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@@ -1,351 +1,351 @@
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../services/ble_service.dart';
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class CLIScreen extends StatefulWidget {
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const CLIScreen({super.key});
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@override
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State<CLIScreen> createState() => _CLIScreenState();
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}
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class _CLIScreenState extends State<CLIScreen> {
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final ScrollController _scrollController = ScrollController();
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final List<String> _logLines = [];
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Timer? _statusTimer;
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bool _autoScroll = true;
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int _lastProcessedPacket = 0;
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@override
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void initState() {
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super.initState();
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_addHeader();
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_startStatusTimer();
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}
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@override
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void dispose() {
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_statusTimer?.cancel();
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_scrollController.dispose();
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super.dispose();
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}
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String _repeatChar(String char, int count) {
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return List.filled(count, char).join();
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}
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void _addHeader() {
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_addLogLine(_repeatChar('=', 70));
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_addLogLine('Enhanced with automatic reconnection');
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_addLogLine(_repeatChar('=', 70));
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_addLogLine('');
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}
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void _addLogLine(String line) {
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setState(() {
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_logLines.add(line);
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// Keep last 5000 lines
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if (_logLines.length > 5000) {
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_logLines.removeAt(0);
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}
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});
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if (_autoScroll) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
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if (_scrollController.hasClients) {
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_scrollController.jumpTo(_scrollController.position.maxScrollExtent);
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}
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});
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}
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}
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void _startStatusTimer() {
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_statusTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
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if (mounted) {
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final ble = Provider.of<BLEService>(context, listen: false);
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if (ble.isConnected) {
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_updateStatus(ble);
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}
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}
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});
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}
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void _updateStatus(BLEService ble) {
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final stats = _getStatistics(ble);
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final elapsed = stats['elapsed'] as double;
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final packets = stats['packets'] as int;
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final rate = stats['rate'] as double;
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final connStatus = ble.isConnected ? '✓' : '✗';
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// Remove old status line if exists (lines ending with specific pattern)
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if (_logLines.isNotEmpty && _logLines.last.startsWith('[STATUS]')) {
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_logLines.removeLast();
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}
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if (packets > 0) {
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_addLogLine(
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'[STATUS] Packets: ${packets.toString().padLeft(5)} | '
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'Rate: ${rate.toStringAsFixed(2).padLeft(5)} pkt/s | '
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'Time: ${elapsed.toStringAsFixed(1).padLeft(7)}s | '
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'Conn: $connStatus',
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);
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} else {
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_addLogLine('[STATUS] Waiting for data... (${elapsed.toStringAsFixed(1)}s)');
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}
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}
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Map<String, dynamic> _getStatistics(BLEService ble) {
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final now = DateTime.now();
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final startTime = ble.streamingDuration != null
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? now.subtract(ble.streamingDuration!)
