stm32/system_stm32: Provide default value for HSI calibration.

If HSI is used the calibration value must be valid. Fixes #4596.

stm32/system_stm32: Provide default value for HSI calibration.
If HSI is used the calibration value must be valid. Fixes #4596.
d396a7e1 · roland van straten · Damien George · 869a8b70 · d396a7e1
Commit d396a7e1 authored Mar 24, 2019 by roland van straten Committed by Damien George Mar 26, 2019
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ports/stm32/system_stm32.c ports/stm32/system_stm32.c +1 -0

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--- a/ports/stm32/system_stm32.c
+++ b/ports/stm32/system_stm32.c
@@ -416,6 +416,7 @@ void SystemClock_Config(void)
    RCC_OscInitStruct.OscillatorType = MICROPY_HW_RCC_OSCILLATOR_TYPE;
    RCC_OscInitStruct.HSEState = MICROPY_HW_RCC_HSE_STATE;
    RCC_OscInitStruct.HSIState = MICROPY_HW_RCC_HSI_STATE;
+    RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
    #if defined(STM32H7)
    RCC_OscInitStruct.CSIState = RCC_CSI_OFF;
    #endif