My learning backups

1.zynq audio pcm DMA

http://www.aichengxu.com/other/24595599.htm

2.GPIO及中断API函数

http://blog.sina.com.cn/s/blog_a6559d9201015vx9.html

3. OpenCv中实现了三种立体匹配算法：

http://blog.csdn.net/real_myth/article/details/50964473

4. OpenCV三种立体匹配求视差图算法总结

http://blog.csdn.net/mailang2008/article/details/5873883

5. Android 4.0 触摸屏驱动调试记录

http://blog.chinaunix.net/uid-9688646-id-3266004.html