📄 mycore.c
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* USER BUFFER CONTROL BLOCK
*********************************************************************************************************/
#if OS_TASK_BUF_EN
typedef struct os_bufcb {
INT8U *OSBUFPtr;
struct os_bufcb *OSBUFCBNext;
}OS_BUFCB;
#endif
/*********************************************************************************************************
* TASK CONTROL BLOCK
*********************************************************************************************************/
typedef struct os_tcb {
OS_STK *OSTCBStkPtr; /* Pointer to current top of stack */
#if OS_TASK_CREATE_EXT_EN
void *OSTCBExtPtr; /* Pointer to user definable data for TCB extension */
OS_STK *OSTCBStkBottom; /* Pointer to bottom of stack */
INT32U OSTCBStkSize; /* Size of task stack (in bytes) */
INT16U OSTCBOpt; /* Task options as passed by OSTaskCreateExt() */
INT16U OSTCBId; /* Task ID (0..65535) */
#endif
struct os_tcb *OSTCBNext; /* Pointer to next TCB in the TCB list */
struct os_tcb *OSTCBPrev; /* Pointer to previous TCB in the TCB list */
#if (OS_Q_EN && (OS_MAX_QS >= 2)) || OS_MBOX_EN || OS_Sem_EN
OS_EVENT *OSTCBEventPtr; /* Pointer to event control block */
#endif
#if (OS_Q_EN && (OS_MAX_QS >= 2)) || OS_MBOX_EN
void *OSTCBMsg; /* Message received from OSMboxPost() or OSQPost() */
#endif
INT16U OSTCBDly; /* Nbr ticks to delay task or, timeout waiting for event */
INT8U OSTCBStat; /* Task status */
INT8U OSTCBPrio; /* Task priority (0 == highest, 63 == lowest) */
INT8U OSTCBX; /* Bit position in group corresponding to task priority (0..7) */
INT8U OSTCBY; /* Index into ready table corresponding to task priority */
INT8U OSTCBBitX; /* Bit mask to access bit position in ready table */
INT8U OSTCBBitY; /* Bit mask to access bit position in ready group */
#if OS_TASK_DEL_EN
BOOLEAN OSTCBDelReq; /* Indicates whether a task needs to delete itself */
#endif
}OS_TCB;
/*********************************************************************************************************
*
*
*
* GLOBAL VARIABLES
*
*
*
*********************************************************************************************************/
INT32U OSCtxSwCtr; /* Counter of number of context switches */
#if (OS_MAX_EVENTS >= 2)
OS_EVENT *OSEventFreeList; /* Pointer to list of free EVENT control blocks */
OS_EVENT OSEventTbl[OS_MAX_EVENTS];/* Table of EVENT control blocks */
#endif
INT32U OSIdleCtr; /* Idle counter */
#if OS_TASK_STAT_EN
INT8S OSCPUUsage; /* Percentage of CPU used */
INT32U OSIdleCtrMax; /* Maximum value that idle counter can take in 1 sec. */
INT32U OSIdleCtrRun; /* Value reached by idle counter at run time in 1 sec. */
BOOLEAN OSStatRdy; /* Flag indicating that the statistic task is ready */
#endif
INT8U data OSIntNesting; /* Interrupt nesting level */
INT8U OSLockNesting; /* Multitasking lock nesting level */
INT8U idata OSPrioCur; /* Priority of current task */
INT8U idata OSPrioHighRdy; /* Priority of highest priority task */
INT8U OSRdyGrp; /* Ready list group */
INT8U OSRdyTbl[OS_RDY_TBL_SIZE]; /* Table of tasks which are ready to run */
BOOLEAN idata OSRunning; /* Flag indicating that kernel is running */
#if OS_TASK_CREATE_EN || OS_TASK_CREATE_EXT_EN || OS_TASK_DEL_EN
INT8U OSTaskCtr; /* Number of tasks created */
#endif
OS_TCB * idata OSTCBCur; /* Pointer to currently running TCB */
OS_TCB * idata OSTCBHighRdy; /* Pointer to highest priority TCB ready to run */
