Merge pull request #2889 from SummerGGift/master710

[components][serial] 去除串口 DMA 中无法触发的代码判断
2019-07-23 20:29:37 +08:00 · 2019-07-23 20:29:37 +08:00 · bfd28d4beb
parent eafdc5819b 0cfcb906d5
commit bfd28d4beb
1 changed files with 3 additions and 5 deletions
--- a/components/drivers/serial/serial.c
+++ b/components/drivers/serial/serial.c
@ -428,12 +428,10 @@ static void rt_dma_recv_update_put_index(struct rt_serial_device *serial, rt_siz
        }
    }
    
-    if(rx_fifo->is_full == RT_TRUE) 
+    if(rx_fifo->is_full == RT_TRUE)
    {
-        rx_fifo->get_index = rx_fifo->put_index; 
-    } 
-    
-    if (rx_fifo->get_index >= serial->config.bufsz) rx_fifo->get_index = 0;
+        rx_fifo->get_index = rx_fifo->put_index;
+    }
 }

 /*