title: Change bluetooth mac address in Raspbian
body: <p>hi i need to change the bluetooth mac address from my device. i've download the bdaddr utility from <a href="http://blog.petrilopia.net/linux/change-your-bluetooth-device-mac-address/" rel="nofollow">here</a>! and i compiled it.</p>
  
  <p>Then...</p>
  
  <pre><code>wget -U "Mozilla" http://www.petrilopia.net/wordpress/wp-content/uploads/bdaddrtar.bz2
  ...
  mv bdaddrtar.bz2 bdaddr.tar.bz2
  tar xvjf bdaddr.tar.bz2
  cd bdaddr 
  sudo apt-get install libbluetooth-dev
  ...
  make
  </code></pre>
  
  <p>...</p>
  
  <pre><code>pi@raspberrypi ~/bdaddr $ hcitool dev
  Devices:
      hci0    00:1F:81:00:08:30
  pi@raspberrypi ~/bdaddr $ hciconfig
      hci0:   Type: BR/EDR  Bus: USB
      BD Address: 00:1F:81:00:08:30  ACL MTU: 1021:4  SCO MTU: 180:1
      UP RUNNING PSCAN ISCAN 
      RX bytes:2296 acl:0 sco:0 events:100 errors:0
      TX bytes:1081 acl:0 sco:0 commands:98 errors:0
  pi@raspberrypi ~/bdaddr $ sudo ./bdaddr -i hci0 00:1F:81:00:48:30
  Manufacturer:   Cambridge Silicon Radio (10)
  Device address: 00:1F:81:00:08:30
  New BD address: 00:1F:81:00:48:30
  
  Can't write new address
  </code></pre>
  
  <p>Why can't i write the address? some idea?</p>
  
  <p>thanks</p>