📄 main.lst
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C51 COMPILER V8.08 MAIN 01/15/2008 19:44:27 PAGE 1
C51 COMPILER V8.08, COMPILATION OF MODULE MAIN
OBJECT MODULE PLACED IN main.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE main.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include <AT89X51.h>
2
3 static bit OP; //红外发射管的亮灭
4 static unsigned int count; //延时计数器
5 static unsigned int endcount; //终止延时计数
6 static unsigned char Flag; //红外发送标志
7 char iraddr1; //十六位地址的第一个字节
8 char iraddr2; //十六位地址的第二个字节
9
10 void SendIRdata(char p_irdata);
11 void delay();
12 char getkey()
13 {
14 1 P1=0xfe;P3_6=P3_7=1;P3_3=1;
15 1 if(!P1_4)return 1; //ON
16 1 if(!P1_5)return 2; //7
17 1 if(!P1_6)return 3; //8
18 1 if(!P1_7)return 4; //9
19 1 if(!P3_6)return 5; //X
20 1 if(!P3_7)return 6; //÷
21 1 P1=0xfd;
22 1 if(!P1_4)return 11; //+-
23 1 if(!P1_5)return 12; //4
24 1 if(!P1_6)return 13; //5
25 1 if(!P1_7)return 14; //6
26 1 if(!P3_6)return 15; //-
27 1 if(!P3_7)return 16; //MRC
28 1 P1=0xfb;
29 1 if(!P1_4)return 21; //%
30 1 if(!P1_5)return 22; //1
31 1 if(!P1_6)return 23; //2
32 1 if(!P1_7)return 24; //3
33 1 if(!P3_6)return 25; //+
34 1 if(!P3_7)return 26; //M-
35 1 P1=0xf7;
36 1 if(!P1_4)return 31; //□
37 1 if(!P1_5)return 32; //0
38 1 if(!P1_6)return 33; //.
39 1 if(!P1_7)return 34; //=
40 1 if(!P3_6)return 35; //+
41 1 if(!P3_7)return 36; //M+
42 1
43 1 P1=0xfF;P3_3=0;
44 1 if(!P1_4)return 41; //
45 1 if(!P1_5)return 42; //
46 1 if(!P1_6)return 43; //
47 1 if(!P1_7)return 44; //
48 1 if(!P3_6)return 45; //
49 1 if(!P3_7)return 46; //
50 1 return 0;
51 1 }
52
53 void main(void)
54 {
55 1 char key;
C51 COMPILER V8.08 MAIN 01/15/2008 19:44:27 PAGE 2
56 1 count = 0;
57 1 Flag = 0;
58 1 OP = 0;
59 1 P3_4 = 1;
60 1 EA = 1; //允许CPU中断
61 1 TMOD = 0x11; //设定时器0和1为16位模式1
62 1 ET0 = 1; //定时器0中断允许
63 1
64 1 P1=0xff;
65 1 TH0 = 0xFF;
66 1 TL0 = 0xE6; //设定时值0为38K 也就是每隔26us中断一次
67 1 TR0 = 1;//开始计数
68 1
69 1 iraddr1=0xff;
70 1 iraddr2=0xff;
71 1
72 1
73 1 do{
74 2 key=getkey();
75 2 if(key==1)SendIRdata(0x12);//set
76 2 if(key==11)SendIRdata(0x0b);//exit
77 2 if(key==25||key==35)SendIRdata(0x1a);//+
78 2 if(key==15)SendIRdata(0x1e);//-
79 2 if(key==6)SendIRdata(0x0e);//↑ ÷
80 2 if(key==16)SendIRdata(0x1d);//↓ MRC
81 2
82 2 if(key==26)SendIRdata(0x1f);//← M-
83 2 if(key==36)SendIRdata(0x1b);//→ M+
84 2 if(key==32)SendIRdata(0x00);//0
85 2 if(key==22)SendIRdata(0x01);//1
86 2 if(key==23)SendIRdata(0x02);//2
87 2
88 2 if(key==24)SendIRdata(0x03);//3
89 2 if(key==12)SendIRdata(0x04);//4
90 2 if(key==13)SendIRdata(0x05);//5
91 2 if(key==14)SendIRdata(0x06);//6
92 2 if(key==2)SendIRdata(0x07);//7
93 2 if(key==3)SendIRdata(0x08);//8
94 2
95 2 if(key==4)SendIRdata(0x09);//9
96 2 if(key==21)SendIRdata(0x2A);//%
97 2 if(key==5)SendIRdata(0x2B);//X
98 2 if(key==33)SendIRdata(0x2C);//.
