#include?
#define?uchar?unsigned?char
#define?uint??unsigned?int
sbit?we?=?P2^7;
sbit?du?=?P2^6;
uchar?code?leddata[]={?
?
????????????????0x3F??//“0“
????????????????0x06??//“1“
????????????????0x5B??//“2“
????????????????0x4F??//“3“
????????????????0x66??//“4“
????????????????0x6D??//“5“
????????????????0x7D??//“6“
????????????????0x07??//“7“
????????????????0x7F??//“8“
????????????????0x6F??//“9“
????????????????0x77??//“A“
????????????????0x7C??//“B“
????????????????0x39??//“C“
????????????????0x5E??//“D“
????????????????0x79??//“E“
????????????????0x71??//“F“
????????????????0x76??//“H“
????????????????0x38??//“L“
????????????????0x37??//“n“
????????????????0x3E??//“u“
????????????????0x73??//“P“
????????????????0x5C??//“o“
????????????????0x40??//“-“
????????????????0x00??//熄滅
????????????????0x00??//自定義
?
?????????????????????????};
void?delay（uint?z）
{
	uint?xy;
	for（x?=?z;?x?>?0;?x--）
		for（y?=?114;?y?>?0?;?y--）;
}


uchar?KeyScan（）	//帶返回值的子函數
{
	uchar?cord_lcord_h;//聲明列線和行線的值的儲存變量
	P3?=?0x0f;//0000?1111
	if（?（P3?&?0x0f）?!=?0x0f）//判斷是否有按鍵按下
	{
		delay（5）;//軟件消抖
		if（?（P3?&?0x0f）?!=?0x0f）//判斷是否有按鍵按下
		{
			??cord_h?=?P3?&?0x0f;//?儲存行線值
			??P3?=?cord_l?|?0xf0;
			??cord_l?=?P3?&?0xf0;//?儲存列線值
			??while（?（P3?&?0xf0）?!=?0xf0?）;//松手檢測
			??return?（cord_l?+?cord_h）;//返回鍵值碼
		}	
	}
		
}

void?KeyPro（）
{
	switch（?KeyScan（）?）
	{
	?	//第一行鍵值碼
		case?0xee:?P0?=?leddata[0];		break;
		case?0xde:?P0?=?leddata[1];		break;
		case?0xbe:?P0?=?leddata[2];		break;
		case?0x7e:?P0?=?leddata[3];		break;
		
		//第二行鍵值碼
		case?0xed:?P0?=?leddata[4];		break;
		case?0xdd:?P0?=?leddata[5];		break;
		case?0xbd:?P0?=?leddata[6];		break;
		case?0x7d:?P0?=?leddata[7];		break;

		//第三行鍵值碼
		case?0xeb:?P0?=?leddata[8];		break;
		case?0xdb:?P0?=?leddata[9];		break;
		case?0xbb:?P0?=?leddata[10];	break;
		case?0x7b:?P0?=?leddata[11];	break;

		//第四行鍵值碼
		case?0xe7:?P0?=?leddata[12];	break;
		case?0xd7:?P0?=?leddata[13];	break;
		case?0xb7:?P0?=?leddata[14];	break;
		case?0x77:?P0?=?leddata[15];	break;
		//獨立鍵盤
		case?0xfe:?P0?=?leddata[16];	break;
		case?0xfd:?P0?=?leddata[17];	break;
		case?0xfb:?P0?=?leddata[18];	break;
		case?0xf7:?P0?=?leddata[19];	break;
	}	
}

void?main（）
{
	we?=?1;//打開位選
	P0?=?0;//八位數碼管全顯示
	we?=?0;//鎖存位選

	du?=?1;//打開段選端
	P0?=?leddata[22];
	while（1）
	{
		
	?	KeyPro（）;//提取鍵值碼并且送不同數值給數碼管顯示
	}
}

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????3683??2014-08-11?21:00??矩陣鍵盤\KeyScan

?????文件???????2610??2014-08-11?21:00??矩陣鍵盤\KeyScan.c

?????文件???????1087??2014-08-11?21:00??矩陣鍵盤\KeyScan.hex

?????文件?????????46??2014-08-11?21:00??矩陣鍵盤\KeyScan.lnp

?????文件???????5979??2014-08-11?21:00??矩陣鍵盤\KeyScan.LST

?????文件???????5820??2014-08-11?21:00??矩陣鍵盤\KeyScan.M51

?????文件???????4207??2014-08-11?21:00??矩陣鍵盤\KeyScan.OBJ

?????文件????????984??2014-08-11?21:48??矩陣鍵盤\KeyScan.Opt

?????文件????????178??2014-08-11?21:48??矩陣鍵盤\KeyScan.plg

?????文件???????2149??2014-05-23?22:43??矩陣鍵盤\KeyScan.Uv2

?????文件????????992??2014-08-11?21:48??矩陣鍵盤\KeyScan_Opt.Bak

?????文件??????????0??2014-05-23?21:21??矩陣鍵盤\KeyScan_Uv2.Bak

?????文件?????775323??2014-07-15?09:18??矩陣鍵盤\矩陣鍵盤.jpg

?????目錄??????????0??2017-03-02?21:08??矩陣鍵盤

-----------?---------??----------?-----??----

???????????????803058????????????????????14