oled-rpi-i2c-bus-async/tests/image.js

Asynchronous NodeJS module for controlling oled devices on the Raspbery Pi (including the SSD1306 and SH1106 OLED screens)

import i2c from 'i2c-bus';
import SSD1306 from '../oled.mjs';
import font from 'oled-font-pack';

const HEIGHT = 64;
const WIDTH = 128;
const opts = {
	width: WIDTH,
	height: HEIGHT,
	address: 0x3c,
	bus: 3,
	driver: 'SH1106',
};

const initializeDisplay = async () => {
	try {
		const i2cBus = await i2c.openPromisified(opts.bus || 3);
		const oled = new SSD1306(i2cBus, opts);

		await oled.clearDisplay(true);
		await oled.image(
			0,
			0,
			'WaterBrain.png',
			font.oled_5x7,
			false,
			false,
			true,
			false
		);

		setTimeout(async () => {
			await oled.image(0, 0, '', font.oled_5x7, true, true, false, false);
			await oled.image(
				30,
				3,
				'rpi-frambuesa.png',
				font.oled_5x7,
				true,
				false,
				false,
				false
			);
		}, 5000);
	} catch (err) {
		console.log(err.message);
		process.exit(1);
	}
};

initializeDisplay();