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: now;
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final elapsed = now.difference(startTime).inMilliseconds / 1000.0;
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final packets = ble.packetCount;
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final rate = elapsed > 0 ? packets / elapsed : 0.0;
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return {
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'elapsed': elapsed,
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'packets': packets,
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'rate': rate,
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};
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}
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String _formatTimestamp(DateTime dt) {
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return '${dt.hour.toString().padLeft(2, '0')}:'
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'${dt.minute.toString().padLeft(2, '0')}:'
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'${dt.second.toString().padLeft(2, '0')}';
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}
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void _onDataReceived(DataPacket packet) {
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final timestamp = _formatTimestamp(packet.timestamp);
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final hexData = packet.hexString;
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final packetNum = packet.packetNumber;
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final bytes = packet.data.length;
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_addLogLine('');
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_addLogLine('[$timestamp] Packet #${packetNum.toString().padLeft(5, '0')}: $hexData ($bytes bytes)');
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// Parse data formats (matching Python example)
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if (packet.data.length >= 4) {
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try {
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final valueU32 = packet.value32BitUnsigned;
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final valueS32 = packet.value32BitSigned;
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final valueU16 = packet.value16BitUnsigned;
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final valueS16 = packet.value16BitSigned;
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// Commented out like in Python example
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// _addLogLine(' → 32-bit unsigned: ${valueU32.toString().padLeft(10)} | 32-bit signed: ${valueS32.toString().padLeft(10)}');
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// _addLogLine(' → 16-bit unsigned: ${valueU16.toString().padLeft(10)} | 16-bit signed: ${valueS16.toString().padLeft(10)}');
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if (valueU32 != null && valueU32 > 0) {
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final floatVal = valueU32 / 100.0;
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// _addLogLine(' → As float (÷100): ${floatVal.toStringAsFixed(2).padLeft(12)}');
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}
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} catch (e) {
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_addLogLine(' → Parse error: $e');
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}
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}
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// Show weight as 'timbang' in KG (matching Python example)
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final weightKg = packet.weightKg;
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if (weightKg != null) {
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_addLogLine(' → timbang : ${weightKg.toStringAsFixed(1)} KG');
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} else {
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// Fallback to showing raw bytes in decimal
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final byteStr = packet.data.map((b) => b.toString().padLeft(2, '0')).join(' ');
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_addLogLine(' → timbang : $byteStr');
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}
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// Try to decode as ASCII if printable
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final asciiStr = packet.asciiString;
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if (asciiStr != null && asciiStr.isNotEmpty) {
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_addLogLine(" → ASCII: '$asciiStr'");
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.black,
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appBar: AppBar(
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title: const Text('SIAB Bluetooth CLI', style: TextStyle(color: Colors.green)),
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backgroundColor: Colors.grey[900],
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iconTheme: const IconThemeData(color: Colors.green),
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actions: [
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Consumer<BLEService>(
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builder: (context, ble, _) {
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if (ble.isConnected) {
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return IconButton(
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icon: const Icon(Icons.delete_outline, color: Colors.green),
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tooltip: 'Clear Log',
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onPressed: () {
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setState(() {
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_logLines.clear();
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_addHeader();
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});
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ble.clearData();
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},
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);
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}
