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.
DONEpulse
Pulses on completion.
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);
display->clearDisplay();
emitValue<output_DONE>(ctx, 1);
}