Revision 0:6ffb0aeb3972, committed 2012-08-17

Comitter:

samux

Date:

Fri Aug 17 08:28:04 2012 +0000

Child:

1:8f04181f9ad8

Commit message:

first commit

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Helper/def.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,28 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef DEF_H
+#define DEF_H
+
+#include "cmsis.h"
+#define htons(x)      __REV16(x)
+#define ntohs(x)      __REV16(x)
+#define htonl(x)      __REV(x)
+#define ntohl(x)      __REV(x)
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,53 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#include "Socket/Socket.h"
+#include "Socket/Endpoint.h"
+#include <cstring>
+
+using std::memset;
+
+Endpoint::Endpoint()  {
+    reset_address();
+}
+Endpoint::~Endpoint() {}
+
+void Endpoint::reset_address(void) {
+    _ipAddress[0] = '\0';
+    _port = 0;
+}
+
+int Endpoint::set_address(const char* host, const int port) {
+    //Resolve DNS address or populate hard-coded IP address
+    /*struct hostent *server = ::gethostbyname(host);
+    if (server == NULL)
+        return -1; //Could not resolve address*/
+    
+    reset_address();
+    std::memcpy(_ipAddress, host, strlen(host) + 1);
+    _port = port;
+    
+    return 0;
+}
+
+char* Endpoint::get_address() {
+    return _ipAddress;
+}
+
+int   Endpoint::get_port() {
+    return _port;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,64 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef ENDPOINT_H
+#define ENDPOINT_H
+
+
+class UDPSocket;
+
+/**
+IP Endpoint (address, port)
+*/
+class Endpoint {
+    friend class UDPSocket;
+
+public:
+    /** IP Endpoint (address, port)
+     */
+    Endpoint(void);
+    
+    ~Endpoint(void);
+    
+    /** Reset the address of this endpoint
+     */
+    void reset_address(void);
+    
+    /** Set the address of this endpoint
+    \param host The endpoint address (it can either be an IP Address or a hostname that will be resolved with DNS).
+    \param port The endpoint port
+    \return 0 on success, -1 on failure (when an hostname cannot be resolved by DNS).
+     */
+    int  set_address(const char* host, const int port);
+    
+    /** Get the IP address of this endpoint
+    \return The IP address of this endpoint.
+     */
+    char* get_address(void);
+    
+    /** Get the port of this endpoint
+    \return The port of this endpoint
+     */
+    int get_port(void);
+
+protected:
+    char _ipAddress[16];
+    int _port;
+
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Socket.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,38 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#include "Socket.h"
+#include <cstring>
+
+
+Socket::Socket() : _blocking(true), _timeout(1500) {
+    wifi = Wifly::getInstance();
+}
+
+void Socket::set_blocking(bool blocking, unsigned int timeout) {
+    _blocking = blocking;
+    _timeout = timeout;
+}
+
+int Socket::close() {
+    return (wifi->close()) ? 0 : -1;
+}
+
+Socket::~Socket() {
+    close(); //Don't want to leak
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Socket.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,51 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef SOCKET_H_
+#define SOCKET_H_
+
+#include "Wifly.h"
+
+/** Socket file descriptor and select wrapper
+  */
+class Socket {
+public:
+    /** Socket
+     */
+    Socket();
+    
+    /** Set blocking or non-blocking mode of the socket and a timeout on
+        blocking socket operations
+    \param blocking  true for blocking mode, false for non-blocking mode.
+    \param timeout   timeout in ms [Default: (1500)ms].
+    */
+    void set_blocking(bool blocking, unsigned int timeout=1500);
+    
+    /** Close the socket file descriptor
+     */
+    int close();
+    
+    ~Socket();
+    
+protected:
+    bool _blocking;
+    unsigned int _timeout;
+    Wifly * wifi;
+};
+
+
+#endif /* SOCKET_H_ */

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,139 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "TCPSocketConnection.h"
+#include <algorithm>
+
+TCPSocketConnection::TCPSocketConnection() {}
+
+int TCPSocketConnection::connect(const char* host, const int port) {
+    //open the connection
+    char cmd[30];
+    char rcv[40];
+
+    // if we cannot enter in cmd mode, maybe we have a tcp connection opened.
