📄 us100test.lst
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C51 COMPILER V7.06 US100TEST 12/27/2010 10:30:28 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 unsigned char LastRcvData;
25 unsigned char GLengthHigh, GLengthLow, GTempera;
26 unsigned char RcvIndex;
27
28 void UART_ISR(void) interrupt 4
29 {
30 1 RI = 0; // clear receive interrupt flag
31 1 LastRcvData=SBUF; // copy input bufffer to ch
32 1 if(RcvIndex == 0)
33 1 {
34 2 GLengthHigh = LastRcvData;
35 2 RcvIndex++;
36 2 }
37 1 else if(RcvIndex == 1)
38 1 {
39 2 GLengthLow = LastRcvData;
40 2 RcvIndex = 150;
41 2 }
42 1 else if(RcvIndex == 100)
43 1 {
44 2 GTempera = LastRcvData;
45 2 RcvIndex++;
46 2 }
47 1 }
48
49 void UARTSnd(unsigned char dat)
50 {
51 1
52 1 TI=0; // clear transmit interrupt flag
53 1 SBUF=dat; // start sending one byte
54 1 while (!TI); // wait until sent
55 1
C51 COMPILER V7.06 US100TEST 12/27/2010 10:30:28 PAGE 2
56 1 }
57
58
59 void UART_init()
60 {
61 1 SCON=0x50; // select BRG as UART Baud Rate Gen
62 1 SSTAT=0x60; // separate Rx / Tx interrupts
63 1 BRGR0=0xF0; // setup BRG for 9600 baud @ 7.373MHz internal RC oscillator
64 1 BRGR1=0x02;
65 1 //BRGR0=0x70; // setup BRG for 9600 baud @ 12MHz external Crystal
66 1 // BRGR1=0x04;
67 1 BRGCON = 0x03; // enable BRG
68 1
69 1 P1M1 = 0x00; //push pull except RX
70 1 P1M2 = 0xFD;
71 1 ES = 1; // enable UART interrupt
72 1 EA = 1;
73 1
74 1 RcvIndex = 0;
75 1 }
76
77 unsigned char GetPreMode()//1: Trig mode, 2:UART Length, 3:UART Temperature
78 {
79 1 P2M1 |= 0X07;
80 1 P2M2 &= 0XF8;
81 1
82 1 Delay1Ms();//UARTSnd(tempa);
83 1
84 1 if(Trig_Mode == 0)
85 1 return 1;
86 1 if(UART_Mode == 0)
87 1 return 2;
88 1 if(UART_TEMP == 0)
89 1 return 3;
90 1 return 0;
91 1 }
92
93
94
95 void InitIOPort()
96 {
97 1 // P0M1 = 0XFF //p0口设为输入。
98 1 P0M1 = 0;//P0口设为双向口，可输入输出
99 1 P0M2 = 0;//P0口设为双向口，可输入输出
100 1
101 1 P2M1 &= 0X0F;//P2口的P2.5，P2.6，P2.7设为双向口，可输入输出
102 1 P2M2 &= 0X0F;//P2口的P2.5，P2.6，P2.7设为双向口，可输入输出
103 1 }
104
105
106 void DisplayLED(unsigned char LEDid, unsigned char Value, unsigned char Isdot)
107 {
108 1 unsigned char tempa, tempb;
109 1 unsigned char tempc, tempd;
110 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, -.
111 1
112 1 tempa = 1;
113 1 tempa <<= (LEDid-1);
114 1 if(Value >= 11)//value should little than 10
115 1 Value = 0;
116 1 tempb = NumValue[Value];
C51 COMPILER V7.06 US100TEST 12/27/2010 10:30:28 PAGE 3
117 1 if(Isdot == 0)
118 1 tempb += 0X80;
119 1
120 1 //begin output
121 1 tempd = 0X80;
122 1 for(tempc = 0; tempc < 8; tempc++)
123 1 {
124 2 SCK_SHBit = 0;
125 2 SCK_SHBit = 0;
126 2 DIO_DS = (tempa&tempd);
127 2 SCK_SHBit = 1;
128 2 SCK_SHBit = 1;
129 2 tempd >>= 1;
130 2 }
131 1
132 1 tempd = 0X80;
133 1 for(tempc = 0; tempc < 8; tempc++)
134 1 {
135 2 SCK_SHBit = 0;
136 2 SCK_SHBit = 0;
137 2 DIO_DS = (tempb&tempd);
138 2 SCK_SHBit = 1;
139 2 SCK_SHBit = 1;
140 2 tempd >>= 1;
141 2 }
142 1
143 1 RCK_STMM = 0;
144 1 RCK_STMM = 0;
145 1 RCK_STMM = 0;
146 1 RCK_STMM = 0;
147 1 RCK_STMM = 1;
148 1 RCK_STMM = 1;
149 1 RCK_STMM = 1;
150 1 RCK_STMM = 1;
151 1 //Delay1Ms();
152 1 }
153
154 void DisplayLength(unsigned long number)
155 {
156 1 unsigned char Thousand, Hundred, Decade, Unit;
157 1 if(number > 9999)
158 1 number = 0;
159 1 Thousand = number/1000;
160 1
161 1 number = number%1000;
162 1 Hundred = number/100;
163 1
164 1 number = number%100;
165 1 Decade = number/10;
166 1
167 1 Unit = number%10;
168 1
169 1 DisplayLED(1, Thousand, 0);
170 1 DisplayLED(2, Hundred, 0);
171 1 DisplayLED(3, Decade, 0);
172 1 DisplayLED(4, Unit, 0);
173 1 }
174
175 void DisplayTemperature(unsigned char tempa)
176 {
177 1 unsigned char Decade, Unit;
178 1 unsigned char FlagPosi;
C51 COMPILER V7.06 US100TEST 12/27/2010 10:30:28 PAGE 4
179 1 if(tempa >= 45)
180 1 {
181 2 tempa -= 45;
182 2 FlagPosi = 1;
183 2 }
184 1 else
185 1 {
186 2 tempa = 45-tempa;
187 2 FlagPosi = 0;
188 2 }
189 1
190 1 if(tempa > 99)
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