#include <string.h>
#include <px4_platform_common/px4_config.h>
#include <px4_platform_common/getopt.h>
#include <drivers/device/i2c.h>
#include <lib/parameters/param.h>
#include <lib/perf/perf_counter.h>
#include <drivers/drv_hrt.h>
#include <uORB/uORB.h>
#include <uORB/topics/power_monitor.h>
#include <px4_platform_common/px4_work_queue/ScheduledWorkItem.hpp>

Include dependency graph for ina226.cpp:

Classes
class	INA226

Namespaces
	ina226
	Local functions in support of the shell command.

Macros
#define	INA226_RAW

#define	INA226_BUS_DEFAULT PX4_I2C_BUS_EXPANSION

#define	INA226_BASEADDR 0x41 /* 7-bit address. 8-bit address is 0x41 */

#define	INA226_REG_CONFIGURATION (0x00)

#define	INA226_REG_SHUNTVOLTAGE (0x01)

#define	INA226_REG_BUSVOLTAGE (0x02)

#define	INA226_REG_POWER (0x03)

#define	INA226_REG_CURRENT (0x04)

#define	INA226_REG_CALIBRATION (0x05)

#define	INA226_REG_MASKENABLE (0x06)

#define	INA226_REG_ALERTLIMIT (0x07)

#define	INA226_MFG_ID (0xfe)

#define	INA226_MFG_DIEID (0xff)

#define	INA226_MFG_ID_TI (0x5449)

#define	INA226_MFG_DIE (0x2260)

#define	INA226_MODE_SHIFTS (0)

#define	INA226_MODE_MASK (7 << INA226_MODE_SHIFTS)

#define	INA226_MODE_SHUTDOWN (0 << INA226_MODE_SHIFTS)

#define	INA226_MODE_SHUNT_TRIG (1 << INA226_MODE_SHIFTS)

#define	INA226_MODE_BUS_TRIG (2 << INA226_MODE_SHIFTS)

#define	INA226_MODE_SHUNT_BUS_TRIG (3 << INA226_MODE_SHIFTS)

#define	INA226_MODE_ADC_OFF (4 << INA226_MODE_SHIFTS)

#define	INA226_MODE_SHUNT_CONT (5 << INA226_MODE_SHIFTS)

#define	INA226_MODE_BUS_CONT (6 << INA226_MODE_SHIFTS)

#define	INA226_MODE_SHUNT_BUS_CONT (7 << INA226_MODE_SHIFTS)

#define	INA226_VSHCT_SHIFTS (3)

#define	INA226_VSHCT_MASK (7 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_140US (0 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_204US (1 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_332US (2 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_588US (3 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_1100US (4 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_2116US (5 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_4156US (6 << INA226_VSHCT_SHIFTS)

#define	INA226_VSHCT_8244US (7 << INA226_VSHCT_SHIFTS)

#define	INA226_VBUSCT_SHIFTS (6)

#define	INA226_VBUSCT_MASK (7 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_140US (0 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_204US (1 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_332US (2 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_588US (3 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_1100US (4 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_2116US (5 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_4156US (6 << INA226_VBUSCT_SHIFTS)

#define	INA226_VBUSCT_8244US (7 << INA226_VBUSCT_SHIFTS)

#define	INA226_AVERAGES_SHIFTS (9)

#define	INA226_AVERAGES_MASK (7 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_1 (0 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_4 (1 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_16 (2 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_64 (3 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_128 (4 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_256 (5 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_512 (6 << INA226_AVERAGES_SHIFTS)

#define	INA226_AVERAGES_1024 (7 << INA226_AVERAGES_SHIFTS)

#define	INA226_CONFIG (INA226_MODE_SHUNT_BUS_CONT \| INA226_VSHCT_588US \| INA226_VBUSCT_588US \| INA226_AVERAGES_64)

#define	INA226_RST (1 << 15)

#define	INA226_LEN (1 << 0)

#define	INA226_APOL (1 << 1)

#define	INA226_OVF (1 << 2)

#define	INA226_CVRF (1 << 3)

#define	INA226_AFF (1 << 4)

#define	INA226_CNVR (1 << 10)

#define	INA226_POL (1 << 11)

#define	INA226_BUL (1 << 12)

#define	INA226_BOL (1 << 13)

#define	INA226_SUL (1 << 14)

#define	INA226_SOL (1 << 15)

