小米加OTG加PL2303加山寨Arduino加18B20

hxpasd

1. 
   
2. <P>#include <OneWire.h>
   
3. 
   
4. // OneWire DS18S20, DS18B20, DS1822 Temperature Example
   
5. //
   
6. // http://www.pjrc.com/teensy/td_libs_OneWire.html
   
7. //
   
8. // The DallasTemperature library can do all this work for you!
   
9. // http://milesburton.com/Dallas_Temperature_Control_Library
   
10. 
    
11. OneWire ds(2); // on pin 10
    
12. 
    
13. void setup(void)
    
14. {
    
15.     Serial.begin(9600);
    
16.     //pinMode(2,OUTPUT);
    
17.     //digitalWrite(2,HIGH);
    
18. }
    
19. 
    
20. void loop(void)
    
21. {
    
22.     byte i;
    
23.     byte present = 0;
    
24.     byte type_s;
    
25.     byte data[12];
    
26.     byte addr[8];
    
27.     float celsius, fahrenheit;
    
28. 
    
29.     if ( !ds.search(addr))
    
30.     {
    
31.         Serial.println("No more addresses.");
    
32.         Serial.println();
    
33.         ds.reset_search();
    
34.         delay(250);
    
35.         return;
    
36.      }
    
37. 
    
38.     Serial.print("ROM =");
    
39.     for( i = 0; i < 8; i++)
    
40.    {
    
41.         Serial.write(' ');
    
42.         Serial.print(addr[i], HEX);
    
43.    }
    
44. 
    
45.    if (OneWire::crc8(addr, 7) != addr[7])
    
46.   {
    
47.      Serial.println("CRC is not valid!");
    
48.      return;
    
49.   }
    
50.    Serial.println();
    
51. 
    
52.   // the first ROM byte indicates which chip
    
53.   switch (addr[0])
    
54. {
    
55.     case 0x10:
    
56.     Serial.println(" Chip = DS18S20"); // or old DS1820
    
57.     type_s = 1;
    
58.     break;
    
59.     case 0x28:
    
60.     Serial.println(" Chip = DS18B20");
    
61.     type_s = 0;
    
62.     break;
    
63.     case 0x22:
    
64.     Serial.println(" Chip = DS1822");
    
65.     type_s = 0;
    
66.     break;
    
67.     default:
    
68.     Serial.println("Device is not a DS18x20 family device.");
    
69.     return;
    
70. }
    
71. 
    
72.    ds.reset();
    
73.   ds.select(addr);
    
74.   ds.write(0x44,1); // start conversion, with parasite power on at the end
    
75. 
    
76.   delay(2000); // maybe 750ms is enough, maybe not
    
77.   // we might do a ds.depower() here, but the reset will take care of it.
    
78. 
    
79.   present = ds.reset();
    
80.   ds.select(addr);
    
81.   ds.write(0xBE); // Read Scratchpad
    
82. 
    
83.   Serial.print(" Data = ");
    
84.   Serial.print(present,HEX);
    
85.   Serial.print(" ");
    
86.   for ( i = 0; i < 9; i++)
    
87. {</P>
    
88. <P>    // we need 9 bytes
    
89.    data[i] = ds.read();
    
90.    Serial.print(data[i], HEX);
    
91.    Serial.print(" ");
    
92. }
    
93.   Serial.print(" CRC=");
    
94.   Serial.print(OneWire::crc8(data, 8), HEX);
    
95.   Serial.println();
    
96. 
    
97. </P>
    
98. <P>  // convert the data to actual temperature
    
99. 
    
100.   unsigned int raw = (data[1] << 8) | data[0];
     
101.   if (type_s)
     
102.   {
     
103.      raw = raw << 3; // 9 bit resolution default
     
104.      if (data[7] == 0x10)
     
105.      {
     
106.         // count remain gives full 12 bit resolution
     
107.          raw = (raw & 0xFFF0) + 12 - data[6];
     
108.       }
     
109.   } </P>
     
110. <P>    else
     
111.    {
     
112.         byte cfg = (data[4] & 0x60);
     
113.         if (cfg == 0x00) raw = raw << 3; // 9 bit resolution, 93.75 ms
     
114.         else if (cfg == 0x20) raw = raw << 2; // 10 bit res, 187.5 ms
     
115.         else if (cfg == 0x40) raw = raw << 1; // 11 bit res, 375 ms
     
116.         // default is 12 bit resolution, 750 ms conversion time
     
117.    }
     
118.       celsius = (float)raw / 16.0;
     
119.       fahrenheit = celsius * 1.8 + 32.0;
     
120.       Serial.print(" Temperature = ");
     
121.       Serial.print(celsius);
     
122.       Serial.print(" Celsius, ");
     
123.       Serial.print(fahrenheit);
     
124.       Serial.println(" Fahrenheit");
     
125. }</P>

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topdog

沙发抢到了！

maxims

这个，是高级货

kingone

高手救命，如何把arduino中的float数据通过串口，传到processing中，并还原为float？？？？？

fuwen0202

这个apk是什么诶

hxpasd

fuwen0202 发表于 2013-11-17 13:24
这个apk是什么诶

串口调试工具。

hxpasd

kingone 发表于 2013-11-17 11:45
高手救命，如何把arduino中的float数据通过串口，传到processing中，并还原为float？？？？？

我是纯手艺人，程序不行。我是手艺加百度。

茕兔

PL2303插手机不需要驱动么？

一墙一别院

楼主可以上传你的手机端的程序apk文件吗，找了好几个都是蓝牙串口，或者发到我的邮箱[email protected]，十分感谢！

fuwen0202

呃，小米otg的串口号是啥。。4