ErriezINA219.h File Reference

INA219 voltage and current sensor library for Arduino. More...

#include <stdint.h>

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Classes
class	INA219
	INA219 class. More...

Macros
#define	INA219_I2C_ADDRESS   0x40
	Default I2C address.
#define	INA219_SHUNT_RESISTOR   0.1
	Default shunt resistor in Ohm.
#define	INA219_REG_CONFIG   0x00
	Config register.
#define	INA219_REG_SHUNTVOLTAGE   0x01
	Shunt/voltage register.
#define	INA219_REG_BUSVOLTAGE   0x02
	Bus voltage register.
#define	INA219_REG_POWER   0x03
	Power register.
#define	INA219_REG_CURRENT   0x04
	Current register.
#define	INA219_REG_CALIBRATION   0x05
	Calibration register.
#define	INA219_CONFIG_RST   15
	Reset.
#define	INA219_CONFIG_BRNG   13
	Bus voltage range.
#define	INA219_CONFIG_BRNG_16V   (0 << 13)
	Bus voltage range 16V.
#define	INA219_CONFIG_BRNG_32V   (1 << 13)
	Bus voltage range 32V.
#define	INA219_CONFIG_GAIN_MASK   (3 << 12)
	PGA Gain and Range.
#define	INA219_CONFIG_GAIN_1   (0 << 12)
	±40 mV.
#define	INA219_CONFIG_GAIN_2   (1 << 12)
	±80 mV.
#define	INA219_CONFIG_GAIN_4   (2 << 12)
	±160 mV.
#define	INA219_CONFIG_GAIN_8   (3 << 12)
	±320 mV.
#define	INA219_CONFIG_BADC_MASK   0x0780
	Bus ADC Resolution/Averaging.
#define	INA219_CONFIG_BADC(adc)   ((adc & INA219_CONFIG_BADC_MASK) << 7)
	Bus ADC mask and shift.
#define	INA219_CONFIG_SADC_MASK   0x0078
	Shunt ADC Resolution/Averaging.
#define	INA219_CONFIG_SADC(adc)   ((adc & INA219_CONFIG_BADC_MASK) << 3)
	Shunt ADC mask and shift.
#define	INA219_CONFIG_xADC_9B   0
	9 bit
#define	INA219_CONFIG_xADC_10B   1
	10 bit
#define	INA219_CONFIG_xADC_11B   2
	11 bit
#define	INA219_CONFIG_xADC_12B   3
	12 bit
#define	INA219_CONFIG_xADC_2S   9
	2 samples
#define	INA219_CONFIG_xADC_4S   10
	4 samples
#define	INA219_CONFIG_xADC_8S   11
	8 samples
#define	INA219_CONFIG_xADC_16S   12
	16 samples
#define	INA219_CONFIG_xADC_32S   13
	32 samples
#define	INA219_CONFIG_xADC_64S   14
	64 samples
#define	INA219_CONFIG_xADC_128S   15
	128 samples
#define	INA219_CONFIG_MODE_MASK   0x0007
	Operating Mode.
#define	INA219_CONFIG_MODE(mode)   ((mode & INA219_CONFIG_MODE_MASK) << 0)
	Config mode mask and shift.
#define	INA219_CONFIG_MODE_POWER_DOWN   0
	Power-Down.
#define	INA219_CONFIG_MODE_SHUNT_TRG   1
	Shunt voltage, triggered.
#define	INA219_CONFIG_MODE_BUS_TRG   2
	Bus voltage, triggered.
#define	INA219_CONFIG_MODE_SHUNT_BUS_TRG   3
	Shunt and bus voltage, triggered.
#define	INA219_CONFIG_MODE_ADC_OFF   4
	ADC off (disabled)
#define	INA219_CONFIG_MODE_SHUNT_CNT   5
	Shunt voltage, continuous.
#define	INA219_CONFIG_MODE_BUS_CNT   6
	Bus voltage, continuous.
#define	INA219_CONFIG_MODE_SHUNT_BUS_CNT   7
	Shunt and bus voltage, continuous.
#define	REG_CONFIG_VALUE   0x399F
	Default config register value. More...

Detailed Description

INA219 voltage and current sensor library for Arduino.

Source: https://github.com/Erriez/ErriezINA219 Documentation: https://erriez.github.io/ErriezINA219

Definition in file ErriezINA219.h.

Macro Definition Documentation

REG_CONFIG_VALUE

#define REG_CONFIG_VALUE   0x399F

Default config register value.

Shunt and bus: BADC: +/-320 mV Continuous conversion 532 us conversion time

Definition at line 100 of file ErriezINA219.h.