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Library for Bert van Dam's book "ARM MICROCONTROLLERS" For all chapters with internet.

Dependencies:   mbed

NetServices/if/lwip/LwipNetIf.cpp@0:4edb816d21e1, 2015-10-16 (annotated)

Committer:
ICTFBI
Date:
Fri Oct 16 14:28:26 2015 +0000
Revision:
0:4edb816d21e1
Pre-update 16-10-15

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ICTFBI 0:4edb816d21e1 1
ICTFBI 0:4edb816d21e1 2 /*
ICTFBI 0:4edb816d21e1 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
ICTFBI 0:4edb816d21e1 4
ICTFBI 0:4edb816d21e1 5 Permission is hereby granted, free of charge, to any person obtaining a copy
ICTFBI 0:4edb816d21e1 6 of this software and associated documentation files (the "Software"), to deal
ICTFBI 0:4edb816d21e1 7 in the Software without restriction, including without limitation the rights
ICTFBI 0:4edb816d21e1 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
ICTFBI 0:4edb816d21e1 9 copies of the Software, and to permit persons to whom the Software is
ICTFBI 0:4edb816d21e1 10 furnished to do so, subject to the following conditions:
ICTFBI 0:4edb816d21e1 11
ICTFBI 0:4edb816d21e1 12 The above copyright notice and this permission notice shall be included in
ICTFBI 0:4edb816d21e1 13 all copies or substantial portions of the Software.
ICTFBI 0:4edb816d21e1 14
ICTFBI 0:4edb816d21e1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
ICTFBI 0:4edb816d21e1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
ICTFBI 0:4edb816d21e1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
ICTFBI 0:4edb816d21e1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
ICTFBI 0:4edb816d21e1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
ICTFBI 0:4edb816d21e1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
ICTFBI 0:4edb816d21e1 21 THE SOFTWARE.
ICTFBI 0:4edb816d21e1 22 */
ICTFBI 0:4edb816d21e1 23
ICTFBI 0:4edb816d21e1 24 #include "LwipNetIf.h"
ICTFBI 0:4edb816d21e1 25 #include "lwip/init.h"
ICTFBI 0:4edb816d21e1 26 #include "lwip/tcp_impl.h"
ICTFBI 0:4edb816d21e1 27 #include "lwip/dns.h"
ICTFBI 0:4edb816d21e1 28
ICTFBI 0:4edb816d21e1 29 #include "lwipNetTcpSocket.h"
ICTFBI 0:4edb816d21e1 30 #include "lwipNetUdpSocket.h"
ICTFBI 0:4edb816d21e1 31 #include "lwipNetDnsRequest.h"
ICTFBI 0:4edb816d21e1 32
ICTFBI 0:4edb816d21e1 33 #include "netCfg.h"
ICTFBI 0:4edb816d21e1 34 #if NET_LWIP_STACK
ICTFBI 0:4edb816d21e1 35
ICTFBI 0:4edb816d21e1 36 //See doc/rawapi.txt for details
ICTFBI 0:4edb816d21e1 37
ICTFBI 0:4edb816d21e1 38 LwipNetIf::LwipNetIf() : NetIf(), m_tcpTimer(), m_dnsTimer(), m_init(false)
ICTFBI 0:4edb816d21e1 39 {
ICTFBI 0:4edb816d21e1 40
ICTFBI 0:4edb816d21e1 41 }
ICTFBI 0:4edb816d21e1 42
ICTFBI 0:4edb816d21e1 43
ICTFBI 0:4edb816d21e1 44 LwipNetIf::~LwipNetIf()
ICTFBI 0:4edb816d21e1 45 {
ICTFBI 0:4edb816d21e1 46
ICTFBI 0:4edb816d21e1 47 }
ICTFBI 0:4edb816d21e1 48
ICTFBI 0:4edb816d21e1 49 void LwipNetIf::init()
ICTFBI 0:4edb816d21e1 50 {
ICTFBI 0:4edb816d21e1 51 if(m_init)
ICTFBI 0:4edb816d21e1 52 return;
ICTFBI 0:4edb816d21e1 53 m_init=true;
ICTFBI 0:4edb816d21e1 54 lwip_init(); //init lwip, see init.c for details
ICTFBI 0:4edb816d21e1 55
ICTFBI 0:4edb816d21e1 56 //Setup Clocks
ICTFBI 0:4edb816d21e1 57 m_tcpTimer.start();
ICTFBI 0:4edb816d21e1 58 m_dnsTimer.start();
ICTFBI 0:4edb816d21e1 59 //m_tcpTicker.attach_us( tcp_tmr, TCP_TMR_INTERVAL * 1000 ); //TCP_TMR_INTERVAL = 250 ms in tcp_impl.h
ICTFBI 0:4edb816d21e1 60 //m_dnsTicker.attach_us( dns_tmr, DNS_TMR_INTERVAL * 1000 ); //DNS_TMR_INTERVAL = 1000 ms in dns.h
ICTFBI 0:4edb816d21e1 61 }
ICTFBI 0:4edb816d21e1 62
ICTFBI 0:4edb816d21e1 63 NetTcpSocket* LwipNetIf::tcpSocket() //Create a new tcp socket
ICTFBI 0:4edb816d21e1 64 {
ICTFBI 0:4edb816d21e1 65 return new LwipNetTcpSocket();
ICTFBI 0:4edb816d21e1 66 }
ICTFBI 0:4edb816d21e1 67
ICTFBI 0:4edb816d21e1 68 NetUdpSocket* LwipNetIf::udpSocket() //Create a new udp socket
ICTFBI 0:4edb816d21e1 69 {
ICTFBI 0:4edb816d21e1 70 return new LwipNetUdpSocket();
ICTFBI 0:4edb816d21e1 71 }
ICTFBI 0:4edb816d21e1 72
ICTFBI 0:4edb816d21e1 73 NetDnsRequest* LwipNetIf::dnsRequest(const char* hostname) //Create a new NetDnsRequest object
ICTFBI 0:4edb816d21e1 74 {
ICTFBI 0:4edb816d21e1 75 return new LwipNetDnsRequest(hostname);
ICTFBI 0:4edb816d21e1 76 }
ICTFBI 0:4edb816d21e1 77
ICTFBI 0:4edb816d21e1 78 NetDnsRequest* LwipNetIf::dnsRequest(Host* pHost) //Create a new NetDnsRequest object
ICTFBI 0:4edb816d21e1 79 {
ICTFBI 0:4edb816d21e1 80 return new LwipNetDnsRequest(pHost);
ICTFBI 0:4edb816d21e1 81 }
ICTFBI 0:4edb816d21e1 82
ICTFBI 0:4edb816d21e1 83 void LwipNetIf::poll()
ICTFBI 0:4edb816d21e1 84 {
ICTFBI 0:4edb816d21e1 85 if(m_init && m_tcpTimer.read_ms() >= TCP_TMR_INTERVAL)
ICTFBI 0:4edb816d21e1 86 {
ICTFBI 0:4edb816d21e1 87 m_tcpTimer.reset();
ICTFBI 0:4edb816d21e1 88 tcp_tmr(); //Poll LwIP
ICTFBI 0:4edb816d21e1 89 }
ICTFBI 0:4edb816d21e1 90 if(m_init && m_dnsTimer.read_ms() >= DNS_TMR_INTERVAL)
ICTFBI 0:4edb816d21e1 91 {
ICTFBI 0:4edb816d21e1 92 m_dnsTimer.reset();
ICTFBI 0:4edb816d21e1 93 dns_tmr();
ICTFBI 0:4edb816d21e1 94 }
ICTFBI 0:4edb816d21e1 95 //Do some stuff...
ICTFBI 0:4edb816d21e1 96 }
ICTFBI 0:4edb816d21e1 97
ICTFBI 0:4edb816d21e1 98 #endif