need to refactor networking code

stm32h7/networking/networking.cpp

@@ -0,0 +1,19 @@
+#include "udp_config.h"
+#include "networking.h"
+
+bool ethernetCableConnected = false;
+
+void networking::setEthCableConnected(bool status) {
+    ethernetCableConnected = status;
+}
+
+bool networking::getEthCableConnected() {
+    return ethernetCableConnected;
+}
+
+void networking::setLwipAddresses(ip_addr_t* ipaddr, ip_addr_t* netmask, ip_addr_t* gw) {
+    IP4_ADDR(ipaddr, IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
+    IP4_ADDR(netmask, NETMASK_ADDR0, NETMASK_ADDR1 ,
+            NETMASK_ADDR2, NETMASK_ADDR3);
+    IP4_ADDR(gw, GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
+}