A flutter webusb plugin

Last update: Nov 1, 2022

Overview

WebUSB plugin

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

Events

OnConnect
OnDisconnect

Comments

Endpoint Issue

Gets this error when trying to pass in the endpoint number into the function transferIn()

Uncaught (in promise) Error: IndexSizeError: The specified endpoint number is out of range.

at Object.createErrorWithStack (errors.dart:284)
at Object._rethrow (async_patch.dart:200)
at async._AsyncCallbackEntry.new.callback (zone.dart:1413)
at Object._microtaskLoop (schedule_microtask.dart:40)
at _startMicrotaskLoop (schedule_microtask.dart:49)
at async_patch.dart:166

issue

opened by Sandarudx 3

MissingPluginException

I keep getting this exception: Flutter Web Bootstrap: Programmatic MissingPluginException(No implementation found for method getDevices on channel apparence.io/usbdevice)

Anyone who knows the reason for this?

opened by digitalinnovationas 0
怎么向usb设备发送数据

/// send data to usb
Future transferOut( dynamic device, endpointNumber, ByteBuffer data) { return _platform.transferOut(device, endpointNumber, data); }

我找到发送数据的方法，其中endpointNumber这个端口号参数，是怎么获取的呢，求解答

opened by GalaxyCal 2
Use with Fingerprint DigitalPersona

Hi,

Is there any manual or tutorial to read data from the DigitalPersona fingerprint device? I am interested to read data from this device in Flutter Web. Thanks. Regards.

opened by sic4change 0
USB NFC reader Accessed denied

Hello everyone I managed to connect my NFC reader via USB but I have a problem, I get access denied.

As you can see in the picture below:

Is it a way to make this work?

The NFC reader is the following model: ACR122U PICC interface

Thank you in advance.
help wanted

opened by IvanoiuAlexandruPaul 4
Is this library usb serial protocol based?

Hi there, just wanted to know if this library supports usb serial protocol or is it for HID devices?

I have a few arduinos I'd like to connect using this.

opened by realrk95 1

A flutter webusb plugin

Related tags

Overview

WebUSB plugin

Platform Support

Usage

Implementation

USB

USBDevice

Events

Comments

Endpoint Issue

MissingPluginException

怎么向usb设备发送数据

Use with Fingerprint DigitalPersona

USB NFC reader Accessed denied

Is this library usb serial protocol based?

Owner

Apparence.io

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