?? ucos_ii.h
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/*********************************************************************************************************** uC/OS-II* The Real-Time Kernel** (c) Copyright 1992-2001, Jean J. Labrosse, Weston, FL* All Rights Reserved** File : uCOS_II.H* By : Jean J. Labrosse**********************************************************************************************************//*********************************************************************************************************** MISCELLANEOUS**********************************************************************************************************/#include "os_cfg.h"#define OS_VERSION 251 /* Version of uC/OS-II (Vx.yy mult. by 100) */#ifdef OS_GLOBALS#define OS_EXT#else#define OS_EXT extern#endif#ifndef FALSE#define FALSE 0#endif#ifndef TRUE#define TRUE 1#endif#define OS_PRIO_SELF 0xFF /* Indicate SELF priority */#if OS_TASK_STAT_EN > 0#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#define OS_EVENT_EN (((OS_Q_EN > 0) && (OS_MAX_QS > 0)) || (OS_MBOX_EN > 0) || (OS_SEM_EN > 0) || (OS_MUTEX_EN > 0))/*$PAGE*/ /*********************************************************************************************************** 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_STAT_MUTEX 0x10 /* Pending on mutual exclusion semaphore */#define OS_STAT_FLAG 0x20 /* Pending on event flag group *//*********************************************************************************************************** OS_EVENT types**********************************************************************************************************/#define OS_EVENT_TYPE_UNUSED 0#define OS_EVENT_TYPE_MBOX 1#define OS_EVENT_TYPE_Q 2#define OS_EVENT_TYPE_SEM 3#define OS_EVENT_TYPE_MUTEX 4#define OS_EVENT_TYPE_FLAG 5/*********************************************************************************************************** EVENT FLAGS**********************************************************************************************************/#define OS_FLAG_WAIT_CLR_ALL 0 /* Wait for ALL the bits specified to be CLR (i.e. 0) */ #define OS_FLAG_WAIT_CLR_AND 0#define OS_FLAG_WAIT_CLR_ANY 1 /* Wait for ANY of the bits specified to be CLR (i.e. 0) */#define OS_FLAG_WAIT_CLR_OR 1#define OS_FLAG_WAIT_SET_ALL 2 /* Wait for ALL the bits specified to be SET (i.e. 1) */ #define OS_FLAG_WAIT_SET_AND 2#define OS_FLAG_WAIT_SET_ANY 3 /* Wait for ANY of the bits specified to be SET (i.e. 1) */#define OS_FLAG_WAIT_SET_OR 3#define OS_FLAG_CONSUME 0x80 /* Consume the flags if condition(s) satisfied */#define OS_FLAG_CLR 0#define OS_FLAG_SET 1/*********************************************************************************************************** Possible values for 'opt' argument of OSSemDel(), OSMboxDel(), OSQDel() and OSMutexDel()**********************************************************************************************************/#define OS_DEL_NO_PEND 0#define OS_DEL_ALWAYS 1/*********************************************************************************************************** OS???PostOpt() OPTIONS** These #defines are used to establish the options for OSMboxPostOpt() and OSQPostOpt().**********************************************************************************************************/#define OS_POST_OPT_NONE 0x00 /* Post to highest priority task waiting */#define OS_POST_OPT_BROADCAST 0x01 /* Broadcast message to ALL tasks waiting */ #define OS_POST_OPT_FRONT 0x02 /* Post to highest priority task waiting *//*********************************************************************************************************** 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 *//*********************************************************************************************************** ERROR CODES**********************************************************************************************************/#define OS_NO_ERR 0#define OS_ERR_EVENT_TYPE 1#define OS_ERR_PEND_ISR 2#define OS_ERR_POST_NULL_PTR 3#define OS_ERR_PEVENT_NULL 4#define OS_ERR_POST_ISR 5#define OS_ERR_QUERY_ISR 6#define OS_ERR_INVALID_OPT 7#define OS_ERR_TASK_WAITING 8#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_MEM_INVALID_PBLK 115#define OS_MEM_INVALID_PMEM 116#define OS_MEM_INVALID_PDATA 117#define OS_MEM_INVALID_ADDR 118#define OS_ERR_NOT_MUTEX_OWNER 120#define OS_TASK_OPT_ERR 130#define OS_ERR_DEL_ISR 140#define OS_ERR_CREATE_ISR 141#define OS_FLAG_INVALID_PGRP 150#define OS_FLAG_ERR_WAIT_TYPE 151#define OS_FLAG_ERR_NOT_RDY 152#define OS_FLAG_INVALID_OPT 153#define OS_FLAG_GRP_DEPLETED 154/*$PAGE*/ /*********************************************************************************************************** EVENT CONTROL BLOCK**********************************************************************************************************/#if (OS_EVENT_EN > 0) && (OS_MAX_EVENTS > 0)typedef struct { INT8U OSEventType; /* Type of event control block (see OS_EVENT_TYPE_???) */ INT8U OSEventGrp; /* Group corresponding to tasks waiting for event to occur */ INT16U OSEventCnt; /* Semaphore Count (not used if other EVENT type) */ void *OSEventPtr; /* Pointer to message or queue structure */ INT8U OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur */} OS_EVENT;#endif/*********************************************************************************************************** EVENT FLAGS CONTROL BLOCK**********************************************************************************************************/#if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)typedef struct { /* 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 */} OS_FLAG_GRP; typedef struct { /* 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/*********************************************************************************************************** MESSAGE MAILBOX DATA**********************************************************************************************************/#if OS_MBOX_EN > 0typedef 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 > 0) && (OS_MAX_MEM_PART > 0)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*/ /*********************************************************************************************************** MUTUAL EXCLUSION SEMAPHORE DATA**********************************************************************************************************/#if OS_MUTEX_EN > 0typedef struct { 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 */ 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 > 0typedef 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 { 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 > 0typedef 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 > 0typedef 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 > 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 */?? 快捷鍵說明
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