complie and debug test_net

Ubiquitous/XiZi_AIoT/services/net/net_server/include/lwip/arch.h

@@ -46,6 +46,7 @@
 #endif
 
 #include "arch/cc.h"
+#include "libserial.h"
 
 /**
  * @defgroup compiler_abstraction Compiler/platform abstraction
@@ -78,7 +79,7 @@
  * systems, this should be defined to something less resource-consuming.
  */
 #ifndef LWIP_PLATFORM_DIAG
-#define LWIP_PLATFORM_DIAG(x) do {printf(x);} while(0)
+#define LWIP_PLATFORM_DIAG(x) do {printf x;} while(0)
 // #include <stdio.h>
 #include <stdlib.h>
 #endif