ads1115.hpp

/*
 * Author: Marc Graham <marc@m2ag.net>
 * Copyright (c) 2015 Intel Corporation.
 *
 * 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.
 */
/*=========================================================================*/

#pragma once

#include "ads1x15.hpp"



/*=========================================================================
    CONVERSION DELAY (in microS)
    -----------------------------------------------------------------------*/
    #define ADS1115_CONVERSIONDELAY         (8000)
/*=========================================================================*/


/*=========================================================================
    CONFIG REGISTER

  -----------------------------------------------------------------------*/

#define ADS1115_DR_MASK      (0x00E0)
#define ADS1115_DR_8SPS      (0x0000)  // 8 samples per second
#define ADS1115_DR_16SPS     (0x0020)  // 16 samples per second
#define ADS1115_DR_32SPS     (0x0040)  // 32 samples per second
#define ADS1115_DR_64SPS     (0x0060)  // 64 samples per second
#define ADS1115_DR_128SPS    (0x0080)  // 128 samples per second (default)
#define ADS1115_DR_250SPS    (0x00A0)  // 250 samples per second
#define ADS1115_DR_475SPS    (0x00C0)  // 475 samples per second
#define ADS1115_DR_860SPS    (0x00E0)  // 860 samples per second

/*=========================================================================*/

namespace upm {
    class ADS1115 : public ADS1X15 {

        public:

            typedef enum ADSDATARATE
            {
              SPS_8            = ADS1115_DR_8SPS,
              SPS_16           = ADS1115_DR_16SPS,
              SPS_32           = ADS1115_DR_32SPS,
              SPS_64           = ADS1115_DR_64SPS,
              SPS_128          = ADS1115_DR_128SPS,
              SPS_250          = ADS1115_DR_250SPS,
              SPS_475          = ADS1115_DR_475SPS,
              SPS_860          = ADS1115_DR_860SPS
            } ADSDATARATE;



            ADS1115 (int bus, uint8_t address = 0x48);

            ~ADS1115();

            void setSPS(ADSDATARATE rate = ADS1115::SPS_128);


        protected:
          float getMultiplier(void);
          void setDelay(void);

    };
}