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();
    }
}
Revision:
0:bdeec5f86894
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/W5200NetIf.h	Fri Mar 22 11:51:24 2013 +0000
@@ -0,0 +1,46 @@
+// W5200NetIf.h 2012/4/19
+/** \file
+W5200 network interface header file
+*/
+#ifndef W5200_NETIF_H
+#define W5200_NETIF_H
+#include "MyNetIf.h"
+
+///W5200 network interface return codes
+enum W5200Err
+{
+  __W5200_MIN = -0xFFFF,
+  W5200_TIMEOUT, ///<Timeout during setup
+  W5200_SETUP_ERR,
+  W5200_OK = 0 ///<Success
+};
+
+///W5200 network interface
+class W5200NetIf : public MyNetIf {
+public:
+    ///Instantiates the Interface and register it against the stack, DHCP will be used
+    W5200NetIf(); //W/ DHCP
+    ///Instantiates the Interface and register it against the stack, DHCP will not be used
+    /**
+    IpAddr is a container class that can be constructed with either 4 bytes or no parameters for a null IP address.
+    */
+    W5200NetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns); //W/o DHCP
+    W5200Err IPrenew(int timeout_ms = 15000);
+    W5200Err IPrelease(int timeout_ms = 15000);
+    ///Brings the interface up
+    /**
+    Uses DHCP if necessary
+    @param timeout_ms : You can set the timeout parameter in milliseconds, if not it defaults to 15s
+    @return : W5200_OK on success or W5200_TIMEOUT on timeout
+    */
+    W5200Err setup(int timeout_ms = 15000);
+    SPI* attachSPI(SPI* spi);
+    DigitalOut* attachCS(DigitalOut* cs);
+    IpAddr m_dns;
+private:
+    bool m_useDhcp;
+    IpAddr m_netmask;
+    IpAddr m_gateway;
+    const char* m_hostname;
+};
+#endif //W5200_NETIF_H