📄 us100test.lst
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C51 COMPILER V7.06 US100TEST 12/27/2010 10:35:52 PAGE 1
C51 COMPILER V7.06, COMPILATION OF MODULE US100TEST
OBJECT MODULE PLACED IN US100Test.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE US100Test.c BROWSE DEBUG OBJECTEXTEND
stmt level source
1
2 #include "US100Test.h"
3
4 void Delay1Ms(void);
5 void Delay5Ms(void);
6 void Delay400Ms(void);
7
8 void UART_ISR(void);
9 void UARTSnd(unsigned char dat);
10 void UART_init();
11 void init(void);
12
13 sbit RCK_STMM = P2^7;
14 sbit DIO_DS = P2^6;
15 sbit SCK_SHBit = P2^5;
16
17 sbit Trig_Mode = P2^0;
18 sbit UART_Mode = P2^1;
19 sbit UART_TEMP = P2^2;
20
21 sbit Trig_Pin = P1^7;
22 sbit Echo_Pin = P1^6;
23
24 void InitIOPort()
25 {
26 1 // P0M1 = 0XFF //p0口设为输入。
27 1 P0M1 = 0;//P0口设为双向口，可输入输出
28 1 P0M2 = 0;//P0口设为双向口，可输入输出
29 1
30 1 P2M1 &= 0X0F;//P2口的P2.5，P2.6，P2.7设为双向口，可输入输出
31 1 P2M2 &= 0X0F;//P2口的P2.5，P2.6，P2.7设为双向口，可输入输出
32 1 }
33
34
35 void DisplayLED(unsigned char LEDid, unsigned char Value, unsigned char Isdot)
36 {
37 1 unsigned char tempa, tempb;
38 1 unsigned char tempc, tempd;
39 1 const unsigned char NumValue[11] = {0X40, 0X79, 0X24, 0X30, 0X19, 0X12, 0X02, 0X78, 0X00, 0X10, 0X3F};//0
-, 1, 2, 3, 4, 5, 6, 7, 8, 9, -.
40 1
41 1 tempa = 1;
42 1 tempa <<= (LEDid-1);
43 1 if(Value >= 11)//value should little than 10
44 1 Value = 0;
45 1 tempb = NumValue[Value];
46 1 if(Isdot == 0)
47 1 tempb += 0X80;
48 1
49 1 //begin output
50 1 tempd = 0X80;
51 1 for(tempc = 0; tempc < 8; tempc++)
52 1 {
53 2 SCK_SHBit = 0;
54 2 SCK_SHBit = 0;
C51 COMPILER V7.06 US100TEST 12/27/2010 10:35:52 PAGE 2
55 2 DIO_DS = (tempa&tempd);
56 2 SCK_SHBit = 1;
57 2 SCK_SHBit = 1;
58 2 tempd >>= 1;
59 2 }
60 1
61 1 tempd = 0X80;
62 1 for(tempc = 0; tempc < 8; tempc++)
63 1 {
64 2 SCK_SHBit = 0;
65 2 SCK_SHBit = 0;
66 2 DIO_DS = (tempb&tempd);
67 2 SCK_SHBit = 1;
68 2 SCK_SHBit = 1;
69 2 tempd >>= 1;
70 2 }
71 1
72 1 RCK_STMM = 0;
73 1 RCK_STMM = 0;
74 1 RCK_STMM = 0;
75 1 RCK_STMM = 0;
76 1 RCK_STMM = 1;
77 1 RCK_STMM = 1;
78 1 RCK_STMM = 1;
79 1 RCK_STMM = 1;
80 1 //Delay1Ms();
81 1 }
82
83 void DisplayLength(unsigned long number)
84 {
85 1 unsigned char Thousand, Hundred, Decade, Unit;
86 1 if(number > 9999)
87 1 number = 0;
88 1 Thousand = number/1000;
89 1
90 1 number = number%1000;
91 1 Hundred = number/100;
92 1
93 1 number = number%100;
94 1 Decade = number/10;
95 1
96 1 Unit = number%10;
97 1
98 1 DisplayLED(1, Thousand, 0);
99 1 DisplayLED(2, Hundred, 0);
100 1 DisplayLED(3, Decade, 0);
101 1 DisplayLED(4, Unit, 0);
102 1 }
103
104
105 unsigned long MeterByTrig()
106 {
107 1 unsigned char tempa;
108 1 unsigned char IsOverFlow;
109 1 unsigned long PresentTime, tempb;
110 1 IsOverFlow = 0;
111 1
112 1 //Delay1Ms();
113 1
114 1 P1M1 &= 0X7F;
115 1 P1M2 &= 0X7F;
116 1
C51 COMPILER V7.06 US100TEST 12/27/2010 10:35:52 PAGE 3
117 1 P1M1 |= 0X40;
118 1 P1M2 &= 0XBF;
119 1
120 1
121 1 //Timer Init
122 1 TMOD = 0X11;
123 1 TAMOD = 0X00;
124 1 TCON = 0X00;
125 1 TH1 = 0;
126 1 TL1 = 0;
127 1
128 1 Trig_Pin = 0;
129 1 for(tempa = 0; tempa < 10; tempa++)
130 1 {
131 2 Trig_Pin = 1;
132 2 }
133 1 Trig_Pin = 0;
134 1
135 1 while(1)
136 1 {
137 2 if(Echo_Pin == 1)
138 2 {//Start Timer;
139 3 TCON = 0X40;//start timer
140 3 break;
141 3 }
142 2 if(TCON&0X80)
143 2 {
144 3 IsOverFlow = 1;
145 3 break;//overflow;
146 3 }
147 2 }
148 1
149 1 while(1)
150 1 {
151 2 if(Echo_Pin == 0)
152 2 {//Stop Timer;
153 3 TCON = 0X00;
154 3 break;
155 3 }
156 2 if(TCON&0X80)
157 2 {
158 3 IsOverFlow = 1;
159 3 break;//overflow;
160 3 }
161 2 }
162 1
163 1 // unsigned long PresentTime, tempb;
164 1 PresentTime = TH1;
165 1 PresentTime <<= 0X08;
166 1 PresentTime += TL1;
167 1
168 1 tempb = PresentTime/137;
169 1 PresentTime /= 7;//*3
170 1
171 1 PresentTime -= tempb;//time, us
172 1
173 1 tempb = PresentTime/150;
174 1 PresentTime /= 3;
175 1 PresentTime += tempb;
176 1 //Delay1Ms();
177 1 return PresentTime;
178 1 }
C51 COMPILER V7.06 US100TEST 12/27/2010 10:35:52 PAGE 4
179
180 void main(void)
181 {
182 1 unsigned char tempa;
183 1 unsigned long PreLength;
184 1
185 1 InitIOPort();
186 1
187 1 while(1)
188 1 {
189 2 PreLength = MeterByTrig();
190 2 for(tempa = 0; tempa < 200; tempa++)
191 2 {
192 3 DisplayLength(PreLength);
193 3 }
194 2 }
195 1 }
196
197
198 //1ms延时
199 void Delay1Ms(void)
200 {
201 1 unsigned long TempCyc = 90;//36865;//5552;
202 1 while(TempCyc--);
203 1 }
204 //5ms延时
205 void Delay5Ms(void)
206 {
207 1 unsigned long TempCyc = 460;//36865;//5552;
208 1 while(TempCyc--);
209 1 }
210
211 //400ms延时
212 void Delay400Ms(void)
213 {
214 1 unsigned char TempCycA = 80;//5;
215 1 unsigned long TempCycB;
216 1 while(TempCycA--)
217 1 {
218 2 TempCycB=460;//50000; //7269;
219 2 while(TempCycB--);
220 2 };
221 1
222 1 }
223
224
MODULE INFORMATION: STATIC OVERLAYABLE
CODE SIZE = 752 ----
CONSTANT SIZE = 11 ----
XDATA SIZE = ---- ----
PDATA SIZE = ---- ----
DATA SIZE = ---- 47
IDATA SIZE = ---- ----
BIT SIZE = ---- ----
END OF MODULE INFORMATION.
C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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