Diff: main.cpp

Revision:

1:ced62d2a69f9

Parent:

0:f2524261196f

Child:

2:61d5dde0c4b4

diff -r f2524261196f -r ced62d2a69f9 main.cpp
--- a/main.cpp	Tue Apr 08 18:40:52 2014 +0000
+++ b/main.cpp	Fri Apr 11 15:21:58 2014 +0000
@@ -1,39 +1,64 @@
 #include "mbed.h"
 #include "WiflyInterface.h"
 
+Serial pc(USBTX, USBRX);
+
 /**
  * D1 - TX pin (RX on the WiFi side)
  * D0 - RX pin (TX on the WiFi side)
- * NC - Reset pin
+ * NC - Reset pin; use D5 otherwise the shield might get into reset loop
  * LED1 - TCP status pin
  * "ssid" - hostspot name
  * "password" - hotspot passowrd
  * security method - NONE, WEP_128, WPA, WPA2
  */
-WiflyInterface wifi(D1, D0, NC, LED1, "hotspot", "", NONE);
-Serial pc(USBTX, USBRX);
+WiflyInterface eth(D1, D0, D5, LED1, "hotspot", "", NONE);
 
 int main()
 {
-    int s = wifi.init(); // Use DHCP
-    if( s != NULL ) {
-        printf("Could not initialise. Halting!\n");
+    wait(3);
+    
+    // Initialize the interface.
+    // If no param is passed to init() then DHCP will be used on connect()
+    int s = eth.init();
+    if (s != NULL) {
+        printf(">>> Could not initialise. Halting!\n");
         exit(0);
     }
 
+    printf(">>> Get IP address...\n");
     while (1) {
-        s = wifi.connect(); // Set up the chip and join the network
+        s = eth.connect(); // Connect to network
 
-        if( s == false ) {
-            printf("Could not connect. Retrying!\n");
+        if (s == false || s < 0) {
+            printf(">>> Could not connect to network. Retrying!\n");
             wait(3);
-            continue;
         } else {
-            // Print the IP address every second
-            while(1) {
-                printf("Got IP: %s\n", wifi.getIPAddress());
-                wait(1);
-            }
+            break;
         }
     }
+    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);
+    printf(">>> Sent request to mbed.org\n");
+
+    // Read the response
+    char buffer[300];
+    int ret;
+    while (true) {
+        ret = sock.receive(buffer, sizeof(buffer)-1);
+        if (ret <= 0)
+            break;
+        buffer[ret] = '\0';
+        printf(">>> Received %d chars from mbed.org:\n%s\n", ret, buffer);
+    }
+    sock.close();
+    
+    // Disconnect from network
+    eth.disconnect();
+    return 0;
 }