Diff: if/eth/EthernetNetIf.cpp
- Revision:
- 0:d616ece2d859
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/if/eth/EthernetNetIf.cpp Sat Sep 18 23:05:49 2010 +0000
@@ -0,0 +1,165 @@
+
+/*
+Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
+
+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 "EthernetNetIf.h"
+
+#include "netif/etharp.h"
+#include "lwip/dhcp.h"
+#include "lwip/dns.h"
+#include "lwip/igmp.h"
+
+#include "drv/eth/eth_drv.h"
+#include "mbed.h"
+
+#define __DEBUG
+#include "dbg/dbg.h"
+
+#include "netCfg.h"
+#if NET_ETH
+
+EthernetNetIf::EthernetNetIf() : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL),
+m_netmask(255,255,255,255), m_gateway(), m_hostname(NULL)
+{
+ m_hostname = NULL;
+ m_pNetIf = new netif;
+ m_useDhcp = true;
+}
+
+EthernetNetIf::EthernetNetIf(IpAddr ip, IpAddr netmask, IpAddr gateway, IpAddr dns) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL), m_hostname(NULL) //W/o DHCP
+{
+ m_hostname = NULL;
+ m_netmask = netmask;
+ m_gateway = gateway;
+ m_ip = ip;
+ m_pNetIf = new netif;
+ dns_setserver(0, &dns.getStruct());
+ m_useDhcp = false;
+}
+
+EthernetNetIf::~EthernetNetIf()
+{
+ if(m_pNetIf)
+ {
+ igmp_stop(m_pNetIf); //Stop IGMP processing
+ netif_set_down(m_pNetIf);
+ netif_remove(m_pNetIf);
+ delete m_pNetIf;
+ eth_free();
+ }
+}
+
+EthernetErr EthernetNetIf::setup(int timeout_ms /*= 15000*/)
+{
+ LwipNetIf::init();
+ //m_ethArpTicker.attach_us(ðarp_tmr, ARP_TMR_INTERVAL * 1000); // = 5s in etharp.h
+ m_ethArpTimer.start();
+ if(m_useDhcp)
+ {
+ //m_dhcpCoarseTicker.attach(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_SECS); // = 60s in dhcp.h
+ //m_dhcpFineTicker.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); // = 500ms in dhcp.h
+ m_dhcpCoarseTimer.start();
+ m_dhcpFineTimer.start();
+ }
+ m_pNetIf->hwaddr_len = ETHARP_HWADDR_LEN; //6
+ eth_address((char *)m_pNetIf->hwaddr);
+
+ DBG("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n",
+ m_pNetIf->hwaddr[0], m_pNetIf->hwaddr[1], m_pNetIf->hwaddr[2],
+ m_pNetIf->hwaddr[3], m_pNetIf->hwaddr[4], m_pNetIf->hwaddr[5]);
+
+ m_pNetIf = netif_add(m_pNetIf, &(m_ip.getStruct()), &(m_netmask.getStruct()), &(m_gateway.getStruct()), NULL, eth_init, ip_input);//ethernet_input);// ip_input);
+ //m_pNetIf->hostname = "mbedDG";//(char *)m_hostname; //Not used for now
+ netif_set_default(m_pNetIf);
+
+ //DBG("\r\nStarting DHCP.\r\n");
+
+ if(m_useDhcp)
+ {
+ dhcp_start(m_pNetIf);
+ DBG("DHCP Started, waiting for IP...\n");
+ }
+ else
+ {
+ netif_set_up(m_pNetIf);
+ }
+
+ Timer timeout;
+ timeout.start();
+ while( !netif_is_up(m_pNetIf) ) //Wait until device is up
+ {
+ if(m_useDhcp)
+ {
+ if(m_dhcpFineTimer.read_ms()>=DHCP_FINE_TIMER_MSECS)
+ {
+ m_dhcpFineTimer.reset();
+ dhcp_fine_tmr();
+ }
+ if(m_dhcpCoarseTimer.read()>=DHCP_COARSE_TIMER_SECS)
+ {
+ m_dhcpCoarseTimer.reset();
+ dhcp_coarse_tmr();
+ }
+ }
+ poll();
+ if( timeout.read_ms() > timeout_ms )
+ {
+ //Abort
+ if(m_useDhcp)
+ dhcp_stop(m_pNetIf);
+ else
+ netif_set_down(m_pNetIf);
+ DBG("\r\nTimeout.\r\n");
+ return ETH_TIMEOUT;
+ }
+ }
+
+ #if LWIP_IGMP
+ igmp_start(m_pNetIf); //Start IGMP processing
+ #endif
+
+ m_ip = IpAddr(&(m_pNetIf->ip_addr));
+
+ DBG("Connected, IP : %d.%d.%d.%d\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
+
+ return ETH_OK;
+}
+
+void EthernetNetIf::poll()
+{
+ if(m_ethArpTimer.read_ms()>=ARP_TMR_INTERVAL)
+ {
+ m_ethArpTimer.reset();
+ etharp_tmr();
+ }
+ #if LWIP_IGMP
+ if(m_igmpTimer.read_ms()>=IGMP_TMR_INTERVAL)
+ {
+ m_igmpTimer.reset();
+ igmp_tmr();
+ }
+ #endif
+ LwipNetIf::poll();
+ eth_poll();
+}
+
+#endif