73 lines
2.3 KiB
Plaintext
73 lines
2.3 KiB
Plaintext
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C51 COMPILER V9.60.7.0 UL 03/10/2025 18:03:55 PAGE 1
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C51 COMPILER V9.60.7.0, COMPILATION OF MODULE UL
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OBJECT MODULE PLACED IN .\Objects\ul.obj
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COMPILER INVOKED BY: D:\Keil_v5\C51\BIN\C51.EXE ..\driver\ul.c OPTIMIZE(8,SPEED) BROWSE INCDIR(..\driver;..\user) DEBUG
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-OBJECTEXTEND PRINT(.\Listings\ul.lst) TABS(2) OBJECT(.\Objects\ul.obj)
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line level source
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1 #include "ul.h"
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2
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3 #include "intrins.h"
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4 sbit Tx = P1 ^ 0;
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5 sbit Rx = P1 ^ 1;
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6 void Delay12us(void) //@12.000MHz
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7 {
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8 1 unsigned char data i;
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9 1
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10 1 _nop_();
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11 1 _nop_();
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12 1 i = 33; // 38
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13 1 while (--i);
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14 1 }
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15 void Ut_Wave_Init() {
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16 1 unsigned char i;
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17 1 for (i = 0; i < 8; i++) {
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18 2 Tx = 1;
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19 2 Delay12us();
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20 2 Tx = 0;
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21 2 Delay12us();
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22 2 }
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23 1 }
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24 unsigned char Ut_Wave_Data() {
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25 1 unsigned int time;
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26 1 CH = CL = 0;
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27 1 CMOD = 0x00;
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28 1
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29 1 EA = 0;
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30 1 Ut_Wave_Init();
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31 1 EA = 1;
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32 1
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33 1 CR = 1;
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34 1 while (Rx && !CF);
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35 1 CR = 0;
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36 1 if (!CF) { // us -> s 10^(-6)
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37 2 // m -> cm 10^2
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38 2 // 10^(-4)
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39 2 // L = V*T/2=340*time/2=170*10^(-4)*time=0.017*time
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40 2 time = CH << 8 | CL;
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41 2 return (0.017 * time + 3);
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42 2 } else {
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43 2 CF = 0;
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44 2 return 0;
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45 2 }
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46 1 }
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 94 ----
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CONSTANT SIZE = ---- ----
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XDATA SIZE = ---- ----
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PDATA SIZE = ---- ----
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DATA SIZE = ---- ----
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C51 COMPILER V9.60.7.0 UL 03/10/2025 18:03:55 PAGE 2
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IDATA SIZE = ---- ----
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BIT SIZE = ---- ----
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END OF MODULE INFORMATION.
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C51 COMPILATION COMPLETE. 0 WARNING(S), 0 ERROR(S)
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