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return const SizedBox.shrink();
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},
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),
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IconButton(
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icon: Icon(
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_autoScroll ? Icons.vertical_align_bottom : Icons.vertical_align_center,
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color: Colors.green,
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),
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tooltip: _autoScroll ? 'Disable Auto-scroll' : 'Enable Auto-scroll',
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onPressed: () {
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setState(() {
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_autoScroll = !_autoScroll;
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});
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},
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),
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],
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),
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body: Consumer<BLEService>(
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builder: (context, ble, _) {
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// Process new data packets
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if (ble.dataPackets.isNotEmpty) {
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final newPackets = ble.dataPackets
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.where((p) => p.packetNumber > _lastProcessedPacket)
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.toList();
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for (final packet in newPackets) {
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_onDataReceived(packet);
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_lastProcessedPacket = packet.packetNumber;
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}
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} else {
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_lastProcessedPacket = 0;
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}
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return Column(
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children: [
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// Connection status bar (terminal style)
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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color: Colors.grey[900],
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child: Row(
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children: [
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Icon(
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ble.isConnected ? Icons.bluetooth_connected : Icons.bluetooth_disabled,
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color: ble.isConnected ? Colors.green : Colors.red,
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size: 20,
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),
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const SizedBox(width: 8),
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Text(
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ble.isConnected
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? 'Connected: ${ble.deviceName ?? ble.deviceAddress ?? "Unknown"}'
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: 'Disconnected',
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style: const TextStyle(
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color: Colors.green,
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fontFamily: 'monospace',
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fontSize: 12,
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),
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),
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const Spacer(),
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if (ble.isScanning || ble.isConnecting)
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const SizedBox(
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width: 16,
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height: 16,
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child: CircularProgressIndicator(
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strokeWidth: 2,
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valueColor: AlwaysStoppedAnimation<Color>(Colors.green),
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),
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),
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],
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),
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),
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// Terminal output area
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Expanded(
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child: Container(
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color: Colors.black,
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child: SingleChildScrollView(
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controller: _scrollController,
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padding: const EdgeInsets.all(16),
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child: SelectableText(
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_logLines.join('\n'),
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style: const TextStyle(
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color: Colors.green,
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fontFamily: 'monospace',
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fontSize: 12,
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height: 1.4,
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),
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),
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),
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),
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),
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// Bottom action bar
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Container(
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width: double.infinity,
