📄 serial.lst
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=2 INT8U OSValue; /* Mutex value (0 = used, 1 = available) */
=2 INT8U OSOwnerPrio; /* Mutex owner's task priority or 0xFF if no owner */
=2 INT8U OSMutexPIP; /* Priority Inheritance Priority or 0xFF if no owner */
=2 } OS_MUTEX_DATA;
=2 #endif
305 =2
306 =2 /*
307 =2 *********************************************************************************************************
308 =2 * MESSAGE QUEUE DATA
309 =2 *********************************************************************************************************
310 =2 */
311 =2
312 =2 #if OS_Q_EN > 0
=2 typedef struct os_q { /* QUEUE CONTROL BLOCK */
=2 struct os_q *OSQPtr; /* Link to next queue control block in list of free blocks */
=2 void **OSQStart; /* Pointer to start of queue data */
=2 void **OSQEnd; /* Pointer to end of queue data */
=2 void **OSQIn; /* Pointer to where next message will be inserted in the Q */
=2 void **OSQOut; /* Pointer to where next message will be extracted from the Q */
=2 INT16U OSQSize; /* Size of queue (maximum number of entries) */
=2 INT16U OSQEntries; /* Current number of entries in the queue */
=2 } OS_Q;
=2
=2
=2 typedef struct {
=2 void *OSMsg; /* Pointer to next message to be extracted from queue */
=2 INT16U OSNMsgs; /* Number of messages in message queue */
=2 INT16U OSQSize; /* Size of message queue */
=2 INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
=2 INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
=2 } OS_Q_DATA;
=2 #endif
332 =2
333 =2 /*
334 =2 *********************************************************************************************************
335 =2 * SEMAPHORE DATA
336 =2 *********************************************************************************************************
337 =2 */
338 =2
339 =2 #if OS_SEM_EN > 0
=2 typedef struct {
=2 INT16U OSCnt; /* Semaphore count */
=2 INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
=2 INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
=2 } OS_SEM_DATA;
=2 #endif
346 =2
347 =2 /*
348 =2 *********************************************************************************************************
349 =2 * TASK STACK DATA
350 =2 *********************************************************************************************************
351 =2 */
352 =2
353 =2 #if OS_TASK_CREATE_EXT_EN > 0
=2 typedef struct {
=2 INT32U OSFree; /* Number of free bytes on the stack */
=2 INT32U OSUsed; /* Number of bytes used on the stack */
=2 } OS_STK_DATA;
=2 #endif
359 =2
C51 COMPILER V8.08 SERIAL 08/06/2008 16:11:38 PAGE 16
360 =2 /*
361 =2 *********************************************************************************************************
362 =2 * TASK CONTROL BLOCK
363 =2 *********************************************************************************************************
364 =2 */
365 =2
366 =2 typedef struct os_tcb {
367 =2 OS_STK *OSTCBStkPtr; /* Pointer to current top of stack */
368 =2
369 =2 #if OS_TASK_CREATE_EXT_EN > 0
=2 void *OSTCBExtPtr; /* Pointer to user definable data for TCB extension */
=2 OS_STK *OSTCBStkBottom; /* Pointer to bottom of stack */
=2 INT32U OSTCBStkSize; /* Size of task stack (in number of stack elements) */
