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Merge pull request #391 from kasjer/kasjer/stm32l476disco-clock-configuration 

stm32l476disco clock configuration
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Ha Thach 2020-05-07 16:19:13 +07:00 committed by GitHub
parent 04c20ff74c 615369a6eb
commit 286ff03ffa
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1 changed files with 6 additions and 1 deletions
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7
hw/bsp/stm32l476disco/stm32l476disco.c
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@ -86,14 +86,19 @@ static void SystemClock_Config(void)
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/* Enable the LSE Oscilator */
/* Enable the LSE Oscillator */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
RCC_OscInitStruct.LSEState = RCC_LSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
HAL_RCC_OscConfig(&RCC_OscInitStruct);
/* Enable the CSS interrupt in case LSE signal is corrupted or not present */
HAL_RCCEx_DisableLSECSS();
/* Set tick interrupt priority, default HAL value is intentionally invalid
and that prevents PLL initialization in HAL_RCC_OscConfig() */
HAL_InitTick((1UL << __NVIC_PRIO_BITS) - 1UL);
/* Enable MSI Oscillator and activate PLL with MSI as source */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
RCC_OscInitStruct.MSIState = RCC_MSI_ON;