Еще один беспроводной датчик температуры и влажности. Z-Wave плата Z-Uno + Sensirion SHT20

#include <Wire.h>
#include "SHT2x.h"

int16_t temperature;
uint8_t humidity;

ZUNO_SETUP_SLEEPING_MODE(ZUNO_SLEEPING_MODE_SLEEPING);

#define ZUNO_CHANNEL_TEMPERATURE   1
#define ZUNO_CHANNEL_HUMIDITY   2

ZUNO_SETUP_CHANNELS(
    ZUNO_SENSOR_MULTILEVEL_TEMPERATURE(getterTemp),
    ZUNO_SENSOR_MULTILEVEL_HUMIDITY(getterHumid)
);

void setup() {
  Wire.begin();
}

void loop() { 
  temperature = SHT2x.GetTemperature();
  zunoSendReport(ZUNO_CHANNEL_TEMPERATURE);
  humidity = SHT2x.GetHumidity();
  zunoSendReport(ZUNO_CHANNEL_HUMIDITY);
  zunoSendDeviceToSleep(); 
}

byte getterTemp(void) {
  return temperature;
}

byte getterHumid(void) {
  return humidity;
}

/*
  SHT2x - A Humidity Library for Arduino.

  Supported Sensor modules:
    SHT21-Breakout Module - http://www.moderndevice.com/products/sht21-humidity-sensor
	SHT2x-Breakout Module - http://www.misenso.com/products/001
	
  Created by Christopher Ladden at Modern Device on December 2009.
  Modified by Paul Badger March 2010
  
  Modified by www.misenso.com on October 2011:
	- code optimisation
	- compatibility with Arduino 1.0

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/

//#include <inttypes.h>
#include <Wire.h>
#include "Arduino.h"
#include "SHT2x.h"



/******************************************************************************
 * Global Functions
 ******************************************************************************/

/**********************************************************
 * GetHumidity
 *  Gets the current humidity from the sensor.
 *
 * @return float - The relative humidity in %RH
 **********************************************************/
float SHT2xClass::GetHumidity(void)
{
	return (-6.0 + 125.0 / 65536.0 * (float)(readSensor(eRHumidityNoHoldCmd)));
 
}

/**********************************************************
 * GetTemperature
 *  Gets the current temperature from the sensor.
 *
 * @return float - The temperature in Deg C
 **********************************************************/
float SHT2xClass::GetTemperature(void)
{
	return (-46.85 + 175.72 / 65536.0 * (float)(readSensor(eTempNoHoldCmd)));
}


/******************************************************************************
 * Private Functions
 ******************************************************************************/

uint16_t SHT2xClass::readSensor(uint8_t command)
{
    uint16_t result = 0 ;
    uint8_t data[2];

    // Sending request to sensor
    Wire.beginTransmission(eSHT2xAddress);   // We have to read some registers from sensor 
    Wire.write(command);        // Command     
    Wire.endTransmission(); 
    delay(100);
    
    Wire.requestFrom(eSHT2xAddress, 3); //Get 3 bytes
    byte i = 0;
    while(Wire.available()) {
      data[i++] = Wire.read();
    }

    result = data[0] << 8;
    result += data[1];
    result &= ~0x0003;   // clear two low bits (status bits)
    return result;
}

SHT2xClass SHT2x;

/*
  SHT2x - A Humidity Library for Arduino.

  Supported Sensor modules:
    SHT21-Breakout Module - http://www.moderndevice.com/products/sht21-humidity-sensor
	SHT2x-Breakout Module - http://www.misenso.com/products/001
	
  Created by Christopher Ladden at Modern Device on December 2009.
  
  Modified by www.misenso.com on October 2011:
	- code optimisation
	- compatibility with Arduino 1.0

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
*/


#ifndef SHT2X_H
#define SHT2X_H

//#include <inttypes.h>

typedef enum {
    eSHT2xAddress = 0x40,
} HUM_SENSOR_T;

typedef enum {
    eTempHoldCmd		= 0xE3,
    eRHumidityHoldCmd	= 0xE5,
    eTempNoHoldCmd      = 0xF3,
    eRHumidityNoHoldCmd = 0xF5,
} HUM_MEASUREMENT_CMD_T;

class SHT2xClass
{
  private:
	uint16_t readSensor(uint8_t command);
  uint8_t _data; 
  public:
    SHT2xClass(){};
    float GetHumidity(void);
    float GetTemperature(void);
};

extern SHT2xClass SHT2x;

#endif