Android Portable Media Player RC2
-
Upload
bryant6831 -
Category
Documents
-
view
759 -
download
8
Transcript of Android Portable Media Player RC2
TI701 98971001 98971012 98971016 98971025 98971029
Android Strategy Analytics 2009 5
2009 Android 900% 2009 5 Google Android Market 4,900 ( ) Android 40 Net Applications 2009 3 6 Android iPhone Microsoft Symbian Blackberry Android T-Mobile G1 7 ( ) 100
Linux Google -> Intel Moblin
Android
android wireless . Audio in/ Audio out Video in/Video out
(Performance depends on the S3C2440A processor speed)
Android (Applications) (Application
Framework)
(Libraries) Android RuntimesGoogle linux kernel
Android C/C++
Java Dalvik JVM
Linux (Linux Kernal)
kernel Android linux kernel Linux kernel linux kernel
diff
.patch patch linux kernel
Driver
Android linux kernel
kernel 1. Download Linux 2.6.25 for Android
1.0 SDK, Release 1
http://android.googlecode.com/files/linux-2.6.25-an
2. Download cross compiler Sourcery
G++ Lite 2008q3-66 for ARM EABI
http://www.codesourcery.com/sgpp/lite/arm/portal/
uda1341 soundcard porting
bitfield.h include/asm-arm/plat-s3c24xx/ Linux 2.6.25 for Android 1.0 SDK uda1341
driver s3c_uda1341.c sound/oss
sound/oss Makefile Obj-$(CONFIG_S3C2410_UDA1341)+= s3c_uda1341.o sound/oss kconfig config S3C2410_UDA1341 tristate "S3C2410 UDA1341 driver (S3C2440)" depends on SOUND_PRIME && SOUND && ARCH_S3C2410 help The UDA1341 can be found in Samsung's S3C24XX platforms. If you have a board based on one of these. Say Y or M here. If unsure, say N.
Touch Screen Porting kernel include/asm/arch-s3c2410/ts.h drivers/input/touchscreen/s3c2410_ts.c
Makefile Kconfig
DM9000 Porting Copy dm9000x.c drivers/net drivers/net/Makefile arch/arm/mach-s3c2440/mach-
s3c2440.c Makefile Kconfig
gedit $HOME/.bashrc
PATH=$PATH:/CodeSourcery/arm2008q3/bin source $HOME/.bashrc kernel.git MakefileARCH ?= arm CROSS_COMPILE ?=arm-none-linuxgnueabi-
mini2440 config
$ make menuconfig
kernel image
$ make zImage
mini2440 androidSuperViViFor mini2440 Android linux kernel
NFS
Android filesystem
Android Porting NAND Flash supervivi ( )
Android Porting kernel zImage file system
NFS
Android Porting
linux_cmd_line console=ttySAC0 root=nfs nfsroot=192.168.1.100:/nfs_root ip=192.168.1.70 init=/init
Android Porting Server /etc/exports /nfs
*(rw,sync,no_root_squash) Server IP IP Subnet mask Gateway
192.168.1.100 255.255.255.0 255.255.255.255
nfsroot
filesystem exports -r nfs
Android Porting arm
Android SDK Windows Linux Mac OS X (intel)
Eclipse Java JDK Android ADT
Android SDK
android create avd --target 2 --name
adb adb shell ls cd mkdir
adb install XXX.apk adb uninstall /data/app
adb push
sdcard mksdcard XXXMB emulator avd
sdcard sdcard /sdcard adb push /sdcard
Movie H.264 H.263
Music MP3 WAV AAC
emulator - skin HVGA-L
TouchScreen
include/asm/arch-s3c2410/ts.h drivers/input/touchscreen/s3c2410_ts.c
Kernel panic - not syncing:
Attempted to kill init
EABI cross-compiler (EABI:embedded-application binary interface)
http://darwin-dev.blogspot.com/2009_06_01_archive.html
MachineID bootloader(supervivi) Machine Id 782 kernel S3C2440(Machine ID = 362 )
kernel arch/arm/tools/mach-types s3c2440 ARCH_S3C2440 S3C2440 362 s3c2440 ARCH_S3C2440 S3C2440 782
linux wav cat
Android Portable Media Player TI701