Google Git
Sign in
pigweed / third_party / github / STMicroelectronics / stm32h7xx_hal_driver / c4089d601e84834122654b52c7e0df69b64c7783 / . / Src / stm32h7xx_hal_eth.c
blob: 2536a73b12126bef9cc6dab92fe04a552d470b4c [file] [log] [blame]
/**
******************************************************************************
* @file stm32h7xx_hal_eth.c
* @author MCD Application Team
* @brief ETH HAL module driver.
* This file provides firmware functions to manage the following
* functionalities of the Ethernet (ETH) peripheral:
* + Initialization and deinitialization functions
* + IO operation functions
* + Peripheral Control functions
* + Peripheral State and Errors functions
*
******************************************************************************
* @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.
*
******************************************************************************
@verbatim
==============================================================================
##### How to use this driver #####
==============================================================================
[..]
The ETH HAL driver can be used as follows:
(#)Declare a ETH_HandleTypeDef handle structure, for example:
ETH_HandleTypeDef heth;
(#)Fill parameters of Init structure in heth handle
(#)Call HAL_ETH_Init() API to initialize the Ethernet peripheral (MAC, DMA, ...)
(#)Initialize the ETH low level resources through the HAL_ETH_MspInit() API:
(##) Enable the Ethernet interface clock using
(+++) __HAL_RCC_ETH1MAC_CLK_ENABLE()
(+++) __HAL_RCC_ETH1TX_CLK_ENABLE()
(+++) __HAL_RCC_ETH1RX_CLK_ENABLE()
(##) Initialize the related GPIO clocks
(##) Configure Ethernet pinout
(##) Configure Ethernet NVIC interrupt (in Interrupt mode)
(#) Ethernet data reception is asynchronous, so call the following API
to start the listening mode:
(##) HAL_ETH_Start():
This API starts the MAC and DMA transmission and reception process,
without enabling end of transfer interrupts, in this mode user
has to poll for data reception by calling HAL_ETH_ReadData()
(##) HAL_ETH_Start_IT():
This API starts the MAC and DMA transmission and reception process,
end of transfer interrupts are enabled in this mode,
HAL_ETH_RxCpltCallback() will be executed when an Ethernet packet is received
(#) When data is received user can call the following API to get received data:
(##) HAL_ETH_ReadData(): Read a received packet
(#) For transmission path, two APIs are available:
(##) HAL_ETH_Transmit(): Transmit an ETH frame in blocking mode
(##) HAL_ETH_Transmit_IT(): Transmit an ETH frame in interrupt mode,
HAL_ETH_TxCpltCallback() will be executed when end of transfer occur
(#) Communication with an external PHY device:
(##) HAL_ETH_ReadPHYRegister(): Read a register from an external PHY
(##) HAL_ETH_WritePHYRegister(): Write data to an external RHY register
(#) Configure the Ethernet MAC after ETH peripheral initialization
(##) HAL_ETH_GetMACConfig(): Get MAC actual configuration into ETH_MACConfigTypeDef
(##) HAL_ETH_SetMACConfig(): Set MAC configuration based on ETH_MACConfigTypeDef
(#) Configure the Ethernet DMA after ETH peripheral initialization
(##) HAL_ETH_GetDMAConfig(): Get DMA actual configuration into ETH_DMAConfigTypeDef
(##) HAL_ETH_SetDMAConfig(): Set DMA configuration based on ETH_DMAConfigTypeDef
(#) Configure the Ethernet PTP after ETH peripheral initialization
(##) Define HAL_ETH_USE_PTP to use PTP APIs.
(##) HAL_ETH_PTP_GetConfig(): Get PTP actual configuration into ETH_PTP_ConfigTypeDef
(##) HAL_ETH_PTP_SetConfig(): Set PTP configuration based on ETH_PTP_ConfigTypeDef
(##) HAL_ETH_PTP_GetTime(): Get Seconds and Nanoseconds for the Ethernet PTP registers
(##) HAL_ETH_PTP_SetTime(): Set Seconds and Nanoseconds for the Ethernet PTP registers
(##) HAL_ETH_PTP_AddTimeOffset(): Add Seconds and Nanoseconds offset for the Ethernet PTP registers
(##) HAL_ETH_PTP_InsertTxTimestamp(): Insert Timestamp in transmission
(##) HAL_ETH_PTP_GetTxTimestamp(): Get transmission timestamp
(##) HAL_ETH_PTP_GetRxTimestamp(): Get reception timestamp
-@- The ARP offload feature is not supported in this driver.
-@- The PTP offload feature is not supported in this driver.
*** Callback registration ***
=============================================
The compilation define USE_HAL_ETH_REGISTER_CALLBACKS when set to 1
allows the user to configure dynamically the driver callbacks.
Use Function HAL_ETH_RegisterCallback() to register an interrupt callback.
Function HAL_ETH_RegisterCallback() allows to register following callbacks:
(+) TxCpltCallback : Tx Complete Callback.
(+) RxCpltCallback : Rx Complete Callback.
(+) ErrorCallback : Error Callback.
(+) PMTCallback : Power Management Callback
(+) EEECallback : EEE Callback.
(+) WakeUpCallback : Wake UP Callback
(+) MspInitCallback : MspInit Callback.
(+) MspDeInitCallback: MspDeInit Callback.
This function takes as parameters the HAL peripheral handle, the Callback ID
and a pointer to the user callback function.
For specific callbacks RxAllocateCallback use dedicated register callbacks:
respectively HAL_ETH_RegisterRxAllocateCallback().
For specific callbacks RxLinkCallback use dedicated register callbacks:
respectively HAL_ETH_RegisterRxLinkCallback().
For specific callbacks TxFreeCallback use dedicated register callbacks:
respectively HAL_ETH_RegisterTxFreeCallback().
For specific callbacks TxPtpCallback use dedicated register callbacks:
respectively HAL_ETH_RegisterTxPtpCallback().
Use function HAL_ETH_UnRegisterCallback() to reset a callback to the default
weak function.
HAL_ETH_UnRegisterCallback takes as parameters the HAL peripheral handle,
and the Callback ID.
This function allows to reset following callbacks:
(+) TxCpltCallback : Tx Complete Callback.
(+) RxCpltCallback : Rx Complete Callback.
(+) ErrorCallback : Error Callback.
(+) PMTCallback : Power Management Callback
(+) EEECallback : EEE Callback.
(+) WakeUpCallback : Wake UP Callback
(+) MspInitCallback : MspInit Callback.
(+) MspDeInitCallback: MspDeInit Callback.
For specific callbacks RxAllocateCallback use dedicated unregister callbacks:
respectively HAL_ETH_UnRegisterRxAllocateCallback().
For specific callbacks RxLinkCallback use dedicated unregister callbacks:
respectively HAL_ETH_UnRegisterRxLinkCallback().
For specific callbacks TxFreeCallback use dedicated unregister callbacks:
respectively HAL_ETH_UnRegisterTxFreeCallback().
For specific callbacks TxPtpCallback use dedicated unregister callbacks:
respectively HAL_ETH_UnRegisterTxPtpCallback().
By default, after the HAL_ETH_Init and when the state is HAL_ETH_STATE_RESET
all callbacks are set to the corresponding weak functions:
examples HAL_ETH_TxCpltCallback(), HAL_ETH_RxCpltCallback().
Exception done for MspInit and MspDeInit functions that are
reset to the legacy weak function in the HAL_ETH_Init/ HAL_ETH_DeInit only when
these callbacks are null (not registered beforehand).
if not, MspInit or MspDeInit are not null, the HAL_ETH_Init/ HAL_ETH_DeInit
keep and use the user MspInit/MspDeInit callbacks (registered beforehand)
Callbacks can be registered/unregistered in HAL_ETH_STATE_READY state only.
Exception done MspInit/MspDeInit that can be registered/unregistered
in HAL_ETH_STATE_READY or HAL_ETH_STATE_RESET state,
thus registered (user) MspInit/DeInit callbacks can be used during the Init/DeInit.
In that case first register the MspInit/MspDeInit user callbacks
using HAL_ETH_RegisterCallback() before calling HAL_ETH_DeInit
or HAL_ETH_Init function.
When The compilation define USE_HAL_ETH_REGISTER_CALLBACKS is set to 0 or
not defined, the callback registration feature is not available and all callbacks
are set to the corresponding weak functions.
