4.3.7 RS485 Bus Test .................................................28
4.3.8 USB Test...........................................................29
4.3.9 RTC Test ...........................................................30
4.3.10 TF Card Test..................................................31
4.3.11 LED Test .......................................................32
4.3.12 Buzzer Test ...................................................32
4.3.13 GPIO Test......................................................32
4.3.14 Button Test ...................................................33
4.3.15 Screen Capture Test .......................................34
4.3.16 Audio Test .....................................................34
4.3.17 Watchdog Test...............................................35
4.3.18 Telnet Test ....................................................35
4.3.19 Mounting NFS (Network File System)................38
4.4 Transferring Files Using SecureCRT............................39
4.5 Transferring Files Using Network Protocol...................40
4.6 Linux QT Demonstration...........................................42
Chapter 5: Development Environment and System
Compilation………………....................................................... 44
5.1 Building a Cross Compilation Environment..................44
5.2 System Compilation ................................................45
5.3 Uncompressing Files................................................45
5.4 Making a Bootstrap .................................................46
5.5 Making a U-boot .....................................................47
5.6 Making a Kernel......................................................47
5.7 Making a File system Image .....................................48
Chapter 6: System Customization.................................... 49
6.1 Kernel Customisation...............................................49
6.2 File system Customisation........................................51
6.3 Simple Driver Modules in Kernel................................52
6.4 Using Makefile to Associate Drivers with Kernel...........55
6.5 Compiling and Downloading Drivers...........................55