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ina226.h
104 lines | 3.6 KiB | text/x-c | CLexer
/*------------------------------------------------------------------------------
-- This file is a part of the libuc, microcontroler library
-- Copyright (C) 2011, Alexis Jeandet
--
-- This program is free software; you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation; either version 3 of the License, or
-- (at your option) any later version.
--
-- This program 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 General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program; if not, write to the Free Software
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-------------------------------------------------------------------------------
-- Author : Alexis Jeandet
-- Mail : alexis.jeandet@gmail.com
-------------------------------------------------------------------------------*/
#ifndef INA226_H
#define INA226_H
#include <i2c.h>
#include <uhandle.h>
typedef struct INA226_t
{
i2c_t i2cdev;
uint8_t devAddress;
uint32_t shuntmOhm;
uint32_t CurrentRangeuAmp;
}INA226_t;
extern int ina226open(INA226_t* dev,i2c_t i2cdev,uint16_t config,uint8_t A0,uint8_t A1,uint32_t shuntmOhm, uint32_t CurrentRangeuAmp);
extern uint16_t ina226getID(INA226_t* dev);
extern int ina226calibrate(INA226_t* dev,uint32_t shuntmOhm, uint32_t CurrentRangeuAmp);
extern uint32_t ina226getBusVoltage(INA226_t* dev);
extern uint32_t ina226getPower(INA226_t* dev);
extern int32_t ina226getCurrent(INA226_t* dev);
extern uint16_t ina226getReg(INA226_t* dev,char reg);
extern int ina226setReg(INA226_t* dev,char reg,int16_t value);
#define INA226_I2C_ADDRESS 0x40
#define INA226_Die_ID_Reg 0xFF
#define INA226_Configuration_Reg 0
#define INA226_Shunt_Voltage_Reg 1
#define INA226_Bus_Voltage_Reg 2
#define INA226_Power_Reg 3
#define INA226_Current_Reg 4
#define INA226_Calibration_Reg 5
#define INA226_Mask_Enable_Reg 6
#define INA226_Alert_Limit_Reg 7
#define INA226_AVERAGES_1 0
#define INA226_AVERAGES_4 (1<<9)
#define INA226_AVERAGES_16 (2<<9)
#define INA226_AVERAGES_64 (3<<9)
#define INA226_AVERAGES_128 (4<<9)
#define INA226_AVERAGES_256 (5<<9)
#define INA226_AVERAGES_512 (6<<9)
#define INA226_AVERAGES_1024 (7<<9)
#define INA226_BUS_CONV_140us 0
#define INA226_BUS_CONV_204us (1<<6)
#define INA226_BUS_CONV_332us (2<<6)
#define INA226_BUS_CONV_588us (3<<6)
#define INA226_BUS_CONV_1100us (4<<6)
#define INA226_BUS_CONV_2116us (5<<6)
#define INA226_BUS_CONV_4156us (6<<6)
#define INA226_BUS_CONV_8244us (7<<6)
#define INA226_SHUNT_CONV_140us 0
#define INA226_SHUNT_CONV_204us (1<<3)
#define INA226_SHUNT_CONV_332us (2<<3)
#define INA226_SHUNT_CONV_588us (3<<3)
#define INA226_SHUNT_CONV_1100us (4<<3)
#define INA226_SHUNT_CONV_2116us (5<<3)
#define INA226_SHUNT_CONV_4156us (6<<3)
#define INA226_SHUNT_CONV_8244us (7<<3)
#define INA226_MODE_POWER_DOWN 0
#define INA226_MODE_SHUNT_VOLTAGE_TRIGGERRED 1
#define INA226_MODE_BUS_VOLTAGE_TRIGGERRED 2
#define INA226_MODE_SHUNT_AND_BUS_TRIGGERRED 3
#define INA226_MODE_SHUNT_VOLTAGE_CONTINUOUS 5
#define INA226_MODE_BUS_VOLTAGE_CONTINUOUS 6
#define INA226_MODE_SHUNT_AND_BUS_CONTINUOUS 7
#endif