-49-
v7.3
Wireless Sensor Networks
Meshlium
X
treme
Figure: Encryption in communications
Once the user has properly set the AES keys associated to every waspmote, receiving AES encrypted frames in
Meshlium is a straightforward process.
As an encrypted frame arrives to Meshlium, sensorParser program takes the appropriate key for the Waspmote
ID. The frame is decoded with the key and the information is extracted to the sensor database.
Bear in mind that to use this feature, the frame have to be created with the Waspmote libraries for AES frames.
You can see further information about this in the Waspmote guides.
http://www.libelium.com/waspmote
10.2.1.3. Capturing and storing sensor data from RF module
Meshlium will receive the sensor data sent by Waspmote and Plug and Sense using the RF radio and it will store
the frames in the local database.
That can be done in an automatic way thanks to the Sensor Parser.
The Sensor Parser is a software system which is able to do the following tasks in an easy and transparent way:
•
receive frames from XBee modules (with the Data Frame format)
•
parse these frames
•
store the data in the local database
Besides, the user can add his own sensors, and the data will be parsed in the database too. In order to add your
own sensor frames properly go to the section “Sensor list”.
We can perform two different storage options with the frames captured:
•
Local database
•
External database