=2 INT16U OSTCBOpt; /* Task options as passed by OSTaskCreateExt() */
=2 INT16U OSTCBId; /* Task ID (0..65535) */
=2 #endif
376 =2
377 =2 struct os_tcb *OSTCBNext; /* Pointer to next TCB in the TCB list */
378 =2 struct os_tcb *OSTCBPrev; /* Pointer to previous TCB in the TCB list */
379 =2
380 =2 #if ((OS_Q_EN > 0) && (OS_MAX_QS > 0)) || (OS_MBOX_EN > 0) || (OS_SEM_EN > 0) || (OS_MUTEX_EN > 0)
=2 OS_EVENT *OSTCBEventPtr; /* Pointer to event control block */
=2 #endif
383 =2
384 =2 #if ((OS_Q_EN > 0) && (OS_MAX_QS > 0)) || (OS_MBOX_EN > 0)
=2 void *OSTCBMsg; /* Message received from OSMboxPost() or OSQPost() */
=2 #endif
387 =2
388 =2 #if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
=2 #if OS_TASK_DEL_EN > 0
=2 OS_FLAG_NODE *OSTCBFlagNode; /* Pointer to event flag node */
=2 #endif
=2 OS_FLAGS OSTCBFlagsRdy; /* Event flags that made task ready to run */
=2 #endif
394 =2
395 =2 INT16U OSTCBDly; /* Nbr ticks to delay task or, timeout waiting for event */
396 =2 INT8U OSTCBStat; /* Task status */
397 =2 INT8U OSTCBPrio; /* Task priority (0 == highest, 63 == lowest) */
398 =2
399 =2 INT8U OSTCBX; /* Bit position in group corresponding to task priority (0..7) */
400 =2 INT8U OSTCBY; /* Index into ready table corresponding to task priority */
401 =2 INT8U OSTCBBitX; /* Bit mask to access bit position in ready table */
402 =2 INT8U OSTCBBitY; /* Bit mask to access bit position in ready group */
403 =2
404 =2 #if OS_TASK_DEL_EN > 0
=2 BOOLEAN OSTCBDelReq; /* Indicates whether a task needs to delete itself */
=2 #endif
407 =2 } OS_TCB;
408 =2
409 =2 /*
410 =2 *********************************************************************************************************
411 =2 * GLOBAL VARIABLES
412 =2 *********************************************************************************************************
413 =2 */
414 =2
415 =2 OS_EXT idata INT32U OSCtxSwCtr; /* Counter of number of context switches */
416 =2
417 =2 #if (OS_EVENT_EN > 0) && (OS_MAX_EVENTS > 0)
=2 OS_EXT OS_EVENT *OSEventFreeList; /* Pointer to list of free EVENT control blocks */
=2 OS_EXT OS_EVENT OSEventTbl[OS_MAX_EVENTS];/* Table of EVENT control blocks */
=2 #endif
421 =2
C51 COMPILER V8.08 SERIAL 08/06/2008 16:11:38 PAGE 17
422 =2 #if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
=2 OS_EXT OS_FLAG_GRP OSFlagTbl[OS_MAX_FLAGS]; /* Table containing event flag groups */
=2 OS_EXT OS_FLAG_GRP *OSFlagFreeList; /* Pointer to free list of event flag groups */
=2 #endif
426 =2
427 =2 #if OS_TASK_STAT_EN > 0
=2 OS_EXT INT8S OSCPUUsage; /* Percentage of CPU used */
=2 OS_EXT INT32U OSIdleCtrMax; /* Max. value that idle ctr can take in 1 sec. */
=2 OS_EXT INT32U OSIdleCtrRun; /* Val. reached by idle ctr at run time in 1 sec. */
=2 OS_EXT BOOLEAN OSStatRdy; /* Flag indicating that the statistic task is rdy */
=2 //OS_EXT OS_STK OSTaskStatStk[OS_TASK_STAT_STK_SIZE]; /* Statistics task stack *
-/
=2 #endif
434 =2
435 =2 OS_EXT idata INT8U OSIntNesting; /* Interrupt nesting level */
436 =2 OS_EXT idata INT8U OSIntExitY;
437 =2
438 =2 OS_EXT idata INT8U OSLockNesting; /* Multitasking lock nesting level */
439 =2
440 =2 OS_EXT idata INT8U OSPrioCur; /* Priority of current task */
441 =2 OS_EXT idata INT8U OSPrioHighRdy; /* Priority of highest priority task */
