main.cpp

00001 #include "mbed.h"
00002 #include "TextLCD.h"
00003 #include "WiflyInterface.h"
00004 
00005 TextLCD lcd(p26, p25, p24, p23, p22, p21); // rs, e, d4-d7
00006 Serial pc(USBTX, USBRX);
00007 
00008 /* wifly object where:
00009 *     - p28 and p27 are for the serial communication
00010 *     - p25 is for the reset pin
00011 *     - p26 is for the connection status
00012 */
00013 WiflyInterface wifly(p28, p27, p10, p10,"ADHOC","",Adhoc);
00014 float temp;
00015 float humid;
00016 int bound = 0;
00017 
00018 int main() {
00019 
00020     lcd.cls();
00021     lcd.printf("Hello!\n");
00022 
00023     while(!bound){
00024         lcd.cls();
00025         lcd.printf("Initiating WiFly...");
00026         printf("wifly.init() returned:%d\n",wifly.init("169.254.1.2","255.255.0.0","10.0.0.1"));
00027         printf("wifly.connect returned:%d\n",wifly.connect());
00028         printf("IP Address is %s\n\r", wifly.getIPAddress());
00029         lcd.cls();
00030         lcd.printf("WiFly Initiated...");
00031     
00032 
00033         TCPSocketServer server;
00034         int n = 8042;
00035         if(server.bind(n) == 0){
00036             bound = 1;
00037             printf("Bind to port %d succeeded\n",n);
00038             lcd.cls();
00039             lcd.printf("Listening on port %d...",n);
00040             server.listen();
00041             TCPSocketConnection client;
00042             printf("\nWait for new connection...\n");
00043             printf("server.accept() returned:%d\n", server.accept(client));
00044             char buffer[256];
00045             int i = 0;
00046             int j = 0;
00047             int tempFound = 0;
00048             int humidFound = 0;
00049             while (true) {   
00050                 int n = client.receive(buffer, sizeof(buffer));
00051                 j += n;
00052                 if (j > 15){
00053                     for(i=5;i<j;i++){
00054                         if(buffer[i] == '^'){
00055                              //is Temp
00056                             printf("Temp: %c%c%c%c%c\n",buffer[i-5],buffer[i-4],buffer[i-3],buffer[i-2],buffer[i-1]);
00057                             if(buffer[i-6] - '0' <= 9 && buffer[i-6] - '0' >= 0){
00058                                  temp = ((buffer[i-6] - '0') * 100) + ((buffer[i-5] - '0') * 10) + (buffer[i-4] - '0') + ((buffer[i-2] - '0') * .1) + ((buffer[i-1] - '0') * .01);
00059                             }else{
00060                                 temp =  ((buffer[i-5] - '0') * 10) + (buffer[i-4] - '0') + ((buffer[i-2] - '0') * .1) + ((buffer[i-1] - '0') * .01);
00061                             }                         
00062                             printf("TEMP: %f\n\n",temp);
00063                             tempFound = 1;
00064                         }else if(buffer[i] == '$'){
00065                             printf("Humid: %c%c%c%c%c\n",buffer[i-5],buffer[i-4],buffer[i-3],buffer[i-2],buffer[i-1]);
00066                             if(buffer[i-6] - '0' <= 9 && buffer[i-6] - '0' >= 0){
00067                                 humid = ((buffer[i-6] - '0') * 100) + ((buffer[i-5] - '0') * 10) + (buffer[i-4] - '0') + ((buffer[i-2] - '0') * .1) + ((buffer[i-1] - '0') * .01);
00068                             }else{
00069                                 humid =  ((buffer[i-5] - '0') * 10) + (buffer[i-4] - '0') + ((buffer[i-2] - '0') * .1) + ((buffer[i-1] - '0') * .01);
00070                             }                     
00071                             printf("HUMID: %f\n\n",humid);
00072                             humidFound = 1;
00073                         }
00074                     if((humidFound && tempFound) || j > 250){
00075                         humidFound = 0;
00076                         tempFound = 0;
00077                         buffer[j] = 0;
00078                         j = 0;
00079                         lcd.cls();
00080                         lcd.printf("Temp:%.2f\nHumid:%.2f%%",temp,humid);
00081                     }
00082                    }
00083                 }
00084             }
00085         }else{
00086            printf("Bind to port %d failed\n",n);
00087            lcd.cls();
00088            lcd.printf("Bind to port %d failed\n",n);
00089            bound = 0;
00090            server.close();
00091         }
00092     }
00093 }