?? ucos_ii.h
字號(hào):
/*
*********************************************************************************************************
* uC/OS-II
* The Real-Time Kernel
*
* (c) Copyright 1992-1998, Jean J. Labrosse, Plantation, FL
* All Rights Reserved
*
* V2.00
*
* File : uCOS_II.H
* By : Jean J. Labrosse
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* MISCELLANEOUS
*********************************************************************************************************
*/
#define OS_VERSION 200 /* Version of uC/OS-II (Vx.yy multiplied by 100) */
#ifdef OS_GLOBALS
#define OS_EXT
#else
#define OS_EXT extern
#endif
#define OS_PRIO_SELF 0xFF /* Indicate SELF priority */
#if OS_TASK_STAT_EN
#define OS_N_SYS_TASKS 2 /* Number of system tasks */
#else
#define OS_N_SYS_TASKS 1
#endif
#define OS_STAT_PRIO (OS_LOWEST_PRIO - 1) /* Statistic task priority */
#define OS_IDLE_PRIO (OS_LOWEST_PRIO) /* IDLE task priority */
#define OS_EVENT_TBL_SIZE ((OS_LOWEST_PRIO) / 8 + 1) /* Size of event table */
#define OS_RDY_TBL_SIZE ((OS_LOWEST_PRIO) / 8 + 1) /* Size of ready table */
#define OS_TASK_IDLE_ID 65535 /* I.D. numbers for Idle and Stat tasks */
#define OS_TASK_STAT_ID 65534
/* TASK STATUS (Bit definition for OSTCBStat) */
#define OS_STAT_RDY 0x00 /* Ready to run */
#define OS_STAT_SEM 0x01 /* Pending on semaphore */
#define OS_STAT_MBOX 0x02 /* Pending on mailbox */
#define OS_STAT_Q 0x04 /* Pending on queue */
#define OS_STAT_SUSPEND 0x08 /* Task is suspended */
#define OS_EVENT_TYPE_MBOX 1
#define OS_EVENT_TYPE_Q 2
#define OS_EVENT_TYPE_SEM 3
/* TASK OPTIONS (see OSTaskCreateExt()) */
#define OS_TASK_OPT_STK_CHK 0x0001 /* Enable stack checking for the task */
#define OS_TASK_OPT_STK_CLR 0x0002 /* Clear the stack when the task is create */
#define OS_TASK_OPT_SAVE_FP 0x0004 /* Save the contents of any floating-point registers */
#ifndef FALSE
#define FALSE 0
#endif
#ifndef TRUE
#define TRUE 1
#endif
/*
*********************************************************************************************************
* ERROR CODES
*********************************************************************************************************
*/
#define OS_NO_ERR 0
#define OS_ERR_EVENT_TYPE 1
#define OS_ERR_PEND_ISR 2
#define OS_TIMEOUT 10
#define OS_TASK_NOT_EXIST 11
#define OS_MBOX_FULL 20
#define OS_Q_FULL 30
#define OS_PRIO_EXIST 40
#define OS_PRIO_ERR 41
#define OS_PRIO_INVALID 42
#define OS_SEM_OVF 50
#define OS_TASK_DEL_ERR 60
#define OS_TASK_DEL_IDLE 61
#define OS_TASK_DEL_REQ 62
#define OS_TASK_DEL_ISR 63
#define OS_NO_MORE_TCB 70
#define OS_TIME_NOT_DLY 80
#define OS_TIME_INVALID_MINUTES 81
#define OS_TIME_INVALID_SECONDS 82
#define OS_TIME_INVALID_MILLI 83
#define OS_TIME_ZERO_DLY 84
#define OS_TASK_SUSPEND_PRIO 90
#define OS_TASK_SUSPEND_IDLE 91
#define OS_TASK_RESUME_PRIO 100
#define OS_TASK_NOT_SUSPENDED 101
#define OS_MEM_INVALID_PART 110
#define OS_MEM_INVALID_BLKS 111
#define OS_MEM_INVALID_SIZE 112
#define OS_MEM_NO_FREE_BLKS 113
#define OS_MEM_FULL 114
#define OS_TASK_OPT_ERR 130
/*$PAGE*/
/*
*********************************************************************************************************
* EVENT CONTROL BLOCK
*********************************************************************************************************
*/
#if (OS_MAX_EVENTS >= 2)
typedef struct {
void *OSEventPtr; /* Pointer to message or queue structure */
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT16U OSEventCnt; /* Count of used when event is a semaphore */
INT8U OSEventType; /* OS_EVENT_TYPE_MBOX, OS_EVENT_TYPE_Q or OS_EVENT_TYPE_SEM */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
} OS_EVENT;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* MESSAGE MAILBOX DATA
*********************************************************************************************************
*/
#if OS_MBOX_EN
typedef struct {
void *OSMsg; /* Pointer to message in mailbox */
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 */
} OS_MBOX_DATA;
#endif
/*
*********************************************************************************************************
* MEMORY PARTITION DATA STRUCTURES
*********************************************************************************************************
*/
#if OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
typedef struct { /* 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 */
} OS_MEM;
typedef struct {
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
/*$PAGE*/
/*
*********************************************************************************************************
* MESSAGE QUEUE DATA
*********************************************************************************************************
*/
#if OS_Q_EN
typedef struct {
void *OSMsg; /* Pointer to next message to be extracted from queue */
INT16U OSNMsgs; /* Number of messages in message queue */
INT16U OSQSize; /* Size of message queue */
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
} OS_Q_DATA;
#endif
/*
*********************************************************************************************************
* SEMAPHORE DATA
*********************************************************************************************************
*/
#if OS_Sem_EN
typedef struct {
INT16U OSCnt; /* Semaphore count */
INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */
INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */
} OS_SEM_DATA;
#endif
/*
*********************************************************************************************************
* TASK STACK DATA
*********************************************************************************************************
*/
#if OS_TASK_CREATE_EXT_EN
typedef struct {
INT32U OSFree; /* Number of free bytes on the stack */
INT32U OSUsed; /* Number of bytes used on the stack */
} OS_STK_DATA;
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* TASK CONTROL BLOCK
*********************************************************************************************************
*/
typedef struct os_tcb {
OS_STK * OSTCBStkPtr; /* Pointer to current top of stack */
#if OS_TASK_CREATE_EXT_EN
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) */
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