📄 89s52.lst
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C51 COMPILER V8.02 89S52 04/27/2006 22:33:57 PAGE 1
C51 COMPILER V8.02, COMPILATION OF MODULE 89S52
OBJECT MODULE PLACED IN 89S52.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 89S52.c REGFILE(.\89S52.ORC) BROWSE ORDER FLOATFUZZY(0) DEBUG OBJECTEXTEND
line level source
1 #include<AT89x52.h>
2 #include<stdio.h>
3 #include <intrins.h>
4 //端口定义
5 sbit LCDRS = P3^5;
6 sbit LCDRW = P3^6;
7 sbit LCDEN = P3^7;
8 sbit LCDBF = P2^7;
9
10 #define DBPORT P2
11 #define DIS_CURS_OFF 0x0c
12 #define LCD_CLRS 0x01
13 #define DIS_HIDE 0x08
14 #define LCD_INIT 0x38
15 #define LCD_HOME 0x02
16 #define LCD_DATA 1
17 #define LCD_COMMAND 0
18 #define LCD_READ 1
19 #define LCD_WRITE 0
20
21 #define K1 6
22 #define K2 5
23 #define K3 4
24 #define K4 3
25 #define K5 2
26 #define K6 1
27 #define K7 0
28 #define Fctrl P0_3
29 #define Tctrl P0_4
30 #define Distc P0_5
31 #define Width P0_6
32 #define Cut P0_7
33 #define Stop P1_6
34 #define Clrs P1_7
35 #define Enex P3_0
36 #define Disall P0=0xff;P1=0xff
37
38 #define StopCount P1_6=0
39 #define StarCount P1_6=1
40 #define ClrsCount P1_7=0;_nop_();P1_7=1
41 #define ClrsDff P1_2=0;_nop_();P1_2=1
42
43 #define Backb P1_3
44 #define Backc P1_4
45
46 #define BackLight P1_0
47
48 unsigned char sbuffer[15],w[5];
49 unsigned char contrast=5;
50 unsigned long value=0,copyer=0,wvalue=0;
51
52 bit IsFreq=1;
53 bit IsLow=1;
54
55 void lcd_wait();
C51 COMPILER V8.02 89S52 04/27/2006 22:33:57 PAGE 2
56 void lcd_command(unsigned char command);
57 void lcd_putchar(unsigned char character);
58 void lcd_moveto(unsigned char x, unsigned char y);
59 void lcd_print(unsigned char *str);
60 void delay1s();
61 void high_init();
62 void key_delay();
63 void key_jud();
64 void low_init();
65 void width_init();
66 void depart_w();
67 void intrT2();
68 void width_get();
69 void count();
70 void count_init();
71 void low_get();
72 void show_high_t();
73 void show_high_f();
74 void show_low_t();
75 void show_low_f();
76 void intr0();
77 void intr1();
78 void high_get();
79 void contrast_handle();
80 void install();
81 void lcd_init();
82
83 void lcd_wait()
84 {
85 1 LCDEN=0;
86 1 DBPORT=0xff;
87 1 LCDRS=LCD_COMMAND;
88 1 LCDRW=LCD_READ;
89 1 LCDEN=1; _nop_();
90 1 while(LCDBF)
91 1 { LCDEN=0; _nop_();
92 2 LCDEN=1; _nop_();
93 2 }
94 1 LCDEN=0;
95 1 }
96
97 void lcd_command(unsigned char command)
98 {
99 1 lcd_wait();
100 1 LCDRS=LCD_COMMAND;
101 1 LCDRW=LCD_WRITE;
102 1 DBPORT=command;
103 1 LCDEN=1; _nop_();
104 1 LCDEN=0;
105 1 }
106
107 void lcd_putchar(unsigned char character)
108 {
109 1 lcd_wait();
110 1 LCDRS=LCD_DATA;
111 1 LCDRW=LCD_WRITE;
112 1 DBPORT=character;
113 1 LCDEN=1; _nop_();
114 1 LCDEN=0;
115 1 }
116 void lcd_moveto(unsigned char x, unsigned char y)
117 {
C51 COMPILER V8.02 89S52 04/27/2006 22:33:57 PAGE 3
118 1 if(x==0)
119 1 lcd_command(0x80|y);
120 1 if(x==1)
