264 lines
10 KiB
Dart
264 lines
10 KiB
Dart
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import 'package:flutter/material.dart';
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import 'package:flutter_reactive_ble/flutter_reactive_ble.dart';
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import 'package:star_lock/blue/sender_manage.dart';
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import '../app_settings/app_settings.dart';
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import 'io_tool/io_tool.dart';
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import 'io_tool/manager_event_bus.dart';
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typedef ScanResultCallBack = void Function(List<DiscoveredDevice> devices);
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class BlueManage{
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FlutterReactiveBle? _flutterReactiveBle;
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List<DiscoveredDevice> _scanDevices = [];
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QualifiedCharacteristic? qualifiedCharacteristic;
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DiscoveredCharacteristic? getDiscoveredCharacteristic;
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Uuid serviceId = Uuid.parse('0000FFF0-0000-1000-8000-00805F9B34FB');
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final int _limitLen = 20;
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final int _sleepTimes = AppPlatform.isAndroid ? 6 : 0;
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static BlueManage? _manager;
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BlueManage._init();
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static BlueManage? shareManager(){
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_manager ??= BlueManage._init();
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_manager!._initBlue();
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return _manager;
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}
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factory BlueManage() => shareManager()!;
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BlueManage? get manager => shareManager();
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void _initBlue(){
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_flutterReactiveBle = FlutterReactiveBle();
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}
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/// 开始扫描蓝牙设备
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void startScan(ScanResultCallBack scanResultCallBack) {
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_scanDevices.clear();
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_flutterReactiveBle!.scanForDevices(withServices: []).listen((device) {
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// 判断名字为空的直接剔除
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if(device.name.isEmpty){
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return;
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}
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if (((device.serviceUuids.isNotEmpty ? device.serviceUuids[0] : "").toString().contains("758824")) && (device.rssi >= -100)) {
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// print("11111111111111111:${device}");
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final knownDeviceIndex = _scanDevices.indexWhere((d) => d.id == device.id);
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if (knownDeviceIndex >= 0) {
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_scanDevices[knownDeviceIndex] = device;
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} else {
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_scanDevices.add(device);
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}
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// EventBusManager().eventBusFir(_scanDevices);
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scanResultCallBack(_scanDevices);
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}
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// _pushState();
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}, onError: (Object e) {
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print('Device scan fails with error: $e');
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});
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}
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/// 连接监听状态
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Future<void> connect(String deviceMAC) async {
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print("connect:$deviceMAC");
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_flutterReactiveBle!.connectToDevice(id: deviceMAC).listen((connectionStateUpdate) {
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print('ConnectionState for device $deviceMAC : ${connectionStateUpdate.connectionState}');
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// EventBusManager().eventBusFir(connectionStateUpdate);
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if(connectionStateUpdate.connectionState == DeviceConnectionState.connected){
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// getPublicKey(update.deviceId);
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// 如果状态是连接的开始发现服务
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discoverServices(deviceMAC);
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}
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}, onError: (Object e){
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print('Connecting to device $deviceMAC resulted in error $e');
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}
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);
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}
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Future<void> disconnect(String deviceMAC) async {
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try {
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print('disconnecting to device: $deviceMAC');
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} on Exception catch (e, _) {
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print("Error disconnecting from a device: $e");
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} finally {
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EventBusManager().eventBusFir(ConnectionStateUpdate(
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deviceId: deviceMAC,
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connectionState: DeviceConnectionState.disconnected,
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failure: null,
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));
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}
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}
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// 扫描服务，并过滤服务
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Future<List<DiscoveredService>> discoverServices(String deviceId) async {
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try {
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print('Start discovering services for: $deviceId');
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List<DiscoveredService> result = await _flutterReactiveBle!.discoverServices(deviceId);
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print("mmmmmmmmm$result");
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if(result.isNotEmpty){
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for (var i = 0; i < result.length; i++) {
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DiscoveredService discoveredService = result[i];
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print("objectdiscoveredService.serviceId.toString() ${discoveredService.serviceId.toString()}");
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if (discoveredService.serviceId.toString() == "fff0"){
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// getDiscoveredService = discoveredService;
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for (var j = 0; j < discoveredService.characteristics.length; j++) {
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DiscoveredCharacteristic discoveredCharacteristic = discoveredService.characteristics[j];
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// print("hhhhhhhhhh${result[i].characteristicIds[j].toString()}");
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if (discoveredCharacteristic.characteristicId.toString() == "fff1") {
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// 订阅用
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getDiscoveredCharacteristic = discoveredCharacteristic;
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// print("1111111111111111characteristicId:${result[i].characteristicIds[j].toString()} serviceId:${result[i].serviceId} deviceId:$deviceId");
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}
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if (discoveredCharacteristic.characteristicId.toString() == "fff2") {
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print("1111111111111111characteristicId:${discoveredCharacteristic.characteristicId} serviceId:${serviceId} deviceId:$deviceId");
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qualifiedCharacteristic = QualifiedCharacteristic(characteristicId: discoveredCharacteristic.characteristicId, serviceId:serviceId , deviceId: deviceId);
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}
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}
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}
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}
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}
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subScribeToCharacteristic(QualifiedCharacteristic(characteristicId: getDiscoveredCharacteristic!.characteristicId, serviceId: Uuid.parse("fff0"), deviceId: deviceId));
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print('Discovering services finished');
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EventBusManager().eventBusFir(qualifiedCharacteristic);
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return result;
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} on Exception catch (e) {
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print('Error occurred when discovering services: $e');
