i2c
http://blog.chinaunix.net/uid-24148050-id-120532.html
http://blog.sina.com.cn/s/blog_9d268747010164l0.html i2c时序图
https://wenku.baidu.com/view/71ed2066b84ae45c3a358c01.html
http://blog.csdn.net/hello__xs/article/details/77859863
http://blog.csdn.net/wanghelou123/article/details/51530988
http://www.linuxidc.com/Linux/2011-05/36703.htm
https://zhidao.baidu.com/question/757674994120525444.html i2c和gpio
http://blog.sina.com.cn/s/blog_3e87d9170101aha3.html
模拟和固件的区别
http://www.cnblogs.com/aceheart/articles/3307477.html
http://bbs.elecfans.com/jishu_432319_1_1.html gpio 模拟i2c
http://www.linuxidc.com/Linux/2011-12/49040p3.htm
http://www.linuxidc.com/Linux/2011-12/49040.htm 枚举client
http://www.linuxidc.com/Linux/2014-05/101649.htm 怎样增加I2C设备
http://www.wiki.xilinx.com/Linux+I2C+Driver xilinx i2c 驱动
http://bbs.elecfans.com/jishu_488927_1_1.html
http://www.linuxidc.com/Linux/2012-08/67658p4.htm 全面的i2c理解
http://www.linuxidc.com/Linux/2012-08/67658p4.htm 主从
http://www.linuxidc.com/Linux/2011-08/41103.htm adob
http://www.linuxidc.com/Linux/2011-04/34032.htm i2c架构
http://www.linuxidc.com/Linux/2011-08/41103.htm i2c时钟设置
http://www.linuxidc.com/Linux/2012-01/51290.htm 读写i2c寄存器时序!!!i2c_master_send
http://www.linuxidc.com/Linux/2012-07/64445.htm davanc i2c adapter
http://blog.csdn.net/tea1896/article/details/51741732 i2c 时序
http://bbs.eeworld.com.cn/thread-290053-1-1.html i2c slave
http://blog.csdn.net/linyangspring/article/details/22846777
http://blog.csdn.net/zhaoxinfan/article/details/71512470
http://blog.csdn.net/21cnbao/article/details/8457546 i2c设备树
http://bbs.elecfans.com/jishu_488923_1_1.html
http://www.linuxidc.com/Linux/2017-03/142202.htm usb
http://www.linuxidc.com/Linux/2011-07/38211.htm 设备驱动开发详解
http://www.linuxidc.com/Linux/2012-08/68264p2.htm
http://www.linuxidc.com/Linux/2012-08/68264.htm i2c时钟
http://www.linuxidc.com/Linux/2011-06/37583.htm 2440
http://www.deyisupport.com/question_answer/dsp_arm/c6000_multicore/f/53/t/70095.aspx 德州仪器