clear-display

rcb71/seeed-lcd-16x2/clear-display

Clears the display on an LCD-RGB device.
clear-display
@/clear-display
Clears the display on an LCD-RGB device.
DEV@/text-lcd-rgb-device
UPDpulse
clear-display
DEV
UPD
DEV_
DONE
DONEpulse
DEV_@/text-lcd-rgb-device
To use the node in your project you should have the rcb71/seeed-lcd-16x2 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) {
        auto t = getValue<input_DEV>(ctx);
        if (isInputDirty<input_UPD>(ctx)) {
            t.lcd->clear();
            emitValue<output_DONE>(ctx, 1);
        }

        emitValue<output_DEV_>(ctx, t);
    }
}