mbed official / lwip-eth

NXP LPC1768 Ethernet driver for lwip and CMSIS-RTOS

Dependents:   EthernetInterface EthernetInterface EthernetInterface_RSF EthernetInterface ... more

Legacy Networking Libraries

This is an mbed 2 networking library. For mbed 5, the networking libraries have been revised to better support additional network stacks and thread safety here.

This library is based on the code of the NXP LPC port of the Lightweight TCP/IP Stack

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.

arch/lpc_phy_dp83848.c@1:0c9d93e2f51c, 2012-06-22 (annotated)

Committer:
emilmont
Date:
Fri Jun 22 11:17:21 2012 +0000
Revision:
1:0c9d93e2f51c
Parent:
0:f4db29eb9e47
Child:
3:dd8b8f5b449a
Adapt NXP lwip Ethernet driver to CMSIS-RTOS and LPC1768

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:f4db29eb9e47 1 /**********************************************************************
mbed_official 0:f4db29eb9e47 2 * $Id$ lpc_phy_dp83848.c 2011-11-20
mbed_official 0:f4db29eb9e47 3 *//**
mbed_official 0:f4db29eb9e47 4 * @file lpc_phy_dp83848.c
mbed_official 0:f4db29eb9e47 5 * @brief DP83848C PHY status and control.
mbed_official 0:f4db29eb9e47 6 * @version 1.0
mbed_official 0:f4db29eb9e47 7 * @date 20 Nov. 2011
mbed_official 0:f4db29eb9e47 8 * @author NXP MCU SW Application Team
mbed_official 0:f4db29eb9e47 9 *
mbed_official 0:f4db29eb9e47 10 * Copyright(C) 2011, NXP Semiconductor
mbed_official 0:f4db29eb9e47 11 * All rights reserved.
mbed_official 0:f4db29eb9e47 12 *
mbed_official 0:f4db29eb9e47 13 ***********************************************************************
mbed_official 0:f4db29eb9e47 14 * Software that is described herein is for illustrative purposes only
mbed_official 0:f4db29eb9e47 15 * which provides customers with programming information regarding the
mbed_official 0:f4db29eb9e47 16 * products. This software is supplied "AS IS" without any warranties.
mbed_official 0:f4db29eb9e47 17 * NXP Semiconductors assumes no responsibility or liability for the
mbed_official 0:f4db29eb9e47 18 * use of the software, conveys no license or title under any patent,
mbed_official 0:f4db29eb9e47 19 * copyright, or mask work right to the product. NXP Semiconductors
mbed_official 0:f4db29eb9e47 20 * reserves the right to make changes in the software without
mbed_official 0:f4db29eb9e47 21 * notification. NXP Semiconductors also make no representation or
mbed_official 0:f4db29eb9e47 22 * warranty that such application will be suitable for the specified
mbed_official 0:f4db29eb9e47 23 * use without further testing or modification.
mbed_official 0:f4db29eb9e47 24 **********************************************************************/
mbed_official 0:f4db29eb9e47 25
mbed_official 0:f4db29eb9e47 26 #include "lwip/opt.h"
mbed_official 0:f4db29eb9e47 27 #include "lwip/err.h"
mbed_official 0:f4db29eb9e47 28 #include "lwip/tcpip.h"
mbed_official 0:f4db29eb9e47 29 #include "lwip/snmp.h"
mbed_official 0:f4db29eb9e47 30 #include "lpc_emac_config.h"
mbed_official 0:f4db29eb9e47 31 #include "lpc_phy.h"
mbed_official 0:f4db29eb9e47 32
mbed_official 0:f4db29eb9e47 33 /** @defgroup dp83848_phy PHY status and control for the DP83848.
mbed_official 0:f4db29eb9e47 34 * @ingroup lwip_phy
mbed_official 0:f4db29eb9e47 35 *
mbed_official 0:f4db29eb9e47 36 * Various functions for controlling and monitoring the status of the
mbed_official 0:f4db29eb9e47 37 * DP83848 PHY. In polled (standalone) systems, the PHY state must be
mbed_official 0:f4db29eb9e47 38 * monitored as part of the application. In a threaded (RTOS) system,
mbed_official 0:f4db29eb9e47 39 * the PHY state is monitored by the PHY handler thread. The MAC
mbed_official 0:f4db29eb9e47 40 * driver will not transmit unless the PHY link is active.