#define	INA226_CONVERSION_INTERVAL (100000-7) /* 100 ms / 10 Hz */

#define	MAX_CURRENT 164.0f /* 164 Amps */

#define	DN_MAX 32768.0f /* 2^15 */

#define	INA226_CONST 0.00512f /* is an internal fixed value used to ensure scaling is maintained properly */

#define	INA226_SHUNT 0.0005f /* Shunt is 500 uOhm */

#define	INA226_VSCALE 0.00125f /* LSB of voltage is 1.25 mV */

#define	swap16(w) __builtin_bswap16((w))

Functions
__EXPORT int	ina226_main (int argc, char *argv[])

int	ina226::start ()
	Attempt to start driver on all available I2C busses. More...

int	ina226::start_bus (int i2c_bus)
	Start the driver on a specific bus. More...

int	ina226::stop ()
	Stop the driver. More...

int	ina226::info ()
	Print a little info about the driver. More...

static void	ina2262_usage ()

Variables
INA226 *	ina226::g_dev

Detailed Description

Author: David Sidrane david.nosp@m._s5@.nosp@m.usa.n.nosp@m.et

Driver for the I2C attached INA226

Definition in file ina226.cpp.

Macro Definition Documentation

◆ DN_MAX

#define DN_MAX 32768.0f /* 2^15 */

Definition at line 139 of file ina226.cpp.

Referenced by INA226::INA226().

◆ INA226_AFF

#define INA226_AFF (1 << 4)

Definition at line 128 of file ina226.cpp.

◆ INA226_APOL

#define INA226_APOL (1 << 1)

Definition at line 125 of file ina226.cpp.

◆ INA226_AVERAGES_1

#define INA226_AVERAGES_1 (0 << INA226_AVERAGES_SHIFTS)

Definition at line 109 of file ina226.cpp.

◆ INA226_AVERAGES_1024

#define INA226_AVERAGES_1024 (7 << INA226_AVERAGES_SHIFTS)

Definition at line 116 of file ina226.cpp.

◆ INA226_AVERAGES_128

#define INA226_AVERAGES_128 (4 << INA226_AVERAGES_SHIFTS)

Definition at line 113 of file ina226.cpp.

◆ INA226_AVERAGES_16

#define INA226_AVERAGES_16 (2 << INA226_AVERAGES_SHIFTS)

Definition at line 111 of file ina226.cpp.

◆ INA226_AVERAGES_256

#define INA226_AVERAGES_256 (5 << INA226_AVERAGES_SHIFTS)

Definition at line 114 of file ina226.cpp.

◆ INA226_AVERAGES_4

#define INA226_AVERAGES_4 (1 << INA226_AVERAGES_SHIFTS)

Definition at line 110 of file ina226.cpp.

◆ INA226_AVERAGES_512

#define INA226_AVERAGES_512 (6 << INA226_AVERAGES_SHIFTS)

Definition at line 115 of file ina226.cpp.

◆ INA226_AVERAGES_64

#define INA226_AVERAGES_64 (3 << INA226_AVERAGES_SHIFTS)

Definition at line 112 of file ina226.cpp.

◆ INA226_AVERAGES_MASK

#define INA226_AVERAGES_MASK (7 << INA226_AVERAGES_SHIFTS)

Definition at line 108 of file ina226.cpp.

◆ INA226_AVERAGES_SHIFTS

#define INA226_AVERAGES_SHIFTS (9)

Definition at line 107 of file ina226.cpp.

◆ INA226_BASEADDR

#define INA226_BASEADDR 0x41 /* 7-bit address. 8-bit address is 0x41 */

Definition at line 56 of file ina226.cpp.

Referenced by INA226::init().

◆ INA226_BOL

#define INA226_BOL (1 << 13)

Definition at line 133 of file ina226.cpp.

◆ INA226_BUL

#define INA226_BUL (1 << 12)

Definition at line 132 of file ina226.cpp.

◆ INA226_BUS_DEFAULT

#define INA226_BUS_DEFAULT PX4_I2C_BUS_EXPANSION

Definition at line 55 of file ina226.cpp.

Referenced by ina2262_usage(), and ina226_main().

◆ INA226_CNVR

#define INA226_CNVR (1 << 10)

Definition at line 130 of file ina226.cpp.

◆ INA226_CONFIG

#define INA226_CONFIG (INA226_MODE_SHUNT_BUS_CONT | INA226_VSHCT_588US | INA226_VBUSCT_588US | INA226_AVERAGES_64)

Definition at line 118 of file ina226.cpp.