#if OS_TASK_BUF_EN
OS_BUFCB *OSBUFFreeList;
OS_BUFCB *OSBUFFullList;
#endif
OS_STKCB *OSTKCBFreeList; /* Pointer to list of free STCKCB */
OS_TCB *OSTCBFreeList; /* Pointer to list of free TCBs */
OS_TCB *OSTCBList; /* Pointer to doubly linked list of TCBs */
OS_TCB *OSTCBPrioTbl[OS_LOWEST_PRIO + 1];/* Table of pointers to created TCBs */
INT32U OSTime; /* Current value of system time (in ticks) */
/***********************************系统资源和数据***************************************************/
static INT8U OSIntExitY;
#if OS_TASK_BUF_EN
static INT8U OS_TASK_BUF[OS_TASK_BUF_NO][OS_TASK_BUF_SIZE];
static OS_BUFCB OSBUFCBTbl[OS_TASK_BUF_NO];
#endif
static OS_STK OSTaskIdleStk[OS_TASK_IDLE_STK_SIZE];
#if OS_TASK_STAT_EN
static OS_STK OSTaskStatStk[OS_TASK_STAT_STK_SIZE];
#endif
static OS_STKCB OSTKCBTbl[OS_MAX_TASKS];
static OS_STK OSTaskStk[OS_MAX_TASKS][OS_STK_SIZE]; //[6][64]
static OS_TCB OSTCBTbl[OS_LOWEST_PRIO-1];
/*********************************************************************************************************
* FUNCTION PROTOTYPES
* (Target Independant Functions)
*********************************************************************************************************/
/*********************************************************************************************************
* MESSAGE MAILBOX MANAGEMENT
*********************************************************************************************************/
#if OS_MBOX_EN
void *OSMboxAccept(OS_EVENT *pevent)reentrant;
OS_EVENT *OSMboxCreate(void *msg)reentrant;
void *OSMboxPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U OSMboxPost(OS_EVENT *pevent, void *msg)reentrant;
INT8U OSMboxQuery(OS_EVENT *pevent, OS_MBOX_DATA *dataptr)reentrant;
#endif
/*********************************************************************************************************
* MEMORY MANAGEMENT
*********************************************************************************************************/
#if OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
OS_MEM *OSMemCreate(void *addr, INT32U nblks, INT32U blksize, INT8U *err)reentrant;
void *OSMemGet(OS_MEM *pmem, INT8U *err)reentrant;
INT8U OSMemPut(OS_MEM *pmem, void *pblk)reentrant;
INT8U OSMemQuery(OS_MEM *pmem, OS_MEM_DATA *dataptr)reentrant;
#endif
/*********************************************************************************************************
* MESSAGE QUEUE MANAGEMENT
*********************************************************************************************************/
#if OS_Q_EN && (OS_MAX_QS >= 2)
void *OSQAccept(OS_EVENT *pevent)reentrant;
OS_EVENT *OSQCreate(void **start, INT16U size)reentrant;
INT8U OSQFlush(OS_EVENT *pevent)reentrant;
void *OSQPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U OSQPost(OS_EVENT *pevent, void *msg)reentrant;
INT8U OSQPostFront(OS_EVENT *pevent, void *msg)reentrant;
INT8U OSQQuery(OS_EVENT *pevent, OS_Q_DATA *dataptr)reentrant;
#endif
/*********************************************************************************************************
* SEMAPHORE MANAGEMENT
*********************************************************************************************************/
#if OS_Sem_EN
INT16U OSSemAccept(OS_EVENT *pevent)reentrant;
OS_EVENT *OSSemCreate(INT16U value)reentrant;
void OSSemPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U OSSemPost(OS_EVENT *pevent)reentrant;
INT8U OSSemQuery(OS_EVENT *pevent, OS_SEM_DATA *dataptr)reentrant;
