many updates..

new sensors.. display.. led.. drawing.. stuff..

net/IP.h

@@ -13,17 +13,17 @@
 		ip_addr_t addr;
 
 		/** empty ctor */
-		explicit IP() {
+                explicit IP4() {
 			addr.addr = 0;
 		}
 
 		/** ctor with IP-string */
-		explicit IP(const char* ipStr) {
+                explicit IP4(const char* ipStr) {
 			set(ipStr);
 		}
 
 		/** ctor with ip_addr_t */
-		explicit IP(ip_addr addr) : addr(addr) {
+                explicit IP4(ip_addr addr) : addr(addr) {
 			;
 		}
 

net/UDP.h

@@ -46,7 +46,7 @@ public:
 
 	}
 
-	bool send(const IP ip, const Port port, const void* data, const uint16_t dataLen) {
+	bool send(const IP4 ip, const Port port, const void* data, const uint16_t dataLen) {
 
 		debugMod1(NAME, "sending packet to remote port %d", port);
 
@@ -65,9 +65,21 @@ public:
 
 	/** set the callback to call whenever a packet is received */
 	void setRecvCallback(UDPCallback callback) {
+		debugMod(NAME, "setRecvCallback()");
 		espconn_regist_recvcb(con, callback);
 	}
 
+	/** get the IP address of the most recent packet's sender */
+	IP4 getSenderIP() {
+
+		remot_info* rem;
+		espconn_get_connection_info(con, &rem, 0);
+		ip_addr_t* _ip = (ip_addr_t*) rem->remote_ip;
+		return IP4(*_ip);
+		//const uint16_t port = rem->remote_port;
+
+	}
+
 private:
 
 	/** initialize the UDP "connection" */