📄 ucos_ii.h
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/*
*********************************************************************************************************
* EVENT FLAGS CONTROL BLOCK
*********************************************************************************************************
*/
#if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
#if OS_FLAGS_NBITS == 8 /* Determine the size of OS_FLAGS (8, 16 or 32 bits) */
typedef INT8U OS_FLAGS;
#endif
#if OS_FLAGS_NBITS == 16
typedef INT16U OS_FLAGS;
#endif
#if OS_FLAGS_NBITS == 32
typedef INT32U OS_FLAGS;
#endif
typedef struct os_flag_grp { /* Event Flag Group */
INT8U OSFlagType; /* Should be set to OS_EVENT_TYPE_FLAG */
void *OSFlagWaitList; /* Pointer to first NODE of task waiting on event flag */
OS_FLAGS OSFlagFlags; /* 8, 16 or 32 bit flags */
#if OS_FLAG_NAME_SIZE > 1
INT8U OSFlagName[OS_FLAG_NAME_SIZE];
#endif
} OS_FLAG_GRP;
typedef struct os_flag_node { /* Event Flag Wait List Node */
void *OSFlagNodeNext; /* Pointer to next NODE in wait list */
void *OSFlagNodePrev; /* Pointer to previous NODE in wait list */
void *OSFlagNodeTCB; /* Pointer to TCB of waiting task */
void *OSFlagNodeFlagGrp; /* Pointer to Event Flag Group */
OS_FLAGS OSFlagNodeFlags; /* Event flag to wait on */
INT8U OSFlagNodeWaitType; /* Type of wait: */
/* OS_FLAG_WAIT_AND */
/* OS_FLAG_WAIT_ALL */
/* OS_FLAG_WAIT_OR */
/* OS_FLAG_WAIT_ANY */
} OS_FLAG_NODE;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* MESSAGE MAILBOX DATA
*********************************************************************************************************
*/
#if OS_MBOX_EN > 0
typedef struct os_mbox_data {
void *OSMsg; /* Pointer to message in mailbox */
#if OS_LOWEST_PRIO <= 63
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#else
INT16U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT16U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#endif
} OS_MBOX_DATA;
#endif
/*
*********************************************************************************************************
* MEMORY PARTITION DATA STRUCTURES
*********************************************************************************************************
*/
#if (OS_MEM_EN > 0) && (OS_MAX_MEM_PART > 0)
typedef struct os_mem { /* MEMORY CONTROL BLOCK */
void *OSMemAddr; /* Pointer to beginning of memory partition */
void *OSMemFreeList; /* Pointer to list of free memory blocks */
INT32U OSMemBlkSize; /* Size (in bytes) of each block of memory */
INT32U OSMemNBlks; /* Total number of blocks in this partition */
INT32U OSMemNFree; /* Number of memory blocks remaining in this partition */
#if OS_MEM_NAME_SIZE > 1
INT8U OSMemName[OS_MEM_NAME_SIZE]; /* Memory partition name */
#endif
} OS_MEM;
typedef struct os_mem_data {
void *OSAddr; /* Pointer to the beginning address of the memory partition */
void *OSFreeList; /* Pointer to the beginning of the free list of memory blocks */
INT32U OSBlkSize; /* Size (in bytes) of each memory block */
INT32U OSNBlks; /* Total number of blocks in the partition */
INT32U OSNFree; /* Number of memory blocks free */
INT32U OSNUsed; /* Number of memory blocks used */
} OS_MEM_DATA;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* MUTUAL EXCLUSION SEMAPHORE DATA
*********************************************************************************************************
*/
#if OS_MUTEX_EN > 0
typedef struct os_mutex_data {
#if OS_LOWEST_PRIO <= 63
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#else
INT16U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT16U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#endif
INT8U OSValue; /* Mutex value (0 = used, 1 = available) */
INT8U OSOwnerPrio; /* Mutex owner's task priority or 0xFF if no owner */
INT8U OSMutexPIP; /* Priority Inheritance Priority or 0xFF if no owner */
} OS_MUTEX_DATA;
#endif
/*
*********************************************************************************************************
* MESSAGE QUEUE DATA
*********************************************************************************************************
*/
#if OS_Q_EN > 0
typedef struct os_q { /* QUEUE CONTROL BLOCK */
struct os_q *OSQPtr; /* Link to next queue control block in list of free blocks */
void **OSQStart; /* Pointer to start of queue data */
void **OSQEnd; /* Pointer to end of queue data */
void **OSQIn; /* Pointer to where next message will be inserted in the Q */
void **OSQOut; /* Pointer to where next message will be extracted from the Q */
INT16U OSQSize; /* Size of queue (maximum number of entries) */
INT16U OSQEntries; /* Current number of entries in the queue */
} OS_Q;
typedef struct os_q_data {
void *OSMsg; /* Pointer to next message to be extracted from queue */
INT16U OSNMsgs; /* Number of messages in message queue */
INT16U OSQSize; /* Size of message queue */
#if OS_LOWEST_PRIO <= 63
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#else
INT16U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT16U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#endif
} OS_Q_DATA;
#endif
/*
*********************************************************************************************************
* SEMAPHORE DATA
*********************************************************************************************************
*/
