node-red-contrib-victron-ble/dist/cli.js

node-red node to parse Instant Readout advertisement data from Victron BLE devices

#!/usr/bin/env node
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const commander_1 = require("commander");
const scanner_1 = require("./scanner");
// Singleton scanner instance
let scanner = null;
function getScanner() {
    if (!scanner) {
        scanner = new scanner_1.Scanner();
        scanner.start();
    }
    return scanner;
}
async function discoverDevices() {
    const scanner = getScanner();
    console.log('Discovering devices. Press Ctrl+C to stop.');
    process.on('SIGINT', () => {
        scanner.stop();
        process.exit(0);
    });
    let lastDevices = [];
    // Keep alive
    setInterval(() => {
        const devices = scanner.getDiscoveredDevices();
        if (JSON.stringify(devices) != JSON.stringify(lastDevices)) {
            console.log('\nDiscovered devices:');
            devices.forEach(dev => {
                console.log(`${dev.address}: ${dev.name} (RSSI: ${dev.rssi})`);
            });
            lastDevices = devices;
        }
    }, 1000);
}
async function readDeviceData(address, key) {
    const scanner = getScanner();
    scanner.setKey(address, key);
    console.log(`Reading data for ${address}. Press Ctrl+C to stop.`);
    scanner.on('parsed', (data) => {
        if (data.address.toLowerCase() === address.toLowerCase()) {
            console.log(JSON.stringify(data, null, 2));
        }
    });
    process.on('SIGINT', () => {
        scanner.stop();
        process.exit(0);
    });
    setInterval(() => { }, 1000);
}
const program = new commander_1.Command();
program
    .name('victron-ble')
    .description('Node.js library to parse Instant Readout advertisement data from Victron devices')
    .version('1.0.0');
program
    .option('-v, --verbose', 'Increase logging output')
    .hook('preAction', (thisCommand) => {
    const options = thisCommand.opts();
    if (options.verbose) {
        console.debug = console.log;
    }
    else {
        console.debug = () => { };
    }
});
program
    .command('discover')
    .description('Discover Victron devices with Instant Readout')
    .action(async () => {
    await discoverDevices();
});
program
    .command('read')
    .description('Read data from a specified device')
    .argument('<address>', 'Device address')
    .argument('<key>', 'Decryption key')
    .action(async (address, key) => {
    await readDeviceData(address, key);
});
program.parse();