+    // in this case we need to wait at least 0.25s to enter in cmd mode
+    if (!wifi->cmdMode()) {
+        wait(0.25);
+        if (!wifi->cmdMode()) {
+            wifi->send("\r", 1);
+            wait(0.1);
+            wifi->exit();
+            return -1;
+        }
+    }
+
+    sprintf(cmd, "open %s %d\r", host, port);
+    if (wifi->sendCommand(cmd, NULL, rcv)) {
+        if (strstr(rcv, "OPEN") == NULL) {
+            if (strstr(rcv, "Connected") != NULL) {
+                if (!wifi->sendCommand("close\r", "CLOS"))
+                    return -1;
+                if (!wifi->sendCommand(cmd, "OPEN"))
+                    return -1;
+            } else {
+                return -1;
+            }
+        }
+    } else {
+        return -1;
+    }
+
+    wifi->flush();
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void) {
+    return wifi->is_connected();
+}
+
+int TCPSocketConnection::send(char* data, int length) {
+    Timer tmr;
+
+    if (!_blocking) {
+        tmr.start();
+        while (tmr.read_ms() < _timeout) {
+            if (wifi->writeable())
+                break;
+        }
+        if (tmr.read_ms() >= _timeout) {
+            return -1;
+        }
+    }
+    return wifi->send(data, length);
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length) {
+    Timer tmr;
+    int idx = 0;
+    tmr.start();
+
+    while ((tmr.read_ms() < _timeout) || _blocking) {
+
+        idx += wifi->send(data, length);
+        
+        if (idx == length)
+            return idx;
+    }
+    return (idx == 0) ? -1 : idx;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive(char* data, int length) {
+    Timer tmr;
+
+    if (!_blocking) {
+        tmr.start();
+        while (tmr.read_ms() < _timeout) {
+            if (wifi->readable())
+                break;
+        }
+        if (tmr.read_ms() >= _timeout)
+            return -1;
+    }
+
+    while(!wifi->readable());
+    int nb_available = wifi->readable();
+    for (int i = 0; i < min(nb_available, length); i++) {
+        data[i] = wifi->getc();
+    }
+    return min(nb_available, length);
+}
+
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length) {
+    Timer tmr;
+    int idx = 0;
+    
+    tmr.start();
+
+    while (tmr.read_ms() < _timeout || _blocking) {
+    
+        int nb_available = wifi->readable();
+        for (int i = 0; i < min(nb_available, length); i++) {
+            data[idx++] = wifi->getc();
+        }
+        
+        if (idx == length)
+            return idx;
+    }
+
+    return (idx == 0) ? -1 : idx;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,76 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef TCPSOCKET_H
+#define TCPSOCKET_H
+
+#include "Socket.h"
+#include "Endpoint.h"
+
+/**
+TCP socket connection
+*/
+class TCPSocketConnection: public Socket, public Endpoint {
+    
+public:
+    /** TCP socket connection
+    */
+    TCPSocketConnection();
+    
+    /** Connects this TCP socket to the server
+    \param host The host to connect to. It can either be an IP Address or a hostname that will be resolved with DNS.
+    \param port The host's port to connect to.
+    \return 0 on success, -1 on failure.
+    */
+    int connect(const char* host, const int port);
+    
+    /** Check if the socket is connected
+    \return true if connected, false otherwise.
+    */
+    bool is_connected(void);
+    
+    /** Send data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \return the number of written bytes on success (>=0) or -1 on failure
+     */
+    int send(char* data, int length);
+    
+    /** Send all the data to the remote host.
+    \param data The buffer to send to the host.
+    \param length The length of the buffer to send.
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int send_all(char* data, int length);
+    
+    /** Receive data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \return the number of received bytes on success (>=0) or -1 on failure
+     */
+    int receive(char* data, int length);
+    
+    /** Receive all the data from the remote host.
+    \param data The buffer in which to store the data received from the host.
+    \param length The maximum length of the buffer.
