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[BSP][STM32F4xx-HAL]support HSE Bypass

This commit is contained in:
zyh 2018-07-05 17:11:53 +08:00
parent 151330b721
commit 8c32f817a3
2 changed files with 8 additions and 0 deletions
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4
bsp/stm32f4xx-HAL/Kconfig
View File

@ -286,6 +286,10 @@ endchoice
config RT_USING_HSI
bool "Using HSI as clock source"
default n
config BSP_HSE_BY_PASS
bool "HES Bypass"
depends on !RT_USING_HSI
default n
config RT_HSE_VALUE
int "HSE Value"
default 8000000

4
bsp/stm32f4xx-HAL/drivers/board.c
View File

@ -50,7 +50,11 @@ static void SystemClock_Config(void)
RCC_OscInitStruct.OscillatorType |= RCC_OSCILLATORTYPE_LSI;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
#endif
#ifdef BSP_HSE_BY_PASS
RCC_OscInitStruct.HSEState = RCC_HSE_BYPASS;
#elif !defined(RT_USING_HSI)
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
#endif
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
if (hse_clk % 2 == 0)