| GPIOGET(1) | User Commands | GPIOGET(1) |
NAME
gpioget - manual page for gpioget v2.1.2
SYNOPSIS
gpioget [OPTIONS] <line>...
DESCRIPTION
Read values of GPIO lines.
Lines are specified by name, or optionally by offset if the chip option is provided.
OPTIONS
- -a, --as-is
- leave the line direction unchanged, not forced to input
- -b, --bias <bias>
- specify the line bias Possible values: 'pull-down', 'pull-up', 'disabled'. (default is to leave bias unchanged)
- --by-name
- treat lines as names even if they would parse as an offset
- -c, --chip <chip>
- restrict scope to a particular chip
-C, --consumer <name> consumer name applied to requested lines (default is 'gpioget')
- -h, --help
- display this help and exit
- -l, --active-low
- treat the line as active low
- -p, --hold-period <period>
- wait between requesting the lines and reading the values
- --numeric
- display line values as '0' (inactive) or '1' (active)
- -s, --strict
- abort if requested line names are not unique
- --unquoted
- don't quote line names
- -v, --version
- output version information and exit
Chips:
- A GPIO chip may be identified by number, name, or path. e.g. '0', 'gpiochip0', and '/dev/gpiochip0' all refer to the same chip.
Periods:
- Periods are taken as milliseconds unless units are specified. e.g. 10us. Supported units are 's', 'ms', and 'us'.
AUTHOR
Bartosz Golaszewski <brgl@bgdev.pl>
REPORTING BUGS
Report bugs to:
Bartosz Golaszewski <brgl@bgdev.pl>
linux-gpio <linux-gpio@vger.kernel.org>
COPYRIGHT
Copyright © 2017-2023 Bartosz Golaszewski License:
GPL-2.0-or-later
This is free software: you are free to change and redistribute it. There is NO
WARRANTY, to the extent permitted by law.
| August 2024 | libgpiod v2.1.2 |