以前做的一个实验，用adxl345测出三个方向的加速度，再用zigbee把数据传输到上位机。本实验使用了最傻瓜的ZIGBEE透传模式（无视接收方身份，应该是广播吧），同时也最大限度地浪费了cc2530内置的8051 {:soso_e128:}
- #include <Wire.h> //调用arduino自带的I2C库
- #define Register_ID 0
- #define Register_2D 0x2D
- #define Register_X0 0x32
- #define Register_X1 0x33
- #define Register_Y0 0x34
- #define Register_Y1 0x35
- #define Register_Z0 0x36
- #define Register_Z1 0x37
- int ADXAddress = 0xA7>>1; //转换为7位地址
- int reading = 0;
- int val = 0;
- int X0,X1,X_out;
- int Y0,Y1,Y_out;
- int Z1,Z0,Z_out;
- double Xg,Yg,Zg;
- void setup()
- {
- Serial.begin(38400); //ZigBee
- delay(100);
- Wire.begin(); //初始化I2C
- delay(100);
- Wire.beginTransmission(ADXAddress);
- Wire.send(Register_2D);
- Wire.send(8);
- Wire.endTransmission();
- }
- void loop()
- {
- Wire.beginTransmission(ADXAddress);
- Wire.send(Register_X0);
- Wire.send(Register_X1);
- Wire.endTransmission();
- Wire.requestFrom(ADXAddress,2);
- if(Wire.available()<=2);
- {
- X0 = Wire.receive();
- X1 = Wire.receive();
- X1 = X1<<8;
- X_out = X0+X1;
- }
-
- Wire.beginTransmission(ADXAddress);
- Wire.send(Register_Y0);
- Wire.send(Register_Y1);
- Wire.endTransmission();
- Wire.requestFrom(ADXAddress,2);
- if(Wire.available()<=2);
- {
- Y0 = Wire.receive();
- Y1 = Wire.receive();
- Y1 = Y1<<8;
- Y_out = Y0+Y1;
- }
-
- Wire.beginTransmission(ADXAddress);
- Wire.send(Register_Z0);
- Wire.send(Register_Z1);
- Wire.endTransmission();
- Wire.requestFrom(ADXAddress,2);
- if(Wire.available()<=2);
- {
- Z0 = Wire.receive();
- Z1 = Wire.receive();
- Z1 = Z1<<8;
- Z_out = Z0+Z1;
- }
- //
- Xg = X_out/256.00;//把输出结果转换为重力加速度g,精确到小数点后2位。
- Yg = Y_out/256.00;
- Zg = Z_out/256.00;
- Serial.println(Xg);
- Serial.println(Yg);
- Serial.println(Zg);
- Serial.println('---------------------'); //
- delay(700); //延时0.7秒，刷新频率这里进行调整
- }
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发表于 2013-4-7 20:47:57
发表于 2013-4-8 08:32:46
楼主
