mbed official / Mbed 2 deprecated Websocket_Wifly_HelloWorld

WebSocket Hello World using the wifly interface

Dependencies:   WebSocketClient WiflyInterface mbed

Deprecated

This is an mbed 2 example. For an mbed OS 5 WiFi example, see:

[Repository '/teams/mbed-os-examples/code/mbed-os-example-wifi/docs/tip/' not found]

main.cpp@4:ef7d3e5f4b10, 2013-10-25 (annotated)

Committer:
sam_grove
Date:
Fri Oct 25 05:26:33 2013 +0000
Revision:
4:ef7d3e5f4b10
Parent:
3:f38ab577e979 
Without my lab wifi credentials

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 1:31e50fea8be8 1 #include "mbed.h"
samux 1:31e50fea8be8 2 #include "WiflyInterface.h"
samux 1:31e50fea8be8 3 #include "Websocket.h"
samux 1:31e50fea8be8 4
sam_grove 3:f38ab577e979 5 Ticker flash;
sam_grove 3:f38ab577e979 6 DigitalOut led(LED1);
sam_grove 3:f38ab577e979 7 void flashLED(void){led = !led;}
samux 1:31e50fea8be8 8
samux 1:31e50fea8be8 9 /* wifly interface:
samux 1:31e50fea8be8 10 * - p9 and p10 are for the serial communication
samux 1:31e50fea8be8 11 * - p19 is for the reset pin
samux 1:31e50fea8be8 12 * - p26 is for the connection status
samux 1:31e50fea8be8 13 * - "mbed" is the ssid of the network
samux 1:31e50fea8be8 14 * - "password" is the password
samux 1:31e50fea8be8 15 * - WPA is the security
samux 1:31e50fea8be8 16 */
sam_grove 4:ef7d3e5f4b10 17 WiflyInterface wifly(p9, p10, p30, p29, "mbed", "password", WPA);
samux 1:31e50fea8be8 18
sam_grove 3:f38ab577e979 19 int main()
sam_grove 3:f38ab577e979 20 {
sam_grove 3:f38ab577e979 21 flash.attach(&flashLED, 1.0f);
sam_grove 3:f38ab577e979 22
samux 1:31e50fea8be8 23 wifly.init(); //Use DHCP
sam_grove 3:f38ab577e979 24 while(!wifly.connect());
sam_grove 3:f38ab577e979 25 printf("IP Address: %s\n", wifly.getIPAddress());
samux 1:31e50fea8be8 26
sam_grove 3:f38ab577e979 27 // view @ http://sockets.mbed.org/demo/viewer
sam_grove 3:f38ab577e979 28 Websocket ws("ws://sockets.mbed.org:443/ws/demo/rw");
samux 1:31e50fea8be8 29 while (!ws.connect());
sam_grove 3:f38ab577e979 30 char str[100];
sam_grove 3:f38ab577e979 31
sam_grove 3:f38ab577e979 32 for(int i=0; i<0x7fffffff; ++i) {
sam_grove 3:f38ab577e979 33 // string with a message
sam_grove 3:f38ab577e979 34 sprintf(str, "%d WebSocket Hello World over Wifi", i);
sam_grove 3:f38ab577e979 35 ws.send(str);
sam_grove 3:f38ab577e979 36
sam_grove 3:f38ab577e979 37 // clear the buffer and wait a sec...
sam_grove 3:f38ab577e979 38 memset(str, 0, 100);
sam_grove 3:f38ab577e979 39 wait(0.5f);
sam_grove 3:f38ab577e979 40
sam_grove 3:f38ab577e979 41 // websocket server should echo whatever we sent it
sam_grove 3:f38ab577e979 42 if (ws.read(str)) {
sam_grove 3:f38ab577e979 43 printf("rcv'd: %s\n", str);
sam_grove 3:f38ab577e979 44 }
samux 1:31e50fea8be8 45 }
sam_grove 3:f38ab577e979 46 ws.close();
sam_grove 3:f38ab577e979 47 wifly.disconnect();
sam_grove 3:f38ab577e979 48
sam_grove 3:f38ab577e979 49 while(true);
samux 0:64c683256184 50 }