?? led6.lst
字號:
C51 COMPILER V7.01 LED6 07/12/1999 22:02:55 PAGE 1
C51 COMPILER V7.01, COMPILATION OF MODULE LED6
OBJECT MODULE PLACED IN Led6.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE Led6.c OPTIMIZE(6,SPEED) BROWSE DEBUG OBJECTEXTEND
stmt level source
1 /* 6位數碼管演示程序: 顯示數碼從0---99循環,按 P3.2 按鍵,顯示從"0" 開始*/
2
3 #include <reg52.h>
4
5 int count1s;
6 unsigned int count1m;
7 unsigned char dis_bitcount=0;
8 unsigned char display_o[6];
9 unsigned char display_q[6];
10
11 unsigned char code SEG[11]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
12 unsigned char dis_bitdriver=0;
13
14
15 void delay5ms()
16 {
17 1 register int i;
18 1 for (i=0;i<500;i++)
19 1 ;
20 1 }
21
22 main()
23 {
24 1 unsigned char dcode;
25 1 unsigned char p2code,p3code;
26 1 count1m=0;
27 1 count1s=0;
28 1 while(1)
29 1 {
30 2
31 2 switch(dis_bitcount+1)
32 2 {
33 3 case 1:dis_bitdriver=0x01; break;/*display 1*/
34 3 case 2:dis_bitdriver=0x02; break;/*display 2*/
35 3 case 3:dis_bitdriver=0x04; break;/*display 3*/
36 3 case 4:dis_bitdriver=0x08; break;/*display 4*/
37 3 case 5:dis_bitdriver=0x10; break;/*display 5*/
38 3 default:dis_bitdriver=0x20; break;/*display 6 */
39 3
40 3 }
41 2 p2code=P2;
42 2 P2=p2code&0x40;
43 2 dcode=SEG[display_q[dis_bitcount]];
44 2 P0=SEG[display_q[dis_bitcount]];
45 2 P2=(p2code&0x40)|dis_bitdriver;
46 2 if(dis_bitcount>=5) dis_bitcount=0;
47 2 else dis_bitcount++;
48 2
49 2
50 2 count1s++;
51 2 if(count1s>=400)
52 2 {
53 3 count1m++;
54 3 count1s=0;
55 3 }
C51 COMPILER V7.01 LED6 07/12/1999 22:02:55 PAGE 2
56 2 p3code=P3&0x04;
57 2
58 2 if(count1m>99) count1m=0;
59 2 if(p3code==0) count1m=0;
60 2
61 2 display_o[1]=count1m/10;
62 2 display_o[0]=count1m-display_o[1]*10;
63 2 display_q[1]=display_o[1];
64 2 display_q[0]=display_o[0];
65 2
66 2 delay5ms();
67 2
68 2
69 2 }
70 1
71 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 212 ----
CONSTANT SIZE = 11 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 18 1
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -