📄 iicled.lst
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C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 1
C51 COMPILER V8.05a, COMPILATION OF MODULE IICLED
OBJECT MODULE PLACED IN IICLED.OBJ
COMPILER INVOKED BY: C:\Keilc51\C51\BIN\C51.EXE IICLED.C BROWSE DEBUG OBJECTEXTEND
line level source
1 /************************************************/
2 #include <REG52.H>
3 #include <intrins.h>
4 #define uchar unsigned char
5 #define uint unsigned int
6 #define ulong unsigned long
7 #define int8 unsigned char
8 #define int16 unsigned int
9 #define int32 unsigned long
10 sbit I2C_SDA= P1^5;
11 sbit I2C_SCK= P1^4;
12 sbit I2C_WP= P1^3;
13
14 //============================
15 sbit LED1=P3^4;
16 sbit LED2=P1^6;
17 sbit GRE=P1^7;
18 sbit s1=P0^3;
19 sbit s2=P2^3;
20 sbit SCK=P2^4;
21 sbit RCK=P2^5;
22 sbit nG=P2^6;
23 sbit SER=P2^7;
24 uchar xdata tab[16][6];
25 uchar count;
26 uchar l;
27 uint m;
28
29 void McuInit(void);
30 void Timer_Int();
31 //===============================================
32 /* 列选择*/
33 void lay(int8 n)
34 {
35 1 int8 i;
36 1 i=n;
37 1 s1=0;
38 1 s2=0;
39 1 if(n<8)
40 1 {
41 2 //_nop_();
42 2 P0=(P0&0xf8)|(~i);
43 2 }
44 1 else
45 1 { i=i-7;
46 2 i=i&0x07;
47 2 i=i|0xf0; //保护nG位
48 2 P2=(P2&0xf8)|(~i);
49 2 }
50 1
51 1 }
52 /*延时*/
53 void delay(int8 N)
54 {
55 1 int8 i,j,k;
C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 2
56 1 for(i=0;i<100;i++)
57 1 for(j=0;j<10;j++)
58 1 for(k=0;k<N;k++)GRE=~GRE;
59 1
60 1 }
61 /*发送字节，移位发送*/
62 void WriteByte(int8 val)
63 {
64 1 int8 i,m;
65 1 m=~val;
66 1 for (i = 8; i > 0; i --)
67 1 {
68 2 SCK = 0;//拉低74HC595时钟
69 2 SER = m&0x01;//发送74HC595一位串行数据
70 2 SCK = 1;//拉高74HC595时钟
71 2 m=m>>1;
72 2 _nop_();//延时
73 2 }
74 1 SER = 1;//释放数据总线
75 1 }
76
77 /*发送字*/
78 void display(int8 n )
79 {
80 1 int8 i;
81 1 for(i=0;i<6;i++)
82 1 WriteByte(tab[n][i]);
83 1 RCK=0; //保存并行数据
84 1 _nop_();
85 1 RCK=1;
86 1 }
87
88 void delays(int8 n)
89 { n=n;
90 1 m=m+0x1;
91 1 LED1=m&0x800;
92 1 GRE=~LED1;
93 1 LED2=m&0x1000;
94 1 }
95
96 void XianShiX(void)
97 {
98 1 /**/display(0);//行0
99 1 lay(14); //列
100 1 delays(1); //短延时
101 1 /**/display(1);//行1
102 1 lay(13);
103 1 delays(1);
104 1 /**/display(2);//行2
105 1 lay(12);
106 1 delays(1);
107 1 /**/display(3);//行3
108 1 lay(11);
109 1 delays(1);
110 1 /**/display(4);//行4
111 1 lay(10);
112 1 delays(1);
113 1 /**/display(5);//行5
114 1 lay(9);
115 1 delays(1);
116 1 /**/display(6);//行6
117 1 lay(8);
C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 3
118 1 delays(1);
119 1
120 1 ///**/Timer_Int();
121 1 /**/display(7);//行7
122 1 lay(15);
123 1 delays(1);
124 1 /**/display(8);//行8
125 1 lay(7);
126 1 delays(1);
127 1 /**/display(9);//行9
128 1 lay(6);
129 1 delays(1);
130 1 /**/display(10);//行10
131 1 lay(5);
132 1 delays(1);
133 1 /**/display(11);//行11
134 1 lay(4);
135 1 delays(1);
136 1 /**/display(12); //行12
137 1 lay(0);
138 1 delays(1);
139 1 /**/display(13); //行13
140 1 lay(1);
141 1 delays(1);
142 1 /**/display(14); //行14
143 1 lay(2);
144 1 delays(1);
145 1 /**/display(15); //行15
146 1 lay(3);
147 1 delays(1);
148 1 }
149 //=============================
150 //延时10US
151 //内部调用函数
152 void Delay_10_uS(void)
153 {
154 1 char i=2;
155 1 while(i--);
156 1 }
157
158
159
160 //开始位
161 //内部调用函数
162 bit I2C_Start(void)
163 {
164 1 Delay_10_uS();
165 1 I2C_SDA =1;
166 1 Delay_10_uS();
167 1 I2C_SCK =1;
168 1 Delay_10_uS();
169 1 if ( I2C_SDA == 0) return 0;
170 1 if ( I2C_SCK == 0) return 0;
171 1 I2C_SDA = 0;
172 1 Delay_10_uS();
173 1 I2C_SCK = 0;
174 1 Delay_10_uS();
175 1 return 1;
176 1 }
177
178 //停止位
179 //内部调用函数
C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 4
