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Remove code related to timer channel 2

pull/7106/head
bcostm 2018-06-05 11:21:02 +02:00
parent 91e826d459
commit 74c29cb0e5
3 changed files with 13 additions and 104 deletions
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56
targets/TARGET_STM/hal_tick_16b.c
View File

@ -18,8 +18,6 @@
// A 16-bit timer is used
#if TIM_MST_16BIT
#define DEBUG_TICK 0 // Set to 1 to toggle a pin (see below which pin) at each tick
extern TIM_HandleTypeDef TimMasterHandle;
volatile uint32_t PreviousVal = 0;
@ -49,23 +47,6 @@ void timer_oc_irq_handler(void)
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_GET_COUNTER(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Prepare next interrupt
__HAL_TIM_SET_COMPARE(&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.
@ -95,22 +76,10 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
#endif
HAL_TIM_Base_Init(&TimMasterHandle);
//LL_TIM_EnableUpdateEvent(TimMasterHandle.Instance);
// 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_GET_COUNTER(&TimMasterHandle);
__HAL_TIM_SET_COMPARE(&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
#if defined(TARGET_STM32F0)
NVIC_SetVector(TIM_MST_UP_IRQ, (uint32_t)timer_update_irq_handler);
NVIC_EnableIRQ(TIM_MST_UP_IRQ);
@ -123,9 +92,6 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
NVIC_EnableIRQ(TIM_MST_IRQ);
#endif
// Enable interrupts
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2); // For HAL tick
// Enable timer
HAL_TIM_Base_Start(&TimMasterHandle);
@ -135,29 +101,7 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
TIM_MST_DBGMCU_FREEZE;
#endif
#if DEBUG_TICK > 0
__HAL_RCC_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;
}
/* NOTE: must be called with interrupts disabled! */
void HAL_SuspendTick(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/* NOTE: must be called with interrupts disabled! */
void HAL_ResumeTick(void)
{
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
#endif // TIM_MST_16BIT

46
targets/TARGET_STM/hal_tick_32b.c
View File

@ -18,8 +18,6 @@
// A 32-bit timer is used
#if !TIM_MST_16BIT
#define DEBUG_TICK 0 // Set to 1 to toggle a pin (see below which pin) at each tick
extern TIM_HandleTypeDef TimMasterHandle;
volatile uint32_t PreviousVal = 0;
@ -35,22 +33,6 @@ void timer_irq_handler(void)
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_GET_COUNTER(&TimMasterHandle);
if ((val - PreviousVal) >= HAL_TICK_DELAY) {
// Prepare next interrupt
__HAL_TIM_SET_COMPARE(&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.
@ -108,41 +90,13 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
// 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_GET_COUNTER(&TimMasterHandle);
__HAL_TIM_SET_COMPARE(&TimMasterHandle, TIM_CHANNEL_2, PreviousVal + HAL_TICK_DELAY);
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
// Freeze timer on stop/breakpoint
// Define the FREEZE_TIMER_ON_DEBUG macro in mbed_app.json for example
#if !defined(NDEBUG) && defined(FREEZE_TIMER_ON_DEBUG) && defined(TIM_MST_DBGMCU_FREEZE)
TIM_MST_DBGMCU_FREEZE;
#endif
#if DEBUG_TICK > 0
__HAL_RCC_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;
}
/* NOTE: must be called with interrupts disabled! */
void HAL_SuspendTick(void)
{
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
/* NOTE: must be called with interrupts disabled! */
void HAL_ResumeTick(void)
{
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
#endif // !TIM_MST_16BIT

15
targets/TARGET_STM/stm_common.c
View File

@ -1,7 +1,18 @@
#include "hal/us_ticker_api.h"
// Overwrite default HAL function
// Overwrite default HAL functions defined as "weak"
uint32_t HAL_GetTick()
{
return ticker_read_us(get_us_ticker_data()) / 1000;
return ticker_read_us(get_us_ticker_data()) / 1000; // 1 ms tick is required for ST HAL
}
void HAL_SuspendTick(void)
{
// Do nothing
}
void HAL_ResumeTick(void)
{
// Do nothing
}