Digital read example#
 
Code#
while : true {
    if : digital_read(P1_29) {
        digital_write(P1_31, false);
    }
    else {
        digital_write(P1_31, true);
    }
}
- Following code works on PocketBeagle, to use on other boards, please change the pins accordingly. 
Explanation#
This code runs a never ending loop, since it is while : true. Inside
while it checks if header pin P1_29 is HIGH or LOW. If header pin
P1_29 is HIGH, header pin P1_31 is set to LOW, and if header pin P1_29
is LOW, header pin P1_31 is set to HIGH.