?? skey.lst
字號:
C51 COMPILER V8.02 SKEY 06/02/2008 11:06:07 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE SKEY
OBJECT MODULE PLACED IN skey.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE skey.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <main.H>
2 sbit SCLK165=P3^4;//時鐘控制,高電平移位輸出
3 sbit SL165=P3^5; //0:讀端口的信息,1:保存端口 S/L,1腳
4 sbit D165=P3^6; //輸出腳
5 sbit CS165=P3^7; //片選,0有效,即芯片的15腳clkInhibit
6 unsigned int keyin(void)
7 {
8 1 unsigned int key=0;
9 1 unsigned char i=16;
10 1 CS165=1;
11 1 SL165=0;//讀鍵盤數據
12 1 delay(100);
13 1 CS165=0;
14 1 SL165=1;//保持鍵盤狀態
15 1 while(i--)
16 1 {
17 2 key=key<<1;
18 2 if(D165)
19 2 {key=key+1;}
20 2 SCLK165=0;
21 2 delay(50);
22 2 SCLK165=1;
23 2 }
24 1 return (key);
25 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 69 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- 3
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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