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Use RCC_CFGR_SW helper function to set software clock

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Alexander Heldt
2024-12-30 11:48:38 +01:00
parent f44ddf645b
commit c3f6a4e503
1 changed files with 1 additions and 2 deletions
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3
src/main.c
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@@ -65,8 +65,7 @@ static void system_clock_init(void) {
RCC->CFGR |= (FLASH_ACR_LATENCY_3_WAIT_STATES << FLASH_ACR_LATENCY_BIT); RCC->CFGR |= (FLASH_ACR_LATENCY_3_WAIT_STATES << FLASH_ACR_LATENCY_BIT);
// Use PLL as system clock // Use PLL as system clock
RCC->CFGR &= ~(RCC_CFGR_SW_MASK << RCC_CFGR_SW_BIT); RCC->CFGR |= RCC_CFGR_SW(RCC_CFGR_SW_PLL);
RCC->CFGR |= (RCC_CFGR_SW_PLL << RCC_CFGR_SW_BIT);
// Wait indefinitely for PLL clock to be selected // Wait indefinitely for PLL clock to be selected
// TODO indicate error/timeout somehow? // TODO indicate error/timeout somehow?