mbed_official 0:f4db29eb9e47 41 * @{
mbed_official 0:f4db29eb9e47 42 */
mbed_official 0:f4db29eb9e47 43
mbed_official 0:f4db29eb9e47 44 /** \brief DP83848 PHY register offsets */
mbed_official 0:f4db29eb9e47 45 #define DP8_BMCR_REG 0x0 /**< Basic Mode Control Register */
mbed_official 0:f4db29eb9e47 46 #define DP8_BMSR_REG 0x1 /**< Basic Mode Status Reg */
mbed_official 0:f4db29eb9e47 47 #define DP8_ANADV_REG 0x4 /**< Auto_Neg Advt Reg */
mbed_official 0:f4db29eb9e47 48 #define DP8_ANLPA_REG 0x5 /**< Auto_neg Link Partner Ability Reg */
mbed_official 0:f4db29eb9e47 49 #define DP8_ANEEXP_REG 0x6 /**< Auto-neg Expansion Reg */
mbed_official 0:f4db29eb9e47 50 #define DP8_PHY_STAT_REG 0x10 /**< PHY Status Register */
mbed_official 0:f4db29eb9e47 51 #define DP8_PHY_INT_CTL_REG 0x11 /**< PHY Interrupt Control Register */
mbed_official 0:f4db29eb9e47 52 #define DP8_PHY_RBR_REG 0x17 /**< PHY RMII and Bypass Register */
mbed_official 0:f4db29eb9e47 53 #define DP8_PHY_STS_REG 0x19 /**< PHY Status Register */
mbed_official 0:f4db29eb9e47 54
mbed_official 0:f4db29eb9e47 55 /** \brief DP83848 Control register definitions */
mbed_official 0:f4db29eb9e47 56 #define DP8_RESET (1 << 15) /**< 1= S/W Reset */
mbed_official 0:f4db29eb9e47 57 #define DP8_LOOPBACK (1 << 14) /**< 1=loopback Enabled */
mbed_official 0:f4db29eb9e47 58 #define DP8_SPEED_SELECT (1 << 13) /**< 1=Select 100MBps */
mbed_official 0:f4db29eb9e47 59 #define DP8_AUTONEG (1 << 12) /**< 1=Enable auto-negotiation */
mbed_official 0:f4db29eb9e47 60 #define DP8_POWER_DOWN (1 << 11) /**< 1=Power down PHY */
mbed_official 0:f4db29eb9e47 61 #define DP8_ISOLATE (1 << 10) /**< 1=Isolate PHY */
mbed_official 0:f4db29eb9e47 62 #define DP8_RESTART_AUTONEG (1 << 9) /**< 1=Restart auto-negoatiation */
mbed_official 0:f4db29eb9e47 63 #define DP8_DUPLEX_MODE (1 << 8) /**< 1=Full duplex mode */
mbed_official 0:f4db29eb9e47 64 #define DP8_COLLISION_TEST (1 << 7) /**< 1=Perform collsion test */
mbed_official 0:f4db29eb9e47 65
mbed_official 0:f4db29eb9e47 66 /** \brief DP83848 Status register definitions */
mbed_official 0:f4db29eb9e47 67 #define DP8_100BASE_T4 (1 << 15) /**< T4 mode */
mbed_official 0:f4db29eb9e47 68 #define DP8_100BASE_TX_FD (1 << 14) /**< 100MBps full duplex */
mbed_official 0:f4db29eb9e47 69 #define DP8_100BASE_TX_HD (1 << 13) /**< 100MBps half duplex */
mbed_official 0:f4db29eb9e47 70 #define DP8_10BASE_T_FD (1 << 12) /**< 100Bps full duplex */
mbed_official 0:f4db29eb9e47 71 #define DP8_10BASE_T_HD (1 << 11) /**< 10MBps half duplex */
mbed_official 0:f4db29eb9e47 72 #define DP8_MF_PREAMB_SUPPR (1 << 6) /**< Preamble suppress */
mbed_official 0:f4db29eb9e47 73 #define DP8_AUTONEG_COMP (1 << 5) /**< Auto-negotation complete */
mbed_official 0:f4db29eb9e47 74 #define DP8_RMT_FAULT (1 << 4) /**< Fault */
