mikkeli
6b5fef41c4
The tablet's app sockets are the only ones bound to the USB link, so the measurement has to run in the app. tool/linktest_server.py serves the Orin end and logs every result with its own TCP_INFO. Startable without touching the screen: am start ... --es linktest <label>. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01DDwfd6Ki8UfG4hK6W5YpJz
43 lines
1.4 KiB
Dart
43 lines
1.4 KiB
Dart
// Android only: binding the process to the USB (NCM) Ethernet link to the Orin.
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// See MainActivity.kt for why Android needs telling.
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import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/services.dart';
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class UsbLink extends ChangeNotifier {
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static const _ch = MethodChannel('yukart/net');
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bool supported = Platform.isAndroid;
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bool up = false;
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bool bound = false;
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/// Development hook: a link test requested by launch intent (see MainActivity.kt).
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void Function(String label)? onLinkTest;
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UsbLink() {
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if (!supported) return;
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_ch.setMethodCallHandler((call) async {
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if (call.method == 'ethernet') {
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final a = Map<String, dynamic>.from(call.arguments as Map);
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up = a['up'] == true;
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bound = a['bound'] == true;
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notifyListeners();
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} else if (call.method == 'linktest') {
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onLinkTest?.call(call.arguments as String);
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}
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});
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}
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/// A link test requested by the intent that launched the app, once.
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Future<String?> takeLinkTest() async => supported ? _ch.invokeMethod<String>('takeLinkTest') : null;
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/// Bind only when the target is on the USB link; a workstation over WiFi must stay reachable.
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Future<void> bindFor(Uri target) async {
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if (!supported) return;
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final want = target.host.startsWith('192.168.55.');
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await _ch.invokeMethod<bool>('bindEthernet', want);
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}
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}
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