Revision 11:313e091ab3f9, committed 2014-12-25

Comitter:

hillkim7

Date:

Thu Dec 25 11:18:46 2014 +0000

Parent:

7:da52bf0e0e5d

Commit message:

The IBM MQTT client demo program that is tested with Nucleo F401 and Seeedstudio Ethernet Shield. It is based on Wiznet sample program.

Changed in this revision

diff -r da52bf0e0e5d -r 313e091ab3f9 WIZnet/W5200.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5200.cpp	Thu Dec 25 11:18:46 2014 +0000
@@ -0,0 +1,414 @@
+/* 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
+
+#if 0
+#define W printf
+#else
+#define W(x, ...)
+#endif
+
+#define DBG_SPI 0
+
+#define W5200_USE_DEFAULT_MAC 1
+
+#if W5200_USE_DEFAULT_MAC
+// Random MAC
+static const uint8_t default_mac[] = {0xD0, 0xAE, 0xBC, 0x11, 0x22, 0x02};
+#endif
+
+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;
+#if W5200_USE_DEFAULT_MAC
+	memcpy(mac, default_mac, sizeof(default_mac));
+#endif
+}
+
+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;
+#if W5200_USE_DEFAULT_MAC
+	memcpy(mac, default_mac, sizeof(default_mac));
+#endif
+}
+
+bool WIZnet_Chip::setmac()
+{
+
+    for (int i =0; i < 6; i++) reg_wr<uint8_t>(SHAR+i, mac[i]);
+
+    return true;
+}
+
+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::linkstatus()
+{
+	/*
+    if ( (reg_rd<uint8_t>(PHYCFGR) & 0x01) != 0x01 )
+        return false;
+       */
+
+    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;
+        }
+    }
+	W("\033[1;36m""{W5200}connect %d""\033[0m""\n", socket);
+    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);
+	W("\033[1;36m""{W5200}close %d""\033[0m""\n", socket);
+    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
+

diff -r da52bf0e0e5d -r 313e091ab3f9 WIZnet/W5200.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WIZnet/W5200.h	Thu Dec 25 11:18:46 2014 +0000
@@ -0,0 +1,233 @@
+
+#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
+
+#define MAX_SOCK_NUM 8
+
+#define MR        0x0000
+#define GAR       0x0001
+#define SUBR      0x0005
+#define SHAR      0x0009
+#define SIPR      0x000f
+#define PHYCFGR   0x002e
+
+// 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:
+
+    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, };
+
+    /*
+    * Set MAC Address
+    *
+    * @return true if connected, false otherwise
+    */ 
+    bool setmac();
+
+    /*
+    * 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();
+
+    /*
+    * Get Link Status
+    *
+    * @return true if Link up, false Link down
+    */
+    bool linkstatus();
+
+    /*
+    * 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);
+

diff -r da52bf0e0e5d -r 313e091ab3f9 WIZnet/wiznet.h
--- a/WIZnet/wiznet.h	Mon Sep 29 05:03:41 2014 +0000
+++ b/WIZnet/wiznet.h	Thu Dec 25 11:18:46 2014 +0000
@@ -4,8 +4,8 @@
 //#include "mbed.h"
 //#include "mbed_debug.h"
 
-#define USE_W5500
-//#define USE_W5200 // don't use this library
+//#define USE_W5500
+#define USE_W5200
 //#define USE_W5100 // don't use this library
 
 #if defined(USE_W5500)
@@ -13,12 +13,12 @@
 //#define USE_WIZ550IO_MAC    // want to use the default MAC address stored in the WIZ550io
 #endif
 
-/*
-// current library don't want to support old chips.
 #if defined(USE_W5200)
 #include "W5200.h"
 #endif
 
+/*
+// current library don't want to support old chips.
 #if defined(USE_W5100)
 #include "W5100.h"
 #endif