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STM32: Refactor lp_ticker.c + rtc_api.c + sleep.c + rtc_api_hal.h files

pull/3454/head
jeromecoutant 2016-11-23 16:41:32 +01:00 committed by 0xc0170
parent 08509e75df
commit ab28a5e5cb
37 changed files with 116 additions and 3811 deletions
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4
targets/TARGET_STM/TARGET_STM32F0/common_objects.h
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@ -116,4 +116,8 @@ struct i2c_s {
}
#endif
/* STM32F0 HAL doesn't provide this API called in rtc_api.c */
#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__)
#define RTC_WKUP_IRQn RTC_IRQn
#endif

83
targets/TARGET_STM/TARGET_STM32F0/lp_ticker.c
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@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

294
targets/TARGET_STM/TARGET_STM32F0/rtc_api.c
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@ -1,294 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler(void);
#endif
void rtc_init(void) {
RCC_OscInitTypeDef RCC_OscInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
// Connect LSE to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("Cannot initialize RTC with LSE\n");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_DisableIRQ(RTC_IRQn);
NVIC_SetVector(RTC_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_IRQn);
#endif
}
void rtc_free(void) {
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void) {
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void) {
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t) {
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler(void)
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

59
targets/TARGET_STM/TARGET_STM32F0/sleep.c
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@ -1,59 +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 "sleep_api.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void) {
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP reconfigure the PLL
SetSysClock();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

3
targets/TARGET_STM/TARGET_STM32F1/common_objects.h
View File

@ -116,5 +116,8 @@ struct i2c_s {
}
#endif
/* STM32F1 HAL doesn't provide this API called in rtc_api.c */
#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__)
#endif

199
targets/TARGET_STM/TARGET_STM32F1/rtc_api.c
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@ -1,199 +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 "rtc_api.h"
#if DEVICE_RTC
#include "mbed_error.h"
static int rtc_inited = 0;
static RTC_HandleTypeDef RtcHandle;
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
if (rtc_inited) return;
rtc_inited = 1;
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
// Connect LSE to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("Cannot initialize RTC with LSE\n");
}
#else
// Enable Power clock
__HAL_RCC_PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
// This value is LSI typical value. To be measured precisely using a timer input capture for example.
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
rtc_inited = 0;
}
int rtc_isenabled(void)
{
return rtc_inited;
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#endif

55
targets/TARGET_STM/TARGET_STM32F1/sleep.c
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@ -1,55 +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 "sleep_api.h"
#if DEVICE_SLEEP
#include "cmsis.h"
#include "hal_tick.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP reconfigure the PLL
SetSysClock();
}
#endif

222
targets/TARGET_STM/TARGET_STM32F2/rtc_api.c
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@ -1,222 +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 "rtc_api.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
uint32_t rtc_freq = 0;
#if RTC_LSI
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; /* Mandatory, otherwise the PLL is reconfigured! */
RCC_OscInitStruct.LSEState = RCC_LSE_ON; /* External 32.768 kHz clock on OSC_IN/OSC_OUT */
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
// Connect LSE to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
rtc_freq = LSE_VALUE;
} else {
error("RTC error: LSE clock initialization failed.");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("RTC error: LSI clock initialization failed.");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
// [TODO] This value is LSI typical value. To be measured precisely using a timer input capture
rtc_freq = LSI_VALUE;
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = 127;
RtcHandle.Init.SynchPrediv = (rtc_freq / 128) - 1;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#endif

61
targets/TARGET_STM/TARGET_STM32F2/sleep.c
View File

@ -1,61 +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 "sleep_api.h"
#if DEVICE_SLEEP
#include "cmsis.h"
static TIM_HandleTypeDef TimMasterHandle;
void sleep(void)
{
TimMasterHandle.Instance = TIM5;
// Disable HAL tick interrupt
__HAL_TIM_DISABLE_IT(&TimMasterHandle, TIM_IT_CC2);
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Enable HAL tick interrupt
__HAL_TIM_ENABLE_IT(&TimMasterHandle, TIM_IT_CC2);
}
void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP reconfigure the PLL
SetSysClock();
}
#endif

