I have a Tiva-C 1294 LaunchPad. Now I am familiarizing the lwIP project. It is found that the Ethernet relevant initial functions are included in file:
/*** Copyright (c) 2001-2004 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: ** 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICui32AR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels * */
/*** Copyright (c) 2008-2012 Texas Instruments Incorporated ** This file is derived from the ``ethernetif.c'' skeleton Ethernet network * interface driver for lwIP. * */
/*** Sanity Check: This interface driver will NOT work if the following defines * are incorrect. * */ #if (PBUF_LINK_HLEN != 16) #error "PBUF_LINK_HLEN must be 16 for this interface driver!" #endif #if (ETH_PAD_SIZE != 0) #error "ETH_PAD_SIZE must be 0 for this interface driver!" #endif #if (!SYS_LIGHTWEIGHT_PROT) #error "SYS_LIGHTWEIGHT_PROT must be enabled for this interface driver!" #endif
/*** Set the physical address of the PHY we will be using if this is not * specified in lwipopts.h. We assume 0 for the internal PHY. */ #ifndef PHY_PHYS_ADDR #define PHY_PHYS_ADDR 0 #endif
/*** If necessary, set the defaui32t number of transmit and receive DMA descriptors * used by the Ethernet MAC. * */ #ifndef NUM_RX_DESCRIPTORS #define NUM_RX_DESCRIPTORS 4 #endif
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