HDC1000.h

/*
    HDC1000.h
    A library for HDC1000 1.0

    Copyright (c) 2015 seeed technology inc.
    Website    : www.seeed.cc
    Author     : Pillar Zuo (baozhu.zuo@seeed.cc)
    Create Time: April 2015
    Change Log :

    The MIT License (MIT)

    Permission is hereby granted, free of charge, to any person obtaining a copy
    of this software and associated documentation files (the "Software"), to deal
    in the Software without restriction, including without limitation the rights
    to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the Software is
    furnished to do so, subject to the following conditions:

    The above copyright notice and this permission notice shall be included in
    all copies or substantial portions of the Software.

    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    THE SOFTWARE.
*/

#ifndef HDC1000_H
#define HDC1000_H

#include <inttypes.h>

#if (ARDUINO >= 100)
    #include "Arduino.h"
#else
    #include "WProgram.h"
#endif

#define HDC1000_ADDR				0x40

#define HDC1000_TEMP				0x00
#define HDC1000_HUMI				0x01
#define	HDC1000_CONFIG				0x02

#define HDC1000_SERID_1				0xFB
#define HDC1000_SERID_2				0xFC
#define HDC1000_SERID_3				0xFD
#define HDC1000_MFID				0xFE
#define HDC1000_DEVID				0xFF

#define HDC1000_RST					0x80
#define	HDC1000_HEAT_ON				0x20
#define	HDC1000_HEAT_OFF			0x00
#define	HDC1000_BOTH_TEMP_HUMI		0x10
#define	HDC1000_SINGLE_MEASUR		0x00
#define	HDC1000_TEMP_HUMI_14BIT		0x00
#define	HDC1000_TEMP_11BIT			0x40
#define HDC1000_HUMI_11BIT			0x01
#define	HDC1000_HUMI_8BIT			0x02

class HDC1000 {
  public:
    HDC1000(uint8_t address = HDC1000_ADDR, int drdyn_pin = -1);

    uint8_t begin(uint8_t reset = HDC1000_RST, uint8_t mode = HDC1000_BOTH_TEMP_HUMI,
                  uint8_t resolution = HDC1000_TEMP_HUMI_14BIT, uint8_t heater = HDC1000_HEAT_ON);

    boolean battery();

    uint16_t getRawTemp(void);
    uint16_t getRawHumi(void);

    double getTemp(void);
    double getHumi(void);

    uint16_t readConfig(void);

  private:
    int _drdyn_pin;
    uint8_t _addr;
    uint16_t read16();
    void setReadRegister(uint8_t reg);
    void setConfig(uint8_t config);
};

#endif