131 lines
4.2 KiB
Plaintext
131 lines
4.2 KiB
Plaintext
C51 COMPILER V9.60.7.0 ONEWIRE 04/15/2025 20:33:28 PAGE 1
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C51 COMPILER V9.60.7.0, COMPILATION OF MODULE ONEWIRE
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OBJECT MODULE PLACED IN .\Objects\onewire.obj
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COMPILER INVOKED BY: C:\Users\ZBright\AppData\Local\Keil_v5\C51\BIN\C51.EXE ..\Driver\onewire.c OPTIMIZE(8,SPEED) BROWSE
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- INCDIR(..\Driver) DEBUG OBJECTEXTEND PRINT(.\Listings\onewire.lst) OBJECT(.\Objects\onewire.obj)
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line level source
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1 /* # 蜊墓ｻ郤ｿ莉｣遐∫援谿ｵ隸ｴ譏<EFBDB4>
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2 1. 譛ｬ譁<EFBDAC>ｻｶ螟ｹ荳ｭ謠蝉ｾ帷噪鬩ｱ蜉ｨ莉｣遐∽ｾ帛盾襍幃画焔螳梧<E89EB3>遞句ｺ剰ｮｾ隶｡蜿り<E3828A><EFBFBD>
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3 2. 蜿りｵ幃画焔蜿ｯ莉･閾ｪ陦檎ｼ門<EFBDBC>逶ｸ蜈ｳ莉｣遐∵<E98190>莉･隸･莉｣遐∽ｸｺ蝓ｺ遑<E98191>梧<EFBFBD>ｹ謐ｮ謇騾牙黒迚<E9BB92>惻邀ｻ蝙九∬ｿ
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-占｡碁溷ｺｦ蜥瑚ｯ暮｢<E69AAE>
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4 荳ｭ蟇ｹ蜊慕援譛ｺ譌ｶ髓滄｢醍紫逧<E7B4AB>ｦ∵ｱゑｼ瑚ｿ幄｡御ｻ｣遐∬ｰ<E288AC>ｯ募柱菫ｮ謾ｹ縲<EFBDB9>
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5 */
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6
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7 #include <onewire.h>
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8
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9 sbit DQ = P1^4;
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10
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11 //
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12 void Delay_OneWire(unsigned int t)
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13 {
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14 1 unsigned char i;
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15 1 while(t--){
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16 2 for(i=0;i<12;i++);
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17 2 }
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18 1 }
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19
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20 //
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21 void Write_DS18B20(unsigned char dat)
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22 {
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23 1 unsigned char i;
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24 1 for(i=0;i<8;i++)
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25 1 {
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26 2 DQ = 0;
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27 2 DQ = dat&0x01;
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28 2 Delay_OneWire(5);
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29 2 DQ = 1;
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30 2 dat >>= 1;
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31 2 }
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32 1 Delay_OneWire(5);
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33 1 }
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34
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35 //
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36 unsigned char Read_DS18B20(void)
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37 {
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38 1 unsigned char i;
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39 1 unsigned char dat;
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40 1
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41 1 for(i=0;i<8;i++)
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42 1 {
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43 2 DQ = 0;
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44 2 dat >>= 1;
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45 2 DQ = 1;
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46 2 if(DQ)
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47 2 {
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48 3 dat |= 0x80;
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49 3 }
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50 2 Delay_OneWire(5);
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51 2 }
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52 1 return dat;
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53 1 }
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C51 COMPILER V9.60.7.0 ONEWIRE 04/15/2025 20:33:28 PAGE 2
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54
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55 //
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56 bit init_ds18b20(void)
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57 {
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58 1 bit initflag = 0;
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59 1
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60 1 DQ = 1;
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61 1 Delay_OneWire(12);
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62 1 DQ = 0;
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63 1 Delay_OneWire(80);
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64 1 DQ = 1;
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65 1 Delay_OneWire(10);
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66 1 initflag = DQ;
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67 1 Delay_OneWire(5);
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68 1
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69 1 return initflag;
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70 1 }
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71
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72 float Tempr_Read()
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73 {
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74 1 unsigned char low;
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75 1 unsigned char high;
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76 1
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77 1 init_ds18b20();
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78 1 Write_DS18B20(0xcc);
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79 1 Write_DS18B20(0x44);
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80 1 Delay_OneWire(200);
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81 1
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82 1 init_ds18b20();
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83 1 Write_DS18B20(0xcc);
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84 1 Write_DS18B20(0xbe);
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85 1
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86 1 low = Read_DS18B20();
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87 1 high = Read_DS18B20();
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88 1
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89 1 return ((high << 8) | low) /16.0;
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90 1
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91 1 }
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92
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93
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94
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95
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96
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97
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98
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100
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101
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102
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103
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MODULE INFORMATION: STATIC OVERLAYABLE
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CODE SIZE = 180 ----
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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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IDATA SIZE = ---- ----
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BIT SIZE = ---- 1
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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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