#endif
/********************************************************************************************************
* TASK MANAGEMENT
*********************************************************************************************************/
#if OS_TASK_CHANGE_PRIO_EN
INT8U OSTaskChangePrio(INT8U oldprio, INT8U newprio)reentrant;
#endif
INT8U OSTaskIdleCreate(void *dataptr);
#if OS_TASK_STAT_EN
INT8U OSTaskStatCreate(void *dataptr);
#endif
INT8U OSTaskCreate(void (*task)(void *pd)reentrant, void *dataptr,INT8U prio)reentrant;
/*本人去掉堆栈指针参数由系统分配*/
#if OS_TASK_CREATE_EXT_EN
INT8U OSTaskCreateExt(void (*task)(void *pd)reentrant,
void *dataptr,
OS_STK *ptos,
INT8U prio,
INT16U id,
OS_STK *pbos,
INT32U stk_size,
void *pext,
INT16U opt)reentrant;
#endif
#if OS_TASK_DEL_EN
INT8U OSTaskDel(INT8U prio)reentrant;
INT8U OSTaskDelReq(INT8U prio)reentrant;
#endif
#if OS_TASK_SUSPEND_EN
INT8U OSTaskResume(INT8U prio)reentrant;
INT8U OSTaskSuspend(INT8U prio)reentrant;
#endif
#if OS_TASK_CREATE_EXT_EN
INT8U OSTaskStkChk(INT8U prio, OS_STK_DATA *dataptr)reentrant;
#endif
#if OS_Task_Query_EN
INT8U OSTaskQuery(INT8U prio, OS_TCB *dataptr)reentrant;
#endif
/*********************************************************************************************************
* TIME MANAGEMENT
*********************************************************************************************************/
#if OS_Time_Dly_EN
void OSTimeDly(INT16U ticks)reentrant;
#endif
#if OS_Time_DlyHMSM_EN
INT8U OSTimeDlyHMSM(INT8U hours, INT8U minutes, INT8U seconds, INT16U milli)reentrant;
#endif
#if OS_Time_DlyResume_EN
INT8U OSTimeDlyResume(INT8U prio)reentrant;
#endif
#if OS_Time_Get_EN
INT32U OSTimeGet(void)reentrant;
#endif
#if OS_Time_Set_EN
void OSTimeSet(INT32U ticks)reentrant;
#endif
void OSTimeTick(void);
/*********************************************************************************************************
* MISCELLANEOUS
*********************************************************************************************************/
void OSInit(void);
void OSStart(void);
void OSIntEnter(void);
void OSIntExit(void);
#if OSSCHED_LOCK_EN
void OSSchedLock(void)reentrant;
void OSSchedUnlock(void)reentrant;
#endif
#if OS_VERSION_CHK_EN
INT16U OSVersion(void)reentrant;
#endif
/*********************************************************************************************************
* INTERNAL FUNCTION PROTOTYPES
* (Your application MUST NOT call these functions)
*********************************************************************************************************/
#if OS_MBOX_EN || OS_Q_EN || OS_Sem_EN
void OSEventTaskRdy(OS_EVENT *pevent, void *msg, INT8U msk)reentrant;
void OSEventTaskWait(OS_EVENT *pevent)reentrant;
void OSEventTO(OS_EVENT *pevent)reentrant;
void OSEventWaitListInit(OS_EVENT *pevent)reentrant;
#endif
#if OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
void OSMemInit(void)reentrant;
#endif
#if OS_Q_EN
void OSQInit(void)reentrant;
#endif
void OSSched(void)reentrant;
void OSTaskIdle(void *dataptr)reentrant;
#if OS_TASK_STAT_EN
void OSTaskStat(void *dataptr)reentrant;
void OSStatInit(void)reentrant;
#endif
INT8U OSTCBInit(INT8U prio,
OS_STK *ptos,
OS_STK *pbos,
INT16U id,
INT16U stk_size,
void *pext,
INT16U opt)reentrant;
OS_STK *OStkAsk(void)reentrant;
OS_STK *OSTaskStkInit(void (*task)(void *pd)reentrant,
void *dataptr,
OS_STK *ptos,
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