ZG2100 Network interface source

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Show/hide line numbers LwipNetIf.cpp Source File

LwipNetIf.cpp

00001 
00002 /*
00003 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
00004  
00005 Permission is hereby granted, free of charge, to any person obtaining a copy
00006 of this software and associated documentation files (the "Software"), to deal
00007 in the Software without restriction, including without limitation the rights
00008 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
00009 copies of the Software, and to permit persons to whom the Software is
00010 furnished to do so, subject to the following conditions:
00011  
00012 The above copyright notice and this permission notice shall be included in
00013 all copies or substantial portions of the Software.
00014  
00015 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
00016 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
00017 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
00018 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
00019 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
00020 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
00021 THE SOFTWARE.
00022 */
00023 
00024 #include "LwipNetIf.h"
00025 #include "lwip/init.h"
00026 #include "lwip/tcp_impl.h"
00027 #include "lwip/dns.h"
00028 
00029 #include "lwipNetTcpSocket.h"
00030 #include "lwipNetUdpSocket.h"
00031 #include "lwipNetDnsRequest.h"
00032 
00033 #include "netCfg.h"
00034 #if NET_LWIP_STACK
00035 
00036 //See doc/rawapi.txt for details
00037 
00038 LwipNetIf::LwipNetIf() : NetIf(), m_tcpTimer(), m_dnsTimer(), m_init(false)
00039 {  
00040 
00041 }
00042 
00043 
00044 LwipNetIf::~LwipNetIf()
00045 {
00046 
00047 }
00048 
00049 void LwipNetIf::init()
00050 {
00051   if(m_init)
00052     return;
00053   m_init=true;
00054   lwip_init(); //init lwip, see init.c for details
00055   
00056   //Setup Clocks
00057   m_tcpTimer.start();
00058   m_dnsTimer.start();
00059   //m_tcpTicker.attach_us( tcp_tmr, TCP_TMR_INTERVAL * 1000 ); //TCP_TMR_INTERVAL = 250 ms in tcp_impl.h
00060   //m_dnsTicker.attach_us( dns_tmr, DNS_TMR_INTERVAL * 1000 ); //DNS_TMR_INTERVAL = 1000 ms in dns.h
00061 }
00062 
00063 NetTcpSocket* LwipNetIf::tcpSocket()  //Create a new tcp socket
00064 {
00065   return new LwipNetTcpSocket();
00066 }
00067 
00068 NetUdpSocket* LwipNetIf::udpSocket()  //Create a new udp socket
00069 {
00070   return new LwipNetUdpSocket();
00071 }
00072 
00073 NetDnsRequest* LwipNetIf::dnsRequest(const char* hostname) //Create a new NetDnsRequest object
00074 {
00075   return new LwipNetDnsRequest(hostname);
00076 }
00077 
00078 NetDnsRequest* LwipNetIf::dnsRequest(Host* pHost) //Create a new NetDnsRequest object
00079 {
00080   return new LwipNetDnsRequest(pHost);
00081 }
00082 
00083 void LwipNetIf::poll()
00084 {
00085   if(m_init && m_tcpTimer.read_ms() >= TCP_TMR_INTERVAL)
00086   {
00087     m_tcpTimer.reset();
00088     tcp_tmr(); //Poll LwIP
00089   }
00090   if(m_init && m_dnsTimer.read_ms() >= DNS_TMR_INTERVAL)
00091   {
00092     m_dnsTimer.reset();
00093     dns_tmr();
00094   }
00095   //Do some stuff...
00096 }
00097 
00098 #endif