On So, 2016-01-24 at 20:59 +0100, Koenraad Lelong wrote: > When I run the application as 'pi', I get this : > > root@raspberrypi:/home/pi/Documents/lazarus/pascalio/koen-test# ls -l > /sys/class/gpio > totaal 0 > -rwxrwx--- 1 root gpio 4096 jan 22 22:03 export > lrwxrwxrwx 1 root gpio 0 jan 24 19:43 gpio17 -> > ../../devices/platform/soc/3f200000.gpio/gpio/gpio17 > lrwxrwxrwx 1 root gpio 0 jan 24 19:43 gpio18 -> > ../../devices/platform/soc/3f200000.gpio/gpio/gpio18 > lrwxrwxrwx 1 root gpio 0 jan 22 22:03 gpiochip0 -> > ../../devices/platform/soc/3f200000.gpio/gpio/gpiochip0 > -rwxrwx--- 1 root gpio 4096 jan 22 22:03 unexport > root@raspberrypi:/home/pi/Documents/lazarus/pascalio/koen-test# > > But the IO does not work. When I do > echo 1 > /sys/class/gpio/gpio17/value > from the command-line, the IO does not work, even when I do this as root. > > When I run the application as root, everything works as expected.
What do $ cat /etc/group | grep gpio and $ ls -lL /sys/class/gpio show? -- Marc Santhoff <[email protected]> -- _______________________________________________ Lazarus mailing list [email protected] http://lists.lazarus.freepascal.org/mailman/listinfo/lazarus
