tty use mq

rt-thread/bsp/stm32/libraries/HAL_Drivers/drivers/drv_can.c

@@ -484,7 +484,7 @@ static rt_err_t _can_control(struct rt_can_device *can, int cmd, void *arg)
     return RT_EOK;
 }
 
-static int _can_sendmsg(struct rt_can_device *can, const void *buf, rt_uint32_t box_num)
+static rt_ssize_t _can_sendmsg(struct rt_can_device *can, const void *buf, rt_uint32_t box_num)
 {
     CAN_HandleTypeDef *hcan;
     hcan = &((struct stm32_can *) can->parent.user_data)->CanHandle;
@@ -586,7 +586,7 @@ static int _can_sendmsg(struct rt_can_device *can, const void *buf, rt_uint32_t
     }
 }
 
-static int _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
+static rt_ssize_t _can_recvmsg(struct rt_can_device *can, void *buf, rt_uint32_t fifo)
 {
     HAL_StatusTypeDef status;
     CAN_HandleTypeDef *hcan;

rt-thread/components/drivers/ipc/condvar.c

@@ -47,7 +47,7 @@ static int _waitq_inqueue(rt_wqueue_t *queue, struct rt_wqueue_node *node,
         if (ret == RT_EOK)
         {
             rt_wqueue_add(queue, node);
-            if (timeout != RT_WAITING_FOREVER)
+            if ((int)timeout != RT_WAITING_FOREVER)
             {
                 rt_timer_control(timer, RT_TIMER_CTRL_SET_TIME, &timeout);
 

rt-thread/src/object.c

@@ -723,7 +723,7 @@ rt_object_t rt_object_find(const char *name, rt_uint8_t type)
     };
 
     /* parameter check */
-    if (name == RT_NULL || rt_object_get_information(type) == RT_NULL)
+    if (name == RT_NULL || rt_object_get_information((enum rt_object_class_type)type) == RT_NULL)
         return RT_NULL;
 
     /* which is invoke in interrupt status */

rt-thread/src/scheduler_comm.c

@@ -481,4 +481,6 @@ void rt_scheduler_stack_check(struct rt_thread *thread)
 #endif /* ARCH_CPU_STACK_GROWS_UPWARD */
 }
 
-#endif /* RT_USING_OVERFLOW_CHECK */
+#endif /* RT_USING_OVERFLOW_CHECK */
+
+

rt-thread/src/scheduler_up.c

@@ -720,4 +720,5 @@ rt_err_t rt_sched_thread_bind_cpu(struct rt_thread *thread, int cpu)
 }
 
 /**@}*/
-/**@endcond*/
+/**@endcond*/
+