Moved WiFi library in the proper place

12 files changed, 2002 insertions, 0 deletions

diff --git a/libraries/WiFi/utility/debug.h b/libraries/WiFi/utility/debug.h
new file mode 100644
index 0000000..9f71055
--- /dev/null
+++ b/libraries/WiFi/utility/debug.h
@@ -0,0 +1,77 @@
+//*********************************************/
+// 
+//  File:   debug.h
+// 
+//  Author: dlf (Metodo2 srl)
+// 
+//********************************************/
+
+
+#ifndef Debug_H
+#define Debug_H
+
+#include <stdio.h>
+#include <string.h>
+
+#define PRINT_FILE_LINE() do { 						\
+		Serial.print("[");Serial.print(__FILE__);		\
+		Serial.print("::");Serial.print(__LINE__);Serial.print("]");\
+}while (0);
+
+#ifdef _DEBUG_
+
+#define INFO(format, args...) do { \
+	char buf[250];	\
+	sprintf(buf, format, args); \
+	Serial.println(buf); \
+} while(0);
+
+#define INFO1(x) do { PRINT_FILE_LINE() Serial.print("-I-");\
+		Serial.println(x);    			\
+}while (0);
+
+
+#define INFO2(x,y) do { PRINT_FILE_LINE() Serial.print("-I-");\
+		Serial.print(x,16);Serial.print(",");Serial.println(y,16); \
+}while (0);
+
+
+#else
+#define INFO1(x) do {} while(0);
+#define INFO2(x,y) do {} while(0);
+#define INFO(format, args...) do {} while(0);
+#endif
+
+#if 0
+#define WARN(args) do { PRINT_FILE_LINE()			\
+		Serial.print("-W-"); Serial.println(args);	\
+}while (0);
+#else
+#define WARN(args) do {} while (0);
+#endif
+
+#if _DEBUG_SPI_
+#define DBG_PIN2 5
+#define DBG_PIN 4
+
+#define START()         digitalWrite(DBG_PIN2, HIGH);
+#define END()           digitalWrite(DBG_PIN2, LOW);
+#define SET_TRIGGER()   digitalWrite(DBG_PIN, HIGH);
+#define RST_TRIGGER()   digitalWrite(DBG_PIN, LOW);
+
+#define INIT_TRIGGER()  pinMode(DBG_PIN, OUTPUT); \
+                        pinMode(DBG_PIN2, OUTPUT); \
+                        RST_TRIGGER()
+#define TOGGLE_TRIGGER() SET_TRIGGER() \
+                           delayMicroseconds(2);    \
+                               RST_TRIGGER()
+#else
+#define START()
+#define END()
+#define SET_TRIGGER()
+#define RST_TRIGGER()
+#define INIT_TRIGGER()
+#define TOGGLE_TRIGGER()
+#endif
+
+#endif
diff --git a/libraries/WiFi/utility/server_drv.cpp b/libraries/WiFi/utility/server_drv.cpp
new file mode 100644
index 0000000..ce03604
--- /dev/null
+++ b/libraries/WiFi/utility/server_drv.cpp
@@ -0,0 +1,260 @@
+//#define _DEBUG_

+

+#include "server_drv.h"

+

+#include "Arduino.h"

+#include "spi_drv.h"

+

+extern "C" {

+#include "wl_types.h"

+#include "debug.h"

+}

+

+

+// Start server TCP on port specified

+void ServerDrv::startServer(uint16_t port, uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(START_SERVER_TCP_CMD, PARAM_NUMS_2);

+    SpiDrv::sendParam(port);

+    SpiDrv::sendParam(&sock, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(START_SERVER_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+}

+

+// Start server TCP on port specified

+void ServerDrv::startClient(uint32_t ipAddress, uint16_t port, uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(START_CLIENT_TCP_CMD, PARAM_NUMS_3);

+    SpiDrv::sendParam((uint8_t*)&ipAddress, sizeof(ipAddress));

+    SpiDrv::sendParam(port);

+    SpiDrv::sendParam(&sock, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(START_CLIENT_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+}

+

+// Start server TCP on port specified

+void ServerDrv::stopClient(uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(STOP_CLIENT_TCP_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam(&sock, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(STOP_CLIENT_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+}

+

+

+uint8_t ServerDrv::getServerState(uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_STATE_TCP_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam(&sock, sizeof(sock), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(GET_STATE_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+   return _data;

+}

+

+uint8_t ServerDrv::getClientState(uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_CLIENT_STATE_TCP_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam(&sock, sizeof(sock), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(GET_CLIENT_STATE_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+   return _data;

+}

+

+uint8_t ServerDrv::availData(uint8_t sock)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(AVAIL_DATA_TCP_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam(&sock, sizeof(sock), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(AVAIL_DATA_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+

+    if (_dataLen!=0)

+    {

+        return (_data == 1);

+    }

+    return false;

+}

+

+bool ServerDrv::getData(uint8_t sock, uint8_t *data, uint8_t peek)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_DATA_TCP_CMD, PARAM_NUMS_2);

+    SpiDrv::sendParam(&sock, sizeof(sock));

+    SpiDrv::sendParam(peek, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseData8(GET_DATA_TCP_CMD, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+    if (_dataLen!=0)

+    {

+        *data = _data;

+        return true;

+    }

+    return false;

+}

+

+bool ServerDrv::getDataBuf(uint8_t sock, uint8_t *_data, uint16_t *_dataLen)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_DATABUF_TCP_CMD, PARAM_NUMS_1);

+    SpiDrv::sendBuffer(&sock, sizeof(sock), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    if (!SpiDrv::waitResponseData16(GET_DATABUF_TCP_CMD, _data, _dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+    if (*_dataLen!=0)

+    {

+        return true;

+    }

+    return false;

+}

+

+

+bool ServerDrv::sendData(uint8_t sock, const uint8_t *data, uint16_t len)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(SEND_DATA_TCP_CMD, PARAM_NUMS_2);

+    SpiDrv::sendBuffer(&sock, sizeof(sock));

+    SpiDrv::sendBuffer((uint8_t *)data, len, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseData8(SEND_DATA_TCP_CMD, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+    if (_dataLen!=0)

+    {

+        return (_data == 1);

+    }

+    return false;

+}

+

+

+uint8_t ServerDrv::checkDataSent(uint8_t sock)

+{

+	const uint16_t TIMEOUT_DATA_SENT = 25;

+    uint16_t timeout = 0;

+	uint8_t _data = 0;

+	uint8_t _dataLen = 0;

+

+	do {

+		WAIT_FOR_SLAVE_SELECT();

+		// Send Command

+		SpiDrv::sendCmd(DATA_SENT_TCP_CMD, PARAM_NUMS_1);

+		SpiDrv::sendParam(&sock, sizeof(sock), LAST_PARAM);

+

+		//Wait the reply elaboration

+		SpiDrv::waitForSlaveReady();

+

+		// Wait for reply

+		if (!SpiDrv::waitResponseCmd(DATA_SENT_TCP_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+		{

+			WARN("error waitResponse isDataSent");

+		}

+		SpiDrv::spiSlaveDeselect();

+

+		if (_data) timeout = 0;

+		else{

+			++timeout;

+			delay(100);

+		}

+

+	}while((_data==0)&&(timeout<TIMEOUT_DATA_SENT));

+    return (timeout==TIMEOUT_DATA_SENT)?0:1;

+}

+

+ServerDrv serverDrv;

diff --git a/libraries/WiFi/utility/server_drv.h b/libraries/WiFi/utility/server_drv.h
new file mode 100644
index 0000000..69ba593
--- /dev/null
+++ b/libraries/WiFi/utility/server_drv.h
@@ -0,0 +1,34 @@
+#ifndef Server_Drv_h

+#define Server_Drv_h

+

+#include <inttypes.h>

+#include "wifi_spi.h"

+

+class ServerDrv

+{

+public:

+    // Start server TCP on port specified

+    static void startServer(uint16_t port, uint8_t sock);

+

+    static void startClient(uint32_t ipAddress, uint16_t port, uint8_t sock);

+

+    static void stopClient(uint8_t sock);

+                                                                                  

+    static uint8_t getServerState(uint8_t sock);

+

+    static uint8_t getClientState(uint8_t sock);

+

+    static bool getData(uint8_t sock, uint8_t *data, uint8_t peek = 0);

+

+    static bool getDataBuf(uint8_t sock, uint8_t *data, uint16_t *len);

+

+    static bool sendData(uint8_t sock, const uint8_t *data, uint16_t len);

+

+    static uint8_t availData(uint8_t sock);

+

+    static uint8_t checkDataSent(uint8_t sock);

+};

+

+extern ServerDrv serverDrv;

+

+#endif

diff --git a/libraries/WiFi/utility/socket.c b/libraries/WiFi/utility/socket.c
new file mode 100644
index 0000000..665073b
--- /dev/null
+++ b/libraries/WiFi/utility/socket.c
@@ -0,0 +1,20 @@
+/*

+*

+@file		socket.c

+@brief	define function of socket API 

+*

+*/

+#include <inttypes.h>

+#include "socket.h"

+

+SOCKET socket(uint8 protocol) {return 0;} // Opens a socket(TCP or UDP or IP_RAW mode)

+void close(SOCKET s) {} // Close socket

+uint8 connect(SOCKET s, uint8 * addr, uint16 port) {return 0;} // Establish TCP connection (Active connection)

+void disconnect(SOCKET s) {} // disconnect the connection

+uint8 listen(SOCKET s) { return 0;}	// Establish TCP connection (Passive connection)

+uint16 send(SOCKET s, const uint8 * buf, uint16 len) { return 0;} // Send data (TCP)

+uint16 recv(SOCKET s, uint8 * buf, uint16 len) {return 0;}	// Receive data (TCP)

+uint16 sendto(SOCKET s, const uint8 * buf, uint16 len, uint8 * addr, uint16 port) {return 0;} // Send data (UDP/IP RAW)

+uint16 recvfrom(SOCKET s, uint8 * buf, uint16 len, uint8 * addr, uint16  *port) {return 0;} // Receive data (UDP/IP RAW)

+

+uint16 igmpsend(SOCKET s, const uint8 * buf, uint16 len) {return 0;}

diff --git a/libraries/WiFi/utility/socket.h b/libraries/WiFi/utility/socket.h
new file mode 100644
index 0000000..9b06d00
--- /dev/null
+++ b/libraries/WiFi/utility/socket.h
@@ -0,0 +1,87 @@
+/*

+*

+@file		socket.h

+@brief	define function of socket API 

+*

+*/

+

+#ifndef	_SOCKET_H_

+#define	_SOCKET_H_

+

+#define TCP_SOCKET  1

+#define UDP_SOCKET  2

+#define RAW_SOCKET  3

+

+#define SOCK_NOT_AVAIL  255

+

+#include "wl_definitions.h"

+/**

+ * The 8-bit signed data type.

+ */

+typedef char int8;

+/**

+ * The volatile 8-bit signed data type.

+ */

+typedef volatile char vint8;

+/**

+ * The 8-bit unsigned data type.

+ */

+typedef unsigned char uint8;

+/**

+ * The volatile 8-bit unsigned data type.

+ */

+typedef volatile unsigned char vuint8;

+

+/**

+ * The 16-bit signed data type.

+ */

+typedef int int16;

+/**

+ * The volatile 16-bit signed data type.

+ */

+typedef volatile int vint16;

+/**

+ * The 16-bit unsigned data type.

+ */

+typedef unsigned int uint16;

+/**

+ * The volatile 16-bit unsigned data type.

+ */

+typedef volatile unsigned int vuint16;

+/**

+ * The 32-bit signed data type.

+ */

+typedef long int32;

+/**

+ * The volatile 32-bit signed data type.

+ */

+typedef volatile long vint32;

+/**

+ * The 32-bit unsigned data type.

+ */

+typedef unsigned long uint32;

+/**

+ * The volatile 32-bit unsigned data type.

+ */

+typedef volatile unsigned long vuint32;

+

+/* bsd */

+typedef uint8			u_char;		/**< 8-bit value */

+typedef uint16_t 			SOCKET;

+typedef uint16			u_short;	/**< 16-bit value */

+typedef uint16			u_int;		/**< 16-bit value */

+typedef uint32			u_long;		/**< 32-bit value */

+

+extern SOCKET socket(uint8 protocol); // Opens a socket(TCP or UDP or IP_RAW mode)

+extern void close(SOCKET s); // Close socket

+extern uint8 connect(SOCKET s, uint8 * addr, uint16 port); // Establish TCP connection (Active connection)

+extern void disconnect(SOCKET s); // disconnect the connection

+extern uint8 listen(SOCKET s);	// Establish TCP connection (Passive connection)

+extern uint16 send(SOCKET s, const uint8 * buf, uint16 len); // Send data (TCP)

+extern uint16 recv(SOCKET s, uint8 * buf, uint16 len);	// Receive data (TCP)

+extern uint16 sendto(SOCKET s, const uint8 * buf, uint16 len, uint8 * addr, uint16 port); // Send data (UDP/IP RAW)

+extern uint16 recvfrom(SOCKET s, uint8 * buf, uint16 len, uint8 * addr, uint16  *port); // Receive data (UDP/IP RAW)

+

+extern uint16 igmpsend(SOCKET s, const uint8 * buf, uint16 len);

+#endif

+/* _SOCKET_H_ */

diff --git a/libraries/WiFi/utility/spi_drv.cpp b/libraries/WiFi/utility/spi_drv.cpp
new file mode 100644
index 0000000..12a320b
--- /dev/null
+++ b/libraries/WiFi/utility/spi_drv.cpp
@@ -0,0 +1,506 @@
+
+#include "Arduino.h"
+#include "spi_drv.h"                   
+#include "pins_arduino.h"
+//#define _DEBUG_
+extern "C" {
+#include "debug.h"
+}
+
+#define DATAOUT 	11 // MOSI
+#define DATAIN  	12 // MISO
+#define SPICLOCK  	13 // sck
+#define SLAVESELECT 10 // ss
+#define SLAVEREADY 	7  // handshake pin
+#define WIFILED 	9  // led on wifi shield
+
+#define DELAY_100NS do { asm volatile("nop"); }while(0);
+#define DELAY_SPI(X) { int ii=0; do {  asm volatile("nop"); }while(++ii<X);}
+#define DELAY_TRANSFER() DELAY_SPI(10)
+
+void SpiDrv::begin()
+{
+	  // Set direction register for SCK and MOSI pin.
+	  // MISO pin automatically overrides to INPUT.
+	  // When the SS pin is set as OUTPUT, it can be used as
+	  // a general purpose output port (it doesn't influence
+	  // SPI operations).
+
+	  pinMode(SCK, OUTPUT);
+	  pinMode(MOSI, OUTPUT);
+	  pinMode(SS, OUTPUT);
+	  pinMode(SLAVESELECT, OUTPUT);
+	  pinMode(SLAVEREADY, INPUT);
+	  pinMode(WIFILED, OUTPUT);
+
+	  digitalWrite(SCK, LOW);
+	  digitalWrite(MOSI, LOW);
+	  digitalWrite(SS, HIGH);
+	  digitalWrite(SLAVESELECT, HIGH);
+	  digitalWrite(WIFILED, LOW);
+
+#ifdef _DEBUG_
+	  INIT_TRIGGER()
+#endif
+
+	  // Warning: if the SS pin ever becomes a LOW INPUT then SPI
+	  // automatically switches to Slave, so the data direction of
+	  // the SS pin MUST be kept as OUTPUT.
+	  SPCR |= _BV(MSTR);
+	  SPCR |= _BV(SPE);
+	  //SPSR |= _BV(SPI2X);
+}
+
+void SpiDrv::end() {
+  SPCR &= ~_BV(SPE);
+}
+
+void SpiDrv::spiSlaveSelect()
+{
+    digitalWrite(SLAVESELECT,LOW);
+}
+
+
+void SpiDrv::spiSlaveDeselect()
+{
+    digitalWrite(SLAVESELECT,HIGH);
+}
+
+void delaySpi()
+{
+	int i = 0;
+	const int DELAY = 1000;
+	for (;i<DELAY;++i)
+	{
+		int a =a+1;
+	}
+}
+
+char SpiDrv::spiTransfer(volatile char data)
+{
+    SPDR = data;                    // Start the transmission
+    while (!(SPSR & (1<<SPIF)))     // Wait the end of the transmission
+    {
+    };
+    char result = SPDR;
+    DELAY_TRANSFER();
+
+    return result;                    // return the received byte
+}
+
+int SpiDrv::waitSpiChar(unsigned char waitChar)
+{
+    int timeout = TIMEOUT_CHAR;
+    unsigned char _readChar = 0;
+    do{
+        _readChar = readChar(); //get data byte
+        if (_readChar == ERR_CMD)
+        {
+        	WARN("Err cmd received\n");
+        	return -1;
+        }
+    }while((timeout-- > 0) && (_readChar != waitChar));
+    return  (_readChar == waitChar);
+}
+
+int SpiDrv::readAndCheckChar(char checkChar, char* readChar)
+{
+    getParam((uint8_t*)readChar);
+
+    return  (*readChar == checkChar);
+}
+
+char SpiDrv::readChar()
+{
+	uint8_t readChar = 0;
+	getParam(&readChar);
+	return readChar;
+}
+
+#define WAIT_START_CMD(x) waitSpiChar(START_CMD)
+
+#define IF_CHECK_START_CMD(x)                      \
+    if (!WAIT_START_CMD(_data))                 \
+    {                                           \
+        TOGGLE_TRIGGER()                        \
+        WARN("Error waiting START_CMD");        \
+        return 0;                               \
+    }else                                       \
+
+#define CHECK_DATA(check, x)                   \
+        if (!readAndCheckChar(check, &x))   \
+        {                                               \
+        	TOGGLE_TRIGGER()                        \
+            WARN("Reply error");                        \
+            INFO2(check, (uint8_t)x);							\
+            return 0;                                   \
+        }else                                           \
+
+#define waitSlaveReady() (digitalRead(SLAVEREADY) == LOW)
+#define waitSlaveSign() (digitalRead(SLAVEREADY) == HIGH)
+#define waitSlaveSignalH() while(digitalRead(SLAVEREADY) != HIGH){}
+#define waitSlaveSignalL() while(digitalRead(SLAVEREADY) != LOW){}
+
+void SpiDrv::waitForSlaveSign()
+{
+	while (!waitSlaveSign());
+}
+
+void SpiDrv::waitForSlaveReady()
+{
+	while (!waitSlaveReady());
+}
+
+void SpiDrv::getParam(uint8_t* param)
+{
+    // Get Params data
+    *param = spiTransfer(DUMMY_DATA);
+    DELAY_TRANSFER();
+}
+
+int SpiDrv::waitResponseCmd(uint8_t cmd, uint8_t numParam, uint8_t* param, uint8_t* param_len)
+{
+    char _data = 0;
+    int ii = 0;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        CHECK_DATA(numParam, _data);
+        {
+            readParamLen8(param_len);
+            for (ii=0; ii<(*param_len); ++ii)
+            {
+                // Get Params data
+                //param[ii] = spiTransfer(DUMMY_DATA);
+                getParam(&param[ii]);
+            } 
+        }         
+
+        readAndCheckChar(END_CMD, &_data);
+    }     
+    
+    return 1;
+}
+/*
+int SpiDrv::waitResponse(uint8_t cmd, uint8_t numParam, uint8_t* param, uint16_t* param_len)
+{
+    char _data = 0;
+    int i =0, ii = 0;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        CHECK_DATA(numParam, _data);
+        {
+            readParamLen16(param_len);
+            for (ii=0; ii<(*param_len); ++ii)
+            {
+                // Get Params data
+                param[ii] = spiTransfer(DUMMY_DATA);
+            } 
+        }         
+
+        readAndCheckChar(END_CMD, &_data);
+    }     
+    
+    return 1;
+}
+*/
+
+int SpiDrv::waitResponseData16(uint8_t cmd, uint8_t* param, uint16_t* param_len)
+{
+    char _data = 0;
+    uint16_t ii = 0;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        uint8_t numParam = readChar();
+        if (numParam != 0)
+        {        
+            readParamLen16(param_len);
+            for (ii=0; ii<(*param_len); ++ii)
+            {
+                // Get Params data
+                param[ii] = spiTransfer(DUMMY_DATA);
+            } 
+        }         
+
+        readAndCheckChar(END_CMD, &_data);
+    }     
+    
+    return 1;
+}
+
+int SpiDrv::waitResponseData8(uint8_t cmd, uint8_t* param, uint8_t* param_len)
+{
+    char _data = 0;
+    int ii = 0;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        uint8_t numParam = readChar();
+        if (numParam != 0)
+        {        
+            readParamLen8(param_len);
+            for (ii=0; ii<(*param_len); ++ii)
+            {
+                // Get Params data
+                param[ii] = spiTransfer(DUMMY_DATA);
+            } 
+        }         
+
+        readAndCheckChar(END_CMD, &_data);
+    }     
+    
+    return 1;
+}
+
+int SpiDrv::waitResponseParams(uint8_t cmd, uint8_t numParam, tParam* params)
+{
+    char _data = 0;
+    int i =0, ii = 0;
+
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        uint8_t _numParam = readChar();
+        if (_numParam != 0)
+        {        
+            for (i=0; i<_numParam; ++i)
+            {
+                params[i].paramLen = readParamLen8();
+                for (ii=0; ii<params[i].paramLen; ++ii)
+                {
+                    // Get Params data
+                    params[i].param[ii] = spiTransfer(DUMMY_DATA);
+                } 
+            }
+        } else
+        {
+            WARN("Error numParam == 0");
+            return 0;
+        }
+
+        if (numParam != _numParam)
+        {
+            WARN("Mismatch numParam");
+            return 0;
+        }
+
+        readAndCheckChar(END_CMD, &_data);
+    }         
+    return 1;
+}
+
+/*
+int SpiDrv::waitResponse(uint8_t cmd, tParam* params, uint8_t* numParamRead, uint8_t maxNumParams)
+{
+    char _data = 0;
+    int i =0, ii = 0;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        uint8_t numParam = readChar();
+
+        if (numParam > maxNumParams)
+        {
+            numParam = maxNumParams;
+        }
+        *numParamRead = numParam;
+        if (numParam != 0)
+        {
+            for (i=0; i<numParam; ++i)
+            {
+                params[i].paramLen = readParamLen8();
+
+                for (ii=0; ii<params[i].paramLen; ++ii)
+                {
+                    // Get Params data
+                    params[i].param[ii] = spiTransfer(DUMMY_DATA);
+                } 
+            }
+        } else
+        {
+            WARN("Error numParams == 0");
+            Serial.println(cmd, 16);
+            return 0;
+        }
+        readAndCheckChar(END_CMD, &_data);
+    }         
+    return 1;
+}
+*/
+
+int SpiDrv::waitResponse(uint8_t cmd, uint8_t* numParamRead, uint8_t** params, uint8_t maxNumParams)
+{
+    char _data = 0;
+    int i =0, ii = 0;
+
+    char    *index[WL_SSID_MAX_LENGTH];
+
+    for (i = 0 ; i < WL_NETWORKS_LIST_MAXNUM ; i++)
+            index[i] = (char *)params + WL_SSID_MAX_LENGTH*i;
+
+    IF_CHECK_START_CMD(_data)
+    {
+        CHECK_DATA(cmd | REPLY_FLAG, _data){};
+
+        uint8_t numParam = readChar();
+
+        if (numParam > maxNumParams)
+        {
+            numParam = maxNumParams;
+        }
+        *numParamRead = numParam;
+        if (numParam != 0)
+        {
+            for (i=0; i<numParam; ++i)
+            {
+            	uint8_t paramLen = readParamLen8();
+                for (ii=0; ii<paramLen; ++ii)
+                {
+                	//ssid[ii] = spiTransfer(DUMMY_DATA);
+                    // Get Params data
+                    index[i][ii] = (uint8_t)spiTransfer(DUMMY_DATA);
+
+                }
+                index[i][ii]=0;
+            }
+        } else
+        {
+            WARN("Error numParams == 0");
+            readAndCheckChar(END_CMD, &_data);
+            return 0;
+        }
+        readAndCheckChar(END_CMD, &_data);
+    }
+    return 1;
+}
+
+
+void SpiDrv::sendParam(uint8_t* param, uint8_t param_len, uint8_t lastParam)
+{
+    int i = 0;
+    // Send Spi paramLen
+    sendParamLen8(param_len);
+
+    // Send Spi param data
+    for (i=0; i<param_len; ++i)
+    {
+        spiTransfer(param[i]);
+    }
+
+    // if lastParam==1 Send Spi END CMD
+    if (lastParam == 1)
+        spiTransfer(END_CMD);
+}
+
+void SpiDrv::sendParamLen8(uint8_t param_len)
+{
+    // Send Spi paramLen
+    spiTransfer(param_len);
+}
+
+void SpiDrv::sendParamLen16(uint16_t param_len)
+{
+    // Send Spi paramLen
+    spiTransfer((uint8_t)((param_len & 0xff00)>>8));
+    spiTransfer((uint8_t)(param_len & 0xff));
+}
+
+uint8_t SpiDrv::readParamLen8(uint8_t* param_len)
+{
+    uint8_t _param_len = spiTransfer(DUMMY_DATA);
+    if (param_len != NULL)
+    {
+        *param_len = _param_len;
+    }
+    return _param_len;
+}
+
+uint16_t SpiDrv::readParamLen16(uint16_t* param_len)
+{
+    uint16_t _param_len = spiTransfer(DUMMY_DATA)<<8 | (spiTransfer(DUMMY_DATA)& 0xff);
+    if (param_len != NULL)
+    {
+        *param_len = _param_len;
+    }
+    return _param_len;
+}
+
+
+void SpiDrv::sendBuffer(uint8_t* param, uint16_t param_len, uint8_t lastParam)
+{
+    uint16_t i = 0;
+
+    // Send Spi paramLen
+    sendParamLen16(param_len);
+
+    // Send Spi param data
+    for (i=0; i<param_len; ++i)
+    {
+        spiTransfer(param[i]);
+    }
+
+    // if lastParam==1 Send Spi END CMD
+    if (lastParam == 1)
+        spiTransfer(END_CMD);
+}
+
+
+void SpiDrv::sendParam(uint16_t param, uint8_t lastParam)
+{
+    // Send Spi paramLen
+    sendParamLen8(2);
+
+    spiTransfer((uint8_t)((param & 0xff00)>>8));
+    spiTransfer((uint8_t)(param & 0xff));
+
+    // if lastParam==1 Send Spi END CMD
+    if (lastParam == 1)
+        spiTransfer(END_CMD);
+}
+
+/* Cmd Struct Message */
+/* _________________________________________________________________________________  */
+/*| START CMD | C/R  | CMD  |[TOT LEN]| N.PARAM | PARAM LEN | PARAM  | .. | END CMD | */
+/*|___________|______|______|_________|_________|___________|________|____|_________| */
+/*|   8 bit   | 1bit | 7bit |  8bit   |  8bit   |   8bit    | nbytes | .. |   8bit  | */
+/*|___________|______|______|_________|_________|___________|________|____|_________| */
+
+void SpiDrv::sendCmd(uint8_t cmd, uint8_t numParam)
+{
+    // Send Spi START CMD
+    spiTransfer(START_CMD);
+
+    //waitForSlaveSign();
+    //wait the interrupt trigger on slave
+    delayMicroseconds(SPI_START_CMD_DELAY);
+
+    // Send Spi C + cmd
+    spiTransfer(cmd & ~(REPLY_FLAG));
+
+    // Send Spi totLen
+    //spiTransfer(totLen);
+
+    // Send Spi numParam
+    spiTransfer(numParam);
+
+    // If numParam == 0 send END CMD
+    if (numParam == 0)
+        spiTransfer(END_CMD);
+
+}
+
+SpiDrv spiDrv;
diff --git a/libraries/WiFi/utility/spi_drv.h b/libraries/WiFi/utility/spi_drv.h
new file mode 100644
index 0000000..5c2e706
--- /dev/null
+++ b/libraries/WiFi/utility/spi_drv.h
@@ -0,0 +1,83 @@
+#ifndef SPI_Drv_h

+#define SPI_Drv_h

+

+#include <inttypes.h>

+#include "wifi_spi.h"

+

+#define SPI_START_CMD_DELAY 	12

+

+#define NO_LAST_PARAM   0

+#define LAST_PARAM      1

+

+#define DUMMY_DATA  0xFF

+

+#define WAIT_FOR_SLAVE_SELECT()	 \

+	SpiDrv::waitForSlaveReady(); \

+	SpiDrv::spiSlaveSelect();

+

+

+

+class SpiDrv

+{

+private:

+	//static bool waitSlaveReady();

+	static void waitForSlaveSign();

+	static void getParam(uint8_t* param);

+public:

+

+    static void begin();

+

+    static void end();

+    

+    static void spiDriverInit();

+        

+    static void spiSlaveSelect();

+    

+    static void spiSlaveDeselect();

+    

+    static char spiTransfer(volatile char data);

+

+    static void waitForSlaveReady();

+

+    //static int waitSpiChar(char waitChar, char* readChar);

+

+    static int waitSpiChar(unsigned char waitChar);

+    

+    static int readAndCheckChar(char checkChar, char* readChar);

+

+    static char readChar();

+

+    static int waitResponseParams(uint8_t cmd, uint8_t numParam, tParam* params);

+    

+    static int waitResponseCmd(uint8_t cmd, uint8_t numParam, uint8_t* param, uint8_t* param_len);

+

+    static int waitResponseData8(uint8_t cmd, uint8_t* param, uint8_t* param_len);

+     

+    static int waitResponseData16(uint8_t cmd, uint8_t* param, uint16_t* param_len);

+ /*

+    static int waitResponse(uint8_t cmd, tParam* params, uint8_t* numParamRead, uint8_t maxNumParams);

+    

+    static int waitResponse(uint8_t cmd, uint8_t numParam, uint8_t* param, uint16_t* param_len);

+*/

+    static int waitResponse(uint8_t cmd, uint8_t* numParamRead, uint8_t** params, uint8_t maxNumParams);

+

+    static void sendParam(uint8_t* param, uint8_t param_len, uint8_t lastParam = NO_LAST_PARAM);

+

+    static void sendParamLen8(uint8_t param_len);

+

+    static void sendParamLen16(uint16_t param_len);

+

+    static uint8_t readParamLen8(uint8_t* param_len = NULL);

+

+    static uint16_t readParamLen16(uint16_t* param_len = NULL);

+

+    static void sendBuffer(uint8_t* param, uint16_t param_len, uint8_t lastParam = NO_LAST_PARAM);

+

+    static void sendParam(uint16_t param, uint8_t lastParam = NO_LAST_PARAM);

+    

+    static void sendCmd(uint8_t cmd, uint8_t numParam);

+};                                                                 

+

+extern SpiDrv spiDrv;

+

+#endif

diff --git a/libraries/WiFi/utility/wifi_drv.cpp b/libraries/WiFi/utility/wifi_drv.cpp
new file mode 100644
index 0000000..1ca1696
--- /dev/null
+++ b/libraries/WiFi/utility/wifi_drv.cpp
@@ -0,0 +1,491 @@
+#include <stdio.h>

+#include <string.h>

+#include <stdint.h>

+

+#include "Arduino.h"

+#include "spi_drv.h"

+#include "wifi_drv.h"

+

+#define _DEBUG_

+

+extern "C" {

+#include "wifi_spi.h"

+#include "wl_types.h"

+#include "debug.h"

+}

+

+// Array of data to cache the information related to the networks discovered

+char 	WiFiDrv::_networkSsid[][WL_SSID_MAX_LENGTH] = {{"1"},{"2"},{"3"},{"4"},{"5"}};

+int32_t WiFiDrv::_networkRssi[WL_NETWORKS_LIST_MAXNUM] = { 0 };

+uint8_t WiFiDrv::_networkEncr[WL_NETWORKS_LIST_MAXNUM] = { 0 };

+

+// Cached values of retrieved data

+char 	WiFiDrv::_ssid[] = {0};

+uint8_t	WiFiDrv::_bssid[] = {0};

+uint8_t WiFiDrv::_mac[] = {0};

+uint8_t WiFiDrv::_localIp[] = {0};

+uint8_t WiFiDrv::_subnetMask[] = {0};

+uint8_t WiFiDrv::_gatewayIp[] = {0};

+// Firmware version

+char    WiFiDrv::fwVersion[] = {0};

+

+

+// Private Methods

+

+void WiFiDrv::getNetworkData(uint8_t *ip, uint8_t *mask, uint8_t *gwip)

+{

+    tParam params[PARAM_NUMS_3] = { {0, (char*)ip}, {0, (char*)mask}, {0, (char*)gwip}};

+

+    WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_IPADDR_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, sizeof(_dummy), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    SpiDrv::waitResponseParams(GET_IPADDR_CMD, PARAM_NUMS_3, params);

+

+    SpiDrv::spiSlaveDeselect();

+}

+

+// Public Methods

+

+

+void WiFiDrv::wifiDriverInit()

+{

+    SpiDrv::begin();

+}

+

+int8_t WiFiDrv::wifiSetNetwork(char* ssid, uint8_t ssid_len)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(SET_NET_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam((uint8_t*)ssid, ssid_len, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(SET_NET_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+        _data = WL_FAILURE;

+    }

+    SpiDrv::spiSlaveDeselect();

+

+    return(_data == WIFI_SPI_ACK) ? WL_SUCCESS : WL_FAILURE;

+}

+

+int8_t WiFiDrv::wifiSetPassphrase(char* ssid, uint8_t ssid_len, const char *passphrase, const uint8_t len)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(SET_PASSPHRASE_CMD, PARAM_NUMS_2);

+    SpiDrv::sendParam((uint8_t*)ssid, ssid_len, NO_LAST_PARAM);

+    SpiDrv::sendParam((uint8_t*)passphrase, len, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(SET_PASSPHRASE_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+        _data = WL_FAILURE;

+    }

+    SpiDrv::spiSlaveDeselect();

+    return _data;

+}

+

+

+int8_t WiFiDrv::wifiSetKey(char* ssid, uint8_t ssid_len, uint8_t key_idx, const void *key, const uint8_t len)

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(SET_KEY_CMD, PARAM_NUMS_3);

+    SpiDrv::sendParam((uint8_t*)ssid, ssid_len, NO_LAST_PARAM);

+    SpiDrv::sendParam(&key_idx, KEY_IDX_LEN, NO_LAST_PARAM);

+    SpiDrv::sendParam((uint8_t*)key, len, LAST_PARAM);

+    

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(SET_KEY_CMD, PARAM_NUMS_1, &_data, &_dataLen))

+    {

+        WARN("error waitResponse");

+        _data = WL_FAILURE;

+    }

+    SpiDrv::spiSlaveDeselect();

+    return _data;

+}

+                        

+int8_t WiFiDrv::disconnect()

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(DISCONNECT_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    int8_t result = SpiDrv::waitResponseCmd(DISCONNECT_CMD, PARAM_NUMS_1, &_data, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return result;

+}

+

+uint8_t WiFiDrv::getConnectionStatus()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_CONN_STATUS_CMD, PARAM_NUMS_0);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = -1;

+    uint8_t _dataLen = 0;

+    SpiDrv::waitResponseCmd(GET_CONN_STATUS_CMD, PARAM_NUMS_1, &_data, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return _data;

+}

+

+uint8_t* WiFiDrv::getMacAddress()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_MACADDR_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    SpiDrv::waitResponseCmd(GET_MACADDR_CMD, PARAM_NUMS_1, _mac, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return _mac;

+}

+

+void WiFiDrv::getIpAddress(IPAddress& ip)

+{

+	getNetworkData(_localIp, _subnetMask, _gatewayIp);

+	ip = _localIp;

+}

+

+ void WiFiDrv::getSubnetMask(IPAddress& mask)

+ {

+	getNetworkData(_localIp, _subnetMask, _gatewayIp);

+	mask = _subnetMask;

+ }

+

+ void WiFiDrv::getGatewayIP(IPAddress& ip)

+ {

+	getNetworkData(_localIp, _subnetMask, _gatewayIp);

+	ip = _gatewayIp;

+ }

+

+char* WiFiDrv::getCurrentSSID()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_CURR_SSID_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    SpiDrv::waitResponseCmd(GET_CURR_SSID_CMD, PARAM_NUMS_1, (uint8_t*)_ssid, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return _ssid;

+}

+

+uint8_t* WiFiDrv::getCurrentBSSID()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_CURR_BSSID_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    SpiDrv::waitResponseCmd(GET_CURR_BSSID_CMD, PARAM_NUMS_1, _bssid, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return _bssid;

+}

+

+int32_t WiFiDrv::getCurrentRSSI()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_CURR_RSSI_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    int32_t rssi = 0;

+    SpiDrv::waitResponseCmd(GET_CURR_RSSI_CMD, PARAM_NUMS_1, (uint8_t*)&rssi, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return rssi;

+}

+

+uint8_t WiFiDrv::getCurrentEncryptionType()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_CURR_ENCT_CMD, PARAM_NUMS_1);

+

+    uint8_t _dummy = DUMMY_DATA;

+    SpiDrv::sendParam(&_dummy, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t dataLen = 0;

+    uint8_t encType = 0;

+    SpiDrv::waitResponseCmd(GET_CURR_ENCT_CMD, PARAM_NUMS_1, (uint8_t*)&encType, &dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return encType;

+}

+

+int8_t WiFiDrv::startScanNetworks()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(START_SCAN_NETWORKS, PARAM_NUMS_0);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+

+    if (!SpiDrv::waitResponseCmd(START_SCAN_NETWORKS, PARAM_NUMS_1, &_data, &_dataLen))

+     {

+         WARN("error waitResponse");

+         _data = WL_FAILURE;

+     }

+

+    SpiDrv::spiSlaveDeselect();

+

+    return (_data == WL_FAILURE)? _data : WL_SUCCESS;

+}

+

+

+uint8_t WiFiDrv::getScanNetworks()

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(SCAN_NETWORKS, PARAM_NUMS_0);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t ssidListNum = 0;

+    SpiDrv::waitResponse(SCAN_NETWORKS, &ssidListNum, (uint8_t**)_networkSsid, WL_NETWORKS_LIST_MAXNUM);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return ssidListNum;

+}

+

+char* WiFiDrv::getSSIDNetoworks(uint8_t networkItem)

+{

+	if (networkItem >= WL_NETWORKS_LIST_MAXNUM)

+		return NULL;

+

+	return _networkSsid[networkItem];

+}

+

+uint8_t WiFiDrv::getEncTypeNetowrks(uint8_t networkItem)

+{

+	if (networkItem >= WL_NETWORKS_LIST_MAXNUM)

+		return NULL;

+

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_IDX_ENCT_CMD, PARAM_NUMS_1);

+

+    SpiDrv::sendParam(&networkItem, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t dataLen = 0;

+    uint8_t encType = 0;

+    SpiDrv::waitResponseCmd(GET_IDX_ENCT_CMD, PARAM_NUMS_1, (uint8_t*)&encType, &dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return encType;

+}

+

+int32_t WiFiDrv::getRSSINetoworks(uint8_t networkItem)

+{

+	if (networkItem >= WL_NETWORKS_LIST_MAXNUM)

+		return NULL;

+	int32_t	networkRssi = 0;

+

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(GET_IDX_RSSI_CMD, PARAM_NUMS_1);

+

+    SpiDrv::sendParam(&networkItem, 1, LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t dataLen = 0;

+    SpiDrv::waitResponseCmd(GET_IDX_RSSI_CMD, PARAM_NUMS_1, (uint8_t*)&networkRssi, &dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+	return networkRssi;

+}

+

+uint8_t WiFiDrv::reqHostByName(const char* aHostname)

+{

+	WAIT_FOR_SLAVE_SELECT();

+

+    // Send Command

+    SpiDrv::sendCmd(REQ_HOST_BY_NAME_CMD, PARAM_NUMS_1);

+    SpiDrv::sendParam((uint8_t*)aHostname, strlen(aHostname), LAST_PARAM);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _data = 0;

+    uint8_t _dataLen = 0;

+    uint8_t result = SpiDrv::waitResponseCmd(REQ_HOST_BY_NAME_CMD, PARAM_NUMS_1, &_data, &_dataLen);

+

+    SpiDrv::spiSlaveDeselect();

+

+    return result;

+}

+

+int WiFiDrv::getHostByName(IPAddress& aResult)

+{

+	uint8_t  _ipAddr[WL_IPV4_LENGTH];

+	IPAddress dummy(0xFF,0xFF,0xFF,0xFF);

+	int result = 0;

+

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_HOST_BY_NAME_CMD, PARAM_NUMS_0);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(GET_HOST_BY_NAME_CMD, PARAM_NUMS_1, _ipAddr, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }else{

+    	aResult = _ipAddr;

+    	result = (aResult != dummy);

+    }

+    SpiDrv::spiSlaveDeselect();

+    return result;

+}

+

+int WiFiDrv::getHostByName(const char* aHostname, IPAddress& aResult)

+{

+	uint8_t retry = 10;

+	if (reqHostByName(aHostname))

+	{

+		while(!getHostByName(aResult) && --retry > 0)

+		{

+			delay(1000);

+		}

+	}else{

+		return 0;

+	}

+	return (retry>0);

+}

+

+char*  WiFiDrv::getFwVersion()

+{

+	WAIT_FOR_SLAVE_SELECT();

+    // Send Command

+    SpiDrv::sendCmd(GET_FW_VERSION_CMD, PARAM_NUMS_0);

+

+    //Wait the reply elaboration

+    SpiDrv::waitForSlaveReady();

+

+    // Wait for reply

+    uint8_t _dataLen = 0;

+    if (!SpiDrv::waitResponseCmd(GET_FW_VERSION_CMD, PARAM_NUMS_1, (uint8_t*)fwVersion, &_dataLen))

+    {

+        WARN("error waitResponse");

+    }

+    SpiDrv::spiSlaveDeselect();

+    return fwVersion;

+}

+

+WiFiDrv wiFiDrv;

diff --git a/libraries/WiFi/utility/wifi_drv.h b/libraries/WiFi/utility/wifi_drv.h
new file mode 100644
index 0000000..c4f04db
--- /dev/null
+++ b/libraries/WiFi/utility/wifi_drv.h
@@ -0,0 +1,219 @@
+#ifndef WiFi_Drv_h

+#define WiFi_Drv_h

+

+#include <inttypes.h>

+#include "wifi_spi.h"

+#include "IPAddress.h"

+

+// Key index length

+#define KEY_IDX_LEN     1

+// 5 secs of delay to have the connection established

+#define WL_DELAY_START_CONNECTION 5000

+// firmware version string length

+#define WL_FW_VER_LENGTH 6

+

+class WiFiDrv

+{

+private:

+	// settings of requested network

+	static char 	_networkSsid[WL_NETWORKS_LIST_MAXNUM][WL_SSID_MAX_LENGTH];

+	static int32_t 	_networkRssi[WL_NETWORKS_LIST_MAXNUM];

+	static uint8_t 	_networkEncr[WL_NETWORKS_LIST_MAXNUM];

+

+	// firmware version string in the format a.b.c

+	static char 	fwVersion[WL_FW_VER_LENGTH];

+

+	// settings of current selected network

+	static char 	_ssid[WL_SSID_MAX_LENGTH];

+	static uint8_t 	_bssid[WL_MAC_ADDR_LENGTH];

+	static uint8_t 	_mac[WL_MAC_ADDR_LENGTH];

+	static uint8_t  _localIp[WL_IPV4_LENGTH];

+	static uint8_t  _subnetMask[WL_IPV4_LENGTH];

+	static uint8_t  _gatewayIp[WL_IPV4_LENGTH];

+

+	/*

+	 * Get network Data information

+	 */

+    static void getNetworkData(uint8_t *ip, uint8_t *mask, uint8_t *gwip);

+

+    static uint8_t reqHostByName(const char* aHostname);

+

+    static int getHostByName(IPAddress& aResult);

+

+public:

+

+    /*

+     * Driver initialization

+     */

+    static void wifiDriverInit();

+

+    /*

+     * Set the desired network which the connection manager should try to

+     * connect to.

+     *

+     * The ssid of the desired network should be specified.

+     *

+     * param ssid: The ssid of the desired network.

+     * param ssid_len: Lenght of ssid string.

+     * return: WL_SUCCESS or WL_FAILURE

+	 */

+    static int8_t wifiSetNetwork(char* ssid, uint8_t ssid_len);

+

+    /* Start Wifi connection with passphrase

+     * the most secure supported mode will be automatically selected

+     *

+     * param ssid: Pointer to the SSID string.

+     * param ssid_len: Lenght of ssid string.

+     * param passphrase: Passphrase. Valid characters in a passphrase

+     *        must be between ASCII 32-126 (decimal).

+     * param len: Lenght of passphrase string.

+     * return: WL_SUCCESS or WL_FAILURE

+     */

+    static int8_t wifiSetPassphrase(char* ssid, uint8_t ssid_len, const char *passphrase, const uint8_t len);

+

+    /* Start Wifi connection with WEP encryption.

+     * Configure a key into the device. The key type (WEP-40, WEP-104)

+     * is determined by the size of the key (5 bytes for WEP-40, 13 bytes for WEP-104).

+     *

+     * param ssid: Pointer to the SSID string.

+     * param ssid_len: Lenght of ssid string.

+     * param key_idx: The key index to set. Valid values are 0-3.

+     * param key: Key input buffer.

+     * param len: Lenght of key string.

+     * return: WL_SUCCESS or WL_FAILURE

+     */

+    static int8_t wifiSetKey(char* ssid, uint8_t ssid_len, uint8_t key_idx, const void *key, const uint8_t len);

+

+    /*

+     * Disconnect from the network

+     *

+     * return: WL_SUCCESS or WL_FAILURE

+     */

+    static int8_t disconnect();

+

+    /*

+     * Disconnect from the network

+     *

+     * return: one value of wl_status_t enum

+     */

+    static uint8_t getConnectionStatus();

+

+    /*

+     * Get the interface MAC address.

+     *

+     * return: pointer to uint8_t array with length WL_MAC_ADDR_LENGTH

+     */

+    static uint8_t* getMacAddress();

+

+    /*

+     * Get the interface IP address.

+     *

+     * return: copy the ip address value in IPAddress object

+     */

+    static void getIpAddress(IPAddress& ip);

+

+    /*

+     * Get the interface subnet mask address.

+     *

+     * return: copy the subnet mask address value in IPAddress object

+     */

+    static void getSubnetMask(IPAddress& mask);

+

+    /*

+     * Get the gateway ip address.

+     *

+     * return: copy the gateway ip address value in IPAddress object

+     */

+    static void getGatewayIP(IPAddress& ip);

+

+    /*

+     * Return the current SSID associated with the network

+     *

+     * return: ssid string

+     */

+    static char* getCurrentSSID();

+

+    /*

+     * Return the current BSSID associated with the network.

+     * It is the MAC address of the Access Point

+     *

+     * return: pointer to uint8_t array with length WL_MAC_ADDR_LENGTH

+     */

+    static uint8_t* getCurrentBSSID();

+

+    /*

+     * Return the current RSSI /Received Signal Strength in dBm)

+     * associated with the network

+     *

+     * return: signed value

+     */

+    static int32_t getCurrentRSSI();

+

+    /*

+     * Return the Encryption Type associated with the network

+     *

+     * return: one value of wl_enc_type enum

+     */

+    static uint8_t getCurrentEncryptionType();

+

+    /*

+     * Start scan WiFi networks available

+     *

+     * return: Number of discovered networks

+     */

+    static int8_t startScanNetworks();

+

+    /*

+     * Get the networks available

+     *

+     * return: Number of discovered networks

+     */

+    static uint8_t getScanNetworks();

+

+    /*

+     * Return the SSID discovered during the network scan.

+     *

+     * param networkItem: specify from which network item want to get the information

+	 *

+     * return: ssid string of the specified item on the networks scanned list

+     */

+    static char* getSSIDNetoworks(uint8_t networkItem);

+

+    /*

+     * Return the RSSI of the networks discovered during the scanNetworks

+     *

+     * param networkItem: specify from which network item want to get the information

+	 *

+     * return: signed value of RSSI of the specified item on the networks scanned list

+     */

+    static int32_t getRSSINetoworks(uint8_t networkItem);

+

+    /*

+     * Return the encryption type of the networks discovered during the scanNetworks

+     *

+     * param networkItem: specify from which network item want to get the information

+	 *

+     * return: encryption type (enum wl_enc_type) of the specified item on the networks scanned list

+     */

+    static uint8_t getEncTypeNetowrks(uint8_t networkItem);

+

+    /*

+     * Resolve the given hostname to an IP address.

+     * param aHostname: Name to be resolved

+     * param aResult: IPAddress structure to store the returned IP address

+     * result: 1 if aIPAddrString was successfully converted to an IP address,

+     *          else error code

+     */

+    static int getHostByName(const char* aHostname, IPAddress& aResult);

+

+    /*

+     * Get the firmware version

+     * result: version as string with this format a.b.c

+     */

+    static char* getFwVersion();

+

+};

+

+extern WiFiDrv wiFiDrv;

+

+#endif

diff --git a/libraries/WiFi/utility/wifi_spi.h b/libraries/WiFi/utility/wifi_spi.h
new file mode 100644
index 0000000..bf479e2
--- /dev/null
+++ b/libraries/WiFi/utility/wifi_spi.h
@@ -0,0 +1,144 @@
+#ifndef WiFi_Spi_h

+#define WiFi_Spi_h

+

+#include "wl_definitions.h"

+

+#define CMD_FLAG        0

+#define REPLY_FLAG      1<<7

+#define DATA_FLAG 		0x40

+

+#define WIFI_SPI_ACK        1

+#define WIFI_SPI_ERR        0xFF

+

+#define TIMEOUT_CHAR    1000

+

+//#define	MAX_SOCK_NUM		4	/**< Maxmium number of socket  */

+#define NO_SOCKET_AVAIL     255

+

+#define START_CMD   0xE0

+#define END_CMD     0xEE

+#define ERR_CMD   	0xEF

+  

+enum {

+	SET_NET_CMD 		= 0x10,

+	SET_PASSPHRASE_CMD	= 0x11,

+	SET_KEY_CMD	        = 0x12,

+	TEST_CMD	        = 0x13,

+

+	GET_CONN_STATUS_CMD	= 0x20,

+	GET_IPADDR_CMD		= 0x21,

+	GET_MACADDR_CMD		= 0x22,

+	GET_CURR_SSID_CMD	= 0x23,

+	GET_CURR_BSSID_CMD	= 0x24,

+	GET_CURR_RSSI_CMD	= 0x25,

+	GET_CURR_ENCT_CMD	= 0x26,

+	SCAN_NETWORKS		= 0x27,

+	START_SERVER_TCP_CMD= 0x28,

+	GET_STATE_TCP_CMD   = 0x29,

+	DATA_SENT_TCP_CMD	= 0x2A,

+    AVAIL_DATA_TCP_CMD	= 0x2B,

+    GET_DATA_TCP_CMD	= 0x2C,

+    START_CLIENT_TCP_CMD= 0x2D,

+    STOP_CLIENT_TCP_CMD = 0x2E,

+    GET_CLIENT_STATE_TCP_CMD= 0x2F,

+    DISCONNECT_CMD		= 0x30,

+	GET_IDX_SSID_CMD	= 0x31,

+	GET_IDX_RSSI_CMD	= 0x32,

+	GET_IDX_ENCT_CMD	= 0x33,

+	REQ_HOST_BY_NAME_CMD= 0x34,

+	GET_HOST_BY_NAME_CMD= 0x35,

+	START_SCAN_NETWORKS	= 0x36,

+	GET_FW_VERSION_CMD	= 0x37,

+

+    // All command with DATA_FLAG 0x40 send a 16bit Len

+

+	SEND_DATA_TCP_CMD		= 0x44,

+    GET_DATABUF_TCP_CMD		= 0x45,

+};

+

+

+enum wl_tcp_state {

+  CLOSED      = 0,

+  LISTEN      = 1,

+  SYN_SENT    = 2,

+  SYN_RCVD    = 3,

+  ESTABLISHED = 4,

+  FIN_WAIT_1  = 5,

+  FIN_WAIT_2  = 6,

+  CLOSE_WAIT  = 7,

+  CLOSING     = 8,

+  LAST_ACK    = 9,

+  TIME_WAIT   = 10

+};

+

+

+enum numParams{

+    PARAM_NUMS_0,

+    PARAM_NUMS_1,

+    PARAM_NUMS_2,

+    PARAM_NUMS_3,

+    PARAM_NUMS_4,

+    PARAM_NUMS_5,

+    MAX_PARAM_NUMS

+};

+

+#define MAX_PARAMS MAX_PARAM_NUMS-1

+#define PARAM_LEN_SIZE 1

+

+typedef struct  __attribute__((__packed__))

+{

+	uint8_t     paramLen;

+	char*	    param;

+}tParam;

+

+typedef struct  __attribute__((__packed__))

+{

+	uint16_t     dataLen;

+	char*	     data;

+}tDataParam;

+

+

+typedef struct  __attribute__((__packed__))

+{

+	unsigned char	cmd;

+	unsigned char	tcmd;

+	unsigned char	nParam;

+	tParam	params[MAX_PARAMS];

+}tSpiMsg;

+

+typedef struct  __attribute__((__packed__))

+{

+	unsigned char	cmd;

+	unsigned char	tcmd;

+	unsigned char	nParam;

+	tDataParam		params[MAX_PARAMS];

+}tSpiMsgData;

+

+

+typedef struct  __attribute__((__packed__))

+{

+	unsigned char	cmd;

+	unsigned char	tcmd;

+	//unsigned char	totLen;

+	unsigned char	nParam;

+}tSpiHdr;

+

+typedef struct  __attribute__((__packed__))

+{

+	uint8_t     paramLen;

+	uint32_t	param;

+}tLongParam;

+

+typedef struct  __attribute__((__packed__))

+{

+	uint8_t     paramLen;

+	uint16_t	param;

+}tIntParam;

+

+typedef struct  __attribute__((__packed__))

+{

+	uint8_t     paramLen;

+	uint8_t	param;

+}tByteParam;

+

+#endif

diff --git a/libraries/WiFi/utility/wl_definitions.h b/libraries/WiFi/utility/wl_definitions.h
new file mode 100644
index 0000000..15de781
--- /dev/null
+++ b/libraries/WiFi/utility/wl_definitions.h
@@ -0,0 +1,50 @@
+/*
+ * wl_definitions.h
+ *
+ *  Created on: Mar 6, 2011
+ *      Author: dlafauci
+ */
+
+#ifndef WL_DEFINITIONS_H_
+#define WL_DEFINITIONS_H_
+
+// Maximum size of a SSID
+#define WL_SSID_MAX_LENGTH 32
+// Length of passphrase. Valid lengths are 8-63.
+#define WL_WPA_KEY_MAX_LENGTH 63
+// Length of key in bytes. Valid values are 5 and 13.
+#define WL_WEP_KEY_MAX_LENGTH 13
+// Size of a MAC-address or BSSID
+#define WL_MAC_ADDR_LENGTH 6
+// Size of a MAC-address or BSSID
+#define WL_IPV4_LENGTH 4
+// Maximum size of a SSID list
+#define WL_NETWORKS_LIST_MAXNUM	10
+// Maxmium number of socket
+#define	MAX_SOCK_NUM		4
+//Maximum number of attempts to establish wifi connection
+#define WL_MAX_ATTEMPT_CONNECTION	10
+
+typedef enum {
+		WL_NO_SHIELD = 255,
+        WL_IDLE_STATUS = 0,
+        WL_NO_SSID_AVAIL,
+        WL_SCAN_COMPLETED,
+        WL_CONNECTED,
+        WL_CONNECT_FAILED,
+        WL_CONNECTION_LOST,
+        WL_DISCONNECTED
+} wl_status_t;
+
+/* Encryption modes */
+enum wl_enc_type {  /* Values map to 802.11 encryption suites... */
+        ENC_TYPE_WEP  = 5,
+        ENC_TYPE_TKIP = 2,
+        ENC_TYPE_CCMP = 4,
+        /* ... except these two, 7 and 8 are reserved in 802.11-2007 */
+        ENC_TYPE_NONE = 7,
+        ENC_TYPE_AUTO = 8
+};
+
+
+#endif /* WL_DEFINITIONS_H_ */
diff --git a/libraries/WiFi/utility/wl_types.h b/libraries/WiFi/utility/wl_types.h
new file mode 100644
index 0000000..82b309d
--- /dev/null
+++ b/libraries/WiFi/utility/wl_types.h
@@ -0,0 +1,31 @@
+/*

+ * wl_types.h

+ *

+ *  Created on: Jul 30, 2010

+ *      Author: dlafauci

+ */

+

+

+#ifndef	_WL_TYPES_H_

+#define	_WL_TYPES_H_

+

+#include <inttypes.h>

+

+typedef enum {

+        WL_FAILURE = -1,

+        WL_SUCCESS = 1,

+} wl_error_code_t;

+

+/* Authentication modes */

+enum wl_auth_mode {

+        AUTH_MODE_INVALID,

+        AUTH_MODE_AUTO,

+        AUTH_MODE_OPEN_SYSTEM,

+        AUTH_MODE_SHARED_KEY,

+        AUTH_MODE_WPA,

+        AUTH_MODE_WPA2,

+        AUTH_MODE_WPA_PSK,

+        AUTH_MODE_WPA2_PSK

+};

+

+#endif //_WL_TYPES_H_