Delete EMAC.c from the A2F demo.
Richard Barry
14 years ago
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c0bf3cd7f9
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/*
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FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* If you are: *
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* *
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* + New to FreeRTOS, *
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* + Wanting to learn FreeRTOS or multitasking in general quickly *
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* + Looking for basic training, *
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* + Wanting to improve your FreeRTOS skills and productivity *
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* *
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* then take a look at the FreeRTOS books - available as PDF or paperback *
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* *
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* "Using the FreeRTOS Real Time Kernel - a Practical Guide" *
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* http://www.FreeRTOS.org/Documentation *
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* *
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* A pdf reference manual is also available. Both are usually delivered *
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* to your inbox within 20 minutes to two hours when purchased between 8am *
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* and 8pm GMT (although please allow up to 24 hours in case of *
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* exceptional circumstances). Thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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***NOTE*** The exception to the GPL is included to allow you to distribute
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a combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* FreeRTOS includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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/* Hardware driver includes. */
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#include "mss_ethernet_mac.h"
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/* uIP includes. */
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#include "net/uip.h"
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static void prvEMACEventListener( unsigned long ulEvents );
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#define emacPHY_ADDRESS 1
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/*-----------------------------------------------------------*/
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/* The buffer used by the uIP stack to both receive and send. This points to
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one of the Ethernet buffers when its actually in use. */
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unsigned char *uip_buf = NULL;
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const unsigned char ucMACAddress[] = { configMAC_ADDR0, configMAC_ADDR1, configMAC_ADDR2, configMAC_ADDR3, configMAC_ADDR4, configMAC_ADDR5 };
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/*-----------------------------------------------------------*/
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void vInitEmac( void )
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{
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unsigned long ulMACCfg;
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MSS_MAC_init( emacPHY_ADDRESS );
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ulMACCfg = MSS_MAC_get_configuration();
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ulMACCfg &= ~( MSS_MAC_CFG_STORE_AND_FORWARD | MSS_MAC_CFG_PASS_BAD_FRAMES );
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ulMACCfg |= ( MSS_MAC_CFG_RECEIVE_ALL | MSS_MAC_CFG_PROMISCUOUS_MODE | MSS_MAC_CFG_FULL_DUPLEX_MODE | MSS_MAC_CFG_TRANSMIT_THRESHOLD_MODE | MSS_MAC_CFG_THRESHOLD_CONTROL_00 );
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MSS_MAC_configure( ulMACCfg );
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MSS_MAC_set_mac_address( ( unsigned char *) ucMACAddress );
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MSS_MAC_set_callback( prvEMACEventListener );
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}
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/*-----------------------------------------------------------*/
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void vEMACWrite( void )
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{
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MSS_MAC_tx_packet( uip_buf, uip_len, 0 );
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}
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/*-----------------------------------------------------------*/
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unsigned long ulEMACRead( void )
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{
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return MSS_MAC_rx_packet( &uip_buf, ( MSS_RX_BUFF_SIZE + 4 ), 0UL );
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}
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/*-----------------------------------------------------------*/
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long lEMACWaitForLink( void )
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{
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long lReturn = pdFAIL;
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unsigned long ulStatus;
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ulStatus = MSS_MAC_link_status();
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if( ( ulStatus & ( unsigned long ) MSS_MAC_LINK_STATUS_LINK ) != 0UL )
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{
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lReturn = pdPASS;
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}
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return lReturn;
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}
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/*-----------------------------------------------------------*/
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static void prvEMACEventListener( unsigned long ulEvents )
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{
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extern xSemaphoreHandle xEMACSemaphore;
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long lHigherPriorityTaskWoken = pdFALSE;
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if( xEMACSemaphore != NULL )
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{
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if( ( ulEvents & MSS_MAC_EVENT_PACKET_SEND ) != 0UL )
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{
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/* Handle send event. */
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}
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if( ( ulEvents & MSS_MAC_EVENT_PACKET_RECEIVED ) != 0UL )
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{
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/* Wake the uIP task as new data has arrived. */
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xSemaphoreGiveFromISR( xEMACSemaphore, &lHigherPriorityTaskWoken );
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}
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}
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portEND_SWITCHING_ISR( lHigherPriorityTaskWoken );
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}
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