Wangjialin 9c7cc86793 1. modify i2c_set_pin function ... 2. update example comments and other minor changes 3. rename API: i2c_cmd_link_create/i2c_cmd_link_delete (+4 squashed commits) Squashed commits: [2e0ac3e] 1. coding style: add one space after condition key words. 2. modify i2c.h, use gpio_num_t instead of int, improve comments of return values 3. add i2c index in index.rst 4. add readme for i2c example [4991d92] update i2c.doc [88b672e] driver: i2c 1. add mux and spin lock to run in a thread-safe way. 2. modify example code [4eb15fe] driver: i2c code 1. add i2c master code 2. add i2c slave code 3. add i2c example code 4. add DRAM_ATTR for I2C array		2017-01-03 00:57:19 +08:00
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driver	1. modify i2c_set_pin function	2017-01-03 00:57:19 +08:00