LPC1758 Ethernet MAC driver. More...

#include "lpc17xx.h"
#include "core/net.h"
#include "drivers/mac/lpc175x_eth_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

Functions
error_t	lpc175xEthInit (NetInterface *interface)
	LPC175x Ethernet MAC initialization. More...

__weak_func void	lpc175xEthInitGpio (NetInterface *interface)
	GPIO configuration. More...

void	lpc175xEthInitDesc (NetInterface *interface)
	Initialize TX and RX descriptors. More...

void	lpc175xEthTick (NetInterface *interface)
	LPC175x Ethernet MAC timer handler. More...

void	lpc175xEthEnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	lpc175xEthDisableIrq (NetInterface *interface)
	Disable interrupts. More...

void	ENET_IRQHandler (void)
	LPC175x Ethernet MAC interrupt service routine. More...

void	lpc175xEthEventHandler (NetInterface *interface)
	LPC175x Ethernet MAC event handler. More...

error_t	lpc175xEthSendPacket (NetInterface interface, const NetBuffer buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...

error_t	lpc175xEthReceivePacket (NetInterface *interface)
	Receive a packet. More...

error_t	lpc175xEthUpdateMacAddrFilter (NetInterface *interface)
	Configure MAC address filtering. More...

error_t	lpc175xEthUpdateMacConfig (NetInterface *interface)
	Adjust MAC configuration parameters for proper operation. More...

void	lpc175xEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
	Write PHY register. More...

uint16_t	lpc175xEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
	Read PHY register. More...

void	lpc175xEthWriteSmi (uint32_t data, uint_t length)
	SMI write operation. More...

uint32_t	lpc175xEthReadSmi (uint_t length)
	SMI read operation. More...

uint32_t	lpc175xEthCalcCrc (const void *data, size_t length)
	CRC calculation. More...

Variables
const NicDriver	lpc175xEthDriver
	LPC175x Ethernet MAC driver. More...

Detailed Description

LPC1758 Ethernet MAC driver.

License

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

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: 2.4.0

Definition in file lpc175x_eth_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file lpc175x_eth_driver.c.

Function Documentation

◆ ENET_IRQHandler()

void ENET_IRQHandler ( void )

LPC175x Ethernet MAC interrupt service routine.

Definition at line 387 of file lpc175x_eth_driver.c.

◆ lpc175xEthCalcCrc()

uint32_t lpc175xEthCalcCrc	(	const void *	data,
		size_t	length
	)

CRC calculation.

Parameters

[in]	data	Pointer to the data over which to calculate the CRC
[in]	length	Number of bytes to process

Returns: Resulting CRC value

Definition at line 864 of file lpc175x_eth_driver.c.

◆ lpc175xEthDisableIrq()

void lpc175xEthDisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 360 of file lpc175x_eth_driver.c.

◆ lpc175xEthEnableIrq()

void lpc175xEthEnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 332 of file lpc175x_eth_driver.c.

◆ lpc175xEthEventHandler()

void lpc175xEthEventHandler ( NetInterface * interface )

LPC175x Ethernet MAC event handler.

Parameters

[in] interface Underlying network interface

Definition at line 447 of file lpc175x_eth_driver.c.

◆ lpc175xEthInit()

error_t lpc175xEthInit ( NetInterface * interface )

LPC175x Ethernet MAC initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 121 of file lpc175x_eth_driver.c.

◆ lpc175xEthInitDesc()

void lpc175xEthInitDesc ( NetInterface * interface )

Initialize TX and RX descriptors.

Parameters

[in] interface Underlying network interface

Definition at line 256 of file lpc175x_eth_driver.c.

◆ lpc175xEthInitGpio()

__weak_func void lpc175xEthInitGpio ( NetInterface * interface )

GPIO configuration.

Parameters

[in] interface Underlying network interface

Definition at line 225 of file lpc175x_eth_driver.c.

◆ lpc175xEthReadPhyReg()

uint16_t lpc175xEthReadPhyReg	(	uint8_t	opcode,
		uint8_t	phyAddr,
		uint8_t	regAddr
	)

Read PHY register.

