opengpio/src/bindings.ts

A performant c++ based general purpose GPIO controller for linux devices. OpenGPIO is written using libgpiod, line & chip based abstractions.

import binding from 'bindings';
import { type OpenGpioBindings } from './types';
import { debug as debugLogger } from './debug';
const debug = debugLogger.extend('bindings');

let bindings: OpenGpioBindings;

const mocked = process.env.OPENGPIO_MOCKED === 'true';
if (!mocked) {
    debug('Loading bindings...');
    bindings = binding('opengpio');
} else {
    // Mocked bindings
    debug('Using mocked bindings...');
    bindings = {
        info: () => 'mocked',
        input: () => [() => true, () => {}],
        output: () => [() => {}, () => {}],
        pwm: () => [() => {}, () => {}, () => {}],
        watch: () => [() => true, () => {}]
    };
}

export { bindings, mocked };