Posted on December 17, 2015 at 10:40 According to the http://www.keil.com/pack/doc/CMSIS/RTOS/html/group___c_m_s_i_s___r_t_o_s___semaphore_mgmt.html#gacc15b0fc8ce1167fe43da33042e62098(CMSIS version 1.02) the return value should be the number ...