pooliot-client/src/main-process/utils/detectBoard.js

pooliot client

import { readFileSync } from 'fs';
import envfile from 'envfile';

const getModelInfo = () => {
  try {
    return readFileSync('/proc/device-tree/model', { encoding: 'utf-8' });
  } catch (err) {
    return '';
  }
};

const getHardwareInfo = () => {
  let cpuInfo;
  try {
    cpuInfo = readFileSync('/proc/cpuinfo', { encoding: 'utf-8' });
  } catch (e) {
    return {};
  }

  const data = new Map(
    cpuInfo
      .split('\n')
      .map(line => line.replace(/\t/g, ''))
      .filter(line => line.length)
      .map((line: string) => {
        const splitted = line.split(':');
        return [
          splitted[0].trim(),
          splitted
            .slice(1)
            .join(':')
            .trim(),
        ];
      }),
  );

  return {
    model: data.get('Hardware'),
    serial: data.get('Serial'),
    revision: data.get('Revision'),
  };
};

const getOsInfo = () => {
  const snakeCaseToCamelCase = (s: string) =>
    s.toLowerCase().replace(/(_\w)/g, m => m[1].toUpperCase());

  try {
    const parsed = envfile.parseFileSync('/etc/os-release');
    const osInfo = {};
    Object.keys(parsed).forEach(key => {
      osInfo[snakeCaseToCamelCase(key)] = parsed[key];
    });

    return osInfo;
  } catch (err) {
    console.warn(err);
    return {
      id: 'unknown',
    };
  }
};

const isPi = model => model.startsWith('Raspberry Pi');

const rpiVersion = () => {
  try {
    // eslint-disable-next-line
    return require('raspi-ver');
  } catch (err) {
    return null;
  }
};

const detect = () => {
  const hardwareInfo = getHardwareInfo();
  const osInfo = getOsInfo();
  const model = getModelInfo();

  let user;

  if (osInfo.id === 'osmc') {
    user = 'osmc';
  }

  if (isPi(model)) {
    return {
      id: 'rpi',
      name: 'Raspberry PI',
      user: user || 'pi',
      info: rpiVersion(),
      os: osInfo,
      hardware: hardwareInfo,
      touchscreen: 'FT5406 memory based driver',
      sound: {
        type: 'alsamixer',
        jack: [3, 1],
        hdmi: [3, 2],
      },
    };
  }

  if (hardwareInfo.model && hardwareInfo.model.startsWith('Rockchip')) {
    return {
      id: 'tkb',
      name: 'Tinker Board',
      user: 'linaro',
      os: osInfo,
      hardware: hardwareInfo,
      touchscreen: 'fts_ts',
      sound: {
        type: 'pulseaudio',
        jack: [2],
        hdmi: [3],
      },
    };
  }

  if (hardwareInfo.model === 'Vero4K') {
    return {
      id: 'vero4k',
      name: 'Vero4K',
      user,
      os: osInfo,
      hardware: hardwareInfo,
    };
  }

  return {
    id: 'unknown',
    name: 'Unknown',
    os: osInfo,
    hardware: hardwareInfo,
  };
};

let cache;

export default () => {
  if (!cache) cache = detect();
  return cache;
};