usb_device 0.0.3 copy "usb_device: ^0.0.3" to clipboard
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Flutter plugin for connecting/accessing usb device.

License: MIT pub dev webusb

USB Device plugin #

Apparence.io logo

Developed with 💙  by Apparence.io

This plugin provide access to USB devices from web pages with WebUSB.

Platform Support #

Android iOS MacOS Web Linux Windows
✔️

Usage #

import 'package:usb_device/usb_device.dart';

final UsbDevice usbDevice = UsbDevice();

var pairedDevices = await usbDevice.pairedDevices; // get paired devices
var pairedDevice = await usbDevice.requestDevices([DeviceFilter(vendorId : 0x00, productId: 0x00)]); // par a device 
List<USBConfiguration> availableConfigurations = await usbDevice.getAvailableConfigurations(pairedDevice); // get device's configurations 
USBDeviceInfo deviceInfo = await usbDevice.getPairedDeviceInfo(pairedDevice); // get device's info
await usbDevice.open(pairedDevice); // start session
await usbDevice.close(pairedDevice); // close session

Implementation #

USB #

  • getDevices() : Get paired attached devices
  • requestDevice(filters): pair a device with filter or not

USBDevice #

  • Get device info with configuration
  • open(): Start session
  • close(): Close session
  • selectConfiguration(configurationValue): Select a specified configuration
  • claimInterface(interfaceNumber): Claim an interface for exclusive access
  • releaseInterface(interfaceNumber): Release a claimed interface
  • controlTransferIn(setup, length): Return result of a command
  • controlTransferOut(setup, data) : Send a command to device
  • transferIn(): Return data from device
  • transferOut(): Send data to device
  • clearHalt()
  • reset(): Reset device
  • isochronousTransferIn()
  • isochronousTransferOut()

Events #

  • OnConnect
  • OnDisconnect