Referenced by INA226::INA226().

◆ INA226_CONST

#define INA226_CONST 0.00512f /* is an internal fixed value used to ensure scaling is maintained properly */

Definition at line 140 of file ina226.cpp.

Referenced by INA226::init().

◆ INA226_CONVERSION_INTERVAL

#define INA226_CONVERSION_INTERVAL (100000-7) /* 100 ms / 10 Hz */

Definition at line 137 of file ina226.cpp.

Referenced by INA226::Run(), and INA226::start().

◆ INA226_CVRF

#define INA226_CVRF (1 << 3)

Definition at line 127 of file ina226.cpp.

◆ INA226_LEN

#define INA226_LEN (1 << 0)

Definition at line 124 of file ina226.cpp.

◆ INA226_MFG_DIE

#define INA226_MFG_DIE (0x2260)

Definition at line 71 of file ina226.cpp.

Referenced by INA226::probe().

◆ INA226_MFG_DIEID

#define INA226_MFG_DIEID (0xff)

Definition at line 68 of file ina226.cpp.

Referenced by INA226::probe().

◆ INA226_MFG_ID

#define INA226_MFG_ID (0xfe)

Definition at line 67 of file ina226.cpp.

Referenced by INA226::probe().

◆ INA226_MFG_ID_TI

#define INA226_MFG_ID_TI (0x5449)

Definition at line 70 of file ina226.cpp.

Referenced by INA226::probe().

◆ INA226_MODE_ADC_OFF

#define INA226_MODE_ADC_OFF (4 << INA226_MODE_SHIFTS)

Definition at line 80 of file ina226.cpp.

◆ INA226_MODE_BUS_CONT

#define INA226_MODE_BUS_CONT (6 << INA226_MODE_SHIFTS)

Definition at line 82 of file ina226.cpp.

◆ INA226_MODE_BUS_TRIG

#define INA226_MODE_BUS_TRIG (2 << INA226_MODE_SHIFTS)

Definition at line 78 of file ina226.cpp.

◆ INA226_MODE_MASK

#define INA226_MODE_MASK (7 << INA226_MODE_SHIFTS)

Definition at line 75 of file ina226.cpp.

Referenced by INA226::INA226().

◆ INA226_MODE_SHIFTS

#define INA226_MODE_SHIFTS (0)

Definition at line 74 of file ina226.cpp.

Referenced by INA226::INA226().

◆ INA226_MODE_SHUNT_BUS_CONT

#define INA226_MODE_SHUNT_BUS_CONT (7 << INA226_MODE_SHIFTS)

Definition at line 83 of file ina226.cpp.

◆ INA226_MODE_SHUNT_BUS_TRIG

#define INA226_MODE_SHUNT_BUS_TRIG (3 << INA226_MODE_SHIFTS)

Definition at line 79 of file ina226.cpp.

Referenced by INA226::INA226().

◆ INA226_MODE_SHUNT_CONT

#define INA226_MODE_SHUNT_CONT (5 << INA226_MODE_SHIFTS)

Definition at line 81 of file ina226.cpp.

◆ INA226_MODE_SHUNT_TRIG

#define INA226_MODE_SHUNT_TRIG (1 << INA226_MODE_SHIFTS)

Definition at line 77 of file ina226.cpp.

◆ INA226_MODE_SHUTDOWN

#define INA226_MODE_SHUTDOWN (0 << INA226_MODE_SHIFTS)

Definition at line 76 of file ina226.cpp.

◆ INA226_OVF

#define INA226_OVF (1 << 2)

Definition at line 126 of file ina226.cpp.

◆ INA226_POL

#define INA226_POL (1 << 11)

Definition at line 131 of file ina226.cpp.

◆ INA226_RAW

#define INA226_RAW

Definition at line 40 of file ina226.cpp.

◆ INA226_REG_ALERTLIMIT

#define INA226_REG_ALERTLIMIT (0x07)

Definition at line 66 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_REG_BUSVOLTAGE

#define INA226_REG_BUSVOLTAGE (0x02)

Definition at line 61 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_REG_CALIBRATION

#define INA226_REG_CALIBRATION (0x05)

Definition at line 64 of file ina226.cpp.

Referenced by INA226::collect(), and INA226::init().

◆ INA226_REG_CONFIGURATION

#define INA226_REG_CONFIGURATION (0x00)

Definition at line 59 of file ina226.cpp.

