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Merge pull request #15034 from world-direct/feature/stm32f1_rtcHSE 

add RTC using HSE to target STM32F1
pull/15029/head
Martin Kojtal 2021-09-01 15:24:38 +01:00 committed by GitHub
parent ae16be8faf e4f0281dd8
commit ff0e682d80
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 9 additions and 1 deletions
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4
targets/TARGET_STM/mbed_overrides.c
View File

@ -292,7 +292,11 @@ void mbed_sdk_init()
#if (MBED_CONF_TARGET_RTC_CLOCK_SOURCE == USE_RTC_CLK_HSE)
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct = {0};
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
#if defined(RCC_RTCCLKSOURCE_HSE_DIVX)
PeriphClkInitStruct.RTCClockSelection = (RCC_RTCCLKSOURCE_HSE_DIVX | RTC_HSE_DIV << 16);
#else
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV128;
#endif
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
error("PeriphClkInitStruct RTC failed with HSE\n");
}

4
targets/TARGET_STM/rtc_api.c
View File

@ -65,7 +65,11 @@ void rtc_init(void)
#if (MBED_CONF_TARGET_RTC_CLOCK_SOURCE == USE_RTC_CLK_HSE)
(void)RCC_OscInitStruct;
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_RTC;
#if defined(RCC_RTCCLKSOURCE_HSE_DIVX)
PeriphClkInitStruct.RTCClockSelection = (RCC_RTCCLKSOURCE_HSE_DIVX | RTC_HSE_DIV << 16);
#else
PeriphClkInitStruct.RTCClockSelection = RCC_RTCCLKSOURCE_HSE_DIV128;
#endif
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct) != HAL_OK) {
error("PeriphClkInitStruct RTC failed with HSE\n");
}

2
targets/TARGET_STM/rtc_api_hal.h
View File

@ -47,7 +47,7 @@ extern "C" {
#error "RTC clock configuration is invalid!"
#endif
#if (MBED_CONF_TARGET_RTC_CLOCK_SOURCE == USE_RTC_CLK_HSE) && !(TARGET_STM32F2 || TARGET_STM32F4 || TARGET_STM32F7)
#if (MBED_CONF_TARGET_RTC_CLOCK_SOURCE == USE_RTC_CLK_HSE) && !(TARGET_STM32F2 || TARGET_STM32F4 || TARGET_STM32F7 || TARGET_STM32F1)
#error "RTC from HSE not supported for this target"
#endif