Merge pull request #3213 from bcostm/factorize_ticker

STM32: Refactor us_ticker.c + hal_tick.c files
pull/3322/head
Martin Kojtal 2016-11-29 18:10:45 +01:00 committed by GitHub
commit bb2d03f34b
109 changed files with 493 additions and 7941 deletions

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@ -0,0 +1,65 @@
/**
******************************************************************************
* @file hal_tick.h
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#ifndef __HAL_TICK_H
#define __HAL_TICK_H
#ifdef __cplusplus
extern "C" {
#endif
#include "stm32f0xx.h"
#include "cmsis_nvic.h"
#define TIM_MST TIM1
#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn
#define TIM_MST_OC_IRQ TIM1_CC_IRQn
#define TIM_MST_RCC __TIM1_CLK_ENABLE()
#define TIM_MST_RESET_ON __TIM1_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM1_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus
}
#endif
#endif // __HAL_TICK_H
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -1,178 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint32_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
// Used to increment the slave counter
void timer_update_irq_handler(void)
{
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
}
// Used for mbed timeout (channel 1) and HAL tick (channel 2)
void timer_oc_irq_handler(void)
{
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)timer_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
NVIC_SetPriority(TIM_MST_UP_IRQ, 0);
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)timer_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
NVIC_SetPriority(TIM_MST_OC_IRQ, 1);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -50,8 +50,11 @@
#define TIM_MST_RESET_ON __TIM1_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM1_RELEASE_RESET()
#define HAL_TICK_DELAY (1000) // 1 ms
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus
}

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@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@ extern "C" {
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@ extern "C" {
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,190 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint32_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
// Used to increment the slave counter
void timer_update_irq_handler(void)
{
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
}
// Used for mbed timeout (channel 1) and HAL tick (channel 2)
void timer_oc_irq_handler(void)
{
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)timer_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
NVIC_SetPriority(TIM_MST_UP_IRQ, 0);
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)timer_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
NVIC_SetPriority(TIM_MST_OC_IRQ, 1);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -50,6 +50,10 @@
#define TIM_MST_RESET_ON __TIM1_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM1_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,291 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2014, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#if defined(TARGET_STM32F030R8) || defined(TARGET_STM32F070RB)
// Timer selection
#define TIM_MST TIM1
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
volatile uint32_t SlaveCounter = 0;
volatile uint32_t oc_int_part = 0;
volatile uint16_t oc_rem_part = 0;
void set_compare(uint16_t count) {
TimMasterHandle.Instance = TIM_MST;
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_init(void) {
if (us_ticker_inited) return;
us_ticker_inited = 1;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read() {
uint32_t counter, counter2;
if (!us_ticker_inited) us_ticker_init();
// A situation might appear when Master overflows right after Slave is read and before the
// new (overflowed) value of Master is read. Which would make the code below consider the
// previous (incorrect) value of Slave and the new value of Master, which would return a
// value in the past. Avoid this by computing consecutive values of the timer until they
// are properly ordered.
counter = (uint32_t)(SlaveCounter << 16);
counter += TIM_MST->CNT;
while (1) {
counter2 = (uint32_t)(SlaveCounter << 16);
counter2 += TIM_MST->CNT;
if (counter2 > counter) {
break;
}
counter = counter2;
}
return counter2;
}
void us_ticker_set_interrupt(timestamp_t timestamp) {
int delta = (int)((uint32_t)timestamp - us_ticker_read());
uint16_t cval = TIM_MST->CNT;
if (delta <= 0) { // This event was in the past
us_ticker_irq_handler();
} else {
oc_int_part = (uint32_t)(delta >> 16);
oc_rem_part = (uint16_t)(delta & 0xFFFF);
if (oc_rem_part <= (0xFFFF - cval)) {
set_compare(cval + oc_rem_part);
oc_rem_part = 0;
} else {
set_compare(0xFFFF);
oc_rem_part = oc_rem_part - (0xFFFF - cval);
}
}
}
void us_ticker_disable_interrupt(void) {
TimMasterHandle.Instance = TIM_MST;
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void) {
TimMasterHandle.Instance = TIM_MST;
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
}
}
#elif defined (TARGET_STM32F051R8)
// Timer selection:
#define TIM_MST TIM1
#define TIM_MST_UP_IRQ TIM1_BRK_UP_TRG_COM_IRQn
#define TIM_MST_OC_IRQ TIM1_CC_IRQn
#define TIM_MST_RCC __TIM1_CLK_ENABLE()
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
static volatile uint32_t SlaveCounter = 0;
static volatile uint32_t oc_int_part = 0;
static volatile uint16_t oc_rem_part = 0;
void set_compare(uint16_t count) {
TimMasterHandle.Instance = TIM_MST;
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
// Used to increment the slave counter
static void tim_update_irq_handler(void) {
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE);
SlaveCounter++;
}
}
// Used by interrupt system
static void tim_oc_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear CC1 interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
}
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
void us_ticker_init(void) {
if (us_ticker_inited) return;
us_ticker_inited = 1;
// Enable timer clock
TIM_MST_RCC;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE);
// Update interrupt used for 32-bit counter
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)tim_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
// Output compare interrupt used for timeout feature
NVIC_SetVector(TIM_MST_OC_IRQ, (uint32_t)tim_oc_irq_handler);
NVIC_EnableIRQ(TIM_MST_OC_IRQ);
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
}
uint32_t us_ticker_read() {
uint32_t counter, counter2;
if (!us_ticker_inited) us_ticker_init();
// A situation might appear when Master overflows right after Slave is read and before the
// new (overflowed) value of Master is read. Which would make the code below consider the
// previous (incorrect) value of Slave and the new value of Master, which would return a
// value in the past. Avoid this by computing consecutive values of the timer until they
// are properly ordered.
counter = (uint32_t)(SlaveCounter << 16);
counter += TIM_MST->CNT;
while (1) {
counter2 = (uint32_t)(SlaveCounter << 16);
counter2 += TIM_MST->CNT;
if (counter2 > counter) {
break;
}
counter = counter2;
}
return counter2;
}
void us_ticker_set_interrupt(timestamp_t timestamp) {
int delta = (int)((uint32_t)timestamp - us_ticker_read());
uint16_t cval = TIM_MST->CNT;
if (delta <= 0) { // This event was in the past
us_ticker_irq_handler();
} else {
oc_int_part = (uint32_t)(delta >> 16);
oc_rem_part = (uint16_t)(delta & 0xFFFF);
if (oc_rem_part <= (0xFFFF - cval)) {
set_compare(cval + oc_rem_part);
oc_rem_part = 0;
} else {
set_compare(0xFFFF);
oc_rem_part = oc_rem_part - (0xFFFF - cval);
}
}
}
void us_ticker_disable_interrupt(void) {
TimMasterHandle.Instance = TIM_MST;
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void) {
TimMasterHandle.Instance = TIM_MST;
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
}
}
#else
// 32-bit timer selection
#define TIM_MST TIM2
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void) {
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read() {
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp) {
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void) {
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}
#endif

