digitalRead   digitalWrite   pin   pinMode

digitalRead ( n -- )

17 input pinMode
: test 
    ." pinvalue: " 
    17 digitalRead . cr 
    ;

digitalWrite ( pin value -- )

Set GPIO pin state.

pin ( pin chan -- )

Set a pin to a channel.

: pin ( pin chan -- )
    swap digitalWrite 
    ;

pinMode ( pin mode -- )

Set GPIO pin mode.