IoTGateway/BSP/Android/Android BSP User Guide 6.0.1 2.1.0

Setup host computer

Setup Ubuntu host computer

Install Ubuntu 14.04 LTS 64bit. You should have about 80 Gbytes of free disk space for building images.

Go to http://releases.ubuntu.com/14.04/ and download 64-bit PC (AMD64) desktop image: http://releases.ubuntu.com/14.04/ubuntu-14.04.3-desktop-amd64.iso for the installation.

Install docker and Use docker

Please use docker environment to compiler Android 6.0.1_2.1.0

Android 6.0.1_2.1.0 Docker

Image Repository : advrisc/u14.04-imx6abv4

Image Tag : 20160825

Reference: http://ess-wiki.advantech.com.tw/view/IoTGateway/Docker

Getting Android source code (Android 6.0.1_2.1.0/kernel Yocto-2.0 /U-Boot Yocto-2.0)

$ mkdir myandroid
$ mkdir bin
$ cd myandroid/
$ curl [https://storage.googleapis.com/git-repo-downloads/repo https://storage.googleapis.com/git-repo-downloads/repo] > ../bin/repo
$ chmod a+x ../bin/repo
$ ../bin/repo init -u https://github.com/ADVANTECH-Corp/android-manifest.git -b m6.0.1_2.1.0-ga
$ ../bin/repo sync

Remove the .repo and .git file

$ find . -name .repo | xargs rm -rf 
$ find . -name .git | xargs rm -rf 

Patch to Android M6.0.1_2.1.0

$ cd myandroid/bootable/bootloader/uboot-imx/
$ patch -p1 <../../../patches_android_6.0.1/6001-Uboot_Yocto_4.1.15_1.2.0-to-Android_M6.0.1_2.1.0.patch
$ cd myandroid/kernel_imx/
$ patch -p1 <../patches_android_6.0.1/6001-Linux_Yocto_4.1.15_1.2.0-to-Android_M6.0.1_2.1.0.patch
$ cd myandroid/

Naming Rule

It is consist of the model name followed by "AB" plus version number, for example, 4410ABV2080 which "4410" stands for RSB-4410, "AB" is acronym of Android BSP, "V2080" stands for Version 2.080; other model names list below:

 "3420" stands for ROM-3420
 "5420" stands for ROM-5420
 "7420" stands for ROM-7420
 "DS31" stands for UBC-DS31
 "U220" stands for UBC-220

To build boot loader

Perform the following command in terminal console

<span style="background-color: rgb(245, 245, 245); white-space: pre-wrap;">$ make -j4 bootloader</span>

The two files, u-boot_crc.bin & u-boot_crc.bin.crc, will be located in directory, ./out/target/product/product_name

To build boot image

Perform the following command in terminal console

to do build bootimage

$ make -j4 bootimage

To build boot image

Perform the following command in terminal console

to do build systemimage

$ make -j4 systemimage

$ out/host/linux-x86/bin/simg2img out/target/product/$PRODUCT/system.img out/target/product/$PRODUCT/system_raw.img

$ mv out/target/product/$PRODUCT/system_raw.img out/target/product/$PRODUCT/system.img

simg2img is a tool that converts a sparse system image to a raw system image on a Linux host PC and is located in myandroid/out/host/linux-x86/bin/simg2img.