3
targets/TARGET_STM/TARGET_STM32F3/common_objects.h
View File

@ -116,5 +116,8 @@ struct i2c_s {
}
#endif
/* STM32F3 HAL doesn't provide this API called in rtc_api.c */
#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__)
#endif

296
targets/TARGET_STM/TARGET_STM32F3/rtc_api.c
View File

@ -1,296 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler();
#endif
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; /* Mandatory, otherwise the PLL is reconfigured! */
RCC_OscInitStruct.LSEState = RCC_LSE_ON; /* External 32.768 kHz clock on OSC_IN/OSC_OUT */
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
// Connect LSE to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("RTC error: LSE clock initialization failed.");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("RTC error: LSI clock initialization failed.");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) return 1;
else return 0;
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler()
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

79
targets/TARGET_STM/TARGET_STM32F3/rtc_api_hal.h
View File

@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

83
targets/TARGET_STM/TARGET_STM32F4/lp_ticker.c
View File

@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

298
targets/TARGET_STM/TARGET_STM32F4/rtc_api.c
View File

@ -1,298 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler();
#endif
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; /* Mandatory, otherwise the PLL is reconfigured! */
RCC_OscInitStruct.LSEState = RCC_LSE_ON; /* External 32.768 kHz clock on OSC_IN/OSC_OUT */
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) {
// Connect LSE to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("RTC error: LSE clock initialization failed.");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("RTC error: LSI clock initialization failed.");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) return 1;
else return 0;
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler()
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

79
targets/TARGET_STM/TARGET_STM32F4/rtc_api_hal.h
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@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

60
targets/TARGET_STM/TARGET_STM32F4/sleep.c
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@ -1,60 +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 "sleep_api.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP reconfigure the PLL
SetSysClock();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

83
targets/TARGET_STM/TARGET_STM32F7/lp_ticker.c
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@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

305
targets/TARGET_STM/TARGET_STM32F7/rtc_api.c
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@ -1,305 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler(void);
#endif
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
// Connect LSE to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("Cannot initialize RTC with LSE\n");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Enable write access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler(void)
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

79
targets/TARGET_STM/TARGET_STM32F7/rtc_api_hal.h
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@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

59
targets/TARGET_STM/TARGET_STM32F7/sleep.c
View File

@ -1,59 +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 "sleep_api.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP need to reconfigure the system clock
SetSysClock();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

3
targets/TARGET_STM/TARGET_STM32L0/common_objects.h
View File

@ -116,5 +116,8 @@ struct i2c_s {
}
#endif
/* STM32L0 HAL doesn't provide this API called in rtc_api.c */
#define RTC_WKUP_IRQn RTC_IRQn
#endif

83
targets/TARGET_STM/TARGET_STM32L0/lp_ticker.c
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@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

79
targets/TARGET_STM/TARGET_STM32L0/rtc_api_hal.h
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@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

60
targets/TARGET_STM/TARGET_STM32L0/sleep.c
View File

@ -1,60 +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 "sleep_api.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
// After wake-up from STOP reconfigure the PLL
SetSysClock();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

83
targets/TARGET_STM/TARGET_STM32L1/lp_ticker.c
View File

@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

308
targets/TARGET_STM/TARGET_STM32L1/rtc_api.c
View File

@ -1,308 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler(void);
#endif
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
// Connect LSE to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
} else {
error("Cannot initialize RTC with LSE\n");
}
#else
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
// Connect LSI to RTC
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
#endif
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
#ifdef TARGET_MOTE_L152RC
/* SubSecond resolution of 16384Hz */
RtcHandle.Init.AsynchPrediv = 1;
RtcHandle.Init.SynchPrediv = (RTC_CLOCK / 2) - 1;
#else
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
#endif
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler(void)
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

