dim-display

wayland/ssd1306-oled-i2c/dim-display

Dim display. This has an immediate effect on the display, no need to use the send-buffer-to-display node -- buffer contents are not changed.
dim-display
@/dim-display
Dim display. This has an immediate effect on the display, no need to use the send-buffer-to-display node -- buffer contents are not changed.
DEV@/ssd1306-oled-i2c-device
An SSD1306 OLED device.
DIMboolean
TRUE to enable lower brightness mode, FALSE for full brightness.
UPDpulse
Update. Triggers action.
dim-display
DEV
DIM
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);

    auto dim_display = getValue<input_DIM>(ctx);

    display->dim(dim_display);

    emitValue<output_DONE>(ctx, 1);
}