Macros | Functions | Variables
lpc176x_eth_driver.c File Reference

LPC1764/66/67/68/69 Ethernet MAC driver. More...

#include "lpc17xx.h"
#include "core/net.h"
#include "drivers/mac/lpc176x_eth_driver.h"
#include "debug.h"

Go to the source code of this file.

Macros

#define TRACE_LEVEL   NIC_TRACE_LEVEL
 

Functions

error_t lpc176xEthInit (NetInterface *interface)
 LPC176x Ethernet MAC initialization. More...
 
__weak_func void lpc176xEthInitGpio (NetInterface *interface)
 GPIO configuration. More...
 
void lpc176xEthInitDesc (NetInterface *interface)
 Initialize TX and RX descriptors. More...
 
void lpc176xEthTick (NetInterface *interface)
 LPC176x Ethernet MAC timer handler. More...
 
void lpc176xEthEnableIrq (NetInterface *interface)
 Enable interrupts. More...
 
void lpc176xEthDisableIrq (NetInterface *interface)
 Disable interrupts. More...
 
void ENET_IRQHandler (void)
 LPC176x Ethernet MAC interrupt service routine. More...
 
void lpc176xEthEventHandler (NetInterface *interface)
 LPC176x Ethernet MAC event handler. More...
 
error_t lpc176xEthSendPacket (NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
 Send a packet. More...
 
error_t lpc176xEthReceivePacket (NetInterface *interface)
 Receive a packet. More...
 
error_t lpc176xEthUpdateMacAddrFilter (NetInterface *interface)
 Configure MAC address filtering. More...
 
error_t lpc176xEthUpdateMacConfig (NetInterface *interface)
 Adjust MAC configuration parameters for proper operation. More...
 
void lpc176xEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
 Write PHY register. More...
 
uint16_t lpc176xEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
 Read PHY register. More...
 
uint32_t lpc176xEthCalcCrc (const void *data, size_t length)
 CRC calculation. More...
 

Variables

const NicDriver lpc176xEthDriver
 LPC176x Ethernet MAC driver. More...
 

Detailed Description

LPC1764/66/67/68/69 Ethernet MAC driver.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneTCP Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
2.5.4

Definition in file lpc176x_eth_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL   NIC_TRACE_LEVEL

Definition at line 32 of file lpc176x_eth_driver.c.

Function Documentation

◆ ENET_IRQHandler()

void ENET_IRQHandler ( void  )

LPC176x Ethernet MAC interrupt service routine.

Definition at line 388 of file lpc176x_eth_driver.c.

◆ lpc176xEthCalcCrc()

uint32_t lpc176xEthCalcCrc ( const void *  data,
size_t  length 
)

CRC calculation.

Parameters
[in]dataPointer to the data over which to calculate the CRC
[in]lengthNumber of bytes to process
Returns
Resulting CRC value

Definition at line 803 of file lpc176x_eth_driver.c.

◆ lpc176xEthDisableIrq()

void lpc176xEthDisableIrq ( NetInterface *  interface)

Disable interrupts.

Parameters
[in]interfaceUnderlying network interface

Definition at line 361 of file lpc176x_eth_driver.c.

◆ lpc176xEthEnableIrq()

void lpc176xEthEnableIrq ( NetInterface *  interface)

Enable interrupts.

Parameters
[in]interfaceUnderlying network interface

Definition at line 333 of file lpc176x_eth_driver.c.

◆ lpc176xEthEventHandler()

void lpc176xEthEventHandler ( NetInterface *  interface)

LPC176x Ethernet MAC event handler.

Parameters
[in]interfaceUnderlying network interface

Definition at line 448 of file lpc176x_eth_driver.c.

◆ lpc176xEthInit()

error_t lpc176xEthInit ( NetInterface *  interface)

LPC176x Ethernet MAC initialization.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 121 of file lpc176x_eth_driver.c.

◆ lpc176xEthInitDesc()

void lpc176xEthInitDesc ( NetInterface *  interface)

Initialize TX and RX descriptors.

Parameters
[in]interfaceUnderlying network interface

Definition at line 257 of file lpc176x_eth_driver.c.

◆ lpc176xEthInitGpio()

__weak_func void lpc176xEthInitGpio ( NetInterface *  interface)

GPIO configuration.

Parameters
[in]interfaceUnderlying network interface

Definition at line 231 of file lpc176x_eth_driver.c.

◆ lpc176xEthReadPhyReg()

uint16_t lpc176xEthReadPhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr 
)

Read PHY register.

Parameters
[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
Returns
Register value

Definition at line 759 of file lpc176x_eth_driver.c.

◆ lpc176xEthReceivePacket()

error_t lpc176xEthReceivePacket ( NetInterface *  interface)

Receive a packet.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 569 of file lpc176x_eth_driver.c.