79
targets/TARGET_STM/TARGET_STM32L1/rtc_api_hal.h
View File

@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

100
targets/TARGET_STM/TARGET_STM32L1/sleep.c
View File

@ -1,100 +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 "sleep_api.h"
#include "hal_tick.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
static TIM_HandleTypeDef TimMasterHandle;
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
#if defined(TARGET_MOTE_L152RC)
int8_t STOPEntry = PWR_STOPENTRY_WFI;
#endif
// Stop HAL systick
TimMasterHandle.Instance = TIM_MST;
#if defined(TARGET_MOTE_L152RC)
/* Select the regulator state in Stop mode: Set PDDS and LPSDSR bit according to PWR_Regulator value */
MODIFY_REG(PWR->CR, (PWR_CR_PDDS | PWR_CR_LPSDSR), PWR_LOWPOWERREGULATOR_ON);
/* Set SLEEPDEEP bit of Cortex System Control Register */
SET_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
/* Select Stop mode entry --------------------------------------------------*/
if(STOPEntry == PWR_STOPENTRY_WFI)
{
/* Request Wait For Interrupt */
__WFI();
}
else
{
/* Request Wait For Event */
__SEV();
__WFE();
__WFE();
}
__NOP();
__NOP();
__NOP();
/* Reset SLEEPDEEP bit of Cortex System Control Register */
CLEAR_BIT(SCB->SCR, ((uint32_t)SCB_SCR_SLEEPDEEP_Msk));
#else
// Request to enter STOP mode with regulator in low power mode
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
#endif
// After wake-up from STOP reconfigure the PLL
SetSysClock();
// Restart HAL systick
HAL_ResumeTick();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

3
targets/TARGET_STM/TARGET_STM32L4/common_objects.h
View File

@ -116,5 +116,8 @@ struct i2c_s {
}
#endif
/* STM32L4 HAL doesn't provide this API called in rtc_api.c */
#define __HAL_RCC_RTC_CLKPRESCALER(__RTCCLKSource__)
#endif

83
targets/TARGET_STM/TARGET_STM32L4/lp_ticker.c
View File

@ -1,83 +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 "device.h"
#if DEVICE_LOWPOWERTIMER
#include "ticker_api.h"
#include "lp_ticker_api.h"
#include "rtc_api.h"
#include "rtc_api_hal.h"
static uint8_t lp_ticker_inited = 0;
void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
void lp_ticker_set_interrupt(timestamp_t timestamp)
{
uint32_t delta;
delta = timestamp - lp_ticker_read();
rtc_set_wake_up_timer(delta);
}
void lp_ticker_disable_interrupt(void)
{
rtc_deactivate_wake_up_timer();
}
void lp_ticker_clear_interrupt(void)
{
}
#endif

310
targets/TARGET_STM/TARGET_STM32L4/rtc_api.c
View File

@ -1,310 +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 "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
#define RTC_CLOCK LSI_VALUE
#else
#define RTC_CLOCK LSE_VALUE
#endif
#if DEVICE_LOWPOWERTIMER
#define RTC_ASYNCH_PREDIV ((RTC_CLOCK - 1) / 0x8000)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
static void (*irq_handler)(void);
static void RTC_IRQHandler(void);
#endif
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK) { // Check if LSE has started correctly
// Connect LSE to RTC
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
} else {
error("Cannot initialize RTC with LSE\n");
}
#else
// Enable Power clock
__HAL_RCC_PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
// Connect LSI to RTC
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
}
#endif
// Check if RTC is already initialized
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) return;
// Enable RTC
__HAL_RCC_RTC_ENABLE();
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("Cannot initialize RTC\n");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif
}
void rtc_free(void)
{
#if RTC_LSI
// Enable Power clock
__HAL_RCC_PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Disable access to Backup domain
HAL_PWR_DisableBkUpAccess();
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
RTC Registers
RTC_WeekDay 1=monday, 2=tuesday, ..., 7=sunday
RTC_Month 1=january, 2=february, ..., 12=december
RTC_Date day of the month 1-31
RTC_Year year 0-99
struct tm
tm_sec seconds after the minute 0-61
tm_min minutes after the hour 0-59
tm_hour hours since midnight 0-23
tm_mday day of the month 1-31
tm_mon months since January 0-11
tm_year years since 1900
tm_wday days since Sunday 0-6
tm_yday days since January 1 0-365
tm_isdst Daylight Saving Time flag
*/
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
struct tm timeinfo;
RtcHandle.Instance = RTC;
// Read actual date and time
// Warning: the time must be read first!
HAL_RTC_GetTime(&RtcHandle, &timeStruct, RTC_FORMAT_BIN);
HAL_RTC_GetDate(&RtcHandle, &dateStruct, RTC_FORMAT_BIN);
// Setup a tm structure based on the RTC
timeinfo.tm_wday = dateStruct.WeekDay;
timeinfo.tm_mon = dateStruct.Month - 1;
timeinfo.tm_mday = dateStruct.Date;
timeinfo.tm_year = dateStruct.Year + 68;
timeinfo.tm_hour = timeStruct.Hours;
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
return t;
}
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RtcHandle.Instance = RTC;
// Convert the time into a tm
struct tm *timeinfo = localtime(&t);
// Fill RTC structures
dateStruct.WeekDay = timeinfo->tm_wday;
dateStruct.Month = timeinfo->tm_mon + 1;
dateStruct.Date = timeinfo->tm_mday;
dateStruct.Year = timeinfo->tm_year - 68;
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, RTC_FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, RTC_FORMAT_BIN);
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler(void)
{
HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
}
void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
{
if (irq_handler) {
// Fire the user callback
irq_handler();
}
}
void rtc_set_irq_handler(uint32_t handler)
{
irq_handler = (void (*)(void))handler;
}
uint32_t rtc_read_subseconds(void)
{
return 1000000.f * ((double)(RTC_SYNCH_PREDIV - RTC->SSR) / (RTC_SYNCH_PREDIV + 1));
}
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
}
}
void rtc_deactivate_wake_up_timer(void)
{
HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
}
void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif

