485发送.c

单片机的485和232串口通讯

#include <reg51.h>
#define uchar unsigned char
main()  
{
   uchar i=0, num[8]={1,2,3,4,5,6,7,8};
   TMOD=0x20;
   SCON=0x50;
   TH1=0xFd;
   TL1=0XFd;
   TR1=1;
   for( ; i<8;i++)
  {SBUF=num[i];
   while(!TI);
    TI=0;
   }
}