📄 timer08.lst
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C51 COMPILER V8.05a TIMER08 02/26/2009 16:54:16 PAGE 1
C51 COMPILER V8.05a, COMPILATION OF MODULE TIMER08
OBJECT MODULE PLACED IN timer08.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE timer08.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <reg52.h>
2 #include<24C02.h>
3 #define uchar unsigned char
4 #define uint unsigned int
5 uchar hour=23;min=58;sec=12;
6 uchar DisplayArray[6]={2,1,8,5,3,2};
7 uchar count,s1num;
8 uchar ci=6;
9 sbit speaker=P3^3;
10 sbit s1=P1^4;
11 sbit s2=P1^5;
12 sbit s3=P1^6;
13 sbit c3=P1^3;
14 void delay(uint z)
15 {
16 1 uint x,y;
17 1 for(x=z;x>0;x--)
18 1 for(y=110;y>0;y--);
19 1 }
20 void ScanSeg7() /*数码管扫描显示*/
21 {
22 1 static uchar s_scanCounter;
23 1 s_scanCounter++;
24 1 if(s_scanCounter>5) s_scanCounter=0; /*ptr1>5表示6个数码管都已经扫描过*/
25 1 P0=s_scanCounter|(DisplayArray[s_scanCounter]<<4);
26 1 }
27
28 void write_sfm(uchar add,uchar date)
29 {
30 1 uchar hour,ge;
31 1 hour=date/10;
32 1 ge=date%10;
33 1 DisplayArray[add]=ge;
34 1 DisplayArray[add+1]=hour;
35 1 }
36 void keyscan()
37 {
38 1 P1=0xff;
39 1 c3=0;
40 1 if(s1==0)
41 1 {
42 2 delay(5);
43 2 if(s1==0)
44 2 {
45 3 sec++;
46 3 while(!s1);
47 3 switch(s1num)
48 3 {
49 4 case 1:
50 4 {
51 5 write_sfm(0,sec);
52 5 TR0=0;
53 5
54 5 } break;
55 4 case 2:
C51 COMPILER V8.05a TIMER08 02/26/2009 16:54:16 PAGE 2
56 4 {
57 5
58 5 TR0=0;
59 5 } break;
60 4 case 3:
61 4 {
62 5
63 5 TR0=0;
64 5 } break;
65 4 default:
66 4 {
67 5
68 5 TR0=1;
69 5 }
70 4 }
71 3 }//s1键被按下
72 2 }
73 1 if(s1num!=0)
74 1 {
75 2 if(s2==0)//第二个键被按下,让时或分或秒加一
76 2 {
77 3 while(!s2);//等待松手
78 3 if(s1num==1)//秒针按下
79 3 {
80 4 sec++;
81 4 if(sec==60) min=0;
82 4 write_sfm(0,sec);
83 4 }
84 3 if(s1num==2)
85 3 {
86 4 min++;
87 4 if(min==60) min=0;
88 4 write_sfm(2,min);
89 4
90 4 }
91 3 if(s1num==3)//小时
92 3 {
93 4 hour++;
94 4 if(hour==24) hour=0;
95 4 write_sfm(4,hour);
96 4
97 4 }
98 3 }
99 2 /*时分秒减*/
100 2 if(s3==0)
101 2 {
102 3 delay(5);
103 3 if(s3==0)
104 3 {
105 4 while(!s3);
106 4 if(s1num==1)
107 4 {
108 5 sec--;
109 5 if(sec==-1) sec=59;
110 5 write_sfm(0,sec);
111 5
112 5 }
113 4 if(s1num==2)
114 4 {
115 5 min--;
116 5 if(min==-1) min=59;
117 5 write_sfm(2,min);
C51 COMPILER V8.05a TIMER08 02/26/2009 16:54:16 PAGE 3
118 5
119 5 }
120 4 if(s1num==3)
121 4 {
122 5 hour--;
123 5 if(hour==-1) hour=59;
124 5 write_sfm(4,min);
125 5
126 5 }
127 4
128 4 }
129 3 }
130 2 }
131 1
132 1 }
133
134
135 void main()
136 {
137 1 init();//初始化24C02
138 1 for(ci=0;ci<6;ci++)
139 1 {
140 2 DisplayArray[ci]=read_add(ci);
141 2 }
142 1 TMOD=0x01;
143 1 TR0=1;
144 1 EA=1;
145 1 ET0=1;
146 1
147 1 while(1)
148 1 {
149 2
150 2 ScanSeg7() ;
151 2 if(sec&min&hour==0)
152 2 {
153 3 speaker=0;
154 3 }
155 2
156 2 }
157 1 }
158 void Timer0Int() interrupt 1
159 {
160 1 TH0=(65536-50000)/256; /*设定Timer0每隔SCAN_CYCLEu中断一次*/
161 1 TL0=(65536-50000)%256;
162 1 count++;
163 1 keyscan();
164 1 if(count==20)
165 1 {
166 2 count=0;
167 2 sec++;
168 2 if(sec==60)
169 2 {
170 3 sec=0;
171 3 min++;
172 3 if(min==60)
173 3 {
174 4 min=0;
175 4 hour++;
176 4 if(hour==24)
177 4 {
178 5 hour=0;
179 5 }
C51 COMPILER V8.05a TIMER08 02/26/2009 16:54:16 PAGE 4
180 4 write_sfm(4,hour);
181 4 }
182 3 write_sfm(2,min);
183 3 }
184 2 write_sfm(0,sec);
185 2 for(ci=0;ci<6;ci++)
186 2 {
187 3 write_add(ci,DisplayArray[ci]);
188 3 }
189 2 }
190 1
191 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 742 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 15 1
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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