main.cpp

00001 #include "mbed.h"
00002 #include "EthernetInterface.h"
00003 #include "Websocket.h"
00004 
00005 DigitalOut myled(LED1);
00006 
00007 int main()
00008 {
00009     printf("Start Websocket Demo. \r\n");
00010     
00011 #if defined(TARGET_LPC1114)
00012     SPI spi(dp2, dp1, dp6); // mosi, miso, sclk
00013     EthernetInterface eth(&spi, dp25, dp26); // spi, cs, reset
00014 
00015 #elif defined(TARGET_LPC1768)
00016     SPI spi(p11, p12, p13); // mosi, miso, sclk
00017     EthernetInterface eth(&spi, p14, p15); // spi, cs, reset
00018 
00019 #elif defined(TARGET_LPC11U68)
00020     SPI spi(P0_9, P0_8, P1_29); // mosi, miso, sclk
00021 //WIZnetInterface eth(&spi, P0_2, P1_25); // spi, cs, reset
00022 //SPI spi(p5, p6, p7); // mosi, miso, sclk
00023     EthernetInterface eth(&spi, P0_2, P1_28);//, nRESET(p9); // reset pin is dummy, don't affect any pin of WIZ550io
00024     spi.format(8,0); // 8bit, mode 0
00025     spi.frequency(7000000); // 7MHz
00026     wait(1); // 1 second for stable state
00027 
00028 #endif
00029 
00030     eth.init(); //Use DHCP
00031     printf("Initialized, MAC: %s\r\n", eth.getMACAddress());
00032     eth.connect();
00033     //printf("IP Address is %s\n\r", eth.getIPAddress());
00034     printf("Connected, IP: %s, MASK: %s, GW: %s\r\n",eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
00035 /*
00036     // as your env. change to real IP address and so on.
00037     //int ret = eth.init(your IP, Subnet, Gateway);
00038     int ret = eth.init("xxx.xxx.xxx.xxx", "255.255.255.0", "yyy.yyy.yyy.yyy");
00039     if (!ret) {
00040         printf("Initialized, MAC: %s\r\n", eth.getMACAddress());
00041         printf("Connected, IP: %s, MASK: %s, GW: %s\r\n",
00042                eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
00043     } else {
00044         printf("Error eth.init() - ret = %d\r\n", ret);
00045         return -1;
00046     }
00047 */
00048 
00049 //    Websocket ws("ws://sockets.mbed.org:443/ws/demo/wo");
00050 //    ws.connect();
00051 
00052     // this code from http://mbed.org/teams/mbed/code/Websocket_Ethernet_HelloWorld/file/bd0a76c1d9d0/main.cpp
00053     // view @ http://sockets.mbed.org/demo/viewer
00054     Websocket ws("ws://sockets.mbed.org:443/ws/demo/rw");
00055     ws.connect();
00056 
00057     char str[100];
00058  
00059     for(int i=0; i<0x10; ++i) {
00060 
00061         sprintf(str, "%dth WebSocket message for WIZnet W5500 Hello World over Ethernet.", i);
00062         ws.send(str);
00063         // clear the buffer and wait a sec...
00064         memset(str, 0, 100);
00065         wait(0.5f);
00066 
00067         // websocket server should echo whatever we sent it
00068         if (ws.read(str)) {
00069             printf("Recv : %s\r\n", str);
00070         }
00071     }
00072     ws.close();
00073     eth.disconnect();
00074 
00075     while(1) {
00076         myled = 1;
00077         wait(0.2);
00078         myled = 0;
00079         wait(0.2);
00080     }
00081 }