/* 永久等待方式持有信号量 */ result = rt_sem_take(&static_sem, RT_WAITING_FOREVER);//获取—rt_sem_take(); if (result != RT_EOK) { /* 不成功则测试失败 */ rt_kprintf("take a static semaphore, failed.\n"); rt_sem_detach(&static_sem);//脱离—rt_sem_detach()( 对应静态信号量...