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Fix boot for CKS32F407 when -Os is used

This commit is contained in:
Silvano Seva 2024-05-12 12:23:09 +02:00
parent 1c51bf0136
commit 9c6293759a
1 changed files with 2 additions and 0 deletions
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2
platform/mcu/CMSIS/Device/ST/STM32F4xx/Source/system_stm32f4xx.c
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@ -312,6 +312,8 @@ static void SetSysClock(void)
{ {
/* Select regulator voltage output Scale 1 mode, System frequency up to 168 MHz */ /* Select regulator voltage output Scale 1 mode, System frequency up to 168 MHz */
RCC->APB1ENR |= RCC_APB1ENR_PWREN; RCC->APB1ENR |= RCC_APB1ENR_PWREN;
__DSB();
PWR->CR |= PWR_CR_VOS; PWR->CR |= PWR_CR_VOS;
/* HCLK = SYSCLK / 1 */ /* HCLK = SYSCLK / 1 */