@endverbatim
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "stm32h7xx_hal.h"
/** @addtogroup STM32H7xx_HAL_Driver
* @{
*/
#ifdef HAL_ETH_MODULE_ENABLED
#if defined(ETH)
/** @defgroup ETH ETH
* @brief ETH HAL module driver
* @{
*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/** @addtogroup ETH_Private_Constants ETH Private Constants
* @{
*/
#define ETH_MACCR_MASK 0xFFFB7F7CU
#define ETH_MACECR_MASK 0x3F077FFFU
#define ETH_MACPFR_MASK 0x800007FFU
#define ETH_MACWTR_MASK 0x0000010FU
#define ETH_MACTFCR_MASK 0xFFFF00F2U
#define ETH_MACRFCR_MASK 0x00000003U
#define ETH_MTLTQOMR_MASK 0x00000072U
#define ETH_MTLRQOMR_MASK 0x0000007BU
#define ETH_DMAMR_MASK 0x00007802U
#define ETH_DMASBMR_MASK 0x0000D001U
#define ETH_DMACCR_MASK 0x00013FFFU
#define ETH_DMACTCR_MASK 0x003F1010U
#define ETH_DMACRCR_MASK 0x803F0000U
#define ETH_MACPCSR_MASK (ETH_MACPCSR_PWRDWN | ETH_MACPCSR_RWKPKTEN | \
ETH_MACPCSR_MGKPKTEN | ETH_MACPCSR_GLBLUCAST | \
ETH_MACPCSR_RWKPFE)
/* Timeout values */
#define ETH_DMARXNDESCWBF_ERRORS_MASK ((uint32_t)(ETH_DMARXNDESCWBF_DE | ETH_DMARXNDESCWBF_RE | \
ETH_DMARXNDESCWBF_OE | ETH_DMARXNDESCWBF_RWT |\
ETH_DMARXNDESCWBF_GP | ETH_DMARXNDESCWBF_CE))
#define ETH_MACTSCR_MASK 0x0087FF2FU
#define ETH_MACSTSUR_VALUE 0xFFFFFFFFU
#define ETH_MACSTNUR_VALUE 0xBB9ACA00U
#define ETH_SEGMENT_SIZE_DEFAULT 0x218U
/**
* @}
*/
/* Private macros ------------------------------------------------------------*/
/** @defgroup ETH_Private_Macros ETH Private Macros
* @{
*/
/* Helper macros for TX descriptor handling */
#define INCR_TX_DESC_INDEX(inx, offset) do {\
(inx) += (offset);\
if ((inx) >= (uint32_t)ETH_TX_DESC_CNT){\
(inx) = ((inx) - (uint32_t)ETH_TX_DESC_CNT);}\
} while (0)
/* Helper macros for RX descriptor handling */
#define INCR_RX_DESC_INDEX(inx, offset) do {\
(inx) += (offset);\
if ((inx) >= (uint32_t)ETH_RX_DESC_CNT){\
(inx) = ((inx) - (uint32_t)ETH_RX_DESC_CNT);}\
} while (0)
/**
* @}
*/
/* Private function prototypes -----------------------------------------------*/
/** @defgroup ETH_Private_Functions ETH Private Functions
* @{
*/
static void ETH_SetMACConfig(ETH_HandleTypeDef *heth, const ETH_MACConfigTypeDef *macconf);
static void ETH_SetDMAConfig(ETH_HandleTypeDef *heth, const ETH_DMAConfigTypeDef *dmaconf);
static void ETH_MACDMAConfig(ETH_HandleTypeDef *heth);
static void ETH_DMATxDescListInit(ETH_HandleTypeDef *heth);
static void ETH_DMARxDescListInit(ETH_HandleTypeDef *heth);
static uint32_t ETH_Prepare_Tx_Descriptors(ETH_HandleTypeDef *heth, const ETH_TxPacketConfigTypeDef *pTxConfig,
uint32_t ItMode);
static void ETH_UpdateDescriptor(ETH_HandleTypeDef *heth);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
static void ETH_InitCallbacksToDefault(ETH_HandleTypeDef *heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
/**
* @}
*/
/* Exported functions ---------------------------------------------------------*/
/** @defgroup ETH_Exported_Functions ETH Exported Functions
* @{
*/
/** @defgroup ETH_Exported_Functions_Group1 Initialization and deinitialization functions
* @brief Initialization and Configuration functions
*
@verbatim
===============================================================================
##### Initialization and Configuration functions #####
===============================================================================
[..] This subsection provides a set of functions allowing to initialize and
deinitialize the ETH peripheral:
(+) User must Implement HAL_ETH_MspInit() function in which he configures
all related peripherals resources (CLOCK, GPIO and NVIC ).
(+) Call the function HAL_ETH_Init() to configure the selected device with
the selected configuration:
(++) MAC address
(++) Media interface (MII or RMII)
(++) Rx DMA Descriptors Tab
(++) Tx DMA Descriptors Tab
(++) Length of Rx Buffers
(+) Call the function HAL_ETH_DeInit() to restore the default configuration
of the selected ETH peripheral.
@endverbatim
* @{
*/
/**
* @brief Initialize the Ethernet peripheral registers.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Init(ETH_HandleTypeDef *heth)
{
uint32_t tickstart;
if (heth == NULL)
{
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_RESET)
{
heth->gState = HAL_ETH_STATE_BUSY;
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
ETH_InitCallbacksToDefault(heth);
if (heth->MspInitCallback == NULL)
{
heth->MspInitCallback = HAL_ETH_MspInit;
}
/* Init the low level hardware */
heth->MspInitCallback(heth);
#else
/* Init the low level hardware : GPIO, CLOCK, NVIC. */
HAL_ETH_MspInit(heth);
#endif /* (USE_HAL_ETH_REGISTER_CALLBACKS) */
}
__HAL_RCC_SYSCFG_CLK_ENABLE();
if (heth->Init.MediaInterface == HAL_ETH_MII_MODE)
{
HAL_SYSCFG_ETHInterfaceSelect(SYSCFG_ETH_MII);
}
else
{
HAL_SYSCFG_ETHInterfaceSelect(SYSCFG_ETH_RMII);
}
/* Dummy read to sync with ETH */
(void)SYSCFG->PMCR;
/* Ethernet Software reset */
/* Set the SWR bit: resets all MAC subsystem internal registers and logic */
/* After reset all the registers holds their respective reset values */
SET_BIT(heth->Instance->DMAMR, ETH_DMAMR_SWR);
/* Get tick */
tickstart = HAL_GetTick();
/* Wait for software reset */
while (READ_BIT(heth->Instance->DMAMR, ETH_DMAMR_SWR) > 0U)
{
if (((HAL_GetTick() - tickstart) > ETH_SWRESET_TIMEOUT))
{
/* Set Error Code */
heth->ErrorCode = HAL_ETH_ERROR_TIMEOUT;
/* Set State as Error */
heth->gState = HAL_ETH_STATE_ERROR;
/* Return Error */
return HAL_ERROR;
}
}
/*------------------ MDIO CSR Clock Range Configuration --------------------*/
HAL_ETH_SetMDIOClockRange(heth);
/*------------------ MAC LPI 1US Tic Counter Configuration --------------------*/
WRITE_REG(heth->Instance->MAC1USTCR, (((uint32_t)HAL_RCC_GetHCLKFreq() / ETH_MAC_US_TICK) - 1U));
/*------------------ MAC, MTL and DMA default Configuration ----------------*/
ETH_MACDMAConfig(heth);
/* SET DSL to 64 bit */
MODIFY_REG(heth->Instance->DMACCR, ETH_DMACCR_DSL, ETH_DMACCR_DSL_64BIT);
/* Set Receive Buffers Length (must be a multiple of 4) */
if ((heth->Init.RxBuffLen % 0x4U) != 0x0U)
{
/* Set Error Code */
heth->ErrorCode = HAL_ETH_ERROR_PARAM;
/* Set State as Error */
heth->gState = HAL_ETH_STATE_ERROR;
/* Return Error */
return HAL_ERROR;
}
else
{
MODIFY_REG(heth->Instance->DMACRCR, ETH_DMACRCR_RBSZ, ((heth->Init.RxBuffLen) << 1));
}
/*------------------ DMA Tx Descriptors Configuration ----------------------*/
ETH_DMATxDescListInit(heth);
/*------------------ DMA Rx Descriptors Configuration ----------------------*/
ETH_DMARxDescListInit(heth);
/*--------------------- ETHERNET MAC Address Configuration ------------------*/
/* Set MAC addr bits 32 to 47 */
heth->Instance->MACA0HR = (((uint32_t)(heth->Init.MACAddr[5]) << 8) | (uint32_t)heth->Init.MACAddr[4]);
/* Set MAC addr bits 0 to 31 */
heth->Instance->MACA0LR = (((uint32_t)(heth->Init.MACAddr[3]) << 24) | ((uint32_t)(heth->Init.MACAddr[2]) << 16) |
((uint32_t)(heth->Init.MACAddr[1]) << 8) | (uint32_t)heth->Init.MACAddr[0]);
/* Disable Rx MMC Interrupts */
SET_BIT(heth->Instance->MMCRIMR, ETH_MMCRIMR_RXLPITRCIM | ETH_MMCRIMR_RXLPIUSCIM | \
ETH_MMCRIMR_RXUCGPIM | ETH_MMCRIMR_RXALGNERPIM | ETH_MMCRIMR_RXCRCERPIM);
/* Disable Tx MMC Interrupts */
SET_BIT(heth->Instance->MMCTIMR, ETH_MMCTIMR_TXLPITRCIM | ETH_MMCTIMR_TXLPIUSCIM | \
ETH_MMCTIMR_TXGPKTIM | ETH_MMCTIMR_TXMCOLGPIM | ETH_MMCTIMR_TXSCOLGPIM);
heth->ErrorCode = HAL_ETH_ERROR_NONE;
heth->gState = HAL_ETH_STATE_READY;
return HAL_OK;
}
/**
* @brief DeInitializes the ETH peripheral.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_DeInit(ETH_HandleTypeDef *heth)
{
/* Set the ETH peripheral state to BUSY */
heth->gState = HAL_ETH_STATE_BUSY;
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
if (heth->MspDeInitCallback == NULL)
{
heth->MspDeInitCallback = HAL_ETH_MspDeInit;
}
/* DeInit the low level hardware */
heth->MspDeInitCallback(heth);
#else
/* De-Init the low level hardware : GPIO, CLOCK, NVIC. */
HAL_ETH_MspDeInit(heth);
#endif /* (USE_HAL_ETH_REGISTER_CALLBACKS) */
/* Set ETH HAL state to Disabled */
heth->gState = HAL_ETH_STATE_RESET;
/* Return function status */
return HAL_OK;
}
/**
* @brief Initializes the ETH MSP.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_MspInit(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_MspInit could be implemented in the user file
*/
}
/**
* @brief DeInitializes ETH MSP.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_MspDeInit(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_MspDeInit could be implemented in the user file
*/
}
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/**
* @brief Register a User ETH Callback
* To be used instead of the weak predefined callback
* @param heth eth handle
* @param CallbackID ID of the callback to be registered
* This parameter can be one of the following values:
* @arg @ref HAL_ETH_TX_COMPLETE_CB_ID Tx Complete Callback ID
* @arg @ref HAL_ETH_RX_COMPLETE_CB_ID Rx Complete Callback ID
