study topics

永远不变的东西，原理

study roadmap:

1.user space:

　　tizen power manager => suspend/resume or runtime?

　　android power manager => early suspend / wakelock / suspend/resume / platform sleep

2.kernel:

　　linux original suspend/resume

　　linux runtime pm

3.write my own power manager

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1.cpu p-states / c-states

2.linux cpu freq governor

3.cpu architecture， 计算机组成原理

4.os principle

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从头开发一些现有设备的驱动 ：

1. 网卡

2.usb设备，USB摄像头(需要v4l2)

3.串口

4.sd card / emmc

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1. how to analyze app crash

strace

backtrace

map

coredump

......

indicator-datetime 显示日期的app crash 分析

2.LTTng tracer

http://lwn.net/Articles/491510/

3.gst camera:

http://www.twm-kd.com/linux/webcam-and-linux-gstreamer-tutorial/

http://www.ideasonboard.org/uvc/

http://blog.csdn.net/shenbin1430/article/details/5708345

gstreamer:

http://www.oz9aec.net/index.php/gstreamer/345-a-weekend-with-gstreamer

http://wiki.oz9aec.net/index.php/Gstreamer_Cheat_Sheet

http://www.eisfuchs.info/eisfuchs/gstreamer/

http://lac.linuxaudio.org/2010/download/GStreamerAudioApps.pdf

https://people.gnome.org/~gman/guadec_talks/guadec-gst-app-dev.pdf

https://developer.ridgerun.com/wiki/index.php/Gstreamer_Creating_C_Code_Applications

http://lwn.net/Articles/464270/

http://www.khronos.org/files/openmax/whitepapers/OpenMAX_IL_with_GSstreamer.pdf

http://techslides.com/sample-webm-ogg-and-mp4-video-files-for-html5/

http://www.bigbuckbunny.org/index.php/download/

https://github.com/spk121/burro-engine/wiki/GStreamer-Tutorial-%231:-How-I-Made-a-Beep!

http://mil-oss.org/resources/mil-oss-wg3_gstreamer-for-video-processing-applications_josh-doe.pdf

http://www.twm-kd.com/linux/webcam-and-linux-gstreamer-tutorial/

http://wiki.oz9aec.net/index.php/Gstreamer_Cheat_Sheet#cite_note-gst-doc-1

http://blogs.elphel.com/2009/11/interfacing-elphel-cameras-with-gstreamer-opencv-opengl-and-python-get-profit-of-dsp-or-gpu-based-optimisation-control-camera-settings-from-python-application-or-human-interface-device-hid/

http://noraisin.net/diary/?p=40

http://gstreamer.freedesktop.org/data/doc/gstreamer/head/faq/html/chapter-using.html