Yann Garcia / Mbed 2 deprecated DS130x_I2CApp

This short program illustrates how to use the DS130x_I2C library. My objective is to share the same RTC with Microchip 18F MCU.

Dependencies:   mbed DebugLibrary

NetServices/if/eth/EthernetNetIf.cpp@0:f30e2135b0db, 2011-02-09 (annotated)

Committer:
Yann
Date:
Wed Feb 09 13:57:49 2011 +0000
Revision:
0:f30e2135b0db
V0.0.0.1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Yann 0:f30e2135b0db 1 #pragma diag_remark 1464
Yann 0:f30e2135b0db 2 /*
Yann 0:f30e2135b0db 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
Yann 0:f30e2135b0db 4
Yann 0:f30e2135b0db 5 Permission is hereby granted, free of charge, to any person obtaining a copy
Yann 0:f30e2135b0db 6 of this software and associated documentation files (the "Software"), to deal
Yann 0:f30e2135b0db 7 in the Software without restriction, including without limitation the rights
Yann 0:f30e2135b0db 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
Yann 0:f30e2135b0db 9 copies of the Software, and to permit persons to whom the Software is
Yann 0:f30e2135b0db 10 furnished to do so, subject to the following conditions:
Yann 0:f30e2135b0db 11
Yann 0:f30e2135b0db 12 The above copyright notice and this permission notice shall be included in
Yann 0:f30e2135b0db 13 all copies or substantial portions of the Software.
Yann 0:f30e2135b0db 14
Yann 0:f30e2135b0db 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Yann 0:f30e2135b0db 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Yann 0:f30e2135b0db 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Yann 0:f30e2135b0db 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Yann 0:f30e2135b0db 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
Yann 0:f30e2135b0db 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
Yann 0:f30e2135b0db 21 THE SOFTWARE.
Yann 0:f30e2135b0db 22 */
Yann 0:f30e2135b0db 23
Yann 0:f30e2135b0db 24 #include "EthernetNetIf.h"
Yann 0:f30e2135b0db 25
Yann 0:f30e2135b0db 26 #include "netif/etharp.h"
Yann 0:f30e2135b0db 27 #include "lwip/dhcp.h"
Yann 0:f30e2135b0db 28 #include "lwip/dns.h"
Yann 0:f30e2135b0db 29 #include "lwip/igmp.h"
Yann 0:f30e2135b0db 30
Yann 0:f30e2135b0db 31 #include "drv/eth/eth_drv.h"
Yann 0:f30e2135b0db 32 #include "mbed.h"
Yann 0:f30e2135b0db 33
Yann 0:f30e2135b0db 34 //#define __DEBUG
Yann 0:f30e2135b0db 35 #include "dbg/dbg.h"
Yann 0:f30e2135b0db 36
Yann 0:f30e2135b0db 37 #include "netCfg.h"
Yann 0:f30e2135b0db 38 #if NET_ETH
Yann 0:f30e2135b0db 39
Yann 0:f30e2135b0db 40 EthernetNetIf::EthernetNetIf(const char* hostname) : LwipNetIf(), m_ethArpTimer(), m_dhcpCoarseTimer(), m_dhcpFineTimer(), m_igmpTimer(), m_pNetIf(NULL),
Yann 0:f30e2135b0db 41 m_netmask(255,255,255,255), m_gateway(), m_hostname(hostname)
