1.去掉tty等待超时的打印

code/application/source/sf_app/code/source/ttyusb/sf_hal_ttyusb.c

@@ -449,7 +449,7 @@ SINT32 sf_hal_ttyusb2_read_buf(SF_TTY_DATA_TYPE_S *recv)
         } 
         else if (0 == s32ret) {
             waitTime--;
-            MLOGW("FIFO select timeout [%d]\n",waitTime);
+            //MLOGW("FIFO select timeout [%d]\n",waitTime);
             continue;
         }
     }