妮仔的學習筆記

2010年7月18日星期日

echo 7 > proc/sys/kernel/printk

Study vi edit

1. Using Vi to see Hex file :!xxd 2.http://edt1023.sayya.org/vim/node1.html 3. [count] CMD [addr] count : 次數 CMD : command addr ...
bluetooth

http://bluecove.org/images/stack-diagram.png http://blog.csdn.net/dinuliang/archive/2010/07/07/5717382.aspx
Android 3G
Using iw command to link AP

# enable wifi # iw dev wlan0 scan | grep SSID # iw wlan0 connect "SSID" # iw dev wlan0 link # netcfg wlan0 dhcp Turn off pow...
Android Makefile follow

reference:http://tw.myblog.yahoo.com/blue-comic/article?mid=676 Android Makefile follow: Makefile -> build/core/main.mk -> build/core/...
beagleboard format mmc card

step1: umount disk #umount /media/disk step2: list disk and delete disk format #fdisk -l /dev/mmcblk0 #fdisk /dev/mmcblk0 step3: partition d...
Modify ramdisk.img on android

open device board and find ramdisk.img location 1. #ls /dev/block 2. #cd /data/tmp 3. #mount -t ext3 /dev/block/mmcblk0p1 mnt/ 4. on /data/t...
Study BT concept

http://dicky-chiang.blogspot.com/2009_07_01_archive.html 先總結一下目前我所認知BT : 藍牙協議堆疊依照其功能可分四層： * 核心協議層（HCI、LMP、L2CAP、SDP） * 線纜替換協定層（RFCOMM） * 電話控...
linux and android power management information

@ Normal Linux suspend - Source code : kernel_src/kernel/main.c kernel_src/kernel/arch/arm/mach-xxx/pm.c - usersp...

圖片視窗主題. 技術提供：Blogger.