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-rw-r--r--lib/model/badge_motive.dart24
-rw-r--r--lib/model/badge_motive_selection_factory.dart33
-rw-r--r--lib/model/connection/device_connection.dart10
-rw-r--r--lib/model/connection/flutter_blue_plus_device_connection.dart53
-rw-r--r--lib/model/connection/mock_device_connection.dart11
-rw-r--r--lib/model/connection/universal_ble_connection.dart31
-rw-r--r--lib/model/device/device.dart17
-rw-r--r--lib/model/device/flutter_blue_plus_device.dart15
-rw-r--r--lib/model/device/mock_device.dart15
-rw-r--r--lib/model/device/universal_ble_device.dart15
-rw-r--r--lib/model/motive_selection/badge_motive_selection.dart22
-rw-r--r--lib/model/motive_selection/badge_parser.dart37
-rw-r--r--lib/model/motive_selection/flutter_blue_plus_motive_selection.dart127
-rw-r--r--lib/model/motive_selection/mock_badge_motive_selection.dart44
-rw-r--r--lib/model/motive_selection/universal_blue_motive_selection.dart111
15 files changed, 526 insertions, 39 deletions
diff --git a/lib/model/badge_motive.dart b/lib/model/badge_motive.dart
new file mode 100644
index 0000000..0fd2039
--- /dev/null
+++ b/lib/model/badge_motive.dart
@@ -0,0 +1,24 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+class BadgeMotive {
+ final int id;
+ final String description;
+
+ const BadgeMotive(this.id, this.description);
+
+ @override
+ String toString() => "$id - $description";
+}
diff --git a/lib/model/badge_motive_selection_factory.dart b/lib/model/badge_motive_selection_factory.dart
new file mode 100644
index 0000000..45851c2
--- /dev/null
+++ b/lib/model/badge_motive_selection_factory.dart
@@ -0,0 +1,33 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:uvok_epaper_badge/model/device/device.dart';
+import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart';
+import 'package:uvok_epaper_badge/model/device/universal_ble_device.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/flutter_blue_plus_motive_selection.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/mock_badge_motive_selection.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/universal_blue_motive_selection.dart';
+
+class BadgeMotiveSelectionFactory {
+ static BadgeMotiveSelection createBadgeMotiveSelection(Device device) {
+ if (device is UniversalBleDevice) {
+ return UniversalBlueMotiveSelection(device: device);
+ } else if (device is FlutterBluePlusDevice) {
+ return FlutterBluePlusMotiveSelection(device: device);
+ }
+ return MockBadgeMotiveSelection();
+ }
+}
diff --git a/lib/model/connection/device_connection.dart b/lib/model/connection/device_connection.dart
index 5c810f0..f50bd2c 100644
--- a/lib/model/connection/device_connection.dart
+++ b/lib/model/connection/device_connection.dart
@@ -13,14 +13,12 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
+import 'package:flutter/foundation.dart';
+
enum ConnectionStatus { disconnected, connected, error }
-abstract class DeviceConnection {
+abstract interface class DeviceConnection {
Future<void> connect();
Future<void> disconnect();
- ConnectionStatus get status;
-
- // Future<Uint8List> read(String endpoint);
- // Future<void> write(String endpoint, Uint8List data);
- // Stream<Uint8List> subscribe(String endpoint);
+ ValueNotifier<ConnectionStatus> get status;
}
diff --git a/lib/model/connection/flutter_blue_plus_device_connection.dart b/lib/model/connection/flutter_blue_plus_device_connection.dart
index 3f860a6..5cb9eb2 100644
--- a/lib/model/connection/flutter_blue_plus_device_connection.dart
+++ b/lib/model/connection/flutter_blue_plus_device_connection.dart
@@ -15,16 +15,19 @@
import 'dart:async';
+import 'package:flutter/foundation.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:logger/logger.dart';
-import 'package:uvok_epaper_badge/first_where_ext.dart';
+import 'package:uvok_epaper_badge/extensions/iterable_ext.dart';
import 'package:uvok_epaper_badge/model/connection/device_connection.dart';
import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart';
var logger = Logger();
class FlutterBluePlusDeviceConnection implements DeviceConnection {
- ConnectionStatus _status = ConnectionStatus.disconnected;
+ final ValueNotifier<ConnectionStatus> _status = ValueNotifier(
+ ConnectionStatus.disconnected,
+ );
// Just to have a resonable default subscription?
