/**
******************************************************************************
* @file stm32h7xx_hal_eth_ex.c
* @author MCD Application Team
* @brief ETH HAL Extended module driver.
*
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
#ifdef HAL_ETH_MODULE_ENABLED
#if defined(ETH)
/** @defgroup ETHEx ETHEx
* @ingroup RTEMSBSPsARMSTM32H7
* @brief ETH HAL Extended module driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/** @defgroup ETHEx_Private_Constants ETHEx Private Constants
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
#define ETH_MACL4CR_MASK (ETH_MACL3L4CR_L4PEN | ETH_MACL3L4CR_L4SPM | \
ETH_MACL3L4CR_L4SPIM | ETH_MACL3L4CR_L4DPM | \
ETH_MACL3L4CR_L4DPIM)
#define ETH_MACL3CR_MASK (ETH_MACL3L4CR_L3PEN | ETH_MACL3L4CR_L3SAM | \
ETH_MACL3L4CR_L3SAIM | ETH_MACL3L4CR_L3DAM | \
ETH_MACL3L4CR_L3DAIM | ETH_MACL3L4CR_L3HSBM | \
ETH_MACL3L4CR_L3HDBM)
#define ETH_MACRXVLAN_MASK (ETH_MACVTR_EIVLRXS | ETH_MACVTR_EIVLS | \
ETH_MACVTR_ERIVLT | ETH_MACVTR_EDVLP | \
ETH_MACVTR_VTHM | ETH_MACVTR_EVLRXS | \
ETH_MACVTR_EVLS | ETH_MACVTR_DOVLTC | \
ETH_MACVTR_ERSVLM | ETH_MACVTR_ESVL | \
ETH_MACVTR_VTIM | ETH_MACVTR_ETV)
#define ETH_MACTXVLAN_MASK (ETH_MACVIR_VLTI | ETH_MACVIR_CSVL | \
ETH_MACVIR_VLP | ETH_MACVIR_VLC)
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup ETHEx_Exported_Functions ETH Extended Exported Functions
* @ingroup RTEMSBSPsARMSTM32H7
* @{
*/
/** @defgroup ETHEx_Exported_Functions_Group1 Extended features functions
* @ingroup RTEMSBSPsARMSTM32H7
* @brief Extended features functions
*
@verbatim
===============================================================================
##### Extended features functions #####
===============================================================================
[..] This section provides functions allowing to:
(+) Configure ARP offload module
(+) Configure L3 and L4 filters
(+) Configure Extended VLAN features
(+) Configure Energy Efficient Ethernet module
@endverbatim
* @{
*/
/**
* @brief Enables ARP Offload.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
void HAL_ETHEx_EnableARPOffload(ETH_HandleTypeDef *heth)
{
SET_BIT(heth->Instance->MACCR, ETH_MACCR_ARP);
}
/**
* @brief Disables ARP Offload.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
void HAL_ETHEx_DisableARPOffload(ETH_HandleTypeDef *heth)
{
CLEAR_BIT(heth->Instance->MACCR, ETH_MACCR_ARP);
}
/**
* @brief Set the ARP Match IP address
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param IpAddress: IP Address to be matched for incoming ARP requests
* @retval None
*/
void HAL_ETHEx_SetARPAddressMatch(ETH_HandleTypeDef *heth, uint32_t IpAddress)
{
WRITE_REG(heth->Instance->MACARPAR, IpAddress);
}
/**
* @brief Configures the L4 Filter, this function allow to:
* set the layer 4 protocol to be matched (TCP or UDP)
* enable/disable L4 source/destination port perfect/inverse match.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param Filter: L4 filter to configured, this parameter must be one of the following
* ETH_L4_FILTER_0
* ETH_L4_FILTER_1
* @param pL4FilterConfig: pointer to a ETH_L4FilterConfigTypeDef structure
* that contains L4 filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_SetL4FilterConfig(ETH_HandleTypeDef *heth, uint32_t Filter,
ETH_L4FilterConfigTypeDef *pL4FilterConfig)
{
__IO uint32_t *configreg = ((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter));
if (pL4FilterConfig == NULL)
{
return HAL_ERROR;
}
/* Write configuration to (MACL3L4C0R + filter )register */
MODIFY_REG(*configreg, ETH_MACL4CR_MASK, (pL4FilterConfig->Protocol |
