main.c

矩阵键盘串口发送与接受

#include <reg51.h>
#include"ext.h"
 uchar shuma[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71};
void main()
{  
 
  uint n;
  init();
  while(1)
  {
  n=scan();
  P2=shuma[n];
  send_char(shuma[n]);
  }
}