lwipopts: alloc lwip memory with libc alloc method
*/
#define LWIP_XR_IMPL 1 // XRadio's implementation
-#define LWIP_XR_MEM 0 // XRadio's implementation of memory
+#define LWIP_XR_MEM 1 // XRadio's implementation of memory
#define LWIP_XR_DEINIT 0 // LwIP deinit
#define LWIP_SUPPRESS_WARNING 1
#define LWIP_RESOURCE_TRACE 0 // trace resource usage for debugging