#if OS_SEM_EN > 0
typedef struct os_sem_data {
INT16U OSCnt; /* Semaphore count */
#if OS_LOWEST_PRIO <= 63
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#else
INT16U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT16U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
#endif
} OS_SEM_DATA;
#endif
/*
*********************************************************************************************************
* TASK STACK DATA
*********************************************************************************************************
*/
#if OS_TASK_CREATE_EXT_EN > 0
typedef struct os_stk_data {
INT32U OSFree; /* Number of free bytes on the stack */
INT32U OSUsed; /* Number of bytes used on the stack */
} OS_STK_DATA;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* TASK CONTROL BLOCK
*********************************************************************************************************
*/
typedef struct os_tcb {
OS_STK *OSTCBStkPtr; /* Pointer to current top of stack */
#if OS_TASK_CREATE_EXT_EN > 0
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 number of stack elements) */
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_EVENT_EN
OS_EVENT *OSTCBEventPtr; /* Pointer to event control block */
#endif
#if ((OS_Q_EN > 0) && (OS_MAX_QS > 0)) || (OS_MBOX_EN > 0)
void *OSTCBMsg; /* Message received from OSMboxPost() or OSQPost() */
#endif
#if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
#if OS_TASK_DEL_EN > 0
OS_FLAG_NODE *OSTCBFlagNode; /* Pointer to event flag node */
#endif
OS_FLAGS OSTCBFlagsRdy; /* Event flags that made task ready to run */
#endif
INT16U OSTCBDly; /* Nbr ticks to delay task or, timeout waiting for event */
INT8U OSTCBStat; /* Task status */
BOOLEAN OSTCBPendTO; /* Flag indicating PEND timed out (OS_TRUE == timed out) */
INT8U OSTCBPrio; /* Task priority (0 == highest) */
INT8U OSTCBX; /* Bit position in group corresponding to task priority */
INT8U OSTCBY; /* Index into ready table corresponding to task priority */
#if OS_LOWEST_PRIO <= 63
INT8U OSTCBBitX; /* Bit mask to access bit position in ready table */
INT8U OSTCBBitY; /* Bit mask to access bit position in ready group */
#else
INT16U OSTCBBitX; /* Bit mask to access bit position in ready table */
INT16U OSTCBBitY; /* Bit mask to access bit position in ready group */
#endif
#if OS_TASK_DEL_EN > 0
INT8U OSTCBDelReq; /* Indicates whether a task needs to delete itself */
#endif
#if OS_TASK_PROFILE_EN > 0
INT32U OSTCBCtxSwCtr; /* Number of time the task was switched in */
INT32U OSTCBCyclesTot; /* Total number of clock cycles the task has been running */
INT32U OSTCBCyclesStart; /* Snapshot of cycle counter at start of task resumption */
OS_STK *OSTCBStkBase; /* Pointer to the beginning of the task stack */
INT32U OSTCBStkUsed; /* Number of bytes used from the stack */
#endif
#if OS_TASK_NAME_SIZE > 1
INT8U OSTCBTaskName[OS_TASK_NAME_SIZE];
#endif
} OS_TCB;
/*$PAGE*/
/*
************************************************************************************************************************
* TIMER DATA TYPES
************************************************************************************************************************
*/
#if OS_TMR_EN > 0
typedef void (*OS_TMR_CALLBACK)(void *ptmr, void *parg);
typedef struct os_tmr {
OS_TMR_CALLBACK OSTmrCallback; /* Function to call when timer expires */
void *OSTmrCallbackArg; /* Argument to pass to function when timer expires */
void *OSTmrNext; /* Double link list pointers */
void *OSTmrPrev;
INT32U OSTmrMatch; /* Timer expires when OSTmrTime == OSTmrMatch */
INT32U OSTmrDly; /* Delay time before periodic update starts */
INT32U OSTmrPeriod; /* Period to repeat timer */
#if OS_TMR_CFG_NAME_SIZE > 0
INT8U OSTmrName[OS_TMR_CFG_NAME_SIZE]; /* Name to give the timer */
#endif
INT8U OSTmrOpt; /* Options (see OS_TMR_OPT_???) */
BOOLEAN OSTmrActive; /* Indicates whether timer is active or not */
} OS_TMR;
typedef struct os_tmr_wheel {
OS_TMR *OSTmrFirst; /* Pointer to first timer in linked list */
INT16U OSTmrEntries;
} OS_TMR_WHEEL;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* GLOBAL VARIABLES
*********************************************************************************************************
*/
OS_EXT INT32U OSCtxSwCtr; /* Counter of number of context switches */
#if OS_EVENT_EN && (OS_MAX_EVENTS > 0)
OS_EXT OS_EVENT *OSEventFreeList; /* Pointer to list of free EVENT control blocks */
OS_EXT OS_EVENT OSEventTbl[OS_MAX_EVENTS];/* Table of EVENT control blocks */
#endif
#if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
OS_EXT OS_FLAG_GRP OSFlagTbl[OS_MAX_FLAGS]; /* Table containing event flag groups */
OS_EXT OS_FLAG_GRP *OSFlagFreeList; /* Pointer to free list of event flag groups */
#endif
#if OS_TASK_STAT_EN > 0
OS_EXT INT8S OSCPUUsage; /* Percentage of CPU used */
OS_EXT INT32U OSIdleCtrMax; /* Max. value that idle ctr can take in 1 sec. */
OS_EXT INT32U OSIdleCtrRun; /* Val. reached by idle ctr at run time in 1 sec. */
OS_EXT BOOLEAN OSStatRdy; /* Flag indicating that the statistic task is rdy */
OS_EXT OS_STK OSTaskStatStk[OS_TASK_STAT_STK_SIZE]; /* Statistics task stack */
#endif
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