serial-string-receiver-tools.zip_serial串口接收_string receiver_串口通信

#include "reg52.h" #define uchar unsigned char #define uint unsigned int uchar shuju[12]; uchar flag,j,LRCzhi,_flag; uint jiaoyan,LRCin; void init() { TMOD=0x20;//定时器1方式2，自动装初值 SCON=0x50;//串口工作方式1，异步收发 PCON&=0xef; TH1=0xfd; TL1=0xfd; EA=1; TR1=1; ES=1; } void error_send() { uchar i; for(i=1;i<5;i++) { SBUF=shuju[i]; while(!TI); TI=0; } } void send() { uchar i; for(i=0;i<11;i++) { SBUF=shuju[i]; while(!TI); TI=0; } } void main() { init(); while(!flag); ES=0; if(shuju[0]==0x3A) { if((shuju[1]==0x00)&&(shuju[2]==0x10)) { LRCzhi=shuju[5]+shuju[6]; jiaoyan=~(LRCzhi)+1; LRCin=shuju[7]+shuju[8]; if(LRCin&0xfe) { send(); } else { error_send(); } } } flag=0; ES=1; } void ser() interrupt 4 { RI=0; shuju[j]=SBUF; j++; if(j==11) { j=0; flag=1; } }