Donatien Garnier / EthernetInterface

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Dependencies:   LwIPNetworking lwip-eth

Dependents:   CPPSocketsTest

Fork of EthernetNetworkLib by Donatien Garnier

main/if/EthernetInterface.cpp@8:f7aa5ec1e6fe, 2012-06-20 (annotated)

Committer:
donatien
Date:
Wed Jun 20 13:19:13 2012 +0000
Revision:
8:f7aa5ec1e6fe
Parent:
6:8acfdd9f43f1
Child:
10:7336d3d9cf64
Blocking connect() & disconnect() functions, recovery of interface state & IP address

Who changed what in which revision?

UserRevisionLine numberNew contents of line
donatien 6:8acfdd9f43f1 1 /* Ethernetnetwork.cpp */
donatien 6:8acfdd9f43f1 2 /*
donatien 6:8acfdd9f43f1 3 Copyright (C) 2012 ARM Limited.
donatien 6:8acfdd9f43f1 4
donatien 6:8acfdd9f43f1 5 Permission is hereby granted, free of charge, to any person obtaining a copy of
donatien 6:8acfdd9f43f1 6 this software and associated documentation files (the "Software"), to deal in
donatien 6:8acfdd9f43f1 7 the Software without restriction, including without limitation the rights to
donatien 6:8acfdd9f43f1 8 use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
donatien 6:8acfdd9f43f1 9 of the Software, and to permit persons to whom the Software is furnished to do
donatien 6:8acfdd9f43f1 10 so, subject to the following conditions:
donatien 6:8acfdd9f43f1 11
donatien 6:8acfdd9f43f1 12 The above copyright notice and this permission notice shall be included in all
donatien 6:8acfdd9f43f1 13 copies or substantial portions of the Software.
donatien 6:8acfdd9f43f1 14
donatien 6:8acfdd9f43f1 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
donatien 6:8acfdd9f43f1 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
donatien 6:8acfdd9f43f1 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
donatien 6:8acfdd9f43f1 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
donatien 6:8acfdd9f43f1 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
donatien 6:8acfdd9f43f1 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
donatien 6:8acfdd9f43f1 21 SOFTWARE.
donatien 6:8acfdd9f43f1 22 */
donatien 6:8acfdd9f43f1 23
donatien 6:8acfdd9f43f1 24 #define __DEBUG__ 4
donatien 6:8acfdd9f43f1 25 #ifndef __MODULE__
donatien 6:8acfdd9f43f1 26 #define __MODULE__ "EthernetInterface.cpp"
donatien 6:8acfdd9f43f1 27 #endif
donatien 6:8acfdd9f43f1 28
donatien 6:8acfdd9f43f1 29 #include "core/fwk.h"
donatien 6:8acfdd9f43f1 30
donatien 6:8acfdd9f43f1 31 #include "EthernetInterface.h"
donatien 6:8acfdd9f43f1 32
donatien 6:8acfdd9f43f1 33 #include "lwip/inet.h"
donatien 6:8acfdd9f43f1 34 #include "lwip/netif.h"
donatien 6:8acfdd9f43f1 35 #include "netif/etharp.h"
donatien 6:8acfdd9f43f1 36 #include "lwip/dhcp.h"
donatien 6:8acfdd9f43f1 37 #include "arch/lpc17_emac.h"
donatien 6:8acfdd9f43f1 38 #include "lpc_phy.h" /* For the PHY monitor support */
donatien 6:8acfdd9f43f1 39 #include "lwip/tcpip.h"
donatien 6:8acfdd9f43f1 40
donatien 6:8acfdd9f43f1 41 #include "mbed.h"
donatien 6:8acfdd9f43f1 42
donatien 6:8acfdd9f43f1 43
donatien 8:f7aa5ec1e6fe 44 EthernetInterface::EthernetInterface() : LwIPInterface(), m_lpcNetif(), m_netifStatusSphre(1), m_useDHCP(false)
donatien 6:8acfdd9f43f1 45 {
donatien 8:f7aa5ec1e6fe 46 s_lpcNetifOff = (int32_t)( ((char*)this) - ((char*)&m_lpcNetif) );
donatien 8:f7aa5ec1e6fe 47 m_netifStatusSphre.wait(0);
donatien 6:8acfdd9f43f1 48 }
donatien 6:8acfdd9f43f1 49
donatien 6:8acfdd9f43f1 50 int EthernetInterface::init() //With DHCP
donatien 6:8acfdd9f43f1 51 {
donatien 6:8acfdd9f43f1 52 m_useDHCP = true;
donatien 6:8acfdd9f43f1 53
donatien 6:8acfdd9f43f1 54 DBG("Initializing LwIP");
donatien 6:8acfdd9f43f1 55 LwIPInterface::init(); //Init LwIP, NOT including PPP
donatien 6:8acfdd9f43f1 56
donatien 6:8acfdd9f43f1 57 DBG("DHCP IP assignment");
donatien 6:8acfdd9f43f1 58
donatien 6:8acfdd9f43f1 59 memset((void*)&m_lpcNetif, 0, sizeof(m_lpcNetif));
donatien 6:8acfdd9f43f1 60 netif_add(&m_lpcNetif, NULL, NULL, NULL, NULL, lpc_enetif_init, ethernet_input/*tcpip_input???*/);
donatien 6:8acfdd9f43f1 61 netif_set_default(&m_lpcNetif);
donatien 8:f7aa5ec1e6fe 62
donatien 8:f7aa5ec1e6fe 63 netif_set_status_callback(&m_lpcNetif, &EthernetInterface::netifStatusCb);
donatien 6:8acfdd9f43f1 64
donatien 6:8acfdd9f43f1 65 return OK;
donatien 6:8acfdd9f43f1 66 }
donatien 6:8acfdd9f43f1 67
donatien 6:8acfdd9f43f1 68 int EthernetInterface::init(const char* ip, const char* mask, const char* gateway,
donatien 6:8acfdd9f43f1 69 const char* dns1, const char* dns2) //No DHCP
donatien 6:8acfdd9f43f1 70 {
donatien 6:8acfdd9f43f1 71 ip_addr_t ip_n, mask_n, gateway_n, dns1_n, dns2_n;
donatien 6:8acfdd9f43f1 72
donatien 6:8acfdd9f43f1 73 m_useDHCP = false;
donatien 6:8acfdd9f43f1 74
donatien 6:8acfdd9f43f1 75 DBG("Initializing LwIP");
donatien 8:f7aa5ec1e6fe 76 LwIPInterface::init(); //Init LwIP
donatien 6:8acfdd9f43f1 77
donatien 6:8acfdd9f43f1 78 DBG("Static IP assignment");
donatien 6:8acfdd9f43f1 79 inet_aton(ip, &ip_n);
donatien 6:8acfdd9f43f1 80 inet_aton(mask, &mask_n);
donatien 6:8acfdd9f43f1 81 inet_aton(gateway, &gateway_n);
donatien 6:8acfdd9f43f1 82 inet_aton(dns1, &dns1_n);
donatien 6:8acfdd9f43f1 83 inet_aton(dns2, &dns2_n);
donatien 6:8acfdd9f43f1 84
donatien 6:8acfdd9f43f1 85 memset((void*)&m_lpcNetif, 0, sizeof(m_lpcNetif));
donatien 6:8acfdd9f43f1 86 netif_add(&m_lpcNetif, &ip_n, &mask_n, &gateway_n, NULL, lpc_enetif_init, ethernet_input/*tcpip_input???*/);
donatien 6:8acfdd9f43f1 87 netif_set_default(&m_lpcNetif);
donatien 8:f7aa5ec1e6fe 88
donatien 8:f7aa5ec1e6fe 89 netif_set_status_callback(&m_lpcNetif, &EthernetInterface::netifStatusCb);
donatien 6:8acfdd9f43f1 90
donatien 6:8acfdd9f43f1 91 return OK;
