mbed library sources. Supersedes mbed-src.
Fork of mbed by
Diff: targets/hal/TARGET_STM/TARGET_STM32L0/rtc_api.c
- Revision:
- 105:364b35371a11
- Parent:
- 100:7c647ea3c13d
- Child:
- 113:b3775bf36a83
diff -r e48d70d14486 -r 364b35371a11 targets/hal/TARGET_STM/TARGET_STM32L0/rtc_api.c --- a/targets/hal/TARGET_STM/TARGET_STM32L0/rtc_api.c Mon Apr 04 10:00:11 2016 +0100 +++ b/targets/hal/TARGET_STM/TARGET_STM32L0/rtc_api.c Mon Apr 04 11:15:10 2016 +0100 @@ -51,16 +51,6 @@ RtcHandle.Instance = RTC; - // 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(); - #if !DEVICE_RTC_LSI // Enable LSE Oscillator RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE; @@ -75,6 +65,16 @@ 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! @@ -107,6 +107,7 @@ void rtc_free(void) { +#if DEVICE_RTC_LSI // Enable Power clock __PWR_CLK_ENABLE(); @@ -119,6 +120,7 @@ // Disable access to Backup domain HAL_PWR_DisableBkUpAccess(); +#endif // Disable LSI and LSE clocks RCC_OscInitTypeDef RCC_OscInitStruct;