StreamSubscription<BluetoothConnectionState> subs =
Stream<BluetoothConnectionState>.empty().listen((e) => ());
@@ -43,36 +46,38 @@ class FlutterBluePlusDeviceConnection implements DeviceConnection {
// connect timeout doesn't work under Linux
await dev.connect().timeout(Duration(seconds: 2));
// // ???? WTF ????
- List<BluetoothService> svcs = await dev.discoverServices();
- dev.onServicesReset.listen((_) async {
- logger.i("Services Reset");
- // try {
- // List<BluetoothService> svcs = dev.servicesList;
- // findCharac(svcs);
- // } catch (e) {
- // logger.e(e);
- // }
- });
-
- logger.i("services discovered");
-
- findCharac(svcs);
-
- _status = ConnectionStatus.connected;
-
- await Future.delayed(Duration(seconds: 5));
- logger.i("Try re-discover");
- svcs = await dev.discoverServices();
+ // List<BluetoothService> svcs = await dev.discoverServices();
+ // dev.onServicesReset.listen((_) async {
+ // logger.i("Services Reset");
+ // // try {
+ // // List<BluetoothService> svcs = dev.servicesList;
+ // // findCharac(svcs);
+ // // } catch (e) {
+ // // logger.e(e);
+ // // }
+ // });
+
+ // logger.i("services discovered");
+
+ // findCharac(svcs);
+
+ // _status.value = ConnectionStatus.connected;
+
+ // await Future.delayed(Duration(seconds: 5));
+ // logger.i("Try re-discover");
+ // svcs = await dev.discoverServices();
}
@override
Future<void> disconnect() async {
+ final dev = device.scanResult.device;
subs.cancel().ignore();
- _status = ConnectionStatus.disconnected;
+ await dev.disconnect();
+ _status.value = ConnectionStatus.disconnected;
}
@override
- ConnectionStatus get status => _status;
+ ValueNotifier<ConnectionStatus> get status => _status;
void _onConnStateChange(BluetoothConnectionState event) {
logger.i("New conn state: ${event.toString()}");
diff --git a/lib/model/connection/mock_device_connection.dart b/lib/model/connection/mock_device_connection.dart
index 8b8750a..9dc3726 100644
--- a/lib/model/connection/mock_device_connection.dart
+++ b/lib/model/connection/mock_device_connection.dart
@@ -13,21 +13,24 @@
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
+import 'package:flutter/foundation.dart';
import 'package:uvok_epaper_badge/model/connection/device_connection.dart';
class MockDeviceConnection implements DeviceConnection {
- ConnectionStatus _status = ConnectionStatus.disconnected;
+ final ValueNotifier<ConnectionStatus> _status = ValueNotifier(
+ ConnectionStatus.disconnected,
+ );
@override
Future<void> connect() async {
- _status = ConnectionStatus.connected;
+ _status.value = ConnectionStatus.connected;
}
@override
Future<void> disconnect() async {
- _status = ConnectionStatus.disconnected;
+ _status.value = ConnectionStatus.disconnected;
}
@override
- ConnectionStatus get status => _status;
+ ValueNotifier<ConnectionStatus> get status => _status;
}
diff --git a/lib/model/connection/universal_ble_connection.dart b/lib/model/connection/universal_ble_connection.dart
index 6aa3c87..fa986a0 100644
--- a/lib/model/connection/universal_ble_connection.dart
+++ b/lib/model/connection/universal_ble_connection.dart
@@ -1,10 +1,28 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:flutter/foundation.dart';
import 'package:universal_ble/universal_ble.dart';
import 'package:uvok_epaper_badge/model/connection/device_connection.dart';
import 'package:uvok_epaper_badge/model/device/universal_ble_device.dart';
class UniversalBleConnection implements DeviceConnection {
final UniversalBleDevice _device;
- ConnectionStatus _status = ConnectionStatus.disconnected;
+ final ValueNotifier<ConnectionStatus> _status = ValueNotifier(
+ ConnectionStatus.disconnected,
+ );
UniversalBleConnection(this._device);
@@ -12,17 +30,22 @@ class UniversalBleConnection implements DeviceConnection {
Future<void> connect() async {
await _device.device.connect();
- _status = await _device.device.isConnected
+ _status.value = await _device.device.isConnected
? ConnectionStatus.connected
: ConnectionStatus.disconnected;
+
+ if (_status.value == ConnectionStatus.connected) {
+ /* Ignore return value for now */
+ await _device.device.discoverServices();
+ }
}
@override
Future<void> disconnect() async {
await _device.device.disconnect();
- _status = ConnectionStatus.disconnected;
+ _status.value = ConnectionStatus.disconnected;
}
@override
- ConnectionStatus get status => _status;
+ ValueNotifier<ConnectionStatus> get status => _status;
}
diff --git a/lib/model/device/device.dart b/lib/model/device/device.dart
index 98445fa..577ac9e 100644
--- a/lib/model/device/device.dart
+++ b/lib/model/device/device.dart
@@ -1,5 +1,20 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
/// Represents a (badge) device to be connected to.
