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

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NetServices/if/eth/EthernetNetIf.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 #pragma diag_remark 1464
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 "EthernetNetIf.h"
ICTFBI 0:4edb816d21e1 25
ICTFBI 0:4edb816d21e1 26 #include "netif/etharp.h"
ICTFBI 0:4edb816d21e1 27 #include "lwip/dhcp.h"
ICTFBI 0:4edb816d21e1 28 #include "lwip/dns.h"
ICTFBI 0:4edb816d21e1 29 #include "lwip/igmp.h"
ICTFBI 0:4edb816d21e1 30
ICTFBI 0:4edb816d21e1 31 #include "drv/eth/eth_drv.h"
ICTFBI 0:4edb816d21e1 32 #include "mbed.h"
ICTFBI 0:4edb816d21e1 33
ICTFBI 0:4edb816d21e1 34 //#define __DEBUG
ICTFBI 0:4edb816d21e1 35 #include "dbg/dbg.h"
ICTFBI 0:4edb816d21e1 36
ICTFBI 0:4edb816d21e1 37 #include "netCfg.h"
ICTFBI 0:4edb816d21e1 38 #if NET_ETH
ICTFBI 0:4edb816d21e1 39
ICTFBI 0:4edb816d21e1 40 EthernetNetIf::EthernetNetIf(const char* hostname) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL),
ICTFBI 0:4edb816d21e1 41 m_netmask(255,255,255,255), m_gateway(), m_hostname(hostname)
ICTFBI 0:4edb816d21e1 42 {
ICTFBI 0:4edb816d21e1 43 //m_hostname = NULL;
ICTFBI 0:4edb816d21e1 44 m_pNetIf = new netif;
ICTFBI 0:4edb816d21e1 45 m_useDhcp = true;
ICTFBI 0:4edb816d21e1 46 m_pDhcp = new dhcp;
ICTFBI 0:4edb816d21e1 47 m_setup = false;
ICTFBI 0:4edb816d21e1 48 }
ICTFBI 0:4edb816d21e1 49
ICTFBI 0:4edb816d21e1 50 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
ICTFBI 0:4edb816d21e1 51 {
ICTFBI 0:4edb816d21e1 52 m_hostname = NULL;
ICTFBI 0:4edb816d21e1 53 m_netmask = netmask;
ICTFBI 0:4edb816d21e1 54 m_gateway = gateway;
ICTFBI 0:4edb816d21e1 55 m_ip = ip;
ICTFBI 0:4edb816d21e1 56 m_pNetIf = new netif;
ICTFBI 0:4edb816d21e1 57 dns_setserver(0, &dns.getStruct());
ICTFBI 0:4edb816d21e1 58 m_useDhcp = false;
ICTFBI 0:4edb816d21e1 59 m_setup = false;
ICTFBI 0:4edb816d21e1 60 }
ICTFBI 0:4edb816d21e1 61
ICTFBI 0:4edb816d21e1 62 EthernetNetIf::~EthernetNetIf()
ICTFBI 0:4edb816d21e1 63 {
ICTFBI 0:4edb816d21e1 64 if(m_pNetIf)
ICTFBI 0:4edb816d21e1 65 {
ICTFBI 0:4edb816d21e1 66 igmp_stop(m_pNetIf); //Stop IGMP processing
ICTFBI 0:4edb816d21e1 67 netif_set_down(m_pNetIf);
ICTFBI 0:4edb816d21e1 68 netif_remove(m_pNetIf);
ICTFBI 0:4edb816d21e1 69 delete m_pNetIf;
ICTFBI 0:4edb816d21e1 70 eth_free();
ICTFBI 0:4edb816d21e1 71 }
ICTFBI 0:4edb816d21e1 72
ICTFBI 0:4edb816d21e1 73 if (m_pDhcp)
ICTFBI 0:4edb816d21e1 74 delete m_pDhcp;
ICTFBI 0:4edb816d21e1 75 }
ICTFBI 0:4edb816d21e1 76
ICTFBI 0:4edb816d21e1 77 EthernetErr EthernetNetIf::setup(int timeout_ms /*= 15000*/)
ICTFBI 0:4edb816d21e1 78 {
ICTFBI 0:4edb816d21e1 79 if (m_setup)
ICTFBI 0:4edb816d21e1 80 {
ICTFBI 0:4edb816d21e1 81 igmp_stop(m_pNetIf);
ICTFBI 0:4edb816d21e1 82 netif_set_down(m_pNetIf);
ICTFBI 0:4edb816d21e1 83 netif_remove(m_pNetIf);
ICTFBI 0:4edb816d21e1 84 delete m_pNetIf;
ICTFBI 0:4edb816d21e1 85 eth_free();
ICTFBI 0:4edb816d21e1 86 m_pNetIf = new netif;
ICTFBI 0:4edb816d21e1 87 }
ICTFBI 0:4edb816d21e1 88
ICTFBI 0:4edb816d21e1 89 LwipNetIf::init();
ICTFBI 0:4edb816d21e1 90 //m_ethArpTicker.attach_us(&etharp_tmr, ARP_TMR_INTERVAL * 1000); // = 5s in etharp.h
ICTFBI 0:4edb816d21e1 91 m_ethArpTimer.start();
ICTFBI 0:4edb816d21e1 92 if(m_useDhcp)
ICTFBI 0:4edb816d21e1 93 {
ICTFBI 0:4edb816d21e1 94 //m_dhcpCoarseTicker.attach(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_SECS); // = 60s in dhcp.h
ICTFBI 0:4edb816d21e1 95 //m_dhcpFineTicker.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); // = 500ms in dhcp.h
ICTFBI 0:4edb816d21e1 96 m_dhcpCoarseTimer.start();
ICTFBI 0:4edb816d21e1 97 m_dhcpFineTimer.start();
ICTFBI 0:4edb816d21e1 98 }
ICTFBI 0:4edb816d21e1 99 m_pNetIf->hwaddr_len = ETHARP_HWADDR_LEN; //6
ICTFBI 0:4edb816d21e1 100 eth_address((char *)m_pNetIf->hwaddr);
ICTFBI 0:4edb816d21e1 101
ICTFBI 0:4edb816d21e1 102 DBG("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n",
ICTFBI 0:4edb816d21e1 103 m_pNetIf->hwaddr[0], m_pNetIf->hwaddr[1], m_pNetIf->hwaddr[2],
ICTFBI 0:4edb816d21e1 104 m_pNetIf->hwaddr[3], m_pNetIf->hwaddr[4], m_pNetIf->hwaddr[5]);
ICTFBI 0:4edb816d21e1 105
ICTFBI 0:4edb816d21e1 106 m_pNetIf = netif_add(m_pNetIf, &(m_ip.getStruct()), &(m_netmask.getStruct()), &(m_gateway.getStruct()), NULL, eth_init, ip_input);//ethernet_input);// ip_input);
ICTFBI 0:4edb816d21e1 107 m_pNetIf->hostname = (char *)m_hostname;
ICTFBI 0:4edb816d21e1 108 netif_set_default(m_pNetIf);
ICTFBI 0:4edb816d21e1 109
ICTFBI 0:4edb816d21e1 110 //DBG("\r\nStarting DHCP.\r\n");
ICTFBI 0:4edb816d21e1 111
ICTFBI 0:4edb816d21e1 112 if(m_useDhcp)
ICTFBI 0:4edb816d21e1 113 {
ICTFBI 0:4edb816d21e1 114 dhcp_set_struct(m_pNetIf, m_pDhcp);
ICTFBI 0:4edb816d21e1 115 dhcp_start(m_pNetIf);
ICTFBI 0:4edb816d21e1 116 DBG("DHCP Started, waiting for IP...\n");
ICTFBI 0:4edb816d21e1 117 }
ICTFBI 0:4edb816d21e1 118 else
ICTFBI 0:4edb816d21e1 119 {
ICTFBI 0:4edb816d21e1 120 netif_set_up(m_pNetIf);
ICTFBI 0:4edb816d21e1 121 }
ICTFBI 0:4edb816d21e1 122
ICTFBI 0:4edb816d21e1 123 Timer timeout;
ICTFBI 0:4edb816d21e1 124 timeout.start();
ICTFBI 0:4edb816d21e1 125 while( !netif_is_up(m_pNetIf) ) //Wait until device is up
ICTFBI 0:4edb816d21e1 126 {
ICTFBI 0:4edb816d21e1 127 if(m_useDhcp)
ICTFBI 0:4edb816d21e1 128 {
ICTFBI 0:4edb816d21e1 129 if(m_dhcpFineTimer.read_ms()>=DHCP_FINE_TIMER_MSECS)
ICTFBI 0:4edb816d21e1 130 {
ICTFBI 0:4edb816d21e1 131 m_dhcpFineTimer.reset();
ICTFBI 0:4edb816d21e1 132 dhcp_fine_tmr();
ICTFBI 0:4edb816d21e1 133 }
ICTFBI 0:4edb816d21e1 134 if(m_dhcpCoarseTimer.read()>=DHCP_COARSE_TIMER_SECS)
ICTFBI 0:4edb816d21e1 135 {
ICTFBI 0:4edb816d21e1 136 m_dhcpCoarseTimer.reset();
ICTFBI 0:4edb816d21e1 137 dhcp_coarse_tmr();
ICTFBI 0:4edb816d21e1 138 }
ICTFBI 0:4edb816d21e1 139 }
ICTFBI 0:4edb816d21e1 140 poll();
ICTFBI 0:4edb816d21e1 141 if( timeout.read_ms() > timeout_ms )
ICTFBI 0:4edb816d21e1 142 {
ICTFBI 0:4edb816d21e1 143 //Abort
ICTFBI 0:4edb816d21e1 144 if(m_useDhcp)
ICTFBI 0:4edb816d21e1 145 dhcp_stop(m_pNetIf);
ICTFBI 0:4edb816d21e1 146 else
ICTFBI 0:4edb816d21e1 147 netif_set_down(m_pNetIf);
ICTFBI 0:4edb816d21e1 148 DBG("\r\nTimeout.\r\n");
ICTFBI 0:4edb816d21e1 149 m_setup = true;
ICTFBI 0:4edb816d21e1 150 return ETH_TIMEOUT;
ICTFBI 0:4edb816d21e1 151 }
ICTFBI 0:4edb816d21e1 152 }
ICTFBI 0:4edb816d21e1 153
ICTFBI 0:4edb816d21e1 154 #if LWIP_IGMP
ICTFBI 0:4edb816d21e1 155 igmp_start(m_pNetIf); //Start IGMP processing
ICTFBI 0:4edb816d21e1 156 #endif
ICTFBI 0:4edb816d21e1 157
ICTFBI 0:4edb816d21e1 158 m_ip = IpAddr(&(m_pNetIf->ip_addr));
ICTFBI 0:4edb816d21e1 159
ICTFBI 0:4edb816d21e1 160 DBG("Connected, IP : %d.%d.%d.%d\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
ICTFBI 0:4edb816d21e1 161
ICTFBI 0:4edb816d21e1 162 m_setup = true;
ICTFBI 0:4edb816d21e1 163 return ETH_OK;
ICTFBI 0:4edb816d21e1 164 }
ICTFBI 0:4edb816d21e1 165
ICTFBI 0:4edb816d21e1 166 void EthernetNetIf::poll()
ICTFBI 0:4edb816d21e1 167 {
ICTFBI 0:4edb816d21e1 168 if(m_ethArpTimer.read_ms()>=ARP_TMR_INTERVAL)
ICTFBI 0:4edb816d21e1 169 {
ICTFBI 0:4edb816d21e1 170 m_ethArpTimer.reset();
ICTFBI 0:4edb816d21e1 171 etharp_tmr();
ICTFBI 0:4edb816d21e1 172 }
ICTFBI 0:4edb816d21e1 173 #if LWIP_IGMP
ICTFBI 0:4edb816d21e1 174 if(m_igmpTimer.read_ms()>=IGMP_TMR_INTERVAL)
ICTFBI 0:4edb816d21e1 175 {
ICTFBI 0:4edb816d21e1 176 m_igmpTimer.reset();
ICTFBI 0:4edb816d21e1 177 igmp_tmr();
ICTFBI 0:4edb816d21e1 178 }
ICTFBI 0:4edb816d21e1 179 #endif
ICTFBI 0:4edb816d21e1 180 LwipNetIf::poll();
ICTFBI 0:4edb816d21e1 181 eth_poll();
ICTFBI 0:4edb816d21e1 182 }
ICTFBI 0:4edb816d21e1 183
ICTFBI 0:4edb816d21e1 184 const char* EthernetNetIf::getHwAddr() const {
ICTFBI 0:4edb816d21e1 185 return (char*)m_pNetIf->hwaddr;
ICTFBI 0:4edb816d21e1 186 }
ICTFBI 0:4edb816d21e1 187
ICTFBI 0:4edb816d21e1 188 const char* EthernetNetIf::getHostname() const {
ICTFBI 0:4edb816d21e1 189 return m_hostname;
ICTFBI 0:4edb816d21e1 190 }
ICTFBI 0:4edb816d21e1 191
ICTFBI 0:4edb816d21e1 192 #endif