9727512631
see examples/event_driven_at_module and examples/event_driven_hello_world, demo project: TencentOS-tiny\board\TencentOS_tiny_EVB_MX\KEIL\event_driven_hello_world
72 lines
2.3 KiB
C
72 lines
2.3 KiB
C
#ifndef _TOS_EVTDRV_EVENT_H_
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#define _TOS_EVTDRV_EVENT_H_
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#if TOS_CFG_EVENT_DRIVEN_EN > 0u
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typedef uint16_t evtdrv_event_flag_t;
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typedef uint16_t evtdrv_event_nesting_t;
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#define EVTDRV_SYS_EVENT_MASK (evtdrv_event_flag_t)(0x3 << (sizeof(evtdrv_event_flag_t) * 8 - 2))
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#define EVTDRV_USR_EVENT_MASK (evtdrv_event_flag_t)(~(EVTDRV_SYS_EVENT_MASK))
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/* highest two bits are reserved for system event
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0x8000 init all tasks
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0x4000 msg received
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*/
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#define TOS_EVTDRV_EVENT_NONE (evtdrv_event_flag_t)0x0u
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#define TOS_EVTDRV_SYS_EVENT_INIT (evtdrv_event_flag_t)(0x2 << (sizeof(evtdrv_event_flag_t) * 8 - 2))
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#define TOS_EVTDRV_SYS_EVENT_MSG (evtdrv_event_flag_t)(0x1 << (sizeof(evtdrv_event_flag_t) * 8 - 2))
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typedef struct evtdrv_event_st {
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evtdrv_event_flag_t flags;
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evtdrv_event_nesting_t nesting[sizeof(evtdrv_event_flag_t) * 8];
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} evtdrv_event_t;
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/**
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* @brief Set event to the target task.
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* Set event to the target task, next time the target task is "scheduled", the task will handle the event.
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*
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* @attention None
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*
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* @param[in] task_id id of the target task.
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* @param[in] event_flags the event flags set to the task
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*
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* @return errcode
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* @retval #EVTDRV_ERR_TASK_INVALID task id is invalid.
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* @retval #EVTDRV_ERR_NONE return successfully.
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*/
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__API__ evtdrv_err_t tos_evtdrv_event_set(evtdrv_task_id_t task_id, evtdrv_event_flag_t event_flags);
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/**
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* @brief Reset the event of the target task.
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*
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* @attention None
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*
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* @param[in] task_id id of the target task.
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* @param[in] event_flags the event flags reset of the task
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*
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* @return errcode
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* @retval #EVTDRV_ERR_TASK_INVALID task id is invalid.
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* @retval #EVTDRV_ERR_NONE return successfully.
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*/
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__API__ evtdrv_err_t tos_evtdrv_event_reset(evtdrv_task_id_t task_id, evtdrv_event_flag_t event_flags);
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__KERNEL__ evtdrv_err_t evtdrv_event_init(void);
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__KERNEL__ evtdrv_event_flag_t evtdrv_event_fetch(evtdrv_task_id_t *task_id);
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__STATIC_INLINE__ evtdrv_bool_t evtdrv_event_is_usr(evtdrv_event_flag_t event_flag)
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{
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return event_flag & EVTDRV_USR_EVENT_MASK;
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}
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__STATIC_INLINE__ evtdrv_bool_t evtdrv_event_is_sys(evtdrv_event_flag_t event_flag)
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{
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return event_flag & EVTDRV_SYS_EVENT_MASK;
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}
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#endif /* TOS_CFG_EVENT_DRIVEN_EN */
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#endif /* _TOS_EVTDRV_EVENT_H_ */
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