99 2 if(key==34)SendIRdata(0x2D);//=
100 2 if(key==31)SendIRdata(0x2E);//□
101 2
102 2 if(key==41)SendIRdata(0x2F);//
103 2 if(key==42)SendIRdata(0x30);//
104 2 if(key==43)SendIRdata(0x31);//
105 2 if(key==44)SendIRdata(0x32);//
106 2 if(key==45)SendIRdata(0x33);//
107 2 if(key==46)SendIRdata(0x34);//
108 2 }while(1);
109 1 }
110 //定时器0中断处理
111 void timeint(void) interrupt 1
112 {
113 1 TH0=0xFF;
114 1 TL0=0xE6; //设定时值为38K 也就是每隔26us中断一次
115 1 count++;
116 1
117 1 }
C51 COMPILER V8.08 MAIN 01/15/2008 19:44:27 PAGE 3
118
119
120 void SendIRdata(char p_irdata)
121 {
122 1 int i;
123 1 char irdata=p_irdata;
124 1
125 1 //发送9ms的起始码
126 1 endcount=223;
127 1 Flag=1;
128 1 count=0;
129 1 P3_4=0;
130 1 do{}while(count<endcount);
131 1
132 1 //发送4.5ms的结果码
133 1 endcount=117;
134 1 Flag=0;
135 1 count=0;
136 1 P3_4=1;
137 1 do{}while(count<endcount);
138 1
139 1 //发送十六位地址的前八位
140 1 irdata=iraddr1;
141 1 for(i=0;i<8;i++)
142 1 {
143 2
144 2 //先发送0.56ms的38KHZ红外波（即编码中0.56ms的低电平）
145 2 endcount=10;
146 2 Flag=1;
147 2 count=0;
148 2 P3_4=0;
149 2 do{}while(count<endcount);
150 2
151 2 //停止发送红外信号（即编码中的高电平）
152 2 if(irdata-(irdata/2)*2) //判断二进制数个位为1还是0
153 2 {
154 3 endcount=15; //1为宽的高电平
155 3 }
156 2 else
157 2 {
158 3 endcount=41; //0为窄的高电平
159 3 }
160 2 Flag=0;
161 2 count=0;
162 2 P3_4=1;
163 2 do{}while(count<endcount);
164 2
165 2 irdata=irdata>>1;
166 2 }
167 1
168 1 //发送十六位地址的后八位
169 1 irdata=iraddr2;
170 1 for(i=0;i<8;i++)
171 1 {
172 2 endcount=10;
173 2 Flag=1;
174 2 count=0;
175 2 P3_4=0;
176 2 do{}while(count<endcount);
177 2
178 2 if(irdata-(irdata/2)*2)
179 2 {
C51 COMPILER V8.08 MAIN 01/15/2008 19:44:27 PAGE 4
180 3 endcount=15;
181 3 }
182 2 else
183 2 {
184 3 endcount=41;
185 3 }
186 2 Flag=0;
187 2 count=0;
188 2 P3_4=1;
189 2 do{}while(count<endcount);
190 2
191 2 irdata=irdata>>1;
192 2 }
193 1
194 1 //发送八位数据
195 1 irdata=~p_irdata;
196 1 for(i=0;i<8;i++)
197 1 {
198 2 endcount=10;
199 2 Flag=1;
200 2 count=0;
201 2 P3_4=0;
202 2 do{}while(count<endcount);
203 2
204 2 if(irdata-(irdata/2)*2)
205 2 {
206 3 endcount=15;
207 3 }
208 2 else
209 2 {
210 3 endcount=41;
211 3 }
212 2 Flag=0;
213 2 count=0;
214 2 P3_4=1;
215 2 do{}while(count<endcount);
216 2
217 2 irdata=irdata>>1;
218 2 }
219 1
220 1 //发送八位数据的反码
221 1 irdata=p_irdata;
222 1 for(i=0;i<8;i++)
223 1 {
224 2 endcount=10;
225 2 Flag=1;
226 2 count=0;
227 2 P3_4=0;
228 2 do{}while(count<endcount);
229 2
230 2 if(irdata-(irdata/2)*2)
231 2 {
232 3 endcount=15;
233 3 }
234 2 else
235 2 {
236 3 endcount=41;
237 3 }
238 2 Flag=0;
239 2 count=0;
240 2 P3_4=1;
241 2 do{}while(count<endcount);
C51 COMPILER V8.08 MAIN 01/15/2008 19:44:27 PAGE 5
242 2
243 2 irdata=irdata>>1;
244 2 }
245 1
246 1 endcount=10;
247 1 Flag=1;
248 1 count=0;
249 1 P3_4=0;
250 1 do{}while(count<endcount);
251 1 P3_4=1;
252 1 Flag=0;
253 1 }
254
255 void delay()
256 {
257 1 int i,j;
258 1 for(i=0;i<400;i++)
259 1 {
260 2 for(j=0;j<100;j++)
261 2 {
262 3 }
263 2 }
264 1 }
265
266
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1062 ----
CONSTANT SIZE = ---- ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 7 1
IDATA SIZE = ---- ----
BIT SIZE = 1 ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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