mirror of
https://github.com/zjs81/meshcore-open.git
synced 2026-04-20 22:13:48 +00:00
e7a5b9e209
Open-source Flutter client for MeshCore LoRa mesh networking devices. Features: - BLE device scanning and connection - Nordic UART Service (NUS) integration - Material 3 design with system theme support - Provider-based state management - Placeholder screens for chat, contacts, and settings 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
68 lines
2.3 KiB
Dart
68 lines
2.3 KiB
Dart
import 'dart:typed_data';
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import 'package:flutter/material.dart';
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import '../connector/meshcore_protocol.dart';
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/// Debug widget to show the hex dump of a frame
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class DebugFrameViewer {
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static void showFrameDebug(BuildContext context, Uint8List frame, String title) {
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final hexString = frame
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.map((b) => b.toRadixString(16).padLeft(2, '0'))
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.join(' ');
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final details = StringBuffer();
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details.writeln('Frame Length: ${frame.length} bytes\n');
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details.writeln('Command: 0x${frame[0].toRadixString(16).padLeft(2, '0')}');
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if (frame[0] == cmdSendTxtMsg && frame.length > 37) {
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details.writeln('\nText Message Frame:');
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details.writeln('- Destination PubKey: ${pubKeyToHex(frame.sublist(1, 33))}');
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details.writeln('- Timestamp: ${readUint32LE(frame, 33)}');
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details.writeln('- Flags: 0x${frame[37].toRadixString(16).padLeft(2, '0')}');
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final txtType = (frame[37] >> 2) & 0x03;
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details.writeln('- Text Type: $txtType ${txtType == txtTypeCliData ? "(CLI)" : "(Plain)"}');
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if (frame.length > 38) {
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final textBytes = frame.sublist(38);
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final nullIdx = textBytes.indexOf(0);
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final text = String.fromCharCodes(
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nullIdx >= 0 ? textBytes.sublist(0, nullIdx) : textBytes
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);
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details.writeln('- Text: "$text"');
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}
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}
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: Text(title),
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content: SingleChildScrollView(
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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mainAxisSize: MainAxisSize.min,
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children: [
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Text(
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details.toString(),
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style: const TextStyle(fontFamily: 'monospace', fontSize: 12),
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),
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const Divider(),
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const Text(
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'Hex Dump:',
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style: TextStyle(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 8),
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Text(
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hexString,
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style: const TextStyle(fontFamily: 'monospace', fontSize: 11),
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),
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],
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),
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Close'),
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),
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],
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),
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);
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}
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}
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