pL4FilterConfig->SrcPortFilterMatch |
pL4FilterConfig->DestPortFilterMatch));
configreg = ((__IO uint32_t *)(&(heth->Instance->MACL4A0R) + Filter));
/* Write configuration to (MACL4A0R + filter )register */
MODIFY_REG(*configreg, (ETH_MACL4AR_L4DP | ETH_MACL4AR_L4SP), (pL4FilterConfig->SourcePort |
(pL4FilterConfig->DestinationPort << 16)));
/* Enable L4 filter */
SET_BIT(heth->Instance->MACPFR, ETH_MACPFR_IPFE);
return HAL_OK;
}
/**
* @brief Configures the L4 Filter, this function allow to:
* set the layer 4 protocol to be matched (TCP or UDP)
* enable/disable L4 source/destination port perfect/inverse match.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param Filter: L4 filter to configured, this parameter must be one of the following
* ETH_L4_FILTER_0
* ETH_L4_FILTER_1
* @param pL4FilterConfig: pointer to a ETH_L4FilterConfigTypeDef structure
* that contains L4 filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_GetL4FilterConfig(ETH_HandleTypeDef *heth, uint32_t Filter,
ETH_L4FilterConfigTypeDef *pL4FilterConfig)
{
if (pL4FilterConfig == NULL)
{
return HAL_ERROR;
}
/* Get configuration to (MACL3L4C0R + filter )register */
pL4FilterConfig->Protocol = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
ETH_MACL3L4CR_L4PEN);
pL4FilterConfig->DestPortFilterMatch = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
(ETH_MACL3L4CR_L4DPM | ETH_MACL3L4CR_L4DPIM));
pL4FilterConfig->SrcPortFilterMatch = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
(ETH_MACL3L4CR_L4SPM | ETH_MACL3L4CR_L4SPIM));
/* Get configuration to (MACL3L4C0R + filter )register */
pL4FilterConfig->DestinationPort = (READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL4A0R) + Filter)),
ETH_MACL4AR_L4DP) >> 16);
pL4FilterConfig->SourcePort = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL4A0R) + Filter)), ETH_MACL4AR_L4SP);
return HAL_OK;
}
/**
* @brief Configures the L3 Filter, this function allow to:
* set the layer 3 protocol to be matched (IPv4 or IPv6)
* enable/disable L3 source/destination port perfect/inverse match.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param Filter: L3 filter to configured, this parameter must be one of the following
* ETH_L3_FILTER_0
* ETH_L3_FILTER_1
* @param pL3FilterConfig: pointer to a ETH_L3FilterConfigTypeDef structure
* that contains L3 filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_SetL3FilterConfig(ETH_HandleTypeDef *heth, uint32_t Filter,
ETH_L3FilterConfigTypeDef *pL3FilterConfig)
{
__IO uint32_t *configreg = ((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter));
if (pL3FilterConfig == NULL)
{
return HAL_ERROR;
}
/* Write configuration to (MACL3L4C0R + filter )register */
MODIFY_REG(*configreg, ETH_MACL3CR_MASK, (pL3FilterConfig->Protocol |
pL3FilterConfig->SrcAddrFilterMatch |
pL3FilterConfig->DestAddrFilterMatch |
(pL3FilterConfig->SrcAddrHigherBitsMatch << 6) |
(pL3FilterConfig->DestAddrHigherBitsMatch << 11)));
/* Check if IPv6 protocol is selected */
if (pL3FilterConfig->Protocol != ETH_L3_IPV4_MATCH)
{
/* Set the IPv6 address match */
/* Set Bits[31:0] of 128-bit IP addr */
*((__IO uint32_t *)(&(heth->Instance->MACL3A0R0R) + Filter)) = pL3FilterConfig->Ip6Addr[0];
/* Set Bits[63:32] of 128-bit IP addr */
*((__IO uint32_t *)(&(heth->Instance->MACL3A1R0R) + Filter)) = pL3FilterConfig->Ip6Addr[1];
/* update Bits[95:64] of 128-bit IP addr */
*((__IO uint32_t *)(&(heth->Instance->MACL3A2R0R) + Filter)) = pL3FilterConfig->Ip6Addr[2];
/* update Bits[127:96] of 128-bit IP addr */
