start-measurement
wayland/scd4x-co2-rh-temp/start-measurement
Start periodic measurement, signal update interval is 5 seconds. This command is only available in idle mode.
start-measurement
@/start-measurement
Start periodic measurement, signal update interval is 5 seconds. This command is only available in idle mode.
DEV@/scd4x-device
An SCD4X device.
UPDpulse
Update.
OKpulse
Pulse on successfully entering measurement mode.
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 sensorError = sensor->startPeriodicMeasurement();
if (sensorError) {
raiseError(ctx);
return;
}
emitValue<output_OK>(ctx, 1);
}
}