fix extra space

Author: ousugo

components/drivers/src/dataqueue.c

@@ -22,16 +22,16 @@ struct rt_data_item
 };
 
 /**
- * @brief This function will initialize a data queue.Calling this function will 
+ * @brief This function will initialize a data queue.Calling this function will
  * initialize the data queue control block and set the notification callback function.
- * 
+ *
  * @param queue The data queue object
  * @param size The maximum number of data in the data queue
  * @param lwm  Low water mark, when the number of data in the data queue is less than this value,
  * will wake up the thread waiting for write data.
  * @param evt_notify The notification callback function
- * 
- * @return the operation status, RT_EOK on successful, 
+ *
+ * @return the operation status, RT_EOK on successful,
  * RT_ENOMEM on insufficient memory allocation failed.
  */
 rt_err_t
@@ -45,7 +45,7 @@ rt_data_queue_init(struct rt_data_queue *queue,
 
     queue->evt_notify = evt_notify;
 
-    queue->magic = DATAQUEUE_MAGIC; 
+    queue->magic = DATAQUEUE_MAGIC;
     queue->size = size;
     queue->lwm = lwm;
 
@@ -70,13 +70,13 @@ RTM_EXPORT(rt_data_queue_init);
 /**
  * @brief This function will write data to the data queue. If the data queue is full,
  * the thread will suspend for the specified amount of time.
- * 
+ *
  * @param queue The data queue object
  * @param data_ptr The buffer pointer of the data to be written
  * @param size The size in bytes of the data to be written
  * @param timeout The waiting time
- * 
- * @return  the operation status, RT_EOK on successful 
+ *
+ * @return  the operation status, RT_EOK on successful
  */
 rt_err_t rt_data_queue_push(struct rt_data_queue *queue,
                             const void *data_ptr,
@@ -180,15 +180,15 @@ RTM_EXPORT(rt_data_queue_push);
 /**
  * @brief This function will pop data from the data queue. If the data queue is empty,
  * the thread will suspend for the specified amount of time.
- * 
+ *
  * @attention when the number of data in the data queue is less than lwm(low water mark),
  * will wake up the thread waiting for write data.
- * 
+ *
  * @param queue The data queue object
  * @param data_ptr The buffer pointer of the data to be fetched
  * @param size The size in bytes of the data to be fetched
  * @param timeout The waiting time
- * 
+ *
  * @return Operation status, RT_EOK on successful, RT_ETIMEOUT on timeout.
  */
 rt_err_t rt_data_queue_pop(struct rt_data_queue *queue,
@@ -304,12 +304,12 @@ RTM_EXPORT(rt_data_queue_pop);
 
 /**
  * @brief This function will fetching but retaining data in the data queue.
- * 
+ *
  * @param queue The data queue object
  * @param data_ptr The buffer pointer of the data to be fetched
  * @param size The size in bytes of the data to be fetched
- * 
- * @return The operation status, RT_EOK on successful 
+ *
+ * @return The operation status, RT_EOK on successful
  */
 rt_err_t rt_data_queue_peek(struct rt_data_queue *queue,
                             const void** data_ptr,
@@ -339,7 +339,7 @@ RTM_EXPORT(rt_data_queue_peek);
 /**
  * @brief Reset a data queue. Calling this function will wake up all threads on the data queue
  * that are hanging and waiting.
- * 
+ *
  * @param queue The data queue object
  */
 void rt_data_queue_reset(struct rt_data_queue *queue)
@@ -417,9 +417,9 @@ RTM_EXPORT(rt_data_queue_reset);
 
 /**
  * @brief Deinit a data queue.
- * 
+ *
  * @param queue The data queue object
- * 
+ *
  * @return operation status, RT_EOK on successful.
  */
 rt_err_t rt_data_queue_deinit(struct rt_data_queue *queue)
@@ -444,9 +444,9 @@ RTM_EXPORT(rt_data_queue_deinit);
 
 /**
  * @brief This function get the number of data in the data queue.
- * 
+ *
  * @param queue The data queue object
- * @return The number of data in the data queue 
+ * @return The number of data in the data queue
  */
 rt_uint16_t rt_data_queue_len(struct rt_data_queue *queue)
 {