*((__IO uint32_t *)(&(heth->Instance->MACL3A3R0R) + Filter)) = pL3FilterConfig->Ip6Addr[3];
}
else /* IPv4 protocol is selected */
{
/* Set the IPv4 source address match */
*((__IO uint32_t *)(&(heth->Instance->MACL3A0R0R) + Filter)) = pL3FilterConfig->Ip4SrcAddr;
/* Set the IPv4 destination address match */
*((__IO uint32_t *)(&(heth->Instance->MACL3A1R0R) + Filter)) = pL3FilterConfig->Ip4DestAddr;
}
return HAL_OK;
}
/**
* @brief Configures the L3 Filter, this function allow to:
* set the layer 3 protocol to be matched (IPv4 or IPv6)
* enable/disable L3 source/destination port perfect/inverse match.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param Filter: L3 filter to configured, this parameter must be one of the following
* ETH_L3_FILTER_0
* ETH_L3_FILTER_1
* @param pL3FilterConfig: pointer to a ETH_L3FilterConfigTypeDef structure
* that will contain the L3 filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_GetL3FilterConfig(ETH_HandleTypeDef *heth, uint32_t Filter,
ETH_L3FilterConfigTypeDef *pL3FilterConfig)
{
if (pL3FilterConfig == NULL)
{
return HAL_ERROR;
}
pL3FilterConfig->Protocol = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
ETH_MACL3L4CR_L3PEN);
pL3FilterConfig->SrcAddrFilterMatch = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
(ETH_MACL3L4CR_L3SAM | ETH_MACL3L4CR_L3SAIM));
pL3FilterConfig->DestAddrFilterMatch = READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
(ETH_MACL3L4CR_L3DAM | ETH_MACL3L4CR_L3DAIM));
pL3FilterConfig->SrcAddrHigherBitsMatch = (READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
ETH_MACL3L4CR_L3HSBM) >> 6);
pL3FilterConfig->DestAddrHigherBitsMatch = (READ_BIT(*((__IO uint32_t *)(&(heth->Instance->MACL3L4C0R) + Filter)),
ETH_MACL3L4CR_L3HDBM) >> 11);
if (pL3FilterConfig->Protocol != ETH_L3_IPV4_MATCH)
{
pL3FilterConfig->Ip6Addr[0] = *((__IO uint32_t *)(&(heth->Instance->MACL3A0R0R) + Filter));
pL3FilterConfig->Ip6Addr[1] = *((__IO uint32_t *)(&(heth->Instance->MACL3A1R0R) + Filter));
pL3FilterConfig->Ip6Addr[2] = *((__IO uint32_t *)(&(heth->Instance->MACL3A2R0R) + Filter));
pL3FilterConfig->Ip6Addr[3] = *((__IO uint32_t *)(&(heth->Instance->MACL3A3R0R) + Filter));
}
else
{
pL3FilterConfig->Ip4SrcAddr = *((__IO uint32_t *)(&(heth->Instance->MACL3A0R0R) + Filter));
pL3FilterConfig->Ip4DestAddr = *((__IO uint32_t *)(&(heth->Instance->MACL3A1R0R) + Filter));
}
return HAL_OK;
}
/**
* @brief Enables L3 and L4 filtering process.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None.
*/
void HAL_ETHEx_EnableL3L4Filtering(ETH_HandleTypeDef *heth)
{
/* Enable L3/L4 filter */
SET_BIT(heth->Instance->MACPFR, ETH_MACPFR_IPFE);
}
/**
* @brief Disables L3 and L4 filtering process.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None.
*/
void HAL_ETHEx_DisableL3L4Filtering(ETH_HandleTypeDef *heth)
{
/* Disable L3/L4 filter */
CLEAR_BIT(heth->Instance->MACPFR, ETH_MACPFR_IPFE);
}
/**
* @brief Get the VLAN Configuration for Receive Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pVlanConfig: pointer to a ETH_RxVLANConfigTypeDef structure
* that will contain the VLAN filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_GetRxVLANConfig(ETH_HandleTypeDef *heth, ETH_RxVLANConfigTypeDef *pVlanConfig)
{
if (pVlanConfig == NULL)
{
return HAL_ERROR;
}
pVlanConfig->InnerVLANTagInStatus = ((READ_BIT(heth->Instance->MACVTR,
ETH_MACVTR_EIVLRXS) >> 31) == 0U) ? DISABLE : ENABLE;
pVlanConfig->StripInnerVLANTag = READ_BIT(heth->Instance->MACVTR, ETH_MACVTR_EIVLS);
pVlanConfig->InnerVLANTag = ((READ_BIT(heth->Instance->MACVTR, ETH_MACVTR_ERIVLT) >> 27) == 0U) ? DISABLE : ENABLE;