Parameters

[in]	opcode	Access type (2 bits)
[in]	phyAddr	PHY address (5 bits)
[in]	regAddr	Register address (5 bits)

Returns: Register value

Definition at line 752 of file lpc175x_eth_driver.c.

◆ lpc175xEthReadSmi()

uint32_t lpc175xEthReadSmi ( uint_t length )

SMI read operation.

Parameters

[in] length Number of bits to be read

Returns: Data resulting from the MDIO read operation

Definition at line 825 of file lpc175x_eth_driver.c.

◆ lpc175xEthReceivePacket()

error_t lpc175xEthReceivePacket ( NetInterface * interface )

Receive a packet.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 568 of file lpc175x_eth_driver.c.

◆ lpc175xEthSendPacket()

error_t lpc175xEthSendPacket	(	NetInterface *	interface,
		const NetBuffer *	buffer,
		size_t	offset,
		NetTxAncillary *	ancillary
	)

Send a packet.

Parameters

[in]	interface	Underlying network interface
[in]	buffer	Multi-part buffer containing the data to send
[in]	offset	Offset to the first data byte
[in]	ancillary	Additional options passed to the stack along with the packet

Returns: Error code

Definition at line 482 of file lpc175x_eth_driver.c.

◆ lpc175xEthTick()

void lpc175xEthTick ( NetInterface * interface )

LPC175x 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] interface Underlying network interface

Definition at line 307 of file lpc175x_eth_driver.c.

◆ lpc175xEthUpdateMacAddrFilter()

error_t lpc175xEthUpdateMacAddrFilter ( NetInterface * interface )

Configure MAC address filtering.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 621 of file lpc175x_eth_driver.c.

◆ lpc175xEthUpdateMacConfig()

error_t lpc175xEthUpdateMacConfig ( NetInterface * interface )

Adjust MAC configuration parameters for proper operation.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 679 of file lpc175x_eth_driver.c.

◆ lpc175xEthWritePhyReg()

void lpc175xEthWritePhyReg	(	uint8_t	opcode,
		uint8_t	phyAddr,
		uint8_t	regAddr,
		uint16_t	data
	)

Write PHY register.

Parameters

[in]	opcode	Access type (2 bits)
[in]	phyAddr	PHY address (5 bits)
[in]	regAddr	Register address (5 bits)
[in]	data	Register value

Definition at line 722 of file lpc175x_eth_driver.c.

◆ lpc175xEthWriteSmi()

void lpc175xEthWriteSmi	(	uint32_t	data,
		uint_t	length
	)

SMI write operation.

Parameters

[in]	data	Raw data to be written
[in]	length	Number of bits to be written

Definition at line 785 of file lpc175x_eth_driver.c.

Variable Documentation

◆ lpc175xEthDriver

const NicDriver lpc175xEthDriver

Initial value:

=
{
   NIC_TYPE_ETHERNET,
   ETH_MTU,
   lpc175xEthInit,
   lpc175xEthTick,
   lpc175xEthEnableIrq,
   lpc175xEthDisableIrq,
   lpc175xEthEventHandler,
   lpc175xEthSendPacket,
   lpc175xEthUpdateMacAddrFilter,
   lpc175xEthUpdateMacConfig,
   lpc175xEthWritePhyReg,
   lpc175xEthReadPhyReg,
   TRUE,
   TRUE,
   TRUE,
   FALSE
}

LPC175x Ethernet MAC driver.

Definition at line 94 of file lpc175x_eth_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ ENET_IRQHandler()

◆ lpc175xEthCalcCrc()

◆ lpc175xEthDisableIrq()

◆ lpc175xEthEnableIrq()

◆ lpc175xEthEventHandler()

◆ lpc175xEthInit()

◆ lpc175xEthInitDesc()

◆ lpc175xEthInitGpio()

◆ lpc175xEthReadPhyReg()

◆ lpc175xEthReadSmi()

◆ lpc175xEthReceivePacket()

◆ lpc175xEthSendPacket()

◆ lpc175xEthTick()

◆ lpc175xEthUpdateMacAddrFilter()

◆ lpc175xEthUpdateMacConfig()

◆ lpc175xEthWritePhyReg()

◆ lpc175xEthWriteSmi()

Variable Documentation

◆ lpc175xEthDriver