fill(wt-lcd-device)

wayland/wio-terminal-lcd/fill(wt-lcd-device)

Fill screen with specified color.
fill(wt-lcd-device)
@/fill(wt-lcd-device)
Fill screen with specified color.
DEV@/wt-lcd-device
A wt-lcd-device.
Colorxod/color/color
Fill color.
UPDpulse
Update.
fill(wt-lcd-device)
Done
DEV
Color
UPD
Donepulse
Pulse on completion.
To use the node in your project you should have the wayland/wio-terminal-lcd 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;

        // Get a pointer to the `TFT_eSPI tft` class instance
        auto tft = getValue<input_DEV>(ctx);

        XColor color24 = getValue<input_Color>(ctx);
        uint16_t color16 = ((color24.r & 0xF8) << 8) | ((color24.g & 0xFC) << 3) | (color24.b >> 3);
        

        tft -> fillScreen(color16);

        emitValue<output_Done>(ctx, 1);
    }
}