196 lines
5.8 KiB
C
196 lines
5.8 KiB
C
/* This source file is part of the ATMEL FREERTOS-0.9.0 Release */
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/*This file has been prepared for Doxygen automatic documentation generation.*/
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/*! \file *********************************************************************
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*
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* \brief ethernet management for AVR32 UC3.
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*
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* - Compiler: IAR EWAVR32 and GNU GCC for AVR32
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* - Supported devices: All AVR32 devices can be used.
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* - AppNote:
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*
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* \author Atmel Corporation: http://www.atmel.com \n
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* Support email: avr32@atmel.com
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*
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*****************************************************************************/
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/* Copyright (c) 2007, Atmel Corporation All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. The name of ATMEL may not be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND
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* SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <string.h>
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#include "conf_eth.h"
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/* Scheduler include files. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* Demo program include files. */
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#include "partest.h"
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#include "serial.h"
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/* ethernet includes */
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#include "ethernet.h"
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#include "AVR32_EMAC.h"
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#if (HTTP_USED == 1)
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#include "BasicWEB.h"
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#endif
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#if (TFTP_USED == 1)
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#include "BasicTFTP.h"
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#endif
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#if (SMTP_USED == 1)
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#include "BasicSMTP.h"
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#endif
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/* lwIP includes */
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#include "lwip/sys.h"
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#include "lwip/api.h"
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#include "lwip/tcpip.h"
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#include "lwip/memp.h"
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#include "lwip/stats.h"
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#include "netif/loopif.h"
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//_____ M A C R O S ________________________________________________________
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//_____ D E F I N I T I O N S ______________________________________________
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/* global variable containing MAC Config (hw addr, IP, GW, ...) */
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struct netif EMAC_if;
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//_____ D E C L A R A T I O N S ____________________________________________
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/* Initialisation required by lwIP. */
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static void prvlwIPInit( void );
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/* Initialisation of ethernet interfaces by reading config file */
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static void prvEthernetConfigureInterface(void * param);
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/*! \brief create ethernet task, for ethernet management.
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*
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* \param uxPriority Input. priority for the task, it should be low
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*
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*/
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void vStartEthernetTask( unsigned portBASE_TYPE uxPriority )
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{
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/* Setup lwIP. */
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prvlwIPInit();
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#if (HTTP_USED == 1)
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/* Create the WEB server task. This uses the lwIP RTOS abstraction layer.*/
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sys_thread_new( vBasicWEBServer, ( void * ) NULL, ethWEBSERVER_PRIORITY );
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#endif
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#if (TFTP_USED == 1)
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/* Create the TFTP server task. This uses the lwIP RTOS abstraction layer.*/
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sys_thread_new( vBasicTFTPServer, ( void * ) NULL, ethTFTPSERVER_PRIORITY );
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#endif
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#if (SMTP_USED == 1)
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/* Create the SMTP Host task. This uses the lwIP RTOS abstraction layer.*/
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sys_thread_new( vBasicSMTPHost, ( void * ) NULL, ethSMTPHOST_PRIORITY );
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#endif
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}
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/*!
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* \brief start lwIP layer.
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*/
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static void prvlwIPInit( void )
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{
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/* Initialize lwIP and its interface layer. */
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#if LWIP_STATS
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stats_init();
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#endif
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sys_init();
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mem_init();
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memp_init();
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pbuf_init();
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netif_init();
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/* once TCP stack has been initalized, set hw and IP parameters, initialize MACB too */
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tcpip_init( prvEthernetConfigureInterface, NULL );
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}
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/*!
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* \brief set ethernet config
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*/
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static void prvEthernetConfigureInterface(void * param)
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{
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struct ip_addr xIpAddr, xNetMask, xGateway;
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extern err_t ethernetif_init( struct netif *netif );
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portCHAR MacAddress[6];
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/* Default MAC addr. */
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MacAddress[0] = emacETHADDR0;
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MacAddress[1] = emacETHADDR1;
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MacAddress[2] = emacETHADDR2;
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MacAddress[3] = emacETHADDR3;
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MacAddress[4] = emacETHADDR4;
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MacAddress[5] = emacETHADDR5;
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/* pass the EMAC address to AVR32_EMAC module */
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vEMACSetMACAddress( MacAddress );
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/* set MAC hardware address length to be used by lwIP */
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EMAC_if.hwaddr_len = 6;
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/* set MAC hardware address to be used by lwIP */
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memcpy( EMAC_if.hwaddr, MacAddress, EMAC_if.hwaddr_len );
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/* Default ip addr. */
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IP4_ADDR( &xIpAddr,emacIPADDR0,emacIPADDR1,emacIPADDR2,emacIPADDR3 );
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/* Default Subnet mask. */
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IP4_ADDR( &xNetMask,emacNET_MASK0,emacNET_MASK1,emacNET_MASK2,emacNET_MASK3 );
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/* Default Gw addr. */
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IP4_ADDR( &xGateway,emacGATEWAY_ADDR0,emacGATEWAY_ADDR1,emacGATEWAY_ADDR2,emacGATEWAY_ADDR3 );
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/* add data to netif */
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netif_add( &EMAC_if, &xIpAddr, &xNetMask, &xGateway, NULL, ethernetif_init, tcpip_input );
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/* make it the default interface */
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netif_set_default( &EMAC_if );
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/* bring it up */
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netif_set_up( &EMAC_if );
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}
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