Referenced by INA226::collect(), INA226::init(), and INA226::measure().

◆ INA226_REG_CURRENT

#define INA226_REG_CURRENT (0x04)

Definition at line 63 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_REG_MASKENABLE

#define INA226_REG_MASKENABLE (0x06)

Definition at line 65 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_REG_POWER

#define INA226_REG_POWER (0x03)

Definition at line 62 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_REG_SHUNTVOLTAGE

#define INA226_REG_SHUNTVOLTAGE (0x01)

Definition at line 60 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_RST

#define INA226_RST (1 << 15)

Definition at line 120 of file ina226.cpp.

Referenced by INA226::init().

◆ INA226_SHUNT

#define INA226_SHUNT 0.0005f /* Shunt is 500 uOhm */

Definition at line 141 of file ina226.cpp.

Referenced by INA226::INA226(), and INA226::init().

◆ INA226_SOL

#define INA226_SOL (1 << 15)

Definition at line 135 of file ina226.cpp.

◆ INA226_SUL

#define INA226_SUL (1 << 14)

Definition at line 134 of file ina226.cpp.

◆ INA226_VBUSCT_1100US

#define INA226_VBUSCT_1100US (4 << INA226_VBUSCT_SHIFTS)

Definition at line 102 of file ina226.cpp.

◆ INA226_VBUSCT_140US

#define INA226_VBUSCT_140US (0 << INA226_VBUSCT_SHIFTS)

Definition at line 98 of file ina226.cpp.

◆ INA226_VBUSCT_204US

#define INA226_VBUSCT_204US (1 << INA226_VBUSCT_SHIFTS)

Definition at line 99 of file ina226.cpp.

◆ INA226_VBUSCT_2116US

#define INA226_VBUSCT_2116US (5 << INA226_VBUSCT_SHIFTS)

Definition at line 103 of file ina226.cpp.

◆ INA226_VBUSCT_332US

#define INA226_VBUSCT_332US (2 << INA226_VBUSCT_SHIFTS)

Definition at line 100 of file ina226.cpp.

◆ INA226_VBUSCT_4156US

#define INA226_VBUSCT_4156US (6 << INA226_VBUSCT_SHIFTS)

Definition at line 104 of file ina226.cpp.

◆ INA226_VBUSCT_588US

#define INA226_VBUSCT_588US (3 << INA226_VBUSCT_SHIFTS)

Definition at line 101 of file ina226.cpp.

◆ INA226_VBUSCT_8244US

#define INA226_VBUSCT_8244US (7 << INA226_VBUSCT_SHIFTS)

Definition at line 105 of file ina226.cpp.

◆ INA226_VBUSCT_MASK

#define INA226_VBUSCT_MASK (7 << INA226_VBUSCT_SHIFTS)

Definition at line 97 of file ina226.cpp.

◆ INA226_VBUSCT_SHIFTS

#define INA226_VBUSCT_SHIFTS (6)

Definition at line 96 of file ina226.cpp.

◆ INA226_VSCALE

#define INA226_VSCALE 0.00125f /* LSB of voltage is 1.25 mV */

Definition at line 142 of file ina226.cpp.

Referenced by INA226::collect().

◆ INA226_VSHCT_1100US

#define INA226_VSHCT_1100US (4 << INA226_VSHCT_SHIFTS)

Definition at line 91 of file ina226.cpp.

◆ INA226_VSHCT_140US

#define INA226_VSHCT_140US (0 << INA226_VSHCT_SHIFTS)

Definition at line 87 of file ina226.cpp.

◆ INA226_VSHCT_204US

#define INA226_VSHCT_204US (1 << INA226_VSHCT_SHIFTS)

Definition at line 88 of file ina226.cpp.

◆ INA226_VSHCT_2116US

#define INA226_VSHCT_2116US (5 << INA226_VSHCT_SHIFTS)

Definition at line 92 of file ina226.cpp.

◆ INA226_VSHCT_332US

#define INA226_VSHCT_332US (2 << INA226_VSHCT_SHIFTS)

Definition at line 89 of file ina226.cpp.

◆ INA226_VSHCT_4156US

#define INA226_VSHCT_4156US (6 << INA226_VSHCT_SHIFTS)

Definition at line 93 of file ina226.cpp.

◆ INA226_VSHCT_588US

#define INA226_VSHCT_588US (3 << INA226_VSHCT_SHIFTS)

Definition at line 90 of file ina226.cpp.

