driver ina226 source file More...

#include "driver_ina226.h"
#include <math.h>

Include dependency graph for driver_ina226.c:

Macros
#define	CHIP_NAME "Texas Instruments INA226"
	chip information definition
#define	MANUFACTURER_NAME "Texas Instruments"
#define	SUPPLY_VOLTAGE_MIN 2.7f
#define	SUPPLY_VOLTAGE_MAX 5.5f
#define	MAX_CURRENT 0.33f
#define	TEMPERATURE_MIN -40.0f
#define	TEMPERATURE_MAX 125.0f
#define	DRIVER_VERSION 1000
#define	INA226_REG_CONF 0x00
	chip register definition
#define	INA226_REG_SHUNT_VOLTAGE 0x01
#define	INA226_REG_BUS_VOLTAGE 0x02
#define	INA226_REG_POWER 0x03
#define	INA226_REG_CURRENT 0x04
#define	INA226_REG_CALIBRATION 0x05
#define	INA226_REG_MASK 0x06
#define	INA226_REG_ALERT_LIMIT 0x07
#define	INA226_REG_MANUFACTURER 0xFE
#define	INA226_REG_DIE 0xFF

Functions
uint8_t	ina226_set_resistance (ina226_handle_t *handle, double resistance)
	set the resistance
uint8_t	ina226_get_resistance (ina226_handle_t handle, double resistance)
	get the resistance
uint8_t	ina226_set_addr_pin (ina226_handle_t *handle, ina226_address_t addr_pin)
	set the iic address pin
uint8_t	ina226_get_addr_pin (ina226_handle_t handle, ina226_address_t addr_pin)
	get the iic address pin
uint8_t	ina226_soft_reset (ina226_handle_t *handle)
	soft reset the chip
uint8_t	ina226_set_average_mode (ina226_handle_t *handle, ina226_avg_t mode)
	set average mode
uint8_t	ina226_get_average_mode (ina226_handle_t handle, ina226_avg_t mode)
	get average mode
uint8_t	ina226_set_bus_voltage_conversion_time (ina226_handle_t *handle, ina226_conversion_time_t t)
	set bus voltage conversion time
uint8_t	ina226_get_bus_voltage_conversion_time (ina226_handle_t handle, ina226_conversion_time_t t)
	get bus voltage conversion time
uint8_t	ina226_set_shunt_voltage_conversion_time (ina226_handle_t *handle, ina226_conversion_time_t t)
	set shunt voltage conversion time
uint8_t	ina226_get_shunt_voltage_conversion_time (ina226_handle_t handle, ina226_conversion_time_t t)
	get shunt voltage conversion time
uint8_t	ina226_set_mode (ina226_handle_t *handle, ina226_mode_t mode)
	set the mode
uint8_t	ina226_get_mode (ina226_handle_t handle, ina226_mode_t mode)
	get the mode
uint8_t	ina226_get_die_id (ina226_handle_t handle, uint16_t device_id, uint8_t *die_revision_id)
	get the die id
uint8_t	ina226_read_shunt_voltage (ina226_handle_t handle, int16_t raw, float *mV)
	read the shunt voltage
uint8_t	ina226_read_bus_voltage (ina226_handle_t handle, uint16_t raw, float *mV)
	read the bus voltage
uint8_t	ina226_read_current (ina226_handle_t handle, int16_t raw, float *mA)
	read the current
uint8_t	ina226_read_power (ina226_handle_t handle, uint16_t raw, float *mW)
	read the power
uint8_t	ina226_get_calibration (ina226_handle_t handle, uint16_t data)
	get the calibration
uint8_t	ina226_calculate_calibration (ina226_handle_t handle, uint16_t calibration)
	calculate the calibration
uint8_t	ina226_set_calibration (ina226_handle_t *handle, uint16_t data)
	set the calibration
uint8_t	ina226_set_mask (ina226_handle_t *handle, ina226_mask_t mask, ina226_bool_t enable)
	enable or disable mask
uint8_t	ina226_get_mask (ina226_handle_t handle, ina226_mask_t mask, ina226_bool_t enable)
	get mask
uint8_t	ina226_set_conversion_ready_alert_pin (ina226_handle_t *handle, ina226_bool_t enable)
	enable or disable conversion ready alert pin
uint8_t	ina226_get_conversion_ready_alert_pin (ina226_handle_t handle, ina226_bool_t enable)
	get conversion ready alert pin status
uint8_t	ina226_set_alert_polarity_pin (ina226_handle_t *handle, ina226_alert_polarity_t pin)
	set alert polarity pin
uint8_t	ina226_get_alert_polarity_pin (ina226_handle_t handle, ina226_alert_polarity_t pin)
	get alert polarity pin
uint8_t	ina226_set_alert_latch (ina226_handle_t *handle, ina226_bool_t enable)
	enable or disable alert latch
uint8_t	ina226_get_alert_latch (ina226_handle_t handle, ina226_bool_t enable)
	get alert latch status
uint8_t	ina226_set_alert_limit (ina226_handle_t *handle, uint16_t reg)
	set alert limit
uint8_t	ina226_get_alert_limit (ina226_handle_t handle, uint16_t reg)
	get alert limit
uint8_t	ina226_shunt_voltage_convert_to_register (ina226_handle_t handle, float mV, uint16_t reg)
	convert the shunt voltage to the register raw data
uint8_t	ina226_shunt_voltage_convert_to_data (ina226_handle_t handle, uint16_t reg, float mV)
	convert the register raw data to the shunt voltage
uint8_t	ina226_bus_voltage_convert_to_register (ina226_handle_t handle, float mV, uint16_t reg)
	convert the bus voltage to the register raw data
uint8_t	ina226_bus_voltage_convert_to_data (ina226_handle_t handle, uint16_t reg, float mV)
	convert the register raw data to the bus voltage
uint8_t	ina226_power_convert_to_register (ina226_handle_t handle, float mW, uint16_t reg)
	convert the power to the register raw data
uint8_t	ina226_power_convert_to_data (ina226_handle_t handle, uint16_t reg, float mW)
	convert the register raw data to the power
uint8_t	ina226_irq_handler (ina226_handle_t *handle)
	irq handler
uint8_t	ina226_init (ina226_handle_t *handle)
	initialize the chip
uint8_t	ina226_deinit (ina226_handle_t *handle)
	close the chip
uint8_t	ina226_set_reg (ina226_handle_t *handle, uint8_t reg, uint16_t data)
	set the chip register
uint8_t	ina226_get_reg (ina226_handle_t handle, uint8_t reg, uint16_t data)
	get the chip register
uint8_t	ina226_info (ina226_info_t *info)
	get chip's information

