ina237.h File Reference

Devicetree binding constants for the TI INA237 power monitor. More...

#include <zephyr/dt-bindings/dt-util.h>

Go to the source code of this file.

Macros
#define	INA237_CONFIG(rst_mode, convdly, adc_range)
	Build the INA237 configuration register value.
#define	INA237_ADC_CONFIG(mode, vshct, vbusct, vtct, avg)
	Build the INA237 ADC configuration register value.
Operating mode
Operating-mode argument for the INA237_ADC_CONFIG() macro.
#define	INA237_CFG_HIGH_PRECISION   BIT(4)
	High-precision mode flag.
#define	INA237_OPER_MODE_SHUTDOWN   0x00
	Shutdown.
#define	INA237_OPER_MODE_BUS_VOLTAGE_TRIG   0x01
	Bus voltage, triggered.
#define	INA237_OPER_MODE_SHUNT_VOLTAGE_TRIG   0x02
	Shunt voltage, triggered.
#define	INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG   0x03
	Shunt and bus, triggered.
#define	INA237_OPER_MODE_TEMP_TRIG   0x04
	Temperature, triggered.
#define	INA237_OPER_MODE_TEMP_BUS_VOLTAGE_TRIG   0x05
	Temp and bus, triggered.
#define	INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_TRIG   0x06
	Temp and shunt, triggered.
#define	INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_TRIG   0x07
	Bus, shunt and temp, triggered.
#define	INA237_OPER_MODE_BUS_VOLTAGE_CONT   0x09
	Bus voltage, continuous.
#define	INA237_OPER_MODE_SHUNT_VOLTAGE_CONT   0x0A
	Shunt voltage, continuous.
#define	INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT   0x0B
	Shunt and bus, continuous.
#define	INA237_OPER_MODE_TEMP_CONT   0x0C
	Temperature, continuous.
#define	INA237_OPER_MODE_BUS_VOLTAGE_TEMP_CONT   0x0D
	Bus and temp, continuous.
#define	INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_CONT   0x0E
	Temp and shunt, continuous.
#define	INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_CONT   0x0F
	Bus, shunt and temp, continuous.
Bus, shunt and temperature conversion time
Conversion-time argument for the INA237_ADC_CONFIG() macro.
#define	INA237_CONV_TIME_50   0x00
	50 µs
#define	INA237_CONV_TIME_84   0x01
	84 µs
#define	INA237_CONV_TIME_150   0x02
	150 µs
#define	INA237_CONV_TIME_280   0x03
	280 µs
#define	INA237_CONV_TIME_540   0x04
	540 µs
#define	INA237_CONV_TIME_1052   0x05
	1052 µs
#define	INA237_CONV_TIME_2074   0x06
	2074 µs
#define	INA237_CONV_TIME_4120   0x07
	4120 µs
Averaging mode (number of samples)
Averaging-mode argument for the INA237_ADC_CONFIG() macro.
#define	INA237_AVG_MODE_1   0x00
	1 sample
#define	INA237_AVG_MODE_4   0x01
	4 samples
#define	INA237_AVG_MODE_16   0x02
	16 samples
#define	INA237_AVG_MODE_64   0x03
	64 samples
#define	INA237_AVG_MODE_128   0x04
	128 samples
#define	INA237_AVG_MODE_256   0x05
	256 samples
#define	INA237_AVG_MODE_512   0x06
	512 samples
#define	INA237_AVG_MODE_1024   0x07
	1024 samples
Reset mode
Reset-mode argument for the INA237_CONFIG() macro.
#define	INA237_RST_NORMAL_OPERATION   0x00
	Normal operation.
#define	INA237_RST_SYSTEM_RESET   0x01
	Trigger a system reset.
Initial ADC conversion delay (steps of 2 ms)
Initial ADC-delay argument for the INA237_CONFIG() macro.
#define	INA237_INIT_ADC_DELAY_0_S   0x00
	0 s (no delay)
#define	INA237_INIT_ADC_DELAY_2_MS   0x01
	2 ms
#define	INA237_INIT_ADC_DELAY_510_MS   0xFF
	510 ms
Shunt full-scale range across IN+ and IN−
Shunt full-scale range argument for the INA237_CONFIG() macro.
#define	INA237_ADC_RANGE_163_84   0x00
	±163.84 mV
#define	INA237_ADC_RANGE_40_96   0x01
	±40.96 mV

Detailed Description

Devicetree binding constants for the TI INA237 power monitor.