'use strict'; const fs = require('fs'); function readDeviceModel() { try { return fs.readFileSync('/proc/device-tree/model', 'utf8') .replace(/\0/g, '') .trim(); } catch (_) { return ''; } } function isRK3566() { return /RK3566/i.test(readDeviceModel()); } module.exports = { readDeviceModel, isRK3566, };