Yann 0:f30e2135b0db 42 {
Yann 0:f30e2135b0db 43 //m_hostname = NULL;
Yann 0:f30e2135b0db 44 m_pNetIf = new netif;
Yann 0:f30e2135b0db 45 m_useDhcp = true;
Yann 0:f30e2135b0db 46 }
Yann 0:f30e2135b0db 47
Yann 0:f30e2135b0db 48 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
Yann 0:f30e2135b0db 49 {
Yann 0:f30e2135b0db 50 m_hostname = NULL;
Yann 0:f30e2135b0db 51 m_netmask = netmask;
Yann 0:f30e2135b0db 52 m_gateway = gateway;
Yann 0:f30e2135b0db 53 m_ip = ip;
Yann 0:f30e2135b0db 54 m_pNetIf = new netif;
Yann 0:f30e2135b0db 55 dns_setserver(0, &dns.getStruct());
Yann 0:f30e2135b0db 56 m_useDhcp = false;
Yann 0:f30e2135b0db 57 }
Yann 0:f30e2135b0db 58
Yann 0:f30e2135b0db 59 EthernetNetIf::~EthernetNetIf()
Yann 0:f30e2135b0db 60 {
Yann 0:f30e2135b0db 61 if(m_pNetIf)
Yann 0:f30e2135b0db 62 {
Yann 0:f30e2135b0db 63 igmp_stop(m_pNetIf); //Stop IGMP processing
Yann 0:f30e2135b0db 64 netif_set_down(m_pNetIf);
Yann 0:f30e2135b0db 65 netif_remove(m_pNetIf);
Yann 0:f30e2135b0db 66 delete m_pNetIf;
Yann 0:f30e2135b0db 67 eth_free();
Yann 0:f30e2135b0db 68 }
Yann 0:f30e2135b0db 69 }
Yann 0:f30e2135b0db 70
Yann 0:f30e2135b0db 71 EthernetErr EthernetNetIf::setup(int timeout_ms /*= 15000*/)
Yann 0:f30e2135b0db 72 {
Yann 0:f30e2135b0db 73 LwipNetIf::init();
Yann 0:f30e2135b0db 74 //m_ethArpTicker.attach_us(&etharp_tmr, ARP_TMR_INTERVAL * 1000); // = 5s in etharp.h
Yann 0:f30e2135b0db 75 m_ethArpTimer.start();
Yann 0:f30e2135b0db 76 if(m_useDhcp)
Yann 0:f30e2135b0db 77 {
Yann 0:f30e2135b0db 78 //m_dhcpCoarseTicker.attach(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_SECS); // = 60s in dhcp.h
Yann 0:f30e2135b0db 79 //m_dhcpFineTicker.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000); // = 500ms in dhcp.h
Yann 0:f30e2135b0db 80 m_dhcpCoarseTimer.start();
Yann 0:f30e2135b0db 81 m_dhcpFineTimer.start();
Yann 0:f30e2135b0db 82 }
Yann 0:f30e2135b0db 83 m_pNetIf->hwaddr_len = ETHARP_HWADDR_LEN; //6
Yann 0:f30e2135b0db 84 eth_address((char *)m_pNetIf->hwaddr);
Yann 0:f30e2135b0db 85
Yann 0:f30e2135b0db 86 DBG("HW Addr is : %02x:%02x:%02x:%02x:%02x:%02x.\n",
Yann 0:f30e2135b0db 87 m_pNetIf->hwaddr[0], m_pNetIf->hwaddr[1], m_pNetIf->hwaddr[2],
Yann 0:f30e2135b0db 88 m_pNetIf->hwaddr[3], m_pNetIf->hwaddr[4], m_pNetIf->hwaddr[5]);
Yann 0:f30e2135b0db 89
Yann 0:f30e2135b0db 90 m_pNetIf = netif_add(m_pNetIf, &(m_ip.getStruct()), &(m_netmask.getStruct()), &(m_gateway.getStruct()), NULL, eth_init, ip_input);//ethernet_input);// ip_input);
Yann 0:f30e2135b0db 91 m_pNetIf->hostname = (char *)m_hostname;
Yann 0:f30e2135b0db 92 netif_set_default(m_pNetIf);
Yann 0:f30e2135b0db 93
Yann 0:f30e2135b0db 94 //DBG("\r\nStarting DHCP.\r\n");
Yann 0:f30e2135b0db 95