mbed_official 0:f4db29eb9e47 75 #define DP8_AUTONEG_ABILITY (1 << 3) /**< Auto-negotation supported */
mbed_official 0:f4db29eb9e47 76 #define DP8_LINK_STATUS (1 << 2) /**< 1=Link active */
mbed_official 0:f4db29eb9e47 77 #define DP8_JABBER_DETECT (1 << 1) /**< Jabber detect */
mbed_official 0:f4db29eb9e47 78 #define DP8_EXTEND_CAPAB (1 << 0) /**< Supports extended capabilities */
mbed_official 0:f4db29eb9e47 79
mbed_official 0:f4db29eb9e47 80 /** \brief DP83848 PHY RBR MII dode definitions */
mbed_official 0:f4db29eb9e47 81 #define DP8_RBR_RMII_MODE (1 << 5) /**< Use RMII mode */
mbed_official 0:f4db29eb9e47 82
mbed_official 0:f4db29eb9e47 83 /** \brief DP83848 PHY status definitions */
mbed_official 0:f4db29eb9e47 84 #define DP8_REMOTEFAULT (1 << 6) /**< Remote fault */
mbed_official 0:f4db29eb9e47 85 #define DP8_FULLDUPLEX (1 << 2) /**< 1=full duplex */
mbed_official 0:f4db29eb9e47 86 #define DP8_SPEED10MBPS (1 << 1) /**< 1=10MBps speed */
mbed_official 0:f4db29eb9e47 87 #define DP8_VALID_LINK (1 << 0) /**< 1=Link active */
mbed_official 0:f4db29eb9e47 88
mbed_official 0:f4db29eb9e47 89 /** \brief DP83848 PHY ID register definitions */
mbed_official 0:f4db29eb9e47 90 #define DP8_PHYID1_OUI 0x2000 /**< Expected PHY ID1 */
mbed_official 0:f4db29eb9e47 91 #define DP8_PHYID2_OUI 0x5c90 /**< Expected PHY ID2 */
mbed_official 0:f4db29eb9e47 92
emilmont 1:0c9d93e2f51c 93 /** \brief PHY status structure used to indicate current status of PHY.
emilmont 1:0c9d93e2f51c 94 */
mbed_official 0:f4db29eb9e47 95 typedef struct {
mbed_official 0:f4db29eb9e47 96 u32_t phy_speed_100mbs:1; /**< 10/100 MBS connection speed flag. */
mbed_official 0:f4db29eb9e47 97 u32_t phy_full_duplex:1; /**< Half/full duplex connection speed flag. */
mbed_official 0:f4db29eb9e47 98 u32_t phy_link_active:1; /**< Phy link active flag. */
mbed_official 0:f4db29eb9e47 99 } PHY_STATUS_TYPE;
mbed_official 0:f4db29eb9e47 100
mbed_official 0:f4db29eb9e47 101 /** \brief PHY update flags */
mbed_official 0:f4db29eb9e47 102 static PHY_STATUS_TYPE physts;
mbed_official 0:f4db29eb9e47 103
mbed_official 0:f4db29eb9e47 104 /** \brief Last PHY update flags, used for determing if something has changed */
mbed_official 0:f4db29eb9e47 105 static PHY_STATUS_TYPE olddphysts;
mbed_official 0:f4db29eb9e47 106
mbed_official 0:f4db29eb9e47 107 /** \brief PHY update counter for state machine */
mbed_official 0:f4db29eb9e47 108 static s32_t phyustate;
mbed_official 0:f4db29eb9e47 109
mbed_official 0:f4db29eb9e47 110 /** \brief Update PHY status from passed value
mbed_official 0:f4db29eb9e47 111 *
mbed_official 0:f4db29eb9e47 112 * This function updates the current PHY status based on the
mbed_official 0:f4db29eb9e47 113 * passed PHY status word. The PHY status indicate if the link
mbed_official 0:f4db29eb9e47 114 * is active, the connection speed, and duplex.
