#include
#define?uchar?unsigned?char
#define?uint?unsigned?int

uchar?code?display_code[]=
{
0x3f0x060x5b0x4f
0x660x6d0x7d0x07
0x7f0x6f0x770x7c
0x390x5e0x790x710x00
};

void?delay_1ms（uchar?ms）
{
	uchar?i;
	while（ms--）
		for（i=0;i<115;i++）;
}
void?main（）
{
	uchar?tempnum=0;
	P0=0x00;
	while（1）
		{
		P1=0xfe;
		temp=P1;
		temp=temp&0xf0;
		delay_1ms（2）;
		if（temp!=0xf0）
		{	
			temp=P1;
			temp=temp&0xf0;
			delay_1ms（2）;
			if（temp!=0xf0）
			{
				temp=P1;			//大哥，一定要讀端口的值呀，在這里弄了一個晚上
				delay_1ms（2）;
				switch（temp）
				{
					case?0xee:?
						num=0;
						break;
					case?0xde:?
						num=1;
						break;
					case?0xbe:?
						num=2;
						break;
					case?0x7e:?
						num=3;
						break;
				}
				while（P1==0

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2014-04-22?15:19??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\
?????目錄???????????0??2014-04-22?15:19??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\
?????文件????????2413??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha
?????文件????????3495??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.LST
?????文件????????4540??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.M51
?????文件????????2609??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.OBJ
?????文件????????1028??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.c
?????文件?????????526??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.hex
?????文件??????????48??2014-04-22?11:09??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.lnp
?????文件????????1242??2014-04-22?11:10??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.plg
?????文件???????71385??2014-04-22?11:10??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.uvgui.GXP
?????文件???????71384??2014-04-22?09:46??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.uvgui_GXP.bak
?????文件????????5382??2014-04-22?11:10??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.uvopt
?????文件???????13423??2014-04-17?11:48??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Keil_Temporary\guo_haha.uvproj
?????文件??????105866??2014-04-22?10:57??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\Last?Loaded?數碼管顯示4X4矩陣鍵盤按鍵號.DBK
?????文件??????105863??2014-04-22?11:13??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\數碼管顯示4X4矩陣鍵盤按鍵號.DSN
?????文件?????????742??2014-04-22?11:13??數碼管顯示4X4矩陣鍵盤按鍵號_mydesign\數碼管顯示4X4矩陣鍵盤按鍵號.PWI