control/preload.js

const { contextBridge, ipcRenderer } = require('electron')
const HID = require('node-hid');
const devices = HID.devices()
const logitech = devices.filter(el => el.manufacturer == 'Logitech')
const data = new HID.HID(logitech[0].vendorId, logitech[0].productId)
// data.on('data', db => {
//   // 拨片 2 是右拨片，1是左拨片，0是取消
//   const bp = db[6] === 2 ? '右拨片' : db[6] === 1 ? "左拨片" : ''
//   const fx = parseInt(db[44], 10)  // 转10进制
//   const fxp = fx < 123 ? '左轮' + fx : fx > 132 ? '右轮' + fx : ''
//   const ym = parseInt(db[46], 10) //油门
//   console.log(66, bp, fxp, 255 - ym);

// })


contextBridge.exposeInMainWorld('$electron', {
  send: (channel, args) => ipcRenderer.send(channel, args),
  once: (channel, listener) => ipcRenderer.once(channel, listener),
  on: (channel, listener) => ipcRenderer.on(channel, listener),
  onContrl: (callBack) => data.on('data', db => callBack(db))
})