gpioset − manual page for gpioset v1.6.4
gpioset [OPTIONS] <chip name/number> <offset1>=<value1> <offset2>=<value2> ...
Set GPIO line values of a GPIO chip and maintain the state until the process exits
−h, −−help:
display this message and exit
−v, −−version:
display the version and exit
−l, −−active−low:
set the line active state to low
−B, −−bias=[as−is|disable|pull−down|pull−up] (defaults to ’as−is’): |
set the line bias
−D, −−drive=[push−pull|open−drain|open−source] (defaults to ’push−pull’): |
set the line drive mode
−m, −−mode=[exit|wait|time|signal] (defaults to ’exit’): |
tell the program what to do after setting values
−s, −−sec=SEC:
specify the number of seconds to wait (only valid for −−mode=time)
−u, −−usec=USEC:
specify the number of microseconds to wait (only valid for −−mode=time)
−b, −−background:
after setting values: detach from the controlling terminal
as−is: |
leave bias unchanged |
disable:
disable bias
pull−up:
enable pull−up
pull−down:
enable pull−down
push−pull:
drive the line both high and low
open−drain:
drive the line low or go high impedance
open−source:
drive the line high or go high impedance
exit: |
set values and exit immediately |
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wait: |
set values and wait for user to press ENTER |
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time: |
set values and sleep for a specified amount of time |
signal:
set values and wait for SIGINT or SIGTERM
Note: the state of a GPIO line controlled over the character device reverts to default when the last process referencing the file descriptor representing the device file exits. This means that it’s wrong to run gpioset, have it exit and expect the line to continue being driven high or low. It may happen if given pin is floating but it must be interpreted as undefined behavior.
Bartosz Golaszewski <[email protected]>
Report bugs to:
Bartosz Golaszewski <[email protected]>
linux-gpio <[email protected]>
Copyright ©
2017−2018 Bartosz Golaszewski License: LGPLv2.1
This is free software: you are free to change and
redistribute it. There is NO WARRANTY, to the extent
permitted by law.