measure-raw-iaq

wayland/sgp30/measure-raw-iaq

Take a single H2/ethanol raw measurement.
measure-raw-iaq
@/measure-raw-iaq
Take a single H2/ethanol raw measurement.
DEV@/sgp30-device
An SGP30 device.
UPDpulse
Update.
measure-raw-iaq
DEV
UPD
H2
EtOH
Done
Donepulse
Pulse when a measurement has completed successfully.
EtOHnumber
Raw ethanol.
H2number
Raw H2.
To use the node in your project you should have the wayland/sgp30 library installed. Use the “File → Add Library” menu item in XOD IDE if you don’t have it yet. See Using libraries for more info.

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);

        if (! sensor->IAQmeasureRaw()) {
            raiseError(ctx);
            return;
        }

        emitValue<output_H2>(ctx, sensor->rawH2);
        emitValue<output_EtOH>(ctx, sensor->rawEthanol);
        emitValue<output_Done>(ctx, 1);

    }
}