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@ -1,164 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint32_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void) {
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void) {
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM4_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM4_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint32_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM4_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM4_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint32_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM4_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM4_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,113 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2014, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
// Timer selection
#define TIM_MST TIM4
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
volatile uint32_t SlaveCounter = 0;
volatile uint32_t oc_int_part = 0;
volatile uint16_t oc_rem_part = 0;
void set_compare(uint16_t count)
{
TimMasterHandle.Instance = TIM_MST;
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, count);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
uint32_t counter, counter2;
if (!us_ticker_inited) us_ticker_init();
// A situation might appear when Master overflows right after Slave is read and before the
// new (overflowed) value of Master is read. Which would make the code below consider the
// previous (incorrect) value of Slave and the new value of Master, which would return a
// value in the past. Avoid this by computing consecutive values of the timer until they
// are properly ordered.
counter = (uint32_t)(SlaveCounter << 16);
counter += TIM_MST->CNT;
while (1) {
counter2 = (uint32_t)(SlaveCounter << 16);
counter2 += TIM_MST->CNT;
if (counter2 > counter) {
break;
}
counter = counter2;
}
return counter2;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
int delta = (int)((uint32_t)timestamp - us_ticker_read());
uint16_t cval = TIM_MST->CNT;
if (delta <= 0) { // This event was in the past
us_ticker_irq_handler();
} else {
oc_int_part = (uint32_t)(delta >> 16);
oc_rem_part = (uint16_t)(delta & 0xFFFF);
if (oc_rem_part <= (0xFFFF - cval)) {
set_compare(cval + oc_rem_part);
oc_rem_part = 0;
} else {
set_compare(0xFFFF);
oc_rem_part = oc_rem_part - (0xFFFF - cval);
}
}
}
void us_ticker_disable_interrupt(void)
{
TimMasterHandle.Instance = TIM_MST;
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
TimMasterHandle.Instance = TIM_MST;
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
__HAL_TIM_CLEAR_FLAG(&TimMasterHandle, TIM_FLAG_CC1);
}
}

