📄 jcsb78-01.lst
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C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 1
C51 COMPILER V7.09, COMPILATION OF MODULE JCSB78_01
OBJECT MODULE PLACED IN JCSb78-01.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE JCSb78-01.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <reg52.h>
2 #include <INTRINS.H>
3 sbit SDA=P1^0;
4 sbit SCL=P1^2;
5 sbit EN=P3^0;
6 sbit GO1=P1^4;
7 sbit GO2=P1^5;
8 sbit LED1=P3^4;
9 sbit LED2=P3^5;
10 sbit LED3=P3^6;
11
12
13 void DelayXms(unsigned int i);
14 void I2CStart();
15 void I2CStop();
16 void I2CSent(unsigned char Data);
17 void Display(unsigned char d);
18 bit Wait();
19 bit key;
20 char l;
21
22 unsigned char co;
23
24 void DelayXms(unsigned int i)
25 {
26 1 unsigned char a;
27 1 unsigned int b;
28 1 for(b=0;b<i;b++)
29 1 for(a=0;a<255;a++);
30 1 }
31
32 void I2CStart( void )
33 {
34 1 SDA=1;
35 1 _nop_();
36 1 _nop_();
37 1 _nop_();
38 1 SCL=1;
39 1 _nop_();
40 1 _nop_();
41 1 _nop_();
42 1 SDA=0;
43 1 _nop_();
44 1 _nop_();
45 1 _nop_();
46 1 SCL=0;
47 1 }
48
49 void I2CStop( void )
50 {
51 1 SDA=0;
52 1 _nop_();
53 1 _nop_();
54 1 _nop_();
55 1 SCL=1;
C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 2
56 1 _nop_();
57 1 _nop_();
58 1 _nop_();
59 1 SDA=1;
60 1 _nop_();
61 1 _nop_();
62 1 _nop_();
63 1 SCL=0;
64 1 }
65
66 void I2CSent(unsigned char Data)
67 {
68 1 unsigned char i,d;
69 1 bit ack;
70 1 SDA=1;
71 1 Resent:
72 1 d=Data;
73 1 for(i=0;i<8;i++)
74 1 {
75 2 if(d&0x80)
76 2 SDA=1;
77 2 else
78 2 SDA=0;
79 2 d<<=1;
80 2 _nop_();
81 2 _nop_();
82 2 _nop_();
83 2 SCL=1;
84 2 _nop_();
85 2 _nop_();
86 2 _nop_();
87 2 SCL=0;
88 2 _nop_();
89 2 _nop_();
90 2 _nop_();
91 2 }
92 1 _nop_();
93 1 _nop_();
94 1 _nop_();
95 1 SDA=1;
96 1 _nop_();
97 1 _nop_();
98 1 _nop_();
99 1 SCL=1;
100 1 _nop_();
101 1 _nop_();
102 1 _nop_();
103 1 ack=SDA;
104 1 SCL=0;
105 1 _nop_();
106 1 _nop_();
107 1 _nop_();
108 1 if(ack==1)goto Resent;
109 1 }
110
111
112
113 bit Wait()
114 {
115 1 bit L;
116 1 while(1)
117 1 {
C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 3
118 2 if(GO1==0||GO2==0)
119 2 {
120 3 if(GO1==0)L=1;
121 3 if(GO2==0)L=0;
122 3 DelayXms(100);
123 3 while(GO1==0||GO2==0);
124 3 return L;
125 3 }
126 2 }
127 1 return L;
128 1 }
129
130 void Display(unsigned char d)
131 {
132 1 unsigned char i;
133 1 EA=0;
134 1 I2CStart();
135 1 I2CSent(0x70);
136 1 I2CSent(0xe0); //Device select A0=A1=A2=0
137 1 I2CSent(0xce); //Mode set
138 1 I2CSent(0xf0);
139 1 I2CSent(0x00);
140 1 for(i=0;i<10;i++)
141 1 {
142 2 I2CSent(d);
143 2 }
144 1 I2CStop();
145 1 I2CStart();
146 1 I2CSent(0x70);
147 1 I2CSent(0xe1); //Device select A0=A1=A2=0
148 1 I2CSent(0xce); //Mode set
149 1 I2CSent(0xf0);
150 1 I2CSent(0x00);
151 1 for(i=0;i<10;i++)
152 1 {
153 2 I2CSent(d);
154 2 }
155 1 I2CStop();
156 1 EA=1;
157 1 }
158 void Display1()
159 {
160 1 EA=0;
161 1 for(;co<80;)
162 1 {
163 2 re:
164 2 Display(0x00);
165 2 I2CStart();
166 2 I2CSent(0x70);
167 2 I2CSent(0xe0+co/40); //Device select A0=A1=A2=0
168 2 I2CSent(0xce); //Mode set 客人
169 2 I2CSent(0xf0);
170 2 I2CSent(co%40);
171 2 I2CSent(0xc0);
172 2 I2CStop();
173 2 key=Wait();
174 2 if(key==1)
175 2 {
176 3 if(co==0)return;
177 3 else
178 3 co--;
179 3 }
C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 4
180 2 if(key==1)goto re;
181 2 else
182 2 co++;
183 2 }
184 1 EA=1;
185 1 }
186 void E1() interrupt 2
187 {
188 1 EA=0;
189 1 DelayXms(300);
190 1 l++;
191 1 if(l==4)l=1;
192 1 LED1=(bit)(l&0x01);
193 1 LED2=(bit)(l&0x02);
194 1 EA=1;
195 1 }
196
197 void E0() interrupt 0
198 {
199 1 EA=0;
200 1 DelayXms(300);
201 1 LED3=~LED3;
202 1 EA=1;
203 1 }
204
205 void main(void)
206 {
207 1 EN=1;
208 1 IE=0X85;
209 1 IE0=1;
210 1 IE1=0;
211 1 LED1=0;
212 1 LED2=1;
213 1 LED3=0;
214 1 while(1)
215 1 {
216 2 d1: Display(0xff);
217 2 if(Wait()==1)goto d5;
218 2 d2: Display(0x00);
219 2 if(Wait()==1)goto d1;
220 2 co=0;
221 2 d3: Display1();
222 2 if(key==1)goto d2;
223 2 d4: Display(0xaa);
224 2 key=Wait();
225 2 if(key==1)co=79;
226 2 if(key==1)goto d3;
227 2 d5: Display(0x55);
228 2 if(Wait()==1)goto d4;
229 2 }
230 1 }
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C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 5
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C51 COMPILER V7.09 JCSB78_01 01/29/2008 15:21:04 PAGE 6
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MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 501 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 2 ----
IDATA SIZE = ---- ----
BIT SIZE = 1 2
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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