/*------------------------------------------------------------------------------ -- 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 #include 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