81 lines
1.1 KiB
C
81 lines
1.1 KiB
C
#include "sys.h"
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#include "usart.h"
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#include "delay.h"
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#include "led.h"
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#include "key.h"
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#include "iwdg.h"
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//独立看门狗实验
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//STM32H7工程模板-HAL库函数版本
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//DevEBox 大越创新
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//淘宝店铺：mcudev.taobao.com
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//淘宝店铺：shop389957290.taobao.com
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int main(void)
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{
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Cache_Enable(); //打开L1-Cache
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HAL_Init(); //初始化HAL库
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Stm32_Clock_Init(160,5,2,4); //设置时钟,400Mhz
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delay_init(400); //延时初始化
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uart_init(115200); //串口初始化
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LED_Init(); //初始化LED时钟
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KEY_Init();
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IWDG_Init(IWDG_PRESCALER_64,500); //分频数为64,重载值为500,溢出时间为1s
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LED2(0); //先点亮LED2
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while(1)
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{
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if(KEY_Scan(0)==KEY2_PRES) //如果K2按下，喂狗
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{
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IWDG_Feed(); //喂狗
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}
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delay_ms(10);
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}
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}
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/***************************************************************************/
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//STM32H7工程模板-HAL库函数版本
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//DevEBox 大越创新
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//淘宝店铺：mcudev.taobao.com
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//淘宝店铺：shop389957290.taobao.com
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/***************************************************************************/
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