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receive_all(char* data, int length);
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketServer.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,72 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "TCPSocketServer.h"
+#include <string>
+
+TCPSocketServer::TCPSocketServer() {}
+
+// Server initialization
+int TCPSocketServer::bind(int port) {
+    // use udp auto pairing
+    char cmd[20];
+    if (!wifi->sendCommand("set ip proto 2\r", "AOK"))
+        return -1;
+    if (!wifi->sendCommand("set ip flags 0x07\r", "AOK"))
+        return -1;
+    sprintf(cmd, "set ip local %d\r", port);
+    if (!wifi->sendCommand(cmd, "AOK"))
+        return -1;
+    if (!wifi->sendCommand("save\r", "Stor"))
+        return -1;
+
+    wifi->reboot();
+    return 0;
+}
+
+int TCPSocketServer::listen(int backlog) {
+    if (backlog != 1)
+        return -1;
+    return 0;
+}
+
+
+int TCPSocketServer::accept(TCPSocketConnection& connection) {
+    int nb_available = 0, pos = 0;
+    char c;
+    string str;
+    bool o_find = false;
+    while (1) {
+        while(!wifi->readable());
+        nb_available = wifi->readable();
+        for (int i = 0; i < nb_available; i++) {
+            c = wifi->getc();
+            if (c == '*') {
+                o_find = true;
+            }
+            if (o_find && c != '\r' && c != '\n') {
+                str += c;
+                pos = str.find("*OPEN*");
+                if (pos != string::npos) {
+                    wifi->flush();
+                    return 0;
+                }
+            }
+        }
+    }
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketServer.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,52 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef TCPSOCKETSERVER_H
+#define TCPSOCKETSERVER_H
+
+#include "Socket/Socket.h"
+#include "TCPSocketConnection.h"
+
+/** TCP Server.
+  */
+class TCPSocketServer : public Socket {
+  public:
+    /** Instantiate a TCP Server.
+    */
+    TCPSocketServer();
+    
+    /** Bind a socket to a specific port.
+    \param port The port to listen for incoming connections on.
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port);
+    
+    /** Start listening for incoming connections.
+    \param backlog number of pending connections that can be queued up at any
+                   one time [Default: 1].
+    \return 0 on success, -1 on failure.
+    */
+    int listen(int backlog=1);
+    
+    /** Accept a new connection.
+    \param connection A TCPSocketConnection instance that will handle the incoming connection.
+    \return 0 on success, -1 on failure.
+    */
+    int accept(TCPSocketConnection& connection);
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,160 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "UDPSocket.h"
+
+#include <string>
+#include <algorithm>
+
+UDPSocket::UDPSocket() {
+    endpoint_configured = false;
+    endpoint_read = false;
+}
+
+int UDPSocket::init(void) {
+    if (!wifi->sendCommand("set ip proto 1\r", "AOK"))
+        return -1;
+    wifi->exit();
+    return 0;
+}
+
+// Server initialization
+int UDPSocket::bind(int port) {
+    // use udp auto pairing
+    char cmd[20];
+    if (!wifi->sendCommand("set ip proto 1\r", "AOK"))
+        return -1;
+    if (!wifi->sendCommand("set ip flags 0x40\r", "AOK"))
+        return -1;
+    if (!wifi->sendCommand("set ip host 0.0.0.0\r", "AOK"))
+        return -1;
+    if (!wifi->sendCommand("set ip remote 0\r", "AOK"))
+        return -1;
+    sprintf(cmd, "set ip local %d\r", port);
+    if (!wifi->sendCommand(cmd, "AOK"))
+        return -1;
+    if (!wifi->sendCommand("save\r", "Stor"))
+        return -1;
+
+    wifi->reboot();
+    return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length) {
+    Timer tmr;
+    int idx = 0;
+
+    confEndpoint(remote);
+
+    tmr.start();
+
+    while ((tmr.read_ms() < _timeout) || _blocking) {
+
+        idx += wifi->send(packet, length);
+        
+        if (idx == length)
+            return idx;
+    }
+    return (idx == 0) ? -1 : idx;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length) {
+    Timer tmr;
+    int idx = 0;
+    int nb_available = 0;
+
+
+    if (_blocking) {
+        while (1) {
+            nb_available = wifi->readable();
+            if (nb_available != 0) {