mbed_official 0:f4db29eb9e47 115 *
mbed_official 0:f4db29eb9e47 116 * \param[in] netif NETIF structure
mbed_official 0:f4db29eb9e47 117 * \param[in] linksts Status word from PHY
mbed_official 0:f4db29eb9e47 118 * \return 1 if the status has changed, otherwise 0
mbed_official 0:f4db29eb9e47 119 */
mbed_official 0:f4db29eb9e47 120 static s32_t lpc_update_phy_sts(struct netif *netif, u32_t linksts)
mbed_official 0:f4db29eb9e47 121 {
mbed_official 0:f4db29eb9e47 122 s32_t changed = 0;
mbed_official 0:f4db29eb9e47 123
mbed_official 0:f4db29eb9e47 124 /* Update link active status */
mbed_official 0:f4db29eb9e47 125 if (linksts & DP8_VALID_LINK)
mbed_official 0:f4db29eb9e47 126 physts.phy_link_active = 1;
mbed_official 0:f4db29eb9e47 127 else
mbed_official 0:f4db29eb9e47 128 physts.phy_link_active = 0;
mbed_official 0:f4db29eb9e47 129
mbed_official 0:f4db29eb9e47 130 /* Full or half duplex */
mbed_official 0:f4db29eb9e47 131 if (linksts & DP8_FULLDUPLEX)
emilmont 1:0c9d93e2f51c 132 physts.phy_full_duplex = 1;
mbed_official 0:f4db29eb9e47 133 else
mbed_official 0:f4db29eb9e47 134 physts.phy_full_duplex = 0;
emilmont 1:0c9d93e2f51c 135
emilmont 1:0c9d93e2f51c 136 /* Configure 100MBit/10MBit mode. */
mbed_official 0:f4db29eb9e47 137 if (linksts & DP8_SPEED10MBPS)
mbed_official 0:f4db29eb9e47 138 physts.phy_speed_100mbs = 0;
emilmont 1:0c9d93e2f51c 139 else
mbed_official 0:f4db29eb9e47 140 physts.phy_speed_100mbs = 1;
mbed_official 0:f4db29eb9e47 141
mbed_official 0:f4db29eb9e47 142 if (physts.phy_speed_100mbs != olddphysts.phy_speed_100mbs) {
mbed_official 0:f4db29eb9e47 143 changed = 1;
mbed_official 0:f4db29eb9e47 144 if (physts.phy_speed_100mbs) {
emilmont 1:0c9d93e2f51c 145 /* 100MBit mode. */
mbed_official 0:f4db29eb9e47 146 lpc_emac_set_speed(1);
mbed_official 0:f4db29eb9e47 147
mbed_official 0:f4db29eb9e47 148 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 100000000);
mbed_official 0:f4db29eb9e47 149 }
mbed_official 0:f4db29eb9e47 150 else {
emilmont 1:0c9d93e2f51c 151 /* 10MBit mode. */
mbed_official 0:f4db29eb9e47 152 lpc_emac_set_speed(0);
emilmont 1:0c9d93e2f51c 153
mbed_official 0:f4db29eb9e47 154 NETIF_INIT_SNMP(netif, snmp_ifType_ethernet_csmacd, 10000000);
mbed_official 0:f4db29eb9e47 155 }
mbed_official 0:f4db29eb9e47 156
mbed_official 0:f4db29eb9e47 157 olddphysts.phy_speed_100mbs = physts.phy_speed_100mbs;
mbed_official 0:f4db29eb9e47 158 }
mbed_official 0:f4db29eb9e47 159
mbed_official 0:f4db29eb9e47 160 if (physts.phy_full_duplex != olddphysts.phy_full_duplex) {
mbed_official 0:f4db29eb9e47 161 changed = 1;
mbed_official 0:f4db29eb9e47 162 if (physts.phy_full_duplex)
mbed_official 0:f4db29eb9e47 163 lpc_emac_set_duplex(1);
mbed_official 0:f4db29eb9e47 164 else
mbed_official 0:f4db29eb9e47 165 lpc_emac_set_duplex(0);
mbed_official 0:f4db29eb9e47 166
mbed_official 0:f4db29eb9e47 167 olddphysts.phy_full_duplex = physts.phy_full_duplex;
mbed_official 0:f4db29eb9e47 168 }
mbed_official 0:f4db29eb9e47 169
mbed_official 0:f4db29eb9e47 170 if (physts.phy_link_active != olddphysts.phy_link_active) {
mbed_official 0:f4db29eb9e47 171 changed = 1;
mbed_official 0:f4db29eb9e47 172 #if NO_SYS == 1
mbed_official 0:f4db29eb9e47 173 if (physts.phy_link_active)
mbed_official 0:f4db29eb9e47 174 netif_set_link_up(netif);
mbed_official 0:f4db29eb9e47 175 else
mbed_official 0:f4db29eb9e47 176 netif_set_link_down(netif);
mbed_official 0:f4db29eb9e47 177 #else
mbed_official 0:f4db29eb9e47 178 if (physts.phy_link_active)
mbed_official 0:f4db29eb9e47 179 tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_up,
mbed_official 0:f4db29eb9e47 180 (void*) netif, 1);
mbed_official 0:f4db29eb9e47 181 else
mbed_official 0:f4db29eb9e47 182 tcpip_callback_with_block((tcpip_callback_fn) netif_set_link_down,
mbed_official 0:f4db29eb9e47 183 (void*) netif, 1);
mbed_official 0:f4db29eb9e47 184 #endif
mbed_official 0:f4db29eb9e47 185
mbed_official 0:f4db29eb9e47 186 olddphysts.phy_link_active = physts.phy_link_active;
mbed_official 0:f4db29eb9e47 187 }
mbed_official 0:f4db29eb9e47 188
mbed_official 0:f4db29eb9e47 189 return changed;
mbed_official 0:f4db29eb9e47 190 }
mbed_official 0:f4db29eb9e47 191
mbed_official 0:f4db29eb9e47 192 /** \brief Initialize the DP83848 PHY.
