RSB-4221 User Manual
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M.2 Mrvl. WIFI/BT Test ........................................................................... 31
3.10.1 M.2 wifi Test................................................................................ 31
3.10.2 Bluetooth Test............................................................................. 32
Serial Port Test ....................................................................................... 34
3.12.1 COM1~COM5 RS232 Test......................................................... 34
3.12.2 COM1 RS422 Test ..................................................................... 34
3.12.3 COM1 RS485 Test ..................................................................... 35
Watchdog Timer Test.............................................................................. 36
........................................... 39
Pre-built System Image .............................................................. 40
Source Code Package................................................................ 40
Figure 4.1 Source code package structure................................ 40
Figure 4.2 image\rootfs.............................................................. 42
Set up Build Environment ....................................................................... 43
4.3.1
setenv.sh .................................................................................... 44
Build u-boot Image...................................................................... 44
Build Linux Kernel Image............................................................ 44
Build Log..................................................................................... 44
Kernel Source Code Modification ........................................................... 45
4.5.1
Add a Driver to Kernel by menuconfig ........................................ 45
Figure 4.3 Linux Kernel Configuration ....................................... 45
Figure 4.4 Selecting Seiko Instruments S-35390A.................... 46
Create a Linux System Boot Media ........................................................ 47
4.6.1
Storage Information (eMMC/SD card) ........................................ 47
Create a Linux System SD Card................................................. 47
Boot from Onboard Flash ........................................................... 48
Figure 4.5 HyperTerminal Settings for Serial Console Setup.... 48
Linux System Configuration and Use...................................................... 49
4.8.1
Display Output Setting ................................................................ 49
Service Configuration ................................................................. 49
Network configuration ................................................................. 50
Figure 4.6 IP Configuration........................................................ 51
Screen rotation for Qt application ............................................... 55
Summary of Contents for RSB-4221
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