sunxi-pio

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

print

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 <ijc@debian.org>