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CoOS Demonstrator adapted to mbed Hardware.
OsTask.h
- Committer:
- ericebert
- Date:
- 2010-12-03
- Revision:
- 0:57690853989a
File content as of revision 0:57690853989a:
/** ******************************************************************************* * @file OsTask.h * @version V1.1.3 * @date 2010.04.26 * @brief Header file related to task. * @details This file including some defines and function declare related to task. ******************************************************************************* * @copy * * INTERNAL FILE,DON'T PUBLIC. * * <h2><center>© COPYRIGHT 2009 CooCox </center></h2> ******************************************************************************* */ #ifndef _TASK_H #define _TASK_H #define SYS_TASK_NUM (1) /*!< System task number. */ /*---------------------------- Task Status -----------------------------------*/ #define TASK_READY 0 /*!< Ready status of task. */ #define TASK_RUNNING 1 /*!< Running status of task. */ #define TASK_WAITING 2 /*!< Waitting status of task. */ #define TASK_DORMANT 3 /*!< Dormant status of task. */ #define INVALID_ID (U8)0xff #define INVALID_VALUE (U32)0xffffffff #define MAGIC_WORD (U32)0x5a5aa5a5 /** * @struct TCB task.h * @brief Task control blcok. * @details This struct use to manage task. */ typedef struct TCB { OS_STK *stkPtr; /*!< The current point of task. */ U8 prio; /*!< Task priority. */ U8 state; /*!< TaSk status. */ OS_TID taskID; /*!< Task ID. */ #if CFG_MUTEX_EN > 0 OS_MutexID mutexID; /*!< Mutex ID. */ #endif #if CFG_EVENT_EN > 0 OS_EventID eventID; /*!< Event ID. */ #endif #if CFG_ROBIN_EN >0 U16 timeSlice; /*!< Task time slice */ #endif #if CFG_STK_CHECKOUT_EN >0 OS_STK *stack; /*!< The top point of task. */ #endif #if CFG_EVENT_EN > 0 void* pmail; /*!< Mail to task. */ struct TCB *waitNext; /*!< Point to next TCB in the Event waitting list.*/ struct TCB *waitPrev; /*!< Point to prev TCB in the Event waitting list.*/ #endif #if CFG_TASK_SCHEDULE_EN == 0 FUNCPtr taskFuc; OS_STK *taskStk; #endif #if CFG_FLAG_EN > 0 void* pnode; /*!< Pointer to node of event flag. */ #endif #if CFG_TASK_WAITTING_EN >0 U32 delayTick; /*!< The number of ticks which delay. */ #endif struct TCB *TCBnext; /*!< The pointer to next TCB. */ struct TCB *TCBprev; /*!< The pointer to prev TCB. */ }OSTCB,*P_OSTCB; /*---------------------------- Variable declare ------------------------------*/ // save tcb ptr that created extern P_OSTCB FreeTCB; /*!< A pointer to free TCB. */ extern OSTCB TCBTbl[CFG_MAX_USER_TASKS+SYS_TASK_NUM]; extern P_OSTCB TCBRdy; /*!< A pointer to TCB that is ready status */ extern P_OSTCB TCBNext; /*!< A pointer to TCB next be scheduled. */ extern P_OSTCB TCBRunning; /*!< A pointer to TCB that is running. */ extern U64 OSCheckTime; extern volatile U8 OSIntNesting; /*!< Use to indicate interrupt nesting level.*/ extern volatile U8 OSSchedLock; /*!< Schedule is lock(LOCK) or unlock(UN_LOCK).*/ extern volatile BOOL TaskSchedReq; extern OS_STK idle_stk[CFG_IDLE_STACK_SIZE]; void Schedule(void); /*!< Schedule function */ void IdleTask(void* pdata); /*!< IDLE task code */ void InsertToTCBRdyList (P_OSTCB tcbInser); void RemoveFromTCBRdyList(P_OSTCB ptcb); void CreateTCBList(void); #if CFG_ORDER_LIST_SCHEDULE_EN ==0 void ActiveTaskPri(U8 pri); void DeleteTaskPri(U8 pri); #endif #endif