79
targets/TARGET_STM/TARGET_STM32L4/rtc_api_hal.h
View File

@ -1,79 +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.
*******************************************************************************
*/
#ifndef MBED_RTC_API_HAL_H
#define MBED_RTC_API_HAL_H
#include <stdint.h>
#include "rtc_api.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* Extend rtc_api.h
*/
/** Set the given function as handler of wakeup timer event.
*
* @param handler The function to set as handler
*/
void rtc_set_irq_handler(uint32_t handler);
/** Read the subsecond register.
*
* @return The remaining time as microseconds (0-999999)
*/
uint32_t rtc_read_subseconds(void);
/** Program a wake up timer event in delta microseconds.
*
* @param delta The time to wait
*/
void rtc_set_wake_up_timer(uint32_t delta);
/** Disable the wake up timer event.
*
* The wake up timer use auto reload, you have to deactivate it manually.
*/
void rtc_deactivate_wake_up_timer(void);
/** Synchronise the RTC shadow registers.
*
* Must be called after a deepsleep.
*/
void rtc_synchronize(void);
#ifdef __cplusplus
}
#endif
#endif

75
targets/TARGET_STM/TARGET_STM32L4/sleep.c
View File

@ -1,75 +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 "sleep_api.h"
#include "rtc_api_hal.h"
#if DEVICE_SLEEP
#include "cmsis.h"
void sleep(void) {
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
HAL_PWR_EnterSLEEPMode(PWR_MAINREGULATOR_ON, PWR_SLEEPENTRY_WFI);
// Restart HAL systick
HAL_ResumeTick();
}
void deepsleep(void)
{
// Stop HAL systick
HAL_SuspendTick();
// Request to enter STOP mode 1 with regulator in low power mode
if (__HAL_RCC_PWR_IS_CLK_ENABLED()) {
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
} else {
__HAL_RCC_PWR_CLK_ENABLE();
HAL_PWREx_EnableLowPowerRunMode();
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
HAL_PWREx_DisableLowPowerRunMode();
__HAL_RCC_PWR_CLK_DISABLE();
}
// After wake-up from STOP reconfigure the PLL
SetSysClock();
// Restart HAL systick
HAL_ResumeTick();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif
}
#endif

12
targets/TARGET_STM/TARGET_STM32F3/lp_ticker.c → targets/TARGET_STM/lp_ticker.c
View File

@ -42,23 +42,23 @@ void lp_ticker_init(void)
{
if (lp_ticker_inited) return;
lp_ticker_inited = 1;
rtc_init();
rtc_set_irq_handler((uint32_t) lp_ticker_irq_handler);
}
uint32_t lp_ticker_read(void)
{
uint32_t usecs;
time_t time;
uint32_t usecs = 0;
time_t time = 0;
lp_ticker_init();
do {
time = rtc_read();
usecs = rtc_read_subseconds();
} while (time != rtc_read());
return (time * 1000000) + usecs;
}
@ -77,7 +77,7 @@ void lp_ticker_disable_interrupt(void)
void lp_ticker_clear_interrupt(void)
{
}
#endif

