#include<reg52.h>
#include"my1602.h"
#include"key_scan.h"
void main()
{
	lcm_init();
	lcm_delay(5);
	while(1)
	{
		uchar key;
		key=key_scan();
	   	if(key!=0)
			display_char(key%2,key-1,key+64);
		delayms(10);
	   /*lcm_init();*/
	}
}