wifiunit.cpp

00001 #include "mbed.h"
00002 #include "WiflyInterface.h"
00003 #include "HTTPClient.h"
00004 #include <vector>
00005 #include "SD.h"
00006 
00007 WiflyInterface wifly(p13, p14, p29, p30, "GTother", "GeorgeP@1927", WPA);
00008 
00009 HTTPClient http;
00010 char str[512];
00011 
00012 void setupWiFi()
00013 {
00014     printf("trying to connect");
00015     wifly.init();
00016     while (!wifly.connect()) wait (0.1);
00017     printf("IP Address is %s\n\r", wifly.getIPAddress());
00018 }
00019 
00020 vector<robotCommand>* getTagCommands(int tagID)
00021 {    
00022     vector<robotCommand>* commandVector = new vector<robotCommand>();
00023     printLCD("Translating", "Web Server");
00024     char url[512];
00025     char str[512];
00026     sprintf(url, "http://sabacai.com/index.php?tag=%d", tagID);
00027     printf("url is %s", url);
00028     int ret = http.get(url, str, 512);
00029     if (!ret) {
00030         printf("Tag String Received - read %d characters\n", strlen(str));
00031         str[strlen(str)-1] = '\0'; // remove the last column
00032         printf("Result: %s\n", str);
00033     }
00034     
00035     char * pch;
00036     printf ("Splitting string \"%s\" into tokens:\n",str);
00037     pch = strtok (str,",");
00038     
00039     int i = 0;
00040     CommandType commandID = None;
00041     
00042     while (pch != NULL)
00043     {
00044         printf ("%s\n",pch);
00045         double magnitude = 0.0;
00046         
00047         if ((i&0x1) == 0)
00048         {
00049             // this is the command type
00050             if (strcmp(pch, "FORWARD") == 0)
00051                 commandID = Forward;
00052             else if (strcmp(pch, "REVERSE") == 0)
00053                 commandID = Reverse; 
00054             else if (strcmp(pch, "LEFT") == 0)
00055                 commandID = Left; 
00056             else if (strcmp(pch, "RIGHT") == 0)
00057                 commandID = Right; 
00058             else if (strcmp(pch, "PLAYSOUND") == 0)
00059                 commandID = PlaySound; 
00060                 
00061             printf("command name is %s, id is %d", pch, commandID);
00062         }
00063         else 
00064         {
00065             // this is the magnitude
00066             magnitude = atof(pch);
00067             printf("magnitude is %f", magnitude);
00068         }
00069         
00070         // do some stuff here
00071         if (i != 0 && ((i&0x1) == 1))
00072         {
00073             // add the command to the vector
00074             printf(" now adding %d, %f", commandID, magnitude);
00075             commandVector->push_back(robotCommand(commandID, magnitude));
00076         }
00077         i+=1;
00078         pch = strtok (NULL, ",");
00079     }
00080     
00081     return commandVector;
00082 }