Open Earable ExG Implementation

example/macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,10 +7,12 @@ import Foundation
 
 import file_picker
 import flutter_archive
+import path_provider_foundation
 import universal_ble
 
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FilePickerPlugin.register(with: registry.registrar(forPlugin: "FilePickerPlugin"))
   FlutterArchivePlugin.register(with: registry.registrar(forPlugin: "FlutterArchivePlugin"))
+  PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   UniversalBlePlugin.register(with: registry.registrar(forPlugin: "UniversalBlePlugin"))
 }

example/pubspec.lock

@@ -65,6 +65,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.19.1"
+  complex:
+    dependency: transitive
+    description:
+      name: complex
+      sha256: dba084899c0a4bd2fcba9a36760409171d7bee7c35a749cc4451348270361325
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
   convert:
     dependency: transitive
     description:
@@ -186,10 +194,10 @@ packages:
     dependency: transitive
     description:
       name: flutter_plugin_android_lifecycle
-      sha256: "306f0596590e077338312f38837f595c04f28d6cdeeac392d3d74df2f0003687"
+      sha256: c2fe1001710127dfa7da89977a08d591398370d099aacdaa6d44da7eb14b8476
       url: "https://pub.dev"
     source: hosted
-    version: "2.0.32"
+    version: "2.0.31"
   flutter_svg:
     dependency: "direct main"
     description:
@@ -232,6 +240,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  iirjdart:
+    dependency: transitive
+    description:
+      name: iirjdart
+      sha256: "5bd8aa6af6ee67473fbf7fbbfc7b992d0bb95768a16aaa62e70613389e564df8"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.1.0"
   json_annotation:
     dependency: transitive
     description:
@@ -244,26 +260,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
+      sha256: "6bb818ecbdffe216e81182c2f0714a2e62b593f4a4f13098713ff1685dfb6ab0"
       url: "https://pub.dev"
     source: hosted
-    version: "11.0.2"
+    version: "10.0.9"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
+      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.10"
+    version: "3.0.9"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
+      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.2"
+    version: "3.0.1"
   lints:
     dependency: transitive
     description:
@@ -316,10 +332,10 @@ packages:
     dependency: "direct main"
     description:
       name: meta
-      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
       url: "https://pub.dev"
     source: hosted
-    version: "1.17.0"
+    version: "1.16.0"
   nested:
     dependency: transitive
     description:
@@ -328,14 +344,6 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
-  objective_c:
-    dependency: transitive
-    description:
-      name: objective_c
-      sha256: "1f81ed9e41909d44162d7ec8663b2c647c202317cc0b56d3d56f6a13146a0b64"
-      url: "https://pub.dev"
-    source: hosted
-    version: "9.1.0"
   open_earable_flutter:
     dependency: "direct main"
     description:
@@ -371,18 +379,18 @@ packages:
     dependency: transitive
     description:
       name: path_provider_android
-      sha256: "95c68a74d3cab950fd0ed8073d9fab15c1c06eb1f3eec68676e87aabc9ecee5a"
+      sha256: "3b4c1fc3aa55ddc9cd4aa6759984330d5c8e66aa7702a6223c61540dc6380c37"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.21"
+    version: "2.2.19"
   path_provider_foundation:
     dependency: transitive
     description:
       name: path_provider_foundation
-      sha256: "6192e477f34018ef1ea790c56fffc7302e3bc3efede9e798b934c252c8c105ba"
+      sha256: "16eef174aacb07e09c351502740fa6254c165757638eba1e9116b0a781201bbd"
       url: "https://pub.dev"
     source: hosted
-    version: "2.5.0"
+    version: "2.4.2"
   path_provider_linux:
     dependency: transitive
     description:
@@ -560,10 +568,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
+      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.7"
+    version: "0.7.4"
   tuple:
     dependency: transitive
     description:
@@ -624,18 +632,18 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
       url: "https://pub.dev"
     source: hosted
-    version: "2.2.0"
+    version: "2.1.4"
   vm_service:
     dependency: transitive
     description:
       name: vm_service
-      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
+      sha256: ddfa8d30d89985b96407efce8acbdd124701f96741f2d981ca860662f1c0dc02
       url: "https://pub.dev"
     source: hosted
-    version: "15.0.2"
+    version: "15.0.0"
   web:
     dependency: transitive
     description:
@@ -669,5 +677,5 @@ packages:
     source: hosted
     version: "6.6.1"
 sdks:
-  dart: ">=3.9.0 <4.0.0"
-  flutter: ">=3.35.0"
+  dart: ">=3.8.0 <4.0.0"
+  flutter: ">=3.32.0"

