gpioset - libgpiod command-line utility
gpioset [OPTIONS] <line=value>...
Set values of GPIO lines.
Lines are specified by name, or optionally by offset if the chip
option is provided. Values may be '1' or '0', or equivalently
'active'/'inactive' or 'on'/'off'.
The line output state is maintained until the process exits, but
after that is not guaranteed.
- --banner
- display a banner on successful startup
- -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 'gpioset')
- -d, --drive
<drive>
- specify the line drive mode Possible values: 'push-pull', 'open-drain',
'open-source'. (default is 'push-pull')
- -h, --help
- display this help and exit
- -l,
--active-low
- treat the line as active low
- -p, --hold-period
<period>
- the minimum time period to hold lines at the requested values
- -s, --strict
- abort if requested line names are not unique
- -t, --toggle
<period>[,period]...
- toggle the line(s) after the specified period(s) If the last period is 0
then gpioset exits else the sequence repeats.
- --unquoted
- don't quote line names
- -v, --version
- output version information and exit
- -z,
--daemonize
- set values then detach from the controlling terminal
- 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 are taken as milliseconds unless units are specified. e.g. 10us.
Supported units are 'm', 's', 'ms', and 'us' for minutes, seconds,
milliseconds and microseconds respectively.
- It should not be assumed that a line will retain its state after gpioset
exits. When a process exits, any GPIO lines it has requested are
automatically released. Once released, the state of a line may be modified
by the kernel or another process. To guarantee the requested value, by
default gpioset does not exit.
Bartosz Golaszewski <brgl@bgdev.pl>
Report bugs to:
Bartosz Golaszewski <brgl@bgdev.pl>
linux-gpio <linux-gpio@vger.kernel.org>
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.