/*******************************************************************
名??稱：矩陣鍵盤?4*4
功??能：每按下一個鍵，在液晶上會產生相應的字符
方??法：行列反轉法
批??注：最簡矩陣鍵盤算法
作??者：王?健
單??位：物理科技創新實驗室
時??間：2013-04-16
*******************************************************************/

#include
#include<1602.h>

void?main（）
{
	uchar?temp;
	init1602（）;	?
	while（1）
	{
		P2=0XF0;
		temp=P2;
		if（temp!=0xf0）
		{
			P2=temp|0x0f;
			switch（P2）
			{
				case?0xe7?:?write_dat（‘0‘）;	??break;	//?1110?0111
				case?0xeb?:?write_dat（‘1‘）;	??break;	//?1110?1011
				case?0xed?:?write_dat（‘2‘）;	??break;	//?1110?1101
				case?0xee?:?write_dat（‘3‘）;	??break;	//?1110?1110

				case?0xd7?:?write_dat（‘4‘）;	??break;	//?1101?0111
				case?0xdb?:?write_dat（‘5‘）;	??break;??	//?1101?1011
				case?0xdd?:?write_dat（‘6‘）;	??break;	//?1101?1101
				case?0xde?:?write_dat（‘7‘）;	??break;?	//?1101?1110

				case?0xb7?:?write_dat（‘8‘）;	??break;	//?1011?0111
				case?0xbb?:?write_dat（‘9‘）;	??break;??	//?1011?1011
				case?0xbd?:?write_dat（‘A‘）;	??break;??	//?1011?1101
				case?0xbe?:?write_dat（‘B‘）;	??break;??	//?1011?1110

				case?0x77?:?write_dat（‘C‘）;	??break;	//?0111?0111
				case?0x7b?:?write_dat（‘D‘）;	??break;??	//?0111?1011
				case?0x7d?:?write_dat（‘E‘）;	??break;??	//?0111?1101
				case?0x7e?:?write_dat（‘F‘）;	??break;??	//?0111?1110
			}
			while（（P2?&?0X0F）!=?0X0F）;
		}
	}
}

	

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-04-16?12:18??矩陣鍵盤（完整版V1）\
?????文件?????????937??2013-04-16?11:32??矩陣鍵盤（完整版V1）\1602.h
?????文件????????1462??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.c
?????文件?????????965??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.hex
?????文件??????????40??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.lnp
?????文件????????3891??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.LST
?????文件????????6504??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.M51
?????文件????????5021??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.OBJ
?????文件?????????183??2013-04-16?12:18??矩陣鍵盤（完整版V1）\key3.plg
?????文件???????56040??2013-04-16?12:18??矩陣鍵盤（完整版V1）\key3.uvopt
?????文件???????13226??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3.uvproj
?????文件???????56011??2013-04-16?12:00??矩陣鍵盤（完整版V1）\key3_uvopt.bak
?????文件???????????0??2013-04-16?11:21??矩陣鍵盤（完整版V1）\key3_uvproj.bak
?????文件??????119692??2013-04-16?12:00??矩陣鍵盤（完整版V1）\Last?Loaded?矩陣鍵盤.DBK
?????文件??????119692??2013-04-16?12:01??矩陣鍵盤（完整版V1）\矩陣鍵盤.DSN
?????文件?????????742??2013-04-16?12:17??矩陣鍵盤（完整版V1）\矩陣鍵盤.PWI