-abstract class Device {
+abstract interface class Device {
String? get name;
String? get address;
int? get rssi;
diff --git a/lib/model/device/flutter_blue_plus_device.dart b/lib/model/device/flutter_blue_plus_device.dart
index e56223b..3f6102a 100644
--- a/lib/model/device/flutter_blue_plus_device.dart
+++ b/lib/model/device/flutter_blue_plus_device.dart
@@ -1,3 +1,18 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
import 'package:uvok_epaper_badge/model/device/device.dart';
import 'package:flutter_blue_plus/flutter_blue_plus.dart';
import 'package:uvok_epaper_badge/utility.dart';
diff --git a/lib/model/device/mock_device.dart b/lib/model/device/mock_device.dart
index 78770e1..94a6a9c 100644
--- a/lib/model/device/mock_device.dart
+++ b/lib/model/device/mock_device.dart
@@ -1,3 +1,18 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
import 'package:uvok_epaper_badge/model/device/device.dart';
class MockDevice implements Device {
diff --git a/lib/model/device/universal_ble_device.dart b/lib/model/device/universal_ble_device.dart
index cbd6f93..0b6953f 100644
--- a/lib/model/device/universal_ble_device.dart
+++ b/lib/model/device/universal_ble_device.dart
@@ -1,3 +1,18 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
import 'package:universal_ble/universal_ble.dart';
import 'package:uvok_epaper_badge/model/device/device.dart';
diff --git a/lib/model/motive_selection/badge_motive_selection.dart b/lib/model/motive_selection/badge_motive_selection.dart
new file mode 100644
index 0000000..b6f2b9a
--- /dev/null
+++ b/lib/model/motive_selection/badge_motive_selection.dart
@@ -0,0 +1,22 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+
+abstract interface class BadgeMotiveSelection {
+ Future<BadgeMotive> getCurrentMotive();
+ Future<void> setCurrentMotive(BadgeMotive motive);
+ Future<List<BadgeMotive>> getMotives();
+}
diff --git a/lib/model/motive_selection/badge_parser.dart b/lib/model/motive_selection/badge_parser.dart
new file mode 100644
index 0000000..c4b4d58
--- /dev/null
+++ b/lib/model/motive_selection/badge_parser.dart
@@ -0,0 +1,37 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'dart:convert';
+
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+import 'package:uvok_epaper_badge/extensions/string_ext.dart';
+
+mixin BadgeParser {
+ List<BadgeMotive> parseBadgeMotives(List<int> val) {
+ var templates = ascii.decode(val);
+ var x = templates
+ .split(";")
+ .where((s) => s.isNotEmpty)
+ .map((String s) {
+ List<String> parts = s.splitFirst("-");
+ if (parts.length != 2) {
+ return BadgeMotive(-1, "Invalid value");
+ }
+ return BadgeMotive(int.tryParse(parts[0]) ?? -1, parts[1]);
+ })
+ .toList(growable: false);
+ return x;
+ }
+}
diff --git a/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart b/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart
new file mode 100644
index 0000000..4046d83
--- /dev/null
+++ b/lib/model/motive_selection/flutter_blue_plus_motive_selection.dart
@@ -0,0 +1,127 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'dart:convert';
+
+import 'package:flutter_blue_plus/flutter_blue_plus.dart';
+import 'package:uvok_epaper_badge/model/device/flutter_blue_plus_device.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_parser.dart';
+import 'package:uvok_epaper_badge/badge_exception.dart';
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart';
+
+class FlutterBluePlusMotiveSelection
+ with BadgeParser
+ implements BadgeMotiveSelection {
+ final FlutterBluePlusDevice _device;
+ final String _badgeService = "ca260000-b4bb-46b2-bd06-b7b7a61ea990";
+ final String _currentMotiveCharacteristic =
+ "ca260001-b4bb-46b2-bd06-b7b7a61ea990";
+ final String _availableMotivesCharacteristic =
