红外接收.c

红外接收、蜂鸣器、时钟、led、lcd1602的一些源程序

#include"at89x51.h"
unsigned char code leddata[]={  
                0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,}; // "1,2,3,4,5,6,7,8,9"
int m=0;
void int1() interrupt 0 using 2
{
P0=leddata[m];
m++;
if(m==10) m=0;
}


void main()
{
P1=0XF0;
P0=0xff;
IT1=1;
EA=1;
EX0=1;
while(1)
  {
   ;
  }
}