User manual
Page | 37   
Software 
Descriptions 
Code Type 
usb otg 
USB  OTG  2.0  driver  (currently  only 
supports USB device mode) 
Source code 
usb ehci 
USB ehci driver 
Source code 
VGA 
Supports VGA signal output 
Source code 
audio 
Sound  card  driver  (support  audio 
recording/playback) 
Source code 
camera 
Camera driver 
Source code 
Key 
Key driver 
led 
LEDs driver 
Source code 
Demo 
Android 
Android system v2.2 
Source code 
DVSDK 
DVSDK 4_00_00_22 system 
Source code 
3.3 System Development Process 
This  section  will  show  you  the  whole  process  of  developing  software 
starting from building a development environment to making a customized 
system. 
3.3.1 Building Development Environment 
1. Installing Cross Compilation Tools; 
Put  the  DVD-ROM  in  your  PC’s  DVD  drive,  Ubuntu  will  mount  it  under 
/media/cdrom/ automatically, and then execute the following instructions 
in the terminal window of Ubuntu to uncompress the cross compiling tools 
from /media/cdrom/linux/tools to $HOME; 
  cd /media/cdrom/linux/tools 
  tar xvf arm-eabi-4.4.0.tar.bz2 -C $HOME 
  tar xvf arm-2007q3.tar.bz2 -C $HOME 
2. Copying More Tools; 
Continue executing the following  instructions to  copy  the tools required 
during source code compilation from /linux/tools to $HOME/tools/; 










