Werbung
$ cat /sys/class/gpio/gpio144/value
0
$ echo 1 > /sys/class/gpio/gpio137/value
$ cat /sys/class/gpio/gpio145/value
1
$ echo 0 > /sys/class/gpio/gpio138/value
$ cat /sys/class/gpio/gpio146/value
0
$ echo 1 > /sys/class/gpio/gpio139/value
$ cat /sys/class/gpio/gpio147/value
1
$ echo 1 > /sys/class/gpio/gpio132/value
$ cat /sys/class/gpio/gpio140/value
1
$ echo 0 > /sys/class/gpio/gpio133/value
$ cat /sys/class/gpio/gpio141/value
0
$ echo 1 > /sys/class/gpio/gpio134/value
$ cat /sys/class/gpio/gpio142/value
1
$ echo 0 > /sys/class/gpio/gpio135/value
$ cat /sys/class/gpio/gpio143/value
0
$ echo 1 > /sys/class/gpio/gpio136/value
$ cat /sys/class/gpio/gpio144/value
1
$ echo 0 > /sys/class/gpio/gpio137/value
$ cat /sys/class/gpio/gpio145/value
0
$ echo 1 > /sys/class/gpio/gpio138/value
$ cat /sys/class/gpio/gpio146/value
1
$ echo 0 > /sys/class/gpio/gpio139/value
$ cat /sys/class/gpio/gpio147/value
0
b. Um den GPIO-Port in Kernel-Version 5.15 zu testen, verwenden Sie den folgenden Befehl:
$ echo 644 > /sys/class/gpio/export
$ echo 645 > /sys/class/gpio/export
$ echo 646 > /sys/class/gpio/export
$ echo 647 > /sys/class/gpio/export
$ echo 648 > /sys/class/gpio/export
$ echo 649 > /sys/class/gpio/export
$ echo 650 > /sys/class/gpio/export
$ echo 651 > /sys/class/gpio/export
$ echo 652 > /sys/class/gpio/export
$ echo 653 > /sys/class/gpio/export
$ echo 654 > /sys/class/gpio/export
$ echo 655 > /sys/class/gpio/export
$ echo 656 > /sys/class/gpio/export
$ echo 657 > /sys/class/gpio/export
$ echo 658 > /sys/class/gpio/export
$ echo 659 > /sys/class/gpio/export
$ echo out > /sys/class/gpio/gpio644/direction
$ echo out > /sys/class/gpio/gpio645/direction
$ echo out > /sys/class/gpio/gpio646/direction
$ echo out > /sys/class/gpio/gpio647/direction
$ echo out > /sys/class/gpio/gpio648/direction
$ echo out > /sys/class/gpio/gpio649/direction
$ echo out > /sys/class/gpio/gpio650/direction
$ echo out > /sys/class/gpio/gpio651/direction
$ echo in > /sys/class/gpio/gpio652/direction
$ echo in > /sys/class/gpio/gpio653/direction
$ echo in > /sys/class/gpio/gpio654/direction
$ echo in > /sys/class/gpio/gpio655/direction
$ echo in > /sys/class/gpio/gpio656/direction
$ echo in > /sys/class/gpio/gpio657/direction
$ echo in > /sys/class/gpio/gpio658/direction
$ echo in > /sys/class/gpio/gpio659/direction
Einrichten des Ubuntu-Betriebssystems
105
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