donatien 6:8acfdd9f43f1 92 }
donatien 6:8acfdd9f43f1 93
donatien 6:8acfdd9f43f1 94 int EthernetInterface::connect()
donatien 6:8acfdd9f43f1 95 {
donatien 8:f7aa5ec1e6fe 96 m_netifStatusSphre.wait(0);
donatien 6:8acfdd9f43f1 97
donatien 6:8acfdd9f43f1 98 DBG("Enable MAC interrupts");
donatien 6:8acfdd9f43f1 99 NVIC_SetPriority(ENET_IRQn, ((0x01 << 3) | 0x01));
donatien 6:8acfdd9f43f1 100 NVIC_EnableIRQ(ENET_IRQn);
donatien 6:8acfdd9f43f1 101
donatien 6:8acfdd9f43f1 102 if(m_useDHCP)
donatien 6:8acfdd9f43f1 103 {
donatien 8:f7aa5ec1e6fe 104 dhcp_start(&m_lpcNetif); //The DHCP client will set the interface up once the IP/Netmask/Getway/DNS Servers are recovered
donatien 6:8acfdd9f43f1 105 }
donatien 8:f7aa5ec1e6fe 106 else
donatien 8:f7aa5ec1e6fe 107 {
donatien 8:f7aa5ec1e6fe 108 netif_set_up(&m_lpcNetif); //Set interface up
donatien 8:f7aa5ec1e6fe 109 }
donatien 8:f7aa5ec1e6fe 110
donatien 8:f7aa5ec1e6fe 111 m_netifStatusSphre.wait();
donatien 8:f7aa5ec1e6fe 112
donatien 8:f7aa5ec1e6fe 113 DBG("Connected with IP %s", getIPAddress());
donatien 6:8acfdd9f43f1 114
donatien 6:8acfdd9f43f1 115 return OK;
donatien 6:8acfdd9f43f1 116 }
donatien 6:8acfdd9f43f1 117
donatien 6:8acfdd9f43f1 118 int EthernetInterface::disconnect()
donatien 6:8acfdd9f43f1 119 {
donatien 8:f7aa5ec1e6fe 120 m_netifStatusSphre.wait(0);
donatien 8:f7aa5ec1e6fe 121
donatien 6:8acfdd9f43f1 122 if(m_useDHCP)
donatien 6:8acfdd9f43f1 123 {
donatien 8:f7aa5ec1e6fe 124 dhcp_release(&m_lpcNetif); //Release the lease & bring interface down
donatien 6:8acfdd9f43f1 125 dhcp_stop(&m_lpcNetif);
donatien 6:8acfdd9f43f1 126 }
donatien 8:f7aa5ec1e6fe 127 else
donatien 8:f7aa5ec1e6fe 128 {
donatien 8:f7aa5ec1e6fe 129 netif_set_down(&m_lpcNetif);
donatien 8:f7aa5ec1e6fe 130 }
donatien 6:8acfdd9f43f1 131
donatien 6:8acfdd9f43f1 132 DBG("Disable MAC interrupts");
donatien 6:8acfdd9f43f1 133 NVIC_DisableIRQ(ENET_IRQn);
donatien 8:f7aa5ec1e6fe 134
donatien 8:f7aa5ec1e6fe 135 m_netifStatusSphre.wait();
donatien 6:8acfdd9f43f1 136
donatien 6:8acfdd9f43f1 137 return OK;
donatien 6:8acfdd9f43f1 138 }
donatien 6:8acfdd9f43f1 139
donatien 8:f7aa5ec1e6fe 140 /*static*/ void EthernetInterface::netifStatusCb(struct netif *netif)
donatien 6:8acfdd9f43f1 141 {
donatien 8:f7aa5ec1e6fe 142 EthernetInterface* pIf = (EthernetInterface*)( ((int32_t)netif) + ((int32_t)s_lpcNetifOff) ); //Bad kludge
donatien 8:f7aa5ec1e6fe 143 pIf->setIPAddress(inet_ntoa(netif->ip_addr));
donatien 8:f7aa5ec1e6fe 144 pIf->setConnected(netif_is_up(netif)?true:false);
donatien 8:f7aa5ec1e6fe 145 pIf->m_netifStatusSphre.wait(0); //Clear if pending
donatien 8:f7aa5ec1e6fe 146 pIf->m_netifStatusSphre.release();
donatien 6:8acfdd9f43f1 147 }
donatien 6:8acfdd9f43f1 148
donatien 8:f7aa5ec1e6fe 149 /*static*/ int32_t EthernetInterface::s_lpcNetifOff = 0;