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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color: Colors.grey[900],
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child: Row(
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mainAxisAlignment: MainAxisAlignment.spaceEvenly,
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children: [
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if (ble.isConnecting || ble.isScanning)
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const Text(
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'Connecting...',
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style: TextStyle(color: Colors.yellow, fontFamily: 'monospace'),
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)
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else if (ble.isConnected)
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ElevatedButton.icon(
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onPressed: () async {
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_addLogLine('\n⏹ Disconnecting...');
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await ble.disconnect();
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ble.clearData();
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_addLogLine('✅ Disconnected\n');
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},
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icon: const Icon(Icons.bluetooth_disabled, size: 18),
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label: const Text('Disconnect'),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.red[900],
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foregroundColor: Colors.white,
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),
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)
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else
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ElevatedButton.icon(
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onPressed: () async {
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_addLogLine('\n[1/3] Connecting to SIAB device...');
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final success = await ble.autoConnect();
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if (success) {
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_addLogLine('✅ Connected successfully!');
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if (ble.deviceAddress != null) {
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_addLogLine(' Device address: ${ble.deviceAddress}');
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}
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_addLogLine('\n[2/3] Enabling streaming data notifications...');
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_addLogLine('✅ Notifications enabled!');
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_addLogLine('\n[3/3] Receiving streaming data...');
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_addLogLine(_repeatChar('=', 70));
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_addLogLine('Waiting for data packets...');
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_addLogLine('');
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} else {
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_addLogLine('❌ Failed to connect!');
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_addLogLine('\nTroubleshooting:');
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_addLogLine(' • Make sure SIAB device is powered on');
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_addLogLine(' • Check Bluetooth is enabled');
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_addLogLine(' • Verify device name is \'SIAB\'');
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}
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},
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icon: const Icon(Icons.bluetooth_searching, size: 18),
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label: const Text('Connect'),
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.green[900],
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foregroundColor: Colors.white,
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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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);
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},
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),
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);
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}
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}
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import 'dart:async';
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import 'package:flutter/material.dart';
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import 'package:provider/provider.dart';
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import '../services/ble_service.dart';
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class CLIScreen extends StatefulWidget {
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const CLIScreen({super.key});
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@override
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State<CLIScreen> createState() => _CLIScreenState();
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}
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class _CLIScreenState extends State<CLIScreen> {
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final ScrollController _scrollController = ScrollController();
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final List<String> _logLines = [];
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Timer? _statusTimer;
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bool _autoScroll = true;
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int _lastProcessedPacket = 0;
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@override
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void initState() {
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super.initState();
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_addHeader();
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_startStatusTimer();
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}
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@override