View File

@ -49,6 +49,10 @@ extern "C" {
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,68 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2016, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#include "hal_tick.h"
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}

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@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,120 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_ITSTATUS(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_ITSTATUS(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,70 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2014, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
// 32-bit timer selection
#define TIM_MST TIM2
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}

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@ -1,158 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PB6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,155 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
void HAL_SuspendTick(void);

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@ -1,143 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
if ( SystemCoreClock == 16000000 ) {
TimMasterHandle.Init.Prescaler = (uint32_t)( SystemCoreClock / 1000000) - 1; // 1 us tick
} else {
TimMasterHandle.Init.Prescaler = (uint32_t)( SystemCoreClock / 2 / 1000000) - 1; // 1 us tick
}
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM2_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM2_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,155 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,139 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,142 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,158 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PB6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,143 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PB6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,143 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
if ( SystemCoreClock == 16000000 ) {
TimMasterHandle.Init.Prescaler = (uint32_t)( SystemCoreClock / 1000000) - 1; // 1 us tick
} else {
TimMasterHandle.Init.Prescaler = (uint32_t)( SystemCoreClock / 2 / 1000000) - 1; // 1 us tick
}
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,155 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
void HAL_SuspendTick(void);

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@ -1,73 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2015, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#ifdef TARGET_STM32F469
#define TIM_MST TIM2
#else
#define TIM_MST TIM5
#endif
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}

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@ -1,159 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PG6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void HAL_IncTick(void);
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOG, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOG_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
#endif
return HAL_OK;
}
__INLINE void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
__INLINE void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority);

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@ -1,144 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PG6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void HAL_IncTick(void);
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOG, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOG_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
#endif
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority);

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@ -1,159 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PG6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void HAL_IncTick(void);
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOG, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOG_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
#endif
return HAL_OK;
}
__INLINE void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
__INLINE void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority);

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@ -1,144 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2016 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
// 0=NO, 1=PG6 toggles at each tick
#define DEBUG_TICK 0
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void HAL_IncTick(void);
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if DEBUG_TICK > 0
HAL_GPIO_TogglePin(GPIOG, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
RCC_ClkInitTypeDef RCC_ClkInitStruct;
uint32_t PclkFreq;
// Get clock configuration
// Note: PclkFreq contains here the Latency (not used after)
HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &PclkFreq);
// Get TIM5 clock value
PclkFreq = HAL_RCC_GetPCLK1Freq();
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
// TIMxCLK = PCLKx when the APB prescaler = 1 else TIMxCLK = 2 * PCLKx
if (RCC_ClkInitStruct.APB1CLKDivider == RCC_HCLK_DIV1)
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq) / 1000000) - 1; // 1 us tick
else
TimMasterHandle.Init.Prescaler = (uint16_t)((PclkFreq * 2) / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimMasterHandle.Init.RepetitionCounter = 0;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if DEBUG_TICK > 0
__GPIOG_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
HAL_GPIO_Init(GPIOG, &GPIO_InitStruct);
#endif
return HAL_OK;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority);

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@ -1,70 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2015, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#include "hal_tick.h"
#define TIM_MST TIM5
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}

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@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint16_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM21_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM21_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint16_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM21_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint16_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM21_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,166 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void set_compare(uint16_t count);
extern volatile uint16_t SlaveCounter;
extern volatile uint32_t oc_int_part;
extern volatile uint16_t oc_rem_part;
void timer_irq_handler(void) {
uint16_t cval = TIM_MST->CNT;
TimMasterHandle.Instance = TIM_MST;
// Clear Update interrupt flag
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_UPDATE) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_UPDATE) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_UPDATE);
SlaveCounter++;
}
}
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
if (oc_rem_part > 0) {
set_compare(oc_rem_part); // Finish the remaining time left
oc_rem_part = 0;
} else {
if (oc_int_part > 0) {
set_compare(0xFFFF);
oc_rem_part = cval; // To finish the counter loop the next time
oc_int_part--;
} else {
us_ticker_irq_handler();
}
}
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_Base_Init(&TimMasterHandle);
// Configure output compare channel 1 for mbed timeout (enabled later when used)
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Configure output compare channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
// Configure interrupts
// Update interrupt used for 32-bit counter
// Output compare channel 1 interrupt for mbed timeout
// Output compare channel 2 interrupt for HAL tick
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_UPDATE); // For 32-bit counter
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, (TIM_IT_CC2 | TIM_IT_UPDATE));
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM21_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM21_RELEASE_RESET()
#define TIM_MST_16BIT 1 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 2 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,141 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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@ -1,141 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,141 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,141 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