* @arg @ref HAL_ETH_ERROR_CB_ID Error Callback ID
* @arg @ref HAL_ETH_PMT_CB_ID Power Management Callback ID
* @arg @ref HAL_ETH_EEE_CB_ID EEE Callback ID
* @arg @ref HAL_ETH_WAKEUP_CB_ID Wake UP Callback ID
* @arg @ref HAL_ETH_MSPINIT_CB_ID MspInit callback ID
* @arg @ref HAL_ETH_MSPDEINIT_CB_ID MspDeInit callback ID
* @param pCallback pointer to the Callback function
* @retval status
*/
HAL_StatusTypeDef HAL_ETH_RegisterCallback(ETH_HandleTypeDef *heth, HAL_ETH_CallbackIDTypeDef CallbackID,
pETH_CallbackTypeDef pCallback)
{
HAL_StatusTypeDef status = HAL_OK;
if (pCallback == NULL)
{
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_READY)
{
switch (CallbackID)
{
case HAL_ETH_TX_COMPLETE_CB_ID :
heth->TxCpltCallback = pCallback;
break;
case HAL_ETH_RX_COMPLETE_CB_ID :
heth->RxCpltCallback = pCallback;
break;
case HAL_ETH_ERROR_CB_ID :
heth->ErrorCallback = pCallback;
break;
case HAL_ETH_PMT_CB_ID :
heth->PMTCallback = pCallback;
break;
case HAL_ETH_EEE_CB_ID :
heth->EEECallback = pCallback;
break;
case HAL_ETH_WAKEUP_CB_ID :
heth->WakeUpCallback = pCallback;
break;
case HAL_ETH_MSPINIT_CB_ID :
heth->MspInitCallback = pCallback;
break;
case HAL_ETH_MSPDEINIT_CB_ID :
heth->MspDeInitCallback = pCallback;
break;
default :
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
break;
}
}
else if (heth->gState == HAL_ETH_STATE_RESET)
{
switch (CallbackID)
{
case HAL_ETH_MSPINIT_CB_ID :
heth->MspInitCallback = pCallback;
break;
case HAL_ETH_MSPDEINIT_CB_ID :
heth->MspDeInitCallback = pCallback;
break;
default :
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
break;
}
}
else
{
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
}
return status;
}
/**
* @brief Unregister an ETH Callback
* ETH callback is redirected to the weak predefined callback
* @param heth eth handle
* @param CallbackID ID of the callback to be unregistered
* This parameter can be one of the following values:
* @arg @ref HAL_ETH_TX_COMPLETE_CB_ID Tx Complete Callback ID
* @arg @ref HAL_ETH_RX_COMPLETE_CB_ID Rx Complete Callback ID
* @arg @ref HAL_ETH_ERROR_CB_ID Error Callback ID
* @arg @ref HAL_ETH_PMT_CB_ID Power Management Callback ID
* @arg @ref HAL_ETH_EEE_CB_ID EEE Callback ID
* @arg @ref HAL_ETH_WAKEUP_CB_ID Wake UP Callback ID
* @arg @ref HAL_ETH_MSPINIT_CB_ID MspInit callback ID
* @arg @ref HAL_ETH_MSPDEINIT_CB_ID MspDeInit callback ID
* @retval status
*/
HAL_StatusTypeDef HAL_ETH_UnRegisterCallback(ETH_HandleTypeDef *heth, HAL_ETH_CallbackIDTypeDef CallbackID)
{
HAL_StatusTypeDef status = HAL_OK;
if (heth->gState == HAL_ETH_STATE_READY)
{
switch (CallbackID)
{
case HAL_ETH_TX_COMPLETE_CB_ID :
heth->TxCpltCallback = HAL_ETH_TxCpltCallback;
break;
case HAL_ETH_RX_COMPLETE_CB_ID :
heth->RxCpltCallback = HAL_ETH_RxCpltCallback;
break;
case HAL_ETH_ERROR_CB_ID :
heth->ErrorCallback = HAL_ETH_ErrorCallback;
break;
case HAL_ETH_PMT_CB_ID :
heth->PMTCallback = HAL_ETH_PMTCallback;
break;
case HAL_ETH_EEE_CB_ID :
heth->EEECallback = HAL_ETH_EEECallback;
break;
case HAL_ETH_WAKEUP_CB_ID :
heth->WakeUpCallback = HAL_ETH_WakeUpCallback;
break;
case HAL_ETH_MSPINIT_CB_ID :
heth->MspInitCallback = HAL_ETH_MspInit;
break;
case HAL_ETH_MSPDEINIT_CB_ID :
heth->MspDeInitCallback = HAL_ETH_MspDeInit;
break;
default :
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
break;
}
}
else if (heth->gState == HAL_ETH_STATE_RESET)
{
switch (CallbackID)
{
case HAL_ETH_MSPINIT_CB_ID :
heth->MspInitCallback = HAL_ETH_MspInit;
break;
case HAL_ETH_MSPDEINIT_CB_ID :
heth->MspDeInitCallback = HAL_ETH_MspDeInit;
break;
default :
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
break;
}
}
else
{
/* Update the error code */
heth->ErrorCode |= HAL_ETH_ERROR_INVALID_CALLBACK;
/* Return error status */
status = HAL_ERROR;
}
return status;
}
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
/**
* @}
*/
/** @defgroup ETH_Exported_Functions_Group2 IO operation functions
* @brief ETH Transmit and Receive functions
*
@verbatim
==============================================================================
##### IO operation functions #####
==============================================================================
[..]
This subsection provides a set of functions allowing to manage the ETH
data transfer.
@endverbatim
* @{
*/
/**
* @brief Enables Ethernet MAC and DMA reception and transmission
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Start(ETH_HandleTypeDef *heth)
{
if (heth->gState == HAL_ETH_STATE_READY)
{
heth->gState = HAL_ETH_STATE_BUSY;
/* Set number of descriptors to build */
heth->RxDescList.RxBuildDescCnt = ETH_RX_DESC_CNT;
/* Build all descriptors */
ETH_UpdateDescriptor(heth);
/* Enable the MAC transmission */
SET_BIT(heth->Instance->MACCR, ETH_MACCR_TE);
/* Enable the MAC reception */
SET_BIT(heth->Instance->MACCR, ETH_MACCR_RE);
/* Set the Flush Transmit FIFO bit */
SET_BIT(heth->Instance->MTLTQOMR, ETH_MTLTQOMR_FTQ);
/* Enable the DMA transmission */
SET_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_ST);
/* Enable the DMA reception */
SET_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_SR);
/* Clear Tx and Rx process stopped flags */
heth->Instance->DMACSR |= (ETH_DMACSR_TPS | ETH_DMACSR_RPS);
heth->gState = HAL_ETH_STATE_STARTED;
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Enables Ethernet MAC and DMA reception/transmission in Interrupt mode
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Start_IT(ETH_HandleTypeDef *heth)
{
if (heth->gState == HAL_ETH_STATE_READY)
{
heth->gState = HAL_ETH_STATE_BUSY;
/* save IT mode to ETH Handle */
heth->RxDescList.ItMode = 1U;
/* Set number of descriptors to build */
heth->RxDescList.RxBuildDescCnt = ETH_RX_DESC_CNT;
/* Build all descriptors */
ETH_UpdateDescriptor(heth);
/* Enable the DMA transmission */
SET_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_ST);
/* Enable the DMA reception */
SET_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_SR);
/* Clear Tx and Rx process stopped flags */
heth->Instance->DMACSR |= (ETH_DMACSR_TPS | ETH_DMACSR_RPS);
/* Set the Flush Transmit FIFO bit */
SET_BIT(heth->Instance->MTLTQOMR, ETH_MTLTQOMR_FTQ);
/* Enable the MAC transmission */
SET_BIT(heth->Instance->MACCR, ETH_MACCR_TE);
/* Enable the MAC reception */
SET_BIT(heth->Instance->MACCR, ETH_MACCR_RE);
/* Enable ETH DMA interrupts:
- Tx complete interrupt
- Rx complete interrupt
- Fatal bus interrupt
*/
__HAL_ETH_DMA_ENABLE_IT(heth, (ETH_DMACIER_NIE | ETH_DMACIER_RIE | ETH_DMACIER_TIE |
ETH_DMACIER_FBEE | ETH_DMACIER_AIE | ETH_DMACIER_RBUE));
heth->gState = HAL_ETH_STATE_STARTED;
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Stop Ethernet MAC and DMA reception/transmission
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Stop(ETH_HandleTypeDef *heth)
{
if (heth->gState == HAL_ETH_STATE_STARTED)
{
/* Set the ETH peripheral state to BUSY */
heth->gState = HAL_ETH_STATE_BUSY;
/* Disable the DMA transmission */
CLEAR_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_ST);
/* Disable the DMA reception */
CLEAR_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_SR);
/* Disable the MAC reception */
CLEAR_BIT(heth->Instance->MACCR, ETH_MACCR_RE);
/* Set the Flush Transmit FIFO bit */
SET_BIT(heth->Instance->MTLTQOMR, ETH_MTLTQOMR_FTQ);
/* Disable the MAC transmission */
CLEAR_BIT(heth->Instance->MACCR, ETH_MACCR_TE);
heth->gState = HAL_ETH_STATE_READY;
/* Return function status */
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Stop Ethernet MAC and DMA reception/transmission in Interrupt mode
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Stop_IT(ETH_HandleTypeDef *heth)
{
ETH_DMADescTypeDef *dmarxdesc;
uint32_t descindex;
if (heth->gState == HAL_ETH_STATE_STARTED)
{
/* Set the ETH peripheral state to BUSY */
heth->gState = HAL_ETH_STATE_BUSY;
/* Disable interrupts:
- Tx complete interrupt
- Rx complete interrupt
- Fatal bus interrupt
*/
__HAL_ETH_DMA_DISABLE_IT(heth, (ETH_DMACIER_NIE | ETH_DMACIER_RIE | ETH_DMACIER_TIE |
ETH_DMACIER_FBEE | ETH_DMACIER_AIE | ETH_DMACIER_RBUE));
/* Disable the DMA transmission */
CLEAR_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_ST);
/* Disable the DMA reception */
CLEAR_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_SR);
/* Disable the MAC reception */
CLEAR_BIT(heth->Instance->MACCR, ETH_MACCR_RE);
/* Set the Flush Transmit FIFO bit */
SET_BIT(heth->Instance->MTLTQOMR, ETH_MTLTQOMR_FTQ);
/* Disable the MAC transmission */
CLEAR_BIT(heth->Instance->MACCR, ETH_MACCR_TE);
/* Clear IOC bit to all Rx descriptors */
for (descindex = 0; descindex < (uint32_t)ETH_RX_DESC_CNT; descindex++)
{
dmarxdesc = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descindex];
CLEAR_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCRF_IOC);
}
heth->RxDescList.ItMode = 0U;
heth->gState = HAL_ETH_STATE_READY;
/* Return function status */
