This command, can be used to manage general purpose input/output.
This I/O pin is located on pin 3 in the infrared connector.
This isn't a power pin! Drive no more than 4mA at 3V3.
GPIO GPIO [<argument>]
| <none> | Used to get actual input status. Returns actual input status, followed by OK. |
| IN | Used to setup pin direction in input. Returns only OK. |
| OUT | Used to setup pin direction in output. Returns only OK. |
| NOTIFY | Used to be notifyed when gpio pin status changes. Returns only OK. |
| SILENT | Used to unregister notification feature on gpio pin status changes. Returns only OK. |
| SET | Used to set the status of the relative gpio pin. Returns only OK. |
| CLEAR | Used to clear the status of the relative gpio pin. Returns only OK. |
Getting pin status:
GPIO GPIO ON OK
Enable notification
GPIO GPIO NOTIFY OK
If enabled, unsolicited events will be triggered on pin status changes.
EVNT GPIO ON