Advantech ROM-5721, Руководство пользователя

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7 ROM-5721 User Manual
Contents
Chapter 1 Product Overview ................................1
1.1 Introduction ............................................................................................... 2
1.2 Product Features....................................................................................... 3
1.3 Mechanical Specifications ......................................................................... 4
1.4 Electrical Specifications ............................................................................ 4
1.5 Environmental Specifications .................................................................... 4
Chapter 2 H/W Installation ....................................5
2.1
2.2
Board Connectors ..................................................................................... 6
2.1.1 Connector List ............................................................................... 6
Board Block Diagram ................................................................................ 8
Figure 2.1 ROM-5721 Block Diagram.......................................... 8
Chapter 3 Software Functionality ........................9
3.1 Test Tools ............................................................................................... 10
3.1.1 Display Test ................................................................................ 10
3.1.2 Audio Test ................................................................................... 12
3.1.3 PCI-e Test ................................................................................... 13
3.1.4 Battery Test................................................................................. 15
3.1.5 RS-232 Test ................................................................................ 15
3.1.6 I2C Test ...................................................................................... 16
3.1.7 USB Test..................................................................................... 17
3.1.8 RTC Test..................................................................................... 18
3.1.9 MMC (eMMC/SD) Test ............................................................... 20
3.1.10 Ethernet Test .............................................................................. 22
3.1.11 CAN Test .................................................................................... 22
3.1.12 GPIO Test ................................................................................... 23
3.1.13 Watchdog Test ............................................................................ 25
3.2 Package Content..................................................................................... 26
3.2.1 Source Code Package ................................................................ 26
3.3 Setting up a Build Environment ............................................................... 29
3.3.1 Conventions ................................................................................ 30
3.3.2 Introducing BSP .......................................................................... 30
3.3.3 Build Instructions......................................................................... 33
3.3.4 Creating boot-up on-board flash from pre-built image ................ 34
3.3.5 Creating boot-up on-board flash from built sdcard image ........... 34
3.4 Customization ......................................................................................... 36
3.4.1 Package addition ........................................................................ 36
3.4.2 Setting up SDK ........................................................................... 36
3.4.3 Setting up cross compiling environment ..................................... 36
3.4.4 Building & updating u-boot manually .......................................... 36
3.4.5 Building & updating kernel/modules/dtb manually....................... 36
3.4.6
Replace Kernel &dts……………………………………………….. 38
3.5 System Recovery .................................................................................... 39
3.6 Debug Message ...................................................................................... 39
3.7 Linux Software AP and Testing on ROM-5721 ....................................... 40
3.7.1
“Hello World!” Application and Execution .................................... 40
3.7.2 Watchdog Timer Sample Code.................................................... 41
3.7.3 GPIO Setting................................................................................ 42
3.7.4 RS232 Initial Code ....................................................................... 42
3.7.5 Display Output Setting ................................................................. 43
3.7.6 Network Setup ............................................................................. 45
3.7.7 Storage (eMMC/SD Card) ........................................................... 46
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