148
targets/TARGET_STM/TARGET_STM32L0/rtc_api.c → targets/TARGET_STM/rtc_api.c
View File

@ -27,17 +27,12 @@
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*******************************************************************************
*/
#include "rtc_api.h"
#include "rtc_api_hal.h"
#if DEVICE_RTC
#include "rtc_api.h"
#include "rtc_api_hal.h"
#include "mbed_error.h"
#if RTC_LSI
static int rtc_inited = 0;
#endif
static RTC_HandleTypeDef RtcHandle;
#if RTC_LSI
@ -51,7 +46,7 @@ static RTC_HandleTypeDef RtcHandle;
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#else
#define RTC_ASYNCH_PREDIV (0x007F)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#define RTC_SYNCH_PREDIV (RTC_CLOCK / (RTC_ASYNCH_PREDIV + 1) - 1)
#endif
#if DEVICE_LOWPOWERTIMER
@ -64,83 +59,97 @@ void rtc_init(void)
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
#if RTC_LSI
if (rtc_inited) return;
rtc_inited = 1;
#endif
RtcHandle.Instance = RTC;
// Note : Due to a change inside stm32l0xx_hal_rcc.c (v1.2 to v1.5) the bit DBP of the register
// PWR_CR is now reset by the fonction HAL_RCC_OscConfig().
// Enable Power clock
__PWR_CLK_ENABLE();
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
RtcHandle.Instance = RTC;
#if !RTC_LSI
// Enable LSE Oscillator
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_ON; // External 32.768 kHz clock on OSC_IN/OSC_OUT
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSE\n");
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) == HAL_OK)
{
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSE);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSE);
}
// Connect LSE to RTC
else
{
error("Cannot initialize RTC with LSE\n");
}
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSE;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
error("Cannot initialize RTC with LSI\n");
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
error("PeriphClkInitStruct RTC failed with LSE\n");
}
#else
#else /* !RTC_LSI */
__PWR_CLK_ENABLE();
// Reset Backup domain
__HAL_RCC_BACKUPRESET_FORCE();
__HAL_RCC_BACKUPRESET_RELEASE();
// Enable LSI clock
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE; // Mandatory, otherwise the PLL is reconfigured!
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
error("RTC error: LSI clock initialization failed.");
}
// Connect LSI to RTC
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
error("Cannot initialize RTC with LSI\n");
}
#endif
__HAL_RCC_RTC_CLKPRESCALER(RCC_RTCCLKSOURCE_LSI);
__HAL_RCC_RTC_CONFIG(RCC_RTCCLKSOURCE_LSI);
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK)
{
error("PeriphClkInitStruct RTC failed with LSI\n");
}
#endif /* !RTC_LSI */
// Enable RTC
__HAL_RCC_RTC_ENABLE();
#if TARGET_STM32F1
RtcHandle.Init.AsynchPrediv = RTC_AUTO_1_SECOND;
#else /* TARGET_STM32F1 */
RtcHandle.Init.HourFormat = RTC_HOURFORMAT_24;
RtcHandle.Init.AsynchPrediv = RTC_ASYNCH_PREDIV;
RtcHandle.Init.SynchPrediv = RTC_SYNCH_PREDIV;
RtcHandle.Init.OutPut = RTC_OUTPUT_DISABLE;
RtcHandle.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
RtcHandle.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
#endif /* TARGET_STM32F1 */
if (HAL_RTC_Init(&RtcHandle) != HAL_OK) {
error("RTC error: RTC initialization failed.");
}
#if DEVICE_LOWPOWERTIMER
#if RTC_LSI
rtc_write(0);
#else
if (!rtc_isenabled()) {
#if !RTC_LSI
if (!rtc_isenabled())
#endif /* !RTC_LSI */
{
rtc_write(0);
}
#endif
NVIC_ClearPendingIRQ(RTC_IRQn);
NVIC_DisableIRQ(RTC_IRQn);
NVIC_SetVector(RTC_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_IRQn);
#endif
NVIC_ClearPendingIRQ(RTC_WKUP_IRQn);
NVIC_DisableIRQ(RTC_WKUP_IRQn);
NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)RTC_IRQHandler);
NVIC_EnableIRQ(RTC_WKUP_IRQn);
#endif /* DEVICE_LOWPOWERTIMER */
}
void rtc_free(void)
@ -167,23 +176,6 @@ void rtc_free(void)
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
RCC_OscInitStruct.LSEState = RCC_LSE_OFF;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
#if RTC_LSI
rtc_inited = 0;
#endif
}
int rtc_isenabled(void)
{
#if RTC_LSI
return rtc_inited;
#else
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS) {
return 1;
} else {
return 0;
}
#endif
}
/*
@ -225,7 +217,7 @@ time_t rtc_read(void)
timeinfo.tm_min = timeStruct.Minutes;
timeinfo.tm_sec = timeStruct.Seconds;
// Daylight Saving Time information is not available
timeinfo.tm_isdst = -1;
timeinfo.tm_isdst = -1;
// Convert to timestamp
time_t t = mktime(&timeinfo);
@ -251,15 +243,34 @@ void rtc_write(time_t t)
timeStruct.Hours = timeinfo->tm_hour;
timeStruct.Minutes = timeinfo->tm_min;
timeStruct.Seconds = timeinfo->tm_sec;
#if !(TARGET_STM32F1)
timeStruct.TimeFormat = RTC_HOURFORMAT_24;
timeStruct.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
timeStruct.StoreOperation = RTC_STOREOPERATION_RESET;
#endif /* TARGET_STM32F1 */
// Change the RTC current date/time
HAL_RTC_SetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
HAL_RTC_SetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
}
int rtc_isenabled(void)
{
#if DEVICE_LOWPOWERTIMER
if ((RTC->ISR & RTC_ISR_INITS) == RTC_ISR_INITS)
{
return 1;
}
else
{
return 0;
}
#else /* DEVICE_LOWPOWERTIMER */
return 1;
#endif /* DEVICE_LOWPOWERTIMER */
}
#if DEVICE_LOWPOWERTIMER
static void RTC_IRQHandler(void)
@ -288,7 +299,7 @@ uint32_t rtc_read_subseconds(void)
void rtc_set_wake_up_timer(uint32_t delta)
{
uint32_t wake_up_counter = delta / (2000000 / RTC_CLOCK);
if (HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, wake_up_counter,
RTC_WAKEUPCLOCK_RTCCLK_DIV2) != HAL_OK) {
error("Set wake up timer failed\n");
@ -304,6 +315,7 @@ void rtc_synchronize(void)
{
HAL_RTC_WaitForSynchro(&RtcHandle);
}
#endif // DEVICE_LOWPOWERTIMER
#endif /* DEVICE_LOWPOWERTIMER */
#endif
#endif /* DEVICE_RTC */

