ARTiGO A820 Linux BSP v3.2.1 Quick Start Guide
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Table of Contents
1.
Introduction ................................................................................................................................... 1
1.1.
Package Contents............................................................................................................................................... 1
1.1.1.
BSP Folder Contents .................................................................................................................................. 1
1.1.2.
Document Folder Contents ..................................................................................................................... 1
1.1.3.
EVK Folder Contents ................................................................................................................................. 1
1.2.
Version Information and Supported Features ............................................................................................. 2
2.
Image Development .................................................................................................................... 3
2.1.
Booting from a Micro SD Card ....................................................................................................................... 3
2.2.
Booting from the SPI ROM and eMMC ......................................................................................................... 4
2.3.
Setting Up U-Boot Parameters ........................................................................................................................ 5
2.4.
Restoring Default U-Boot Parameters ........................................................................................................... 6
2.5.
Using the OpenEmbedded Console............................................................................................................. 7
3.
Build Environment Setup ............................................................................................................ 8
3.1.
Configuring Ubuntu ........................................................................................................................................... 8
4.
Image Build .................................................................................................................................... 9
4.1.
Extracting the ARTiGO A820 BSP .................................................................................................................. 9
4.2.
Machine Configuration ..................................................................................................................................... 9
4.3.
Building an SD Card Image ............................................................................................................................. 9
5.
Hardware Functions ................................................................................................................... 10
5.1.
Setting Up COM 1 ...........................................................................................................................................10
5.1.1.
Setting Up RS-232 Mode ........................................................................................................................10
5.1.2.
Setting Up RS-485 Mode ........................................................................................................................11
5.2.
Configuring Network Settings .......................................................................................................................12
5.3.
Configuring the VNT9271 USB Wi-Fi Dongle ...........................................................................................13
5.3.1.
Connecting to the Internet .....................................................................................................................13
5.4.
Configuring the EMIO-1541 miniPCIe Wi-Fi Module ..............................................................................14
5.4.1.
Connecting to the Internet .....................................................................................................................14
5.5.
Configuring the EMIO-2531 miniPCIe Wi-Fi & BT Module ....................................................................15
5.5.1.
Connecting to the Internet .....................................................................................................................15
5.5.2.
Enabling Bluetooth ..................................................................................................................................16
5.6.
Configuring the EMIO-2550 miniPCIe Mobile Broadband Module ........................................................19
5.6.1.
Connecting to the Internet .....................................................................................................................19
5.6.2.
Enabling GPS .............................................................................................................................................20
5.7.
Configuring Watchdog Timer .......................................................................................................................21
5.8.
Setting Up GPIO ..............................................................................................................................................22
5.8.1.
Setting Up DIO Port for GPIO Functionality ......................................................................................22
5.8.2.
Setting Up GPI Mode...............................................................................................................................22
5.8.3.
Setting Up GPO Mode ............................................................................................................................22
5.9.
Configuring RTC ...............................................................................................................................................23