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:
1:22b9052d864d
Parent:
0:bdeec5f86894
--- a/WIZ820ioNetIf.h	Fri Mar 22 11:51:24 2013 +0000
+++ b/WIZ820ioNetIf.h	Sun Mar 24 11:25:31 2013 +0000
@@ -1,16 +1,34 @@
-// WIZ820ioNetIf.h 2012/4/23
+// WIZ820ioNetIf.h 2013/3/24
 
 /** \file
 WIZ820io network interface header file
 */
-#ifndef WIZ820IO_NETIF_H
-#define WIZ820IO_NETIF_H
-#include "W5200NetIf.h"
+#pragma once
+#include "MyNetIf.h"
+
+///W5200 network interface return codes
+enum W5200Err
+{
+  __W5200_MIN = -0xFFFF,
+  W5200_TIMEOUT, ///<Timeout during setup
+  W5200_SETUP_ERR,
+  W5200_SETUP_ERR_LINK_DOWN,
+  W5200_OK = 0 ///<Success
+};
 
 ///WIZ820io network interface
-class WIZ820ioNetIf : public W5200NetIf {
+class WIZ820ioNetIf : public MyNetIf {
 public:
-    void reset(PinName _reset);
+    /** Create a WIZ820io ethernet interface
+     *
+     * @param mosi SPI mosi pin connected to WIZ820io
+     * @param miso SPI miso pin conencted to WIZ820io
+     * @param sclk SPI sclk pin connected to WIZ820io
+     * @param cs   DigitalOut pin used as WIZ820io select
+     * @param reset DigitalOut pin WIZ820io hardware reset 
+     */
+    WIZ820ioNetIf(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+    void config(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns); //W/o DHCP
     ///Brings the interface up
     /**
     Uses DHCP if necessary
@@ -18,5 +36,13 @@
     @return : 0 on success or -1 on timeout
     */    
     int setup(int timeout_ms = 15000);
+    W5200Err IPrenew(int timeout_ms = 15000);
+    W5200Err IPrelease(int timeout_ms = 15000);
+    IpAddr m_dns;
+private:
+    void pin_assign(PinName mosi, PinName miso, PinName sclk, PinName cs, PinName reset);
+    bool m_useDhcp;
+    IpAddr m_netmask;
+    IpAddr m_gateway;
+    const char* m_hostname;
 };
-#endif //WIZ820IO_NETIF_H