UDP Echo Client example

Dependencies:   EthernetInterface mbed-rtos mbed

Deprecated

This is an mbed 2 networking example. For mbed OS 5, the networking libraries have been revised to better support additional network stacks and thread safety here.

Revision:
1:129986b437b1
Parent:
0:97e3476ef63e
Child:
2:3307c4a7c499
--- a/main.cpp	Thu Jul 26 16:31:15 2012 +0000
+++ b/main.cpp	Thu Jul 26 16:35:11 2012 +0000
@@ -1,1 +1,31 @@
 #include "mbed.h"
+#include "EthernetInterface.h"
+
+const char* ECHO_SERVER_ADDRESS = "10.2.131.73";
+const int ECHO_PORT = 7;
+
+int main() {
+    EthernetInterface eth;
+    eth.init(); //Use DHCP
+    eth.connect();
+    
+    UDPSocket sock;
+    sock.init();
+    
+    char out_buffer[] = "Hello World\n";
+    UDPPacket out_packet(out_buffer, sizeof(out_buffer));
+    out_packet.set_address(ECHO_SERVER_ADDRESS, ECHO_PORT);
+    sock.sendTo(out_packet);
+    
+    char in_buffer[256];
+    UDPPacket in_packet(in_buffer, sizeof(in_buffer));
+    int n = sock.receiveFrom(in_packet);
+    
+    in_buffer[n] = '\0';
+    printf("%s\n", in_buffer);
+    
+    sock.close();
+    
+    eth.disconnect();
+    while(1) {}
+}