+                break;
+            }
+        }
+    }
+    
+    tmr.start();
+
+    while (tmr.read_ms() < _timeout) {
+    
+        nb_available = wifi->readable();
+        for (int i = 0; i < min(nb_available, length); i++) {
+            buffer[idx++] = wifi->getc();
+        }
+        
+        if (idx == length)
+            break;
+    }
+
+    readEndpoint(remote);
+
+    return (idx == 0) ? -1 : idx;
+}
+
+bool UDPSocket::confEndpoint(Endpoint & ep) {
+    char * host;
+    char cmd[30];
+    if (!endpoint_configured) {
+        host = ep.get_address();
+        if (host[0] != '\0') {
+            sprintf(cmd, "set ip host %s\r", host);
+            if (!wifi->sendCommand(cmd, "AOK"))
+                return false;
+            sprintf(cmd, "set ip remote %d\r", ep.get_port());
+            if (!wifi->sendCommand(cmd, "AOK"))
+                return false;
+            if (!wifi->sendCommand("save\r", "Stor"))
+                return false;
+            wifi->reboot();
+            endpoint_configured = true;
+            return true;
+        }
+    }
+    return true;
+}
+
+bool UDPSocket::readEndpoint(Endpoint & ep) {
+    char recv[256];
+    int begin = 0;
+    int end = 0;
+    string str;
+    string addr;
+    int port;
+    if (!endpoint_read) {
+        if (!wifi->sendCommand("get ip\r", NULL, recv))
+            return false;
+        wifi->exit();
+        str = recv;
+        begin = str.find("HOST=");
+        end = str.find("PROTO=");
+        if (begin != string::npos && end != string::npos) {
+            str = str.substr(begin + 5, end - begin - 5);
+            int pos = str.find(":");
+            if (pos != string::npos) {
+                addr = str.substr(0, pos);
+                port = atoi(str.substr(pos + 1).c_str());
+                ep.set_address(addr.c_str(), port);
+                endpoint_read = true;
+                return true;
+            }
+        }
+    }
+    return false;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,75 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef UDPSOCKET_H
+#define UDPSOCKET_H
+
+#include "Endpoint.h"
+#include "Socket.h"
+
+#include <cstdint>
+
+/**
+UDP Socket
+*/
+class UDPSocket: public Socket {
+
+public:
+    /** Instantiate an UDP Socket.
+    */
+    UDPSocket();
+    
+    /** Init the UDP Client Socket without binding it to any specific port
+    \return 0 on success, -1 on failure.
+    */
+    int init(void);
+    
+    /** Bind a UDP Server Socket to a specific port
+    \param port The port to listen for incoming connections on
+    \return 0 on success, -1 on failure.
+    */
+    int bind(int port = -1);
+    
+    /** Send a packet to a remote endpoint
+    \param remote   The remote endpoint
+    \param packet   The packet to be sent
+    \param length   The length of the packet to be sent
+    \return the number of written bytes on success (>=0) or -1 on failure
+    */
+    int sendTo(Endpoint &remote, char *packet, int length);
+    
+    /** Receive a packet from a remote endpoint
+    \param remote   The remote endpoint
+    \param buffer   The buffer for storing the incoming packet data. If a packet
+           is too long to fit in the supplied buffer, excess bytes are discarded
+    \param length   The length of the buffer
+    \return the number of received bytes on success (>=0) or -1 on failure
+    */
+    int receiveFrom(Endpoint &remote, char *buffer, int length);
+    
+private:
+    bool confEndpoint(Endpoint & ep);
+    bool readEndpoint(Endpoint & ep);
+    bool endpoint_configured;
+    bool endpoint_read;
+    
+};
+
+#include "def.h"
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wifly/CBuffer.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,75 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef CIRCBUFFER_H_
+#define CIRCBUFFER_H_
+
+template <class T>
+class CircBuffer {
+public:
+    CircBuffer(int length) {
+        write = 0;
+        read = 0;
+        size = length + 1;
+        buf = (T *)malloc(size * sizeof(T));
+    };
+
+    bool isFull() {
+        return (((write + 1) % size) == read);
+    };
+
+    bool isEmpty() {
+        return (read == write);
+    };
+
+    void queue(T k) {
+        if (isFull()) {
+            read++;
+            read %= size;
+        }
+        buf[write++] = k;
+        write %= size;
+    }
+    
+    void flush() {