Detailed Description

driver ina226 source file

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.

Version: 1.0.0

Author: Shifeng Li

Date: 2025-01-29

history

Date	Version	Author	Description
2025/01/29	1.0	Shifeng Li	first upload

Definition in file driver_ina226.c.

Macro Definition Documentation

◆ CHIP_NAME

#define CHIP_NAME "Texas Instruments INA226"

chip information definition

chip name

Definition at line 43 of file driver_ina226.c.

◆ DRIVER_VERSION

#define DRIVER_VERSION 1000

driver version

Definition at line 50 of file driver_ina226.c.

◆ INA226_REG_ALERT_LIMIT

#define INA226_REG_ALERT_LIMIT 0x07

alert limit register

Definition at line 62 of file driver_ina226.c.

◆ INA226_REG_BUS_VOLTAGE

#define INA226_REG_BUS_VOLTAGE 0x02

bus voltage register

Definition at line 57 of file driver_ina226.c.

◆ INA226_REG_CALIBRATION

#define INA226_REG_CALIBRATION 0x05

calibration register

Definition at line 60 of file driver_ina226.c.

◆ INA226_REG_CONF

#define INA226_REG_CONF 0x00

chip register definition

configuration register

Definition at line 55 of file driver_ina226.c.

◆ INA226_REG_CURRENT

#define INA226_REG_CURRENT 0x04

current register

Definition at line 59 of file driver_ina226.c.

◆ INA226_REG_DIE

#define INA226_REG_DIE 0xFF

die id register

Definition at line 64 of file driver_ina226.c.

◆ INA226_REG_MANUFACTURER

#define INA226_REG_MANUFACTURER 0xFE

manufacturer id register

Definition at line 63 of file driver_ina226.c.

◆ INA226_REG_MASK

#define INA226_REG_MASK 0x06

mask register

Definition at line 61 of file driver_ina226.c.

◆ INA226_REG_POWER

#define INA226_REG_POWER 0x03

power register

Definition at line 58 of file driver_ina226.c.

◆ INA226_REG_SHUNT_VOLTAGE

#define INA226_REG_SHUNT_VOLTAGE 0x01

shunt voltage register

Definition at line 56 of file driver_ina226.c.

◆ MANUFACTURER_NAME

#define MANUFACTURER_NAME "Texas Instruments"

manufacturer name

Definition at line 44 of file driver_ina226.c.

◆ MAX_CURRENT

#define MAX_CURRENT 0.33f

chip max current

Definition at line 47 of file driver_ina226.c.

◆ SUPPLY_VOLTAGE_MAX

#define SUPPLY_VOLTAGE_MAX 5.5f

chip max supply voltage

Definition at line 46 of file driver_ina226.c.

◆ SUPPLY_VOLTAGE_MIN

#define SUPPLY_VOLTAGE_MIN 2.7f

chip min supply voltage

Definition at line 45 of file driver_ina226.c.

◆ TEMPERATURE_MAX

#define TEMPERATURE_MAX 125.0f

chip max operating temperature

Definition at line 49 of file driver_ina226.c.

◆ TEMPERATURE_MIN

#define TEMPERATURE_MIN -40.0f

chip min operating temperature

Definition at line 48 of file driver_ina226.c.

Macros

Functions