utility-invert-display
hio/nwt-gus-hi/utility-invert-display
Enable or disable display invert mode (white-on-black vs black-on-white). This has an immediate effect on the display, no need to use the send-buffer-to-display node -- buffer contents are not changed, rather a different pixel mode of the display hardware is used. When
enabled, drawing BLACK (value 0) pixels will actually draw white, WHITE (value 1) will draw black.
utility-invert-display
@/utility-invert-display
Enable or disable display invert mode (white-on-black vs black-on-white). This has an immediate effect on the display, no need to use the send-buffer-to-display node -- buffer contents are not changed, rather a different pixel mode of the display hardware is used. When
enabled, drawing BLACK (value 0) pixels will actually draw white, WHITE (value 1) will draw black.
DEVwayland/ssd1306-oled-i2c/ssd1306-oled-i2c-device
An SSD1306 OLED device.
INVboolean
If true, switch to invert mode (black-on-white), else normal mode (white-on-black).
UPDpulse
Update. Trigger action.
DONEpulse
C++ implementation
#pragma XOD evaluate_on_pin disable
#pragma XOD evaluate_on_pin enable input_UPD
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 invert_display = getValue<input_INV>(ctx);
display->invertDisplay(invert_display);
emitValue<output_DONE>(ctx, 1);
}