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/*This file has been prepared for Doxygen automatic documentation generation.*/

/*! \file *********************************************************************

 *

 * \brief ethernet management for AVR32 UC3.

 *

 * - Compiler:           IAR EWAVR32 and GNU GCC for AVR32

 * - Supported devices:  All AVR32 devices can be used.

 * - AppNote:

 *

 * \author               Atmel Corporation: http://www.atmel.com \n

 *                       Support and FAQ: http://support.atmel.no/

 *

 *****************************************************************************/

/* Copyright (c) 2007, Atmel Corporation 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 ATMEL may not be used to endorse or promote products derived

 * from this software without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY ATMEL ``AS IS'' AND ANY EXPRESS OR IMPLIED

 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF

 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND

 * SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.

 */

#include <string.h>

#include "conf_eth.h"

/* Scheduler include files. */

#include "FreeRTOS.h"

#include "task.h"

/* Demo program include files. */

#include "partest.h"

#include "serial.h"

/* ethernet includes */

#include "ethernet.h"

#include "conf_eth.h"

#include "macb.h"

#include "gpio.h"

#if (HTTP_USED == 1)

  #include "BasicWEB.h"

#endif

#if (TFTP_USED == 1)

  #include "BasicTFTP.h"

#endif

#if (SMTP_USED == 1)

  #include "BasicSMTP.h"

#endif

/* lwIP includes */

#include "lwip/sys.h"

#include "lwip/api.h" 

#include "lwip/tcpip.h"

#include "lwip/memp.h" 

#include "lwip/stats.h"

#include "netif/loopif.h"

//_____ M A C R O S ________________________________________________________

//_____ D E F I N I T I O N S ______________________________________________

/* global variable containing MAC Config (hw addr, IP, GW, ...) */

struct netif MACB_if;

//_____ D E C L A R A T I O N S ____________________________________________

/* Initialisation required by lwIP. */

static void prvlwIPInit( void );

/* Initialisation of ethernet interfaces by reading config file */

static void prvEthernetConfigureInterface(void * param);

/*! \brief create ethernet task, for ethernet management.

 *

 *  \param uxPriority   Input. priority for the task, it should be low

 *

 */

void vStartEthernetTask( unsigned portBASE_TYPE uxPriority )

{

static const gpio_map_t MACB_GPIO_MAP =

{

  {AVR32_MACB_MDC_0_PIN,    AVR32_MACB_MDC_0_FUNCTION   },

  {AVR32_MACB_MDIO_0_PIN,   AVR32_MACB_MDIO_0_FUNCTION  },

  {AVR32_MACB_RXD_0_PIN,    AVR32_MACB_RXD_0_FUNCTION   },

  {AVR32_MACB_TXD_0_PIN,    AVR32_MACB_TXD_0_FUNCTION   },

  {AVR32_MACB_RXD_1_PIN,    AVR32_MACB_RXD_1_FUNCTION   },

  {AVR32_MACB_TXD_1_PIN,    AVR32_MACB_TXD_1_FUNCTION   },

  {AVR32_MACB_TX_EN_0_PIN,  AVR32_MACB_TX_EN_0_FUNCTION },

  {AVR32_MACB_RX_ER_0_PIN,  AVR32_MACB_RX_ER_0_FUNCTION },

  {AVR32_MACB_RX_DV_0_PIN,  AVR32_MACB_RX_DV_0_FUNCTION },

  {AVR32_MACB_TX_CLK_0_PIN, AVR32_MACB_TX_CLK_0_FUNCTION}

};

  // Assign GPIO to MACB

  gpio_enable_module(MACB_GPIO_MAP, sizeof(MACB_GPIO_MAP) / sizeof(MACB_GPIO_MAP[0]));

  /* Setup lwIP. */

  prvlwIPInit();

#if (HTTP_USED == 1)

  /* Create the WEB server task.  This uses the lwIP RTOS abstraction layer.*/

  sys_thread_new( vBasicWEBServer, ( void * ) NULL, ethWEBSERVER_PRIORITY );

#endif

#if (TFTP_USED == 1)

  /* Create the TFTP server task.  This uses the lwIP RTOS abstraction layer.*/

  sys_thread_new( vBasicTFTPServer, ( void * ) NULL, ethTFTPSERVER_PRIORITY );

#endif

#if (SMTP_USED == 1)

  /* Create the SMTP Client task.  This uses the lwIP RTOS abstraction layer.*/

  sys_thread_new( vBasicSMTPClient, ( void * ) NULL, ethSMTPCLIENT_PRIORITY );

#endif

}

/*!

 *  \brief start lwIP layer.

 */

static void prvlwIPInit( void )

{

        /* Initialize lwIP and its interface layer. */

        #if LWIP_STATS

                stats_init();

        #endif

        sys_init();

        mem_init();

        memp_init();

        pbuf_init();

        netif_init();

        /* once TCP stack has been initalized, set hw and IP parameters, initialize MACB too */

        tcpip_init( prvEthernetConfigureInterface, NULL );

}

/*!

 *  \brief set ethernet config

 */

static void prvEthernetConfigureInterface(void * param)

{

struct ip_addr xIpAddr, xNetMask, xGateway;

extern err_t ethernetif_init( struct netif *netif );

portCHAR MacAddress[6];

   /* Default MAC addr. */

   MacAddress[0] = ETHERNET_CONF_ETHADDR0;

   MacAddress[1] = ETHERNET_CONF_ETHADDR1;

   MacAddress[2] = ETHERNET_CONF_ETHADDR2;

   MacAddress[3] = ETHERNET_CONF_ETHADDR3;

   MacAddress[4] = ETHERNET_CONF_ETHADDR4;

   MacAddress[5] = ETHERNET_CONF_ETHADDR5;

   /* pass the MAC address to MACB module */

   vMACBSetMACAddress( MacAddress );

   /* set MAC hardware address length to be used by lwIP */

   MACB_if.hwaddr_len = 6;

   /* set MAC hardware address to be used by lwIP */

   memcpy( MACB_if.hwaddr, MacAddress, MACB_if.hwaddr_len );

   /* Default ip addr. */

   IP4_ADDR( &xIpAddr,ETHERNET_CONF_IPADDR0,ETHERNET_CONF_IPADDR1,ETHERNET_CONF_IPADDR2,ETHERNET_CONF_IPADDR3 );

   /* Default Subnet mask. */

   IP4_ADDR( &xNetMask,ETHERNET_CONF_NET_MASK0,ETHERNET_CONF_NET_MASK1,ETHERNET_CONF_NET_MASK2,ETHERNET_CONF_NET_MASK3 );

   /* Default Gw addr. */

   IP4_ADDR( &xGateway,ETHERNET_CONF_GATEWAY_ADDR0,ETHERNET_CONF_GATEWAY_ADDR1,ETHERNET_CONF_GATEWAY_ADDR2,ETHERNET_CONF_GATEWAY_ADDR3 );

   /* add data to netif */

   netif_add( &MACB_if, &xIpAddr, &xNetMask, &xGateway, NULL, ethernetif_init, tcpip_input );

   /* make it the default interface */

   netif_set_default( &MACB_if );

   /* bring it up */

   netif_set_up( &MACB_if );

}