NAME
sunxi-pio - manipulate PIO (GPIO and pinmux) on sunxi devices
SYNOPSIS
sunxi-pio -m|-i input [ -o output ] pin
DESCRIPTION
sunxi-pio manipulates PIO (GPIO and pinmux) on sunxi devices
OPTIONS
- -m
-
mmap - read pin state from system
- -i
-
read pin state from file
- -o
-
save pin state data to file
Show all pins
Pxx
Show pin
Pxx<mode><pull><drive><data>
Configure pin
Pxx=data,drive
Configure GPIO output
Pxx*count
Oscillate GPIO output (mmap mode only)
Pxx?pull
Configure GPIO input
clean
Clean input pins
SEE ALSO
⟨https://linux-sunxi.org/Sunxi-tools#sunxi-pio⟩
AUTHOR
Ian Campbell <[email protected]>