Yann 0:f30e2135b0db 96 if(m_useDhcp)
Yann 0:f30e2135b0db 97 {
Yann 0:f30e2135b0db 98 dhcp_start(m_pNetIf);
Yann 0:f30e2135b0db 99 DBG("DHCP Started, waiting for IP...\n");
Yann 0:f30e2135b0db 100 }
Yann 0:f30e2135b0db 101 else
Yann 0:f30e2135b0db 102 {
Yann 0:f30e2135b0db 103 netif_set_up(m_pNetIf);
Yann 0:f30e2135b0db 104 }
Yann 0:f30e2135b0db 105
Yann 0:f30e2135b0db 106 Timer timeout;
Yann 0:f30e2135b0db 107 timeout.start();
Yann 0:f30e2135b0db 108 while( !netif_is_up(m_pNetIf) ) //Wait until device is up
Yann 0:f30e2135b0db 109 {
Yann 0:f30e2135b0db 110 if(m_useDhcp)
Yann 0:f30e2135b0db 111 {
Yann 0:f30e2135b0db 112 if(m_dhcpFineTimer.read_ms()>=DHCP_FINE_TIMER_MSECS)
Yann 0:f30e2135b0db 113 {
Yann 0:f30e2135b0db 114 m_dhcpFineTimer.reset();
Yann 0:f30e2135b0db 115 dhcp_fine_tmr();
Yann 0:f30e2135b0db 116 }
Yann 0:f30e2135b0db 117 if(m_dhcpCoarseTimer.read()>=DHCP_COARSE_TIMER_SECS)
Yann 0:f30e2135b0db 118 {
Yann 0:f30e2135b0db 119 m_dhcpCoarseTimer.reset();
Yann 0:f30e2135b0db 120 dhcp_coarse_tmr();
Yann 0:f30e2135b0db 121 }
Yann 0:f30e2135b0db 122 }
Yann 0:f30e2135b0db 123 poll();
Yann 0:f30e2135b0db 124 if( timeout.read_ms() > timeout_ms )
Yann 0:f30e2135b0db 125 {
Yann 0:f30e2135b0db 126 //Abort
Yann 0:f30e2135b0db 127 if(m_useDhcp)
Yann 0:f30e2135b0db 128 dhcp_stop(m_pNetIf);
Yann 0:f30e2135b0db 129 else
Yann 0:f30e2135b0db 130 netif_set_down(m_pNetIf);
Yann 0:f30e2135b0db 131 DBG("\r\nTimeout.\r\n");
Yann 0:f30e2135b0db 132 return ETH_TIMEOUT;
Yann 0:f30e2135b0db 133 }
Yann 0:f30e2135b0db 134 }
Yann 0:f30e2135b0db 135
Yann 0:f30e2135b0db 136 #if LWIP_IGMP
Yann 0:f30e2135b0db 137 igmp_start(m_pNetIf); //Start IGMP processing
Yann 0:f30e2135b0db 138 #endif
Yann 0:f30e2135b0db 139
Yann 0:f30e2135b0db 140 m_ip = IpAddr(&(m_pNetIf->ip_addr));
Yann 0:f30e2135b0db 141
Yann 0:f30e2135b0db 142 DBG("Connected, IP : %d.%d.%d.%d\n", m_ip[0], m_ip[1], m_ip[2], m_ip[3]);
Yann 0:f30e2135b0db 143
Yann 0:f30e2135b0db 144 return ETH_OK;
Yann 0:f30e2135b0db 145 }
Yann 0:f30e2135b0db 146
Yann 0:f30e2135b0db 147 void EthernetNetIf::poll()
Yann 0:f30e2135b0db 148 {
Yann 0:f30e2135b0db 149 if(m_ethArpTimer.read_ms()>=ARP_TMR_INTERVAL)
Yann 0:f30e2135b0db 150 {
Yann 0:f30e2135b0db 151 m_ethArpTimer.reset();
Yann 0:f30e2135b0db 152 etharp_tmr();
Yann 0:f30e2135b0db 153 }
Yann 0:f30e2135b0db 154 #if LWIP_IGMP
Yann 0:f30e2135b0db 155 if(m_igmpTimer.read_ms()>=IGMP_TMR_INTERVAL)
Yann 0:f30e2135b0db 156 {
Yann 0:f30e2135b0db 157 m_igmpTimer.reset();
Yann 0:f30e2135b0db 158 igmp_tmr();
Yann 0:f30e2135b0db 159 }
Yann 0:f30e2135b0db 160 #endif
Yann 0:f30e2135b0db 161 LwipNetIf::poll();
Yann 0:f30e2135b0db 162 eth_poll();
Yann 0:f30e2135b0db 163 }
Yann 0:f30e2135b0db 164
Yann 0:f30e2135b0db 165 #endif