#include?“include.h“

sbit??line1=P3^7;
sbit??line2=P2^3;
sbit??row1=P3^6;
sbit??row2=P2^4;

#define??SET_LINE1??line1=1
#define??CLR_LINE1??line1=0
#define??SET_LINE2??line2=1
#define??CLR_LINE2??line2=0

#define??STU_ROW1??row1
#define??STU_ROW2??row2

extern?uchar?data?KeyTime;

uchar?GetKey（void）
{
??//uchar?tmp=0;
??SET_LINE1;
??SET_LINE2;
??CLR_LINE1;
??
??nop（）;
??if（（STU_ROW1==0）&&（!KeyTime））
??{
????return?N_1;
??}
??else?if（（STU_ROW2==0）&&（!KeyTime））
??{
????return?N_3;
??}
??
??SET_LINE1;
??SET_LINE2;
??CLR_LINE2;
??nop（）;
??if（（STU_ROW1==0）&&（!KeyTime））
??{
????return?N_2;
??}
??else?if（（STU_ROW2==0）&&（!KeyTime））
??{
????return?N_4;
??}??
??
??return?N_NOP;?
}

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

?????文件?????994816??2005-07-08?17:01??MFRC522_STC_NO12864\Philip天線（單端）設(shè)計匹配參數(shù)計算專用工具.exe

?????文件????????574??2010-09-14?10:37??MFRC522_STC_NO12864\program\include.h

?????文件????????728??2010-09-13?14:44??MFRC522_STC_NO12864\program\key.c

?????文件???????6664??2010-09-19?17:59??MFRC522_STC_NO12864\program\main.c

?????文件??????19821??2010-09-13?14:48??MFRC522_STC_NO12864\program\rc522.c

?????文件???????5336??2010-09-13?14:13??MFRC522_STC_NO12864\program\rc522.h

?????文件??????33923??2010-09-25?14:55??MFRC522_STC_NO12864\PROTEL\MFRC522_ANT.pdf

?????文件??????21915??2010-09-25?14:57??MFRC522_STC_NO12864\PROTEL\MFRC522_ANT_PCB.pdf

?????文件?????243712??2010-11-04?11:30??MFRC522_STC_NO12864\PROTEL\MFRC522_STC.ddb

?????文件????????128??2010-11-04?11:30??MFRC522_STC_NO12864\PROTEL\MFRC522_STC.ldb

?????文件??????39000??2010-09-25?14:56??MFRC522_STC_NO12864\PROTEL\MFRC522_STC.pdf

?????文件??????38833??2010-09-25?15:07??MFRC522_STC_NO12864\PROTEL\MFRC522_STC_PCB.pdf

?????文件??????28889??2010-07-27?17:31??MFRC522_STC_NO12864\STC11.h

?????文件?????171401??2010-08-30?08:47??MFRC522_STC_NO12864\UV9.CDB

?????文件?????828271??2010-03-19?20:40??MFRC522_STC_NO12864\文檔資料\RC500書籍.pdf

?????文件????2526921??2007-06-01?10:35??MFRC522_STC_NO12864\文檔資料\RC522.pdf

?????文件????2229896??2010-08-24?10:36??MFRC522_STC_NO12864\文檔資料\STC11F-10Fxx.pdf

?????文件?????982078??2006-11-01?21:08??MFRC522_STC_NO12864\文檔資料\設(shè)計MFRC500的匹配電路和天線的應(yīng)用指南.pdf

?????文件???????1574??2010-09-20?15:32??MFRC522_STC_NO12864\用前必讀.txt

?????目錄??????????0??2010-09-25?15:19??MFRC522_STC_NO12864\program

?????目錄??????????0??2010-11-04?11:26??MFRC522_STC_NO12864\PROTEL

?????目錄??????????0??2010-09-25?15:28??MFRC522_STC_NO12864\文檔資料

?????目錄??????????0??2010-11-07?20:25??MFRC522_STC_NO12864

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

??????????????8174480????????????????????23