?? lesson9.lst
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C51 COMPILER V6.12 LESSON9 07/30/2007 11:03:41 PAGE 1
C51 COMPILER V6.12, COMPILATION OF MODULE LESSON9
OBJECT MODULE PLACED IN .\lesson9.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\lesson9.c DEBUG OBJECTEXTEND
stmt level source
1 #include<reg52.h>
2 #define uchar unsigned char
3 #define uint unsigned int
4 sbit dula=P2^6;
5 sbit wela=P2^7;
6 sbit rs=P3^5;
7 sbit lcden=P3^4;
8 sbit s1=P3^0;
9 sbit s2=P3^1;
10 sbit s3=P3^2;
11 sbit rd=P3^7;
12 uchar count,s1num;
13 char miao,shi,fen;
14 uchar code table[]=" 2007-7-30 MON";
15 uchar code table1[]=" 00:00:00";
16 void delay(uint z)
17 {
18 1 uint x,y;
19 1 for(x=z;x>0;x--)
20 1 for(y=110;y>0;y--);
21 1 }
22
23 void write_com(uchar com)
24 {
25 1 rs=0;
26 1 lcden=0;
27 1 P0=com;
28 1 delay(5);
29 1 lcden=1;
30 1 delay(5);
31 1 lcden=0;
32 1 }
33
34 void write_date(uchar date)
35 {
36 1 rs=1;
37 1 lcden=0;
38 1 P0=date;
39 1 delay(5);
40 1 lcden=1;
41 1 delay(5);
42 1 lcden=0;
43 1 }
44
45 void init()
46 {
47 1 uchar num;
48 1 dula=0;
49 1 wela=0;
50 1 lcden=0;
51 1 // fen=59;
52 1 // miao=53;
53 1 // shi=23;
54 1 write_com(0x38);
55 1 write_com(0x0c);
C51 COMPILER V6.12 LESSON9 07/30/2007 11:03:41 PAGE 2
56 1 write_com(0x06);
57 1 write_com(0x01);
58 1 write_com(0x80);
59 1 for(num=0;num<15;num++)
60 1 {
61 2 write_date(table[num]);
62 2 delay(5);
63 2 }
64 1 write_com(0x80+0x40);
65 1 for(num=0;num<12;num++)
66 1 {
67 2 write_date(table1[num]);
68 2 delay(5);
69 2 }
70 1 TMOD=0x01;
71 1 TH0=(65536-50000)/256;
72 1 TL0=(65536-50000)%256;
73 1 EA=1;
74 1 ET0=1;
75 1 TR0=1;
76 1 }
77
78 void write_sfm(uchar add,uchar date)
79 {
80 1 uchar shi,ge;
81 1 shi=date/10;
82 1 ge=date%10;
83 1 write_com(0x80+0x40+add);
84 1 write_date(0x30+shi);
85 1 write_date(0x30+ge);
86 1 }
87
88 void keyscan()
89 {
90 1 rd=0;
91 1 if(s1==0)
92 1 {
93 2 delay(5);
94 2 if(s1==0)
95 2 { s1num++;
96 3 while(!s1);
97 3 if(s1num==1)
98 3 {
99 4 TR0=0;
100 4 write_com(0x80+0x40+10);
101 4 write_com(0x0f);
102 4 }
103 3 }
104 2 if(s1num==2)
105 2 {
106 3 write_com(0x80+0x40+7);
107 3 }
108 2 if(s1num==3)
109 2 {
110 3 write_com(0x80+0x40+4);
111 3 }
112 2 if(s1num==4)
113 2 {
114 3 s1num=0;
115 3 write_com(0x0c);
116 3 TR0=1;
117 3 }
C51 COMPILER V6.12 LESSON9 07/30/2007 11:03:41 PAGE 3
118 2
119 2
120 2 }
121 1 if(s1num!=0)
122 1 {
123 2 if(s2==0)
124 2 {
125 3 delay(5);
126 3 if(s2==0)
127 3 {
128 4 while(!s2);
129 4 if(s1num==1)
130 4 {
131 5 miao++;
132 5 if(miao==60)
133 5 miao=0;
134 5 write_sfm(10,miao);
135 5 write_com(0x80+0x40+10);
136 5
137 5
138 5 }
139 4 if(s1num==2)
140 4 {
141 5 fen++;
142 5 if(fen==60)
143 5 fen=0;
144 5 write_sfm(7,fen);
145 5 write_com(0x80+0x40+7);
146 5 }
147 4 if(s1num==3)
148 4 {
149 5 shi++;
150 5 if(shi==24)
151 5 shi=0;
152 5 write_sfm(4,shi);
153 5 write_com(0x80+0x40+4);
154 5 }
155 4 }
156 3 }
157 2 if(s3==0)
158 2 {
159 3 delay(5);
160 3 if(s3==0)
161 3 {
162 4 while(!s3);
163 4 if(s1num==1)
164 4 {
165 5 /* if(miao==0)
166 5 {
167 5 miao=59;
168 5 write_sfm(10,miao);
169 5 write_com(0x80+0x40+10);
170 5 }*/
171 5 miao--;
172 5 if(miao==-1)
173 5 miao=59;
174 5 write_sfm(10,miao);
175 5 write_com(0x80+0x40+10);
176 5 }
177 4 if(s1num==2)
178 4 {
179 5 fen--;
C51 COMPILER V6.12 LESSON9 07/30/2007 11:03:41 PAGE 4
180 5 if(fen==-1)
181 5 fen=59;
182 5 write_sfm(7,fen);
183 5 write_com(0x80+0x40+7);
184 5 }
185 4 if(s1num==3)
186 4 {
187 5 shi--;
188 5 if(shi==-1)
189 5 shi=23;
190 5 write_sfm(4,shi);
191 5 write_com(0x80+0x40+4);
192 5 }
193 4 }
194 3 }
195 2 }
196 1 }
197 void main()
198 {
199 1 init();
200 1 while(1)
201 1 {
202 2 keyscan();
203 2
204 2 }
205 1 // while(1);
206 1 }
207
208 void timer0() interrupt 1
209 {
210 1 TH0=(65536-50000)/256;
211 1 TL0=(65536-50000)%256;
212 1 count++;
213 1 if(count==18)
214 1 {
215 2 count=0;
216 2 miao++;
217 2 if(miao==60)
218 2 {
219 3 miao=0;
220 3 fen++;
221 3 if(fen==60)
222 3 {
223 4 fen=0;
224 4 shi++;
225 4 if(shi==24)
226 4 {
227 5 shi=0;
228 5 }
229 4 write_sfm(4,shi);
230 4 }
231 3 write_sfm(7,fen);
232 3 }
233 2 write_sfm(10,miao);
234 2
235 2 }
236 1 }
237
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 545 ----
C51 COMPILER V6.12 LESSON9 07/30/2007 11:03:41 PAGE 5
CONSTANT SIZE = 29 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 5 ----
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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