ethernet.cpp

00001 #include "ethernet.h"
00002 
00003 //const char* ECHO_SERVER_ADDRESS = "194.254.15.213/reco/";
00004 const char* ECHO_SERVER_ADDRESS = "192.168.1.40";
00005 const int ECHO_SERVER_PORT = 4242;
00006 
00007 EthernetInterface eth;
00008 TCPSocketConnection socket;
00009 HTTPClient http;
00010 int timeOut = HTTP_CLIENT_DEFAULT_TIMEOUT;
00011 
00012 bool preparationEthernet()
00013 {
00014     afficherAuCentreDeLEcran("Preparation :", "Ethernet (1/2)");
00015     wait(0.5);
00016     
00017     if(eth.init() == 0)
00018     //if( eth.init("192.168.1.67", "255.255.255.0", ECHO_SERVER_ADDRESS) == 0) // Test en local (Sans DHCP)
00019     {
00020         afficherAuCentreDeLEcran("Preparation :", "Ethernet (2/2)");
00021         
00022         if(eth.connect() == 0)
00023         {
00024             afficherAuCentreDeLEcran("Machine", "connectee");
00025             allumerLed(1);
00026             return true;
00027         }
00028         
00029         else
00030             afficherAuCentreDeLEcran("Erreur :", "Ethernet (2/2)");
00031     }
00032         
00033     else
00034         afficherAuCentreDeLEcran("Erreur :", "Ethernet (1/2)");
00035     
00036     wait(2);
00037     afficherAuCentreDeLEcran("Err ethernet", eth.getMACAddress());
00038         
00039     allumerLed(2);
00040     return false;
00041 }
00042 
00043 void deconnexionEthernet()
00044 {
00045     eth.disconnect();
00046     afficherAuCentreDeLEcran("Machine", "deconnectee");
00047 }
00048 
00049 bool connexionSocket()
00050 {
00051     /*int i = 0;
00052     while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0)
00053     {
00054         printf("Unable to connect to (%s) on port (%d)\r\n\r", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
00055         wait(1);
00056         i++;
00057         if(i>5)
00058         {
00059             return 0; // Échec
00060         }
00061     }
00062     return 1;*/
00063     for(int i = 0 ; i < 4 ; i ++)
00064     {
00065         if(socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0)
00066         {
00067             afficherAuCentreDeLEcran("Serveur", "injoignable", "sur", ECHO_SERVER_ADDRESS);
00068             wait(3);
00069         }
00070         
00071         else
00072             return true;
00073     }
00074     
00075     return false;
00076 }
00077 
00078 void deconnexionSocket()
00079 {
00080     socket.close();
00081 }
00082 
00083 bool envoyerRequete(char complement_url[200], char *reponse, int longueur_reponse)
00084 {
00085     char url[500];
00086     sprintf(url, "http://asi-12-cafetiere.insa-rouen.fr/mbed/%s", complement_url);
00087     //sprintf(url, "http://192.168.1.10/mbed/%s", complement_url);
00088     HTTPResult retour = http.get(url, reponse, longueur_reponse);
00089 
00090     if(retour != HTTP_OK)
00091     {
00092         afficherAuCentreDeLEcran("ECHEC", "Envoi requete");
00093         wait(1);
00094     }
00095 
00096     return retour == HTTP_OK; // Succès
00097 }
00098 
00099 bool envoyerRequete(char complement_url[200])
00100 {
00101     char reponse_vide[1];
00102     return envoyerRequete(complement_url, reponse_vide, 1);
00103 }
00104 
00105 void envoyerChaineSocket(char *chaine, int taille_chaine, char *reponse, int longueur_reponse_max)
00106 {
00107     int m;
00108     socket.send_all(chaine, taille_chaine);
00109     m = socket.receive(reponse,longueur_reponse_max);
00110     reponse[m] = '\0';
00111 }
00112 
00113