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[BSP] Adjust RCC for stm32l412-st-nucleo BSP

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This commit is contained in:
luhuadong 2020-04-24 21:58:06 +08:00
parent ae724e447f
commit db327dc2e6
3 changed files with 8 additions and 9 deletions
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2
bsp/stm32/stm32l412-st-nucleo/README.md
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@ -86,7 +86,7 @@ USB 虚拟 COM 端口默认连接串口 2，在终端工具里打开相应的串
```bash
\ | /
- RT - Thread Operating System
/ | \ 4.0.0 build Jan 9 2020
/ | \ 4.0.3 build Apr 24 2020
2006 - 2020 Copyright by rt-thread team
msh >
```

12
bsp/stm32/stm32l412-st-nucleo/applications/main.c
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@ -12,20 +12,20 @@
#include <rtdevice.h>
#include <board.h>
/* defined the LED0 pin: PB3 */
#define LED0_PIN GET_PIN(B, 3)
/* defined the LD4 pin: PB13 */
#define LD4_PIN GET_PIN(B, 13)
int main(void)
{
int count = 1;
/* set LED0 pin mode to output */
rt_pin_mode(LED0_PIN, PIN_MODE_OUTPUT);
/* set LD4 pin mode to output */
rt_pin_mode(LD4_PIN, PIN_MODE_OUTPUT);
while (count++)
{
rt_pin_write(LED0_PIN, PIN_HIGH);
rt_pin_write(LD4_PIN, PIN_HIGH);
rt_thread_mdelay(500);
rt_pin_write(LED0_PIN, PIN_LOW);
rt_pin_write(LD4_PIN, PIN_LOW);
rt_thread_mdelay(500);
}

3
bsp/stm32/stm32l412-st-nucleo/board/board.c
View File

@ -33,8 +33,7 @@ void SystemClock_Config(void)
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
RCC_OscInitStruct.PLL.PLLM = 1;
RCC_OscInitStruct.PLL.PLLN = 16;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV7;
RCC_OscInitStruct.PLL.PLLN = 40;
RCC_OscInitStruct.PLL.PLLQ = RCC_PLLQ_DIV2;
RCC_OscInitStruct.PLL.PLLR = RCC_PLLR_DIV2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)