add event-driven framework

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
2019-09-24 17:21:58 +08:00
parent 97be1b9e93
commit 9727512631
45 changed files with 16682 additions and 7 deletions
--- a/kernel/evtdrv/include/tos_evtdrv_timer.h
+++ b/kernel/evtdrv/include/tos_evtdrv_timer.h
@@ -0,0 +1,82 @@
+#ifndef _TOS_EVTDRV_TIMER_H_
+#define  _TOS_EVTDRV_TIMER_H_
+
+#define EVTDRV_TIME_MILLISEC_PER_SEC        (1000u)
+
+typedef enum evtdrv_timer_option_en {
+    EVTDRV_TIMER_OPT_ONESHOT,
+    EVTDRV_TIMER_OPT_PERIODIC,
+} evtdrv_timer_opt_t;
+
+typedef void (*evtdrv_timer_callback_t)(void *arg);
+
+typedef struct evtdrv_timer_st {
+    evtdrv_timer_callback_t     cb;
+    void                       *cb_arg;
+
+    k_list_t                    list;
+    evtdrv_tick_t               expires;
+    evtdrv_tick_t               period;
+
+    evtdrv_timer_opt_t          opt;
+} evtdrv_timer_t;
+
+typedef struct evtdrv_timer_control_st {
+    evtdrv_tick_t next_expires;
+    evtdrv_tick_t list;
+} evtdrv_timer_ctl_t;
+
+/**
+ * @brief Create a timer.
+ * Create a timer.
+ *
+ * @attention
+ *
+ * @param[in]   tmr         pointer to the handler of the timer.
+ * @param[in]   callback    callback function called when the timer expires.
+ * @param[in]   cb_arg      argument for the callback.
+ * @param[in]   opt         option for the function call.
+ *
+ * @return  errcode
+ * @retval  #EVTDRV_ERR_PTR_NULL    task_id is invalid.
+ * @retval  #EVTDRV_ERR_NONE        event_flags is not valid for user use.
+ */
+__API__ evtdrv_err_t tos_evtdrv_timer_create(evtdrv_timer_t *tmr,
+                                                                evtdrv_timer_callback_t callback,
+                                                                void *cb_arg,
+                                                                evtdrv_timer_opt_t opt);
+
+/**
+ * @brief Start a timer.
+ * Start the timer to run.
+ *
+ * @attention None
+ *
+ * @param[in]   tmr         pointer to the handler of the timer.
+ *
+ * @return  errcode
+ * @retval  #EVTDRV_ERR_PTR_NULL                tmr is a NULL pointer.
+ * @retval  #EVTDRV_ERR_TIMER_ALREADY_EXIST     tmr is already exist.
+ * @retval  #EVTDRV_ERR_NONE                    return successfully.
+ */
+__API__ evtdrv_err_t tos_evtdrv_timer_start(evtdrv_timer_t *tmr, evtdrv_tick_t timeout);
+
+/**
+ * @brief Stop a timer.
+ * Stop the timer from running.
+ *
+ * @attention None
+ *
+ * @param[in]   tmr         pointer to the handler of the timer.
+ *
+ * @return  errcode
+ * @retval  #EVTDRV_ERR_PTR_NULL          tmr is a NULL pointer.
+ * @retval  #EVTDRV_ERR_TIMER_INACTIVE    the timer is not active yet.
+ * @retval  #EVTDRV_ERR_NONE              return successfully.
+ */
+__API__ evtdrv_err_t tos_evtdrv_timer_stop(evtdrv_timer_t *tmr);
+
+__KERNEL__ void evtdrv_timer_update(void);
+
+#endif /* _TOS_EVTDRV_TIMER_H_ */
+