Arietta G25/GPIO Kernel IDs: Unterschied zwischen den Versionen
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'''root@arietta:/sys/class/gpio# ls -al /sys/class/gpio/pio''<PINNAME>''/''' | '''root@arietta:/sys/class/gpio# ls -al /sys/class/gpio/pio''<PINNAME>''/''' | ||
ls: cannot access pio<PINNAME>/: No such file or directory | ls: cannot access pio<PINNAME>/: No such file or directory | ||
[[Kategorie:Mikrocontroller]] | |||
Aktuelle Version vom 9. Mai 2015, 23:54 Uhr
Kernel IDs
| PINNAME | Offset | Pin-Nr | KERNELID |
|---|---|---|---|
| PA0 | 0 | 0 | 0 |
| PA1 | 1 | 1 | 1 |
| ... | |||
| PB0 | 32 | 0 | 32 |
| PB1 | 32 | 1 | 33 |
| ... | |||
| PC0 | 64 | 0 | 64 |
| PC1 | 64 | 1 | 65 |
| ... | |||
| PD0 | 96 | 0 | 96 |
| PD1 | 96 | 1 | 97 |
| ... | |||
Shell Code
root@arietta:~# echo <KERNELID> > /sys/class/gpio/export root@arietta:~# ls -al /sys/class/gpio/pio<PINNAME>/ total 0 drwxr-xr-x 3 root root 0 Jan 1 02:52 . drwxr-xr-x 4 root root 0 Jan 1 02:46 .. -rw-r--r-- 1 root root 4096 Jan 1 02:52 active_low lrwxrwxrwx 1 root root 0 Jan 1 02:52 device -> ../../../fffff400.gpio -rw-r--r-- 1 root root 4096 Jan 1 02:52 direction -rw-r--r-- 1 root root 4096 Jan 1 02:52 edge drwxr-xr-x 2 root root 0 Jan 1 02:52 power lrwxrwxrwx 1 root root 0 Jan 1 02:46 subsystem -> ../../../../../../../class/gpio -rw-r--r-- 1 root root 4096 Jan 1 02:46 uevent -rw-r--r-- 1 root root 4096 Jan 1 02:52 value root@arietta:/sys/class/gpio# echo <KERNELID> > unexport root@arietta:/sys/class/gpio# ls -al /sys/class/gpio/pio<PINNAME>/ ls: cannot access pio<PINNAME>/: No such file or directory
