📄 os_core.lst
字号:
652 1
653 1 OSTaskCtr = 0; /* Clear the number of tasks
- */
654 1
655 1 OSRunning = FALSE; /* Indicate that multitasking not started
- */
656 1
657 1 OSCtxSwCtr = 0; /* Clear the context switch counter
C51 COMPILER V7.50 OS_CORE 08/08/2005 12:35:30 PAGE 12
- */
658 1 OSIdleCtr = 0L; /* Clear the 32-bit idle counter
- */
659 1
660 1 #if (OS_TASK_STAT_EN > 0) && (OS_TASK_CREATE_EXT_EN > 0)
OSIdleCtrRun = 0L;
OSIdleCtrMax = 0L;
OSStatRdy = FALSE; /* Statistic task is not ready
- */
#endif
665 1 }
666 /*$PAGE*/
667 /*
668 *********************************************************************************************************
669 * INITIALIZATION
670 * INITIALIZE THE READY LIST
671 *
672 * Description: This function is called by OSInit() to initialize the Ready List.
673 *
674 * Arguments : none
675 *
676 * Returns : none
677 *********************************************************************************************************
678 */
679
680 static void OS_InitRdyList (void)
681 {
682 1 INT16U i;
683 1 INT8U *prdytbl;
684 1
685 1
686 1 OSRdyGrp = 0x00; /* Clear the ready list
- */
687 1 prdytbl = &OSRdyTbl[0];
688 1 for (i = 0; i < OS_RDY_TBL_SIZE; i++) {
689 2 *prdytbl++ = 0x00;
690 2 }
691 1
692 1 OSPrioCur = 0;
693 1 OSPrioHighRdy = 0;
694 1
695 1 OSTCBHighRdy = (OS_TCB *)0;
696 1 OSTCBCur = (OS_TCB *)0;
697 1 }
698
699 /*$PAGE*/
700 /*
701 *********************************************************************************************************
702 * INITIALIZATION
703 * CREATING THE IDLE TASK
704 *
705 * Description: This function creates the Idle Task.
706 *
707 * Arguments : none
708 *
709 * Returns : none
710 *********************************************************************************************************
711 */
712
713 static void OS_InitTaskIdle (void)
714 {
715 1 #if OS_TASK_CREATE_EXT_EN > 0
C51 COMPILER V7.50 OS_CORE 08/08/2005 12:35:30 PAGE 13
#if OS_STK_GROWTH == 1
(void)OSTaskCreateExt(OS_TaskIdle,
(void *)0, /* No arguments passed to OS_TaskIdle
-() */
&OSTaskIdleStk[OS_TASK_IDLE_STK_SIZE - 1], /* Set Top-Of-Stack
- */
OS_IDLE_PRIO, /* Lowest priority level
- */
OS_TASK_IDLE_ID,
&OSTaskIdleStk[0], /* Set Bottom-Of-Stack
- */
OS_TASK_IDLE_STK_SIZE,
(void *)0, /* No TCB extension
- */
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);/* Enable stack checking + clear stac
-k */
#else
(void)OSTaskCreateExt(OS_TaskIdle,
(void *)0, /* No arguments passed to OS_TaskIdle
-() */
&OSTaskIdleStk[0], /* Set Top-Of-Stack
- */
OS_IDLE_PRIO, /* Lowest priority level
- */
OS_TASK_IDLE_ID,
&OSTaskIdleStk[OS_TASK_IDLE_STK_SIZE - 1], /* Set Bottom-Of-Stack
- */
OS_TASK_IDLE_STK_SIZE,
(void *)0, /* No TCB extension
- */
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);/* Enable stack checking + clear stac
-k */
#endif
#else
738 1 #if OS_STK_GROWTH == 1
(void)OSTaskCreate(OS_TaskIdle,
(void *)0,
&OSTaskIdleStk[OS_TASK_IDLE_STK_SIZE - 1],
OS_IDLE_PRIO);
#else
744 1 (void)OSTaskCreate(OS_TaskIdle,
745 1 (void *)0,
746 1 &OSTaskIdleStk[0],
747 1 OS_IDLE_PRIO);
748 1 #endif
749 1 #endif
750 1 }
751 /*$PAGE*/
752 /*
753 *********************************************************************************************************
754 * INITIALIZATION
755 * CREATING THE STATISTIC TASK
756 *
757 * Description: This function creates the Statistic Task.