+        read = 0;
+        write = 0;
+    }
+    
+
+    uint32_t available() {
+        return (write >= read) ? write - read : size - read + write;
+    };
+
+    bool dequeue(T * c) {
+        bool empty = isEmpty();
+        if (!empty) {
+            *c = buf[read++];
+            read %= size;
+        }
+        return(!empty);
+    };
+
+private:
+    volatile uint32_t write;
+    volatile uint32_t read;
+    uint32_t size;
+    T * buf;
+};
+
+#endif

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wifly/Wifly.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,394 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#include "mbed.h"
+#include "Wifly.h"
+#include <string>
+
+//Debug is disabled by default
+#if 0
+#define DBG(x, ...) std::printf("[Wifly : DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) std::printf("[Wifly : WARN]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) std::printf("[Wifly : ERR]"x"\r\n", ##__VA_ARGS__);
+#else
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+#define INFO(x, ...) printf("[Wifly : INFO]"x"\r\n", ##__VA_ARGS__);
+
+Wifly * Wifly::inst;
+
+Wifly::Wifly(   PinName tx, PinName rx, PinName _reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa):
+        wifi(tx, rx), reset_pin(_reset), tcp_status(tcp_status), buf_wifly(256) {
+    this->wpa = wpa;
+    this->phrase = phrase;
+    this->ssid = ssid;
+    inst = this;
+    attach_rx(false);
+    cmd_mode = false;
+}
+
+bool Wifly::join() {
+    char cmd[100];
+
+    if (!sendCommand("set comm time 20\r", "AOK"))
+        return false;
+
+    if (!sendCommand("set comm size 128\r", "AOK"))
+        return false;
+
+    if (!sendCommand("set sys iofunc 0x40\r", "AOK"))
+        return false;
+
+    // no string sent to the tcp client
+    if (!sendCommand("set comm remote 0\r", "AOK"))
+        return false;
+
+    // tcp protocol
+    if (!sendCommand("set ip proto 2\r", "AOK"))
+        return false;
+
+    // tcp retry
+    if (!sendCommand("set ip flags 0x7\r", "AOK"))
+        return false;
+
+    //no echo
+    if (!sendCommand("set u m 1\r", "AOK"))
+        return false;
+        
+    //dhcp
+    sprintf(cmd, "set i d %d\r", (dhcp) ? 1 : 0);
+    if (!sendCommand(cmd, "AOK"))
+        return false;
+
+    if (dhcp) {
+        if (!sendCommand("get w\r", NULL, cmd))
+            return false;
+
+        // if the wlan parameters are already known, we just connect without resending all commands
+        if ((string(cmd).find(ssid) != string::npos) && (string(cmd).find(phrase) != string::npos) ) {
+            DBG("ssid found && phrase found\r\n");
+            Timer tmr;
+            tmr.start();
+            while (tmr.read() < 2) {
+                send("show c\r", 7, NULL, cmd);
+                DBG("join: state of conn: %s\r\n", cmd);
+                if ((cmd[2] - '0') & 0x01) {
+                    INFO("\r\nssid: %s\r\nphrase: %s\r\nsecurity: %s\r\n\r\n", this->ssid, this->phrase, (wpa) ? "WPA" : "WEP");
+                    // save
+                    if (!sendCommand("save\r", "Stor"))
+                        return false;
+                    reboot();
+                    return true;
+                }
+                wait(0.2);
+            }
+        }
+
+        DBG("getw: %s\r\n", cmd);
+    }
+
+    // ssid
+    sprintf(cmd, "set w s %s\r", ssid);
+    if (!sendCommand(cmd, "AOK"))
+        return false;
+
+    //auth
+    sprintf(cmd, "set w a %d\r", (wpa) ? 3 : 1);
+    if (!sendCommand(cmd, "AOK"))
+        return false;
+
+    // if no dhcp, set ip, netmask and gateway
+    if (!dhcp) {
+        DBG("not dhcp\r");
+
+        sprintf(cmd, "set i a %s\r\n", ip);
+        if (!sendCommand(cmd, "AOK"))
+            return false;
+
+        sprintf(cmd, "set i n %s\r", netmask);
+        if (!sendCommand(cmd, "AOK"))
+            return false;
+
+        sprintf(cmd, "set i g %s\r", gateway);
+        if (!sendCommand(cmd, "AOK"))
+            return false;
+    }
+
+    //key step
+    if (wpa)
+        sprintf(cmd, "set w p %s\r", phrase);
+    else
+        sprintf(cmd, "set w k %s\r", phrase);
+
+    if (!sendCommand(cmd, "AOK"))
+        return false;
+
+    // auto join
+    if (!sendCommand("set w j 1\r", "AOK"))
+        return false;
+
+    // save
+    if (!sendCommand("save\r", "Stor"))
+        return false;
+
+    //join the network
