Merge pull request #2463 from EvalZero/master

[components][drivers][workqueue] add system default workqueue and delayed work.

components/drivers/Kconfig

@@ -8,6 +8,20 @@ if RT_USING_DEVICE_IPC
     config RT_PIPE_BUFSZ
         int "Set pipe buffer size"
         default 512
+    
+    config RT_USING_SYSTEM_WORKQUEUE
+    	bool "Using system default workqueue
+    	default n
+
+    if RT_USING_SYSTEM_WORKQUEUE
+    	config RT_SYSTEM_WORKQUEUE_STACKSIZE
+    		int "The stack size for system workqueue thread"
+    		default 512
+
+   	 config RT_SYSTEM_WORKQUEUE_PRIORITY
+    		int "The priority level of system workqueue thread"
+    		default "23
+    endif
 endif
 
 config RT_USING_SERIAL

components/drivers/include/ipc/workqueue.h

@@ -11,13 +11,26 @@
 
 #include <rtthread.h>
 
+enum
+{
+    RT_WORK_STATE_PENDING,  /* Work item pending state */
+};
+
+/**
+ * work type defitions
+ */
+enum
+{
+    RT_WORK_TYPE_DELAYED,
+};
+
 /* workqueue implementation */
 struct rt_workqueue
 {
     rt_list_t      work_list;
     struct rt_work *work_current; /* current work */
 
-    struct rt_semaphore sem; 
+    struct rt_semaphore sem;
     rt_thread_t    work_thread;
 };
 
@@ -25,27 +38,46 @@ struct rt_work
 {
     rt_list_t list;
 
-    void (*work_func)(struct rt_work* work, void* work_data);
+    void (*work_func)(struct rt_work *work, void *work_data);
     void *work_data;
+    rt_uint16_t flags;
+    rt_uint16_t type;
+};
+
+struct rt_delayed_work
+{
+    struct rt_work work;
+    struct rt_timer timer;
+    struct rt_workqueue *workqueue;
 };
 
 #ifdef RT_USING_HEAP
 /**
  * WorkQueue for DeviceDriver
  */
-struct rt_workqueue *rt_workqueue_create(const char* name, rt_uint16_t stack_size, rt_uint8_t priority);
-rt_err_t rt_workqueue_destroy(struct rt_workqueue* queue);
-rt_err_t rt_workqueue_dowork(struct rt_workqueue* queue, struct rt_work* work);
-rt_err_t rt_workqueue_cancel_work(struct rt_workqueue* queue, struct rt_work* work);
-rt_err_t rt_workqueue_cancel_work_sync(struct rt_workqueue* queue, struct rt_work* work);
+struct rt_workqueue *rt_workqueue_create(const char *name, rt_uint16_t stack_size, rt_uint8_t priority);
+rt_err_t rt_workqueue_destroy(struct rt_workqueue *queue);
+rt_err_t rt_workqueue_dowork(struct rt_workqueue *queue, struct rt_work *work);
+rt_err_t rt_workqueue_submit_work(struct rt_workqueue *queue, struct rt_work *work, rt_tick_t time);
+rt_err_t rt_workqueue_cancel_work(struct rt_workqueue *queue, struct rt_work *work);
+rt_err_t rt_workqueue_cancel_work_sync(struct rt_workqueue *queue, struct rt_work *work);
 
-rt_inline void rt_work_init(struct rt_work* work, void (*work_func)(struct rt_work* work, void* work_data),
-    void* work_data)
+#ifdef RT_USING_SYSTEM_WORKQUEUE
+rt_err_t rt_work_submit(struct rt_work *work, rt_tick_t time);
+rt_err_t rt_work_cancel(struct rt_work *work);
+#endif
+
+rt_inline void rt_work_init(struct rt_work *work, void (*work_func)(struct rt_work *work, void *work_data),
+                            void *work_data)
 {
     rt_list_init(&(work->list));
     work->work_func = work_func;
     work->work_data = work_data;
 }
+
+void rt_delayed_work_init(struct rt_delayed_work *work, void (*work_func)(struct rt_work *work,
+                          void *work_data), void *work_data);
+
 #endif
 
 #endif