arduino通过串口控制空调

zhaopengxslc

1. #include <SoftwareSerial.h>
   
2. 
   
3. //Infrared communation infomation
   
4. byte InfrInitStart[]={0xAA,0xAA,0x08,0x08,0x00};
   
5. byte InfrInitEnd[]={0xCC,0xCC,0x08,0x08,0x00};
   
6. byte AirConVerion[]={0x02,0x00,0x2C,0x08,0x26};
   
7. //fit the air condition type code 0x2C is 044 (meidi KFR-72LW)
   
8. //if you want to control another air condition , you should change 0x2c
   
9. byte AirConTrunOn[]={0x04,0xff,0x08,0x08,0xfb};
   
10. byte AirConTurnOff[]={0x04,0x00,0x08,0x08,0x04};
    
11. 
    
12. //use pin 6 as receivepin and use pin  as transmitpin
    
13. SoftwareSerial serial(6,7);
    
14. 
    
15. void setup() {
    
16.   // put your setup code here, to run once:
    
17.   serial.begin(9600);
    
18.   Serial.begin(9600);
    
19.   Serial.println("use softserial");
    
20.   
    
21.    delay(1000);  
    
22.   //Initialize the infrared mode start
    
23.   serial.write(InfrInitStart,5);
    
24.   if(checkRespondeCode())
    
25.   {
    
26.   //Initialize the infread mode end
    
27.     serial.write(InfrInitEnd,5);
    
28.   }
    
29.   else
    
30.   {
    
31.     exit(0);
    
32.   }
    
33.   if(checkRespondeCode())
    
34.   {
    
35.    //set the air condition mode version
    
36.      serial.write(AirConVerion,5);
    
37.   }  
    
38.   else
    
39.   {
    
40.     exit(1);
    
41.   }
    
42.   if(checkRespondeCode()==false)
    
43.   {
    
44.     exit(2);
    
45.   }
    
46.   
    
47.   
    
48. }
    
49. 
    
50. void loop() {
    
51.   // put your main code here, to run repeatedly:
    
52. delay(5000);
    
53.   //turn on the air condition
    
54.   serial.write(AirConTrunOn,5);
    
55.   Serial.println("0x04,0xff,0x08,0x08,0xfb");
    
56.   //turn off the air condition  
    
57.   delay(5000);
    
58.   serial.write(AirConTurnOff,5);
    
59.   Serial.println("0x04,0x00,0x08,0x08,0x04");
    
60.   while(true)
    
61.   {}
    
62. }
    
63. 
    
64. boolean checkRespondeCode()
    
65. {
    
66.   byte RXData;
    
67.   delay(1000);
    
68.   //Serial.println("check response code");
    
69.   if(serial.available())
    
70.   {
    
71.     delay(200);
    
72.     RXData=serial.read();
    
73.     //Serial.println(RXData,HEX);
    
74.     if(RXData==0x89)
    
75.     {
    
76.       //serial.println();
    
77.       Serial.println("xiang ying 89");
    
78.       return true;
    
79.     }
    
80.     else
    
81.     {
    
82.       Serial.println(RXData,HEX);
    
83.     }
    
84.   }
    
85.   Serial.println("no xiang ying");
    
86.   return false;
    
87. }

复制代码

以上是代码，实验成功。有问题的可以询问

瘦网虫

空调上有串口吗？配个图吧。

wxws

这是用软件串口来发射红外信号

wxws

载波用串口10变化来实现的。

zhaopengxslc

瘦网虫 发表于 2014-9-9 09:19
空调上有串口吗？配个图吧。

串口与红外模块通信 发送二进制数据

zhaopengxslc

wxws 发表于 2014-9-9 10:18
这是用软件串口来发射红外信号

是的 避免与0 1端口的冲突

ardyPro

发的是NEC码吗？

//fit the air condition type code 0x2C is 044 (meidi KFR-72LW)

这句里面的type是怎么得到的？