Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Dependencies:   mbed

Revision:
0:a548a085de55
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/arch/iputil.h	Sun Mar 14 00:54:12 2010 +0000
@@ -0,0 +1,29 @@
+#ifndef LWIP_UTILS_H
+#define LWIP_UTILS_H
+
+#include "ipv4/lwip/ip_addr.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * This method converts 4 given IPv4 tuples to struct ip_addr classes.
+ * The Byte are seperated by ,
+ * Does only work with seperated 4 Byte tuple.
+ */
+inline struct ip_addr IPv4(u8_t ip0, u8_t ip1, u8_t ip2, u8_t ip3) {
+  struct ip_addr addr;
+  IP4_ADDR(&addr, ip0, ip1, ip2, ip3);
+  return addr;
+}
+
+unsigned int base64enc_len(const char *str);
+
+void base64enc(const char *input, unsigned int length, char *output);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* LWIP_UTILS_H */