initial: zephyr core support

Author: facchinm

src/ConnectionHandlerDefinitions.h

@@ -151,6 +151,18 @@
   #define NETWORK_CONNECTED WL_CONNECTED
 #endif
 
+#if defined(__ZEPHYR__)
+  #define BOARD_HAS_ETHERNET
+  #define NETWORK_HARDWARE_ERROR WL_NO_SHIELD
+  #define NETWORK_IDLE_STATUS WL_IDLE_STATUS
+  #define NETWORK_CONNECTED WL_CONNECTED
+  #include "ZephyrUDP.h"
+  #include "ZephyrClient.h"
+  #include "Ethernet.h"
+  #define EthernetUDP ZephyrUDP
+  #define EthernetClient ZephyrClient
+#endif
+
 #endif // BOARD_HAS_NOTECARD
 
 /******************************************************************************