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Sends an Ethernet Packet in polling mode.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pTxConfig: Hold the configuration of packet to be transmitted
* @param Timeout: timeout value
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Transmit(ETH_HandleTypeDef *heth, ETH_TxPacketConfigTypeDef *pTxConfig, uint32_t Timeout)
{
uint32_t tickstart;
ETH_DMADescTypeDef *dmatxdesc;
if (pTxConfig == NULL)
{
heth->ErrorCode |= HAL_ETH_ERROR_PARAM;
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_STARTED)
{
/* Config DMA Tx descriptor by Tx Packet info */
if (ETH_Prepare_Tx_Descriptors(heth, pTxConfig, 0) != HAL_ETH_ERROR_NONE)
{
/* Set the ETH error code */
heth->ErrorCode |= HAL_ETH_ERROR_BUSY;
return HAL_ERROR;
}
/* Ensure completion of descriptor preparation before transmission start */
__DSB();
dmatxdesc = (ETH_DMADescTypeDef *)(&heth->TxDescList)->TxDesc[heth->TxDescList.CurTxDesc];
/* Incr current tx desc index */
INCR_TX_DESC_INDEX(heth->TxDescList.CurTxDesc, 1U);
/* Start transmission */
/* issue a poll command to Tx DMA by writing address of next immediate free descriptor */
WRITE_REG(heth->Instance->DMACTDTPR, (uint32_t)(heth->TxDescList.TxDesc[heth->TxDescList.CurTxDesc]));
tickstart = HAL_GetTick();
/* Wait for data to be transmitted or timeout occurred */
while ((dmatxdesc->DESC3 & ETH_DMATXNDESCWBF_OWN) != (uint32_t)RESET)
{
if ((heth->Instance->DMACSR & ETH_DMACSR_FBE) != (uint32_t)RESET)
{
heth->ErrorCode |= HAL_ETH_ERROR_DMA;
heth->DMAErrorCode = heth->Instance->DMACSR;
/* Return function status */
return HAL_ERROR;
}
/* Check for the Timeout */
if (Timeout != HAL_MAX_DELAY)
{
if (((HAL_GetTick() - tickstart) > Timeout) || (Timeout == 0U))
{
heth->ErrorCode |= HAL_ETH_ERROR_TIMEOUT;
/* Clear TX descriptor so that we can proceed */
dmatxdesc->DESC3 = (ETH_DMATXNDESCWBF_FD | ETH_DMATXNDESCWBF_LD);
return HAL_ERROR;
}
}
}
/* Return function status */
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Sends an Ethernet Packet in interrupt mode.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pTxConfig: Hold the configuration of packet to be transmitted
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_Transmit_IT(ETH_HandleTypeDef *heth, ETH_TxPacketConfigTypeDef *pTxConfig)
{
if (pTxConfig == NULL)
{
heth->ErrorCode |= HAL_ETH_ERROR_PARAM;
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_STARTED)
{
/* Save the packet pointer to release. */
heth->TxDescList.CurrentPacketAddress = (uint32_t *)pTxConfig->pData;
/* Config DMA Tx descriptor by Tx Packet info */
if (ETH_Prepare_Tx_Descriptors(heth, pTxConfig, 1) != HAL_ETH_ERROR_NONE)
{
heth->ErrorCode |= HAL_ETH_ERROR_BUSY;
return HAL_ERROR;
}
/* Ensure completion of descriptor preparation before transmission start */
__DSB();
/* Incr current tx desc index */
INCR_TX_DESC_INDEX(heth->TxDescList.CurTxDesc, 1U);
/* Start transmission */
/* issue a poll command to Tx DMA by writing address of next immediate free descriptor */
WRITE_REG(heth->Instance->DMACTDTPR, (uint32_t)(heth->TxDescList.TxDesc[heth->TxDescList.CurTxDesc]));
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Read a received packet.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pAppBuff: Pointer to an application buffer to receive the packet.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_ReadData(ETH_HandleTypeDef *heth, void **pAppBuff)
{
uint32_t descidx;
ETH_DMADescTypeDef *dmarxdesc;
uint32_t desccnt = 0U;
uint32_t desccntmax;
uint32_t bufflength;
uint8_t rxdataready = 0U;
if (pAppBuff == NULL)
{
heth->ErrorCode |= HAL_ETH_ERROR_PARAM;
return HAL_ERROR;
}
if (heth->gState != HAL_ETH_STATE_STARTED)
{
return HAL_ERROR;
}
descidx = heth->RxDescList.RxDescIdx;
dmarxdesc = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descidx];
desccntmax = ETH_RX_DESC_CNT - heth->RxDescList.RxBuildDescCnt;
/* Check if descriptor is not owned by DMA */
while ((READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_OWN) == (uint32_t)RESET) && (desccnt < desccntmax)
&& (rxdataready == 0U))
{
if (READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_CTXT) != (uint32_t)RESET)
{
/* Get timestamp high */
heth->RxDescList.TimeStamp.TimeStampHigh = dmarxdesc->DESC1;
/* Get timestamp low */
heth->RxDescList.TimeStamp.TimeStampLow = dmarxdesc->DESC0;
}
if ((READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_FD) != (uint32_t)RESET) || (heth->RxDescList.pRxStart != NULL))
{
/* Check if first descriptor */
if (READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_FD) != (uint32_t)RESET)
{
heth->RxDescList.RxDescCnt = 0;
heth->RxDescList.RxDataLength = 0;
}
/* Get the Frame Length of the received packet: substruct 4 bytes of the CRC */
bufflength = READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_PL) - heth->RxDescList.RxDataLength;
/* Check if last descriptor */
if (READ_BIT(dmarxdesc->DESC3, ETH_DMARXNDESCWBF_LD) != (uint32_t)RESET)
{
/* Save Last descriptor index */
heth->RxDescList.pRxLastRxDesc = dmarxdesc->DESC3;
/* Packet ready */
rxdataready = 1;
}
/* Link data */
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/*Call registered Link callback*/
heth->rxLinkCallback(&heth->RxDescList.pRxStart, &heth->RxDescList.pRxEnd,
(uint8_t *)dmarxdesc->BackupAddr0, bufflength);
#else
/* Link callback */
HAL_ETH_RxLinkCallback(&heth->RxDescList.pRxStart, &heth->RxDescList.pRxEnd,
(uint8_t *)dmarxdesc->BackupAddr0, (uint16_t) bufflength);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
heth->RxDescList.RxDescCnt++;
heth->RxDescList.RxDataLength += bufflength;
/* Clear buffer pointer */
dmarxdesc->BackupAddr0 = 0;
}
/* Increment current rx descriptor index */
INCR_RX_DESC_INDEX(descidx, 1U);
/* Get current descriptor address */
dmarxdesc = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descidx];
desccnt++;
}
heth->RxDescList.RxBuildDescCnt += desccnt;
if ((heth->RxDescList.RxBuildDescCnt) != 0U)
{
/* Update Descriptors */
ETH_UpdateDescriptor(heth);
}
heth->RxDescList.RxDescIdx = descidx;
if (rxdataready == 1U)
{
/* Return received packet */
*pAppBuff = heth->RxDescList.pRxStart;
/* Reset first element */
heth->RxDescList.pRxStart = NULL;
return HAL_OK;
}
/* Packet not ready */
return HAL_ERROR;
}
/**
* @brief This function gives back Rx Desc of the last received Packet
* to the DMA, so ETH DMA will be able to use these descriptors
* to receive next Packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
static void ETH_UpdateDescriptor(ETH_HandleTypeDef *heth)
{
uint32_t descidx;
uint32_t tailidx;
uint32_t desccount;
ETH_DMADescTypeDef *dmarxdesc;
uint8_t *buff = NULL;
uint8_t allocStatus = 1U;
descidx = heth->RxDescList.RxBuildDescIdx;
dmarxdesc = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descidx];
desccount = heth->RxDescList.RxBuildDescCnt;
while ((desccount > 0U) && (allocStatus != 0U))
{
/* Check if a buffer's attached the descriptor */
if (READ_REG(dmarxdesc->BackupAddr0) == 0U)
{
/* Get a new buffer. */
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/*Call registered Allocate callback*/
heth->rxAllocateCallback(&buff);
#else
/* Allocate callback */
HAL_ETH_RxAllocateCallback(&buff);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
if (buff == NULL)
{
allocStatus = 0U;
}
else
{
WRITE_REG(dmarxdesc->BackupAddr0, (uint32_t)buff);
WRITE_REG(dmarxdesc->DESC0, (uint32_t)buff);
}
}
if (allocStatus != 0U)
{
if (heth->RxDescList.ItMode != 0U)
{
WRITE_REG(dmarxdesc->DESC3, ETH_DMARXNDESCRF_OWN | ETH_DMARXNDESCRF_BUF1V | ETH_DMARXNDESCRF_IOC);
}
else
{
WRITE_REG(dmarxdesc->DESC3, ETH_DMARXNDESCRF_OWN | ETH_DMARXNDESCRF_BUF1V);
}
/* Increment current rx descriptor index */
INCR_RX_DESC_INDEX(descidx, 1U);
/* Get current descriptor address */
dmarxdesc = (ETH_DMADescTypeDef *)heth->RxDescList.RxDesc[descidx];
desccount--;
}
}
if (heth->RxDescList.RxBuildDescCnt != desccount)
{
/* Set the tail pointer index */
tailidx = (descidx + 1U) % ETH_RX_DESC_CNT;
/* DMB instruction to avoid race condition */
__DMB();
/* Set the Tail pointer address */
WRITE_REG(heth->Instance->DMACRDTPR, ((uint32_t)(heth->Init.RxDesc + (tailidx))));
heth->RxDescList.RxBuildDescIdx = descidx;
heth->RxDescList.RxBuildDescCnt = desccount;
}
}
/**
* @brief Register the Rx alloc callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param rxAllocateCallback: pointer to function to alloc buffer
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_RegisterRxAllocateCallback(ETH_HandleTypeDef *heth,
pETH_rxAllocateCallbackTypeDef rxAllocateCallback)
{
if (rxAllocateCallback == NULL)
{
/* No buffer to save */
return HAL_ERROR;
}
/* Set function to allocate buffer */
heth->rxAllocateCallback = rxAllocateCallback;
return HAL_OK;
}
/**
* @brief Unregister the Rx alloc callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_UnRegisterRxAllocateCallback(ETH_HandleTypeDef *heth)
{
/* Set function to allocate buffer */
heth->rxAllocateCallback = HAL_ETH_RxAllocateCallback;
return HAL_OK;
}
/**
* @brief Rx Allocate callback.
