// init and conn
import stm32dfu from 'stm32dfu'
let deviceSettings = stm32dfu.findAllStm32Device(0x0483)  //修改0x0483为对应的vendorId
stm32dfu.getDfu(deviceSettings[0].device, deviceSettings[0])

// load dfu and flash
let dfuFile = stm32dfu.parseDfuImage([Blob])
let flashSetting = {
  logger : {
    debug: (...data) => {console.log(data)},
    info: (...data) => {console.log(data)},
    warn: (...data) => {console.log(data)},
    error: (...data) => {console.log(data)},
  },
  handler: (done, total) => {
    console.log(`${done} / ${total}`)
  }
}
stm32dfu.flash(deviceSettings[0], dfuFile, flashSetting).then()