+    sprintf(cmd, "join %s\r", ssid);
+    if (!sendCommand(cmd, "Associated"))
+        return false;
+
+    reboot();
+
+    INFO("\r\nssid: %s\r\nphrase: %s\r\nsecurity: %s\r\n\r\n", this->ssid, this->phrase, (wpa) ? "WPA" : "WEP");
+    return true;
+}
+
+bool Wifly::reboot() {
+    if (!sendCommand("reboot\r", "boot"))
+        return false;
+    wait(0.2);
+    // wait that the module fetches an IP
+    if (dhcp) {
+        while(send("", 0, "DHCP=ON") == -1);
+    } else {
+        while(send("", 0, "Static") == -1);
+    }
+    flush();
+    cmd_mode = false;
+    return true;
+}
+
+
+void Wifly::flush() {
+    buf_wifly.flush();
+}
+
+bool Wifly::sendCommand(const char * cmd, const char * ack, char * res) {
+    if (!cmd_mode) {
+        cmdMode();
+    }
+    if (send(cmd, strlen(cmd), ack, res) == -1) {
+        ERR("sendCommand: cannot %s\r\n", cmd);
+        exit();
+        return false;
+    }
+    return true;
+}
+
+bool Wifly::cmdMode() {
+    if (send("$$$", 3, "CMD") == -1) {
+        ERR("cannot enter in cmd mode\r\n");
+        return false;
+    }
+    cmd_mode = true;
+    return true;
+}
+
+bool Wifly::leave() {
+    if (!sendCommand("leave\r", "DeAuth"))
+        return false;
+    exit();
+    return true;
+
+}
+
+bool Wifly::is_connected() {
+    return (tcp_status.read() ==  1) ? true : false;
+}
+
+
+void Wifly::reset() {
+    reset_pin = 0;
+    wait(0.2);
+    reset_pin = 1;
+    wait(0.2);
+}
+
+bool Wifly::close() {
+    wait(0.25);
+    if (!cmdMode())
+        return false;
+    if (send("close\r", 6, "CLOS") == -1)
+        return false;
+    exit();
+    return true;
+}
+
+
+int Wifly::putc(char c) {
+    while (!wifi.writeable());
+    return wifi.putc(c);
+}
+
+
+bool Wifly::read(char * str) {
+    int length = buf_wifly.available();
+    if (length == 0)
+        return false;
+    for (int i = 0; i < length; i++)
+        buf_wifly.dequeue(&str[i]);
+    str[length] = 0;
+    return true;
+}
+
+
+bool Wifly::exit() {
+    flush();
+    if (send("exit\r", 5, "EXIT") == -1)
+        return false;
+    cmd_mode = false;
+    return true;
+}
+
+
+int Wifly::readable() {
+    return buf_wifly.available();
+}
+
+int Wifly::writeable() {
+    return wifi.writeable();
+}
+
+char Wifly::getc() {
+    char c;
+    while (!buf_wifly.available());
+    buf_wifly.dequeue(&c);
+    return c;
+}
+
+void Wifly::handler_rx(void) {
+    //read characters
+    while (wifi.readable())
+        buf_wifly.queue(wifi.getc());
+}
+
+void Wifly::attach_rx(bool callback) {
+    if (!callback)
+        wifi.attach(NULL);
+    else
+        wifi.attach(this, &Wifly::handler_rx);
+}
+
+
+int Wifly::send(const char * str, int len, const char * ACK, char * res) {
+    char read;
+    size_t found = string::npos;
+    string checking;
+    Timer tmr;
+    int result = 0;
+
+    DBG("will send: %s\r\n",str);
+
+    attach_rx(false);
+
+    //We flush the buffer
+    while (wifi.readable())
+        wifi.getc();
+
+    if (!ACK || !strcmp(ACK, "NO")) {
+        for (int i = 0; i < len; i++)
+            result = (putc(str[i]) == str[i]) ? result + 1 : result;
+    } else {
+        //We flush the buffer
+        while (wifi.readable())
+            wifi.getc();
+
+        tmr.start();
+        for (int i = 0; i < len; i++)
+            result = (putc(str[i]) == str[i]) ? result + 1 : result;
+
+        while (1) {
+            if (tmr.read() > 3) {
+                //We flush the buffer
+                while (wifi.readable())
+                    wifi.getc();
+
+                DBG("check: %s\r\n", checking.c_str());
+
+                attach_rx(true);
+                return -1;
+            } else if (wifi.readable()) {
+                read = wifi.getc();
+                if ( read != '\r' && read != '\n') {
+                    checking += read;
+                    found = checking.find(ACK);
+                    if (found != string::npos) {
+                        wait(0.01);
+
+                        //We flush the buffer
+                        while (wifi.readable())
+                            wifi.getc();
+
+                        break;
+                    }
+                }
+            }
+        }
+        DBG("check: %s\r\n", checking.c_str());
+
+        attach_rx(true);
+        return result;
+    }
+
+    //the user wants the result from the command (ACK == NULL, res != NULL)
+    if ( res != NULL) {
+        int i = 0;
+        Timer timeout;
+        timeout.start();
+        tmr.reset();
+        while (1) {
+            if (timeout.read() > 3) {
+                if (i == 0) {
+                    res = NULL;
+                    break;
+                }
+                res[i] = '\0';
+                DBG("user str 1: %s\r\n", res);
+
+                break;
+            } else {
+                if (tmr.read_ms() > 1000) {
+                    res[i] = '\0';
+                    DBG("user str: %s\r\n", res);
+
+                    break;
+                }
+                if (wifi.readable()) {
+                    tmr.start();
+                    read = wifi.getc();
+
+                    // we drop \r and \n
+                    if ( read != '\r' && read != '\n') {
+                        res[i++] = read;
+                    }
+                }
+            }
+        }
+        DBG("user str: %s\r\n", res);
+    }
+
+    //We flush the buffer
+    while (wifi.readable())
+        wifi.getc();
+
+    attach_rx(true);
+    DBG("result: %d\r\n", result)
+    return result;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Wifly/Wifly.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,193 @@
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * @section DESCRIPTION
+ *
+ * Wifly RN131-C, wifi module
+ *
+ * Datasheet:
+ *
+ * http://dlnmh9ip6v2uc.cloudfront.net/datasheets/Wireless/WiFi/WiFly-RN-UM.pdf
+ */
+
+#ifndef WIFLY_H
+#define WIFLY_H
+
+#include "mbed.h"
+#include "CBuffer.h"
+
+class Wifly {
+
+public:
+    /*
+    * Constructor for joining open, wep or wpa secured networks
+    *
+    * @param tx mbed pin to use for tx line of Serial interface
+    * @param rx mbed pin to use for rx line of Serial interface
+    * @param reset reset pin of the wifi module ()
+    * @param tcp_status connection status pin of the wifi module (GPIO 6)
+    * @param ssid ssid of the network
+    * @param phrase WEP or WPA key
+    * @param wpa true if wpa security false otherwise
+    */
+    Wifly(  PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa);
+
+    /*
+    * Send a string to the wifi module by serial port. This function desactivates the user interrupt handler when a character is received to analyze the response from the wifi module.
+    * Useful to send a command to the module and wait a response.
+    *
+    *
+    * @param str string to be sent
+    * @param len string length
+    * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknoledged. (default: "NO")
+    * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL)
+    *
+    * @return true if ACK has been found in the response from the wifi module. False otherwise or if there is no response in 5s.
+    */
+    int send(const char * str, int len, const char * ACK = NULL, char * res = NULL);
+
+    /*
+    * Connect the wifi module to the ssid contained in the constructor.
+    *
+    * @return true if connected, false otherwise
+    */
+    bool join();
+    
+    /*
+    * Close a connection with the access point
+    *
+    * @ returns true if successful
+    */
+    bool leave();
+
+    /*
+    * Read a string if available
+    *
+    *@param str pointer where will be stored the string read
+    */
+    bool read(char * str);
+
+    /*
+    * Reset the wifi module
+    */
+    void reset();
+
+    /*
+    * Check if characters are available
+    *
+    * @return number of available characters
+    */
+    int readable();
+    
+    /*
+    * Check if characters are available
+    *
+    * @return number of available characters
+    */
+    int writeable();
+    
+    /*
+    * Check if a tcp link is active
+    *
+    * @returns true if successful
+    */
+    bool is_connected();
+
+    /*
+    * Read a character
+    *
+    * @return the character read
+    */
+    char getc();
+
+    /*
+    * Flush the buffer
+    */
+    void flush();
+
+    /*
+    * Write a character
+    *
+    * @param the character which will be written
+    */
+    int putc(char c);
+
+
+    /*
+    * To enter in command mode (we can configure the module)
+    *
+    * @return true if successful, false otherwise
+    */
+    bool cmdMode();
+
+    /*
+    * To exit the command mode
+    *
+    * @return true if successful, false otherwise
+    */
+    bool exit();
+    
+    /*
+    * Close a tcp connection
+    *
+    * @ returns true if successful
+    */
+    bool close();
+    
+    /*
+    * Reboot the module
+    *
+    * @returns true if successful
+    */
+    bool reboot();
+    
+    /*
+    * Send a command to the wify module. Check if the module is in command mode. If not enter in command mode
+    *
+    * @param str string to be sent
+    * @param ACK string which must be acknowledge by the wifi module. If ACK == NULL, no string has to be acknoledged. (default: "NO")
+    * @param res this field will contain the response from the wifi module, result of a command sent. This field is available only if ACK = "NO" AND res != NULL (default: NULL)
+    *
+    * @returns true if successful
+    */
+    bool sendCommand(const char * cmd, const char * ack = NULL, char * res = NULL);
+    
+    static Wifly * getInstance() {return inst;};
+
+protected:
+    Serial wifi;
+    DigitalOut reset_pin;
+    DigitalIn tcp_status;
+    bool wpa;
+    bool dhcp;
+    const char * phrase;
+    const char * ssid;
+    const char * ip;
+    const char * netmask;
+    const char * gateway;
+    int channel;
+    CircBuffer<char> buf_wifly;
+    
+    bool cmd_mode;
+    
+    static Wifly * inst;
+
+    void attach_rx(bool null);
+    void handler_rx(void);
+};
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WiflyInterface.cpp	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,51 @@
+#include "WiflyInterface.h"
+
+WiflyInterface::WiflyInterface(PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa) : 
+    Wifly(tx, rx, reset, tcp_status, ssid, phrase, wpa) {ip_set = false;}
+    
+int WiflyInterface::init() {
+    dhcp = true;
+    reset();
+    return 0;
+}
+
+int WiflyInterface::init(const char* ip, const char* mask, const char* gateway) {
+    dhcp = false;
+    this->ip = ip;
+    strcpy(ip_string, ip);
+    ip_set = true;
+    this->netmask = mask;
+    this->gateway = gateway;
+    
+    reset();
+    return 0;
+}
+
+int WiflyInterface::connect() {
+    return join();
+}
+
+int WiflyInterface::disconnect() {
+    return leave();
+}
+
+char * WiflyInterface::getIPAddress() {
+    char * match = 0;
+    if (!ip_set) {
+        sendCommand("get ip a\r", NULL, ip_string);
+        exit();
+        match = strstr(ip_string, "<");
+        if (match != NULL) {
+            *match = '\0';
+        }
+        if (strlen(ip_string) < 6) {
+            match = strstr(ip_string, ">");
+            if (match != NULL) {
+                int len = strlen(match + 1);
+                memcpy(ip_string, match + 1, len);
+            }
+        }
+        ip_set = true;
+    }
+    return ip_string;
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WiflyInterface.h	Fri Aug 17 08:28:04 2012 +0000
@@ -0,0 +1,75 @@
+/* WiflyInterface.h */
+/* Copyright (C) 2012 mbed.org, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+ 
+#ifndef WIFLYINTERFACE_H_
+#define WIFLYINTERFACE_H_
+
+#include "Wifly.h"
+
+ /** Interface using Wifly to connect to an IP-based network
+ *
+ */
+class WiflyInterface: public Wifly {
+public:
+
+  WiflyInterface(PinName tx, PinName rx, PinName reset, PinName tcp_status, const char * ssid, const char * phrase, bool wpa = true);
+
+  /** Initialize the interface with DHCP.
+  * Initialize the interface and configure it to use DHCP (no connection at this point).
+  * \return 0 on success, a negative number on failure
+  */
+  int init(); //With DHCP
+
+  /** Initialize the interface with a static IP address.
+  * Initialize the interface and configure it with the following static configuration (no connection at this point).
+  * \param ip the IP address to use
+  * \param mask the IP address mask
+  * \param gateway the gateway to use
+  * \return 0 on success, a negative number on failure
+  */
+  int init(const char* ip, const char* mask, const char* gateway);
+
+  /** Connect
+  * Bring the interface up, start DHCP if needed.
+  * \return 0 on success, a negative number on failure
+  */
+  int connect();
+  
+  /** Disconnect
+  * Bring the interface down
+  * \return 0 on success, a negative number on failure
+  */
+  int disconnect();
+  
+  /** Get IP address
+  *
+  * @ returns ip address
+  */
+  char* getIPAddress();
+  
+private:
+    char ip_string[30];
+    bool ip_set;
+};
+
+#include "TCPSocketConnection.h"
+#include "TCPSocketServer.h"
+#include "UDPSocket.h"
+
+#endif /* WIFLYINTERFACE_H_ */