set-pivot

wayland/wio-terminal-lcd/set-pivot

Set the pivot point on the LCD.
set-pivot
@/set-pivot
Set the pivot point on the LCD.
DEV@/wt-lcd-device
A wt-lcd-device.
Xnumber
X coordinate of pivot point.
Ynumber
Y coordinate of pivot point.
UPDpulse
Update.
set-pivot
DEV
X
Y
UPD
Done
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);

        tft -> setPivot(getValue<input_X>(ctx), getValue<input_Y>(ctx));

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