"Android Deep Exploration" Vol. 1 fourth note 1314 Wang Ning

I.Android structure including device driver and source code structure

Second, AndroidCommon drivers include keyboard and control screen drivers (capacitance and resistance), Bluetooth drive Sound, SD/TF memory card, camera driver, dm09000 network driver, mtd , RTC , wlan driver

Third, configure the Android Source code Download Environment steps:

1. Create a file directory that holds the download script.

2. download the repo script.

3. Create A directory that holds the Android source code.

4. start initialization.

5. download the Android source code.

Iv. include the kconfig file in the android kernel configuration , which is the source file for each configuration . followed by a description of the kernel Configuration main Menu , also have Device,kernel Featu,system Type .

FiveCompileAndroidSource code step: Execute Make Clean,WillPrevious fileClear, willof the kernelMakefilepath to the fileModifyConfiguring the Kernel；And then the burn-writeAndroidfile: First is burn writeU-bootInNAND Flashthe steps, then the burn-writeAndroid UserData、 burning kernel image file burning , Burn write ramdisk-uboot.img finally start android system and Automatic update kernel and android system files.

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"Android Deep Exploration" Vol. 1 fourth note 1314 Wang Ning