+ "ca260002-b4bb-46b2-bd06-b7b7a61ea990";
+ bool _loadedServices = false;
+
+ List<BadgeMotive> _cachedMotives = [];
+
+ late final BluetoothDevice _fbpDevice;
+
+ FlutterBluePlusMotiveSelection({required FlutterBluePlusDevice device})
+ : _device = device {
+ _fbpDevice = _device.scanResult.device;
+ }
+
+ @override
+ Future<BadgeMotive> getCurrentMotive() async {
+ await _ensureConnected();
+
+ if (_cachedMotives.isEmpty) {
+ await getMotives();
+ }
+ if (_cachedMotives.isEmpty) {
+ throw BadgeException(
+ "No motives available, so there's no current motive",
+ );
+ }
+
+ try {
+ var serv = _fbpDevice.servicesList.firstWhere(
+ (s) => s.uuid.str == _badgeService,
+ );
+ var c = serv.characteristics.firstWhere(
+ (c) => c.characteristicUuid.str == _currentMotiveCharacteristic,
+ );
+
+ var val = await c.read();
+ int? currentMotive = int.tryParse(ascii.decode(val));
+ if (currentMotive == null) {
+ throw BadgeException("Error reading current motive.");
+ }
+ return _cachedMotives.singleWhere(
+ (bm) => bm.id == currentMotive,
+ orElse: () => throw BadgeException("Selected motive not in templates"),
+ );
+ } on StateError {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+ }
+
+ @override
+ Future<List<BadgeMotive>> getMotives() async {
+ await _ensureConnected();
+
+ try {
+ var serv = _fbpDevice.servicesList.firstWhere(
+ (s) => s.uuid.str == _badgeService,
+ );
+ var c = serv.characteristics.firstWhere(
+ (c) => c.characteristicUuid.str == _availableMotivesCharacteristic,
+ );
+ var val = await c.read();
+ List<BadgeMotive> x = parseBadgeMotives(val);
+ _cachedMotives = x;
+ } on StateError {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+
+ return _cachedMotives;
+ }
+
+ Future<void> _ensureConnected() async {
+ if (_fbpDevice.isDisconnected) {
+ throw BadgeException("Not connected");
+ }
+ if (!_loadedServices) {
+ await _fbpDevice.discoverServices();
+ _loadedServices = true;
+ }
+ }
+
+ @override
+ Future<void> setCurrentMotive(BadgeMotive motive) async {
+ await _ensureConnected();
+ try {
+ var serv = _fbpDevice.servicesList.firstWhere(
+ (s) => s.uuid.str == _badgeService,
+ );
+ var c = serv.characteristics.firstWhere(
+ (c) => c.characteristicUuid.str == _currentMotiveCharacteristic,
+ );
+
+ await c.write(ascii.encode(motive.id.toString()));
+ } on StateError {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+ }
+}
diff --git a/lib/model/motive_selection/mock_badge_motive_selection.dart b/lib/model/motive_selection/mock_badge_motive_selection.dart
new file mode 100644
index 0000000..572da2a
--- /dev/null
+++ b/lib/model/motive_selection/mock_badge_motive_selection.dart
@@ -0,0 +1,44 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart';
+
+class MockBadgeMotiveSelection implements BadgeMotiveSelection {
+ static const List<BadgeMotive> templates = [
+ BadgeMotive(0, "Foo"),
+ BadgeMotive(1, "Bar"),
+ BadgeMotive(2, "Baz"),
+ ];
+
+ BadgeMotive _currentMotive = templates[0];
+
+ @override
+ Future<BadgeMotive> getCurrentMotive() async {
+ return _currentMotive;
+ }
+
+ @override
+ Future<List<BadgeMotive>> getMotives() {
+ return Future.delayed(Duration(milliseconds: 100), () => templates);
+ }
+
+ @override
+ Future<void> setCurrentMotive(BadgeMotive motive) async {
+ return await Future.delayed(Duration(milliseconds: 300), () {
+ _currentMotive = motive;
+ });
+ }
+}
diff --git a/lib/model/motive_selection/universal_blue_motive_selection.dart b/lib/model/motive_selection/universal_blue_motive_selection.dart
new file mode 100644
index 0000000..084541a
--- /dev/null
+++ b/lib/model/motive_selection/universal_blue_motive_selection.dart
@@ -0,0 +1,111 @@
+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://www.gnu.org/licenses/>.