* @param buff: pointer to allocated buffer
* @retval None
*/
__weak void HAL_ETH_RxAllocateCallback(uint8_t **buff)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(buff);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_RxAllocateCallback could be implemented in the user file
*/
}
/**
* @brief Rx Link callback.
* @param pStart: pointer to packet start
* @param pEnd: pointer to packet end
* @param buff: pointer to received data
* @param Length: received data length
* @retval None
*/
__weak void HAL_ETH_RxLinkCallback(void **pStart, void **pEnd, uint8_t *buff, uint16_t Length)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(pStart);
UNUSED(pEnd);
UNUSED(buff);
UNUSED(Length);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_RxLinkCallback could be implemented in the user file
*/
}
/**
* @brief Set the Rx link data function.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param rxLinkCallback: pointer to function to link data
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_RegisterRxLinkCallback(ETH_HandleTypeDef *heth, pETH_rxLinkCallbackTypeDef rxLinkCallback)
{
if (rxLinkCallback == NULL)
{
/* No buffer to save */
return HAL_ERROR;
}
/* Set function to link data */
heth->rxLinkCallback = rxLinkCallback;
return HAL_OK;
}
/**
* @brief Unregister the Rx link callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_UnRegisterRxLinkCallback(ETH_HandleTypeDef *heth)
{
/* Set function to allocate buffer */
heth->rxLinkCallback = HAL_ETH_RxLinkCallback;
return HAL_OK;
}
/**
* @brief Get the error state of the last received packet.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pErrorCode: pointer to uint32_t to hold the error code
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_GetRxDataErrorCode(const ETH_HandleTypeDef *heth, uint32_t *pErrorCode)
{
/* Get error bits. */
*pErrorCode = READ_BIT(heth->RxDescList.pRxLastRxDesc, ETH_DMARXNDESCWBF_ERRORS_MASK);
return HAL_OK;
}
/**
* @brief Set the Tx free function.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param txFreeCallback: pointer to function to release the packet
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_RegisterTxFreeCallback(ETH_HandleTypeDef *heth, pETH_txFreeCallbackTypeDef txFreeCallback)
{
if (txFreeCallback == NULL)
{
/* No buffer to save */
return HAL_ERROR;
}
/* Set function to free transmmitted packet */
heth->txFreeCallback = txFreeCallback;
return HAL_OK;
}
/**
* @brief Unregister the Tx free callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_UnRegisterTxFreeCallback(ETH_HandleTypeDef *heth)
{
/* Set function to allocate buffer */
heth->txFreeCallback = HAL_ETH_TxFreeCallback;
return HAL_OK;
}
/**
* @brief Tx Free callback.
* @param buff: pointer to buffer to free
* @retval None
*/
__weak void HAL_ETH_TxFreeCallback(uint32_t *buff)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(buff);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_TxFreeCallback could be implemented in the user file
*/
}
/**
* @brief Release transmitted Tx packets.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_ReleaseTxPacket(ETH_HandleTypeDef *heth)
{
ETH_TxDescListTypeDef *dmatxdesclist = &heth->TxDescList;
uint32_t numOfBuf = dmatxdesclist->BuffersInUse;
uint32_t idx = dmatxdesclist->releaseIndex;
uint8_t pktTxStatus = 1U;
uint8_t pktInUse;
#ifdef HAL_ETH_USE_PTP
ETH_TimeStampTypeDef *timestamp = &heth->TxTimestamp;
#endif /* HAL_ETH_USE_PTP */
/* Loop through buffers in use. */
while ((numOfBuf != 0U) && (pktTxStatus != 0U))
{
pktInUse = 1U;
numOfBuf--;
/* If no packet, just examine the next packet. */
if (dmatxdesclist->PacketAddress[idx] == NULL)
{
/* No packet in use, skip to next. */
INCR_TX_DESC_INDEX(idx, 1U);
pktInUse = 0U;
}
if (pktInUse != 0U)
{
/* Determine if the packet has been transmitted. */
if ((heth->Init.TxDesc[idx].DESC3 & ETH_DMATXNDESCRF_OWN) == 0U)
{
#ifdef HAL_ETH_USE_PTP
/* Disable Ptp transmission */
CLEAR_BIT(heth->Init.TxDesc[idx].DESC3, (0x40000000U));
if ((heth->Init.TxDesc[idx].DESC3 & ETH_DMATXNDESCWBF_LD)
&& (heth->Init.TxDesc[idx].DESC3 & ETH_DMATXNDESCWBF_TTSS))
{
/* Get timestamp low */
timestamp->TimeStampLow = heth->Init.TxDesc[idx].DESC0;
/* Get timestamp high */
timestamp->TimeStampHigh = heth->Init.TxDesc[idx].DESC1;
}
else
{
timestamp->TimeStampHigh = timestamp->TimeStampLow = UINT32_MAX;
}
#endif /* HAL_ETH_USE_PTP */
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/*Call registered callbacks*/
#ifdef HAL_ETH_USE_PTP
/* Handle Ptp */
if (timestamp->TimeStampHigh != UINT32_MAX && timestamp->TimeStampLow != UINT32_MAX)
{
heth->txPtpCallback(dmatxdesclist->PacketAddress[idx], timestamp);
}
#endif /* HAL_ETH_USE_PTP */
/* Release the packet. */
heth->txFreeCallback(dmatxdesclist->PacketAddress[idx]);
#else
/* Call callbacks */
#ifdef HAL_ETH_USE_PTP
/* Handle Ptp */
if (timestamp->TimeStampHigh != UINT32_MAX && timestamp->TimeStampLow != UINT32_MAX)
{
HAL_ETH_TxPtpCallback(dmatxdesclist->PacketAddress[idx], timestamp);
}
#endif /* HAL_ETH_USE_PTP */
/* Release the packet. */
HAL_ETH_TxFreeCallback(dmatxdesclist->PacketAddress[idx]);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
/* Clear the entry in the in-use array. */
dmatxdesclist->PacketAddress[idx] = NULL;
/* Update the transmit relesae index and number of buffers in use. */
INCR_TX_DESC_INDEX(idx, 1U);
dmatxdesclist->BuffersInUse = numOfBuf;
dmatxdesclist->releaseIndex = idx;
}
else
{
/* Get out of the loop! */
pktTxStatus = 0U;
}
}
}
return HAL_OK;
}
#ifdef HAL_ETH_USE_PTP
/**
* @brief Set the Ethernet PTP configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param ptpconfig: pointer to a ETH_PTP_ConfigTypeDef structure that contains
* the configuration information for PTP
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_SetConfig(ETH_HandleTypeDef *heth, ETH_PTP_ConfigTypeDef *ptpconfig)
{
uint32_t tmpTSCR;
ETH_TimeTypeDef time;
if (ptpconfig == NULL)
{
return HAL_ERROR;
}
tmpTSCR = ptpconfig->Timestamp |
((uint32_t)ptpconfig->TimestampUpdate << ETH_MACTSCR_TSUPDT_Pos) |
((uint32_t)ptpconfig->TimestampAll << ETH_MACTSCR_TSENALL_Pos) |
((uint32_t)ptpconfig->TimestampRolloverMode << ETH_MACTSCR_TSCTRLSSR_Pos) |
((uint32_t)ptpconfig->TimestampV2 << ETH_MACTSCR_TSVER2ENA_Pos) |
((uint32_t)ptpconfig->TimestampEthernet << ETH_MACTSCR_TSIPENA_Pos) |
((uint32_t)ptpconfig->TimestampIPv6 << ETH_MACTSCR_TSIPV6ENA_Pos) |
((uint32_t)ptpconfig->TimestampIPv4 << ETH_MACTSCR_TSIPV4ENA_Pos) |
((uint32_t)ptpconfig->TimestampEvent << ETH_MACTSCR_TSEVNTENA_Pos) |
((uint32_t)ptpconfig->TimestampMaster << ETH_MACTSCR_TSMSTRENA_Pos) |
((uint32_t)ptpconfig->TimestampSnapshots << ETH_MACTSCR_SNAPTYPSEL_Pos) |
((uint32_t)ptpconfig->TimestampFilter << ETH_MACTSCR_TSENMACADDR_Pos) |
((uint32_t)ptpconfig->TimestampChecksumCorrection << ETH_MACTSCR_CSC_Pos) |
((uint32_t)ptpconfig->TimestampStatusMode << ETH_MACTSCR_TXTSSTSM_Pos);
/* Write to MACTSCR */
MODIFY_REG(heth->Instance->MACTSCR, ETH_MACTSCR_MASK, tmpTSCR);
/* Enable Timestamp */
SET_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSENA);
WRITE_REG(heth->Instance->MACSSIR, ptpconfig->TimestampSubsecondInc);
WRITE_REG(heth->Instance->MACTSAR, ptpconfig->TimestampAddend);
/* Enable Timestamp */
if (ptpconfig->TimestampAddendUpdate == ENABLE)
{
SET_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSADDREG);
while ((heth->Instance->MACTSCR & ETH_MACTSCR_TSADDREG) != 0)
{
}
}
/* Ptp Init */
SET_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSINIT);
/* Set PTP Configuration done */
heth->IsPtpConfigured = HAL_ETH_PTP_CONFIGURED;
/* Set Seconds */
time.Seconds = heth->Instance->MACSTSR;
/* Set NanoSeconds */
time.NanoSeconds = heth->Instance->MACSTNR;
HAL_ETH_PTP_SetTime(heth, &time);
/* Return function status */
return HAL_OK;
}
/**
* @brief Get the Ethernet PTP configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param ptpconfig: pointer to a ETH_PTP_ConfigTypeDef structure that contains
* the configuration information for PTP
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_GetConfig(ETH_HandleTypeDef *heth, ETH_PTP_ConfigTypeDef *ptpconfig)
{
if (ptpconfig == NULL)
{
return HAL_ERROR;
}
ptpconfig->Timestamp = READ_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSENA);
ptpconfig->TimestampUpdate = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSCFUPDT) >> ETH_MACTSCR_TSUPDT_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampAll = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSENALL) >> ETH_MACTSCR_TSENALL_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampRolloverMode = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSCTRLSSR) >> ETH_MACTSCR_TSCTRLSSR_Pos) > 0U)
? ENABLE : DISABLE;
ptpconfig->TimestampV2 = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSVER2ENA) >> ETH_MACTSCR_TSVER2ENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampEthernet = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSIPENA) >> ETH_MACTSCR_TSIPENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampIPv6 = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSIPV6ENA) >> ETH_MACTSCR_TSIPV6ENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampIPv4 = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSIPV4ENA) >> ETH_MACTSCR_TSIPV4ENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampEvent = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSEVNTENA) >> ETH_MACTSCR_TSEVNTENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampMaster = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSMSTRENA) >> ETH_MACTSCR_TSMSTRENA_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampSnapshots = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_SNAPTYPSEL) >> ETH_MACTSCR_SNAPTYPSEL_Pos) > 0U)
? ENABLE : DISABLE;
ptpconfig->TimestampFilter = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TSENMACADDR) >> ETH_MACTSCR_TSENMACADDR_Pos) > 0U)
? ENABLE : DISABLE;
ptpconfig->TimestampChecksumCorrection = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_CSC) >> ETH_MACTSCR_CSC_Pos) > 0U) ? ENABLE : DISABLE;
ptpconfig->TimestampStatusMode = ((READ_BIT(heth->Instance->MACTSCR,
ETH_MACTSCR_TXTSSTSM) >> ETH_MACTSCR_TXTSSTSM_Pos) > 0U)
? ENABLE : DISABLE;
/* Return function status */
return HAL_OK;
}
/**
* @brief Set Seconds and Nanoseconds for the Ethernet PTP registers.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param time: pointer to a ETH_TimeTypeDef structure that contains
* time to set
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_SetTime(ETH_HandleTypeDef *heth, ETH_TimeTypeDef *time)
{
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
/* Set Seconds */
heth->Instance->MACSTSUR = time->Seconds;
/* Set NanoSeconds */
heth->Instance->MACSTNUR = time->NanoSeconds;
/* the system time is updated */
SET_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSUPDT);
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Get Seconds and Nanoseconds for the Ethernet PTP registers.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param time: pointer to a ETH_TimeTypeDef structure that contains
* time to get
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_GetTime(ETH_HandleTypeDef *heth, ETH_TimeTypeDef *time)
{
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
/* Get Seconds */
time->Seconds = heth->Instance->MACSTSR;
/* Get NanoSeconds */
time->NanoSeconds = heth->Instance->MACSTNR;
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Update time for the Ethernet PTP registers.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param timeoffset: pointer to a ETH_PtpUpdateTypeDef structure that contains
* the time update information
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_AddTimeOffset(ETH_HandleTypeDef *heth, ETH_PtpUpdateTypeDef ptpoffsettype,
ETH_TimeTypeDef *timeoffset)
{
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
if (ptpoffsettype == HAL_ETH_PTP_NEGATIVE_UPDATE)
{
/* Set Seconds update */
heth->Instance->MACSTSUR = ETH_MACSTSUR_VALUE - timeoffset->Seconds + 1U;
if (READ_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSCTRLSSR) == ETH_MACTSCR_TSCTRLSSR)
{
/* Set nanoSeconds update */
heth->Instance->MACSTNUR = ETH_MACSTNUR_VALUE - timeoffset->NanoSeconds;
}
else
{
/* Set nanoSeconds update */
heth->Instance->MACSTNUR = ETH_MACSTSUR_VALUE - timeoffset->NanoSeconds + 1U;
}
}
else
{
/* Set Seconds update */
heth->Instance->MACSTSUR = timeoffset->Seconds;
/* Set nanoSeconds update */
heth->Instance->MACSTNUR = timeoffset->NanoSeconds;
}
SET_BIT(heth->Instance->MACTSCR, ETH_MACTSCR_TSUPDT);
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Insert Timestamp in transmission.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_InsertTxTimestamp(ETH_HandleTypeDef *heth)
{
ETH_TxDescListTypeDef *dmatxdesclist = &heth->TxDescList;
uint32_t descidx = dmatxdesclist->CurTxDesc;
ETH_DMADescTypeDef *dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
/* Enable Time Stamp transmission */
SET_BIT(dmatxdesc->DESC2, ETH_DMATXNDESCRF_TTSE);
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Get transmission timestamp.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param timestamp: pointer to ETH_TIMESTAMPTypeDef structure that contains
* transmission timestamp
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_GetTxTimestamp(ETH_HandleTypeDef *heth, ETH_TimeStampTypeDef *timestamp)
{
ETH_TxDescListTypeDef *dmatxdesclist = &heth->TxDescList;
uint32_t idx = dmatxdesclist->releaseIndex;
ETH_DMADescTypeDef *dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[idx];
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
/* Get timestamp low */
timestamp->TimeStampLow = dmatxdesc->DESC0;
/* Get timestamp high */
timestamp->TimeStampHigh = dmatxdesc->DESC1;
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Get receive timestamp.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param timestamp: pointer to ETH_TIMESTAMPTypeDef structure that contains
* receive timestamp
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_PTP_GetRxTimestamp(ETH_HandleTypeDef *heth, ETH_TimeStampTypeDef *timestamp)
{
if (heth->IsPtpConfigured == HAL_ETH_PTP_CONFIGURED)
{
/* Get timestamp low */
timestamp->TimeStampLow = heth->RxDescList.TimeStamp.TimeStampLow;
/* Get timestamp high */
timestamp->TimeStampHigh = heth->RxDescList.TimeStamp.TimeStampHigh;
/* Return function status */
return HAL_OK;
}
else
{
/* Return function status */
return HAL_ERROR;
}
}
/**
* @brief Register the Tx Ptp callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param txPtpCallback: Function to handle Ptp transmission
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_RegisterTxPtpCallback(ETH_HandleTypeDef *heth, pETH_txPtpCallbackTypeDef txPtpCallback)
{
if (txPtpCallback == NULL)
{
/* No buffer to save */
return HAL_ERROR;
}
/* Set Function to handle Tx Ptp */
heth->txPtpCallback = txPtpCallback;
return HAL_OK;
}
/**
* @brief Unregister the Tx Ptp callback.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_UnRegisterTxPtpCallback(ETH_HandleTypeDef *heth)
{
/* Set function to allocate buffer */
heth->txPtpCallback = HAL_ETH_TxPtpCallback;
return HAL_OK;
}
/**
* @brief Tx Ptp callback.
* @param buff: pointer to application buffer
* @param timestamp: pointer to ETH_TimeStampTypeDef structure that contains
* transmission timestamp
* @retval None
*/
__weak void HAL_ETH_TxPtpCallback(uint32_t *buff, ETH_TimeStampTypeDef *timestamp)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(buff);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_TxPtpCallback could be implemented in the user file
*/
}
#endif /* HAL_ETH_USE_PTP */
/**
* @brief This function handles ETH interrupt request.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
void HAL_ETH_IRQHandler(ETH_HandleTypeDef *heth)
{
uint32_t mac_flag = READ_REG(heth->Instance->MACISR);
uint32_t dma_flag = READ_REG(heth->Instance->DMACSR);
uint32_t dma_itsource = READ_REG(heth->Instance->DMACIER);
uint32_t exti_d1_flag = READ_REG(EXTI_D1->PR3);
#if defined(DUAL_CORE)
uint32_t exti_d2_flag = READ_REG(EXTI_D2->PR3);
#endif /* DUAL_CORE */
/* Packet received */
if (((dma_flag & ETH_DMACSR_RI) != 0U) && ((dma_itsource & ETH_DMACIER_RIE) != 0U))
{
/* Clear the Eth DMA Rx IT pending bits */
__HAL_ETH_DMA_CLEAR_IT(heth, ETH_DMACSR_RI | ETH_DMACSR_NIS);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/*Call registered Receive complete callback*/
heth->RxCpltCallback(heth);
#else
/* Receive complete callback */
HAL_ETH_RxCpltCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
/* Packet transmitted */
if (((dma_flag & ETH_DMACSR_TI) != 0U) && ((dma_itsource & ETH_DMACIER_TIE) != 0U))
{
/* Clear the Eth DMA Tx IT pending bits */
__HAL_ETH_DMA_CLEAR_IT(heth, ETH_DMACSR_TI | ETH_DMACSR_NIS);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/*Call registered Transmit complete callback*/
heth->TxCpltCallback(heth);
#else
/* Transfer complete callback */
HAL_ETH_TxCpltCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
/* ETH DMA Error */
if (((dma_flag & ETH_DMACSR_AIS) != 0U) && ((dma_itsource & ETH_DMACIER_AIE) != 0U))
{
heth->ErrorCode |= HAL_ETH_ERROR_DMA;
/* if fatal bus error occurred */
if ((dma_flag & ETH_DMACSR_FBE) != 0U)
{
/* Get DMA error code */
