Wangjialin 6b5e734901 driver: ledc - update fading functions, add example and doc ... 1. add fading functions. 2. clear up ledc.c and ledc.h 3. update api doc. 4. add ledc example 5. edit ledc.rst and add readme for example code. 6. add s_ prefix for static global values. 7. add mutex for fade functions 8. minor changes according to the comments.		2017-01-05 17:57:52 +08:00
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driver	driver: ledc - update fading functions, add example and doc	2017-01-05 17:57:52 +08:00