main.cpp

00001 #include "mbed.h"
00002 #include "Websocket.h"
00003 #include "TextLCD.h"
00004 
00005 #define WS_SERVER_URL "ws://sockets.mbed.org/ws/webdbpress/rw"
00006 
00007 Websocket *ws;
00008 TextLCD lcd(p24, p26, p27, p28, p29, p30);
00009 AnalogIn ain(p15);
00010 float temp;
00011 
00012 int main() {
00013     int i = 0;
00014     char buf[512];
00015     Timer timer;
00016 
00017     lcd.printf("init network...\n");
00018     ws = new Websocket(WS_SERVER_URL);
00019 
00020     lcd.printf("connecting...\n");
00021     while(!ws->connect()) {
00022         printf("retrying...\r\n");
00023         wait(5);
00024     }
00025 
00026     timer.start();
00027     while(1) {
00028         Net::poll();
00029         wait(0.1);
00030 
00031         if (timer.read_ms() >= 10000) {
00032             temp = ain * 3.3 * 100;
00033             sprintf(buf, "No.%d: temp:%4.2f", i++, temp);
00034             ws->send(buf);
00035             timer.reset();
00036         }
00037         
00038         if (ws->read(buf)) {
00039             lcd.cls();
00040             lcd.printf("recv: %s\n", buf);
00041         }
00042 
00043         if (! ws->connected()) {
00044             lcd.cls();
00045             lcd.printf("disconnected\n");
00046             break;
00047         }
00048     }
00049 }