@frezik/rpi-doorbot-ts/dist/src/reader_gpio.js

Modules to interface doorbot-ts to the Raspberry Pi

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const Doorbot = require("@frezik/doorbot-ts");
const rpi = require("rpi-gpio");
class GPIOReader extends Doorbot.Reader {
    constructor(pin) {
        super();
        this.previous_read = 0;
        this.pin = pin;
        Doorbot.init_logger();
    }
    init() {
        rpi.setMode(rpi.MODE_BCM);
        Doorbot.log.info('<Rpi.GPIOReader> Setting up on pin ' + this.pin);
        const promise = rpi.promise.setup(this.pin, rpi.DIR_IN, rpi.EDGE_RISING);
        return promise;
    }
    runOnce() {
        const promise = rpi.promise
            .read(this.pin)
            .then((is_active) => {
            let return_promise;
            if (is_active && (this.previous_read == 0)) {
                Doorbot.log.info('<Rpi.GPIOReader> Pin ' + this.pin
                    + ' is now active');
                const data = new Doorbot.ReadData("1");
                const auth_promise = this.auth.authenticate(data);
                return_promise = auth_promise;
            }
            else {
                // Not active, return dummy promise
                return_promise = new Promise((resolve, reject) => {
                    resolve(false);
                });
            }
            this.previous_read = is_active;
            return return_promise;
        });
        return promise;
    }
}
exports.GPIOReader = GPIOReader;
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