Add Device Information Service support

The Pybricks firmware now includes the BLE Device Information Service
to provide firmware and Pybricks protocol versions.

For now, checking that the service is present is enough to know that the
firmware is up to date. But we will need to add additional checks as
soon as the protocol is changed.

src/notifications/i18n.en.json

@@ -6,7 +6,7 @@
     },
     "ble": {
         "gattPermission": "The web browser did not give permission to use Bluetooth Low Energy",
-        "gattServiceNotFound": "Connected to hub but failed to get {serviceName} service. Try removing the \"{hubName}\" device in your OS Bluetooth settings, then try again.",
+        "gattServiceNotFound": "Connected to hub but failed to get {serviceName} service. Ensure that you are using the most recent firmware. If the problem persists, try removing the \"{hubName}\" device in your OS Bluetooth settings, then try connecting again.",
         "noWebBluetooth": "This web browser does not support Web Bluetooth or it is not enabled.",
         "noBluetooth": "No Bluetooth adapter could be found. Bluetooth won't work.",
         "unexpectedError": "Unexpected error while trying to connect: {errorMessage}"

src/notifications/sagas.test.ts

@@ -31,7 +31,10 @@ test.each([
     bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.NoWebBluetooth }),
     bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.NoBluetooth }),
     bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.NoGatt }),
-    bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.NoService }),
+    bleDidFailToConnect({
+        reason: BleDeviceFailToConnectReasonType.NoDeviceInfoService,
+    }),
+    bleDidFailToConnect({ reason: BleDeviceFailToConnectReasonType.NoPybricksService }),
     bleDidFailToConnect({
         reason: BleDeviceFailToConnectReasonType.Unknown,
         err: { name: 'test', message: 'unknown' },

src/notifications/sagas.ts

@@ -168,12 +168,18 @@ function* showBleDeviceDidFailToConnectError(
             yield* showSingleton(Level.Error, MessageId.BleGattPermission);
             break;
 
-        case BleDeviceFailToConnectReasonType.NoService:
+        case BleDeviceFailToConnectReasonType.NoPybricksService:
             yield* showSingleton(Level.Error, MessageId.BleGattServiceNotFound, {
                 serviceName: 'Pybricks',
                 hubName: 'Pybricks Hub',
             });
             break;
+        case BleDeviceFailToConnectReasonType.NoDeviceInfoService:
+            yield* showSingleton(Level.Error, MessageId.BleGattServiceNotFound, {
+                serviceName: 'Device Information',
+                hubName: 'Pybricks Hub',
+            });
+            break;
         case BleDeviceFailToConnectReasonType.NoBluetooth:
             yield* showSingleton(Level.Error, MessageId.BleNoBluetooth);
             break;