send-buffer-to-display

wayland/sh1107-oled-i2c/send-buffer-to-display

Push data currently in RAM to display. Drawing operations are not visible until this function is called. Call after each graphics command, or after a whole set of graphics commands, as best needed by one's own application.
send-buffer-to-display
@/send-buffer-to-display
Push data currently in RAM to display. Drawing operations are not visible until this function is called. Call after each graphics command, or after a whole set of graphics commands, as best needed by one's own application.
DEV@/sh1107-oled-i2c-device
An SH1107 OLED device.
UPDpulse
send-buffer-to-display
DONE
DEV
UPD
DONEpulse
To use the node in your project you should have the wayland/sh1107-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);
        display->display();
        emitValue<output_DONE>(ctx, 1);
    }
}