main.cpp

00001 // stuff to use DBG debug output
00002 #define __DEBUG__ 4 //Maximum verbosity
00003 #ifndef __MODULE__
00004 #define __MODULE__ "main.cpp"
00005 #endif
00006 
00007 #include "mbed.h"
00008 #include "VodafoneUSBModem.h"
00009 #include "HTTPClient.h"
00010 #include "socket.h"
00011 
00012 // connect to socket at ipAddress and port
00013 bool connectToSocket(char *ipAddress, int port, int *sockfd) {
00014   *sockfd = -1;
00015   
00016   // create the socket
00017   if((*sockfd=socket(AF_INET,SOCK_STREAM,0))<0) {
00018      INFO("Error opening socket");
00019      return false;
00020   }
00021          
00022   // create the socket address
00023   sockaddr_in serverAddress;
00024   std::memset(&serverAddress, 0, sizeof(struct sockaddr_in));
00025   serverAddress.sin_addr.s_addr = inet_addr(ipAddress);
00026   serverAddress.sin_family = AF_INET;
00027   serverAddress.sin_port = htons(port);
00028 
00029   // do socket connect
00030   if(connect(*sockfd, (const struct sockaddr *)&serverAddress, sizeof(serverAddress))<0) {
00031      close(*sockfd);
00032      INFO("Could not connect");
00033      return false;
00034   }
00035   return true;
00036 }
00037 
00038 int main() {
00039    // setup debug macro
00040    DBG_INIT();
00041    DBG_SET_SPEED(115200);
00042    DBG_SET_NEWLINE("\r\n");
00043    INFO("Begin");
00044    
00045    // construct modem object
00046    VodafoneUSBModem modem;
00047    
00048    // construc http client object
00049    HTTPClient http;
00050    
00051    // locals
00052    char str[512];
00053    str[0] = 0x00;
00054    int ret = 1;
00055 
00056    // connect to the mobile network (get an IP)
00057    ret = modem.connect("internet","web","web");
00058    if(ret!=0) {
00059       DBG("Error connecting to the Vodafone network.");
00060       return;
00061    }
00062    
00063    int sockfd = 0;
00064    if(connectToSocket("109.74.199.96",80,&sockfd)) {
00065       INFO("Connected to socket OK");
00066       close(sockfd);
00067    }
00068     
00069    // do an HTTP GET
00070    INFO("Trying to fetch page...");
00071    ret = http.get("http://m2mthings.com/test.txt", str, 128,3000);
00072    if(ret==0) {
00073       INFO("Page fetched successfully - read %d characters", strlen(str));
00074       INFO("Result: \"%s\"", str);
00075    } else {
00076       INFO("Error - ret = %d - HTTP return code = %d", ret, http.getHTTPResponseCode());
00077    }
00078     
00079    // do an HTTP POST
00080    HTTPMap map;
00081    HTTPText text(str, 512);
00082    map.put("Hello", "World");
00083    map.put("test", "1234");
00084    INFO("Trying to post data...");
00085    ret = http.post("http://httpbin.org/post", map, &text);
00086    if(ret==0) {
00087       INFO("Executed POST successfully - read %d characters", strlen(str));
00088       INFO("Result: %s\n", str);
00089    } else {
00090       INFO("Error - ret = %d - HTTP return code = %d", ret, http.getHTTPResponseCode());
00091    }
00092     
00093    // disconnect from the mobile network
00094    modem.disconnect();  
00095 
00096    // flash led 1 forever
00097    DigitalOut l1(LED1);
00098    while(1) { 
00099       l1 = !l1;
00100       Thread::wait(1000);
00101    } 
00102 }