LwIP with PPP & Ethernet integration
This is the mbed port of the LwIP stack: http://savannah.nongnu.org/projects/lwip/
It includes contributed content from NXP's port for LPCxxxx devices: http://www.lpcware.com/content/project/lightweight-ip-lwip-networking-stack
Licence
LwIP is licenced under the BSD licence:
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 PARTICULAR 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.
arch/lpc_phy.h
- Committer:
- donatien
- Date:
- 2012-05-25
- Revision:
- 2:1a87f74b8e3b
- Parent:
- 0:8e01dca41002
File content as of revision 2:1a87f74b8e3b:
/********************************************************************** * $Id$ lpc_phy.h 2011-11-20 *//** * @file lpc_phy.h * @brief Common PHY definitions used with all PHYs * @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_PHY_H_ #define __LPC_PHY_H_ #include "lwip/opt.h" #include "lwip/err.h" #include "lwip/netif.h" #ifdef __cplusplus extern "C" { #endif /* These PHY functions are usually part of the EMAC driver */ /** \brief Phy status update state machine * * This function provides a state machine for maintaining the PHY * status without blocking. It must be occasionally called for the * PHY status to be maintained. * * \param[in] netif NETIF structure */ s32_t lpc_phy_sts_sm(struct netif *netif); /** \brief Initialize the PHY * * This function initializes the PHY. It will block until complete. * This function is called as part of the EMAC driver * initialization. Configuration of the PHY at startup is * controlled by setting up configuration defines in lpc_phy.h. * * \param[in] netif NETIF structure * \return ERR_OK if the setup was successful, otherwise ERR_TIMEOUT */ err_t lpc_phy_init(struct netif *netif); /** \brief Write a value via the MII link (non-blocking) * * This function will write a value on the MII link interface to a PHY * or a connected device. The function will return immediately without * a status. Status needs to be polled later to determine if the write * was successful. * * \param[in] PhyReg PHY register to write to * \param[in] Value Value to write */ void lpc_mii_write_noblock(u32_t PhyReg, u32_t Value); /** \brief Write a value via the MII link (blocking) * * This function will write a value on the MII link interface to a PHY * or a connected device. The function will block until complete. * * \param[in] PhyReg PHY register to write to * \param[in] Value Value to write * \returns 0 if the write was successful, otherwise !0 */ err_t lpc_mii_write(u32_t PhyReg, u32_t Value); /** \brief Reads current MII link busy status * * This function will return the current MII link busy status and is meant to * be used with non-blocking functions for monitor PHY status such as * connection state. * * \returns !0 if the MII link is busy, otherwise 0 */ u32_t lpc_mii_is_busy(void); /** \brief Starts a read operation via the MII link (non-blocking) * * This function returns the current value in the MII data register. It is * meant to be used with the non-blocking oeprations. This value should * only be read after a non-block read command has been issued and the * MII status has been determined to be good. * * \returns The current value in the MII value register */ u32_t lpc_mii_read_data(void); /** \brief Starts a read operation via the MII link (non-blocking) * * This function will start a read operation on the MII link interface * from a PHY or a connected device. The function will not block and * the status mist be polled until complete. Once complete, the data * can be read. * * \param[in] PhyReg PHY register to read from */ err_t lpc_mii_read(u32_t PhyReg, u32_t *data); /** \brief Read a value via the MII link (blocking) * * This function will read a value on the MII link interface from a PHY * or a connected device. The function will block until complete. * * \param[in] PhyReg PHY register to read from * \param[in] data Pointer to where to save data read via MII * \returns 0 if the read was successful, otherwise !0 */ void lpc_mii_read_noblock(u32_t PhyReg); /** * This function provides a method for the PHY to setup the EMAC * for the PHY negotiated duplex mode. * * @param[in] full_duplex 0 = half duplex, 1 = full duplex */ void lpc_emac_set_duplex(int full_duplex); /** * This function provides a method for the PHY to setup the EMAC * for the PHY negotiated bit rate. * * @param[in] mbs_100 0 = 10mbs mode, 1 = 100mbs mode */ void lpc_emac_set_speed(int mbs_100); #ifdef __cplusplus } #endif #endif /* __LPC_PHY_H_ */ /* --------------------------------- End Of File ------------------------------ */