Diff: main/if/EthernetNetwork.cpp

Revision:

0:7b5b0d3a55d5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main/if/EthernetNetwork.cpp	Thu May 24 15:26:28 2012 +0000
@@ -0,0 +1,147 @@
+/* Ethernetnetwork.cpp */
+/*
+ Copyright (C) 2012 ARM Limited.
+
+ 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.
+ */
+
+#define __DEBUG__ 4
+#ifndef __MODULE__
+#define __MODULE__ "EthernetNetwork.cpp"
+#endif
+
+#include "core/fwk.h"
+
+#include "EthernetNetwork.h"
+
+#include "lwip/inet.h"
+#include "lwip/netif.h"
+#include "netif/etharp.h"
+#include "lwip/dhcp.h"
+#include "lwip/arch/lpc17_emac.h"
+#include "lpc_phy.h" /* For the PHY monitor support */
+#include "lwip/tcpip.h"
+
+#include "mbed.h"
+
+#if NET_ETHERNET
+
+EthernetNetwork::EthernetNetwork() : LwIPInterface(), m_supervisor(&EthernetNetwork::phySupervisorCb, osTimerPeriodic, this), m_lpcNetif(), m_useDHCP(false)
+{
+
+}
+
+int EthernetNetwork::init() //With DHCP
+{
+  ip_addr_t ip_n, mask_n, gateway_n;
+
+  m_useDHCP = true;
+
+  DBG("Initializing LwIP");
+  LwIPInterface::init(); //Init LwIP, NOT including PPP
+
+  DBG("DHCP IP assignment");
+
+  memset((void*)&m_lpcNetif, 0, sizeof(m_lpcNetif));
+  netif_add(&m_lpcNetif, NULL, NULL, NULL, NULL, lpc_enetif_init, ethernet_input/*tcpip_input???*/);
+  netif_set_default(&m_lpcNetif);
+
+  return OK;
+}
+
+int EthernetNetwork::init(const char* ip, const char* mask, const char* gateway,
+    const char* dns1, const char* dns2) //No DHCP
+{
+  ip_addr_t ip_n, mask_n, gateway_n, dns1_n, dns2_n;
+
+  m_useDHCP = false;
+
+  DBG("Initializing LwIP");
+  LwIPInterface::init(); //Init LwIP, NOT including PPP
+
+  DBG("Static IP assignment");
+  inet_aton(ip, &ip_n);
+  inet_aton(mask, &mask_n);
+  inet_aton(gateway, &gateway_n);
+  inet_aton(dns1, &dns1_n);
+  inet_aton(dns2, &dns2_n);
+
+  memset((void*)&m_lpcNetif, 0, sizeof(m_lpcNetif));
+  netif_add(&m_lpcNetif, &ip_n, &mask_n, &gateway_n, NULL, lpc_enetif_init, ethernet_input/*tcpip_input???*/);
+  netif_set_default(&m_lpcNetif);
+
+  return OK;
+}
+
+/*virtual*/int EthernetNetwork::connect()
+{
+  m_supervisor.start(250);
+  netif_set_up(&m_lpcNetif);
+
+  DBG("Enable MAC interrupts");
+  NVIC_SetPriority(ENET_IRQn, ((0x01 << 3) | 0x01));
+  NVIC_EnableIRQ(ENET_IRQn);
+
+  if(m_useDHCP)
+  {
+    dhcp_start(&m_lpcNetif);
+  }
+
+  return OK;
+}
+
+/*virtual*/int EthernetNetwork::disconnect()
+{
+  if(m_useDHCP)
+  {
+    dhcp_stop(&m_lpcNetif);
+  }
+
+  netif_set_down(&m_lpcNetif);
+
+  DBG("Disable MAC interrupts");
+  NVIC_DisableIRQ(ENET_IRQn);
+
+  m_supervisor.stop();
+
+  return OK;
+}
+
+/*static*/ void EthernetNetwork::phySupervisorCb(void const* ctx)
+{
+  EthernetNetwork* pIf = (EthernetNetwork*) ctx;
+  /* Call the PHY status update state machine once in a while
+   to keep the link status up-to-date */
+  if (lpc_phy_sts_sm(&pIf->m_lpcNetif) != 0)
+  {
+    /* Set the state of the LED to on if the ethernet link is
+     active or off is disconnected. */
+    if (pIf->m_lpcNetif.flags & NETIF_FLAG_LINK_UP)
+    {
+      pIf->m_linkUp = true;
+    }
+    else
+    {
+      pIf->m_linkUp = false;
+    }
+  }
+}
+
+#endif
+