/**************************************************************************/
/*! 
    @file     ina219.h
    @author   K. Townsend (microBuilder.eu)

    @section LICENSE

    Software License Agreement (BSD License)

    Copyright (c) 2012 Kevin Townsend
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:
    1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
    2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
    3. Neither the name of the copyright holders nor the
    names of its contributors may be used to endorse or promote products
    derived from this software without specific prior written permission.

    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/**************************************************************************/

#ifndef _INA219_H_
#define _INS219_H_

#include "define.h"
//#include "projectconfig.h"
//#include "core/i2c/i2c.h"



/*=========================================================================
    I2C ADDRESS/BITS
    -----------------------------------------------------------------------*/
    #define INA219_ADDRESS                         (0x80)  // 1000000x (A0+A1=GND)
    #define INA219_READ                            (0x01)
/*=========================================================================*/

/*=========================================================================
    CONFIG REGISTER (R/W)
    -----------------------------------------------------------------------*/
    #define INA219_REG_CONFIG                      (0x00)
    /*---------------------------------------------------------------------*/
    #define INA219_CONFIG_RESET                    (0x8000)  // Reset Bit
    #define INA219_CONFIG_RESET_READBACK           0x39FF
	
    #define INA219_CONFIG_BVOLTAGERANGE_MASK       (0x4000)  // Bus Voltage Range Mask
    #define INA219_CONFIG_BVOLTAGERANGE_16V        (0x0000)  // 0-16V Range
    #define INA219_CONFIG_BVOLTAGERANGE_32V        (0x4000)  // 0-32V Range
	
    #define INA219_CONFIG_GAIN_MASK                (0x1800)  // Gain Mask
    #define INA219_CONFIG_GAIN_1_40MV              (0x0000)  // Gain 1, 40mV Range
    #define INA219_CONFIG_GAIN_2_80MV              (0x0800)  // Gain 2, 80mV Range
    #define INA219_CONFIG_GAIN_4_160MV             (0x1000)  // Gain 4, 160mV Range
    #define INA219_CONFIG_GAIN_8_320MV             (0x1800)  // Gain 8, 320mV Range
	
    #define INA219_CONFIG_BADCRES_MASK             (0x0780)  // Bus ADC Resolution Mask
    #define INA219_CONFIG_BADCRES_9BIT             (0x0080)  // 9-bit bus res = 0..511
    #define INA219_CONFIG_BADCRES_10BIT            (0x0100)  // 10-bit bus res = 0..1023
    #define INA219_CONFIG_BADCRES_11BIT            (0x0200)  // 11-bit bus res = 0..2047
    #define INA219_CONFIG_BADCRES_12BIT            (0x0400)  // 12-bit bus res = 0..4097
    
    #define INA219_CONFIG_SADCRES_MASK             (0x0078)  // Shunt ADC Resolution and Averaging Mask
    #define INA219_CONFIG_SADCRES_9BIT_1S_84US     (0x0000)  // 1 x 9-bit shunt sample
    #define INA219_CONFIG_SADCRES_10BIT_1S_148US   (0x0008)  // 1 x 10-bit shunt sample
    #define INA219_CONFIG_SADCRES_11BIT_1S_276US   (0x0010)  // 1 x 11-bit shunt sample
    #define INA219_CONFIG_SADCRES_12BIT_1S_532US   (0x0018)  // 1 x 12-bit shunt sample
    #define INA219_CONFIG_SADCRES_12BIT_2S_1060US  (0x0048)	 // 2 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_4S_2130US  (0x0050)  // 4 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_8S_4260US  (0x0058)  // 8 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_16S_8510US (0x0060)  // 16 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_32S_17MS   (0x0068)  // 32 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_64S_34MS   (0x0070)  // 64 x 12-bit shunt samples averaged together
    #define INA219_CONFIG_SADCRES_12BIT_128S_69MS  (0x0078)  // 128 x 12-bit shunt samples averaged together
	
    #define INA219_CONFIG_MODE_MASK                (0x0007)  // Operating Mode Mask
    #define INA219_CONFIG_MODE_POWERDOWN           (0x0000)
    #define INA219_CONFIG_MODE_SVOLT_TRIGGERED     (0x0001)
    #define INA219_CONFIG_MODE_BVOLT_TRIGGERED     (0x0002)
    #define INA219_CONFIG_MODE_SANDBVOLT_TRIGGERED (0x0003)
    #define INA219_CONFIG_MODE_ADCOFF              (0x0004)
    #define INA219_CONFIG_MODE_SVOLT_CONTINUOUS    (0x0005)
    #define INA219_CONFIG_MODE_BVOLT_CONTINUOUS    (0x0006)
    #define INA219_CONFIG_MODE_SANDBVOLT_CONTINUOUS (0x0007)	
/*=========================================================================*/

/*=========================================================================
    SHUNT VOLTAGE REGISTER (R)
    -----------------------------------------------------------------------*/
    #define INA219_REG_SHUNTVOLTAGE                (0x01)
/*=========================================================================*/

/*=========================================================================
    BUS VOLTAGE REGISTER (R)
    -----------------------------------------------------------------------*/
    #define INA219_REG_BUSVOLTAGE                  (0x02)
/*=========================================================================*/

/*=========================================================================
    POWER REGISTER (R)
    -----------------------------------------------------------------------*/
    #define INA219_REG_POWER                       (0x03)
/*=========================================================================*/

/*=========================================================================
    CURRENT REGISTER (R)
    -----------------------------------------------------------------------*/
    #define INA219_REG_CURRENT                     (0x04)
/*=========================================================================*/

/*=========================================================================
    CALIBRATION REGISTER (R/W)
    -----------------------------------------------------------------------*/
    #define INA219_REG_CALIBRATION                 (0x05)
/*=========================================================================*/

int    ina219Init(void);
int16_t ina219GetShuntVoltage(void);
int16_t ina219GetBusVoltage(void);
int16_t ina219GetPower(void);
int16_t ina219GetPower_mW(void);
int16_t ina219GetCurrent(void);
int16_t ina219GetCurrent_mA(void);

#endif


