📄 超声波发射程序.lst
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C51 COMPILER V8.01 砡蒧波发射程序 11/21/2006 21:22:30 PAGE 1
C51 COMPILER V8.01, COMPILATION OF MODULE 砡蒧波发射程序
OBJECT MODULE PLACED IN 超声波发射程序.OBJ
COMPILER INVOKED BY: d:\Keil\C51\BIN\C51.EXE 超声波发射程序.c BROWSE DEBUG OBJECTEXTEND
line level source
1 #include<reg52.h>
2 #include<intrins.h>
3 #define uchar unsigned char
4 #define uint unsigned int
5 #define ulong unsigned long
6
7 uint c;
8 ulong l,time;
9 char i=1,j=1,k=80;
10 char t,tp=10,ts,tg,lb,ls,lg,lsf,fh,cb,cs,cg;
11 sbit RW=P2^1;
12 sbit RS=P2^0;
13 sbit E=P2^2;
14 sbit rece=P3^3;
15 sbit tup=P1^1;
16 sbit tdown=P1^0;
17 sbit aj=P1^2;
18 sbit reset=P1^3;
19
20 sbit sg=P3^7;
21 sbit DQ=P3^5;
22 sbit ctl=P3^5;
23
24
25 void delay(uint i)
26 {while(i--);
27 1 }
28
29 //************液晶显示***************//
30
31 void writercom(uchar q)
32 {E=1;
33 1 RS=0;
34 1 RW=0;
35 1 P0=q;
36 1 E=0;
37 1 delay(20);
38 1 }
39
40 void writerdata(uchar o)
41 {
42 1 E=1;
43 1 RS=1;
44 1 RW=0;
45 1 P0=o;
46 1 E=0;
47 1 delay(20);
48 1 }
49
50 void writer_d(uchar *u)
51 {while(*u)
52 1 writerdata(*u++);
53 1 }
54
55 void xsinit(void)
C51 COMPILER V8.01 砡蒧波发射程序 11/21/2006 21:22:30 PAGE 2
56 {writercom(0x01);
57 1 writercom(0x38);//使用8位数据，显示两行，使用5*7的字型//
58 1 writercom(0x0c);//显示设置，不显示光标，字符不显闪琐//
59 1 writercom(0x06);//光标从左往右移，内容不移//
60 1
61 1 }
62
63 pdisplay()
64 {writercom(0x80);
65 1 writer_d("Press any key ");
66 1 writercom(0xba);
67 1 writer_d(" to continue...");
68 1 delay(2000);
69 1
70 1 }
71
72 bdisplay()
73 {writercom(0x80);
74 1 writer_d("Ultrasonic ");
75 1 writercom(0xba);
76 1 writer_d(" range finder");
77 1 delay(60000);
78 1 }
79
80 ipdisplay()
81 {writercom(0x80);
82 1 writer_d(" Please input ");
83 1 writercom(0xba);
84 1 writer_d("T(");
85 1 writerdata(0xdf);
86 1 writer_d("C) with K1,K2.");
87 1 delay(2000);
88 1 }
89
90
91
92 //*************超声波测距*************************//
93
94 void csbinit() //初始化程序，计数/定时器状态 //
95 {TMOD=0x12; //定时器1工作在定时方式1，定时器0工作在定时方式2//
96 1 IE=0x84; //中断设置//
97 1 TH0=244;
98 1 TL0=244;
99 1 }
100
101 void sen() //超声波发射程序//
102 {uchar times=0;
103 1 TR0=1;
104 1 TR1=1; //开定时器//
105 1 while(1)
106 1 {while(TF0==0);
107 2 sg=~sg;
108 2 times++; //翻转20次，发送10个脉冲信号的超声波//
109 2 TF0=0;
110 2 if(times==20)break;}
111 1 times=0;
112 1 }
113
114 csbdata()
115 {lb=l/1000000;
116 1 ls=l%1000000/100000;
117 1 lg=l%1000000%100000/10000;
C51 COMPILER V8.01 砡蒧波发射程序 11/21/2006 21:22:30 PAGE 3
118 1 lsf=l%1000000%100000%10000/1000;
119 1 if(lsf>=5)lg=lg+1;
120 1 }
121
122 rec()interrupt 2 using 2//接收中断程序//
123 {TR1=0;//关计数器//
124 1 ctl=0;
125 1 time=TH1*256+TL1; //算出t的值，t的单位为us//
126 1 l=time*c/2;
127 1 TH1=0;
128 1 TL1=0;
129 1 }
130
131 display1()
132 {
133 1 while(k--)
134 1 {ipdisplay();
135 2 if(tup==0||tdown==0||reset==0||aj==0){i=0;break;}
136 2 }
137 1 k=60;
138 1 while(k--)
139 1 {pdisplay();
140 2 if(tup==0||tdown==0||reset==0||aj==0){i=0;break;}
141 2 }
142 1 k=60;
