LPC2300 Ethernet MAC driver. More...

#include "lpc23xx.h"
#include "core/net.h"
#include "drivers/mac/lpc23xx_eth_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

Functions
error_t	lpc23xxEthInit (NetInterface *interface)
	LPC23xx Ethernet MAC initialization. More...

__weak_func void	lpc23xxEthInitGpio (NetInterface *interface)
	GPIO configuration. More...

void	lpc23xxEthInitDesc (NetInterface *interface)
	Initialize TX and RX descriptors. More...

void	lpc23xxEthTick (NetInterface *interface)
	LPC23xx Ethernet MAC timer handler. More...

void	lpc23xxEthEnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	lpc23xxEthDisableIrq (NetInterface *interface)
	Disable interrupts. More...

__irq void	lpc23xxEthIrqHandler (void)
	LPC23xx Ethernet MAC interrupt service routine. More...

void	lpc23xxEthEventHandler (NetInterface *interface)
	LPC23xx Ethernet MAC event handler. More...

error_t	lpc23xxEthSendPacket (NetInterface interface, const NetBuffer buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...

error_t	lpc23xxEthReceivePacket (NetInterface *interface)
	Receive a packet. More...

error_t	lpc23xxEthUpdateMacAddrFilter (NetInterface *interface)
	Configure MAC address filtering. More...

error_t	lpc23xxEthUpdateMacConfig (NetInterface *interface)
	Adjust MAC configuration parameters for proper operation. More...

void	lpc23xxEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
	Write PHY register. More...

uint16_t	lpc23xxEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
	Read PHY register. More...

uint32_t	lpc23xxEthCalcCrc (const void *data, size_t length)
	CRC calculation. More...

Variables
const NicDriver	lpc23xxEthDriver
	LPC23xx Ethernet MAC driver. More...

Detailed Description

LPC2300 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: 2.4.4

Definition in file lpc23xx_eth_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file lpc23xx_eth_driver.c.

Function Documentation

◆ lpc23xxEthCalcCrc()

uint32_t lpc23xxEthCalcCrc	(	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 803 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthDisableIrq()

void lpc23xxEthDisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 361 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthEnableIrq()

void lpc23xxEthEnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 333 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthEventHandler()

void lpc23xxEthEventHandler ( NetInterface * interface )

LPC23xx Ethernet MAC event handler.

Parameters

[in] interface Underlying network interface

Definition at line 448 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthInit()

error_t lpc23xxEthInit ( NetInterface * interface )

LPC23xx Ethernet MAC initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 121 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthInitDesc()

void lpc23xxEthInitDesc ( NetInterface * interface )

Initialize TX and RX descriptors.

Parameters

[in] interface Underlying network interface

Definition at line 257 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthInitGpio()

__weak_func void lpc23xxEthInitGpio ( NetInterface * interface )

GPIO configuration.

Parameters

[in] interface Underlying network interface

Definition at line 231 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthIrqHandler()

__irq void lpc23xxEthIrqHandler ( void )

LPC23xx Ethernet MAC interrupt service routine.

Definition at line 388 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthReadPhyReg()

uint16_t lpc23xxEthReadPhyReg	(	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 759 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthReceivePacket()

error_t lpc23xxEthReceivePacket ( NetInterface * interface )

Receive a packet.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 569 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthSendPacket()

error_t lpc23xxEthSendPacket	(	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 483 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthTick()

void lpc23xxEthTick ( NetInterface * interface )

LPC23xx 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 308 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthUpdateMacAddrFilter()

error_t lpc23xxEthUpdateMacAddrFilter ( NetInterface * interface )

Configure MAC address filtering.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 622 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthUpdateMacConfig()

error_t lpc23xxEthUpdateMacConfig ( NetInterface * interface )

Adjust MAC configuration parameters for proper operation.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 680 of file lpc23xx_eth_driver.c.

◆ lpc23xxEthWritePhyReg()

void lpc23xxEthWritePhyReg	(	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 723 of file lpc23xx_eth_driver.c.

Variable Documentation

◆ lpc23xxEthDriver

const NicDriver lpc23xxEthDriver

Initial value:

=
{
   NIC_TYPE_ETHERNET,
   ETH_MTU,
   lpc23xxEthInit,
   lpc23xxEthTick,
   lpc23xxEthEnableIrq,
   lpc23xxEthDisableIrq,
   lpc23xxEthEventHandler,
   lpc23xxEthSendPacket,
   lpc23xxEthUpdateMacAddrFilter,
   lpc23xxEthUpdateMacConfig,
   lpc23xxEthWritePhyReg,
   lpc23xxEthReadPhyReg,
   TRUE,
   TRUE,
   TRUE,
   FALSE
}

LPC23xx Ethernet MAC driver.

Definition at line 94 of file lpc23xx_eth_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ lpc23xxEthCalcCrc()

◆ lpc23xxEthDisableIrq()

◆ lpc23xxEthEnableIrq()

◆ lpc23xxEthEventHandler()

◆ lpc23xxEthInit()

◆ lpc23xxEthInitDesc()

◆ lpc23xxEthInitGpio()

◆ lpc23xxEthIrqHandler()

◆ lpc23xxEthReadPhyReg()

◆ lpc23xxEthReceivePacket()

◆ lpc23xxEthSendPacket()

◆ lpc23xxEthTick()

◆ lpc23xxEthUpdateMacAddrFilter()

◆ lpc23xxEthUpdateMacConfig()

◆ lpc23xxEthWritePhyReg()

Variable Documentation

◆ lpc23xxEthDriver