EmberZNet/EM35x/app/Driver
1. CHG: PWM use freq and duty to initial itself.
EmberZNet/EM35x/app/Driver
1. NEW: add TWI.c and TWI.h
Merge branch 'master' of https://github.com/yqyunjie/Zigbee-Project

Conflicts:
	firmware/EmberZNet/EM35x/app/Driver/Timer.c
	firmware/EmberZNet/EM35x/app/Driver/ewb-em357/Debug/Exe/sensor.ebl
	firmware/EmberZNet/EM35x/app/Driver/ewb-em357/Debug/Exe/sensor.s37
	firmware/EmberZNet/EM35x/app/Driver/ewb-em357/Debug/Lst/sensor.map
	firmware/EmberZNet/EM35x/app/Driver/main.c