loic/ina260-sysfs-driver
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ina260-sysfs-driver/README.md
Loic Guegan 4d7f9a81bb Update
2023-08-24 13:43:14 +02:00

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INA260 Linux Drivers

This project provides two drivers:

  1. ina2xx.c that is compatible with hwmon
  2. ina260.c that provides an entire support for registers and fields of the ina260 and maximize performance over compatibility

Installation

$ make
$ sudo insmod ina260.ko

Managing INA260 devices

  • Add device: echo ina260 [devaddr] > /sys/bus/i2c/devices/<bus>/new_device
  • Delete device: echo [devaddr] > /sys/bus/i2c/devices/<bus>/delete_device

Sysfs structure for the ina2xx.c

You will mostly use the lm-sensors utility.

Sysfs structure for the ina260.c

  • Overview: tree /sys/kernel/ina260
  • You can access to each device registers in /sys/kernel/ina260/<device>/registers/
  • You can access to each device register fields in /sys/kernel/ina260/<device>/fields/
  • You can access to the currently measured current, voltage and power via /sys/kernel/ina260/<device>/<power|current|voltage> (units are watts, amperes and volts respectively)

For more informations on the registers/fields, please refer to the ina260 datasheet.

Notes