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STM32WB : LSI clock selection when LSE is not available

pull/11525/head
jeromecoutant 2019-09-19 13:06:11 +02:00
parent 5cfee65881
commit 8c1f94f7cb
4 changed files with 13 additions and 2 deletions
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3
targets/TARGET_STM/TARGET_STM32WB/device/stm32_hal_legacy.h
View File

@ -2929,9 +2929,8 @@
#define RCC_MCOSOURCE_PLLCLK_NODIV RCC_MCO1SOURCE_PLLCLK
#define RCC_MCOSOURCE_PLLCLK_DIV2 RCC_MCO1SOURCE_PLLCLK_DIV2
#if defined(STM32L4)
#if defined(STM32L4) || defined(STM32WB)
#define RCC_RTCCLKSOURCE_NO_CLK RCC_RTCCLKSOURCE_NONE
#elif defined(STM32WB) || defined(STM32G0)
#else
#define RCC_RTCCLKSOURCE_NONE RCC_RTCCLKSOURCE_NO_CLK
#endif

4
targets/TARGET_STM/lp_ticker.c
View File

@ -113,7 +113,11 @@ void lp_ticker_init(void)
#else /* MBED_CONF_TARGET_LSE_AVAILABLE */
/* Enable LSI clock */
#if TARGET_STM32WB
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
#else
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
#endif
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;

4
targets/TARGET_STM/mbed_overrides.c
View File

@ -61,7 +61,11 @@ void mbed_sdk_init()
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
if (__HAL_RCC_GET_RTC_SOURCE() != RCC_RTCCLKSOURCE_NO_CLK) {
#if TARGET_STM32WB
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
#else
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
#endif
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {

4
targets/TARGET_STM/rtc_api.c
View File

@ -74,7 +74,11 @@ void rtc_init(void)
error("PeriphClkInitStruct RTC failed with LSE\n");
}
#else /* MBED_CONF_TARGET_LSE_AVAILABLE */
#if TARGET_STM32WB
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI1;
#else
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI;
#endif
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {