Diff: MyEthernetNetIf.cpp

Revision:

0:db4242c89949

diff -r 000000000000 -r db4242c89949 MyEthernetNetIf.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MyEthernetNetIf.cpp	Tue Apr 10 03:38:22 2012 +0000
@@ -0,0 +1,84 @@
+// MyEthernetNetIf.h 2012/4/10
+// EthernetNetIf for WIZ820io(W5200)
+#include "mbed.h"
+#include "MyEthernetNetIf.h"
+#include "DHCPClient.h"
+#include "w5100.h"
+
+extern W5100Class W5100; // w5100.cpp
+
+bool wait_linkup(int timeout = 3000) {
+    Timer link_t;
+    link_t.start();
+    while(link_t.read_ms() < timeout) {
+        if (0x20 & W5100.readPHYSTATUS()) {
+            return true;
+        }
+         wait_ms(50);
+    }  
+    return false;
+}
+
+void MyEthernetNetIf::hardware_setup(){
+    W5100.hardware_reset();
+    W5100.init();
+    wait_linkup();
+}
+
+MyEthernetNetIf::MyEthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) {
+    m_ip = ip;
+    m_netmask = netmask;
+    m_gateway = gateway;
+    m_dns = dns;
+    m_useDhcp = false;
+}
+
+MyEthernetNetIf:: MyEthernetNetIf() {
+    m_useDhcp = true;
+}
+
+EthernetErr MyEthernetNetIf::setup(int timeout_ms)
+{
+    hardware_setup();
+    uint8_t mac[6] = {0x00,0x00,0x5e,0x00,0x01,0x01};
+    W5100.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]);
+    uint8_t u[4];
+    u[0] = m_ip[0];
+    u[1] = m_ip[1];
+    u[2] = m_ip[2];
+    u[3] = m_ip[3];
+    W5100.setIPAddress(u);
+    u[0] = m_netmask[0];
+    u[1] = m_netmask[1];
+    u[2] = m_netmask[2];
+    u[3] = m_netmask[3];
+    W5100.setSubnetMask(u);
+    u[0] = m_gateway[0];
+    u[1] = m_gateway[1];
+    u[2] = m_gateway[2];
+    u[3] = m_gateway[3];
+    W5100.setGatewayIp(u);
+    if (! m_useDhcp) {
+        return ETH_OK;
+    }
+    printf("DHCP Started, waiting for IP...\n");  
+    DHCPClient* dhcp;
+    EthernetErr err;
+    dhcp = new DHCPClient;
+    int r = dhcp->setup(timeout_ms);
+    if (r == (-1)) {
+        printf("Timeout.\n");
+        err = ETH_TIMEOUT;  
+    } else {
+        W5100.writeSIPR(dhcp->yiaddr);
+        W5100.writeSUBR(dhcp->netmask);
+        W5100.writeGAR(dhcp->gateway);
+        m_ip = IpAddr(dhcp->yiaddr[0],dhcp->yiaddr[1],dhcp->yiaddr[2],dhcp->yiaddr[3]);
+        m_dns = IpAddr(dhcp->dnsaddr[0],dhcp->dnsaddr[1],dhcp->dnsaddr[2],dhcp->dnsaddr[3]);
+        printf("Connected, IP: %d.%d.%d.%d\n", dhcp->yiaddr[0], dhcp->yiaddr[1], dhcp->yiaddr[2], dhcp->yiaddr[3]);
+        err = ETH_OK;
+    }
+    delete dhcp;
+    return err;
+}