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fix: add a fallback HSI clock config for Nucleo F030R8 #3109

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Merged
fpistm merged 1 commit into from
Nov 3, 2026
Merged

fix: add a fallback HSI clock config for Nucleo F030R8 #3109

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15 changes: 14 additions & 1 deletion variants/STM32F0xx/F030R8T/variant_NUCLEO_F030R8.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -113,6 +113,7 @@ WEAK void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {};
HAL_StatusTypeDef ret = HAL_OK;
/*
* Initializes the RCC Oscillators according to the specified parameters
* in the RCC_OscInitTypeDef structure.
Expand All @@ -123,7 +124,19 @@ WEAK void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if (ret == HAL_TIMEOUT) {
/* Try HSI when no external clock is connected, e.g. MB1136 C-01. */
/* HSI 8 MHz / 2 * 12 = 48 MHz. */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL12;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
}
if (ret != HAL_OK) {
Error_Handler();
}
/* Initializes the CPU, AHB and APB buses clocks */
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