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void dispose() {
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_statusTimer?.cancel();
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_scrollController.dispose();
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super.dispose();
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}
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String _repeatChar(String char, int count) {
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return List.filled(count, char).join();
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}
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void _addHeader() {
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_addLogLine(_repeatChar('=', 70));
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_addLogLine('Enhanced with automatic reconnection');
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_addLogLine(_repeatChar('=', 70));
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_addLogLine('');
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}
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void _addLogLine(String line) {
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setState(() {
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_logLines.add(line);
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// Keep last 5000 lines
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if (_logLines.length > 5000) {
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_logLines.removeAt(0);
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}
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});
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if (_autoScroll) {
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WidgetsBinding.instance.addPostFrameCallback((_) {
|
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if (_scrollController.hasClients) {
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_scrollController.jumpTo(_scrollController.position.maxScrollExtent);
|
||||
}
|
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});
|
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}
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}
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void _startStatusTimer() {
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_statusTimer = Timer.periodic(const Duration(seconds: 1), (timer) {
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if (mounted) {
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final ble = Provider.of<BLEService>(context, listen: false);
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if (ble.isConnected) {
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_updateStatus(ble);
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}
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}
|
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});
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}
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void _updateStatus(BLEService ble) {
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final stats = _getStatistics(ble);
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final elapsed = stats['elapsed'] as double;
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final packets = stats['packets'] as int;
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final rate = stats['rate'] as double;
|
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final connStatus = ble.isConnected ? '✓' : '✗';
|
||||
|
||||
// Remove old status line if exists (lines ending with specific pattern)
|
||||
if (_logLines.isNotEmpty && _logLines.last.startsWith('[STATUS]')) {
|
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_logLines.removeLast();
|
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}
|
||||
|
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if (packets > 0) {
|
||||
_addLogLine(
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'[STATUS] Packets: ${packets.toString().padLeft(5)} | '
|
||||
'Rate: ${rate.toStringAsFixed(2).padLeft(5)} pkt/s | '
|
||||
'Time: ${elapsed.toStringAsFixed(1).padLeft(7)}s | '
|
||||
'Conn: $connStatus',
|
||||
);
|
||||
} else {
|
||||
_addLogLine('[STATUS] Waiting for data... (${elapsed.toStringAsFixed(1)}s)');
|
||||
}
|
||||
}
|
||||
|
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Map<String, dynamic> _getStatistics(BLEService ble) {
|
||||
final now = DateTime.now();
|
||||
final startTime = ble.streamingDuration != null
|
||||
? now.subtract(ble.streamingDuration!)
|
||||
: now;
|
||||
final elapsed = now.difference(startTime).inMilliseconds / 1000.0;
|
||||
final packets = ble.packetCount;
|
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final rate = elapsed > 0 ? packets / elapsed : 0.0;
|
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return {
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'elapsed': elapsed,
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'packets': packets,
|
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'rate': rate,
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||||
};
|
||||
}
|
||||
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String _formatTimestamp(DateTime dt) {
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return '${dt.hour.toString().padLeft(2, '0')}:'
|
||||
'${dt.minute.toString().padLeft(2, '0')}:'
|
||||
'${dt.second.toString().padLeft(2, '0')}';
|
||||
}
|
||||
|
||||
void _onDataReceived(DataPacket packet) {
|
||||
final timestamp = _formatTimestamp(packet.timestamp);
|
||||
final hexData = packet.hexString;
|
||||
final packetNum = packet.packetNumber;
|
||||
final bytes = packet.data.length;
|
||||
|
||||
_addLogLine('');
|
||||
_addLogLine('[$timestamp] Packet #${packetNum.toString().padLeft(5, '0')}: $hexData ($bytes bytes)');
|
||||
|
||||
// Parse data formats (matching Python example)
|
||||
if (packet.data.length >= 4) {
|
||||
try {
|
||||
// valueU32 = packet.value32BitUnsigned;
|
||||
// valueS32 = packet.value32BitSigned;
|
||||
// valueU16 = packet.value16BitUnsigned;
|
||||
// valueS16 = packet.value16BitSigned;
|
||||
|
||||
// Commented out like in Python example
|
||||
// _addLogLine(' → 32-bit unsigned: ${valueU32.toString().padLeft(10)} | 32-bit signed: ${valueS32.toString().padLeft(10)}');
|
||||
// _addLogLine(' → 16-bit unsigned: ${valueU16.toString().padLeft(10)} | 16-bit signed: ${valueS16.toString().padLeft(10)}');
