STM32H7 Ethernet MAC driver. More...

#include "stm32h7xx.h"
#include "stm32h7xx_hal.h"
#include "core/net.h"
#include "drivers/mac/stm32h7xx_eth_driver.h"
#include "debug.h"

Macros
#define	TRACE_LEVEL NIC_TRACE_LEVEL

Functions
error_t	stm32h7xxEthInit (NetInterface *interface)
	STM32H7 Ethernet MAC initialization. More...

__weak_func void	stm32h7xxEthInitGpio (NetInterface *interface)
	GPIO configuration. More...

void	stm32h7xxEthInitDmaDesc (NetInterface *interface)
	Initialize DMA descriptor lists. More...

void	stm32h7xxEthTick (NetInterface *interface)
	STM32H7 Ethernet MAC timer handler. More...

void	stm32h7xxEthEnableIrq (NetInterface *interface)
	Enable interrupts. More...

void	stm32h7xxEthDisableIrq (NetInterface *interface)
	Disable interrupts. More...

void	ETH_IRQHandler (void)
	STM32H7 Ethernet MAC interrupt service routine. More...

void	stm32h7xxEthEventHandler (NetInterface *interface)
	STM32H7 Ethernet MAC event handler. More...

error_t	stm32h7xxEthSendPacket (NetInterface interface, const NetBuffer buffer, size_t offset, NetTxAncillary *ancillary)
	Send a packet. More...

error_t	stm32h7xxEthReceivePacket (NetInterface *interface)
	Receive a packet. More...

error_t	stm32h7xxEthUpdateMacAddrFilter (NetInterface *interface)
	Configure MAC address filtering. More...

error_t	stm32h7xxEthUpdateMacConfig (NetInterface *interface)
	Adjust MAC configuration parameters for proper operation. More...

void	stm32h7xxEthWritePhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr, uint16_t data)
	Write PHY register. More...

uint16_t	stm32h7xxEthReadPhyReg (uint8_t opcode, uint8_t phyAddr, uint8_t regAddr)
	Read PHY register. More...

uint32_t	stm32h7xxEthCalcCrc (const void *data, size_t length)
	CRC calculation. More...

Variables
const NicDriver	stm32h7xxEthDriver
	STM32H7 Ethernet MAC driver. More...

Detailed Description

STM32H7 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 stm32h7xx_eth_driver.c.

Macro Definition Documentation

◆ TRACE_LEVEL

#define TRACE_LEVEL NIC_TRACE_LEVEL

Definition at line 32 of file stm32h7xx_eth_driver.c.

Function Documentation

◆ ETH_IRQHandler()

void ETH_IRQHandler ( void )

STM32H7 Ethernet MAC interrupt service routine.

Definition at line 556 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthCalcCrc()

uint32_t stm32h7xxEthCalcCrc	(	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 1060 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthDisableIrq()

void stm32h7xxEthDisableIrq ( NetInterface * interface )

Disable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 529 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthEnableIrq()

void stm32h7xxEthEnableIrq ( NetInterface * interface )

Enable interrupts.

Parameters

[in] interface Underlying network interface

Definition at line 501 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthEventHandler()

void stm32h7xxEthEventHandler ( NetInterface * interface )

STM32H7 Ethernet MAC event handler.

Parameters

[in] interface Underlying network interface

Definition at line 609 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthInit()

error_t stm32h7xxEthInit ( NetInterface * interface )

STM32H7 Ethernet MAC initialization.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 119 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthInitDmaDesc()

void stm32h7xxEthInitDmaDesc ( NetInterface * interface )

Initialize DMA descriptor lists.

Parameters

[in] interface Underlying network interface

Definition at line 425 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthInitGpio()

__weak_func void stm32h7xxEthInitGpio ( NetInterface * interface )

GPIO configuration.

Parameters

[in] interface Underlying network interface

Definition at line 252 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthReadPhyReg()

uint16_t stm32h7xxEthReadPhyReg	(	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 1014 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthReceivePacket()

error_t stm32h7xxEthReceivePacket ( NetInterface * interface )

Receive a packet.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 699 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthSendPacket()

error_t stm32h7xxEthSendPacket	(	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 634 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthTick()

void stm32h7xxEthTick ( NetInterface * interface )

STM32H7 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 476 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthUpdateMacAddrFilter()

error_t stm32h7xxEthUpdateMacAddrFilter ( NetInterface * interface )

Configure MAC address filtering.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 785 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthUpdateMacConfig()

error_t stm32h7xxEthUpdateMacConfig ( NetInterface * interface )

Adjust MAC configuration parameters for proper operation.

Parameters

[in] interface Underlying network interface

Returns: Error code

Definition at line 929 of file stm32h7xx_eth_driver.c.

◆ stm32h7xxEthWritePhyReg()

void stm32h7xxEthWritePhyReg	(	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 972 of file stm32h7xx_eth_driver.c.

Variable Documentation

◆ stm32h7xxEthDriver

const NicDriver stm32h7xxEthDriver

Initial value:

=
{
   NIC_TYPE_ETHERNET,
   ETH_MTU,
   stm32h7xxEthInit,
   stm32h7xxEthTick,
   stm32h7xxEthEnableIrq,
   stm32h7xxEthDisableIrq,
   stm32h7xxEthEventHandler,
   stm32h7xxEthSendPacket,
   stm32h7xxEthUpdateMacAddrFilter,
   stm32h7xxEthUpdateMacConfig,
   stm32h7xxEthWritePhyReg,
   stm32h7xxEthReadPhyReg,
   TRUE,
   TRUE,
   TRUE,
   FALSE
}

STM32H7 Ethernet MAC driver.

Definition at line 92 of file stm32h7xx_eth_driver.c.

Macros

Functions

Variables

Detailed Description

License

Macro Definition Documentation

◆ TRACE_LEVEL

Function Documentation

◆ ETH_IRQHandler()

◆ stm32h7xxEthCalcCrc()

◆ stm32h7xxEthDisableIrq()

◆ stm32h7xxEthEnableIrq()

◆ stm32h7xxEthEventHandler()

◆ stm32h7xxEthInit()

◆ stm32h7xxEthInitDmaDesc()

◆ stm32h7xxEthInitGpio()

◆ stm32h7xxEthReadPhyReg()

◆ stm32h7xxEthReceivePacket()

◆ stm32h7xxEthSendPacket()

◆ stm32h7xxEthTick()

◆ stm32h7xxEthUpdateMacAddrFilter()

◆ stm32h7xxEthUpdateMacConfig()

◆ stm32h7xxEthWritePhyReg()

Variable Documentation

◆ stm32h7xxEthDriver