#include<reg52.h>
#include"type.h"
#include"H_bridge.h"
#include"Key_scan.h"
uint key_code[]={0x11,0x21,0x41,0x81,0x12,0x22,0x42,0x82,
                 0x14,0x24,0x44,0x84,0x18,0x28,0x48,0x88};
 switch ()
 {
 	case:
		break;
	case:
		break;
	default:
		break;
}