Norimasa Okamoto / WIZ820ioNetIf

WIZ820io（W5200) network interface、EthernetNetIf compatible.

/media/uploads/va009039/wiz820ionetif.jpg

example

#include "WIZ820ioNetIf.h"
#include "HTTPClient.h"
#include "HTTPServer.h"

#if defined(TARGET_KL25Z)
WIZ820ioNetIf eth(PTD2,PTD3,PTD1,PTD0,PTD5);
#endif
HTTPClient http;
HTTPStream stream;

void callback(HTTPResult r){
    printf("callback %d %s\n", r, HTTPClient::ResultStr(r));
}

int main() {
    int err = eth.setup();
    if (err < 0) {
        printf("setup error %d\n", err);
        exit(-1);
    }    

    HTTPServer svr;
    svr.addHandler<SimpleHandler>("/");
    svr.bind(80);

    const char* uri = "http://va009039-mbed.appspot.com/kl25z/";
    http.get(uri, &stream, callback);
    uint8_t buf[256];
    int total = 0;
    stream.readNext(buf, sizeof(buf));
    while(1) {
        if(stream.readable()) {
            int len = stream.readLen();
            total += len;
            printf("%d %d\n", total, len);
            stream.readNext(buf, sizeof(buf));
        }
        Net::poll();
    }
}

Diff: WIZ820ioNetIf.cpp

Revision:
1:22b9052d864d
Parent:
0:bdeec5f86894
--- a/WIZ820ioNetIf.cpp	Fri Mar 22 11:51:24 2013 +0000
+++ b/WIZ820ioNetIf.cpp	Sun Mar 24 11:25:31 2013 +0000
@@ -1,49 +1,118 @@
-// WIZ820ioNetIf.cpp 2012/4/22
+// WIZ820ioNetIf.cpp 2013/3/24
 #include "WIZ820ioNetIf.h"
-#include "w5100.h"
+#include "DHCPClient.h"
+#include "w5200.h"
+extern SPI* pSPI; // w5200.cpp
+extern DigitalOut* pCS; // w5200.cpp
 
 DigitalOut* pRESET = NULL;
 
-void hardware_reset() {
-  if (!pRESET) {
-    pRESET = new DigitalOut(p15);
-  }
-  if (pRESET) {
-    pRESET->write(1);
-    pRESET->write(0);
-    wait_us(2);
-    pRESET->write(1);
-    wait_ms(150);
-  }
+WIZ820ioNetIf::WIZ820ioNetIf(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset)
+                                :MyNetIf(), m_netmask(255,255,255,255), m_gateway(), m_hostname(NULL)
+{
+    m_hostname = NULL;
+    m_useDhcp = true;
+    pin_assign(mosi, miso, sclk, cs, reset);
+}
+
+void WIZ820ioNetIf::config(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns)
+{
+    m_ip = ip;
+    m_netmask = netmask;
+    m_gateway = gateway;
+    m_dns = dns;
+    m_useDhcp = false;
+}
+
+void WIZ820ioNetIf::pin_assign(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset)
+{
+    pSPI = new SPI(mosi, miso, sclk);
+    pCS = new DigitalOut(cs);
+    if (reset != NC) {
+        pRESET = new DigitalOut(reset);
+    }
 }
 
-bool wait_linkup(int timeout = 5000) {
+void hardware_reset() {
+    if (pRESET) {
+        pRESET->write(1);
+        pRESET->write(0);
+        wait_us(2);
+        pRESET->write(1);
+        wait_ms(150);
+    }
+}
+
+bool wait_linkup(int timeout_ms = 5*1000) {
     Timer link_t;
+    link_t.reset();
     link_t.start();
-    while(link_t.read_ms() < timeout) {
-        if (0x20 & W5100.readPHYSTATUS()) {
+    uint8_t status = 0x00;
+    while(link_t.read_ms() < timeout_ms) {
+        status = W5200.readPHYSTATUS();
+        if (status & 0x20) {
+            printf("Link Up\n");
             return true;
         }
-         wait_ms(50);
+        wait_ms(50);
     }  
+    printf("Link down\n");
+    if (status & 0x08) {
+        printf("Power down mode\n");
+    }
     return false;
 }
 
-void WIZ820ioNetIf::reset(PinName _reset) {
-    pRESET = new DigitalOut(_reset);
-}
-    
 int WIZ820ioNetIf::setup(int timeout_ms) {
     hardware_reset();
-    if (!attachSPI(NULL)) {
-        SPI* spi = new SPI(p11, p12, p13); // mosi, miso, sclk
-        attachSPI(spi);
+    W5200.init();
+    if (!wait_linkup()) {
+        return W5200_SETUP_ERR_LINK_DOWN;
+    }
+
+    MyNetIf::init();
+    uint8_t mac[6];
+    mbed_mac_address((char*)mac);
+    W5200.setMACAddress(mac);
+    printf("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n", mac[0],mac[1],mac[2],mac[3],mac[4],mac[5]);
+    if(! m_useDhcp) {
+        return W5200_OK;
+    }
+    return IPrenew(timeout_ms);
+}
+
+W5200Err WIZ820ioNetIf::IPrenew(int timeout_ms) {
+    printf("DHCP Started, waiting for IP...\n");  
+    DHCPClient dhcp;
+    int err = dhcp.setup(timeout_ms);
+    if (err == (-1)) {
+        printf("Timeout.\n");
+        return W5200_TIMEOUT;
     }
-    if (!attachCS(NULL)) {
-        DigitalOut* cs = new DigitalOut(p14);
-        attachCS(cs);
-    }
-    W5100.init();
-    wait_linkup();
-    return W5200NetIf::setup(timeout_ms);
+    printf("Connected, IP: %d.%d.%d.%d\n", dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
+    m_ip = IpAddr(dhcp.yiaddr[0], dhcp.yiaddr[1], dhcp.yiaddr[2], dhcp.yiaddr[3]);
+    m_netmask = IpAddr(dhcp.netmask[0],dhcp.netmask[1],dhcp.netmask[2],dhcp.netmask[3]);
+    m_gateway = IpAddr(dhcp.gateway[0],dhcp.gateway[1],dhcp.gateway[2],dhcp.gateway[3]);
+    uint8_t t[4];
+    t[0] = m_ip[0];
+    t[1] = m_ip[1];
+    t[2] = m_ip[2];
+    t[3] = m_ip[3];
+    W5200.writeSIPR(t);
+    t[0] = m_netmask[0];
+    t[1] = m_netmask[1];
+    t[2] = m_netmask[2];
+    t[3] = m_netmask[3];
+    W5200.writeSUBR(t);
+    t[0] = m_gateway[0];
+    t[1] = m_gateway[1];
+    t[2] = m_gateway[2];
+    t[3] = m_gateway[3];
+    W5200.writeGAR(t);
+    m_dns = IpAddr(dhcp.dnsaddr[0],dhcp.dnsaddr[1],dhcp.dnsaddr[2],dhcp.dnsaddr[3]);
+    return W5200_OK;
 }
+
+W5200Err WIZ820ioNetIf::IPrelease(int timeout_ms) {
+    return W5200_OK;
+}