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標(biāo)題: 單片機(jī)串口通信源碼 [打印本頁]

作者: 流星雨掉到地球 時間: 2016-11-23 15:30
標(biāo)題: 單片機(jī)串口通信源碼
#include<reg52.h>
typedef unsigned char uint8;
sbit wela=P2^7;
uint8 code table[]={
0x3f,0x06,0x5b,0x4f,
0x66,0x6d,0x7d,0x07,
0x7f,0x6f,0x77,0x7c,
0x39,0x5e,0x79,0x71
};
void send_byte(uint8 dat)  //發(fā)送數(shù)據(jù)
{
      SBUF=dat;
      P0=dat;
      while(!TI);
      TI=0;
}
void uart_init()          //初始化
{
      SCON=0x50;
      TMOD=0X20;
      TH1=0xfd;
      TL1=0xfd;
      REN=1;
      TR1=1;
}
void main()             //主函數(shù)
{
      uart_init();
      wela=1;
      P0=0xfb;
      wela=0;
         send_byte(table[9]);
      while(1);
}

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