Diff: main.cpp

Revision:

1:bb040724d21b

Parent:

0:1e952439b254

Child:

2:3b6c391a682d

--- a/main.cpp	Fri Apr 11 13:07:20 2014 +0000
+++ b/main.cpp	Fri Apr 11 13:13:51 2014 +0000
@@ -7,16 +7,18 @@
 int main()
 {
     wait(3);
-    pc.printf(">>> Get IP via DHCP...\n");
-    int s = eth.init(); // Use DHCP
-
+    
+    // Initialize the interface.
+    // If no param is passed to init() then DHCP will be used on connect()
+    int s = eth.init();
     if (s != NULL) {
         pc.printf(">>> Could not initialise. Halting!\n");
         exit(0);
     }
 
+    pc.printf(">>> Get IP address...\n");
     while (1) {
-        s = eth.connect();
+        s = eth.connect(); // Connect to network
 
         if (s == false || s < 0) {
             pc.printf(">>> Could not connect to network. Retrying!\n");
@@ -25,16 +27,16 @@
             break;
         }
     }
+    pc.printf(">>> Got IP address: %s\n", eth.getIPAddress());
 
-    // successful DHCP
-    pc.printf(">>> Got IP Address: %s\n", eth.getIPAddress());
-
+    // Prepare the http request to mbed.org
     char http_cmd[] = "GET /media/uploads/mbed_official/hello.txt HTTP/1.0\n\n";
     TCPSocketConnection sock;
     sock.connect("mbed.org", 80);    
     sock.send_all(http_cmd, sizeof(http_cmd)-1);
     pc.printf(">>> Sent request to mbed.org\n");
 
+    // Read the response
     char buffer[300];
     int ret;
     while (true) {
@@ -46,6 +48,7 @@
     }
     sock.close();
     
+    // Disconnect from network
     eth.disconnect();
     return 0;
 }