113 lines
1.5 KiB
C
113 lines
1.5 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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//串口通信实验
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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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u8 t;
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u8 len;
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u16 times=0;
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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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while(1)
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{
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if(USART_RX_STA&0x8000)
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{
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len=USART_RX_STA&0x3fff; //得到此次接收到的数据长度
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printf("\r\n你发送的消息:\r\n");
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for(t=0;t<len;t++)
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{
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USART1->TDR=USART_RX_BUF[t];
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while((USART1->ISR&0X40)==0); //等待发送结束
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}
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printf("\r\n\r\n"); //插入换行
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USART_RX_STA=0;
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}
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else
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{
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times++;
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if(times%1000==0)
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{
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times=0; //计数清零
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printf("\r\n STM32H750开发板 串口实验 \r\n");
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printf("\r\n mcudev.taobao.com \r\n");
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printf("\r\n DevEBox 大越创新 \r\n");
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}
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if(times%200==0)printf("请输入数据,以回车键结束\r\n");
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if(times%30==0)LED2_Toggle; //闪烁LED,提示系统正在运行.
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delay_ms(10);
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}
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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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