boolean x=true; //是否调试输出//CD4053的接入方式
//INH口接地 aY->SCL1 bY->SCL2 cY->SCL3 a.b.c->SCL_Arduino#define CD4053_C 10
#define CD4053_B 9
#define CD4053_A 8//----------1
//CBA 000 不接通
//CBA 100 C接通
//CBA 010 B接通
//CBA 001 A接通//----------2//PIN
#define PIN_SDA 20
#define PIN_SCL 21//I2C (sparkfun breakout)
#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#include <Wire.h>
int ADXAddress = 0x53; // the default 7-bit slave address
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;
int flag=1; //标志变量void Wire_Start(){
Wire.beginTransmission(ADXAddress);
Wire.write(Register_2D);
Wire.write(8); //measuring enable
Wire.endTransmission(); // stop transmitting
}void Wire_Get(){//--------------XWire.beginTransmission(ADXAddress); // transmit to deviceWire.write(Register_X0);Wire.write(Register_X1);Wire.endTransmission();Wire.requestFrom(ADXAddress,2);if(Wire.available()<=2){X0 = Wire.read();X1 = Wire.read();X1=X1<<8;X_out=X0+X1;}//------------------YWire.beginTransmission(ADXAddress); // transmit to deviceWire.write(Register_Y0);Wire.write(Register_Y1);Wire.endTransmission();Wire.requestFrom(ADXAddress,2);if(Wire.available()<=2){Y0 = Wire.read();Y1 = Wire.read();Y1=Y1<<8;Y_out=Y0+Y1;}//------------------ZWire.beginTransmission(ADXAddress); // transmit to deviceWire.write(Register_Z0);Wire.write(Register_Z1);Wire.endTransmission();Wire.requestFrom(ADXAddress,2);if(Wire.available()<=2){Z0 = Wire.read();Z1 = Wire.read();Z1=Z1<<8;Z_out=Z0+Z1;}//----------------Xg=X_out/256.0;Yg=Y_out/256.0;Zg=Z_out/256.0;
}void setup()
{Wire.begin();if(x)Serial.begin(9600);delay(100);pinMode(CD4053_A,OUTPUT);pinMode(CD4053_B,OUTPUT);pinMode(CD4053_C,OUTPUT);// enable to measute g data
digitalWrite(CD4053_A,HIGH);digitalWrite(CD4053_B,LOW);digitalWrite(CD4053_C,LOW);delay(10);Wire_Start(); //初始化模块1
digitalWrite(CD4053_A,LOW);digitalWrite(CD4053_B,HIGH);delay(10);Wire_Start(); //初始化模块2
digitalWrite(CD4053_B,LOW);digitalWrite(CD4053_C,HIGH);delay(10);Wire_Start(); //初始化模块3

}
void loop()
{if(x){Serial.print("----");Serial.print((flag+0));Serial.println("----");}switch(flag){case 1: {digitalWrite(CD4053_A,HIGH);digitalWrite(CD4053_C,LOW);Wire_Get(); //读取模块1flag=2;break;}case 2:{digitalWrite(CD4053_B,HIGH);digitalWrite(CD4053_A,LOW);Wire_Get(); //读取模块2flag=3;break;}case 3:{digitalWrite(CD4053_C,HIGH);digitalWrite(CD4053_B,LOW);Wire_Get(); //读取模块3flag=1;break;}}if(x)　　{Serial.print("X= ");Serial.print(Xg);Serial.print(" ");Serial.print("Y= ");Serial.print(Yg);Serial.print(" ");Serial.print("Z= ");Serial.println(Zg);}delay(33); //改变参数可以改变读取频率
}