mbed_official 0:f4db29eb9e47 193 *
mbed_official 0:f4db29eb9e47 194 * This function initializes the DP83848 PHY. It will block until
mbed_official 0:f4db29eb9e47 195 * complete. This function is called as part of the EMAC driver
mbed_official 0:f4db29eb9e47 196 * initialization. Configuration of the PHY at startup is
mbed_official 0:f4db29eb9e47 197 * controlled by setting up configuration defines in lpc_phy.h.
mbed_official 0:f4db29eb9e47 198 *
mbed_official 0:f4db29eb9e47 199 * \param[in] netif NETIF structure
emilmont 1:0c9d93e2f51c 200 * \param[in] rmii If set, configures the PHY for RMII mode
mbed_official 0:f4db29eb9e47 201 * \return ERR_OK if the setup was successful, otherwise ERR_TIMEOUT
mbed_official 0:f4db29eb9e47 202 */
mbed_official 0:f4db29eb9e47 203 err_t lpc_phy_init(struct netif *netif, int rmii)
mbed_official 0:f4db29eb9e47 204 {
mbed_official 0:f4db29eb9e47 205 u32_t tmp;
mbed_official 0:f4db29eb9e47 206 s32_t i;
mbed_official 0:f4db29eb9e47 207
mbed_official 0:f4db29eb9e47 208 physts.phy_speed_100mbs = olddphysts.phy_speed_100mbs = 2;
mbed_official 0:f4db29eb9e47 209 physts.phy_full_duplex = olddphysts.phy_full_duplex = 2;
mbed_official 0:f4db29eb9e47 210 physts.phy_link_active = olddphysts.phy_link_active = 2;
mbed_official 0:f4db29eb9e47 211 phyustate = 0;
mbed_official 0:f4db29eb9e47 212
mbed_official 0:f4db29eb9e47 213 /* Only first read and write are checked for failure */
emilmont 1:0c9d93e2f51c 214 /* Put the DP83848C in reset mode and wait for completion */
mbed_official 0:f4db29eb9e47 215 if (lpc_mii_write(DP8_BMCR_REG, DP8_RESET) != 0)
emilmont 1:0c9d93e2f51c 216 return ERR_TIMEOUT;
mbed_official 0:f4db29eb9e47 217 i = 400;
mbed_official 0:f4db29eb9e47 218 while (i > 0) {
emilmont 1:0c9d93e2f51c 219 osDelay(1); /* 1 ms */
mbed_official 0:f4db29eb9e47 220 if (lpc_mii_read(DP8_BMCR_REG, &tmp) != 0)
mbed_official 0:f4db29eb9e47 221 return ERR_TIMEOUT;
emilmont 1:0c9d93e2f51c 222
emilmont 1:0c9d93e2f51c 223 if (!(tmp & (DP8_RESET | DP8_POWER_DOWN)))
mbed_official 0:f4db29eb9e47 224 i = -1;
mbed_official 0:f4db29eb9e47 225 else
emilmont 1:0c9d93e2f51c 226 i--;
mbed_official 0:f4db29eb9e47 227 }
mbed_official 0:f4db29eb9e47 228 /* Timeout? */
mbed_official 0:f4db29eb9e47 229 if (i == 0)
mbed_official 0:f4db29eb9e47 230 return ERR_TIMEOUT;
mbed_official 0:f4db29eb9e47 231
mbed_official 0:f4db29eb9e47 232 /* Setup link based on configuration options */
mbed_official 0:f4db29eb9e47 233 #if PHY_USE_AUTONEG==1
mbed_official 0:f4db29eb9e47 234 tmp = DP8_AUTONEG;
mbed_official 0:f4db29eb9e47 235 #else