◆ lpc176xEthSendPacket()

error_t lpc176xEthSendPacket ( NetInterface *  interface,
const NetBuffer *  buffer,
size_t  offset,
NetTxAncillary *  ancillary 
)

Send a packet.

Parameters
[in]interfaceUnderlying network interface
[in]bufferMulti-part buffer containing the data to send
[in]offsetOffset to the first data byte
[in]ancillaryAdditional options passed to the stack along with the packet
Returns
Error code

Definition at line 483 of file lpc176x_eth_driver.c.

◆ lpc176xEthTick()

void lpc176xEthTick ( NetInterface *  interface)

LPC176x Ethernet MAC timer handler.

This routine is periodically called by the TCP/IP stack to handle periodic operations such as polling the link state

Parameters
[in]interfaceUnderlying network interface

Definition at line 308 of file lpc176x_eth_driver.c.

◆ lpc176xEthUpdateMacAddrFilter()

error_t lpc176xEthUpdateMacAddrFilter ( NetInterface *  interface)

Configure MAC address filtering.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 622 of file lpc176x_eth_driver.c.

◆ lpc176xEthUpdateMacConfig()

error_t lpc176xEthUpdateMacConfig ( NetInterface *  interface)

Adjust MAC configuration parameters for proper operation.

Parameters
[in]interfaceUnderlying network interface
Returns
Error code

Definition at line 680 of file lpc176x_eth_driver.c.

◆ lpc176xEthWritePhyReg()

void lpc176xEthWritePhyReg ( uint8_t  opcode,
uint8_t  phyAddr,
uint8_t  regAddr,
uint16_t  data 
)

Write PHY register.

Parameters
[in]opcodeAccess type (2 bits)
[in]phyAddrPHY address (5 bits)
[in]regAddrRegister address (5 bits)
[in]dataRegister value

Definition at line 723 of file lpc176x_eth_driver.c.

Variable Documentation

◆ lpc176xEthDriver

const NicDriver lpc176xEthDriver
Initial value:
=
{
NIC_TYPE_ETHERNET,
ETH_MTU,
lpc176xEthInit,
lpc176xEthTick,
lpc176xEthEnableIrq,
lpc176xEthDisableIrq,
lpc176xEthEventHandler,
lpc176xEthSendPacket,
lpc176xEthUpdateMacAddrFilter,
lpc176xEthUpdateMacConfig,
lpc176xEthWritePhyReg,
lpc176xEthReadPhyReg,
TRUE,
TRUE,
TRUE,
FALSE
}

LPC176x Ethernet MAC driver.

Definition at line 94 of file lpc176x_eth_driver.c.

lpc176xEthWritePhyReg
void lpc176xEthWritePhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
Write PHY register.
Definition: lpc176x_eth_driver.c:723
lpc176xEthUpdateMacConfig
error_t lpc176xEthUpdateMacConfig(NetInterface *interface)
Adjust MAC configuration parameters for proper operation.
Definition: lpc176x_eth_driver.c:680
TRUE
#define TRUE
Definition: os_port.h:50
FALSE
#define FALSE
Definition: os_port.h:46
lpc176xEthTick
void lpc176xEthTick(NetInterface *interface)
LPC176x Ethernet MAC timer handler.
Definition: lpc176x_eth_driver.c:308
lpc176xEthInit
error_t lpc176xEthInit(NetInterface *interface)
LPC176x Ethernet MAC initialization.
Definition: lpc176x_eth_driver.c:121
lpc176xEthDisableIrq
void lpc176xEthDisableIrq(NetInterface *interface)
Disable interrupts.
Definition: lpc176x_eth_driver.c:361
lpc176xEthSendPacket
error_t lpc176xEthSendPacket(NetInterface *interface, const NetBuffer *buffer, size_t offset, NetTxAncillary *ancillary)
Send a packet.
Definition: lpc176x_eth_driver.c:483
lpc176xEthReadPhyReg
uint16_t lpc176xEthReadPhyReg(uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
Read PHY register.
Definition: lpc176x_eth_driver.c:759
ETH_MTU
#define ETH_MTU
Definition: ethernet.h:116
lpc176xEthUpdateMacAddrFilter
error_t lpc176xEthUpdateMacAddrFilter(NetInterface *interface)
Configure MAC address filtering.
Definition: lpc176x_eth_driver.c:622
lpc176xEthEnableIrq
void lpc176xEthEnableIrq(NetInterface *interface)
Enable interrupts.
Definition: lpc176x_eth_driver.c:333
lpc176xEthEventHandler
void lpc176xEthEventHandler(NetInterface *interface)
LPC176x Ethernet MAC event handler.
Definition: lpc176x_eth_driver.c:448
NIC_TYPE_ETHERNET
@ NIC_TYPE_ETHERNET
Ethernet interface.
Definition: nic.h:83