Introduction; Board Support Package; Pre-Built System Image; Source Code Package - Advantech RSB-4221 User Manual

4.1

Introduction

The purpose of this chapter is to introduce RSB-4221software development to you,
so that you can develop your own application(s) efficiently.
RSB-4221 is designed to support Linux host only. For now the official supported host
version is Ubuntu14.0464bit, any other version may have compatibility issues. In this
case, we strongly recommend to have Ubuntu 14.04LTS 64bit installed to your host
PC before starting RSB-4221 evaluation/development.
4.2

Board Support Package

We an offer you two different kinds of Android package for RSB-4221. One is a pre-
built system image for system recovery, another is a source code package (BSP).
4.2.1

Pre-built System Image

You can find the pre-built image 4221AIVxxxx_yyyy-mm-dd.tar.gz from RSB-4221
evaluation kit DVD image downloaded from the Advantech website. RSB-4221 sup-
ports booting from SD card so you can extract the image to the SD card then dump
the image file to the onboard eMMC to complete system recovery. For more details,
please refer to section 3.6 Create an Android System Boot media. Folders and files
are described below:
image:
This folder contains uboot image, kernel image and android root file system tar file
and so on. These files are used to burn to sd card or nand flash.
scripts:
This folder contains scripts for building images easily.
mksd-recovery.sh
To create a bootable SD card.mkin and-android.sh
To burn Android firmware to eMMC flash
4.2.2

Source Code Package

RSB-4221 board support package (BSP) contains a cross compiler, linux kernel
source code, u-boot source code, android root file system and some scripts used in
OS development.Some of the above components are developed by Advantech and
others are developed by the open source community.
Folders are described below:
android/u-boot/
U-Boot source code
android/device/advantech/rsb4221/
Android related settings for rsb4221
android/hardware/ti/
HAL(Hardware AbstractionLayer)
android/kernel /
Android kernel source code
android/prebuilts /
RSB-4221 User Manual 38