🔍 解决Sharp GP2Y1010AU0F空气质量传感器数据异常问题！🚀

大家有谁玩过Sharp GP2Y1010AU0F 空气质量传感器呢？我现在遇到一个问题，我用面包板把紫外线，空气质量，温湿度，大气压传感器和uno全部连在了一起，想同时得到当前环境下的这些数据，现在问题来了，其他传感器都正常，就是空气传感得到的这行数据显示不正常，只有把独立的空气质量程序写进去，数据才能正常。。。
空气传感器问题图1

下面是代码，温湿度和大气压都用的I2C总线，我把他们并联起来了，没有问题。
#include <Wire.h>

const int ADDR =0x40;
int X0,X1,Y0,Y1,Y2,Y3;
double X,Y,X_out,Y_out1,Y_out2;

#define BMP180ADD 0xEE>>1  // I2C address of BMP180
                     //write is (0xEE)    read is (0xEF)
//yixiashikongqizhiliang chuanganqideshengmign
int measurePin = 0; //Connect dust sensor to Arduino A0 pin
//int ledPower = 2; //Connect 3 led driver pins of dust sensor to Arduino D2

int samplingTime = 280;
int deltaTime = 40;
int sleepTime = 9680;

float voMeasured = 0;
float calcVoltage = 0;
float dustDensity = 0;
//kongqich
unsigned char OSS;
/**********************MSB    LSB******/
int ac1;          // 0xAA    0xAB
int ac2;          // 0xAC    0xAD
int ac3;          // 0xAE    0xAE
unsigned int ac4;  // 0xB0    0xB1
unsigned int ac5;  // 0xB2    0xB3
unsigned int ac6;  // 0xB4    0xB5
int b1;          // 0xB6    0xB7
int b2;          // 0xB8    0xB9
int mb;          // 0xBA    0xBB
int mc;          // 0xBC    0xBD
int md;          // 0xBE    0xBF
float temperature;
double pressure;
double pressure2;
long b5;
double altitude;

void setup()
{
  Serial.begin(9600);
  Wire.begin();
  OSS = 2;  // Oversampling Setting          0: single 1: 2 times 2: 4 times 3: 8 times
  BMP180start();

  delay(100);
Wire.beginTransmission(ADDR);
Wire.endTransmission();

  pinMode(13,OUTPUT);

}

void loop()
{
  //ziwaixian
  int sensorValue;
  int analogValue = analogRead(1);//connect UV sensors to Analog 0
  if (analogValue<20)
  {
sensorValue = 0;
  }
  else
  {
sensorValue = 0.05*analogValue-1;
  }
  Serial.print("the UV Value is  ");
  Serial.println(sensorValue);//print the value to serial
  //ziwaixian

  //wenshidu
  Wire.beginTransmission(ADDR);
Wire.write(0xE3);                            //发送读温度命令
Wire.endTransmission();

Serial.print("Temp");Serial.print("\t");Serial.println("RH");

/**读取温度数据**/
digitalWrite(13,HIGH);                         //LED亮开始读数据
Wire.requestFrom(ADDR,2);                      //回传数据

if(Wire.available()<=2);
{
   X0 = Wire.read();
   X1 = Wire.read();
   X0 = X0<<8;
   X_out = X0+X1;
}

/**计算并显示温度**/
X=(175.72*X_out)/65536;
X=X-46.85;
Serial.print(X);Serial.print("C");Serial.print("\t");

/**发送湿度测量命令**/
Wire.beginTransmission(ADDR);
Wire.write(0xE5);
Wire.endTransmission();

/**读取湿度数据**/
Wire.requestFrom(ADDR,2);
if(Wire.available()<=2);
{
   Y0 = Wire.read();Y2=Y0/100; Y0=Y0%100;
   Y1 = Wire.read();
   Y_out1 = Y2*25600;
   Y_out2 = Y0*256+Y1;
}

/**计算并显示湿度**/
Y_out1 = (125*Y_out1)/65536;
Y_out2 = (125*Y_out2)/65536;
Y = Y_out1+Y_out2;
Y=Y-6;
Serial.print(Y);Serial.println("%");

digitalWrite(13,LOW);
//wenshidu

  //kongqi
  delayMicroseconds(samplingTime);

  voMeasured = analogRead(measurePin); // read the dust value

  delayMicroseconds(deltaTime);
  //digitalWrite(ledPower,HIGH); // turn the LED off
  delayMicroseconds(sleepTime);

  // 0 - 5V mapped to 0 - 1023 integer values
  // recover voltage
  calcVoltage = voMeasured * (5.0 / 1024.0);

  // linear eqaution taken from http://www.howmuchsnow.com/arduino/airquality/
  // Chris Nafis (c) 2012
  dustDensity = 0.17 * calcVoltage - 0.1;

  Serial.print("Raw Signal Value (0-1023): ");
  Serial.print(voMeasured);

  Serial.print(" - Voltage: ");
  Serial.print(calcVoltage);

  Serial.print(" - Dust Density: ");
  Serial.println(dustDensity); // unit: mg/m3
  //kongqi

