lan8840_driver.c File Reference

LAN8840 Gigabit Ethernet PHY driver. More...

#include "core/net.h"
#include "drivers/phy/lan8840_driver.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   NIC_TRACE_LEVEL

Functions
error_t	lan8840Init (NetInterface *interface)
	LAN8840 PHY transceiver initialization. More...
__weak_func void	lan8840InitHook (NetInterface *interface)
	LAN8840 custom configuration. More...
void	lan8840Tick (NetInterface *interface)
	LAN8840 timer handler. More...
void	lan8840EnableIrq (NetInterface *interface)
	Enable interrupts. More...
void	lan8840DisableIrq (NetInterface *interface)
	Disable interrupts. More...
void	lan8840EventHandler (NetInterface *interface)
	LAN8840 event handler. More...
void	lan8840WritePhyReg (NetInterface *interface, uint8_t address, uint16_t data)
	Write PHY register. More...
uint16_t	lan8840ReadPhyReg (NetInterface *interface, uint8_t address)
	Read PHY register. More...
void	lan8840DumpPhyReg (NetInterface *interface)
	Dump PHY registers for debugging purpose. More...
void	lan8840WriteMmdReg (NetInterface *interface, uint8_t devAddr, uint16_t regAddr, uint16_t data)
	Write MMD register. More...
uint16_t	lan8840ReadMmdReg (NetInterface *interface, uint8_t devAddr, uint16_t regAddr)
	Read MMD register. More...

Variables
const PhyDriver	lan8840PhyDriver
	LAN8840 Ethernet PHY driver. More...

Detailed Description

LAN8840 Gigabit Ethernet PHY driver.

License

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

Copyright (C) 2010-2026 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

2.6.0

Definition in file lan8840_driver.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   NIC_TRACE_LEVEL

Definition at line 32 of file lan8840_driver.c.

Function Documentation

lan8840DisableIrq()

void lan8840DisableIrq

(

NetInterface *

interface

)

Disable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 183 of file lan8840_driver.c.

lan8840DumpPhyReg()

void lan8840DumpPhyReg

(

NetInterface *

interface

)

Dump PHY registers for debugging purpose.

Parameters

[in]

interface

Underlying network interface

Definition at line 326 of file lan8840_driver.c.

lan8840EnableIrq()

void lan8840EnableIrq

(

NetInterface *

interface

)

Enable interrupts.

Parameters

[in]

interface

Underlying network interface

Definition at line 168 of file lan8840_driver.c.

lan8840EventHandler()

void lan8840EventHandler

(

NetInterface *

interface

)

LAN8840 event handler.

Parameters

[in]

interface

Underlying network interface

Definition at line 198 of file lan8840_driver.c.

lan8840Init()

error_t lan8840Init

(

NetInterface *

interface

)

LAN8840 PHY transceiver initialization.

Parameters

[in]

interface

Underlying network interface

Returns

Error code

Definition at line 60 of file lan8840_driver.c.

lan8840InitHook()

__weak_func void lan8840InitHook

(

NetInterface *

interface

)

LAN8840 custom configuration.

Parameters

[in]

interface

Underlying network interface

Definition at line 113 of file lan8840_driver.c.

lan8840ReadMmdReg()

uint16_t lan8840ReadMmdReg	(	NetInterface *	interface,
		uint8_t	devAddr,
		uint16_t	regAddr
	)

Read MMD register.

Parameters

[in]	interface	Underlying network interface
[in]	devAddr	Device address
[in]	regAddr	Register address

Returns

MMD register value

Definition at line 378 of file lan8840_driver.c.

lan8840ReadPhyReg()

uint16_t lan8840ReadPhyReg	(	NetInterface *	interface,
		uint8_t	address
	)

Read PHY register.

Parameters

[in]	interface	Underlying network interface
[in]	address	PHY register address

Returns

Register value

Definition at line 300 of file lan8840_driver.c.

lan8840Tick()

void lan8840Tick

(

NetInterface *

interface

)

LAN8840 timer handler.

Parameters

[in]

interface

Underlying network interface

Definition at line 130 of file lan8840_driver.c.

lan8840WriteMmdReg()

void lan8840WriteMmdReg	(	NetInterface *	interface,
		uint8_t	devAddr,
		uint16_t	regAddr,
		uint16_t	data
	)

Write MMD register.

Parameters

[in]	interface	Underlying network interface
[in]	devAddr	Device address
[in]	regAddr	Register address
[in]	data	MMD register value

Definition at line 351 of file lan8840_driver.c.

lan8840WritePhyReg()

void lan8840WritePhyReg	(	NetInterface *	interface,
		uint8_t	address,
		uint16_t	data
	)

Write PHY register.

Parameters

[in]	interface	Underlying network interface
[in]	address	PHY register address
[in]	data	Register value

Definition at line 276 of file lan8840_driver.c.

Variable Documentation

lan8840PhyDriver

const PhyDriver lan8840PhyDriver

Initial value:

=
{
   lan8840Init,
   lan8840Tick,
   lan8840EnableIrq,
   lan8840DisableIrq,
   lan8840EventHandler
}

LAN8840 Ethernet PHY driver.

Definition at line 44 of file lan8840_driver.c.