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在CMSIS 2.0接口里面 osSemaphoreRelease 对LOS_SemPost进行了封装，可以参考CMSIS 2.0 手册
https://www.keil.com/pack/doc/CMSIS/RTOS2/html/group__CMSIS__RTOS__SemaphoreMgmt.html#ga0abcee1b5449d7a6928fb9248c690bb6 说明，
osSemaphoreRelease 接口使用场景
"This function may be called from Interrupt Service Routines."