  //daqiya
  calculate();
  show();
  //daqiya
  delay(5000);
}

/** calculate centure **/
void calculate()
{
  temperature = bmp180GetTemperature(bmp180ReadUT());
  temperature = temperature*0.1;
  pressure = bmp180GetPressure(bmp180ReadUP());
  pressure2 = pressure/101325;
  pressure2 = pow(pressure2,0.19029496);
  altitude = 44330*(1-pressure2);                         //altitude = 44330*(1-(pressure/101325)^0.19029496);
}

/** print reslut **/
void show()
{
  Serial.print("Temperature: ");
  Serial.print(temperature, 1);                         //10 hexadecimal
  Serial.println(" C");
  Serial.print("Pressure: ");
  Serial.print(pressure, 0);                            //10 hexadecimal
  Serial.println(" Pa");
  Serial.print("altitude:");
  Serial.print(altitude);
  Serial.println("m");
}

/**BMP180 satrt program**/
void BMP180start()
{                   /*MSB*/
  ac1 = bmp180ReadDate(0xAA);                   //get full data
  ac2 = bmp180ReadDate(0xAC);
  ac3 = bmp180ReadDate(0xAE);
  ac4 = bmp180ReadDate(0xB0);
  ac5 = bmp180ReadDate(0xB2);
  ac6 = bmp180ReadDate(0xB4);
  b1  = bmp180ReadDate(0xB6);
  b2  = bmp180ReadDate(0xB8);
  mb  = bmp180ReadDate(0xBA);
  mc  = bmp180ReadDate(0xBC);
  md  = bmp180ReadDate(0xBE);
}

/***BMP180 temperature Calculate***/
short bmp180GetTemperature(unsigned int ut)
{
  long x1, x2;
  x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;  //x1=((ut-ac6)*ac5)/(2^15)
  x2 = ((long)mc << 11)/(x1 + md);             //x2=(mc*2^11)/(x1+md)
  b5 = x1 + x2;                                  //b5=x1+x2
  return ((b5 + 8)>>4);                         //t=(b5+8)/(2^4)
}

/***BMP180 pressure Calculate***/

long bmp180GetPressure(unsigned long up)
{
  long x1, x2, x3, b3, b6, p;
  unsigned long b4, b7;

  b6 = b5 - 4000;

  x1 = (b2 * (b6 * b6)>>12)>>11;
  x2 = (ac2 * b6)>>11;
  x3 = x1 + x2;
  b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;

  x1 = (ac3 * b6)>>13;
  x2 = (b1 * ((b6 * b6)>>12))>>16;
  x3 = ((x1 + x2) + 2)>>2;
  b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;

  b7 = ((unsigned long)(up - b3) * (50000>>OSS));
  if (b7 < 0x80000000)
p = (b7<<1)/b4;
  else
p = (b7/b4)<<1;

  x1 = (p>>8) * (p>>8);
  x1 = (x1 * 3038)>>16;
  x2 = (-7357 * p)>>16;
  p += (x1 + x2 + 3791)>>4;

  return p;
}

/*** Read 1 bytes from the BMP180  ***/

int bmp180Read(unsigned char address)
{
  unsigned char data;

  Wire.beginTransmission(BMP180ADD);
  Wire.write(address);
  Wire.endTransmission();

  Wire.requestFrom(BMP180ADD, 1);
  while(!Wire.available());

  return Wire.read();
}

/*** Read 2 bytes from the BMP180 ***/
int bmp180ReadDate(unsigned char address)
{
  unsigned char msb, lsb;
  Wire.beginTransmission(BMP180ADD);
  Wire.write(address);
  Wire.endTransmission();
  Wire.requestFrom(BMP180ADD, 2);
  while(Wire.available()<2);
  msb = Wire.read();
  lsb = Wire.read();
  return (int) msb<<8 | lsb;
}

/*** read uncompensated temperature value ***/
unsigned int bmp180ReadUT()
{
  unsigned int ut;
  Wire.beginTransmission(BMP180ADD);
  Wire.write(0xF4);                      // Write 0x2E into Register 0xF4
  Wire.write(0x2E);                      // This requests a temperature reading
  Wire.endTransmission();
  delay(5);                            // Wait at least 4.5ms
  ut = bmp180ReadDate(0xF6);             // read MSB from 0xF6 read LSB from (16 bit)
  return ut;
}

/*** Read uncompensated pressure value from BMP180 ***/
unsigned long bmp180ReadUP()
{
  unsigned char msb, lsb, xlsb;
  unsigned long up = 0;

  Wire.beginTransmission(BMP180ADD);
  Wire.write(0xF4);                      // Write 0x34+(OSS<<6) into register 0xF4
  Wire.write(0x34 + (OSS<<6));          // 0x34+oss*64
  Wire.endTransmission();
  delay(2 + (3<<OSS));                   // Wait for conversion, delay time dependent on OSS

  Wire.beginTransmission(BMP180ADD);
  Wire.write(0xF6);                      // Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
  Wire.endTransmission();

  Wire.requestFrom(BMP180ADD, 3);
  while(Wire.available() < 3);          // Wait for data to become available
  msb = Wire.read();
  lsb = Wire.read();
  xlsb = Wire.read();
  up = (((unsigned long) msb << 16) | ((unsigned long) lsb << 8) | (unsigned long) xlsb) >> (8-OSS);//16 to 19 bit
  return up;
}