dim-display

wayland/sh1106g-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@/sh1106g-oled-i2c-device
An SH1106G 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/sh1106g-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

#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD

node {
    void evaluate(Context ctx) {
        if (!isInputDirty<input_UPD>(ctx))
            return;
        auto display = getValue<input_DEV>(ctx);
        auto dim_display = getValue<input_DIM>(ctx);
        display->dim(dim_display);
        emitValue<output_DONE>(ctx, 1);
    }
}