OsMutex.h

00001 /**
00002  *******************************************************************************
00003  * @file       OsMutex.h    
00004  * @version    V1.1.3    
00005  * @date       2010.04.26
00006  * @brief      Mutex management header file
00007  * @details    This file including some defines and declare related to mutex
00008  *             management.
00009  *******************************************************************************
00010  * @copy
00011  *
00012  * INTERNAL FILE,DON'T PUBLIC.
00013  * 
00014  * <h2><center>&copy; COPYRIGHT 2009 CooCox </center></h2>
00015  *******************************************************************************
00016  */ 
00017 
00018 
00019 #ifndef _MUTEX_H
00020 #define _MUTEX_H
00021 
00022 #include <coocox.h>
00023 
00024 #if CFG_MUTEX_EN > 0
00025 
00026 /*---------------------------- Resource status -------------------------------*/
00027 #define   MUTEX_FREE        0           /*!< Mutex is free                    */
00028 #define   MUTEX_OCCUPY      1           /*!< Mutex is occupy                  */
00029 #define   WAITING_MUTEX     0x80
00030 
00031 /**
00032  * @struct   Mutex  mutex.h     
00033  * @brief    Mutex control block
00034  * @details  This struct is use to mutex management.    
00035  */
00036 typedef struct Mutex
00037 {
00038     U8       originalPrio ;              /*!< Mutex priority.                  */
00039     U8       mutexFlag ;                 /*!< Mutex flag.                      */
00040     OS_TID   taskID ;                    /*!< Task ID.                         */    
00041     OS_TID   hipriTaskID ;               /*!< Mutex ID.                        */
00042     P_OSTCB  waittingList ;              /*!< waitting the Mutex.              */
00043 }MUTEX,*P_MUTEX;
00044 
00045 
00046 /*---------------------------- Variable declare ------------------------------*/
00047 /*!< Table use to save mutex control block.                                   */
00048 extern MUTEX      MutexTbl [CFG_MAX_MUTEX];
00049 extern OS_MutexID MutexFreeID ;      /*!< A pointer to next vliad resource ID. */
00050 
00051 
00052 /*---------------------------- Function declare ------------------------------*/
00053 extern void   RemoveMutexList(P_OSTCB ptcb);
00054 
00055 #endif    /* CFG_MUTEX_EN  */
00056 
00057 #endif    /* _MUTEX_H      */