ina237.h File Reference

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

Go to the source code of this file.

Macros
#define	INA237_CFG_HIGH_PRECISION   BIT(4)
#define	INA237_OPER_MODE_SHUTDOWN   0x00
#define	INA237_OPER_MODE_BUS_VOLTAGE_TRIG   0x01
#define	INA237_OPER_MODE_SHUNT_VOLTAGE_TRIG   0x02
#define	INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG   0x03
#define	INA237_OPER_MODE_TEMP_TRIG   0x04
#define	INA237_OPER_MODE_TEMP_BUS_VOLTAGE_TRIG   0x05
#define	INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_TRIG   0x06
#define	INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_TRIG   0x07
#define	INA237_OPER_MODE_BUS_VOLTAGE_CONT   0x09
#define	INA237_OPER_MODE_SHUNT_VOLTAGE_CONT   0x0A
#define	INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT   0x0B
#define	INA237_OPER_MODE_TEMP_CONT   0x0C
#define	INA237_OPER_MODE_BUS_VOLTAGE_TEMP_CONT   0x0D
#define	INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_CONT   0x0E
#define	INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_CONT   0x0F
#define	INA237_CONV_TIME_50   0x00
#define	INA237_CONV_TIME_84   0x01
#define	INA237_CONV_TIME_150   0x02
#define	INA237_CONV_TIME_280   0x03
#define	INA237_CONV_TIME_540   0x04
#define	INA237_CONV_TIME_1052   0x05
#define	INA237_CONV_TIME_2074   0x06
#define	INA237_CONV_TIME_4120   0x07
#define	INA237_AVG_MODE_1   0x00
#define	INA237_AVG_MODE_4   0x01
#define	INA237_AVG_MODE_16   0x02
#define	INA237_AVG_MODE_64   0x03
#define	INA237_AVG_MODE_128   0x04
#define	INA237_AVG_MODE_256   0x05
#define	INA237_AVG_MODE_512   0x06
#define	INA237_AVG_MODE_1024   0x07
#define	INA237_RST_NORMAL_OPERATION   0x00
#define	INA237_RST_SYSTEM_RESET   0x01
#define	INA237_INIT_ADC_DELAY_0_S   0x00
#define	INA237_INIT_ADC_DELAY_2_MS   0x01
#define	INA237_INIT_ADC_DELAY_510_MS   0xFF
#define	INA237_ADC_RANGE_163_84   0x00
#define	INA237_ADC_RANGE_40_96   0x01
#define	INA237_CONFIG(rst_mode, convdly, adc_range)    (((rst_mode) << 15) | ((convdly) << 6) | ((adc_range) << 4))
	Macro for creating the INA237 configuration value.
#define	INA237_ADC_CONFIG(mode, vshct, vbusct, vtct, avg)    (((mode) << 12) | ((vbusct) << 9) | ((vshct) << 6) | ((vtct) << 3) | (avg))
	Macro for creating the INA237 ADC configuration value.

Macro Definition Documentation

INA237_ADC_CONFIG

#define INA237_ADC_CONFIG	(		mode,
			vshct,
			vbusct,
			vtct,
			avg
	)		(((mode) << 12) | ((vbusct) << 9) | ((vshct) << 6) | ((vtct) << 3) | (avg))

Macro for creating the INA237 ADC configuration value.

Parameters

mode	Operating mode.
vshct	Conversion time for shunt voltage.
vbusct	Conversion time for bus voltage.
vtct	Conversion time for temperature.
avg	Averaging mode.