758 *
759 * Arguments : none
760 *
761 * Returns : none
762 *********************************************************************************************************
763 */
764
765 #if OS_TASK_STAT_EN > 0
C51 COMPILER V7.50 OS_CORE 08/08/2005 12:35:30 PAGE 14
static void OS_InitTaskStat (void)
{
#if OS_TASK_CREATE_EXT_EN > 0
#if OS_STK_GROWTH == 1
(void)OSTaskCreateExt(OS_TaskStat,
(void *)0, /* No args passed to OS_TaskStat()*
-/
&OSTaskStatStk[OS_TASK_STAT_STK_SIZE - 1], /* Set Top-Of-Stack *
-/
OS_STAT_PRIO, /* One higher than the idle task *
-/
OS_TASK_STAT_ID,
&OSTaskStatStk[0], /* Set Bottom-Of-Stack *
-/
OS_TASK_STAT_STK_SIZE,
(void *)0, /* No TCB extension *
-/
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR); /* Enable stack checking + clear *
-/
#else
(void)OSTaskCreateExt(OS_TaskStat,
(void *)0, /* No args passed to OS_TaskStat()*
-/
&OSTaskStatStk[0], /* Set Top-Of-Stack *
-/
OS_STAT_PRIO, /* One higher than the idle task *
-/
OS_TASK_STAT_ID,
&OSTaskStatStk[OS_TASK_STAT_STK_SIZE - 1], /* Set Bottom-Of-Stack *
-/
OS_TASK_STAT_STK_SIZE,
(void *)0, /* No TCB extension *
-/
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR); /* Enable stack checking + clear *
-/
#endif
#else
#if OS_STK_GROWTH == 1
(void)OSTaskCreate(OS_TaskStat,
(void *)0, /* No args passed to OS_TaskStat()*
-/
&OSTaskStatStk[OS_TASK_STAT_STK_SIZE - 1], /* Set Top-Of-Stack *
-/
OS_STAT_PRIO); /* One higher than the idle task *
-/
#else
(void)OSTaskCreate(OS_TaskStat,
(void *)0, /* No args passed to OS_TaskStat()*
-/
&OSTaskStatStk[0], /* Set Top-Of-Stack *
-/
OS_STAT_PRIO); /* One higher than the idle task *
-/
#endif
#endif
}
#endif
805 /*$PAGE*/
806 /*
807 *********************************************************************************************************
808 * INITIALIZATION
809 * INITIALIZE THE FREE LIST OF TASK CONTROL BLOCKS
C51 COMPILER V7.50 OS_CORE 08/08/2005 12:35:30 PAGE 15
810 *
811 * Description: This function is called by OSInit() to initialize the free list of OS_TCBs.
812 *
813 * Arguments : none
814 *
815 * Returns : none
816 *********************************************************************************************************
817 */
818
819 static void OS_InitTCBList (void)
820 {
821 1 INT8U i;
822 1 OS_TCB *ptcb1;
823 1 OS_TCB *ptcb2;
824 1
825 1
826 1 OSTCBList = (OS_TCB *)0; /* TCB Initialization
- */
827 1 for (i = 0; i < (OS_LOWEST_PRIO + 1); i++) { /* Clear the priority table
- */
828 2 OSTCBPrioTbl[i] = (OS_TCB *)0;
829 2 }
830 1 ptcb1 = &OSTCBTbl[0];
831 1 ptcb2 = &OSTCBTbl[1];
832 1 for (i = 0; i < (OS_MAX_TASKS + OS_N_SYS_TASKS - 1); i++) { /* Init. list of free TCBs
- */
833 2 ptcb1->OSTCBNext = ptcb2;
834 2 ptcb1++;
835 2 ptcb2++;
836 2 }
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -