KL25 driver for Tango Control System

Dependencies:   mbed

Files at this revision

API Documentation at this revision

Comitter:
jskl
Date:
Mon Aug 25 12:00:15 2014 +0000
Child:
1:f1ee978773d3
Commit message:
Initial Release

Changed in this revision

DHCPClient/DHCPClient.cpp Show annotated file Show diff for this revision Revisions of this file
DHCPClient/DHCPClient.h Show annotated file Show diff for this revision Revisions of this file
DNSClient/DNSClient.cpp Show annotated file Show diff for this revision Revisions of this file
DNSClient/DNSClient.h Show annotated file Show diff for this revision Revisions of this file
DNSClient/dnsname.h Show annotated file Show diff for this revision Revisions of this file
GY80/GY80.cpp Show annotated file Show diff for this revision Revisions of this file
GY80/GY80.h Show annotated file Show diff for this revision Revisions of this file
Socket/Endpoint.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/Endpoint.h Show annotated file Show diff for this revision Revisions of this file
Socket/Socket.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/Socket.h Show annotated file Show diff for this revision Revisions of this file
Socket/TCPSocketConnection.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/TCPSocketConnection.h Show annotated file Show diff for this revision Revisions of this file
Socket/TCPSocketServer.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/TCPSocketServer.h Show annotated file Show diff for this revision Revisions of this file
Socket/UDPSocket.cpp Show annotated file Show diff for this revision Revisions of this file
Socket/UDPSocket.h Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5100.cpp Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5100.h Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5200.cpp Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5200.h Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5500.cpp Show annotated file Show diff for this revision Revisions of this file
WIZnet/W5500.h Show annotated file Show diff for this revision Revisions of this file
WIZnet/wiznet.h Show annotated file Show diff for this revision Revisions of this file
WIZnetInterface.cpp Show annotated file Show diff for this revision Revisions of this file
WIZnetInterface.h Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
main.h Show annotated file Show diff for this revision Revisions of this file
mbed.bld Show annotated file Show diff for this revision Revisions of this file
pico_string.h Show annotated file Show diff for this revision Revisions of this file
tsi_sensor/tsi_sensor.cpp Show annotated file Show diff for this revision Revisions of this file
tsi_sensor/tsi_sensor.h Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHCPClient/DHCPClient.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,212 @@
+// DHCPClient.cpp 2013/4/10
+#include "mbed.h"
+#include "mbed_debug.h"
+#include "UDPSocket.h"
+#include "DHCPClient.h"
+
+#define DBG_DHCP 0
+
+#if DBG_DHCP
+#define DBG(...) do{debug("[%s:%d]", __PRETTY_FUNCTION__,__LINE__);debug(__VA_ARGS__);} while(0);
+#define DBG_HEX(A,B) do{debug("[%s:%d]\r\n", __PRETTY_FUNCTION__,__LINE__);debug_hex(A,B);} while(0);
+#else
+#define DBG(...) while(0);
+#define DBG_HEX(A,B) while(0);
+#endif
+
+int DHCPClient::discover()
+{
+    m_pos = 0;
+    const uint8_t header[] = {0x01,0x01,0x06,0x00};
+    add_buf((uint8_t*)header, sizeof(header));
+    uint32_t x = time(NULL) + rand();
+    xid[0] = x>>24; xid[1] = x>>16; xid[2] = x>>8; xid[3] = x;
+    add_buf(xid, 4);
+    fill_buf(20, 0x00);
+    add_buf(chaddr, 6);
+    fill_buf(10+192, 0x00);
+    const uint8_t options[] = {0x63,0x82,0x53,0x63, // magic cookie
+                               53,1,DHCPDISCOVER,   // DHCP option 53: DHCP Discover
+                               55,4,1,3,15,6,
+                               255}; 
+    add_buf((uint8_t*)options, sizeof(options));
+    return m_pos;
+}
+
+int DHCPClient::request()
+{
+    m_pos = 0;
+    const uint8_t header[] = {0x01,0x01,0x06,0x00};
+    add_buf((uint8_t*)header, sizeof(header));
+    add_buf(xid, 4);
+    fill_buf(12, 0x00);
+    add_buf(siaddr, 4);
+    fill_buf(4, 0x00); // giaddr
+    add_buf(chaddr, 6);
+    fill_buf(10+192, 0x00);
+    const uint8_t options[] = {0x63,0x82,0x53,0x63, // magic cookie
+                               53,1,DHCPREQUEST,    // DHCP option 53: DHCP Request
+                               55,4,1,3,15,6,       // DHCP option 55:
+                               };
+    add_buf((uint8_t*)options, sizeof(options));
+    add_option(50, yiaddr, 4);
+    add_option(54, siaddr, 4);
+    add_option(255);
+    return m_pos;
+}
+
+int DHCPClient::offer(uint8_t buf[], int size) {
+    memcpy(yiaddr, buf+DHCP_OFFSET_YIADDR, 4);   
+    memcpy(siaddr, buf+DHCP_OFFSET_SIADDR, 4);   
+    uint8_t *p;
+    int msg_type = -1;
+    p = buf + DHCP_OFFSET_OPTIONS;
+    while(*p != 255 && p < (buf+size)) {
+        uint8_t code = *p++;
+        if (code == 0) { // Pad Option
+            continue;
+        }
+        int len = *p++;
+ 
+        DBG("DHCP option: %d\r\n", code);
+        DBG_HEX(p, len);
+
+        switch(code) {
+            case 53:
+                msg_type = *p;
+                break;
+            case 1:
+                memcpy(netmask, p, 4); // Subnet mask address
+                break;
+            case 3:
+                memcpy(gateway, p, 4); // Gateway IP address
+                break; 
+            case 6:  // DNS server
+                memcpy(dnsaddr, p, 4);
+                break;
+            case 51: // IP lease time 
+                break;
+            case 54: // DHCP server
+                memcpy(siaddr, p, 4);
+                break;
+        }
+        p += len;
+    }
+    return msg_type;
+}
+
+bool DHCPClient::verify(uint8_t buf[], int len) {
+    if (len < DHCP_OFFSET_OPTIONS) {
+        return false;
+    }
+    if (buf[DHCP_OFFSET_OP] != 0x02) {
+        return false;
+    }
+    if (memcmp(buf+DHCP_OFFSET_XID, xid, 4) != 0) {
+        return false;
+    }
+    return true;
+}
+
+void DHCPClient::callback()
+{
+    Endpoint host;
+    int recv_len = m_udp->receiveFrom(host, (char*)m_buf, sizeof(m_buf));
+    if (recv_len < 0) {
+        return;
+    }
+    if (!verify(m_buf, recv_len)) {
+        return;
+    }
+    int r = offer(m_buf, recv_len);
+    if (r == DHCPOFFER) {
+        int send_size = request();
+        m_udp->sendTo(m_server, (char*)m_buf, send_size);
+    } else if (r == DHCPACK) {
+        exit_flag = true;
+    }
+}
+
+void  DHCPClient::add_buf(uint8_t c)
+{
+    m_buf[m_pos++] = c;
+}
+
+void  DHCPClient::add_buf(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        add_buf(buf[i]);
+    }
+}
+
+void DHCPClient::fill_buf(int len, uint8_t data)
+{
+    while(len-- > 0) {
+        add_buf(data);
+    }
+}
+
+void  DHCPClient::add_option(uint8_t code, uint8_t* buf, int len)
+{
+    add_buf(code);
+    if (len > 0) {
+        add_buf((uint8_t)len);
+        add_buf(buf, len);
+    }
+}
+
+int DHCPClient::setup(int timeout_ms)
+{
+    eth = WIZnet_Chip::getInstance();
+    if (eth == NULL) {
+        return -1;
+    }    
+    eth->reg_rd_mac(SHAR, chaddr);
+    int interval_ms = 5*1000; // 5000msec
+    if (timeout_ms < interval_ms) {
+        interval_ms = timeout_ms;
+    }
+    m_udp = new UDPSocket;
+    m_udp->init();
+    m_udp->set_blocking(false);
+    eth->reg_wr<uint32_t>(SIPR, 0x00000000); // local ip "0.0.0.0"
+    m_udp->bind(68); // local port
+    m_server.set_address("255.255.255.255", 67); // DHCP broadcast
+    exit_flag = false;
+    int err = 0;
+    int seq = 0;
+    int send_size;
+    while(!exit_flag) {
+        switch(seq) {
+            case 0:
+                m_retry = 0;
+                seq++;
+                break;
+            case 1:
+                send_size = discover();
+                m_udp->sendTo(m_server, (char*)m_buf, send_size);
+                m_interval.reset();
+                m_interval.start();
+                seq++;
+                break;
+            case 2:
+                callback();
+                if (m_interval.read_ms() > interval_ms) {
+                    DBG("m_retry: %d\n", m_retry);
+                    if (++m_retry >= (timeout_ms/interval_ms)) {
+                        err = -1;
+                        exit_flag = true;
+                    }
+                    seq--;
+                }
+                break;
+        }
+    }
+    DBG("m_retry: %d, m_interval: %d\n", m_retry, m_interval.read_ms());
+    delete m_udp;
+    return err;
+}
+
+DHCPClient::DHCPClient() {
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DHCPClient/DHCPClient.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,55 @@
+// DHCPClient.h 2013/4/10
+#ifndef DHCPCLIENT_H
+#define DHCPCLIENT_H
+#include "wiznet.h"
+#include "UDPSocket.h"
+
+#define DHCP_OFFSET_OP 0
+#define DHCP_OFFSET_XID 4
+#define DHCP_OFFSET_YIADDR 16
+#define DHCP_OFFSET_SIADDR 20
+#define DHCP_OFFSET_OPTIONS 240
+#define DHCP_MAX_PACKET_SIZE 600
+
+// DHCP Message Type
+#define DHCPDISCOVER 1
+#define DHCPOFFER    2
+#define DHCPREQUEST  3
+#define DHCPDECLINE  4
+#define DHCPACK      5
+#define DHCPNAK      6
+#define DHCPRELEASE  7
+#define DHCPINFORM   8
+
+class DHCPClient {
+public:
+    DHCPClient();
+    int setup(int timeout_ms = 15*1000);
+    uint8_t chaddr[6]; // MAC
+    uint8_t yiaddr[4]; // IP
+    uint8_t dnsaddr[4]; // DNS
+    uint8_t gateway[4];
+    uint8_t netmask[4];
+    uint8_t siaddr[4];
+private:
+    int discover();
+    int request();
+    int offer(uint8_t buf[], int size);
+    void add_buf(uint8_t* buf, int len);
+    void fill_buf(int len, uint8_t data = 0x00);
+    void add_buf(uint8_t c);
+    void add_option(uint8_t code, uint8_t* buf = NULL, int len = 0);
+    bool verify(uint8_t buf[], int len);
+    void callback();
+    UDPSocket* m_udp;
+    Endpoint m_server;
+    uint8_t xid[4];
+    bool exit_flag;
+    Timer m_interval;
+    int m_retry;
+    uint8_t m_buf[DHCP_MAX_PACKET_SIZE];
+    int m_pos;
+    WIZnet_Chip* eth;
+};
+#endif //DHCPCLIENT_H
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DNSClient/DNSClient.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,174 @@
+// DNSClient.cpp 2013/8/27
+#include "mbed.h"
+#include "mbed_debug.h"
+#include "DNSClient.h"
+#include "UDPSocket.h"
+#include "dnsname.h"
+#include "wiznet.h"
+
+#define DBG_DNS 0
+
+#if DBG_DNS
+#define DBG2(...) do{debug("[DNS]%p %d %s ", this,__LINE__,__PRETTY_FUNCTION__); debug(__VA_ARGS__); } while(0);
+#else
+#define DBG2(...) while(0);
+#endif
+
+DNSClient::DNSClient(const char* hostname) : m_state(MYNETDNS_START), m_udp(NULL) {
+    m_hostname = hostname;
+}
+
+DNSClient::DNSClient(Endpoint* pHost) : m_state(MYNETDNS_START), m_udp(NULL) {
+}
+
+DNSClient::~DNSClient() {
+    if (m_udp) {
+        delete m_udp;
+    }
+}
+
+void DNSClient::callback()
+{
+    uint8_t buf[512];
+    Endpoint host;
+    int len = m_udp->receiveFrom(host, (char*)buf, sizeof(buf));
+    if (len < 0) {
+        return;
+    }
+    if (memcmp(buf+0, m_id, 2) != 0) { //verify
+        return;
+    }
+    int rcode = response(buf, len);
+    if (rcode == 0) {
+        m_state = MYNETDNS_OK;
+    } else {
+        m_state = MYNETDNS_NOTFOUND;
+    }
+}
+
+int DNSClient::response(uint8_t buf[], int size) {
+    int rcode = buf[3] & 0x0f;
+    if (rcode != 0) {
+        return rcode;
+    }
+    int qdcount = buf[4]<<8|buf[5];
+    int ancount = buf[6]<<8|buf[7];
+    int pos = 12;
+    while(qdcount-- > 0) {
+        dnsname qname(buf);
+        pos = qname.decode(pos); // qname
+        pos += 4; // qtype qclass
+    }
+    while(ancount-- > 0) {
+        dnsname name(buf);
+        pos = name.decode(pos); // name
+        int type = buf[pos]<<8|buf[pos+1];
+        pos += 8; // type class TTL  
+        int rdlength = buf[pos]<<8|buf[pos+1]; pos += 2;
+        int rdata_pos = pos;
+        pos += rdlength;
+        if (type == 1) { // A record
+            ip = (buf[rdata_pos]<<24) | (buf[rdata_pos+1]<<16) | (buf[rdata_pos+2]<<8) | buf[rdata_pos+3];
+        }
+#if DBG_DNS
+        printf("%s", name.str.c_str());
+        if (type == 1) {
+            printf(" A %d.%d.%d.%d\n", 
+                buf[rdata_pos],buf[rdata_pos+1],buf[rdata_pos+2],buf[rdata_pos+3]);
+        } else if (type == 5) {
+            dnsname rdname(buf);
+            rdname.decode(rdata_pos);
+            printf(" CNAME %s\n", rdname.str.c_str());
+        } else {
+            printf(" TYPE:%d", type);
+            printfBytes(" RDATA:", &buf[rdata_pos], rdlength);
+        }
+#endif
+    }
+    return rcode;
+}
+
+int DNSClient::query(uint8_t buf[], int size, const char* hostname) {
+    const uint8_t header[] = {
+        0x00,0x00,0x01,0x00, // id=0x0000 QR=0 rd=1 opcode=0 rcode=0
+        0x00,0x01,0x00,0x00, // qdcount=1 ancount=0
+        0x00,0x00,0x00,0x00};// nscount=0 arcount=0 
+    const uint8_t tail[] = {0x00,0x01,0x00,0x01}; // qtype=A qclass=IN
+    memcpy(buf, header, sizeof(header));
+    int t = rand();
+    m_id[0] = t>>8;
+    m_id[1] = t;
+    memcpy(buf, m_id, 2); 
+    dnsname qname(buf);
+    int pos = qname.encode(sizeof(header), (char*)hostname);
+    memcpy(buf+pos, tail, sizeof(tail));
+    pos += sizeof(tail);
+    return pos;
+}
+
+void DNSClient::resolve(const char* hostname) {
+    if (m_udp == NULL) {
+        m_udp = new UDPSocket;
+    }
+    m_udp->init();
+    m_udp->set_blocking(false);
+    Endpoint server;
+    server.set_address("8.8.8.8", 53); // DNS
+    m_udp->bind(rand()&0x7fff);
+    uint8_t buf[256];                
+    int size = query(buf, sizeof(buf), hostname);
+#if DBG_DNS
+    printf("hostname:[%s]\n", hostname);
+    printHex(buf, size);
+#endif
+    m_udp->sendTo(server, (char*)buf, size);
+    m_interval.reset();
+    m_interval.start();
+}
+
+void DNSClient::poll() {
+#if DBG_DNS
+    printf("%p m_state: %d, m_udp: %p\n", this, m_state, m_udp);
+    wait_ms(400);
+#endif
+    switch(m_state) {
+        case MYNETDNS_START:
+            m_retry = 0;
+            resolve(m_hostname);
+            m_state = MYNETDNS_PROCESSING;
+            break;
+        case MYNETDNS_PROCESSING: 
+            break;
+        case MYNETDNS_NOTFOUND: 
+            break;
+        case MYNETDNS_ERROR: 
+            break;
+        case MYNETDNS_OK:
+            DBG2("m_retry=%d, m_interval=%d\n", m_retry, m_interval.read_ms());
+            break;
+    }
+    if (m_interval.read_ms() > 1000) {
+        m_interval.stop();
+        DBG2("timeout m_retry=%d\n", m_retry);
+        if (++m_retry >= 2) {
+            m_state = MYNETDNS_ERROR;
+        } else {
+            resolve(m_hostname);
+            m_state = MYNETDNS_PROCESSING;
+        }
+    }
+}
+
+bool DNSClient::lookup(const char* hostname) {
+    m_hostname = hostname;
+    m_state = MYNETDNS_START;
+    while(1) {
+        poll();
+        callback();
+        if (m_state != MYNETDNS_PROCESSING) {
+            break;
+        } 
+    }
+    return m_state == MYNETDNS_OK;
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DNSClient/DNSClient.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,35 @@
+// DNSClient.h 2013/4/5
+#pragma once
+
+#include "UDPSocket.h"
+ 
+class DNSClient {
+public:
+    DNSClient(const char* hostname = NULL);
+    DNSClient(Endpoint* pHost);
+    virtual ~DNSClient();
+    bool lookup(const char* hostname = NULL);
+    uint32_t ip;
+protected:
+    void poll();
+    void callback();
+    int response(uint8_t buf[], int size);
+    int query(uint8_t buf[], int size, const char* hostname);
+    void resolve(const char* hostname);
+    uint8_t m_id[2];
+    Timer m_interval;
+    int m_retry;
+    const char* m_hostname;
+private:
+    enum MyNetDnsState
+    {
+        MYNETDNS_START,
+        MYNETDNS_PROCESSING, //Req has not completed
+        MYNETDNS_NOTFOUND,
+        MYNETDNS_ERROR,
+        MYNETDNS_OK
+    };
+    MyNetDnsState m_state;
+    UDPSocket *m_udp;
+};
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/DNSClient/dnsname.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,52 @@
+// dnsname.h 2013/8/27
+#pragma once
+//#include <string>
+#include "pico_string.h"
+class dnsname {
+public:
+    uint8_t *buf;
+    pico_string str;
+    dnsname(uint8_t *s) {
+        buf = s;
+    }
+    int decode(int pos) {
+        while(1) {
+            int len = buf[pos++];
+            if (len == 0x00) {
+                break;
+            }
+            if ((len&0xc0) == 0xc0) { //compress
+                int offset = (len&0x3f)<<8|buf[pos];
+                decode(offset);
+                return pos+1;
+            }
+            if (!str.empty()) {
+                str.append(".");
+            }
+            str.append((const char*)(buf+pos), len);
+            pos += len;
+        }
+        return pos;
+    }
+
+    int encode(int pos, char* s) {
+        while(*s) {  
+            char *f = strchr(s, '.');
+            if (f == NULL) {
+                int len = strlen(s);
+                buf[pos++] = len;
+                memcpy(buf+pos, s, len);
+                pos += len;
+                break;
+            }
+            int len = f - s;
+            buf[pos++] = len;
+            memcpy(buf+pos, s, len);
+            s = f+1;
+            pos += len;
+        }
+        buf[pos++] = 0x00;
+        return pos;
+    }
+};
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GY80/GY80.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,127 @@
+#include "GY80.h"
+
+Serial pc2(USBTX, USBRX);
+
+GY80::GY80() : Wire( SDA,SCL)
+{
+    Wire.frequency(I2C_FREQ);
+    Accel_Init();
+    Gyro_Init();
+    Magn_Init();
+}
+GY80::~GY80()
+{
+}
+void GY80::Accel_Init()
+{    
+    byte data[2];
+    data[0] = 0x2D; // Power register
+    data[1] = 0x08; //Measurement mode
+    Wire.write(ACCEL_ADDRESS, data, 2);
+    wait_ms(1);
+
+    data[0] = 0x31; // Data format register
+    data[1] = 0x08; //Set to full resolution
+    Wire.write(ACCEL_ADDRESS, data, 2);
+    wait_ms(1);
+
+    // 
+    data[0] = 0x2C; // Rate
+    data[1] = 0x0D; //Set to 800Hz, normal operation, 0x0A 100hz 
+    Wire.write(ACCEL_ADDRESS, data, 2);
+    wait_ms(1);
+}
+
+void GY80::Gyro_Init()
+{
+    byte data[2];
+
+    data[0] = 0x20; //L3G4200D_CTRL_REG1
+    data[1] = 0xCF; // normal power mode, all axes enable, 8:20 9:25 A:50 B:110 
+    Wire.write(GYRO_ADDRESS, data, 2);
+    wait_ms(1);
+
+
+    data[0] = 0x23; // L3G4200D_CTRL_REG4
+    data[1] = 0x20; //2000 dps full scale 
+    Wire.write(GYRO_ADDRESS, data, 2);
+    wait_ms(1);
+
+
+    data[0] = 0x24; // L3G4200D_CTRL_REG5
+    data[1] = 0x02; //Low Pass Filter
+    Wire.write(GYRO_ADDRESS, data, 2);
+}
+
+void GY80::Magn_Init()
+{   
+    byte data[2];
+    data[0] = 0x02;
+    data[1] = 0x00; // 00000000 Set continuous mode (default 10Hz)
+    Wire.write(MAGN_ADDRESS, data, 2);
+    wait_ms(1);
+
+    data[0] = 0x00;
+    data[1] = 0x50; // 01010000
+    Wire.write(MAGN_ADDRESS, data, 2);
+    wait_ms(1);
+}
+
+void GY80::Read_Accel(float* accel_v)
+{
+    byte buff[6];
+    buff[0] = 0x32; // Send address to read from
+    Wire.write(ACCEL_ADDRESS, buff, 1);
+
+    int accel[3];
+    if (Wire.read(ACCEL_ADDRESS, buff,6) == 0)  // All bytes received?
+    {
+        accel[0] = (short) ((uint16_t) buff[1] << 8 | buff[0]);
+        accel[1] = (short) ((uint16_t) buff[3] << 8 | buff[2]);
+        accel[2] = (short) ((uint16_t) buff[5] << 8 | buff[4]);
+    }
+    accel_v[0] = (accel[0] - ACCEL_X_OFFSET) * ACCEL_X_SCALE;
+    accel_v[1] = (accel[1] - ACCEL_Y_OFFSET) * ACCEL_Y_SCALE;
+    accel_v[2] = (accel[2] - ACCEL_Z_OFFSET) * ACCEL_Z_SCALE;
+}
+
+
+void GY80::Read_Gyro(float* gyro_v)
+{
+    byte buff[6];
+
+    buff[0] = 0xA8; // 0x28 | (1 << 7) Send address to read from 
+    Wire.write(GYRO_ADDRESS, buff, 1);
+    // Request 6 bytes
+    int gyro[3];
+    if (Wire.read(GYRO_ADDRESS, buff,6) == 0)  // All bytes received?
+    {
+        gyro[0] = (short) ((uint16_t) buff[1] << 8 | buff[0]);
+        gyro[1] = (short) ((uint16_t) buff[3] << 8 | buff[2]);
+        gyro[2] = (short) ((uint16_t) buff[5] << 8 | buff[4]);
+    }
+    gyro_v[0] = DEG2RAD((gyro[0] - GYRO_X_OFFSET) * GYRO_GAIN_X); 
+    gyro_v[1] = DEG2RAD((gyro[1] - GYRO_Y_OFFSET) * GYRO_GAIN_Y);
+    gyro_v[2] = DEG2RAD((gyro[2] - GYRO_Z_OFFSET) * GYRO_GAIN_Z);
+}
+
+void GY80::Read_Magn(float* magn_v)
+{
+    byte buff[6];
+
+    buff[0] = 0x03; // Send address to read from
+    Wire.write(MAGN_ADDRESS, buff, 1);
+
+    // Request 6 bytes
+    int mag[3];
+    if (Wire.read(MAGN_ADDRESS, buff,6) == 0)  // All bytes received?
+    {
+        mag[0] = (short) ((uint16_t) buff[1] << 8 | buff[0]);
+        mag[1] = (short) ((uint16_t) buff[3] << 8 | buff[2]);
+        mag[2] = (short) ((uint16_t) buff[5] << 8 | buff[4]);
+    }
+    magn_v[0] = (mag[0] - MAGN_X_OFFSET) * MAGN_X_SCALE;
+    magn_v[1] = (mag[1] - MAGN_Y_OFFSET) * MAGN_Y_SCALE;
+    magn_v[2] = (mag[2] - MAGN_Z_OFFSET) * MAGN_Z_SCALE;
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/GY80/GY80.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,90 @@
+#ifndef SENSORS_H
+#define SENSORS_H
+
+#include "mbed.h"
+#define I2C_FREQ 400000
+#define SCL PTC8
+#define SDA PTC9
+
+#define ACCEL_ADDRESS (0xA6) // 0x53 = 0xA6 / 2
+#define MAGN_ADDRESS  (0x3C) // 0x1E = 0x3C / 2
+#define GYRO_ADDRESS  (0xD2) // 0x68 = 0xD0 / 2
+
+// SENSOR CALIBRATION
+/*****************************************************************/
+// How to calibrate? Read the tutorial at http://dev.qu.tu-berlin.de/projects/sf-razor-9dof-ahrs
+// Put MIN/MAX and OFFSET readings for your board here!
+// Accelerometer
+// "accel x,y,z (min/max) = X_MIN/X_MAX  Y_MIN/Y_MAX  Z_MIN/Z_MAX"
+#define ACCEL_X_MIN (-255.0f)
+#define ACCEL_X_MAX (260.0f)
+#define ACCEL_Y_MIN (-267.0f)
+#define ACCEL_Y_MAX (255.0f)
+#define ACCEL_Z_MIN (-278.0f)
+#define ACCEL_Z_MAX (238.0f)
+
+// Magnetometer
+// "magn x,y,z (min/max) = X_MIN/X_MAX  Y_MIN/Y_MAX  Z_MIN/Z_MAX"
+#define MAGN_X_MIN (-520.0f)
+#define MAGN_X_MAX (850.0f)
+#define MAGN_Y_MIN (-640.0f)
+#define MAGN_Y_MAX (684.0f)
+#define MAGN_Z_MIN (-213.0f)
+#define MAGN_Z_MAX (850.0f)
+
+// Gyroscope
+// "gyro x,y,z (current/average) = .../OFFSET_X  .../OFFSET_Y  .../OFFSET_Z
+#define GYRO_X_OFFSET (-20.5f)
+#define GYRO_Y_OFFSET (0.5f)
+#define GYRO_Z_OFFSET (10.5f)
+
+//*****************************************************************************/
+
+#define GRAVITY 255.0f  //this equivalent to 1G in the raw data coming from the accelerometer 
+
+#define ACCEL_X_OFFSET ((ACCEL_X_MIN + ACCEL_X_MAX) / 2.0f)
+#define ACCEL_Y_OFFSET ((ACCEL_Y_MIN + ACCEL_Y_MAX) / 2.0f)
+#define ACCEL_Z_OFFSET ((ACCEL_Z_MIN + ACCEL_Z_MAX) / 2.0f)
+#define ACCEL_X_SCALE (GRAVITY / (ACCEL_X_MAX - ACCEL_X_OFFSET))
+#define ACCEL_Y_SCALE (GRAVITY / (ACCEL_Y_MAX - ACCEL_Y_OFFSET))
+#define ACCEL_Z_SCALE (GRAVITY / (ACCEL_Z_MAX - ACCEL_Z_OFFSET))
+
+#define MAGN_X_OFFSET ((MAGN_X_MIN + MAGN_X_MAX) / 2.0f)
+#define MAGN_Y_OFFSET ((MAGN_Y_MIN + MAGN_Y_MAX) / 2.0f)
+#define MAGN_Z_OFFSET ((MAGN_Z_MIN + MAGN_Z_MAX) / 2.0f)
+#define MAGN_X_SCALE (100.0f / (MAGN_X_MAX - MAGN_X_OFFSET))
+#define MAGN_Y_SCALE (100.0f / (MAGN_Y_MAX - MAGN_Y_OFFSET))
+#define MAGN_Z_SCALE (100.0f / (MAGN_Z_MAX - MAGN_Z_OFFSET))
+
+// Gyro gain (conversion from raw to degree per seconds)
+#define GYRO_GAIN 0.061035156f
+#define GYRO_GAIN_X 0.061035156f //X axis Gyro gain
+#define GYRO_GAIN_Y 0.061035156f //Y axis Gyro gain
+#define GYRO_GAIN_Z 0.061035156f //Z axis Gyro gain
+
+#define DEG2RAD(x) (x * 0.01745329252)  // *pi/180
+#define RAD2DEG(x) (x * 57.2957795131)  // *180/pi
+
+typedef char byte;
+
+class GY80
+{
+public:
+    I2C Wire;
+    GY80();
+    ~GY80();
+    void Read_Accel(float* accel_v);
+    void Read_Gyro(float* );
+    void Read_Magn(float* );
+
+private:
+    short accel[3];
+    short gyro[3];
+    short mag[3];
+    void Accel_Init();
+    void Gyro_Init();
+    void Magn_Init();
+
+};
+
+#endif
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Endpoint.cpp	Mon Aug 25 12:00:15 2014 +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.h"
+#include "Endpoint.h"
+
+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
+    WIZnet_Chip* eth = WIZnet_Chip::getInstance();
+    if (eth == NULL) {
+        return -1;
+    }
+    uint32_t addr;
+    if (!eth->gethostbyname(host, &addr)) {
+        return -1;
+    }
+    snprintf(_ipAddress, sizeof(_ipAddress), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
+    _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	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,65 @@
+/* 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
+
+#include "wiznet.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	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,40 @@
+/* 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"
+
+Socket::Socket() : _sock_fd(-1),_blocking(true), _timeout(1500) {
+    eth = WIZnet_Chip::getInstance();
+    if (eth == NULL) {
+        error("Socket constructor error: no W5500 instance available!\r\n");
+    }       
+}
+
+void Socket::set_blocking(bool blocking, unsigned int timeout) {
+    _blocking = blocking;
+    _timeout = timeout;
+}
+
+int Socket::close() {
+    return (eth->close(_sock_fd)) ? 0 : -1;
+}
+
+Socket::~Socket() {
+    close(); //Don't want to leak
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/Socket.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,59 @@
+/* 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 "wiznet.h"
+
+#define htons(x) __REV16(x)
+#define ntohs(x) __REV16(x)
+#define htonl(x) __REV(x)
+#define ntohl(x) __REV(x)
+
+/** 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:
+    int _sock_fd;
+    bool _blocking;
+    int _timeout;
+
+    WIZnet_Chip* eth;
+};
+
+
+#endif /* SOCKET_H_ */
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,113 @@
+/* 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"
+
+TCPSocketConnection::TCPSocketConnection()
+{
+}
+
+int TCPSocketConnection::connect(const char* host, const int port)
+{  
+    if (_sock_fd < 0) {
+        _sock_fd = eth->new_socket();
+        if (_sock_fd < 0) {
+            return -1;
+        }
+    }
+    if (set_address(host, port) != 0) {
+        return -1;
+    }    
+    if (!eth->connect(_sock_fd, get_address(), port)) {
+        return -1;
+    }
+    return 0;
+}
+
+bool TCPSocketConnection::is_connected(void)
+{
+    return eth->is_connected(_sock_fd);
+}
+
+int TCPSocketConnection::send(char* data, int length)
+{
+    int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
+    if (size < 0) {
+        return -1;
+    }
+    if (size > length) {
+        size = length;
+    }
+    return eth->send(_sock_fd, data, size);
+}
+
+// -1 if unsuccessful, else number of bytes written
+int TCPSocketConnection::send_all(char* data, int length)
+{
+    int writtenLen = 0;
+    while (writtenLen < length) {
+        int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout);
+        if (size < 0) {
+            return -1;
+        }
+        if (size > (length-writtenLen)) {
+            size = (length-writtenLen);
+        }
+        int ret = eth->send(_sock_fd, data + writtenLen, size);
+        if (ret < 0) {
+            return -1;
+        }
+        writtenLen += ret;
+    }
+    return writtenLen;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive(char* data, int length)
+{
+    int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout);
+    if (size < 0) {
+        return -1;
+    }
+    if (size > length) {
+        size = length;
+    }
+    return eth->recv(_sock_fd, data, size);
+}
+
+// -1 if unsuccessful, else number of bytes received
+int TCPSocketConnection::receive_all(char* data, int length)
+{
+    int readLen = 0;
+    while (readLen < length) {
+        int size = eth->wait_readable(_sock_fd, _blocking ? -1 :_timeout);
+        if (size <= 0) {
+            break;
+        }
+        if (size > (length - readLen)) {
+            size = length - readLen;
+        }
+        int ret = eth->recv(_sock_fd, data + readLen, size);
+        if (ret < 0) {
+            return -1;
+        }
+        readLen += ret;
+    }
+    return readLen;
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketConnection.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,78 @@
+/* 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 {
+    friend class TCPSocketServer;
+    
+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	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,94 @@
+/* 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"
+
+TCPSocketServer::TCPSocketServer() {}
+
+// Server initialization
+int TCPSocketServer::bind(int port)
+{
+
+    if (_sock_fd < 0) {
+        _sock_fd = eth->new_socket();
+        if (_sock_fd < 0) {
+            return -1;
+        }
+    }
+    // set the listen_port for next connection.
+    listen_port = port;
+    // set TCP protocol
+    eth->setProtocol(_sock_fd, TCP);
+    // set local port
+    eth->sreg<uint16_t>(_sock_fd, Sn_PORT, port);
+    // connect the network
+    eth->scmd(_sock_fd, OPEN);
+    return 0;
+}
+
+int TCPSocketServer::listen(int backlog)
+{
+    if (_sock_fd < 0) {
+        return -1;
+    }
+    if (backlog != 1) {
+        return -1;
+    }
+    eth->scmd(_sock_fd, LISTEN);
+    return 0;
+}
+
+
+int TCPSocketServer::accept(TCPSocketConnection& connection)
+{
+    if (_sock_fd < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        if (t.read_ms() > _timeout && _blocking == false) {
+            return -1;
+        }
+        if (eth->sreg<uint8_t>(_sock_fd, Sn_SR) == SOCK_ESTABLISHED) {
+            break;
+        }
+    }
+    uint32_t ip = eth->sreg<uint32_t>(_sock_fd, Sn_DIPR);
+    char host[16];
+    snprintf(host, sizeof(host), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    uint16_t port = eth->sreg<uint16_t>(_sock_fd, Sn_DPORT);
+    // change this server socket to connection socket.
+    connection._sock_fd = _sock_fd;
+    connection.set_address(host, port);
+
+    // and then, for the next connection, server socket should be assigned new one.
+    _sock_fd = -1; // want to assign new available _sock_fd.
+    if(bind(listen_port) < 0) {
+        error("No more socket for listening");
+    } else {
+        //return -1;
+        if(listen(1) < 0) {
+            error("No more socket for listening");
+        }
+    }
+
+    return 0;
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/TCPSocketServer.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,57 @@
+/* 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.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);
+
+private :
+    int listen_port;
+};
+
+#endif
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,105 @@
+/* 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"
+
+static int udp_local_port;
+
+UDPSocket::UDPSocket()
+{
+}
+
+// After init function, bind() should be called.
+int UDPSocket::init(void)
+{
+    if (_sock_fd < 0) {
+        _sock_fd = eth->new_socket();
+    }
+    if (eth->setProtocol(_sock_fd, UDP) == false) return -1; 
+    return 0;
+}
+
+// Server initialization
+int UDPSocket::bind(int port)
+{
+    if (_sock_fd < 0) {
+        _sock_fd = eth->new_socket();
+        if (_sock_fd < 0) {
+            return -1;
+        }
+    }
+    // set local port
+    if (port != 0) {
+        eth->sreg<uint16_t>(_sock_fd, Sn_PORT, port);
+    } else {
+        udp_local_port++;
+        eth->sreg<uint16_t>(_sock_fd, Sn_PORT, udp_local_port);
+    }
+    // set udp protocol
+    eth->setProtocol(_sock_fd, UDP);
+    eth->scmd(_sock_fd, OPEN);
+    return 0;
+}
+
+// -1 if unsuccessful, else number of bytes written
+int UDPSocket::sendTo(Endpoint &remote, char *packet, int length)
+{
+    int size = eth->wait_writeable(_sock_fd, _blocking ? -1 : _timeout, length-1);
+    if (size < 0) {
+        return -1;
+    }
+    confEndpoint(remote);
+    int ret = eth->send(_sock_fd, packet, length);
+    return ret;
+}
+
+// -1 if unsuccessful, else number of bytes received
+int UDPSocket::receiveFrom(Endpoint &remote, char *buffer, int length)
+{
+    uint8_t info[8];
+    int size = eth->wait_readable(_sock_fd, _blocking ? -1 : _timeout, sizeof(info));
+    if (size < 0) {
+        return -1;
+    }
+    eth->recv(_sock_fd, (char*)info, sizeof(info));
+    readEndpoint(remote, info);
+    int udp_size = info[6]<<8|info[7]; 
+    //TEST_ASSERT(udp_size <= (size-sizeof(info)));
+    if (udp_size > (size-sizeof(info))) {
+        return -1;
+    }
+    return eth->recv(_sock_fd, buffer, udp_size);
+}
+
+void UDPSocket::confEndpoint(Endpoint & ep)
+{
+    char * host = ep.get_address();
+    // set remote host
+    eth->sreg_ip(_sock_fd, Sn_DIPR, host);
+    // set remote port
+    eth->sreg<uint16_t>(_sock_fd, Sn_DPORT, ep.get_port());
+}
+
+void UDPSocket::readEndpoint(Endpoint & ep, uint8_t info[])
+{
+    char addr[17];
+    snprintf(addr, sizeof(addr), "%d.%d.%d.%d", info[0], info[1], info[2], info[3]);
+    uint16_t port = info[4]<<8|info[5];
+    ep.set_address(addr, port);
+}
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Socket/UDPSocket.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,69 @@
+/* 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"
+
+/**
+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:
+    void confEndpoint(Endpoint & ep);
+    void readEndpoint(Endpoint & ep, uint8_t info[]);
+};
+
+#endif
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5100.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,383 @@
+/* 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 "mbed_debug.h"
+#include "wiznet.h"
+#include "DNSClient.h"
+
+#ifdef USE_W5100
+
+//Debug is disabled by default
+#if 0
+#define DBG(...) do{debug("%p %d %s ", this,__LINE__,__PRETTY_FUNCTION__); debug(__VA_ARGS__); } while(0);
+//#define DBG(x, ...) debug("[WIZnet_Chip:DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) debug("[WIZnet_Chip:WARN]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) debug("[WIZnet_Chip:ERR]"x"\r\n", ##__VA_ARGS__);
+#else
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+#if 1
+#define INFO(x, ...) debug("[WIZnet_Chip:INFO]"x"\r\n", ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#endif
+
+#define DBG_SPI 0
+
+WIZnet_Chip* WIZnet_Chip::inst;
+
+WIZnet_Chip::WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    spi = new SPI(mosi, miso, sclk);
+    
+    spi->format(8,0);
+    spi->frequency(2000000);
+    
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+WIZnet_Chip::WIZnet_Chip(SPI* spi, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    this->spi = spi;
+    
+    this->spi->format(8,0);
+    this->spi->frequency(2000000);
+
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+bool WIZnet_Chip::setip()
+{
+    reg_wr<uint32_t>(SIPR, ip);
+    reg_wr<uint32_t>(GAR, gateway);
+    reg_wr<uint32_t>(SUBR, netmask);
+    return true;
+}
+
+bool WIZnet_Chip::setProtocol(int socket, Protocol p)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, p);
+    return true;
+}
+
+bool WIZnet_Chip::connect(int socket, const char * host, int port, int timeout_ms)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, TCP);
+    scmd(socket, OPEN);
+    sreg_ip(socket, Sn_DIPR, host);
+    sreg<uint16_t>(socket, Sn_DPORT, port);
+    sreg<uint16_t>(socket, Sn_PORT, new_port());
+    scmd(socket, CONNECT);
+    Timer t;
+    t.reset();
+    t.start();
+    while(!is_connected(socket)) {
+        if (t.read_ms() > timeout_ms) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool WIZnet_Chip::gethostbyname(const char* host, uint32_t* ip)
+{
+    uint32_t addr = str_to_ip(host);
+    char buf[17];
+    snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
+    if (strcmp(buf, host) == 0) {
+        *ip = addr;
+        return true;
+    }
+    DNSClient client;
+    if(client.lookup(host)) {
+        *ip = client.ip;
+        return true;
+    }
+    return false;
+}
+
+bool WIZnet_Chip::disconnect()
+{
+    return true;
+}
+
+bool WIZnet_Chip::is_connected(int socket)
+{
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+        return true;
+    }
+    return false;
+}
+
+void WIZnet_Chip::reset()
+{
+    reset_pin = 1;
+    reset_pin = 0;
+    wait_us(2); // 2us
+    reset_pin = 1;
+    wait_ms(150); // 150ms
+    
+    reg_wr<uint8_t>(MR, 1<<7);
+    
+    reg_wr_mac(SHAR, mac);
+}
+
+bool WIZnet_Chip::close(int socket)
+{
+    if (socket < 0) {
+        return false;
+    }
+    // if not connected, return
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_CLOSED) {
+        return true;
+    }
+
+    scmd(socket, CLOSE);
+    sreg<uint8_t>(socket, Sn_IR, 0xff);
+    return true;
+}
+
+int WIZnet_Chip::wait_readable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = 0; int size1 = 0;
+		do {
+	        size = sreg<uint16_t>(socket, Sn_RX_RSR);
+	        if (size != 0) size1 = sreg<uint16_t>(socket, Sn_RX_RSR);
+        }while(size != size1);
+        
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::wait_writeable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = sreg<uint16_t>(socket, Sn_TX_FSR);
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::send(int socket, const char * str, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t base = 0x4000 + socket * 0x800; // each socket has 2K buffer
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_TX_WR);
+    uint16_t dst = base + (ptr&(0x800-1));    
+    if ((dst + len) > (base+0x800)) {
+        int len2 = base + 0x800 - dst;
+        spi_write(dst, (uint8_t*)str, len2);
+        spi_write(base, (uint8_t*)str+len2, len-len2);
+    } else {
+        spi_write(dst, (uint8_t*)str, len);
+    }
+    sreg<uint16_t>(socket, Sn_TX_WR, ptr + len);
+    scmd(socket, SEND);
+    return len;
+}
+
+int WIZnet_Chip::recv(int socket, char* buf, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t base = 0x6000 + socket * 0x800; // each socket has 2K buffer
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_RX_RD);
+    uint16_t src = base + (ptr&(0x800-1));    
+    if ((src + len) > (base+0x800)) {
+        int len2 = base + 0x800 - src;
+        spi_read(src, (uint8_t*)buf, len2);
+        spi_read(base, (uint8_t*)buf+len2, len-len2);
+    } else {
+        spi_read(src, (uint8_t*)buf, len);
+    }
+    sreg<uint16_t>(socket, Sn_RX_RD, ptr + len);
+    scmd(socket, RECV);
+    return len;
+}
+
+int WIZnet_Chip::new_socket()
+{
+    for(int s = 0; s < MAX_SOCK_NUM; s++) {
+        if (sreg<uint8_t>(s, Sn_SR) == SOCK_CLOSED) {
+            return s;
+        }
+    }
+    return -1;
+}
+
+uint16_t WIZnet_Chip::new_port()
+{
+    uint16_t port = rand();
+    port |= 49152;
+    return port;
+}
+
+void WIZnet_Chip::scmd(int socket, Command cmd)
+{
+    sreg<uint8_t>(socket, Sn_CR, cmd);
+    while(sreg<uint8_t>(socket, Sn_CR));
+}
+
+void WIZnet_Chip::spi_write(uint16_t addr, const uint8_t *buf, uint16_t len)
+{
+    for(int i = 0; i < len; i++) {
+		cs = 0;
+    	spi->write(0xf0);
+    	spi->write(addr >> 8);
+    	spi->write(addr & 0xff);
+        addr++;
+    	spi->write(buf[i]);
+		cs = 1;
+    }
+#if DBG_SPI
+    debug("[SPI]W %04x(%d)", addr, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+#endif    
+}
+
+void WIZnet_Chip::spi_read(uint16_t addr, uint8_t *buf, uint16_t len)
+{
+    for(int i = 0; i < len; i++) {
+        cs = 0;
+        spi->write(0x0f);
+        spi->write(addr >> 8);
+        spi->write(addr & 0xff);
+        addr++;
+        buf[i] = spi->write(0);
+        cs = 1;
+    }
+#if DBG_SPI
+    debug("[SPI]R %04x(%d)", addr, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+    if ((addr&0xf0ff)==0x4026 || (addr&0xf0ff)==0x4003) {
+        wait_ms(200);
+    }
+#endif    
+}
+
+uint32_t str_to_ip(const char* str)
+{
+    uint32_t ip = 0;
+    char* p = (char*)str;
+    for(int i = 0; i < 4; i++) {
+        ip |= atoi(p);
+        p = strchr(p, '.');
+        if (p == NULL) {
+            break;
+        }
+        ip <<= 8;
+        p++;
+    }
+    return ip;
+}
+
+void printfBytes(char* str, uint8_t* buf, int len)
+{
+    printf("%s %d:", str, len);
+    for(int i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");  
+}
+
+void printHex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            printf("%p", buf+i);
+        }
+        printf(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+}
+
+void debug_hex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            debug("%p", buf+i);
+        }
+        debug(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            debug("\n");
+        }
+    }
+    debug("\n");
+}
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5100.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,262 @@
+/* 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.
+ *
+ */
+
+#pragma once
+
+#include "mbed.h"
+#include "mbed_debug.h"
+
+#define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
+
+#define DEFAULT_WAIT_RESP_TIMEOUT 500
+
+enum Protocol {
+    CLOSED = 0,
+    TCP    = 1,
+    UDP    = 2,
+};
+
+enum Command {
+    OPEN      = 0x01,
+    LISTEN    = 0x02,
+    CONNECT   = 0x04,
+    DISCON    = 0x08,
+    CLOSE     = 0x10,
+    SEND      = 0x20,
+    SEND_MAC  = 0x21, 
+    SEND_KEEP = 0x22,
+    RECV      = 0x40,
+    
+};
+
+enum Interrupt {
+    INT_CON     = 0x01,
+    INT_DISCON  = 0x02,
+    INT_RECV    = 0x04,
+    INT_TIMEOUT = 0x08,
+    INT_SEND_OK = 0x10,
+};
+
+enum Status {
+    SOCK_CLOSED      = 0x00,
+    SOCK_INIT        = 0x13,
+    SOCK_LISTEN      = 0x14,
+    SOCK_ESTABLISHED = 0x17,
+    SOCK_CLOSE_WAIT  = 0x1c,
+    SOCK_UDP         = 0x22,
+};
+
+#define MAX_SOCK_NUM 4
+
+#define MR        0x0000
+#define GAR       0x0001
+#define SUBR      0x0005
+#define SHAR      0x0009
+#define SIPR      0x000f
+
+// W5100 socket
+#define Sn_MR         0x0400
+#define Sn_CR         0x0401
+#define Sn_IR         0x0402
+#define Sn_SR         0x0403
+#define Sn_PORT       0x0404
+#define Sn_DIPR       0x040c
+#define Sn_DPORT      0x0410
+//#define Sn_RXBUF_SIZE 0x401e
+//#define Sn_TXBUF_SIZE 0x401f
+#define Sn_TX_FSR     0x0420
+#define Sn_TX_WR      0x0424
+#define Sn_RX_RSR     0x0426
+#define Sn_RX_RD      0x0428
+
+class WIZnet_Chip {
+public:
+    /*
+    * Constructor
+    *
+    * @param spi spi class
+    * @param cs cs of the W5200
+    * @param reset reset pin of the W5200
+    */
+	WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+	WIZnet_Chip(SPI* spi, PinName cs, PinName reset);
+
+    /*
+    * Connect the W5200 module to the ssid contained in the constructor.
+    *
+    * @return true if connected, false otherwise
+    */
+    bool setip();
+
+    /*
+    * Disconnect the W5200 module from the access point
+    *
+    * @ returns true if successful
+    */
+    bool disconnect();
+
+    /*
+    * Open a tcp connection with the specified host on the specified port
+    *
+    * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
+    * @param port port
+    * @ returns true if successful
+    */
+    bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
+
+    /*
+    * Set the protocol (UDP or TCP)
+    *
+    * @param p protocol
+    * @ returns true if successful
+    */
+    bool setProtocol(int socket, Protocol p);
+
+    /*
+    * Reset the W5100 module
+    */
+    void reset();
+    
+   
+    int wait_readable(int socket, int wait_time_ms, int req_size = 0);
+
+    int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
+
+    /*
+    * Check if a tcp link is active
+    *
+    * @returns true if successful
+    */
+    bool is_connected(int socket);
+
+    /*
+    * Close a tcp connection
+    *
+    * @ returns true if successful
+    */
+    bool close(int socket);
+
+    /*
+    * @param str string to be sent
+    * @param len string length
+    */
+    int send(int socket, const char * str, int len);
+
+    int recv(int socket, char* buf, int len);
+
+    /*
+    * Return true if the module is using dhcp
+    *
+    * @returns true if the module is using dhcp
+    */
+    bool isDHCP() {
+        return dhcp;
+    }
+
+    bool gethostbyname(const char* host, uint32_t* ip);
+
+    static WIZnet_Chip * getInstance() {
+        return inst;
+    };
+
+    int new_socket();
+    uint16_t new_port();
+    void scmd(int socket, Command cmd);
+
+    template<typename T>
+    void sreg(int socket, uint16_t addr, T data) {
+        reg_wr<T>(addr+0x100*socket, data);
+    }
+
+    template<typename T>
+    T sreg(int socket, uint16_t addr) {
+        return reg_rd<T>(addr+0x100*socket);
+    }
+
+    template<typename T>
+    void reg_wr(uint16_t addr, T data) {
+        uint8_t buf[sizeof(T)];
+        *reinterpret_cast<T*>(buf) = data;
+        for(int i = 0; i < sizeof(buf)/2; i++) { //  Little Endian to Big Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        spi_write(addr, buf, sizeof(buf));
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr) {
+        uint8_t buf[sizeof(T)];
+        spi_read(addr, buf, sizeof(buf));
+        for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        return *reinterpret_cast<T*>(buf);
+    }
+
+    void reg_rd_mac(uint16_t addr, uint8_t* data) {
+        spi_read(addr, data, 6);
+    }
+
+    void reg_wr_ip(uint16_t addr, const char* ip) {
+        uint8_t buf[4];
+        char* p = (char*)ip;
+        for(int i = 0; i < 4; i++) {
+            buf[i] = atoi(p);
+            p = strchr(p, '.');
+            if (p == NULL) {
+                break;
+            }
+            p++;
+        }
+        spi_write(addr, buf, sizeof(buf));
+    }
+
+    void sreg_ip(int socket, uint16_t addr, const char* ip) {
+        reg_wr_ip(addr+0x100*socket, ip);
+    }
+
+protected:
+    uint8_t mac[6];
+    uint32_t ip;
+    uint32_t netmask;
+    uint32_t gateway;
+    uint32_t dnsaddr;
+    bool dhcp;
+
+    static WIZnet_Chip* inst;
+
+    void reg_wr_mac(uint16_t addr, uint8_t* data) {
+        spi_write(addr, data, 6);
+    }
+
+    void spi_write(uint16_t addr, const uint8_t *buf, uint16_t len);
+    void spi_read(uint16_t addr, uint8_t *buf, uint16_t len);
+    SPI* spi;
+    DigitalOut cs;
+    DigitalOut reset_pin;
+};
+
+extern uint32_t str_to_ip(const char* str);
+extern void printfBytes(char* str, uint8_t* buf, int len);
+extern void printHex(uint8_t* buf, int len);
+extern void debug_hex(uint8_t* buf, int len);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5200.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,374 @@
+/* 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 "mbed_debug.h"
+#include "wiznet.h"
+#include "DNSClient.h"
+
+#ifdef USE_W5200
+
+//Debug is disabled by default
+#if 0
+#define DBG(...) do{debug("%p %d %s ", this,__LINE__,__PRETTY_FUNCTION__); debug(__VA_ARGS__); } while(0);
+//#define DBG(x, ...) debug("[WIZnet_Chip:DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) debug("[WIZnet_Chip:WARN]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) debug("[WIZnet_Chip:ERR]"x"\r\n", ##__VA_ARGS__);
+#else
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+#if 1
+#define INFO(x, ...) debug("[WIZnet_Chip:INFO]"x"\r\n", ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#endif
+
+#define DBG_SPI 0
+
+WIZnet_Chip* WIZnet_Chip::inst;
+
+WIZnet_Chip::WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    spi = new SPI(mosi, miso, sclk);
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+WIZnet_Chip::WIZnet_Chip(SPI* spi, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    this->spi = spi;
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+bool WIZnet_Chip::setip()
+{
+    reg_wr<uint32_t>(SIPR, ip);
+    reg_wr<uint32_t>(GAR, gateway);
+    reg_wr<uint32_t>(SUBR, netmask);
+    return true;
+}
+
+bool WIZnet_Chip::setProtocol(int socket, Protocol p)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, p);
+    return true;
+}
+
+bool WIZnet_Chip::connect(int socket, const char * host, int port, int timeout_ms)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, TCP);
+    scmd(socket, OPEN);
+    sreg_ip(socket, Sn_DIPR, host);
+    sreg<uint16_t>(socket, Sn_DPORT, port);
+    sreg<uint16_t>(socket, Sn_PORT, new_port());
+    scmd(socket, CONNECT);
+    Timer t;
+    t.reset();
+    t.start();
+    while(!is_connected(socket)) {
+        if (t.read_ms() > timeout_ms) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool WIZnet_Chip::gethostbyname(const char* host, uint32_t* ip)
+{
+    uint32_t addr = str_to_ip(host);
+    char buf[17];
+    snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
+    if (strcmp(buf, host) == 0) {
+        *ip = addr;
+        return true;
+    }
+    DNSClient client;
+    if(client.lookup(host)) {
+        *ip = client.ip;
+        return true;
+    }
+    return false;
+}
+
+bool WIZnet_Chip::disconnect()
+{
+    return true;
+}
+
+bool WIZnet_Chip::is_connected(int socket)
+{
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+        return true;
+    }
+    return false;
+}
+
+void WIZnet_Chip::reset()
+{
+    reset_pin = 1;
+    reset_pin = 0;
+    wait_us(2); // 2us
+    reset_pin = 1;
+    wait_ms(150); // 150ms
+    
+    reg_wr<uint8_t>(MR, 1<<7);
+
+    reg_wr_mac(SHAR, mac);
+}
+
+bool WIZnet_Chip::close(int socket)
+{
+    if (socket < 0) {
+        return false;
+    }
+    // if not connected, return
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_CLOSED) {
+        return true;
+    }
+    if (sreg<uint8_t>(socket, Sn_MR) == TCP) {
+        scmd(socket, DISCON);
+    }
+    scmd(socket, CLOSE);
+    sreg<uint8_t>(socket, Sn_IR, 0xff);
+    return true;
+}
+
+int WIZnet_Chip::wait_readable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = sreg<uint16_t>(socket, Sn_RX_RSR);
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::wait_writeable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        int size = sreg<uint16_t>(socket, Sn_TX_FSR);
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::send(int socket, const char * str, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t base = 0x8000 + socket * 0x800;
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_TX_WR);
+    uint16_t dst = base + (ptr&(0x800-1));    
+    if ((dst + len) > (base+0x800)) {
+        int len2 = base + 0x800 - dst;
+        spi_write(dst, (uint8_t*)str, len2);
+        spi_write(base, (uint8_t*)str+len2, len-len2);
+    } else {
+        spi_write(dst, (uint8_t*)str, len);
+    }
+    sreg<uint16_t>(socket, Sn_TX_WR, ptr + len);
+    scmd(socket, SEND);
+    return len;
+}
+
+int WIZnet_Chip::recv(int socket, char* buf, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t base = 0xc000 + socket * 0x800;
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_RX_RD);
+    uint16_t src = base + (ptr&(0x800-1));    
+    if ((src + len) > (base+0x800)) {
+        int len2 = base + 0x800 - src;
+        spi_read(src, (uint8_t*)buf, len2);
+        spi_read(base, (uint8_t*)buf+len2, len-len2);
+    } else {
+        spi_read(src, (uint8_t*)buf, len);
+    }
+    sreg<uint16_t>(socket, Sn_RX_RD, ptr + len);
+    scmd(socket, RECV);
+    return len;
+}
+
+int WIZnet_Chip::new_socket()
+{
+    for(int s = 0; s < 8; s++) {
+        if (sreg<uint8_t>(s, Sn_SR) == SOCK_CLOSED) {
+            return s;
+        }
+    }
+    return -1;
+}
+
+uint16_t WIZnet_Chip::new_port()
+{
+    uint16_t port = rand();
+    port |= 49152;
+    return port;
+}
+
+void WIZnet_Chip::scmd(int socket, Command cmd)
+{
+    sreg<uint8_t>(socket, Sn_CR, cmd);
+    while(sreg<uint8_t>(socket, Sn_CR));
+}
+
+void WIZnet_Chip::spi_write(uint16_t addr, const uint8_t *buf, uint16_t len)
+{
+    cs = 0;
+    spi->write(addr >> 8);
+    spi->write(addr & 0xff);
+    spi->write((0x80 | ((len & 0x7f00) >> 8)));
+    spi->write(len & 0xff);
+    for(int i = 0; i < len; i++) {
+        spi->write(buf[i]);
+    }
+    cs = 1;
+
+#if DBG_SPI
+    debug("[SPI]W %04x(%d)", addr, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+#endif    
+}
+
+void WIZnet_Chip::spi_read(uint16_t addr, uint8_t *buf, uint16_t len)
+{
+    cs = 0;
+    spi->write(addr >> 8);
+    spi->write(addr & 0xff);
+    spi->write((0x00 | ((len & 0x7f00) >> 8)));
+    spi->write(len & 0xff);
+    for(int i = 0; i < len; i++) {
+        buf[i] = spi->write(0);
+    }
+    cs = 1;
+
+#if DBG_SPI
+    debug("[SPI]R %04x(%d)", addr, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+    if ((addr&0xf0ff)==0x4026 || (addr&0xf0ff)==0x4003) {
+        wait_ms(200);
+    }
+#endif    
+}
+
+uint32_t str_to_ip(const char* str)
+{
+    uint32_t ip = 0;
+    char* p = (char*)str;
+    for(int i = 0; i < 4; i++) {
+        ip |= atoi(p);
+        p = strchr(p, '.');
+        if (p == NULL) {
+            break;
+        }
+        ip <<= 8;
+        p++;
+    }
+    return ip;
+}
+
+void printfBytes(char* str, uint8_t* buf, int len)
+{
+    printf("%s %d:", str, len);
+    for(int i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");  
+}
+
+void printHex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            printf("%p", buf+i);
+        }
+        printf(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+}
+
+void debug_hex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            debug("%p", buf+i);
+        }
+        debug(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            debug("\n");
+        }
+    }
+    debug("\n");
+}
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5200.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,264 @@
+/* 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.
+ *
+ */
+
+#pragma once
+
+#include "mbed.h"
+#include "mbed_debug.h"
+
+#define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
+
+#define DEFAULT_WAIT_RESP_TIMEOUT 500
+
+enum Protocol {
+    CLOSED = 0,
+    TCP    = 1,
+    UDP    = 2,
+};
+
+enum Command {
+    OPEN      = 0x01,
+    LISTEN    = 0x02,
+    CONNECT   = 0x04,
+    DISCON    = 0x08,
+    CLOSE     = 0x10,
+    SEND      = 0x20,
+    SEND_MAC  = 0x21, 
+    SEND_KEEP = 0x22,
+    RECV      = 0x40,
+    
+};
+
+enum Interrupt {
+    INT_CON     = 0x01,
+    INT_DISCON  = 0x02,
+    INT_RECV    = 0x04,
+    INT_TIMEOUT = 0x08,
+    INT_SEND_OK = 0x10,
+};
+
+enum Status {
+    SOCK_CLOSED      = 0x00,
+    SOCK_INIT        = 0x13,
+    SOCK_LISTEN      = 0x14,
+    SOCK_SYNSENT     = 0x15,
+    SOCK_ESTABLISHED = 0x17,
+    SOCK_CLOSE_WAIT  = 0x1c,
+    SOCK_UDP         = 0x22,
+};
+
+#define MAX_SOCK_NUM 8
+
+#define MR        0x0000
+#define GAR       0x0001
+#define SUBR      0x0005
+#define SHAR      0x0009
+#define SIPR      0x000f
+#define PHYSTATUS 0x0035
+
+// W5200 socket
+#define Sn_MR         0x4000
+#define Sn_CR         0x4001
+#define Sn_IR         0x4002
+#define Sn_SR         0x4003
+#define Sn_PORT       0x4004
+#define Sn_DIPR       0x400c
+#define Sn_DPORT      0x4010
+#define Sn_RXBUF_SIZE 0x401e
+#define Sn_TXBUF_SIZE 0x401f
+#define Sn_TX_FSR     0x4020
+#define Sn_TX_WR      0x4024
+#define Sn_RX_RSR     0x4026
+#define Sn_RX_RD      0x4028
+
+class WIZnet_Chip {
+public:
+    /*
+    * Constructor
+    *
+    * @param spi spi class
+    * @param cs cs of the W5200
+    * @param reset reset pin of the W5200
+    */
+	WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+	WIZnet_Chip(SPI* spi, PinName cs, PinName reset);
+
+    /*
+    * Connect the W5200 module to the ssid contained in the constructor.
+    *
+    * @return true if connected, false otherwise
+    */
+    bool setip();
+
+    /*
+    * Disconnect the W5200 module from the access point
+    *
+    * @ returns true if successful
+    */
+    bool disconnect();
+
+    /*
+    * Open a tcp connection with the specified host on the specified port
+    *
+    * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
+    * @param port port
+    * @ returns true if successful
+    */
+    bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
+
+    /*
+    * Set the protocol (UDP or TCP)
+    *
+    * @param p protocol
+    * @ returns true if successful
+    */
+    bool setProtocol(int socket, Protocol p);
+
+    /*
+    * Reset the W5200 module
+    */
+    void reset();
+    
+   
+    int wait_readable(int socket, int wait_time_ms, int req_size = 0);
+
+    int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
+
+    /*
+    * Check if a tcp link is active
+    *
+    * @returns true if successful
+    */
+    bool is_connected(int socket);
+
+    /*
+    * Close a tcp connection
+    *
+    * @ returns true if successful
+    */
+    bool close(int socket);
+
+    /*
+    * @param str string to be sent
+    * @param len string length
+    */
+    int send(int socket, const char * str, int len);
+
+    int recv(int socket, char* buf, int len);
+
+    /*
+    * Return true if the module is using dhcp
+    *
+    * @returns true if the module is using dhcp
+    */
+    bool isDHCP() {
+        return dhcp;
+    }
+
+    bool gethostbyname(const char* host, uint32_t* ip);
+
+    static WIZnet_Chip * getInstance() {
+        return inst;
+    };
+
+    int new_socket();
+    uint16_t new_port();
+    void scmd(int socket, Command cmd);
+
+    template<typename T>
+    void sreg(int socket, uint16_t addr, T data) {
+        reg_wr<T>(addr+0x100*socket, data);
+    }
+
+    template<typename T>
+    T sreg(int socket, uint16_t addr) {
+        return reg_rd<T>(addr+0x100*socket);
+    }
+
+    template<typename T>
+    void reg_wr(uint16_t addr, T data) {
+        uint8_t buf[sizeof(T)];
+        *reinterpret_cast<T*>(buf) = data;
+        for(int i = 0; i < sizeof(buf)/2; i++) { //  Little Endian to Big Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        spi_write(addr, buf, sizeof(buf));
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr) {
+        uint8_t buf[sizeof(T)];
+        spi_read(addr, buf, sizeof(buf));
+        for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        return *reinterpret_cast<T*>(buf);
+    }
+
+    void reg_rd_mac(uint16_t addr, uint8_t* data) {
+        spi_read(addr, data, 6);
+    }
+
+    void reg_wr_ip(uint16_t addr, const char* ip) {
+        uint8_t buf[4];
+        char* p = (char*)ip;
+        for(int i = 0; i < 4; i++) {
+            buf[i] = atoi(p);
+            p = strchr(p, '.');
+            if (p == NULL) {
+                break;
+            }
+            p++;
+        }
+        spi_write(addr, buf, sizeof(buf));
+    }
+
+    void sreg_ip(int socket, uint16_t addr, const char* ip) {
+        reg_wr_ip(addr+0x100*socket, ip);
+    }
+
+protected:
+    uint8_t mac[6];
+    uint32_t ip;
+    uint32_t netmask;
+    uint32_t gateway;
+    uint32_t dnsaddr;
+    bool dhcp;
+
+    static WIZnet_Chip* inst;
+
+    void reg_wr_mac(uint16_t addr, uint8_t* data) {
+        spi_write(addr, data, 6);
+    }
+
+    void spi_write(uint16_t addr, const uint8_t *buf, uint16_t len);
+    void spi_read(uint16_t addr, uint8_t *buf, uint16_t len);
+    SPI* spi;
+    DigitalOut cs;
+    DigitalOut reset_pin;
+};
+
+extern uint32_t str_to_ip(const char* str);
+extern void printfBytes(char* str, uint8_t* buf, int len);
+extern void printHex(uint8_t* buf, int len);
+extern void debug_hex(uint8_t* buf, int len);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5500.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,421 @@
+/* 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 "mbed_debug.h"
+#include "wiznet.h"
+#include "DNSClient.h"
+
+#ifdef USE_W5500
+//Debug is disabled by default
+#if 0
+#define DBG(...) do{debug("%p %d %s ", this,__LINE__,__PRETTY_FUNCTION__); debug(__VA_ARGS__); } while(0);
+//#define DBG(x, ...) debug("[W5500:DBG]"x"\r\n", ##__VA_ARGS__);
+#define WARN(x, ...) debug("[W5500:WARN]"x"\r\n", ##__VA_ARGS__);
+#define ERR(x, ...) debug("[W5500:ERR]"x"\r\n", ##__VA_ARGS__);
+#else
+#define DBG(x, ...)
+#define WARN(x, ...)
+#define ERR(x, ...)
+#endif
+
+#if 1
+#define INFO(x, ...) debug("[W5500:INFO]"x"\r\n", ##__VA_ARGS__);
+#else
+#define INFO(x, ...)
+#endif
+
+#define DBG_SPI 0
+
+WIZnet_Chip* WIZnet_Chip::inst;
+
+WIZnet_Chip::WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    spi = new SPI(mosi, miso, sclk);
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+WIZnet_Chip::WIZnet_Chip(SPI* spi, PinName _cs, PinName _reset):
+    cs(_cs), reset_pin(_reset)
+{
+    this->spi = spi;
+    cs = 1;
+    reset_pin = 1;
+    inst = this;
+}
+
+// Set the IP
+bool WIZnet_Chip::setip()
+{
+    reg_wr<uint32_t>(SIPR, ip);
+    reg_wr<uint32_t>(GAR, gateway);
+    reg_wr<uint32_t>(SUBR, netmask);
+    return true;
+}
+
+bool WIZnet_Chip::setProtocol(int socket, Protocol p)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, p);
+    return true;
+}
+
+bool WIZnet_Chip::connect(int socket, const char * host, int port, int timeout_ms)
+{
+    if (socket < 0) {
+        return false;
+    }
+    sreg<uint8_t>(socket, Sn_MR, TCP);
+    scmd(socket, OPEN);
+    sreg_ip(socket, Sn_DIPR, host);
+    sreg<uint16_t>(socket, Sn_DPORT, port);
+    sreg<uint16_t>(socket, Sn_PORT, new_port());
+    scmd(socket, CONNECT);
+    Timer t;
+    t.reset();
+    t.start();
+    while(!is_connected(socket)) {
+        if (t.read_ms() > timeout_ms) {
+            return false;
+        }
+    }
+    return true;
+}
+
+bool WIZnet_Chip::gethostbyname(const char* host, uint32_t* ip)
+{
+    uint32_t addr = str_to_ip(host);
+    char buf[17];
+    snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff);
+    if (strcmp(buf, host) == 0) {
+        *ip = addr;
+        return true;
+    }
+    DNSClient client;
+    if(client.lookup(host)) {
+        *ip = client.ip;
+        return true;
+    }
+    return false;
+}
+
+bool WIZnet_Chip::disconnect()
+{
+    return true;
+}
+
+bool WIZnet_Chip::is_connected(int socket)
+{
+    /*
+        if (sreg<uint8_t>(socket, Sn_SR) == SOCK_ESTABLISHED) {
+            return true;
+        }
+    */
+    uint8_t tmpSn_SR;
+    tmpSn_SR = sreg<uint8_t>(socket, Sn_SR);
+    // packet sending is possible, when state is SOCK_CLOSE_WAIT.
+    if ((tmpSn_SR == SOCK_ESTABLISHED) || (tmpSn_SR == SOCK_CLOSE_WAIT)) {
+        return true;
+    }
+    return false;
+}
+
+// Reset the chip & set the buffer
+void WIZnet_Chip::reset()
+{
+    reset_pin = 1;
+    reset_pin = 0;
+    wait_us(500); // 500us (w5500)
+    reset_pin = 1;
+    wait_ms(400); // 400ms (w5500)
+
+#if defined(USE_WIZ550IO_MAC)
+    reg_rd_mac(SHAR, mac); // read the MAC address inside the module
+#endif
+
+    reg_wr_mac(SHAR, mac);
+
+    // set RX and TX buffer size
+    for (int socket = 0; socket < MAX_SOCK_NUM; socket++) {
+        sreg<uint8_t>(socket, Sn_RXBUF_SIZE, 2);
+        sreg<uint8_t>(socket, Sn_TXBUF_SIZE, 2);
+    }
+}
+
+
+bool WIZnet_Chip::close(int socket)
+{
+    if (socket < 0) {
+        return false;
+    }
+    // if not connected, return
+    if (sreg<uint8_t>(socket, Sn_SR) == SOCK_CLOSED) {
+        return true;
+    }
+    if (sreg<uint8_t>(socket, Sn_MR) == TCP) {
+        scmd(socket, DISCON);
+    }
+    scmd(socket, CLOSE);
+    sreg<uint8_t>(socket, Sn_IR, 0xff);
+    return true;
+}
+
+int WIZnet_Chip::wait_readable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        //int size = sreg<uint16_t>(socket, Sn_RX_RSR);
+        // during the reading Sn_RX_RXR, it has the possible change of this register.
+        // so read twice and get same value then use size information.
+        int size, size2;
+        do {
+            size = sreg<uint16_t>(socket, Sn_RX_RSR);
+            size2 = sreg<uint16_t>(socket, Sn_RX_RSR);
+        } while (size != size2);
+        
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::wait_writeable(int socket, int wait_time_ms, int req_size)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    Timer t;
+    t.reset();
+    t.start();
+    while(1) {
+        //int size = sreg<uint16_t>(socket, Sn_TX_FSR);
+        // during the reading Sn_TX_FSR, it has the possible change of this register.
+        // so read twice and get same value then use size information.
+        int size, size2;
+        do {
+            size = sreg<uint16_t>(socket, Sn_TX_FSR);
+            size2 = sreg<uint16_t>(socket, Sn_TX_FSR);
+        } while (size != size2);
+        
+        if (size > req_size) {
+            return size;
+        }
+        if (wait_time_ms != (-1) && t.read_ms() > wait_time_ms) {
+            break;
+        }
+    }
+    return -1;
+}
+
+int WIZnet_Chip::send(int socket, const char * str, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_TX_WR);
+    uint8_t cntl_byte = (0x14 + (socket << 5));
+    spi_write(ptr, cntl_byte, (uint8_t*)str, len);
+    sreg<uint16_t>(socket, Sn_TX_WR, ptr + len);
+    scmd(socket, SEND);
+    uint8_t tmp_Sn_IR;
+    while (( (tmp_Sn_IR = sreg<uint8_t>(socket, Sn_IR)) & INT_SEND_OK) != INT_SEND_OK) {
+        // @Jul.10, 2014 fix contant name, and udp sendto function.
+        switch (sreg<uint8_t>(socket, Sn_SR)) {
+            case SOCK_CLOSED :
+                close(socket);
+                return 0;
+                //break;
+            case SOCK_UDP :
+                // ARP timeout is possible.
+                if ((tmp_Sn_IR & INT_TIMEOUT) == INT_TIMEOUT) {
+                    sreg<uint8_t>(socket, Sn_IR, INT_TIMEOUT);
+                    return 0;
+                }
+                break;
+            default :
+                break;
+        }
+    }
+    /*
+        while ((sreg<uint8_t>(socket, Sn_IR) & INT_SEND_OK) != INT_SEND_OK) {
+            if (sreg<uint8_t>(socket, Sn_SR) == CLOSED) {
+                close(socket);
+                return 0;
+            }
+        }
+    */
+    sreg<uint8_t>(socket, Sn_IR, INT_SEND_OK);
+
+    return len;
+}
+
+int WIZnet_Chip::recv(int socket, char* buf, int len)
+{
+    if (socket < 0) {
+        return -1;
+    }
+    uint16_t ptr = sreg<uint16_t>(socket, Sn_RX_RD);
+    uint8_t cntl_byte = (0x18 + (socket << 5));
+    spi_read(ptr, cntl_byte, (uint8_t*)buf, len);
+    sreg<uint16_t>(socket, Sn_RX_RD, ptr + len);
+    scmd(socket, RECV);
+    return len;
+}
+
+int WIZnet_Chip::new_socket()
+{
+    for(int s = 0; s < MAX_SOCK_NUM; s++) {
+        if (sreg<uint8_t>(s, Sn_SR) == SOCK_CLOSED) {
+            return s;
+        }
+    }
+    return -1;
+}
+
+uint16_t WIZnet_Chip::new_port()
+{
+    uint16_t port = rand();
+    port |= 49152;
+    return port;
+}
+
+void WIZnet_Chip::scmd(int socket, Command cmd)
+{
+    sreg<uint8_t>(socket, Sn_CR, cmd);
+    while(sreg<uint8_t>(socket, Sn_CR));
+}
+
+void WIZnet_Chip::spi_write(uint16_t addr, uint8_t cb, const uint8_t *buf, uint16_t len)
+{
+    cs = 0;
+    spi->write(addr >> 8);
+    spi->write(addr & 0xff);
+    spi->write(cb);
+    for(int i = 0; i < len; i++) {
+        spi->write(buf[i]);
+    }
+    cs = 1;
+
+#if DBG_SPI
+    debug("[SPI]W %04x(%02x %d)", addr, cb, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+#endif
+}
+
+void WIZnet_Chip::spi_read(uint16_t addr, uint8_t cb, uint8_t *buf, uint16_t len)
+{
+    cs = 0;
+    spi->write(addr >> 8);
+    spi->write(addr & 0xff);
+    spi->write(cb);
+    for(int i = 0; i < len; i++) {
+        buf[i] = spi->write(0);
+    }
+    cs = 1;
+
+#if DBG_SPI
+    debug("[SPI]R %04x(%02x %d)", addr, cb, len);
+    for(int i = 0; i < len; i++) {
+        debug(" %02x", buf[i]);
+        if (i > 16) {
+            debug(" ...");
+            break;
+        }
+    }
+    debug("\r\n");
+    if ((addr&0xf0ff)==0x4026 || (addr&0xf0ff)==0x4003) {
+        wait_ms(200);
+    }
+#endif
+}
+
+uint32_t str_to_ip(const char* str)
+{
+    uint32_t ip = 0;
+    char* p = (char*)str;
+    for(int i = 0; i < 4; i++) {
+        ip |= atoi(p);
+        p = strchr(p, '.');
+        if (p == NULL) {
+            break;
+        }
+        ip <<= 8;
+        p++;
+    }
+    return ip;
+}
+
+void printfBytes(char* str, uint8_t* buf, int len)
+{
+    printf("%s %d:", str, len);
+    for(int i = 0; i < len; i++) {
+        printf(" %02x", buf[i]);
+    }
+    printf("\n");
+}
+
+void printHex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            printf("%p", buf+i);
+        }
+        printf(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            printf("\n");
+        }
+    }
+    printf("\n");
+}
+
+void debug_hex(uint8_t* buf, int len)
+{
+    for(int i = 0; i < len; i++) {
+        if ((i%16) == 0) {
+            debug("%p", buf+i);
+        }
+        debug(" %02x", buf[i]);
+        if ((i%16) == 15) {
+            debug("\n");
+        }
+    }
+    debug("\n");
+}
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5500.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,273 @@
+/* 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.
+ *
+ */
+
+#pragma once
+
+#include "mbed.h"
+#include "mbed_debug.h"
+
+#define TEST_ASSERT(A) while(!(A)){debug("\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
+
+#define DEFAULT_WAIT_RESP_TIMEOUT 500
+
+enum Protocol {
+    CLOSED = 0,
+    TCP    = 1,
+    UDP    = 2,
+};
+
+enum Command {
+    OPEN      = 0x01,
+    LISTEN    = 0x02,
+    CONNECT   = 0x04,
+    DISCON    = 0x08,
+    CLOSE     = 0x10,
+    SEND      = 0x20,
+    SEND_MAC  = 0x21, 
+    SEND_KEEP = 0x22,
+    RECV      = 0x40,
+    
+};
+
+enum Interrupt {
+    INT_CON     = 0x01,
+    INT_DISCON  = 0x02,
+    INT_RECV    = 0x04,
+    INT_TIMEOUT = 0x08,
+    INT_SEND_OK = 0x10,
+};
+
+enum Status {
+    SOCK_CLOSED      = 0x00,
+    SOCK_INIT        = 0x13,
+    SOCK_LISTEN      = 0x14,
+    SOCK_SYNSENT     = 0x15,
+    SOCK_ESTABLISHED = 0x17,
+    SOCK_CLOSE_WAIT  = 0x1c,
+    SOCK_UDP         = 0x22,
+};
+
+#define MAX_SOCK_NUM 8
+
+#define MR        0x0000
+#define GAR       0x0001
+#define SUBR      0x0005
+#define SHAR      0x0009
+#define SIPR      0x000f
+#define PHYSTATUS 0x0035
+
+// W5500 socket register
+#define Sn_MR         0x0000
+#define Sn_CR         0x0001
+#define Sn_IR         0x0002
+#define Sn_SR         0x0003
+#define Sn_PORT       0x0004
+#define Sn_DIPR       0x000c
+#define Sn_DPORT      0x0010
+#define Sn_RXBUF_SIZE 0x001e
+#define Sn_TXBUF_SIZE 0x001f
+#define Sn_TX_FSR     0x0020
+#define Sn_TX_WR      0x0024
+#define Sn_RX_RSR     0x0026
+#define Sn_RX_RD      0x0028
+
+class WIZnet_Chip {
+public:
+    /*
+    * Constructor
+    *
+    * @param spi spi class
+    * @param cs cs of the W5500
+    * @param reset reset pin of the W5500
+    */
+	WIZnet_Chip(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+	WIZnet_Chip(SPI* spi, PinName cs, PinName reset);
+
+    /*
+    * Connect the W5500 to the ssid contained in the constructor.
+    *
+    * @return true if connected, false otherwise
+    */ 
+    bool setip();
+
+    /*
+    * Disconnect the connection
+    *
+    * @ returns true 
+    */
+    bool disconnect();
+
+    /*
+    * Open a tcp connection with the specified host on the specified port
+    *
+    * @param host host (can be either an ip address or a name. If a name is provided, a dns request will be established)
+    * @param port port
+    * @ returns true if successful
+    */
+    bool connect(int socket, const char * host, int port, int timeout_ms = 10*1000);
+
+    /*
+    * Set the protocol (UDP or TCP)
+    *
+    * @param p protocol
+    * @ returns true if successful
+    */
+    bool setProtocol(int socket, Protocol p);
+
+    /*
+    * Reset the W5500
+    */
+    void reset();
+   
+    int wait_readable(int socket, int wait_time_ms, int req_size = 0);
+
+    int wait_writeable(int socket, int wait_time_ms, int req_size = 0);
+
+    /*
+    * Check if a tcp link is active
+    *
+    * @returns true if successful
+    */
+    bool is_connected(int socket);
+
+    /*
+    * Close a tcp connection
+    *
+    * @ returns true if successful
+    */
+    bool close(int socket);
+
+    /*
+    * @param str string to be sent
+    * @param len string length
+    */
+    int send(int socket, const char * str, int len);
+
+    int recv(int socket, char* buf, int len);
+
+    /*
+    * Return true if the module is using dhcp
+    *
+    * @returns true if the module is using dhcp
+    */
+    bool isDHCP() {
+        return dhcp;
+    }
+
+    bool gethostbyname(const char* host, uint32_t* ip);
+
+    static WIZnet_Chip * getInstance() {
+        return inst;
+    };
+
+    int new_socket();
+    uint16_t new_port();
+    void scmd(int socket, Command cmd);
+
+    template<typename T>
+    void sreg(int socket, uint16_t addr, T data) {
+        reg_wr<T>(addr, (0x0C + (socket << 5)), data);
+    }
+
+    template<typename T>
+    T sreg(int socket, uint16_t addr) {
+        return reg_rd<T>(addr, (0x08 + (socket << 5)));
+    }
+
+    template<typename T>
+    void reg_wr(uint16_t addr, T data) {
+        return reg_wr(addr, 0x04, data);
+    }
+    
+    template<typename T>
+    void reg_wr(uint16_t addr, uint8_t cb, T data) {
+        uint8_t buf[sizeof(T)];
+        *reinterpret_cast<T*>(buf) = data;
+        for(int i = 0; i < sizeof(buf)/2; i++) { //  Little Endian to Big Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        spi_write(addr, cb, buf, sizeof(buf));
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr) {
+        return reg_rd<T>(addr, 0x00);
+    }
+
+    template<typename T>
+    T reg_rd(uint16_t addr, uint8_t cb) {
+        uint8_t buf[sizeof(T)];
+        spi_read(addr, cb, buf, sizeof(buf));
+        for(int i = 0; i < sizeof(buf)/2; i++) { // Big Endian to Little Endian
+            uint8_t t = buf[i];
+            buf[i] = buf[sizeof(buf)-1-i];
+            buf[sizeof(buf)-1-i] = t;
+        }
+        return *reinterpret_cast<T*>(buf);
+    }
+
+    void reg_rd_mac(uint16_t addr, uint8_t* data) {
+        spi_read(addr, 0x00, data, 6);
+    }
+
+    void reg_wr_ip(uint16_t addr, uint8_t cb, const char* ip) {
+        uint8_t buf[4];
+        char* p = (char*)ip;
+        for(int i = 0; i < 4; i++) {
+            buf[i] = atoi(p);
+            p = strchr(p, '.');
+            if (p == NULL) {
+                break;
+            }
+            p++;
+        }
+        spi_write(addr, cb, buf, sizeof(buf));
+    }
+
+    void sreg_ip(int socket, uint16_t addr, const char* ip) {
+        reg_wr_ip(addr, (0x0C + (socket << 5)), ip);
+    }
+
+protected:
+    uint8_t mac[6];
+    uint32_t ip;
+    uint32_t netmask;
+    uint32_t gateway;
+    uint32_t dnsaddr;
+    bool dhcp;
+
+    static WIZnet_Chip* inst;
+
+    void reg_wr_mac(uint16_t addr, uint8_t* data) {
+        spi_write(addr, 0x04, data, 6);
+    }
+
+    void spi_write(uint16_t addr, uint8_t cb, const uint8_t *buf, uint16_t len);
+    void spi_read(uint16_t addr, uint8_t cb, uint8_t *buf, uint16_t len);
+    SPI* spi;
+    DigitalOut cs;
+    DigitalOut reset_pin;
+};
+
+extern uint32_t str_to_ip(const char* str);
+extern void printfBytes(char* str, uint8_t* buf, int len);
+extern void printHex(uint8_t* buf, int len);
+extern void debug_hex(uint8_t* buf, int len);
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/wiznet.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,43 @@
+/* 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.
+ *
+ */
+
+#pragma once
+
+#include "mbed.h"
+#include "mbed_debug.h"
+
+#define USE_W5500
+//#define USE_W5200
+//#define USE_W5100
+
+#if defined(USE_W5500)
+#include "W5500.h"
+
+//#define USE_WIZ550IO_MAC    // using the MAC address stored in the WIZ550io
+
+#endif
+
+#if defined(USE_W5200)
+#include "W5200.h"
+#endif
+
+#if defined(USE_W5100)
+#include "W5100.h"
+
+#endif
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnetInterface.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,123 @@
+/* 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 "WIZnetInterface.h"
+#include "DHCPClient.h"
+
+WIZnetInterface::WIZnetInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset) :
+		WIZnet_Chip(mosi, miso, sclk, cs, reset)
+{
+    ip_set = false;
+}
+
+WIZnetInterface::WIZnetInterface(SPI* spi, PinName cs, PinName reset) :
+		WIZnet_Chip(spi, cs, reset)
+{
+    ip_set = false;
+}
+
+int WIZnetInterface::init(uint8_t * mac)
+{
+    dhcp = true;
+    //
+    for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    reset();
+    return 0;
+}
+
+int WIZnetInterface::init(uint8_t * mac, const char* ip, const char* mask, const char* gateway)
+{
+    dhcp = false;
+    //
+    for (int i =0; i < 6; i++) this->mac[i] = mac[i];
+    //
+    this->ip = str_to_ip(ip);
+    strcpy(ip_string, ip);
+    ip_set = true;
+    this->netmask = str_to_ip(mask);
+    this->gateway = str_to_ip(gateway);
+    reset();
+    return 0;
+}
+
+// Connect Bring the interface up, start DHCP if needed.
+int WIZnetInterface::connect()
+{
+    if (dhcp) {
+        int r = IPrenew();
+        if (r < 0) {
+            return r;
+        }
+    }
+    
+    if (WIZnet_Chip::setip() == false) return -1;
+    return 0;
+}
+
+// Disconnect Bring the interface down.
+int WIZnetInterface::disconnect()
+{
+    if (WIZnet_Chip::disconnect() == false) return -1;
+    return 0;
+}
+
+char* WIZnetInterface::getIPAddress()
+{
+    uint32_t ip = reg_rd<uint32_t>(SIPR);
+    snprintf(ip_string, sizeof(ip_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    return ip_string;
+}
+
+char* WIZnetInterface::getNetworkMask()
+{
+    uint32_t ip = reg_rd<uint32_t>(SUBR);
+    snprintf(mask_string, sizeof(mask_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    return mask_string;
+}
+
+char* WIZnetInterface::getGateway()
+{
+    uint32_t ip = reg_rd<uint32_t>(GAR);
+    snprintf(gw_string, sizeof(gw_string), "%d.%d.%d.%d", (ip>>24)&0xff, (ip>>16)&0xff, (ip>>8)&0xff, ip&0xff);
+    return gw_string;
+}
+
+char* WIZnetInterface::getMACAddress()
+{
+    uint8_t mac[6];
+    reg_rd_mac(SHAR, mac);
+    snprintf(mac_string, sizeof(mac_string), "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+    return mac_string; 
+    
+}
+
+int WIZnetInterface::IPrenew(int timeout_ms)
+{
+    DHCPClient dhcp;
+    int err = dhcp.setup(timeout_ms);
+    if (err == (-1)) {
+        return -1;
+    }
+//    printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
+    ip      = (dhcp.yiaddr[0] <<24) | (dhcp.yiaddr[1] <<16) | (dhcp.yiaddr[2] <<8) | dhcp.yiaddr[3];
+    gateway = (dhcp.gateway[0]<<24) | (dhcp.gateway[1]<<16) | (dhcp.gateway[2]<<8) | dhcp.gateway[3];
+    netmask = (dhcp.netmask[0]<<24) | (dhcp.netmask[1]<<16) | (dhcp.netmask[2]<<8) | dhcp.netmask[3];
+    dnsaddr = (dhcp.dnsaddr[0]<<24) | (dhcp.dnsaddr[1]<<16) | (dhcp.dnsaddr[2]<<8) | dhcp.dnsaddr[3];
+    return 0;
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnetInterface.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,88 @@
+/* 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.
+ */
+
+#pragma once
+#include "wiznet.h"
+
+ /** Interface using Wiznet chip to connect to an IP-based network
+ *
+ */
+class WIZnetInterface: public WIZnet_Chip {
+public:
+
+    /**
+    * Constructor
+    *
+    * \param mosi mbed pin to use for SPI
+    * \param miso mbed pin to use for SPI
+    * \param sclk mbed pin to use for SPI
+    * \param cs chip select of the WIZnet_Chip
+    * \param reset reset pin of the WIZnet_Chip
+    */
+	WIZnetInterface(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+	WIZnetInterface(SPI* spi, PinName cs, PinName reset);
+
+  /** 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(uint8_t * mac); //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(uint8_t * mac, 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 & MAC address
+  *
+  * @ returns ip address
+  */
+  char* getIPAddress();
+  char* getNetworkMask();
+  char* getGateway();
+  char* getMACAddress();
+
+  int IPrenew(int timeout_ms = 15*1000);
+    
+private:
+    char ip_string[20];
+    char mask_string[20];
+    char gw_string[20];
+    char mac_string[20];
+    bool ip_set;
+};
+
+#include "TCPSocketConnection.h"
+#include "TCPSocketServer.h"
+#include "UDPSocket.h"
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,287 @@
+
+#include "mbed.h"
+#include "WIZnetInterface.h"
+#include "GY80.h"
+#include "tsi_sensor.h"
+#include "main.h"
+
+
+int main()                                              /// Main Function:
+{
+
+    
+    pc.attach(&SerialInterHandler, Serial::RxIrq);      ///     - configures serial port interrupts & choose handler
+    menu_prop();                                        ///     - shows 5 sec menu
+    pc.attach(NULL, Serial::RxIrq);                     ///     - disables serial port interrupts after 5s
+    tick1.attach_us(&read_data, 10000);                 ///     - reads data from sensors in 10ms intervals
+    if(init_eth() == 1) {                               ///     - initializes ethernet communication
+            wait(0.001);                                // wait
+            eth_comm();                                 ///     - and tcp/ip server if no error occured
+    } else {                                            //
+        return -1;                                      ///     - or returns an error
+    }                                                   ///
+    while(1);                                           // infinit loop
+}
+
+int init_eth()
+{
+    /**
+    * Initializes ethernet communication by configuring WIZ550io via SPI interface.
+    * DHCP or Static IP configuration could be used.
+    * Use of them is user configurable via serial port.
+    */
+    int ret;                                            // error code variable
+    
+    // MAC Adress setting:
+    mac[0] = 0x00;
+    mac[1] = 0x08;
+    mac[2] = 0xDC;
+    mac[3] = 0x1D;
+    mac[4] = 0x2E;
+    mac[5] = 0x74;
+
+    pc.printf("\r \n Ethernet Initialization \n");
+    
+    if (USE_DHCP){
+        ret = eth.init(mac);                                   // Use DHCP
+    }
+    else{
+        ret = eth.init(mac, IP_Addr, IP_Subnet, IP_Gateway);    // static configuration
+    }
+    if (!ret) {                                                 // if error don't happen
+        pc.printf("\r \n Initialized, MAC: %s\n", eth.getMACAddress());
+    } else {                                                    // else show error code
+        pc.printf("\r \n Error eth.init() - ret = %d\n", ret);
+        return -1;
+    }
+
+    ret = eth.connect();
+    if (!ret) {
+        pc.printf("\r \nIP: %s, MASK: %s, GW: %s\n",
+                  eth.getIPAddress(), eth.getNetworkMask(), eth.getGateway());
+    } else {
+        pc.printf("\r \n Error eth.connect() - ret = %d\n", ret);
+        return -1;
+    }
+    return 1;
+
+}
+
+void eth_comm()
+{
+    /**
+    * Creates server and waits for client to connect.
+    * Sends reveiced buffer with commands to comm_handler.
+    * And sends reply created by comm_handler to client.
+    */
+    TCPSocketServer server;                                             // TCP/IP server object
+    server.bind(ECHO_SERVER_PORT);                                      // binding listen port
+    server.listen();                                                    // start listening
+
+    while (true) {                                                      // infinit loop
+        pc.printf("\n \r Wait for new connection...\n");                // pc info
+        TCPSocketConnection client;                                     // TCP/IP client object
+        server.accept(client);                                          // accept connection
+        client.set_blocking(false, 1500);                               // no blocking connections, timeout after (1.5)s
+        pc.printf("\n \r Connection from: %s\n", client.get_address()); // pc info
+        char buffer[256];                                               // Data buffer
+        while (true) {                                                  // loop
+            for(int i =0; i < 256; i++) buffer[i] = '\0';               // clear buffer
+            int n = client.receive(buffer, sizeof(buffer));             // receive data & save it to buffer
+            if (n <= 0) break;                                          // break if buffer is empty or error occured
+            comm_handler(buffer);                                       // send received command to communication handler
+            n = strlen(buffer);                                         // check buffer length
+            pc.printf("\n \r BUFF: %s, strlen: %d, size: %d, n: %d", buffer, strlen(buffer), sizeof(buffer), n);    // pc info, just for debug
+            client.send(buffer, n);                                     // send reply
+            for(int i =0; i < 256; i++) buffer[i] = '\0';               // clear buffer  
+            if (n <= 0) break;                                          // if error occured send break
+        }                                                               //
+        client.close();                                                 // close connection
+    }                                                                   //
+}
+
+void read_data()
+{
+    /**
+    * Reads sensor data in 10ms intervals.
+    * And saves them.
+    */
+    sensor.Read_Magn(magn);                                             // read magnitude
+    sensor.Read_Accel(accel);                                           // read acceleration
+    sensor.Read_Gyro(gyro);                                             // read gyroscope
+    TSI_pos = tsi.readPercentage();                                     // read percentage position of touch sensor
+}
+
+void comm_handler(char* command)
+{
+    /** This function gets data buffer with command 
+    * and prepares answer to be sent.  
+    */
+                                                                        
+    pc.printf("\n \r %s \n \r", command);                               // send received command to pc (DEBUG)
+    if(strcmp(command,"read_sensor")==0) {                              // data read from sensor
+       sprintf(command, "Sensor data: %10f,%10f,%10f,%10f,%10f,%10f,%10f,%10f,%10f, %10f", magn[0], magn[1], magn[2], accel[0], accel[1], accel[2], gyro[0], gyro[1], gyro[2], TSI_pos);         // enter data to buffer
+        wait(0.001);                                                    // wait
+        pc.printf("\n \r sending sensor data!");                        // pc info (debug)
+    } else if (strcmp(command,"check_ports")==0) {                      // check I/O ports current values 
+        sprintf(command, "Ports values: P1: %d, P2: %d, P3: %d, P4: %d, P5: %d, P6: %d", P1.read(), P2.read(), P3.read(), P4.read(), P5.read(), P6.read());
+    } else if (strcmp(command,"get_P1")==0) {                           // get P1 value
+        sprintf(command, "P1 value: %d", P1.read());                    //
+    } else if(strcmp(command,"set_P1_o")==0) {                          // set P1 as output
+        P1.output();                                                    //
+        sprintf(command, "P1 is now set as output");                    //
+    } else if (strcmp(command,"set_P1_i")==0) {                         // set P1 as input
+        P1.input();                                                     //
+        sprintf(command, "P1 is now set as input");                     //
+    } else if (strcmp(command,"set_P1_1")==0) {                         // set P1 as 1
+        P1.output();                                                    // set to output
+        P1.write(1);                                                    // write 1 to P1
+        sprintf(command, "P1 value is now: %d ", P1.read());            // reply with current value to check
+    } else if (strcmp(command,"set_P1_0")==0) {                         // set P1 as 0
+        P1.output();                                                    //
+        P1.write(0);
+        sprintf(command, "P1 value is now: %d ", P1.read());
+    } else if (strcmp(command,"get_P2")==0) {
+        sprintf(command, "P2 value: %d", P2.read());
+    } else if (strcmp(command,"set_P2_o")==0) {
+        P2.output();
+        sprintf(command, "P2 is now set as output");
+    } else if (strcmp(command,"set_P2_i")==0) {
+        P2.input();
+        sprintf (command, "P2 is now set as input");
+    } else if (strcmp(command,"set_P2_1")==0) {
+        P2.output();
+        P2.write(1);
+        sprintf(command, "P2 value is now: %d ", P2.read());
+    } else if (strcmp(command,"set_P2_0")==0) {
+        P2.output();
+        P2.write(0);
+        sprintf(command, "P2 value is now: %d ", P2.read());
+    } else if (strcmp(command,"get_P3")==0) {
+        sprintf(command, "P3 value: %d", P3.read());
+    } else if (strcmp(command,"set_P3_o")==0) {
+        P3.output();
+        sprintf(command, "P3 is now set as output");
+    } else if (strcmp(command,"set_P3_i")==0) {
+        P3.input();
+        sprintf (command, "P3 is now set as input");
+    } else if (strcmp(command,"set_P3_1")==0) {
+        P3.output();
+        P3.write(1);
+        sprintf(command, "P3 value is now: %d ", P3.read());
+    } else if (strcmp(command,"set_P3_0")==0) {
+        P3.output();
+        P3.write(0);
+        sprintf(command, "P3 value is now: %d ", P3.read());
+    } else if (strcmp(command,"get_P4")==0) {
+        sprintf(command, "P4 value: %d", P4.read());
+    } else if (strcmp(command,"set_P4_o")==0) {
+        P4.output();
+        sprintf(command, "P4 is now set as output");
+    } else if (strcmp(command,"set_P4_i")==0) {
+        P4.input();
+        sprintf (command, "P4 is now set as input");
+    } else if (strcmp(command,"set_P4_1")==0) {
+        P4.output();
+        P4.write(1);
+        sprintf(command, "P4 value is now: %d ", P4.read());
+    } else if (strcmp(command,"set_P4_0")==0) {
+        P4.output();
+        P4.write(0);
+        sprintf(command, "P4 value is now: %d ", P4.read());
+    } else if (strcmp(command,"get_P5")==0) {
+        sprintf(command, "P5 value: %d", P5.read());
+    } else if (strcmp(command,"set_P5_o")==0) {
+        P5.output();
+        sprintf(command, "P5 is now set as output");
+    } else if (strcmp(command,"set_P5_i")==0) {
+        P5.input();
+        sprintf (command, "P5 is now set as input");
+    } else if (strcmp(command,"set_P5_1")==0) {
+        P5.output();
+        P5.write(1);
+        sprintf(command, "P5 value is now: %d ", P5.read());
+    } else if (strcmp(command,"set_P5_0")==0) {
+        P5.output();
+        P5.write(0);
+        sprintf(command, "P5 value is now: %d ", P5.read());
+    } else if (strcmp(command,"get_P6")==0) {
+        sprintf(command, "P6 value: %d", P6.read());
+    } else if (strcmp(command,"set_P6_o")==0) {
+        P6.output();
+        sprintf(command, "P6 is now set as output");
+    } else if (strcmp(command,"set_P6_i")==0) {
+        P6.input();
+        sprintf (command, "P6 is now set as input");
+    } else if (strcmp(command,"set_P6_1")==0) {
+        P6.output();
+        P6.write(1);
+        sprintf(command, "P6 value is now: %d ", P6.read());
+    } else if (strcmp(command,"set_P6_0")==0) {
+        P6.output();
+        P6.write(0);
+        sprintf(command, "P6 value is now: %d ", P6.read());
+    } else sprintf(command, "Unknown Command!");
+}
+
+void SerialInterHandler()
+{
+    /**
+    Enables to configure Ethernet card via serial port in first 5 seconds from KL25Z startup.
+    */
+    pc.getc();                                  // gets 1 char from buffer and clears it
+    pc.printf("\n \rUse DHCP? \n \ry-yes ");
+    char from_serial;
+     while (true) {       
+        if (pc.readable()) {
+            from_serial= pc.getc();            
+            break;
+        }
+    }
+    pc.printf("\n \r%c", from_serial);
+    if (from_serial=='y') { 
+        USE_DHCP = true;
+        pc.printf("\n \rUsing DHCP ");
+        return;
+        }
+    else if (from_serial=='n') { 
+        USE_DHCP = false;
+        pc.printf("\n \rStatic IP configuration ");
+        pc.printf("\n \rCurrent config:");
+        pc.printf("\r \nIP: %s, MASK: %s, GW: %s\n", IP_Addr, IP_Subnet, IP_Gateway);
+        pc.printf("\n \rDo you want to change it?");
+            if(pc.getc()=='y'){
+                    pc.printf("\n \rIP: \n \r Press 'enter and then backspace' to end and save \r \n Remember to Enter all 15 characters!\n \r");
+                    pc.scanf("%s" ,IP_Addr);
+                    pc.printf("new IP: %s", IP_Addr);
+                    pc.printf("\n \r Enter Subnet Mask:");
+                    pc.scanf("%s", IP_Subnet);
+                    pc.printf("\n \r new Mask: %s", IP_Subnet);
+                    pc.printf("\n \r Enter Gateway:");
+                    pc.scanf("%s", IP_Gateway);
+                    pc.printf("\r \n IP: %s, MASK: %s, GW: %s\n", IP_Addr, IP_Subnet, IP_Gateway);
+                }
+            else return;
+        return;
+    }
+    else pc.printf("\n \rWrong key! Nothing to do");
+}
+
+void menu_prop()
+{
+    /**
+    Counting down time left to enter menu.
+    */
+    pc.printf("\n \r Press any key to enter menu \n \r 5");
+    wait(1);
+    pc.printf("\n \r 4");
+     wait(1);
+    pc.printf("\n \r 3");
+     wait(1);
+    pc.printf("\n \r 2");
+     wait(1);
+    pc.printf("\n \r 1");
+     wait(1);
+    pc.printf("\n \r 0 \n \r Starting!");
+        
+}
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,133 @@
+/** @file main.cpp   */
+/** @file main.h 
+*   
+*   \brief 
+* Program main features:
+*    - enables communication via ethernet
+*    - reads data from GY-80 sensor
+*    - reads data from built-in touch sensor
+*    - enables configuration of Wiz550io ethernet card via PC serial port
+*  
+* 
+* Peripherals connection details:
+*
+* WIZ550io pins are connected to:
+*    - MOSI  ->  PTD2
+*    - MISO  ->  PTD3
+*    - SCLK  ->  PTD1
+*    - CS    ->  PTD0
+*    - RST   ->  PTA20
+*    - VCC   ->  +3.3V
+*    - GND   ->  GND
+*    
+* IMU GY-80 pins:
+*    - VCC   ->  +5V
+*    - GND   ->  GND
+*    - SDA   ->  PTC9
+*    - SCL   ->  PTC8
+*    - Connection to other I2C port may not work!!!
+*    
+* Serial port communication is available via virtual OpenSDA COM port.
+* Detailed description about configuring OpenSDA available here: https://mbed.org/handbook/Windows-serial-configuration .
+*
+* Digital I/O ports pins and names:
+*   - PTE20  ->  P1
+*   - PTE21  ->  P2
+*   - PTE22  ->  P3
+*   - PTE23  ->  P4
+*   - PTE29  ->  P5
+*   - PTE30  ->  P6
+*
+* Ethernet commands:
+* Available commands:
+*   - "read_sensor" - reads all sensor data - Reply form: "Sensor data: magnX, magnY, magnZ, accelX, accelY, accelZ, gyroX, gyroY, gyroZ, TSIposition"
+*   - "check_ports" - reads ports P1 to P6 status - Reply form: "Port values: P1: %d, P2: %d, P3: %d, P4: %d, P5: %d, P6: %d"
+* Single port commands:
+*   - "set_P$_i" - sets port as input    - Reply: "P1 is now set as input"
+*   - "set_P$_o" - sets port as output   - Reply: "P1 is now set as output"
+*   - "set_P$_1" - sets port as 1 (High) - Reply: "P1 value is now: %d "
+*   - "set_P$_0" - sets port as 0 (low)  - Reply: "P1 value is now: %d " 
+*   - "get_P$"   - gets port value       - Reply: "P1 value: %d"
+*   -  $ mark is port number from 1-6 
+*
+*   @author Mateusz Jaskula
+*
+*/
+
+
+
+// Set server communication port to 22
+#define ECHO_SERVER_PORT   22
+
+
+/// SPI communication with WIZ550io initialization
+SPI spi(PTD2, PTD3, PTD1); /// mosi, miso, sclk
+
+/// Ethernet communication via WIZ550io
+WIZnetInterface eth(&spi, PTD0, PTA20); /// spi, cs, reset
+
+/// Serial communication init
+Serial pc(USBTX,USBRX);
+
+/// TSI Electrodes definition:
+#define ELEC0 9
+/// TSI Electrodes definition:
+#define ELEC1 10
+
+
+/// port P1 is connected to PTE20 pin
+DigitalInOut P1(PTE20);                         
+/// port P1 is connected to PTE21 pin
+DigitalInOut P2(PTE21);                         
+/// port P2 is connected to PTE22 pin
+DigitalInOut P3(PTE22);                         
+/// port P3 is connected to PTE23 pin
+DigitalInOut P4(PTE23);                         
+/// port P4 is connected to PTE29 pin
+DigitalInOut P5(PTE29);                         
+/// port P5 is connected to PTE30 pin
+DigitalInOut P6(PTE30);                         
+
+
+/// Defines use of DHCP protocol or Static IP Configuration
+bool USE_DHCP = true;
+
+// Static IP setting. Using MAC stored in WIZ550io
+ char IP_Addr[16] = "192.168.133.015";          /// IP
+ char IP_Subnet[16]  = "255.255.255.000";       /// Subnet Mask
+ char IP_Gateway[16] = "192.168.133.001";       /// Gateway
+
+/// MAC Adress global variable
+uint8_t mac[6];
+
+/// GY80 IMU sensor Object
+GY80 sensor;
+
+// GY80 Data is being hold here
+float  magn[3];     /// Current magnitude
+float accel[3];     /// Current acceleration
+float  gyro[3];     /// current gyroscope
+
+/// TSI Slider object:
+TSIAnalogSlider tsi(ELEC0, ELEC1, 100);
+
+/// TSI Slider position:
+float TSI_pos;
+
+/// Ticker generates time based interrups to read data from sensors in 10ms intervals.
+Ticker tick1;
+
+
+//Functions declaration:
+// Initializes eth communication with MAC, IP, Subnet Mask asd Gateway
+int init_eth();
+// Handles ethernet communication
+void eth_comm();
+// Reads data from sensor with 1ms freq
+void read_data();
+// Reads commands and takes action
+void comm_handler(char* command);
+// Enables configuration mode
+void SerialInterHandler();
+// 5 sec serial menu with info how to enter configuration mode
+void menu_prop();
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/9327015d4013
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pico_string.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,46 @@
+// pico_string.h 2013/8/27
+#pragma once
+class pico_string {
+public:
+    pico_string(){
+        _len = 0;
+        _buf = (char*)malloc(1);
+        if (_buf) {
+            _buf[0] = '\0';
+        }
+    }
+    ~pico_string() {
+        if (_buf) {
+            free(_buf);
+        }
+    }
+    bool empty() {
+        return _len == 0;
+    }
+    void append(const char* s, int len) {
+        if (_buf == NULL) {
+            return;
+        }
+        char* p = (char*)malloc(_len+len+1);
+        if (p == NULL) {
+            return;
+        }
+        memcpy(p, _buf, _len);
+        memcpy(p+_len, s, len);
+        p[_len+len] = '\0';
+        free(_buf);
+        _buf = p;
+    }
+    void append(const char* s) {
+        append(s, strlen(s));
+    }
+    char* c_str() {
+        if (_buf) {
+            return _buf;
+        }
+        return "";
+    }
+private:
+    char* _buf;
+    int _len;
+};
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsi_sensor/tsi_sensor.cpp	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,148 @@
+/* Freescale Semiconductor Inc.
+ * mbed Microcontroller Library
+ * (c) Copyright 2014 ARM Limited.
+ *
+ * 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 "tsi_sensor.h"
+
+void tsi_irq(void);
+TSIAnalogSlider *TSIAnalogSlider::_instance;
+
+TSIAnalogSlider::TSIAnalogSlider(uint32_t elec0, uint32_t elec1,
+                                 uint32_t range)
+: _elec0(elec0), _elec1(elec1), _range(range) {
+    _instance = this;
+    _current_elec = &_elec0;
+    SIM->SCGC5 |= SIM_SCGC5_TSI_MASK;
+
+    TSI0->GENCS |= (TSI_GENCS_ESOR_MASK | TSI_GENCS_MODE(0) | TSI_GENCS_REFCHRG(4)
+                   | TSI_GENCS_DVOLT(0) | TSI_GENCS_EXTCHRG(7) | TSI_GENCS_PS(4)
+                   | TSI_GENCS_NSCN(11) | TSI_GENCS_TSIIEN_MASK | TSI_GENCS_STPE_MASK);
+    TSI0->GENCS |= TSI_GENCS_TSIEN_MASK;
+
+    NVIC_SetVector(TSI0_IRQn, (uint32_t)&tsi_irq);
+    NVIC_EnableIRQ(TSI0_IRQn);
+
+    selfCalibration();
+}
+
+static void initBaseline(TSIElectrode& elec)
+{
+    uint32_t channel0 = elec.getChannel();
+    TSI0->DATA = ((channel0 << TSI_DATA_TSICH_SHIFT) );
+    TSI0->DATA |= TSI_DATA_SWTS_MASK;
+    while(!(TSI0->GENCS & TSI_GENCS_EOSF_MASK));
+    TSI0->GENCS |= TSI_GENCS_EOSF_MASK;
+    elec.setBaseline(TSI0->DATA & TSI_DATA_TSICNT_MASK);
+}
+
+void TSIAnalogSlider::selfCalibration(void)
+{
+    TSI0->GENCS |= TSI_GENCS_EOSF_MASK;      // Clear End of Scan Flag
+    TSI0->GENCS &= ~TSI_GENCS_TSIEN_MASK;    // Disable TSI module
+
+    uint32_t trigger_backup;
+    if(TSI0->GENCS & TSI_GENCS_STM_MASK) {     // Back-up TSI Trigger mode from Application
+        trigger_backup = 1;
+    } else {
+        trigger_backup = 0;
+    }
+
+    TSI0->GENCS &= ~TSI_GENCS_STM_MASK;    // Use SW trigger
+    TSI0->GENCS &= ~TSI_GENCS_TSIIEN_MASK; // Enable TSI interrupts
+    TSI0->GENCS |= TSI_GENCS_TSIEN_MASK;   // Enable TSI module
+
+    initBaseline(_elec0);
+    initBaseline(_elec1);
+
+    TSI0->DATA = ((_elec0.getChannel() << TSI_DATA_TSICH_SHIFT));
+
+    TSI0->GENCS &= ~TSI_GENCS_TSIEN_MASK;    // Disable TSI module
+    TSI0->GENCS |= TSI_GENCS_TSIIEN_MASK;     // Enale TSI interrupt
+    if (trigger_backup) {                     // Restore trigger mode
+        TSI0->GENCS |= TSI_GENCS_STM_MASK;
+    } else {
+        TSI0->GENCS &= ~TSI_GENCS_STM_MASK;
+    }
+
+    TSI0->GENCS |= TSI_GENCS_TSIEN_MASK;     // Enable TSI module
+    TSI0->DATA |= TSI_DATA_SWTS_MASK;
+}
+
+
+void TSIAnalogSlider::sliderRead(void ) {
+    if (_scan_in_progress) {
+        _scan_in_progress = 0;
+        uint32_t delta0 = _elec0.getDelta();
+        uint32_t delta1 = _elec1.getDelta();
+
+        if ((delta0 > _elec0.getThreshold()) || (delta1 > _elec1.getThreshold())) {
+            uint32_t perc_pos0 = (delta0 * 100) / (delta0 + delta1);
+            uint32_t perc_pos1 = (delta1 * 100) / (delta0 + delta1);
+            setSliderPercPosition(0, perc_pos0);
+            setSliderPercPosition(1, perc_pos1);
+            uint32_t dist_pos0 = (perc_pos0 * _range) / 100;
+            uint32_t dist_pos1 = (perc_pos0 * _range) / 100;
+            setSliderDisPosition(0, dist_pos0);
+            setSliderDisPosition(1, dist_pos1);
+
+            setAbsolutePosition(((100 - perc_pos0) + perc_pos1) / 2);
+            setAbsoluteDistance(((_range - dist_pos0) + dist_pos1) / 2);
+        } else {
+            setSliderPercPosition(0, 0);
+            setSliderPercPosition(1, 0);
+            setSliderDisPosition(0, 0);
+            setSliderDisPosition(1, 0);
+            setAbsolutePosition(0);
+            setAbsoluteDistance(0);
+        }
+    }
+}
+
+float TSIAnalogSlider::readPercentage() {
+    sliderRead();
+    return (float)getAbsolutePosition() / 100.0;
+}
+
+uint32_t TSIAnalogSlider::readDistance() {
+    sliderRead();
+    return getAbsoluteDistance();
+}
+
+static void changeElectrode(TSIAnalogSlider *analog_slider)
+{
+    TSIElectrode* elec = analog_slider->getCurrentElectrode();
+    uint32_t signal = (TSI0->DATA & TSI_DATA_TSICNT_MASK);
+    elec->setSignal(signal);
+
+    TSIElectrode *next_elec =  analog_slider->getNextElectrode(elec);
+
+    analog_slider->setCurrentElectrode(next_elec);
+    TSI0->DATA = ((next_elec->getChannel() << TSI_DATA_TSICH_SHIFT) );
+    TSI0->DATA |= TSI_DATA_SWTS_MASK;
+}
+
+
+void tsi_irq(void)
+{
+    TSIAnalogSlider *analog_slider = TSIAnalogSlider::getInstance();
+    analog_slider->setScan(1);
+    TSI0->GENCS |= TSI_GENCS_EOSF_MASK; // Clear End of Scan Flag
+    changeElectrode(analog_slider);
+}
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tsi_sensor/tsi_sensor.h	Mon Aug 25 12:00:15 2014 +0000
@@ -0,0 +1,198 @@
+/* Freescale Semiconductor Inc.
+ *
+ * mbed Microcontroller Library
+ * (c) Copyright 2009-2012 ARM Limited.
+ *
+ * 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 TSISENSOR_H
+#define TSISENSOR_H
+
+/**
+* TSISensor example
+*
+* @code
+* #include "mbed.h"
+* #include "TSISensor.h"
+*
+* int main(void) {
+*    DigitalOut led(LED_GREEN);
+*    TSIElectrode elec0(9);
+*    TSIElectrode elec1(10);
+*    TSIAnalogSlider tsi(elec0, elec1, 40);
+*
+*    while (true) {
+*        printf("slider percentage: %f%\r\n", tsi.readPercentage());
+*        printf("slider distance: %dmm\r\n", tsi.readDistance());
+*        wait(1);
+*        led = !led;
+*    }
+* }
+* @endcode
+*/
+#define NO_TOUCH 0
+
+/** TSI Electrode with simple data required for touch detection.
+ */
+class TSIElectrode {
+public:
+    /** Initialize electrode.
+     */
+    TSIElectrode(uint32_t tsi_channel) : _threshold(100) {
+        _channel = (uint8_t)tsi_channel;
+    }
+    /** Set baseline.
+     */
+    void setBaseline(uint32_t baseline) {
+        _baseline = (uint16_t)baseline;
+    }
+    /** Set threshold.
+     */
+    void setThreshold(uint32_t threshold) {
+        _threshold = (uint16_t)threshold;
+    }
+    /** Set signal.
+     */
+    void setSignal(uint32_t signal) {
+        _signal = (uint16_t)signal;
+    }
+    /** Get baseline.
+     */
+    uint32_t getBaseline() {
+        return _baseline;
+    }
+    /** Get delta.
+     */
+    uint32_t getDelta() {
+        int32_t delta = getSignal() - getBaseline();
+        if (delta < 0) {
+            return 0;
+        } else {
+            return delta;
+        }
+    }
+    /** Get signal.
+     */
+    uint32_t getSignal() {
+        return _signal;
+    }
+    /** Get threshold.
+     */
+    uint32_t getThreshold() {
+        return _threshold;
+    }
+    /** Get channel.
+     */
+    uint32_t getChannel() {
+        return _channel;
+    }
+private:
+    uint8_t  _channel;
+    uint16_t _signal;
+    uint16_t _baseline;
+    uint16_t _threshold;
+};
+
+/** Analog slider which consists of two electrodes.
+ */
+class TSIAnalogSlider {
+public:
+    /**
+     *   Initialize the TSI Touch Sensor
+     */
+    TSIAnalogSlider(uint32_t elec0, uint32_t elec1, uint32_t range);
+    /**
+     * Read Touch Sensor percentage value
+     *
+     * @returns percentage value between [0 ... 1]
+     */
+    float readPercentage();
+    /**
+     * Read Touch Sensor distance
+     *
+     * @returns distance in mm. The value is between [0 ... _range]
+     */
+    uint32_t readDistance();
+    /** Get current electrode.
+     */
+    TSIElectrode* getCurrentElectrode() {
+        return _current_elec;
+    }
+    /** Set current electrode which is being measured.
+     */
+    void setCurrentElectrode(TSIElectrode *elec){
+        _current_elec = elec;
+    }
+    /** Get next electrode.
+     */
+    TSIElectrode* getNextElectrode(TSIElectrode* electrode) {
+        if (electrode->getChannel() == _elec0.getChannel()) {
+            return &_elec1;
+        } else {
+            return &_elec0;
+        }
+    }
+    /** Return absolute distance position.
+     */
+    uint32_t getAbsoluteDistance() {
+        return  _absolute_distance_pos;
+    }
+    /** Return absolute precentage position.
+     */
+    uint32_t getAbsolutePosition() {
+        return _absolute_percentage_pos;
+    }
+    /** Set value to the scan in progress flag.
+     */
+    void setScan(uint32_t scan) {
+        _scan_in_progress = scan;
+    }
+    /** Return instance to Analog slider. Used in tsi irq.
+     */
+    static TSIAnalogSlider *getInstance() {
+        return _instance;
+    }
+private:
+    void sliderRead(void);
+    void selfCalibration(void);
+    void setSliderPercPosition(uint32_t elec_num, uint32_t position) {
+        _percentage_position[elec_num] = position;
+    }
+    void setSliderDisPosition(uint32_t elec_num, uint32_t position) {
+        _distance_position[elec_num] = position;
+    }
+    void setAbsolutePosition(uint32_t position) {
+        _absolute_percentage_pos = position;
+    }
+    void setAbsoluteDistance(uint32_t distance) {
+        _absolute_distance_pos = distance;
+    }
+private:
+    TSIElectrode  _elec0;
+    TSIElectrode  _elec1;
+    uint8_t       _scan_in_progress;
+    TSIElectrode* _current_elec;
+    uint8_t       _percentage_position[2];
+    uint8_t       _distance_position[2];
+    uint32_t      _absolute_percentage_pos;
+    uint32_t      _absolute_distance_pos;
+    uint8_t       _range;
+protected:
+    static TSIAnalogSlider *_instance;
+};
+
+#endif