lab practicals
Diff: arch/TARGET_NXP/lpc_emac_config.h
- Revision:
- 10:ab9330955226
diff -r 4694f865720b -r ab9330955226 arch/TARGET_NXP/lpc_emac_config.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/arch/TARGET_NXP/lpc_emac_config.h Thu Apr 24 10:45:51 2014 +0100 @@ -0,0 +1,111 @@ +/********************************************************************** +* $Id$ lpc_emac_config.h 2011-11-20 +*//** +* @file lpc_emac_config.h +* @brief PHY and EMAC configuration file +* @version 1.0 +* @date 20 Nov. 2011 +* @author NXP MCU SW Application Team +* +* Copyright(C) 2011, NXP Semiconductor +* All rights reserved. +* +*********************************************************************** +* Software that is described herein is for illustrative purposes only +* which provides customers with programming information regarding the +* products. This software is supplied "AS IS" without any warranties. +* NXP Semiconductors assumes no responsibility or liability for the +* use of the software, conveys no license or title under any patent, +* copyright, or mask work right to the product. NXP Semiconductors +* reserves the right to make changes in the software without +* notification. NXP Semiconductors also make no representation or +* warranty that such application will be suitable for the specified +* use without further testing or modification. +**********************************************************************/ + +#ifndef __LPC_EMAC_CONFIG_H +#define __LPC_EMAC_CONFIG_H + +#include "lwip/opt.h" + +#ifdef __cplusplus +extern "C" +{ +#endif + +/** @defgroup lwip_phy_config LWIP PHY configuration + * @ingroup lwip_phy + * + * Configuration options for the PHY connected to the LPC EMAC. + * @{ + */ + +/** \brief The PHY address connected the to MII/RMII + */ +#define LPC_PHYDEF_PHYADDR 1 /**< The PHY address on the PHY device. */ + +/** \brief Enable autonegotiation mode. + * If this is enabled, the PHY will attempt to auto-negotiate the + * best link mode if the PHY supports it. If this is not enabled, + * the PHY_USE_FULL_DUPLEX and PHY_USE_100MBS defines will be + * used to select the link mode. Note that auto-negotiation may + * take a few seconds to complete. + */ +#define PHY_USE_AUTONEG 1 /**< Enables auto-negotiation mode. */ + +/** \brief Sets up the PHY interface to either full duplex operation or + * half duplex operation if PHY_USE_AUTONEG is not enabled. + */ +#define PHY_USE_FULL_DUPLEX 1 /**< Sets duplex mode to full. */ + +/** \brief Sets up the PHY interface to either 100MBS operation or 10MBS + * operation if PHY_USE_AUTONEG is not enabled. + */ +#define PHY_USE_100MBS 1 /**< Sets data rate to 100Mbps. */ + +/** + * @} + */ + +/** @defgroup lwip_emac_config LWIP EMAC configuration + * @ingroup lwip_emac + * + * Configuration options for the LPC EMAC. + * @{ + */ + +/** \brief Selects RMII or MII connection type in the EMAC peripheral + */ +#define LPC_EMAC_RMII 1 /**< Use the RMII or MII driver variant .*/ + +/** \brief Defines the number of descriptors used for RX. This + * must be a minimum value of 2. + */ +#define LPC_NUM_BUFF_RXDESCS 3 + +/** \brief Defines the number of descriptors used for TX. Must + * be a minimum value of 2. + */ +#define LPC_NUM_BUFF_TXDESCS (TCP_SND_QUEUELEN + 1) + +/** \brief Set this define to 1 to enable bounce buffers for transmit pbufs + * that cannot be sent via the zero-copy method. Some chained pbufs + * may have a payload address that links to an area of memory that + * cannot be used for transmit DMA operations. If this define is + * set to 1, an extra check will be made with the pbufs. If a buffer + * is determined to be non-usable for zero-copy, a temporary bounce + * buffer will be created and used instead. + */ +#define LPC_TX_PBUF_BOUNCE_EN 1 + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* __LPC_EMAC_CONFIG_H */ + +/* --------------------------------- End Of File ------------------------------ */