当解析不出飞控数据时闪红灯

app/drivers/sertrf/protocol/MSP.c

@@ -466,21 +466,23 @@ void msp_recv_loop(msp_port_t *msp)
         }
     }
 }
-void msp_recv_buf(msp_port_t *msp, void *data, uint32_t size)
+int msp_recv_buf(msp_port_t *msp, void *data, uint32_t size)
 {
+    uint8_t res = 0;
     uint32_t size_lat = size;
     uint8_t* data_char = (uint8_t*)data;
 
     while (size_lat --)
     {
-         uint8_t c = data_char[size - size_lat - 1];
+        uint8_t c = data_char[size - size_lat - 1];
         if (msp_parse_received_data(msp, c))
         {
             if (msp->c_state == MSP_COMMAND_RECEIVED)
             {
                 msp_process_received_command(msp);
-                // break;
+                res ++;
             }
         }
     }
+    return res;
 }