heth->DMAErrorCode = READ_BIT(heth->Instance->DMACSR, (ETH_DMACSR_FBE | ETH_DMACSR_TPS | ETH_DMACSR_RPS));
/* Disable all interrupts */
__HAL_ETH_DMA_DISABLE_IT(heth, ETH_DMACIER_NIE | ETH_DMACIER_AIE);
/* Set HAL state to ERROR */
heth->gState = HAL_ETH_STATE_ERROR;
}
else
{
/* Get DMA error status */
heth->DMAErrorCode = READ_BIT(heth->Instance->DMACSR, (ETH_DMACSR_CDE | ETH_DMACSR_ETI | ETH_DMACSR_RWT |
ETH_DMACSR_RBU | ETH_DMACSR_AIS));
/* Clear the interrupt summary flag */
__HAL_ETH_DMA_CLEAR_IT(heth, (ETH_DMACSR_CDE | ETH_DMACSR_ETI | ETH_DMACSR_RWT |
ETH_DMACSR_RBU | ETH_DMACSR_AIS));
}
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered Error callback*/
heth->ErrorCallback(heth);
#else
/* Ethernet DMA Error callback */
HAL_ETH_ErrorCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
/* ETH MAC Error IT */
if (((mac_flag & ETH_MACIER_RXSTSIE) == ETH_MACIER_RXSTSIE) || \
((mac_flag & ETH_MACIER_TXSTSIE) == ETH_MACIER_TXSTSIE))
{
heth->ErrorCode |= HAL_ETH_ERROR_MAC;
/* Get MAC Rx Tx status and clear Status register pending bit */
heth->MACErrorCode = READ_REG(heth->Instance->MACRXTXSR);
heth->gState = HAL_ETH_STATE_ERROR;
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered Error callback*/
heth->ErrorCallback(heth);
#else
/* Ethernet Error callback */
HAL_ETH_ErrorCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
heth->MACErrorCode = (uint32_t)(0x0U);
}
/* ETH PMT IT */
if ((mac_flag & ETH_MAC_PMT_IT) != 0U)
{
/* Get MAC Wake-up source and clear the status register pending bit */
heth->MACWakeUpEvent = READ_BIT(heth->Instance->MACPCSR, (ETH_MACPCSR_RWKPRCVD | ETH_MACPCSR_MGKPRCVD));
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered PMT callback*/
heth->PMTCallback(heth);
#else
/* Ethernet PMT callback */
HAL_ETH_PMTCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
heth->MACWakeUpEvent = (uint32_t)(0x0U);
}
/* ETH EEE IT */
if ((mac_flag & ETH_MAC_LPI_IT) != 0U)
{
/* Get MAC LPI interrupt source and clear the status register pending bit */
heth->MACLPIEvent = READ_BIT(heth->Instance->MACLCSR, 0x0000000FU);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered EEE callback*/
heth->EEECallback(heth);
#else
/* Ethernet EEE callback */
HAL_ETH_EEECallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
heth->MACLPIEvent = (uint32_t)(0x0U);
}
#if defined(DUAL_CORE)
if (HAL_GetCurrentCPUID() == CM7_CPUID)
{
/* check ETH WAKEUP exti flag */
if ((exti_d1_flag & ETH_WAKEUP_EXTI_LINE) != 0U)
{
/* Clear ETH WAKEUP Exti pending bit */
__HAL_ETH_WAKEUP_EXTI_CLEAR_FLAG(ETH_WAKEUP_EXTI_LINE);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered WakeUp callback*/
heth->WakeUpCallback(heth);
#else
/* ETH WAKEUP callback */
HAL_ETH_WakeUpCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
}
else
{
/* check ETH WAKEUP exti flag */
if ((exti_d2_flag & ETH_WAKEUP_EXTI_LINE) != 0U)
{
/* Clear ETH WAKEUP Exti pending bit */
__HAL_ETH_WAKEUP_EXTID2_CLEAR_FLAG(ETH_WAKEUP_EXTI_LINE);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered WakeUp callback*/
heth->WakeUpCallback(heth);
#else
/* ETH WAKEUP callback */
HAL_ETH_WakeUpCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
}
#else /* DUAL_CORE not defined */
/* check ETH WAKEUP exti flag */
if ((exti_d1_flag & ETH_WAKEUP_EXTI_LINE) != 0U)
{
/* Clear ETH WAKEUP Exti pending bit */
__HAL_ETH_WAKEUP_EXTI_CLEAR_FLAG(ETH_WAKEUP_EXTI_LINE);
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
/* Call registered WakeUp callback*/
heth->WakeUpCallback(heth);
#else
/* ETH WAKEUP callback */
HAL_ETH_WakeUpCallback(heth);
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
}
#endif /* DUAL_CORE */
}
/**
* @brief Tx Transfer completed callbacks.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_TxCpltCallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_TxCpltCallback could be implemented in the user file
*/
}
/**
* @brief Rx Transfer completed callbacks.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_RxCpltCallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_RxCpltCallback could be implemented in the user file
*/
}
/**
* @brief Ethernet transfer error callbacks
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_ErrorCallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_ErrorCallback could be implemented in the user file
*/
}
/**
* @brief Ethernet Power Management module IT callback
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_PMTCallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_PMTCallback could be implemented in the user file
*/
}
/**
* @brief Energy Efficient Etherent IT callback
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_EEECallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_EEECallback could be implemented in the user file
*/
}
/**
* @brief ETH WAKEUP interrupt callback
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
__weak void HAL_ETH_WakeUpCallback(ETH_HandleTypeDef *heth)
{
/* Prevent unused argument(s) compilation warning */
UNUSED(heth);
/* NOTE : This function Should not be modified, when the callback is needed,
the HAL_ETH_WakeUpCallback could be implemented in the user file
*/
}
/**
* @brief Read a PHY register
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param PHYAddr: PHY port address, must be a value from 0 to 31
* @param PHYReg: PHY register address, must be a value from 0 to 31
* @param pRegValue: parameter to hold read value
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_ReadPHYRegister(ETH_HandleTypeDef *heth, uint32_t PHYAddr, uint32_t PHYReg,
uint32_t *pRegValue)
{
uint32_t tickstart;
uint32_t tmpreg;
/* Check for the Busy flag */
if (READ_BIT(heth->Instance->MACMDIOAR, ETH_MACMDIOAR_MB) != (uint32_t)RESET)
{
return HAL_ERROR;
}
/* Get the MACMDIOAR value */
WRITE_REG(tmpreg, heth->Instance->MACMDIOAR);
/* Prepare the MDIO Address Register value
- Set the PHY device address
- Set the PHY register address
- Set the read mode
- Set the MII Busy bit */
MODIFY_REG(tmpreg, ETH_MACMDIOAR_PA, (PHYAddr << 21));
MODIFY_REG(tmpreg, ETH_MACMDIOAR_RDA, (PHYReg << 16));
MODIFY_REG(tmpreg, ETH_MACMDIOAR_MOC, ETH_MACMDIOAR_MOC_RD);
SET_BIT(tmpreg, ETH_MACMDIOAR_MB);
/* Write the result value into the MDII Address register */
WRITE_REG(heth->Instance->MACMDIOAR, tmpreg);
tickstart = HAL_GetTick();
/* Wait for the Busy flag */
while (READ_BIT(heth->Instance->MACMDIOAR, ETH_MACMDIOAR_MB) > 0U)
{
if (((HAL_GetTick() - tickstart) > ETH_MDIO_BUS_TIMEOUT))
{
return HAL_ERROR;
}
}
/* Get MACMIIDR value */
WRITE_REG(*pRegValue, (uint16_t)heth->Instance->MACMDIODR);
return HAL_OK;
}
/**
* @brief Writes to a PHY register.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param PHYAddr: PHY port address, must be a value from 0 to 31
* @param PHYReg: PHY register address, must be a value from 0 to 31
* @param RegValue: the value to write
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_WritePHYRegister(const ETH_HandleTypeDef *heth, uint32_t PHYAddr, uint32_t PHYReg,
uint32_t RegValue)
{
uint32_t tickstart;
uint32_t tmpreg;
/* Check for the Busy flag */
if (READ_BIT(heth->Instance->MACMDIOAR, ETH_MACMDIOAR_MB) != (uint32_t)RESET)
{
return HAL_ERROR;
}
/* Get the MACMDIOAR value */
WRITE_REG(tmpreg, heth->Instance->MACMDIOAR);
/* Prepare the MDIO Address Register value
- Set the PHY device address
- Set the PHY register address
- Set the write mode
- Set the MII Busy bit */
MODIFY_REG(tmpreg, ETH_MACMDIOAR_PA, (PHYAddr << 21));
MODIFY_REG(tmpreg, ETH_MACMDIOAR_RDA, (PHYReg << 16));
MODIFY_REG(tmpreg, ETH_MACMDIOAR_MOC, ETH_MACMDIOAR_MOC_WR);
SET_BIT(tmpreg, ETH_MACMDIOAR_MB);
/* Give the value to the MII data register */
WRITE_REG(ETH->MACMDIODR, (uint16_t)RegValue);
/* Write the result value into the MII Address register */
WRITE_REG(ETH->MACMDIOAR, tmpreg);
tickstart = HAL_GetTick();
/* Wait for the Busy flag */
while (READ_BIT(heth->Instance->MACMDIOAR, ETH_MACMDIOAR_MB) > 0U)
{
if (((HAL_GetTick() - tickstart) > ETH_MDIO_BUS_TIMEOUT))
{
return HAL_ERROR;
}
}
return HAL_OK;
}
/**
* @}
*/
/** @defgroup ETH_Exported_Functions_Group3 Peripheral Control functions
* @brief ETH control functions
*
@verbatim
==============================================================================
##### Peripheral Control functions #####
==============================================================================
[..]
This subsection provides a set of functions allowing to control the ETH
peripheral.
@endverbatim
* @{
*/
/**
* @brief Get the configuration of the MAC and MTL subsystems.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param macconf: pointer to a ETH_MACConfigTypeDef structure that will hold
* the configuration of the MAC.
