change device mode after feedback only

device._mode is used to interpret incoming port value messages. When changing the mode on a hub, the recieved port values are for the old mode until the port input format message with the new mode has arrived.

Author: Debenben

src/devices/device.ts

@@ -142,7 +142,6 @@ export class Device extends EventEmitter {
  public subscribe (mode: number) {
  this._ensureConnected();
  if (mode !== this._mode) {
- this._mode = mode;
  this.hub.subscribe(this.portId, this.type, mode);
  }
  }
@@ -178,6 +177,10 @@ export class Device extends EventEmitter {
  }
  }
 
+ public setMode (message: number) {
+ this._mode = message;
+ }
+
  public setEventTimer (timer: NodeJS.Timeout) {
  this._eventTimer = timer;
  }

src/hubs/lpf2hub.ts

@@ -159,10 +159,14 @@ export class LPF2Hub extends BaseHub {
  this._parseSensorMessage(message);
  break;
  }
+ case Consts.MessageType.PORT_INPUT_FORMAT_SINGLE: {
+ this._parsePortInputFormatMessage(message);
+ break;
+}
  case Consts.MessageType.PORT_OUTPUT_COMMAND_FEEDBACK: {
  this._parsePortAction(message);
  break;
- }
+}
  }
 
  if (this._messageBuffer.length > 0) {
@@ -346,7 +350,6 @@ export class LPF2Hub extends BaseHub {
  }
  }
 
-
  private _parsePortAction (message: Buffer) {
  for (let offset = 3; offset < message.length; offset += 2) {
  const device = this._getDeviceByPortId(message[offset]);
@@ -357,17 +360,21 @@ export class LPF2Hub extends BaseHub {
  }
  }
 
-
  private _parseSensorMessage (message: Buffer) {
-
  const portId = message[3];
  const device = this._getDeviceByPortId(portId);
 
  if (device) {
  device.receive(message);
  }
-
  }
 
+ private _parsePortInputFormatMessage (message: Buffer) {
+ const portId = message[3];
+ const device = this._getDeviceByPortId(portId);
 
+ if (device) {
+ device.setMode(message[4]);
+ }
+ }
 }