GpioCallback
public
interface
GpioCallback
| com.google.android.things.pio.GpioCallback |
GPIO interrupt callback.
First call setEdgeTriggerType(int) to set an interrupt edge to watch, then
registerGpioCallback(Handler, GpioCallback) to start getting callbacks.
Summary
Public methods | |
|---|---|
abstract
boolean
|
onGpioEdge(Gpio gpio)
Called when an edge event triggers. |
default
void
|
onGpioError(Gpio gpio, int error)
Called when an error occurs with the interrupt event listener. |
Public methods
onGpioEdge
boolean onGpioEdge (Gpio gpio)
Called when an edge event triggers.
| Parameters | |
|---|---|
gpio |
Gpio: The Gpio that received an edge event. |
| Returns | |
|---|---|
boolean |
True to keep watching for events, false to stop. |
onGpioError
void onGpioError (Gpio gpio, int error)
Called when an error occurs with the interrupt event listener. At this point the receiver should assume that this Gpio is no longer usable. No further callbacks will be received on this object.
| Parameters | |
|---|---|
gpio |
Gpio: The Gpio that received an error. |
error |
int: An OsConstants errno code.
|
Interfaces
Classes