121 1 lcd_command(0xc0|y);
122 1 }
123
124 void lcd_print(unsigned char *str)
125 {
126 1 while(*str!='\0')
127 1 { lcd_putchar(*str);
128 2 str++;
129 2 }
130 1 }
131
132 void delay1s()
133 {
134 1 unsigned char i,j,k;
135 1 for(i=0;i<255;i++)
136 1 for(j=0;j<103;j++)
137 1 for(k=0;k<11;k++);
138 1 for(k=0;k<216;k++);
139 1 _nop_();
140 1 }
141
142 void high_init()
143 {
144 1 EA=0;
145 1 Disall;
146 1 Fctrl=0;
147 1 TMOD=0x05;
148 1 TR0=1;
149 1 StopCount;
150 1 ClrsCount;
151 1 TL0=0;
152 1 TH0=0;
153 1 }
154
155 void key_delay()
156 {
157 1 unsigned char i,j;
158 1 for(i=0;i<255;i++)
159 1 for(j=0;j<250;j++);
160 1 }
161
162 void key_jud()
163 {
164 1 switch(P0&0x7)
165 1 {
166 2 case K6:TH0=0;
167 2 TL0=0;
168 2 ClrsCount;
169 2 key_delay();
170 2 break;
171 2 case K7:P1_6=!P1_6;
172 2 lcd_moveto(1,15);
173 2 if(!P1_6)
174 2 lcd_putchar('P');
175 2 else
176 2 lcd_putchar(' ');
177 2 key_delay();
178 2 break;
179 2 case K1:w[0]++;
C51 COMPILER V8.02 89S52 04/27/2006 22:33:57 PAGE 4
180 2 if(w[0]==10) w[0]=0;
181 2 key_delay();
182 2 break;
183 2 case K2:w[1]++;
184 2 key_delay();
185 2 if(w[1]==10) w[1]=0;
186 2 break;
187 2 case K3:w[2]++;
188 2 if(w[2]==10) w[2]=0;
189 2 key_delay();
190 2 break;
191 2 case K4:w[3]++;
192 2 if(w[3]==10) w[3]=0;
193 2 key_delay();
194 2 break;
195 2 case K5:w[4]++;
196 2 if(w[4]==10) w[4]=0;
197 2 key_delay();
198 2 break;
199 2 }
200 1 }
201
202 void low_init()
203 {
204 1 Disall;
205 1 Distc=0;
206 1 Tctrl=0;
207 1 Cut=0;
208 1 StopCount;
209 1 ClrsCount;
210 1 StarCount;
211 1 IsLow=1;
212 1 TL0=0;
213 1 TH0=0;
214 1 IT0=1;
215 1 IT1=1;
216 1 EX1=1;
217 1 EX0=1;
218 1 ClrsDff;
219 1 EA=1;
220 1 }
221
222 void width_init()
223 {
224 1 Disall;
225 1 Width=0;
226 1 Tctrl=0;
227 1 ClrsCount;
228 1 TL0=0;
229 1 TH0=0;
230 1 TMOD=0x05;
231 1 TR0=1;
232 1 TF2=0;
233 1 T2CON=8;
234 1 ET2=1;
235 1 ClrsCount;
236 1 TH0=0;
237 1 TL0=0;
238 1 EA=1;
239 1 }
240
241
C51 COMPILER V8.02 89S52 04/27/2006 22:33:57 PAGE 5
242 void depart_w()
243 {
244 1 unsigned char i;
245 1 while(wvalue>=1e4) wvalue/=10;
246 1 for(i=0;i<4;i++)
247 1 {
248 2 w[3-i]=wvalue%10+'0';
249 2 wvalue/=10;
250 2 }
251 1 }
252
253 void intrT2() interrupt 5
254 {
255 1 unsigned char i;
256 1 Tctrl=1;
257 1 P2=0xff;
258 1 Enex=0;
259 1 value=TH0;
260 1 value=(value<<8);
261 1 value=value+TL0;
262 1 value=(value<<8);
263 1 value=value+DBPORT;
264 1 Enex=1;
265 1 for(i=0;value;i++)
266 1 {
267 2 sbuffer[i]=value%10+'0';
268 2 value=value/10;
269 2 }
270 1 lcd_moveto(1,3);
271 1 i++;
272 1 while(i)
273 1 {
274 2 lcd_putchar(sbuffer[i]);
275 2 i--;
276 2 }
277 1 lcd_putchar(sbuffer[i]);
278 1 lcd_print(" uS ");
279 1 while(1)
280 1 {
281 2 i=P0&0x07;
282 2 if(i==K1) break;
283 2 }
284 1 TH0=0;
285 1 TL0=0;
286 1 ClrsCount;
287 1 lcd_moveto(1,3);
288 1 lcd_print(" Capture.....");
289 1 key_delay();
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