µCOS-II UCOSII学习笔记2 µC/OS-II UCOSII学习笔记2 [pic]7-27-2005-17:07 Wed  [Dev开发] [pic] |PC_DOSSaveReturn();                                    /* Save | |environment to return to DOS        */ | |PC_VectSet(VECT_DOS_CHAIN, PC_TickISR);                /* Store | |MS-DOS's tick to chain             */ | |void PC_VectSet (INT8U vect, void (*isr)(void)) | |{ | |#if OS_CRITICAL_METHOD == 3                      /* Allocate | |storage for CPU status register           */ | |    OS_CPU_SR  cpu_sr; | |#endif    | |    INT16U    *pvect; | |……