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rethrow;
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}
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}
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// 听上报来的数据,参数来自前面扫描到的结果
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subScribeToCharacteristic(QualifiedCharacteristic characteristic) {
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print('Subscribing to characteristicId: ${characteristic.characteristicId} serviceId:${characteristic.serviceId} deviceId:${characteristic.deviceId}');
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_flutterReactiveBle!.subscribeToCharacteristic(characteristic).listen((data) {
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// code to handle incoming data
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print("subscribeToCharacteristic: deviceId = ${characteristic.deviceId} characteristicId =${characteristic.characteristicId}---上报来的数据data = $data");
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}, onError: (dynamic error) {
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print("subscribeToCharacteristic error:$error");
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});
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// return _ble.subscribeToCharacteristic(characteristic);
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}
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// 写入
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Future<void> writeCharacteristicWithResponse(QualifiedCharacteristic characteristic, List<int> value) async {
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print('Write with characteristicId：${characteristic.characteristicId} serviceId：${characteristic.serviceId} deviceId：${characteristic.deviceId} value : $value');
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try {
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// await _flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: value).onError((error, stackTrace){
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// print("writeCharacteristicWithResponse:$characteristic $value, error:$error stackTrace:$stackTrace}");
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// });
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List<int> oneList = [];
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List<int> twoList = [];
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List<int> threeList = [];
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int ctn = getPackageCount(value, averageLen: _limitLen);
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for (int i = 1; i <= ctn; i++){
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List<int> subData = getSubData(index: i, average: _limitLen, data: value);
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print("i:$i ctn:$ctn subData:$subData");
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print('Write with characteristicId：${characteristic.characteristicId} serviceId：${characteristic.serviceId} deviceId：${characteristic.deviceId} value : $subData');
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switch (i) {
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case 1:
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{
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oneList.addAll(subData);
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}
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break;
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case 2:
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{
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twoList.addAll(subData);
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}
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break;
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case 3:
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{
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threeList.addAll(subData);
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}
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break;
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default:
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}
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// await Future.delayed(Duration(
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// milliseconds: i == ctn ? 0 : _sleepTimes,
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// ),(){
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// // i++;
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// });
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}
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print("oneList:$oneList");
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_flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: oneList).onError((error, stackTrace){
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// print("writeCharacteristicWithResponse:$characteristic $subData, error:$error stackTrace:$stackTrace}");
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});
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await Future.delayed(const Duration(milliseconds: 100,),(){
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print("twoList:$twoList");
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_flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: twoList).onError((error, stackTrace){
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// print("writeCharacteristicWithResponse:$characteristic $subData, error:$error stackTrace:$stackTrace}");
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});
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});
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await Future.delayed(const Duration(milliseconds: 100,),(){
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print("threeList:$threeList");
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_flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: threeList).onError((error, stackTrace){
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// print("writeCharacteristicWithResponse:$characteristic $subData, error:$error stackTrace:$stackTrace}");
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});
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});
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// _flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: subData).onError((error, stackTrace){
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// // print("writeCharacteristicWithResponse:$characteristic $subData, error:$error stackTrace:$stackTrace}");
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// });
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// while(i <= ctn) {
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// print("object$i ");
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// List<int> subData = getSubData(index: i, average: _limitLen, data: value);
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// print('Write with characteristicId：${characteristic.characteristicId} serviceId：${characteristic.serviceId} deviceId：${characteristic.deviceId} value : $subData');
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// await _flutterReactiveBle!.writeCharacteristicWithResponse(characteristic, value: subData).onError((error, stackTrace){
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// // print("writeCharacteristicWithResponse:$characteristic $subData, error:$error stackTrace:$stackTrace}");
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// });
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// await Future.delayed(Duration(
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// milliseconds: i == ctn ? 0 : _sleepTimes,
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// ),(){
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// i++;
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// });
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// }
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// i = 1;
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// await readCharacteristic(characteristic);
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} on Exception catch (e, s) {
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print('Error occurred when writing: $e',);
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// ignore: avoid_print
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print(s);
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rethrow;
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}
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}
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// 读取
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Future<List<int>> readCharacteristic(QualifiedCharacteristic characteristic) async {
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try {
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final result = await _flutterReactiveBle!.readCharacteristic(characteristic);
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print("readListresult$result");
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return result;
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} on Exception catch (e, s) {
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print('Error occurred when reading ${characteristic.characteristicId} : $e',);
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rethrow;
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}
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}
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Future<void> writeCharacteristicWithoutResponse(
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QualifiedCharacteristic characteristic, List<int> value) async {
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try {
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await _flutterReactiveBle!.writeCharacteristicWithoutResponse(characteristic,
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value: value);
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} on Exception catch (e, s) {
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// ignore: avoid_print
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print(s);
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rethrow;
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}
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}
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} |