lib/open_earable_flutter.dart

@@ -4,6 +4,7 @@ import 'dart:async';
 
 import 'package:logger/logger.dart';
 import 'package:meta/meta.dart';
+import 'package:open_earable_flutter/src/managers/exg/exg_factory.dart';
 import 'package:open_earable_flutter/src/models/devices/cosinuss_one_factory.dart';
 import 'package:open_earable_flutter/src/models/devices/esense_factory.dart';
 import 'package:open_earable_flutter/src/models/devices/open_earable_factory.dart';
@@ -106,6 +107,7 @@ class WearableManager {
   StreamSubscription<DiscoveredDevice>? _autoconnectScanSubscription;
 
   final List<WearableFactory> _wearableFactories = [
+    ExGFactory(),
     OpenEarableFactory(),
     CosinussOneFactory(),
     PolarFactory(),

lib/src/managers/exg/exg_factory.dart

@@ -0,0 +1,40 @@
+import 'package:open_earable_flutter/src/models/devices/cosinuss_one.dart';
+import 'package:open_earable_flutter/src/models/devices/discovered_device.dart';
+import 'package:open_earable_flutter/src/models/devices/wearable.dart';
+import 'package:open_earable_flutter/src/models/wearable_factory.dart';
+import 'package:universal_ble/universal_ble.dart';
+import 'exg_wearable.dart';
+
+
+class ExGFactory extends WearableFactory {
+  // todo ExG Devices are still named OpenEarable-<ident> fixit or keep it index 0 when creating the _wearableFactories
+  static final RegExp _nameRegex = RegExp(r'^OpenEarable(?:[-_].*)?$');
+
+  @override
+  Future<bool> matches(DiscoveredDevice device, List<BleService> services) async {
+    final name = (device.name ?? '').trim();
+    return _nameRegex.hasMatch(name);
+  }
+
+  @override
+  Future<Wearable> createFromDevice(DiscoveredDevice device, { Set<ConnectionOption> options = const {} }) async {
+    if (bleManager == null) {
+      throw Exception("bleManager needs to be set before using the factory");
+    }
+    if (disconnectNotifier == null) {
+      throw Exception("disconnectNotifier needs to be set before using the factory");
+    }
+
+    final name = (device.name ?? '').trim();
+    if (!_nameRegex.hasMatch(name)) {
+      throw Exception("device is not an exg device");
+    }
+
+    return ExGWearable(
+      name: device.name,
+      disconnectNotifier: disconnectNotifier!,
+      bleManager: bleManager!,
+      discoveredDevice: device,
+    );
+  }
+}

lib/src/managers/exg/exg_filter_options.dart

@@ -0,0 +1,6 @@
+class ExGFilterOptions {
+  static const List<double> lowerCutoffs = [0.5, 1, 5, 10, 15];
+  static const List<double> higherCutoffs = [20, 30, 40, 50, 60];
+  static const List<int> samplingFrequencies = [100, 200, 250, 300, 400];
+  static const List<int> filterOrders = [1, 2, 3, 4];
+}

lib/src/managers/exg/exg_preset.dart

@@ -0,0 +1,31 @@
+class ExGPreset {
+  final String name;
+  final double lowerCutoff;
+  final double higherCutoff;
+  final int samplingFrequency;
+  final int filterOrder;
+
+  ExGPreset({
+    required this.name,
+    required this.lowerCutoff,
+    required this.higherCutoff,
+    required this.samplingFrequency,
+    required this.filterOrder,
+  });
+
+  Map<String, dynamic> toJson() => {
+    'name': name,
+    'lowerCutoff': lowerCutoff,
+    'higherCutoff': higherCutoff,
+    'samplingFrequency': samplingFrequency,
+    'filterOrder': filterOrder,
+  };
+
+  factory ExGPreset.fromJson(Map<String, dynamic> json) => ExGPreset(
+    name: json['name'],
+    lowerCutoff: (json['lowerCutoff'] as num).toDouble(),
+    higherCutoff: (json['higherCutoff'] as num).toDouble(),
+    samplingFrequency: json['samplingFrequency'],
+    filterOrder: json['filterOrder'],
+  );
+}