pVlanConfig->DoubleVLANProcessing = ((READ_BIT(heth->Instance->MACVTR,
ETH_MACVTR_EDVLP) >> 26) == 0U) ? DISABLE : ENABLE;
pVlanConfig->VLANTagHashTableMatch = ((READ_BIT(heth->Instance->MACVTR,
ETH_MACVTR_VTHM) >> 25) == 0U) ? DISABLE : ENABLE;
pVlanConfig->VLANTagInStatus = ((READ_BIT(heth->Instance->MACVTR, ETH_MACVTR_EVLRXS) >> 24) == 0U) ? DISABLE : ENABLE;
pVlanConfig->StripVLANTag = READ_BIT(heth->Instance->MACVTR, ETH_MACVTR_EVLS);
pVlanConfig->VLANTypeCheck = READ_BIT(heth->Instance->MACVTR,
(ETH_MACVTR_DOVLTC | ETH_MACVTR_ERSVLM | ETH_MACVTR_ESVL));
pVlanConfig->VLANTagInverceMatch = ((READ_BIT(heth->Instance->MACVTR, ETH_MACVTR_VTIM) >> 17) == 0U)
? DISABLE : ENABLE;
return HAL_OK;
}
/**
* @brief Set the VLAN Configuration for Receive Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pVlanConfig: pointer to a ETH_RxVLANConfigTypeDef structure
* that contains VLAN filter configuration.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETHEx_SetRxVLANConfig(ETH_HandleTypeDef *heth, ETH_RxVLANConfigTypeDef *pVlanConfig)
{
if (pVlanConfig == NULL)
{
return HAL_ERROR;
}
/* Write config to MACVTR */
MODIFY_REG(heth->Instance->MACVTR, ETH_MACRXVLAN_MASK, (((uint32_t)pVlanConfig->InnerVLANTagInStatus << 31) |
pVlanConfig->StripInnerVLANTag |
((uint32_t)pVlanConfig->InnerVLANTag << 27) |
((uint32_t)pVlanConfig->DoubleVLANProcessing << 26) |
((uint32_t)pVlanConfig->VLANTagHashTableMatch << 25) |
((uint32_t)pVlanConfig->VLANTagInStatus << 24) |
pVlanConfig->StripVLANTag |
pVlanConfig->VLANTypeCheck |
((uint32_t)pVlanConfig->VLANTagInverceMatch << 17)));
return HAL_OK;
}
/**
* @brief Set the VLAN Hash Table
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param VLANHashTable: VLAN hash table 16 bit value
* @retval None
*/
void HAL_ETHEx_SetVLANHashTable(ETH_HandleTypeDef *heth, uint32_t VLANHashTable)
{
MODIFY_REG(heth->Instance->MACVHTR, ETH_MACVHTR_VLHT, VLANHashTable);
}
/**
* @brief Get the VLAN Configuration for Transmit Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param VLANTag: Selects the vlan tag, this parameter must be one of the following
* ETH_OUTER_TX_VLANTAG
* ETH_INNER_TX_VLANTAG
* @param pVlanConfig: pointer to a ETH_TxVLANConfigTypeDef structure
* that will contain the Tx VLAN filter configuration.
* @retval HAL Status.
*/
HAL_StatusTypeDef HAL_ETHEx_GetTxVLANConfig(ETH_HandleTypeDef *heth, uint32_t VLANTag,
ETH_TxVLANConfigTypeDef *pVlanConfig)
{
if (pVlanConfig == NULL)
{
return HAL_ERROR;
}
if (VLANTag == ETH_INNER_TX_VLANTAG)
{
pVlanConfig->SourceTxDesc = ((READ_BIT(heth->Instance->MACIVIR, ETH_MACVIR_VLTI) >> 20) == 0U) ? DISABLE : ENABLE;
pVlanConfig->SVLANType = ((READ_BIT(heth->Instance->MACIVIR, ETH_MACVIR_CSVL) >> 19) == 0U) ? DISABLE : ENABLE;
pVlanConfig->VLANTagControl = READ_BIT(heth->Instance->MACIVIR, (ETH_MACVIR_VLP | ETH_MACVIR_VLC));
}
else
{
pVlanConfig->SourceTxDesc = ((READ_BIT(heth->Instance->MACVIR, ETH_MACVIR_VLTI) >> 20) == 0U) ? DISABLE : ENABLE;
pVlanConfig->SVLANType = ((READ_BIT(heth->Instance->MACVIR, ETH_MACVIR_CSVL) >> 19) == 0U) ? DISABLE : ENABLE;
pVlanConfig->VLANTagControl = READ_BIT(heth->Instance->MACVIR, (ETH_MACVIR_VLP | ETH_MACVIR_VLC));
}
return HAL_OK;;
}
/**
* @brief Set the VLAN Configuration for Transmit Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param VLANTag: Selects the vlan tag, this parameter must be one of the following
* ETH_OUTER_TX_VLANTAG
* ETH_INNER_TX_VLANTAG
* @param pVlanConfig: pointer to a ETH_TxVLANConfigTypeDef structure
* that contains Tx VLAN filter configuration.
