mcheckkey.c

PS/2接口转矩阵键盘,51单片机编程实现

#include <REG52.H>
#include "includekey.h"

sbit swit=P3^7;	//switch to the virtual key board



void main(void)
{
	unsigned char key=0,count=0,recvvalue=0;
	int loop=0;
	P3 = 1;
	swit = 0;
	
	while(1)
	{
		/*
		recvvalue=recvdata();
		if(recvvalue!=NORECVDATA && recvvalue != RECVERROR)
		{
			senddata(0x0fa);
		}
		*/
		//senddata(0x33);
		key=getkey();
		if(key!=NOKEY)
		{
			senddata(key);			
		}
		delay(300);
	}
}