View File

@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

View File

@ -1,69 +0,0 @@
/* mbed Microcontroller Library
* Copyright (c) 2014, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <stddef.h>
#include "us_ticker_api.h"
#include "PeripheralNames.h"
#define TIM_MST TIM5
static TIM_HandleTypeDef TimMasterHandle;
static int us_ticker_inited = 0;
void us_ticker_init(void)
{
if (us_ticker_inited) return;
us_ticker_inited = 1;
TimMasterHandle.Instance = TIM_MST;
HAL_InitTick(0); // The passed value is not used
}
uint32_t us_ticker_read()
{
if (!us_ticker_inited) us_ticker_init();
return TIM_MST->CNT;
}
void us_ticker_set_interrupt(timestamp_t timestamp)
{
// Set new output compare value
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_1, (uint32_t)timestamp);
// Enable IT
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_disable_interrupt(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC1);
}
void us_ticker_clear_interrupt(void)
{
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
}

View File

@ -1,141 +0,0 @@
/**
******************************************************************************
* @file hal_tick.c
* @author MCD Application Team
* @brief Initialization of HAL tick
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2015 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
#include "hal_tick.h"
TIM_HandleTypeDef TimMasterHandle;
uint32_t PreviousVal = 0;
void us_ticker_irq_handler(void);
void timer_irq_handler(void) {
// Channel 1 for mbed timeout
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC1) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC1) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC1);
us_ticker_irq_handler();
}
}
// Channel 2 for HAL tick
if (__HAL_TIM_GET_FLAG(&TimMasterHandle, TIM_FLAG_CC2) == SET) {
if (__HAL_TIM_GET_IT_SOURCE(&TimMasterHandle, TIM_IT_CC2) == SET) {
__HAL_TIM_CLEAR_IT(&TimMasterHandle, TIM_IT_CC2);
uint32_t val = __HAL_TIM_GetCounter(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Increment HAL variable
HAL_IncTick();
// Prepare next interrupt
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, val + HAL_TICK_DELAY);
PreviousVal = val;
#if 0 // For DEBUG only
HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_6);
#endif
}
}
}
}
// Reconfigure the HAL tick using a standard timer instead of systick.
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) {
// Enable timer clock
TIM_MST_RCC;
// Reset timer
TIM_MST_RESET_ON;
TIM_MST_RESET_OFF;
// Update the SystemCoreClock variable
SystemCoreClockUpdate();
// Configure time base
TimMasterHandle.Instance = TIM_MST;
TimMasterHandle.Init.Period = 0xFFFFFFFF;
TimMasterHandle.Init.Prescaler = (uint32_t)(SystemCoreClock / 1000000) - 1; // 1 us tick
TimMasterHandle.Init.ClockDivision = 0;
TimMasterHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
HAL_TIM_OC_Init(&TimMasterHandle);
NVIC_SetVector(TIM_MST_IRQ, (uint32_t)timer_irq_handler);
NVIC_EnableIRQ(TIM_MST_IRQ);
// Channel 1 for mbed timeout
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_1);
// Channel 2 for HAL tick
HAL_TIM_OC_Start(&TimMasterHandle, TIM_CHANNEL_2);
PreviousVal = __HAL_TIM_GetCounter(&TimMasterHandle);
__HAL_TIM_SetCompare(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
#if 0 // For DEBUG only
__GPIOB_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
#endif
return HAL_OK;
}
void HAL_SuspendTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Disable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void HAL_ResumeTick(void)
{
TimMasterHandle.Instance = TIM_MST;
// Enable HAL tick and us_ticker update interrupts (used for 32 bit counter)
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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@ -49,6 +49,10 @@
#define TIM_MST_RESET_ON __TIM5_FORCE_RESET()
#define TIM_MST_RESET_OFF __TIM5_RELEASE_RESET()
#define TIM_MST_16BIT 0 // 1=16-bit timer, 0=32-bit timer
#define TIM_MST_PCLK 1 // Select the peripheral clock number (1 or 2)
#define HAL_TICK_DELAY (1000) // 1 ms
#ifdef __cplusplus

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