mbed_official 0:f4db29eb9e47 236 tmp = 0;
mbed_official 0:f4db29eb9e47 237 #endif
mbed_official 0:f4db29eb9e47 238 #if PHY_USE_100MBS==1
mbed_official 0:f4db29eb9e47 239 tmp |= DP8_SPEED_SELECT;
mbed_official 0:f4db29eb9e47 240 #endif
mbed_official 0:f4db29eb9e47 241 #if PHY_USE_FULL_DUPLEX==1
mbed_official 0:f4db29eb9e47 242 tmp |= DP8_DUPLEX_MODE;
mbed_official 0:f4db29eb9e47 243 #endif
mbed_official 0:f4db29eb9e47 244
mbed_official 0:f4db29eb9e47 245 lpc_mii_write(DP8_BMCR_REG, tmp);
mbed_official 0:f4db29eb9e47 246
mbed_official 0:f4db29eb9e47 247 /* Enable RMII mode for PHY */
mbed_official 0:f4db29eb9e47 248 if (rmii)
mbed_official 0:f4db29eb9e47 249 lpc_mii_write(DP8_PHY_RBR_REG, DP8_RBR_RMII_MODE);
mbed_official 0:f4db29eb9e47 250
mbed_official 0:f4db29eb9e47 251 /* The link is not set active at this point, but will be detected
mbed_official 0:f4db29eb9e47 252 later */
mbed_official 0:f4db29eb9e47 253
mbed_official 0:f4db29eb9e47 254 return ERR_OK;
mbed_official 0:f4db29eb9e47 255 }
mbed_official 0:f4db29eb9e47 256
mbed_official 0:f4db29eb9e47 257 /* Phy status update state machine */
mbed_official 0:f4db29eb9e47 258 s32_t lpc_phy_sts_sm(struct netif *netif)
mbed_official 0:f4db29eb9e47 259 {
mbed_official 0:f4db29eb9e47 260 s32_t changed = 0;
mbed_official 0:f4db29eb9e47 261
mbed_official 0:f4db29eb9e47 262 switch (phyustate) {
mbed_official 0:f4db29eb9e47 263 default:
mbed_official 0:f4db29eb9e47 264 case 0:
mbed_official 0:f4db29eb9e47 265 /* Read BMSR to clear faults */
mbed_official 0:f4db29eb9e47 266 lpc_mii_read_noblock(DP8_PHY_STAT_REG);
mbed_official 0:f4db29eb9e47 267 phyustate = 1;
mbed_official 0:f4db29eb9e47 268 break;
mbed_official 0:f4db29eb9e47 269
mbed_official 0:f4db29eb9e47 270 case 1:
mbed_official 0:f4db29eb9e47 271 /* Wait for read status state */
mbed_official 0:f4db29eb9e47 272 if (!lpc_mii_is_busy()) {
mbed_official 0:f4db29eb9e47 273 /* Update PHY status */
mbed_official 0:f4db29eb9e47 274 changed = lpc_update_phy_sts(netif, lpc_mii_read_data());
mbed_official 0:f4db29eb9e47 275 phyustate = 0;
mbed_official 0:f4db29eb9e47 276 }
mbed_official 0:f4db29eb9e47 277 break;
mbed_official 0:f4db29eb9e47 278 }
mbed_official 0:f4db29eb9e47 279
mbed_official 0:f4db29eb9e47 280 return changed;
mbed_official 0:f4db29eb9e47 281 }
mbed_official 0:f4db29eb9e47 282
emilmont 1:0c9d93e2f51c 283 /**
emilmont 1:0c9d93e2f51c 284 * @}
mbed_official 0:f4db29eb9e47 285 */
mbed_official 0:f4db29eb9e47 286
mbed_official 0:f4db29eb9e47 287 /* --------------------------------- End Of File ------------------------------ */