180 void I2C_Stop(void)
181 {
182 1 Delay_10_uS();
183 1 I2C_SDA = 0;
184 1 Delay_10_uS();
185 1 I2C_SCK = 1;
186 1 Delay_10_uS();
187 1 I2C_SDA = 1;
188 1 Delay_10_uS();
189 1 }
190
191
192 //读数据后拉高应答信号
193 //内部调用函数
194 void I2C_Nack(void)
195 {
196 1 Delay_10_uS();
197 1 I2C_SDA=1;
198 1 Delay_10_uS();
199 1 I2C_SCK=1;
200 1 Delay_10_uS();
201 1 I2C_SCK=0;
202 1 Delay_10_uS();
203 1 }
204
205 //写单字节数据
206 //内部调用函数
207 bit I2C_Send_Byte( uchar d)
208 {
209 1 uchar i = 8;
210 1 bit bit_ack;
211 1 while( i-- )
212 1 {
213 2 Delay_10_uS();
214 2 if ( d &0x80 ) I2C_SDA =1;
215 2 else I2C_SDA =0;
216 2 Delay_10_uS();
217 2 I2C_SCK = 1;
218 2 Delay_10_uS();
219 2 I2C_SCK = 0;
220 2 d = d << 1;
221 2 }
222 1 Delay_10_uS();
223 1 I2C_SDA = 1;
224 1 Delay_10_uS();
225 1 I2C_SCK = 1;
226 1 Delay_10_uS();
227 1 bit_ack = I2C_SDA;
228 1 I2C_SCK =0;
229 1 Delay_10_uS();
230 1 return bit_ack;
231 1 }
232
233 //接收单字节数据
234 //内部调用函数
235 uchar I2C_Receive_Byte(void)
236 {
237 1 uchar i = 8, d;
238 1 Delay_10_uS();
239 1 I2C_SDA = 1;
240 1 while ( i--)
241 1 {
C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 5
242 2 d = d << 1;
243 2 Delay_10_uS();
244 2 I2C_SCK =1;
245 2 if ( I2C_SDA ) d++;
246 2 Delay_10_uS();
247 2 I2C_SCK =0;
248 2 }
249 1 return d;
250 1 }
251
252
253
254 //读多字节数据
255 //供外部调用函数
256 void AT24C64_R(void *mcu_address,uint AT24C64_address,uint count)
257 {
258 1 s1=0;s2=0;nG=1;
259 1 while(count--)
260 1 {
261 2 I2C_Start();
262 2 /*I2C_Send_Byte( 0xa0 + AT24C64_address / 256
263 2 *2 );*/ /* 24C16 USE */
264 2 I2C_Send_Byte( 0xa0 );//写命令设备地址为10100000最后一位为0"写标志"
265 2 I2C_Send_Byte( AT24C64_address/256 );//写存储器页地址
266 2 I2C_Send_Byte( AT24C64_address % 256 );//写存储器字节地址
267 2 I2C_Start();
268 2 /*I2C_Send_Byte( 0xa1 + AT24C64_address /256 *2 );*/
269 2 I2C_Send_Byte( 0xa1 );//写命令设备地址为10100001最后一位为1"读标志"
270 2 *(uchar*)mcu_address = I2C_Receive_Byte();//读单字节数据到MCU指针指向的地址
271 2 I2C_Nack();//回应答信号
272 2 I2C_Stop();
273 2 ((uchar*)mcu_address)++;
274 2 AT24C64_address++;
275 2 }
276 1 s1=1;s2=1;nG=0;
277 1 }
278
279 //=====================================
280 void main()
281 {
282 1 uchar len;
283 1 McuInit();
284 1 GRE=1;
285 1 AT24C64_R(tab,0x00,96);
286 1 TR0=0;
287 1 //TR1=1;
288 1 EA=0;
289 1 while(1)
290 1 {
291 2 nG=0;
292 2 len=250;
293 2 AT24C64_R(tab,0x00,96);
294 2 while(len>0){XianShiX();len--;}
295 2 len=250;
296 2 AT24C64_R(tab,0x60,96);
297 2 while(len>0){XianShiX();len--;}
298 2 len=250;
299 2 AT24C64_R(tab,0xc0,96);
300 2 while(len>0){XianShiX();len--;}
301 2
302 2 //AT24C64_R(tab,0x00,96);
303 2 }
C51 COMPILER V8.05a IICLED 01/07/2008 22:56:23 PAGE 6
304 1
305 1 }
306
307
308
309 void McuInit(void)
310 {
311 1 s1=0;s2=0;nG=1;
312 1 EA=0;
313 1 LED1=0;
314 1 LED2=0;
315 1 GRE=0;
316 1 delay(250);
317 1 LED1=1;
318 1 LED2=0;
319 1 GRE=0;
320 1 delay(100);
321 1 LED1=0;
322 1 LED2=1;
323 1 GRE=0;
324 1 delay(90);
325 1 LED1=0;
326 1 LED2=0;
327 1 GRE=1;
328 1 delay(60);
329 1 LED1=1;
330 1 LED2=0;
331 1 GRE=1;
332 1 delay(40);
333 1 LED1=1;
334 1 LED2=1;
335 1 GRE=0;
336 1 delay(20);
337 1 LED1=0;
338 1 LED2=0;
339 1 GRE=0;
340 1
341 1 ET0 = 0; //允许定时器0中断
342 1 TMOD = 0X01; //定时器工作方式选择
343 1 TL0 = 0x00;
344 1 TH0 = 0x00; //定时器赋予初值
345 1 TR0 = 0; //启动定时器
346 1 TR1=0;
347 1 EX0=0;
348 1 EX1=0;
349 1 EA =0 ; //开总中断
350 1 nG=0;
351 1
352 1 }
353
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 787 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = 96 ----
PDATA SIZE = ---- ----
DATA SIZE = 4 8
IDATA SIZE = ---- ----
BIT SIZE = ---- 1
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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