◆ INA226_VSHCT_8244US

#define INA226_VSHCT_8244US (7 << INA226_VSHCT_SHIFTS)

Definition at line 94 of file ina226.cpp.

◆ INA226_VSHCT_MASK

#define INA226_VSHCT_MASK (7 << INA226_VSHCT_SHIFTS)

Definition at line 86 of file ina226.cpp.

◆ INA226_VSHCT_SHIFTS

#define INA226_VSHCT_SHIFTS (3)

Definition at line 85 of file ina226.cpp.

◆ MAX_CURRENT

#define MAX_CURRENT 164.0f /* 164 Amps */

Definition at line 138 of file ina226.cpp.

Referenced by INA226::INA226().

◆ swap16

#define swap16 ( w ) __builtin_bswap16((w))

Definition at line 144 of file ina226.cpp.

Referenced by INA226::read().

Function Documentation

◆ ina2262_usage()

static void ina2262_usage ( )

static

Definition at line 613 of file ina226.cpp.

References INA226_BUS_DEFAULT.

Referenced by ina226_main().

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◆ ina226_main()

int ina226_main	(	int	argc,
		char *	argv[]
	)

Definition at line 624 of file ina226.cpp.

References ina2262_usage(), INA226_BUS_DEFAULT, ina226::info(), ina226::start(), ina226::start_bus(), and ina226::stop().

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Classes

Namespaces

Macros

Functions

Variables

Detailed Description

Macro Definition Documentation

◆ DN_MAX

◆ INA226_AFF

◆ INA226_APOL

◆ INA226_AVERAGES_1

◆ INA226_AVERAGES_1024

◆ INA226_AVERAGES_128

◆ INA226_AVERAGES_16

◆ INA226_AVERAGES_256

◆ INA226_AVERAGES_4

◆ INA226_AVERAGES_512

◆ INA226_AVERAGES_64

◆ INA226_AVERAGES_MASK

◆ INA226_AVERAGES_SHIFTS

◆ INA226_BASEADDR

◆ INA226_BOL

◆ INA226_BUL

◆ INA226_BUS_DEFAULT

◆ INA226_CNVR

◆ INA226_CONFIG

◆ INA226_CONST

◆ INA226_CONVERSION_INTERVAL

◆ INA226_CVRF

◆ INA226_LEN

◆ INA226_MFG_DIE

◆ INA226_MFG_DIEID

◆ INA226_MFG_ID

◆ INA226_MFG_ID_TI

◆ INA226_MODE_ADC_OFF

◆ INA226_MODE_BUS_CONT

◆ INA226_MODE_BUS_TRIG

◆ INA226_MODE_MASK

◆ INA226_MODE_SHIFTS

◆ INA226_MODE_SHUNT_BUS_CONT

◆ INA226_MODE_SHUNT_BUS_TRIG

◆ INA226_MODE_SHUNT_CONT

◆ INA226_MODE_SHUNT_TRIG

◆ INA226_MODE_SHUTDOWN

◆ INA226_OVF

◆ INA226_POL

◆ INA226_RAW

◆ INA226_REG_ALERTLIMIT

◆ INA226_REG_BUSVOLTAGE

◆ INA226_REG_CALIBRATION

◆ INA226_REG_CONFIGURATION

◆ INA226_REG_CURRENT

◆ INA226_REG_MASKENABLE

◆ INA226_REG_POWER

◆ INA226_REG_SHUNTVOLTAGE

◆ INA226_RST

◆ INA226_SHUNT

◆ INA226_SOL

◆ INA226_SUL

◆ INA226_VBUSCT_1100US

◆ INA226_VBUSCT_140US

◆ INA226_VBUSCT_204US

◆ INA226_VBUSCT_2116US

◆ INA226_VBUSCT_332US

◆ INA226_VBUSCT_4156US

◆ INA226_VBUSCT_588US

◆ INA226_VBUSCT_8244US

◆ INA226_VBUSCT_MASK

◆ INA226_VBUSCT_SHIFTS

◆ INA226_VSCALE

◆ INA226_VSHCT_1100US

◆ INA226_VSHCT_140US

◆ INA226_VSHCT_204US

◆ INA226_VSHCT_2116US

◆ INA226_VSHCT_332US

◆ INA226_VSHCT_4156US

◆ INA226_VSHCT_588US

◆ INA226_VSHCT_8244US

◆ INA226_VSHCT_MASK

◆ INA226_VSHCT_SHIFTS