diff options
| author | ZYH <[email protected]> | 2018-07-06 10:50:24 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2018-07-06 10:50:24 +0800 |
| commit | a0cb70575ab9c85fcf76fc1737f26f4b496a07dc (patch) | |
| tree | 5abd730015d9e6ed033eb931c4014a8084e6a07a | |
| parent | e6a34ead5d6f3bc3aa97f96f38983c557afa0288 (diff) | |
| parent | 8c32f817a33df053083d08ab6c8eb5993273c9b7 (diff) | |
Merge pull request #1608 from uestczyh222/bypass
[BSP][STM32F4xx-HAL]support HSE Bypass
| -rw-r--r-- | bsp/stm32f4xx-HAL/Kconfig | 4 | ||||
| -rw-r--r-- | bsp/stm32f4xx-HAL/drivers/board.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/bsp/stm32f4xx-HAL/Kconfig b/bsp/stm32f4xx-HAL/Kconfig index 94242ca0f0..f953d8f8ce 100644 --- a/bsp/stm32f4xx-HAL/Kconfig +++ b/bsp/stm32f4xx-HAL/Kconfig @@ -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 diff --git a/bsp/stm32f4xx-HAL/drivers/board.c b/bsp/stm32f4xx-HAL/drivers/board.c index b45218d942..3253fdda54 100644 --- a/bsp/stm32f4xx-HAL/drivers/board.c +++ b/bsp/stm32f4xx-HAL/drivers/board.c @@ -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) |