INA237_ADC_RANGE_163_84

#define INA237_ADC_RANGE_163_84   0x00

INA237_ADC_RANGE_40_96

#define INA237_ADC_RANGE_40_96   0x01

INA237_AVG_MODE_1

#define INA237_AVG_MODE_1   0x00

INA237_AVG_MODE_1024

#define INA237_AVG_MODE_1024   0x07

INA237_AVG_MODE_128

#define INA237_AVG_MODE_128   0x04

INA237_AVG_MODE_16

#define INA237_AVG_MODE_16   0x02

INA237_AVG_MODE_256

#define INA237_AVG_MODE_256   0x05

INA237_AVG_MODE_4

#define INA237_AVG_MODE_4   0x01

INA237_AVG_MODE_512

#define INA237_AVG_MODE_512   0x06

INA237_AVG_MODE_64

#define INA237_AVG_MODE_64   0x03

INA237_CFG_HIGH_PRECISION

#define INA237_CFG_HIGH_PRECISION   BIT(4)

INA237_CONFIG

#define INA237_CONFIG	(		rst_mode,
			convdly,
			adc_range
	)		(((rst_mode) << 15) | ((convdly) << 6) | ((adc_range) << 4))

Macro for creating the INA237 configuration value.

Parameters

rst_mode	Reset mode.
convdly	Delay for initial ADC conversion in steps of 2 ms.
adc_range	Shunt full scale range selection across IN+ and IN–.

INA237_CONV_TIME_1052

#define INA237_CONV_TIME_1052   0x05

INA237_CONV_TIME_150

#define INA237_CONV_TIME_150   0x02

INA237_CONV_TIME_2074

#define INA237_CONV_TIME_2074   0x06

INA237_CONV_TIME_280

#define INA237_CONV_TIME_280   0x03

INA237_CONV_TIME_4120

#define INA237_CONV_TIME_4120   0x07

INA237_CONV_TIME_50

#define INA237_CONV_TIME_50   0x00

INA237_CONV_TIME_540

#define INA237_CONV_TIME_540   0x04

INA237_CONV_TIME_84

#define INA237_CONV_TIME_84   0x01

INA237_INIT_ADC_DELAY_0_S

#define INA237_INIT_ADC_DELAY_0_S   0x00

INA237_INIT_ADC_DELAY_2_MS

#define INA237_INIT_ADC_DELAY_2_MS   0x01

INA237_INIT_ADC_DELAY_510_MS

#define INA237_INIT_ADC_DELAY_510_MS   0xFF

INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_CONT

#define INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_CONT   0x0F

INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_TRIG

#define INA237_OPER_MODE_BUS_SHUNT_VOLTAGE_TEMP_TRIG   0x07

INA237_OPER_MODE_BUS_VOLTAGE_CONT

#define INA237_OPER_MODE_BUS_VOLTAGE_CONT   0x09

INA237_OPER_MODE_BUS_VOLTAGE_TEMP_CONT

#define INA237_OPER_MODE_BUS_VOLTAGE_TEMP_CONT   0x0D

INA237_OPER_MODE_BUS_VOLTAGE_TRIG

#define INA237_OPER_MODE_BUS_VOLTAGE_TRIG   0x01

INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT

#define INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_CONT   0x0B

INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG

#define INA237_OPER_MODE_SHUNT_BUS_VOLTAGE_TRIG   0x03

INA237_OPER_MODE_SHUNT_VOLTAGE_CONT

#define INA237_OPER_MODE_SHUNT_VOLTAGE_CONT   0x0A

INA237_OPER_MODE_SHUNT_VOLTAGE_TRIG

#define INA237_OPER_MODE_SHUNT_VOLTAGE_TRIG   0x02

INA237_OPER_MODE_SHUTDOWN

#define INA237_OPER_MODE_SHUTDOWN   0x00

INA237_OPER_MODE_TEMP_BUS_VOLTAGE_TRIG

#define INA237_OPER_MODE_TEMP_BUS_VOLTAGE_TRIG   0x05

INA237_OPER_MODE_TEMP_CONT

#define INA237_OPER_MODE_TEMP_CONT   0x0C

INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_CONT

#define INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_CONT   0x0E

INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_TRIG

#define INA237_OPER_MODE_TEMP_SHUNT_VOLTAGE_TRIG   0x06

INA237_OPER_MODE_TEMP_TRIG

#define INA237_OPER_MODE_TEMP_TRIG   0x04

INA237_RST_NORMAL_OPERATION

#define INA237_RST_NORMAL_OPERATION   0x00

INA237_RST_SYSTEM_RESET

#define INA237_RST_SYSTEM_RESET   0x01