uCOS-II的通信组件统一通过OS_EVENT管理

eric2013

事件类型：

[C] 纯文本查看 复制代码

/*
*********************************************************************************************************
*                                           OS_EVENT types
*********************************************************************************************************
*/
#define  OS_EVENT_TYPE_UNUSED           0u
#define  OS_EVENT_TYPE_MBOX             1u
#define  OS_EVENT_TYPE_Q                2u
#define  OS_EVENT_TYPE_SEM              3u
#define  OS_EVENT_TYPE_MUTEX            4u
#define  OS_EVENT_TYPE_FLAG             5u
 
#define  OS_TMR_TYPE                  100u  /* Used to identify Timers ...                             */
                                            /* ... (Must be different value than OS_EVENT_TYPE_xxx)    */

结构体：

[C] 纯文本查看 复制代码

/*
*********************************************************************************************************
*                                         EVENT CONTROL BLOCK
*********************************************************************************************************
*/
 
#if OS_LOWEST_PRIO <= 63u
typedef  INT8U    OS_PRIO;
#else
typedef  INT16U   OS_PRIO;
#endif
 
#if (OS_EVENT_EN) && (OS_MAX_EVENTS > 0u)
typedef struct os_event {
    INT8U    OSEventType;                   /* Type of event control block (see OS_EVENT_TYPE_xxxx)    */
    void    *OSEventPtr;                    /* Pointer to message or queue structure                   */
    INT16U   OSEventCnt;                    /* Semaphore Count (not used if other EVENT type)          */
    OS_PRIO  OSEventGrp;                    /* Group corresponding to tasks waiting for event to occur */
    OS_PRIO  OSEventTbl[OS_EVENT_TBL_SIZE]; /* List of tasks waiting for event to occur                */
 
#if OS_EVENT_NAME_EN > 0u
    INT8U   *OSEventName;
#endif
} OS_EVENT;
#endif

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