not sure why I have to do this
Dependencies: Socket lwip-eth lwip-sys lwip
Dependents: IoT IoT_Security_Ethernet IoT_V3
Fork of EthernetInterface by
EthernetInterface.cpp
- Committer:
- donatien
- Date:
- 2012-07-03
- Revision:
- 8:dbc8547f882b
- Parent:
- 4:9a52c802be61
- Child:
- 10:8d1c7a87c17b
File content as of revision 8:dbc8547f882b:
/* EthernetInterface.cpp */ /* Copyright (C) 2012 mbed.org, MIT License * * 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__ 0 #ifndef __MODULE__ #define __MODULE__ "EthernetInterface.cpp" #endif #include "core/fwk.h" #include "EthernetInterface.h" #include "lwip/inet.h" #include "lwip/netif.h" #include "netif/etharp.h" #include "lwip/dhcp.h" #include "arch/lpc17_emac.h" #include "lpc_phy.h" /* For the PHY monitor support */ #include "lwip/tcpip.h" #include "mbed.h" EthernetInterface::EthernetInterface() : LwIPInterface(), m_lpcNetif(), m_netifStatusSphre(1), m_useDHCP(false) { s_lpcNetifOff = (int32_t)( ((char*)this) - ((char*)&m_lpcNetif) ); m_netifStatusSphre.wait(0); } int EthernetInterface::init() //With DHCP { 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); netif_set_status_callback(&m_lpcNetif, &EthernetInterface::netifStatusCb); return OK; } int EthernetInterface::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 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); netif_set_status_callback(&m_lpcNetif, &EthernetInterface::netifStatusCb); return OK; } int EthernetInterface::connect() { m_netifStatusSphre.wait(0); DBG("Enable MAC interrupts"); NVIC_SetPriority(ENET_IRQn, ((0x01 << 3) | 0x01)); NVIC_EnableIRQ(ENET_IRQn); if(m_useDHCP) { dhcp_start(&m_lpcNetif); //The DHCP client will set the interface up once the IP/Netmask/Getway/DNS Servers are recovered } else { netif_set_up(&m_lpcNetif); //Set interface up } m_netifStatusSphre.wait(); DBG("Connected with IP %s", getIPAddress()); return OK; } int EthernetInterface::disconnect() { m_netifStatusSphre.wait(0); if(m_useDHCP) { dhcp_release(&m_lpcNetif); //Release the lease & bring interface down dhcp_stop(&m_lpcNetif); } else { netif_set_down(&m_lpcNetif); } DBG("Disable MAC interrupts"); NVIC_DisableIRQ(ENET_IRQn); m_netifStatusSphre.wait(); return OK; } /*static*/ void EthernetInterface::netifStatusCb(struct netif *netif) { EthernetInterface* pIf = (EthernetInterface*)( ((int32_t)netif) + ((int32_t)s_lpcNetifOff) ); //Bad kludge pIf->setIPAddress(inet_ntoa(netif->ip_addr)); pIf->setConnected(netif_is_up(netif)?true:false); pIf->m_netifStatusSphre.wait(0); //Clear if pending pIf->m_netifStatusSphre.release(); } /*static*/ int32_t EthernetInterface::s_lpcNetifOff = 0;