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WeDo2 backwards compatibility update (#1518)

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* Resolving #1492: No longer trying to make WeDo2 backwards compatible with Scratch Link API v1.0.

* Closing the socket on all BLE/BT errors.

* Adding BT disconnection.
This commit is contained in:
Evelyn Eastmond 2018-08-22 17:45:26 -04:00 committed by Eric Rosenbaum
parent f567e34c3a
commit 5320dfb676
3 changed files with 7 additions and 15 deletions
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9
src/extensions/scratch3_wedo2/index.js
View file

@ -537,11 +537,6 @@ class WeDo2 {
this.setLED(0x0000FF);
})
.then(() => {
// register for attached io notifications
// TODO: make backwards compatible with 'read':
// - try 'startNotifications'
// - then try 'read' with 'startNotifications' flag
// - then catch OSX and Windows errors
this._ble.startNotifications(UUID.DEVICE_SERVICE, UUID.ATTACHED_IO, this._onMessage);
});
}
@ -663,10 +658,6 @@ class WeDo2 {
this._send(UUID.INPUT_COMMAND, Base64Util.uint8ArrayToBase64(cmd))
.then(() => {
// TODO: make backwards compatible with 'read':
// - try 'startNotifications'
// - then try 'read' with 'startNotifications' flag
// - then catch OSX and Windows errors
this._ble.startNotifications(UUID.IO_SERVICE, UUID.INPUT_VALUES, this._onMessage);
});
}

11
src/io/bleSession.js
View file

@ -115,7 +115,10 @@ class BLESession extends JSONRPCWebSocket {
characteristicId
};
this._characteristicDidChangeCallback = onCharacteristicChanged;
return this.sendRemoteRequest('startNotifications', params);
return this.sendRemoteRequest('startNotifications', params)
.catch(e => {
this._sendError(e);
});
}
/**
@ -137,9 +140,7 @@ class BLESession extends JSONRPCWebSocket {
this._characteristicDidChangeCallback = onCharacteristicChanged;
return this.sendRemoteRequest('read', params)
.catch(e => {
if (e.data !== 'Reading is not permitted.') { // TODO: move this error check to extension
this._sendError(e);
}
this._sendError(e);
});
}
@ -167,7 +168,7 @@ class BLESession extends JSONRPCWebSocket {
}
_sendError (/* e */) {
this._connected = false;
this.disconnectSession();
// log.error(`BLESession error: ${JSON.stringify(e)}`);
this._runtime.emit(this._runtime.constructor.PERIPHERAL_ERROR);
}

2
src/io/btSession.js
View file

@ -113,7 +113,7 @@ class BTSession extends JSONRPCWebSocket {
}
_sendError (/* e */) {
this._connected = false;
this.disconnectSession();
// log.error(`BTSession error: ${JSON.stringify(e)}`);
this._runtime.emit(this._runtime.constructor.PERIPHERAL_ERROR);
}