clear-display

wayland/ssd1306-oled-i2c/clear-display

Clear contents of display buffer (set all pixels to off). Changes buffer contents only, no immediate effect on display. Follow up with a call to send-buffer-to-display, or with other graphics commands as needed by one's own application.
clear-display
@/clear-display
Clear contents of display buffer (set all pixels to off). Changes buffer contents only, no immediate effect on display. Follow up with a call to send-buffer-to-display, or with other graphics commands as needed by one's own application.
DEV@/ssd1306-oled-i2c-device
An SSD1306 OLED device.
UPDpulse
Update. Triggers clear display.
clear-display
DEV
UPD
DONE
DONEpulse
Pulses on completion.
To use the node in your project you should have the wayland/ssd1306-oled-i2c 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

struct State {
};

{{ GENERATED_CODE }}

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 `Adafruit_SSD1306` class instance
    auto display = getValue<input_DEV>(ctx);

    display->clearDisplay();

    emitValue<output_DONE>(ctx, 1);
}