dartusbhid

Description:

dartusbhid

dartusbhid #
A dart wrapper for libusbhid, to interface with human input devices. It runs in its own isolate. Supports

Enumerating USB HID devices

Supports vendorId, productId, serialNumber, releaseNumber, manufacturerString, productString, usagePage, usage, interfaceNumber


Reading and writing device reports with or without report ID

Planned:

Read and write feature reports

Installation #
flutter pub add dartusbhid
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Usage #
import 'package:dartusbhid/enumerate.dart';

void printDeviceList() async {
// Enumerate all devices
// Passing 0 for vendor and product Id will enumerate all devices.
final devices = await enumerateDevices(0, 0);
print(devices.length);
for (final device in devices) {
// Print device information like product name, vendor, etc.
print(device);
}

// Open the first device
final openDevice = await devices[0].open();

// Read data without timeout (timeout: null)
print("Waiting for first hid report");
final receivedData = await openDevice.readReport(null);
print("Report ID is: ${receivedData[0]}");
print(receivedData);

// Send 64 bytes of data to the device
var uint8list = Uint8List.fromList(List.generate(64, (index) => 0));
uint8list[0] = 2; // Set the Report ID
await openDevice.writeReport(uint8list);

// Close the device
await openDevice.close();
}

printDeviceList();
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Development #
To try out the example
git clone https://github.com/TobiasJacob/dartusbhid.git
cd dartusbhid/example
flutter run
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from there on you can start to develop the library. Publish the library by increasing the version, adjusting the changelog and using
cd dartusbhid
flutter analyze
flutter pub publish
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