143 1 }
144 measure()
145 {csbdata();
146 1 while(1)
147 1 {if(aj==1)break;}
148 1 ctl=0;
149 1 sen();
150 1 delay(200);
151 1 ctl=1;
152 1 }
153
154
155 display2()
156 {writercom(0x80);
157 1 writer_d("T:");
158 1 writerdata(fh);
159 1 writerdata(ts+0x30);
160 1 writerdata(tg+0x30);
161 1 writerdata(0xdf);
162 1 writer_d("C ");
163 1 writer_d("c=");
164 1 writerdata(cb+0x30);
165 1 writerdata(cs+0x30);
166 1 writerdata(cg+0x30);
167 1 writer_d("m/s");
168 1 while(i)
169 1 {while(k--)
170 2 {writercom(0xba);
171 3 writer_d("Press K3 measure");
172 3 if(aj==0){i=0;break;}
173 3 delay(2000);}
174 2 k=20;
175 2 while(k--)
176 2 {writercom(0xba);
177 3 writer_d(" ");
178 3 if(aj==0){i=0;break;}
179 3 delay(2000);}
C51 COMPILER V8.01 砡蒧波发射程序 11/21/2006 21:22:30 PAGE 4
180 2 k=20;
181 2 }
182 1 i=1;
183 1 measure();
184 1 delay(2000);
185 1 csbdata();
186 1 writercom(0x80);
187 1 if(l<=360000)writer_d("too near! ");
188 1 else if(TH1>=93)writer_d("too long! ");
189 1 else {csbdata();
190 2 writer_d("L=");
191 2 writerdata(lb+0x30);
192 2 writerdata('.');
193 2 writerdata(ls+0x30);
194 2 writerdata(lg+0x30);
195 2 writer_d("m ");
196 2 writer_d("T:");
197 2 writerdata(fh);
198 2 writerdata(ts+0x30);
199 2 writerdata(tg+0x30);
200 2 writerdata(0xdf);
201 2 writer_d("C ");
202 2 }
203 1 while(i)
204 1 {writercom(0xba);
205 2 writer_d("Press K4 again..");
206 2 if(tup==0&&tdown==0){j=0;break;}
207 2 if(reset==0){i=0;break;}
208 2
209 2 }
210 1 }
211 //***************温度输入程序**************//
212 iptemp()
213 {while(1)
214 1 {if(t<0){fh=0x2d;t=~t+1;}
215 2 else{fh=0x20;}
216 2 ts=t/10;
217 2 tg=t%10;
218 2 writercom(0x80);
219 2 writer_d(" T:");
220 2 writerdata(fh);
221 2 writerdata(ts+0x30);
222 2 writerdata(tg+0x30);
223 2 writerdata(0xdf);
224 2 writer_d("C ");
225 2 if(tup==0){tp++;if(tp>=99)tp=99;}
226 2 delay(7000);
227 2 if(tdown==0){tp--;if(tp<=(-30))tp=(-30);}
228 2 t=tp;
229 2 delay(7000);
230 2 writercom(0xba);
231 2 writer_d("Press K4 finish ");
232 2 if(reset==0)break;
233 2 }
234 1 }
235 //********声速处理程序************************//
236 sscl()
237 {c=340;
238 1
239 1 cb=c/100;
240 1 cs=c%100/10;
241 1 cg=c%100%10;
C51 COMPILER V8.01 砡蒧波发射程序 11/21/2006 21:22:30 PAGE 5
242 1 }
243
244 //***************主程序***************//
245 main()
246 {while(1)
247 1 {xsinit();
248 2 csbinit();
249 2 bdisplay();
250 2 bdisplay();
251 2 bdisplay();
252 2 bdisplay();
253 2 bdisplay();
254 2 ipdisplay();
255 2 ipdisplay();
256 2 while(i)
257 2 {display1();
258 3 }
259 2 i=1;
260 2 delay(20000);
261 2 iptemp(); //调温度输入函数//
262 2 sscl();
263 2 delay(20000);
264 2 while(j)
265 2 {display2();
266 3 i=1;
267 3
268 3 }
269 2 j=1;
270 2 delay(60000);
271 2 }
272 1 }
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 1260 ----
CONSTANT SIZE = 236 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = 25 3
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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