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_ETHEx_SetTxVLANConfig(ETH_HandleTypeDef *heth, uint32_t VLANTag,
ETH_TxVLANConfigTypeDef *pVlanConfig)
{
if (VLANTag == ETH_INNER_TX_VLANTAG)
{
MODIFY_REG(heth->Instance->MACIVIR, ETH_MACTXVLAN_MASK, (((uint32_t)pVlanConfig->SourceTxDesc << 20) |
((uint32_t)pVlanConfig->SVLANType << 19) |
pVlanConfig->VLANTagControl));
/* Enable Double VLAN processing */
SET_BIT(heth->Instance->MACVTR, ETH_MACVTR_EDVLP);
}
else
{
MODIFY_REG(heth->Instance->MACVIR, ETH_MACTXVLAN_MASK, (((uint32_t)pVlanConfig->SourceTxDesc << 20) |
((uint32_t)pVlanConfig->SVLANType << 19) |
pVlanConfig->VLANTagControl));
}
return HAL_OK;
}
/**
* @brief Set the VLAN Tag Identifier for Transmit Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param VLANTag: Selects the vlan tag, this parameter must be one of the following
* ETH_OUTER_TX_VLANTAG
* ETH_INNER_TX_VLANTAG
* @param VLANIdentifier: VLAN Identifier 16 bit value
* @retval None
*/
void HAL_ETHEx_SetTxVLANIdentifier(ETH_HandleTypeDef *heth, uint32_t VLANTag, uint32_t VLANIdentifier)
{
if (VLANTag == ETH_INNER_TX_VLANTAG)
{
MODIFY_REG(heth->Instance->MACIVIR, ETH_MACVIR_VLT, VLANIdentifier);
}
else
{
MODIFY_REG(heth->Instance->MACVIR, ETH_MACVIR_VLT, VLANIdentifier);
}
}
/**
* @brief Enables the VLAN Tag Filtering process.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None.
*/
void HAL_ETHEx_EnableVLANProcessing(ETH_HandleTypeDef *heth)
{
/* Enable VLAN processing */
SET_BIT(heth->Instance->MACPFR, ETH_MACPFR_VTFE);
}
/**
* @brief Disables the VLAN Tag Filtering process.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None.
*/
void HAL_ETHEx_DisableVLANProcessing(ETH_HandleTypeDef *heth)
{
/* Disable VLAN processing */
CLEAR_BIT(heth->Instance->MACPFR, ETH_MACPFR_VTFE);
}
/**
* @brief Enters the Low Power Idle (LPI) mode
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param TxAutomate: Enable/Disable automate enter/exit LPI mode.
* @param TxClockStop: Enable/Disable Tx clock stop in LPI mode.
* @retval None
*/
void HAL_ETHEx_EnterLPIMode(ETH_HandleTypeDef *heth, FunctionalState TxAutomate, FunctionalState TxClockStop)
{
/* Enable LPI Interrupts */
__HAL_ETH_MAC_ENABLE_IT(heth, ETH_MACIER_LPIIE);
/* Write to LPI Control register: Enter low power mode */
MODIFY_REG(heth->Instance->MACLCSR, (ETH_MACLCSR_LPIEN | ETH_MACLCSR_LPITXA | ETH_MACLCSR_LPITCSE),
(((uint32_t)TxAutomate << 19) |
((uint32_t)TxClockStop << 21) |
ETH_MACLCSR_LPIEN));
}
/**
* @brief Exits the Low Power Idle (LPI) mode.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
void HAL_ETHEx_ExitLPIMode(ETH_HandleTypeDef *heth)
{
/* Clear the LPI Config and exit low power mode */
CLEAR_BIT(heth->Instance->MACLCSR, (ETH_MACLCSR_LPIEN | ETH_MACLCSR_LPITXA | ETH_MACLCSR_LPITCSE));
/* Enable LPI Interrupts */
__HAL_ETH_MAC_DISABLE_IT(heth, ETH_MACIER_LPIIE);
}
/**
* @brief Returns the ETH MAC LPI event
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval ETH MAC WakeUp event
*/
uint32_t HAL_ETHEx_GetMACLPIEvent(ETH_HandleTypeDef *heth)
{
return heth->MACLPIEvent;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#endif /* ETH */
#endif /* HAL_ETH_MODULE_ENABLED */
/**
* @}
*/
