enable-led
wayland/as7341-spectrometer/enable-led
Enable control of attached LED.
enable-led
@/enable-led
Enable control of attached LED.
DEV@/as7341-device
An as7341-device.
Enableboolean
If true, LED is enabled. If false, LED is disabled.
UPDpulse
Update.
DONEpulse
Pulses if LED is successfully enabled/disabled.
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
node {
void evaluate(Context ctx) {
// The node responds only if there is an input pulse
if (!isInputDirty<input_UPD>(ctx))
return;
auto sensor = getValue<input_DEV>(ctx);
auto enable = getValue<input_Enable>(ctx);
if (!sensor->enableLED(enable)) {
raiseError(ctx);
return;
}
emitValue<output_DONE>(ctx, 1);
}
}