0
targets/TARGET_STM/TARGET_STM32F0/rtc_api_hal.h → targets/TARGET_STM/rtc_api_hal.h
View File

18
targets/TARGET_STM/TARGET_STM32F3/sleep.c → targets/TARGET_STM/sleep.c
View File

@ -1,6 +1,6 @@
/* mbed Microcontroller Library
*******************************************************************************
* Copyright (c) 2014, STMicroelectronics
* Copyright (c) 2016, STMicroelectronics
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -35,7 +35,8 @@
#include "cmsis.h"
void sleep(void) {
void sleep(void)
{
// Stop HAL systick
HAL_SuspendTick();
// Request to enter SLEEP mode
@ -44,15 +45,24 @@ void sleep(void) {
HAL_ResumeTick();
}
void deepsleep(void)
{
// Stop HAL systick
HAL_SuspendTick();
// Request to enter STOP mode with regulator in low power mode
#if TARGET_STM32L4
HAL_PWREx_EnterSTOP2Mode(PWR_STOPENTRY_WFI);
#else /* TARGET_STM32L4 */
HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
#endif /* TARGET_STM32L4 */
// Restart HAL systick
HAL_ResumeTick();
// After wake-up from STOP reconfigure the PLL
SetSysClock();
#if DEVICE_LOWPOWERTIMER
rtc_synchronize();
#endif