+
+import 'dart:convert';
+
+import 'package:universal_ble/universal_ble.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_parser.dart';
+import 'package:uvok_epaper_badge/badge_exception.dart';
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+import 'package:uvok_epaper_badge/model/device/universal_ble_device.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart';
+
+class UniversalBlueMotiveSelection
+ with BadgeParser
+ implements BadgeMotiveSelection {
+ final UniversalBleDevice _device;
+ final String _badgeService = "ca260000-b4bb-46b2-bd06-b7b7a61ea990";
+ final String _currentMotiveCharacteristic =
+ "ca260001-b4bb-46b2-bd06-b7b7a61ea990";
+ final String _availableMotivesCharacteristic =
+ "ca260002-b4bb-46b2-bd06-b7b7a61ea990";
+
+ List<BadgeMotive> _cachedMotives = [];
+
+ UniversalBlueMotiveSelection({required UniversalBleDevice device})
+ : _device = device;
+
+ @override
+ Future<BadgeMotive> getCurrentMotive() async {
+ await _ensureConnected();
+
+ if (_cachedMotives.isEmpty) {
+ await getMotives();
+ }
+ if (_cachedMotives.isEmpty) {
+ throw BadgeException(
+ "No motives available, so there's no current motive",
+ );
+ }
+
+ try {
+ var c = await _device.device.getCharacteristic(
+ _currentMotiveCharacteristic,
+ service: _badgeService,
+ );
+
+ var val = await c.read();
+ int? currentMotive = int.tryParse(ascii.decode(val));
+ if (currentMotive == null) {
+ throw BadgeException("Error reading current motive.");
+ }
+ return _cachedMotives.singleWhere(
+ (bm) => bm.id == currentMotive,
+ orElse: () => throw BadgeException("Selected motive not in templates"),
+ );
+ } on NotFoundException {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+ }
+
+ @override
+ Future<List<BadgeMotive>> getMotives() async {
+ await _ensureConnected();
+
+ try {
+ var c = await _device.device.getCharacteristic(
+ _availableMotivesCharacteristic,
+ service: _badgeService,
+ );
+ var val = await c.read();
+ _cachedMotives = parseBadgeMotives(val);
+ } on NotFoundException {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+
+ return _cachedMotives;
+ }
+
+ Future<void> _ensureConnected() async {
+ if (await _device.device.connectionState != BleConnectionState.connected) {
+ throw BadgeException("Not connected");
+ }
+ }
+
+ @override
+ Future<void> setCurrentMotive(BadgeMotive motive) async {
+ await _ensureConnected();
+ try {
+ var c = await _device.device.getCharacteristic(
+ _currentMotiveCharacteristic,
+ service: _badgeService,
+ );
+
+ await c.write(ascii.encode(motive.id.toString()), withResponse: true);
+ } on NotFoundException {
+ throw BadgeException("Characeristic/Service not found.");
+ }
+ }
+}