442 =2
443 =2 OS_EXT idata INT8U OSRdyGrp; /* Ready list group */
444 =2 OS_EXT INT8U OSRdyTbl[OS_RDY_TBL_SIZE]; /* Table of tasks which are ready to run */
445 =2
446 =2 OS_EXT idata BOOLEAN OSRunning; /* Flag indicating that kernel is running */
447 =2
448 =2 OS_EXT idata INT8U OSTaskCtr; /* Number of tasks created */
449 =2
450 =2 OS_EXT idata INT32U OSIdleCtr; /* Idle counter */
451 =2
452 =2 OS_EXT OS_STK OSTaskIdleStk[OS_TASK_IDLE_STK_SIZE]; /* Idle task stack */
453 =2
454 =2 /*
455 =2 原来的变量定义是：
456 =2 OS_EXT OS_TCB *OSTCBCur; // Pointer to currently running TCB
457 =2 OS_EXT OS_TCB *OSTCBHighRdy; // Pointer to highest priority TCB R-to-R
458 =2
459 =2 因为这2个变量调用频繁，放在idata中比xdata中访问快
460 =2 */
461 =2
462 =2 OS_EXT idata OS_TCB *OSTCBCur; /* Pointer to currently running TCB */
463 =2 OS_EXT OS_TCB *OSTCBFreeList; /* Pointer to list of free TCBs */
464 =2 OS_EXT idata OS_TCB *OSTCBHighRdy; /* Pointer to highest priority TCB R-to-R */
465 =2 OS_EXT OS_TCB *OSTCBList; /* Pointer to doubly linked list of TCBs */
466 =2 OS_EXT OS_TCB *OSTCBPrioTbl[OS_LOWEST_PRIO + 1];/* Table of pointers to created TCBs */
467 =2 OS_EXT OS_TCB OSTCBTbl[OS_MAX_TASKS + OS_N_SYS_TASKS]; /* Table of TCBs */
468 =2
469 =2 #if (OS_MEM_EN > 0) && (OS_MAX_MEM_PART > 0)
=2 OS_EXT OS_MEM *OSMemFreeList; /* Pointer to free list of memory partitions */
=2 OS_EXT OS_MEM OSMemTbl[OS_MAX_MEM_PART];/* Storage for memory partition manager */
=2 #endif
473 =2
474 =2 #if (OS_Q_EN > 0) && (OS_MAX_QS > 0)
=2 OS_EXT OS_Q *OSQFreeList; /* Pointer to list of free QUEUE control blocks */
=2 OS_EXT OS_Q OSQTbl[OS_MAX_QS]; /* Table of QUEUE control blocks */
=2 #endif
478 =2
479 =2 #if OS_TIME_GET_SET_EN > 0
480 =2 OS_EXT volatile INT32U OSTime; /* Current value of system time (in ticks) */
481 =2 #endif
482 =2
C51 COMPILER V8.08 SERIAL 08/06/2008 16:11:38 PAGE 18
483 =2 //#ifndef OS_GLOBALS
484 =2 extern INT8U code OSMapTbl[]; /* Priority->Bit Mask lookup table */
485 =2 extern INT8U code OSUnMapTbl[]; /* Priority->Index lookup table */
486 =2 //#endif
487 =2
488 =2 /*
489 =2 *********************************************************************************************************
490 =2 * FUNCTION PROTOTYPES
491 =2 * (Target Independent Functions)
492 =2 *********************************************************************************************************
493 =2 */
494 =2
495 =2 /*
496 =2 *********************************************************************************************************
497 =2 * EVENT FLAGS MANAGEMENT
498 =2 *********************************************************************************************************
499 =2 */
500 =2
501 =2 #if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
=2
=2 #if OS_FLAG_ACCEPT_EN > 0
=2 OS_FLAGS OSFlagAccept(OS_FLAG_GRP *pgrp, OS_FLAGS flags, INT8U wait_type, INT8U *err) reentrant;
=2 #endif
=2
=2 OS_FLAG_GRP *OSFlagCreate(OS_FLAGS flags, INT8U *err) reentrant;
=2
=2 #if OS_FLAG_DEL_EN > 0
=2 OS_FLAG_GRP *OSFlagDel(OS_FLAG_GRP *pgrp, INT8U opt, INT8U *err) reentrant;
=2 #endif
=2
=2 OS_FLAGS OSFlagPend(OS_FLAG_GRP *pgrp, OS_FLAGS flags, INT8U wait_type, INT16U timeout, INT8U *err) r
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