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Merge pull request #5269 from bcostm/fix_rtc_struct_init 

STM32: Initialize RTC structures at init phase.
pull/4955/head
Jimmy Brisson 2017-10-13 09:27:06 -05:00 committed by GitHub
parent b9a48a4f4c 992722df2a
commit 8bf2775e00
1 changed files with 8 additions and 7 deletions
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15
targets/TARGET_STM/rtc_api.c
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@ -57,13 +57,14 @@ static void RTC_IRQHandler(void);
void rtc_init(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
// Enable access to Backup domain
HAL_PWR_EnableBkUpAccess();
RtcHandle.Instance = RTC;
RtcHandle.State = HAL_RTC_STATE_RESET;
#if !RTC_LSI
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
@ -162,7 +163,7 @@ void rtc_free(void)
#endif
// Disable LSI and LSE clocks
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI | RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_OFF;
@ -217,8 +218,8 @@ It is then not a problem to not use shifts.
time_t rtc_read(void)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RTC_DateTypeDef dateStruct = {0};
RTC_TimeTypeDef timeStruct = {0};
struct tm timeinfo;
RtcHandle.Instance = RTC;
@ -247,8 +248,8 @@ time_t rtc_read(void)
void rtc_write(time_t t)
{
RTC_DateTypeDef dateStruct;
RTC_TimeTypeDef timeStruct;
RTC_DateTypeDef dateStruct = {0};
RTC_TimeTypeDef timeStruct = {0};
RtcHandle.Instance = RTC;