In order to transfer the ownership of the contiki directories use the following command.  
 
In order to transfer the ownership of the contiki directories use the following command.  
   −
<code><nowiki> sudo chown :user /dev/ttyUSB0 </nowiki></code>
+
  sudo chown :user /dev/ttyUSB0
   −
<code><nowiki> sudo chown :user /dev/ttyUSB1 </nowiki></code>
+
  sudo chown :user /dev/ttyUSB1
    
== Using the Source Code ==
 
== Using the Source Code ==
 
For sink:
 
For sink:
   −
<code><nowiki> make TARGET=sky MOTES=/dev/ttyUSB0 collect-view-shell.upload </nowiki></code>
+
  make TARGET=sky MOTES=/dev/ttyUSB0 collect-view-shell.upload
    
For source:
 
For source:
   −
<code><nowiki> make TARGET=sky MOTES=/dev/ttyUSB1 collect-view-shell.upload </nowiki></code>
+
  make TARGET=sky MOTES=/dev/ttyUSB1 collect-view-shell.upload
    
=== Step 3 ===
 
=== Step 3 ===
 
Now we would like to see the transfer and depiction of data on the collect-view GUI. For that to happen, go to /tools/collect-view directory and run "ant" to build the collect viewer.
 
Now we would like to see the transfer and depiction of data on the collect-view GUI. For that to happen, go to /tools/collect-view directory and run "ant" to build the collect viewer.
   −
<code><nowiki> ant run </nowiki></code>
+
  ant run
    
'''Note''' - In order to edit GUI java files go to the /src directory.
 
'''Note''' - In order to edit GUI java files go to the /src directory.
 
To view the data collected at the sink, go to the generated /tools/collect-view/dist and run -  
 
To view the data collected at the sink, go to the generated /tools/collect-view/dist and run -  
   Exception encountered, of type "Error"