|
||||
|
||||
// if (valueU32 != null && valueU32 > 0) {
|
||||
// final floatVal = valueU32 / 100.0;
|
||||
// _addLogLine(' → As float (÷100): ${floatVal.toStringAsFixed(2).padLeft(12)}');
|
||||
// }
|
||||
} catch (e) {
|
||||
_addLogLine(' → Parse error: $e');
|
||||
}
|
||||
}
|
||||
|
||||
// Show weight as 'timbang' in KG (matching Python example)
|
||||
final weightKg = packet.weightKg;
|
||||
if (weightKg != null) {
|
||||
_addLogLine(' → timbang : ${weightKg.toStringAsFixed(1)} KG');
|
||||
} else {
|
||||
// Fallback to showing raw bytes in decimal
|
||||
final byteStr = packet.data.map((b) => b.toString().padLeft(2, '0')).join(' ');
|
||||
_addLogLine(' → timbang : $byteStr');
|
||||
}
|
||||
|
||||
// Try to decode as ASCII if printable
|
||||
final asciiStr = packet.asciiString;
|
||||
if (asciiStr != null && asciiStr.isNotEmpty) {
|
||||
_addLogLine(" → ASCII: '$asciiStr'");
|
||||
}
|
||||
}
|
||||
|
||||
@override
|
||||
Widget build(BuildContext context) {
|
||||
return Scaffold(
|
||||
backgroundColor: Colors.black,
|
||||
appBar: AppBar(
|
||||
title: const Text('SIAB Bluetooth CLI', style: TextStyle(color: Colors.green)),
|
||||
backgroundColor: Colors.grey[900],
|
||||
iconTheme: const IconThemeData(color: Colors.green),
|
||||
actions: [
|
||||
Consumer<BLEService>(
|
||||
builder: (context, ble, _) {
|
||||
if (ble.isConnected) {
|
||||
return IconButton(
|
||||
icon: const Icon(Icons.delete_outline, color: Colors.green),
|
||||
tooltip: 'Clear Log',
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
_logLines.clear();
|
||||
_addHeader();
|
||||
});
|
||||
ble.clearData();
|
||||
},
|
||||
);
|
||||
}
|
||||
return const SizedBox.shrink();
|
||||
},
|
||||
),
|
||||
IconButton(
|
||||
icon: Icon(
|
||||
_autoScroll ? Icons.vertical_align_bottom : Icons.vertical_align_center,
|
||||
color: Colors.green,
|
||||
),
|
||||
tooltip: _autoScroll ? 'Disable Auto-scroll' : 'Enable Auto-scroll',
|
||||
onPressed: () {
|
||||
setState(() {
|
||||
_autoScroll = !_autoScroll;
|
||||
});
|
||||
},
|
||||
),
|
||||
],
|
||||
),
|
||||
body: Consumer<BLEService>(
|
||||
builder: (context, ble, _) {
|
||||
// Process new data packets
|
||||
if (ble.dataPackets.isNotEmpty) {
|
||||
final newPackets = ble.dataPackets
|
||||
.where((p) => p.packetNumber > _lastProcessedPacket)
|
||||
.toList();
|
||||
|
||||
for (final packet in newPackets) {
|
||||
_onDataReceived(packet);
|
||||
_lastProcessedPacket = packet.packetNumber;
|
||||
}
|
||||
} else {
|
||||
_lastProcessedPacket = 0;
|
||||
}
|
||||
|
||||
return Column(
|
||||
children: [
|
||||
// Connection status bar (terminal style)
|
||||
Container(
|
||||
width: double.infinity,
|
||||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||||
color: Colors.grey[900],
|
||||
child: Row(
|
||||
children: [
|
||||
Icon(
|
||||
ble.isConnected ? Icons.bluetooth_connected : Icons.bluetooth_disabled,
|
||||
color: ble.isConnected ? Colors.green : Colors.red,
|
||||
size: 20,
|
||||
),
|
||||
const SizedBox(width: 8),
|
||||
Text(
|
||||
ble.isConnected
|
||||
? 'Connected: ${ble.deviceName ?? ble.deviceAddress ?? "Unknown"}'
|
||||
: 'Disconnected',
|
||||
style: const TextStyle(
|
||||
color: Colors.green,
|
||||
fontFamily: 'monospace',
|
||||
fontSize: 12,
|
||||
),
|
||||
),
|
||||
const Spacer(),
|
||||
if (ble.isScanning || ble.isConnecting)
|
||||
const SizedBox(
|
||||
width: 16,
|
||||
height: 16,
|
||||
child: CircularProgressIndicator(
|
||||
strokeWidth: 2,
|
||||
valueColor: AlwaysStoppedAnimation<Color>(Colors.green),
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
|
||||
// Terminal output area
|
||||
Expanded(
|
||||
child: Container(
|
||||
color: Colors.black,
|
||||
child: SingleChildScrollView(
|
||||
controller: _scrollController,
|
||||
padding: const EdgeInsets.all(16),
|
||||
child: SelectableText(
|
||||
_logLines.join('\n'),
|
||||
style: const TextStyle(
|
||||
color: Colors.green,
|
||||
fontFamily: 'monospace',
|
||||
fontSize: 12,
|
||||
height: 1.4,
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
),
|
||||
|
||||
// Bottom action bar
|
||||
Container(
|
||||
width: double.infinity,
|
||||
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
|
||||
color: Colors.grey[900],
|
||||
child: Row(
|
||||
mainAxisAlignment: MainAxisAlignment.spaceEvenly,
|
||||
children: [
|
||||
if (ble.isConnecting || ble.isScanning)
|
||||
const Text(
|
||||
'Connecting...',
|
||||
style: TextStyle(color: Colors.yellow, fontFamily: 'monospace'),
|
||||
)
|
||||
else if (ble.isConnected)
|
||||
ElevatedButton.icon(
|
||||
onPressed: () async {
|
||||
_addLogLine('\n⏹ Disconnecting...');
|
||||
await ble.disconnect();
|
||||
ble.clearData();
|
||||
_addLogLine('✅ Disconnected\n');
|
||||
},
|
||||
icon: const Icon(Icons.bluetooth_disabled, size: 18),
|
||||
label: const Text('Disconnect'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
backgroundColor: Colors.red[900],
|
||||
foregroundColor: Colors.white,
|
||||
),
|
||||
)
|
||||
else
|
||||
ElevatedButton.icon(
|
||||
onPressed: () async {
|
||||
_addLogLine('\n[1/3] Connecting to SIAB device...');
|
||||
final success = await ble.autoConnect();
|
||||
if (success) {
|
||||
_addLogLine('✅ Connected successfully!');
|
||||
if (ble.deviceAddress != null) {
|
||||
_addLogLine(' Device address: ${ble.deviceAddress}');
|
||||
}
|
||||
_addLogLine('\n[2/3] Enabling streaming data notifications...');
|
||||
_addLogLine('✅ Notifications enabled!');
|
||||
_addLogLine('\n[3/3] Receiving streaming data...');
|
||||
_addLogLine(_repeatChar('=', 70));
|
||||
_addLogLine('Waiting for data packets...');
|
||||
_addLogLine('');
|
||||
} else {
|
||||
_addLogLine('❌ Failed to connect!');
|
||||
_addLogLine('\nTroubleshooting:');
|
||||
_addLogLine(' • Make sure SIAB device is powered on');
|
||||
_addLogLine(' • Check Bluetooth is enabled');
|
||||
_addLogLine(' • Verify device name is \'SIAB\'');
|
||||
}
|
||||
},
|
||||
icon: const Icon(Icons.bluetooth_searching, size: 18),
|
||||
label: const Text('Connect'),
|
||||
style: ElevatedButton.styleFrom(
|
||||
backgroundColor: Colors.green[900],
|
||||
foregroundColor: Colors.white,
|
||||
),
|
||||
),
|
||||
],
|
||||
),
|
||||
),
|
||||
],
|
||||
);
|
||||
},
|
||||
),
|
||||
);
|
||||
}
|
||||
}
|
||||
+621
-624
File diff suppressed because it is too large.
Load diff
Reference in new issue
Block a user