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_ETH_GetMACConfig(const ETH_HandleTypeDef *heth, ETH_MACConfigTypeDef *macconf)
{
if (macconf == NULL)
{
return HAL_ERROR;
}
/* Get MAC parameters */
macconf->PreambleLength = READ_BIT(heth->Instance->MACCR, ETH_MACCR_PRELEN);
macconf->DeferralCheck = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_DC) >> 4) > 0U) ? ENABLE : DISABLE;
macconf->BackOffLimit = READ_BIT(heth->Instance->MACCR, ETH_MACCR_BL);
macconf->RetryTransmission = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_DR) >> 8) == 0U) ? ENABLE : DISABLE;
macconf->CarrierSenseDuringTransmit = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_DCRS) >> 9) > 0U)
? ENABLE : DISABLE;
macconf->ReceiveOwn = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_DO) >> 10) == 0U) ? ENABLE : DISABLE;
macconf->CarrierSenseBeforeTransmit = ((READ_BIT(heth->Instance->MACCR,
ETH_MACCR_ECRSFD) >> 11) > 0U) ? ENABLE : DISABLE;
macconf->LoopbackMode = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_LM) >> 12) > 0U) ? ENABLE : DISABLE;
macconf->DuplexMode = READ_BIT(heth->Instance->MACCR, ETH_MACCR_DM);
macconf->Speed = READ_BIT(heth->Instance->MACCR, ETH_MACCR_FES);
macconf->JumboPacket = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_JE) >> 16) > 0U) ? ENABLE : DISABLE;
macconf->Jabber = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_JD) >> 17) == 0U) ? ENABLE : DISABLE;
macconf->Watchdog = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_WD) >> 19) == 0U) ? ENABLE : DISABLE;
macconf->AutomaticPadCRCStrip = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_ACS) >> 20) > 0U) ? ENABLE : DISABLE;
macconf->CRCStripTypePacket = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_CST) >> 21) > 0U) ? ENABLE : DISABLE;
macconf->Support2KPacket = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_S2KP) >> 22) > 0U) ? ENABLE : DISABLE;
macconf->GiantPacketSizeLimitControl = ((READ_BIT(heth->Instance->MACCR,
ETH_MACCR_GPSLCE) >> 23) > 0U) ? ENABLE : DISABLE;
macconf->InterPacketGapVal = READ_BIT(heth->Instance->MACCR, ETH_MACCR_IPG);
macconf->ChecksumOffload = ((READ_BIT(heth->Instance->MACCR, ETH_MACCR_IPC) >> 27) > 0U) ? ENABLE : DISABLE;
macconf->SourceAddrControl = READ_BIT(heth->Instance->MACCR, ETH_MACCR_SARC);
macconf->GiantPacketSizeLimit = READ_BIT(heth->Instance->MACECR, ETH_MACECR_GPSL);
macconf->CRCCheckingRxPackets = ((READ_BIT(heth->Instance->MACECR, ETH_MACECR_DCRCC) >> 16) == 0U) ? ENABLE : DISABLE;
macconf->SlowProtocolDetect = ((READ_BIT(heth->Instance->MACECR, ETH_MACECR_SPEN) >> 17) > 0U) ? ENABLE : DISABLE;
macconf->UnicastSlowProtocolPacketDetect = ((READ_BIT(heth->Instance->MACECR,
ETH_MACECR_USP) >> 18) > 0U) ? ENABLE : DISABLE;
macconf->ExtendedInterPacketGap = ((READ_BIT(heth->Instance->MACECR, ETH_MACECR_EIPGEN) >> 24) > 0U)
? ENABLE : DISABLE;
macconf->ExtendedInterPacketGapVal = READ_BIT(heth->Instance->MACECR, ETH_MACECR_EIPG) >> 25;
macconf->ProgrammableWatchdog = ((READ_BIT(heth->Instance->MACWTR, ETH_MACWTR_PWE) >> 8) > 0U) ? ENABLE : DISABLE;
macconf->WatchdogTimeout = READ_BIT(heth->Instance->MACWTR, ETH_MACWTR_WTO);
macconf->TransmitFlowControl = ((READ_BIT(heth->Instance->MACTFCR, ETH_MACTFCR_TFE) >> 1) > 0U) ? ENABLE : DISABLE;
macconf->ZeroQuantaPause = ((READ_BIT(heth->Instance->MACTFCR, ETH_MACTFCR_DZPQ) >> 7) == 0U) ? ENABLE : DISABLE;
macconf->PauseLowThreshold = READ_BIT(heth->Instance->MACTFCR, ETH_MACTFCR_PLT);
macconf->PauseTime = (READ_BIT(heth->Instance->MACTFCR, ETH_MACTFCR_PT) >> 16);
macconf->ReceiveFlowControl = (READ_BIT(heth->Instance->MACRFCR, ETH_MACRFCR_RFE) > 0U) ? ENABLE : DISABLE;
macconf->UnicastPausePacketDetect = ((READ_BIT(heth->Instance->MACRFCR, ETH_MACRFCR_UP) >> 1) > 0U)
? ENABLE : DISABLE;
macconf->TransmitQueueMode = READ_BIT(heth->Instance->MTLTQOMR, (ETH_MTLTQOMR_TTC | ETH_MTLTQOMR_TSF));
macconf->ReceiveQueueMode = READ_BIT(heth->Instance->MTLRQOMR, (ETH_MTLRQOMR_RTC | ETH_MTLRQOMR_RSF));
macconf->ForwardRxUndersizedGoodPacket = ((READ_BIT(heth->Instance->MTLRQOMR,
ETH_MTLRQOMR_FUP) >> 3) > 0U) ? ENABLE : DISABLE;
macconf->ForwardRxErrorPacket = ((READ_BIT(heth->Instance->MTLRQOMR, ETH_MTLRQOMR_FEP) >> 4) > 0U) ? ENABLE : DISABLE;
macconf->DropTCPIPChecksumErrorPacket = ((READ_BIT(heth->Instance->MTLRQOMR,
ETH_MTLRQOMR_DISTCPEF) >> 6) == 0U) ? ENABLE : DISABLE;
return HAL_OK;
}
/**
* @brief Get the configuration of the DMA.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param dmaconf: pointer to a ETH_DMAConfigTypeDef structure that will hold
* the configuration of the ETH DMA.
* @retval HAL Status
*/
HAL_StatusTypeDef HAL_ETH_GetDMAConfig(const ETH_HandleTypeDef *heth, ETH_DMAConfigTypeDef *dmaconf)
{
if (dmaconf == NULL)
{
return HAL_ERROR;
}
dmaconf->AddressAlignedBeats = ((READ_BIT(heth->Instance->DMASBMR, ETH_DMASBMR_AAL) >> 12) > 0U) ? ENABLE : DISABLE;
dmaconf->BurstMode = READ_BIT(heth->Instance->DMASBMR, ETH_DMASBMR_FB | ETH_DMASBMR_MB);
dmaconf->RebuildINCRxBurst = ((READ_BIT(heth->Instance->DMASBMR, ETH_DMASBMR_RB) >> 15) > 0U) ? ENABLE : DISABLE;
dmaconf->DMAArbitration = READ_BIT(heth->Instance->DMAMR, (ETH_DMAMR_TXPR | ETH_DMAMR_PR | ETH_DMAMR_DA));
dmaconf->PBLx8Mode = ((READ_BIT(heth->Instance->DMACCR, ETH_DMACCR_8PBL) >> 16) > 0U) ? ENABLE : DISABLE;
dmaconf->MaximumSegmentSize = READ_BIT(heth->Instance->DMACCR, ETH_DMACCR_MSS);
dmaconf->FlushRxPacket = ((READ_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_RPF) >> 31) > 0U) ? ENABLE : DISABLE;
dmaconf->RxDMABurstLength = READ_BIT(heth->Instance->DMACRCR, ETH_DMACRCR_RPBL);
dmaconf->SecondPacketOperate = ((READ_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_OSP) >> 4) > 0U) ? ENABLE : DISABLE;
dmaconf->TCPSegmentation = ((READ_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_TSE) >> 12) > 0U) ? ENABLE : DISABLE;
dmaconf->TxDMABurstLength = READ_BIT(heth->Instance->DMACTCR, ETH_DMACTCR_TPBL);
return HAL_OK;
}
/**
* @brief Set the MAC configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param macconf: pointer to a ETH_MACConfigTypeDef structure that contains
* the configuration of the MAC.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_SetMACConfig(ETH_HandleTypeDef *heth, ETH_MACConfigTypeDef *macconf)
{
if (macconf == NULL)
{
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_READY)
{
ETH_SetMACConfig(heth, macconf);
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Set the ETH DMA configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param dmaconf: pointer to a ETH_DMAConfigTypeDef structure that will hold
* the configuration of the ETH DMA.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_SetDMAConfig(ETH_HandleTypeDef *heth, ETH_DMAConfigTypeDef *dmaconf)
{
if (dmaconf == NULL)
{
return HAL_ERROR;
}
if (heth->gState == HAL_ETH_STATE_READY)
{
ETH_SetDMAConfig(heth, dmaconf);
return HAL_OK;
}
else
{
return HAL_ERROR;
}
}
/**
* @brief Configures the Clock range of ETH MDIO interface.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
void HAL_ETH_SetMDIOClockRange(ETH_HandleTypeDef *heth)
{
uint32_t hclk;
uint32_t tmpreg;
/* Get the ETHERNET MACMDIOAR value */
tmpreg = (heth->Instance)->MACMDIOAR;
/* Clear CSR Clock Range bits */
tmpreg &= ~ETH_MACMDIOAR_CR;
/* Get hclk frequency value */
hclk = HAL_RCC_GetHCLKFreq();
/* Set CR bits depending on hclk value */
if (hclk < 35000000U)
{
/* CSR Clock Range between 0-35 MHz */
tmpreg |= (uint32_t)ETH_MACMDIOAR_CR_DIV16;
}
else if (hclk < 60000000U)
{
/* CSR Clock Range between 35-60 MHz */
tmpreg |= (uint32_t)ETH_MACMDIOAR_CR_DIV26;
}
else if (hclk < 100000000U)
{
/* CSR Clock Range between 60-100 MHz */
tmpreg |= (uint32_t)ETH_MACMDIOAR_CR_DIV42;
}
else if (hclk < 150000000U)
{
/* CSR Clock Range between 100-150 MHz */
tmpreg |= (uint32_t)ETH_MACMDIOAR_CR_DIV62;
}
else if (hclk < 250000000U)
{
/* CSR Clock Range between 150-250 MHz */
tmpreg |= (uint32_t)ETH_MACMDIOAR_CR_DIV102;
}
else /* (hclk >= 250000000U) */
{
/* CSR Clock >= 250 MHz */
tmpreg |= (uint32_t)(ETH_MACMDIOAR_CR_DIV124);
}
/* Configure the CSR Clock Range */
(heth->Instance)->MACMDIOAR = (uint32_t)tmpreg;
}
/**
* @brief Set the ETH MAC (L2) Filters configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pFilterConfig: pointer to a ETH_MACFilterConfigTypeDef structure that contains
* the configuration of the ETH MAC filters.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_SetMACFilterConfig(ETH_HandleTypeDef *heth, const ETH_MACFilterConfigTypeDef *pFilterConfig)
{
uint32_t filterconfig;
if (pFilterConfig == NULL)
{
return HAL_ERROR;
}
filterconfig = ((uint32_t)pFilterConfig->PromiscuousMode |
((uint32_t)pFilterConfig->HashUnicast << 1) |
((uint32_t)pFilterConfig->HashMulticast << 2) |
((uint32_t)pFilterConfig->DestAddrInverseFiltering << 3) |
((uint32_t)pFilterConfig->PassAllMulticast << 4) |
((uint32_t)((pFilterConfig->BroadcastFilter == DISABLE) ? 1U : 0U) << 5) |
((uint32_t)pFilterConfig->SrcAddrInverseFiltering << 8) |
((uint32_t)pFilterConfig->SrcAddrFiltering << 9) |
((uint32_t)pFilterConfig->HachOrPerfectFilter << 10) |
((uint32_t)pFilterConfig->ReceiveAllMode << 31) |
pFilterConfig->ControlPacketsFilter);
MODIFY_REG(heth->Instance->MACPFR, ETH_MACPFR_MASK, filterconfig);
return HAL_OK;
}
/**
* @brief Get the ETH MAC (L2) Filters configuration.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pFilterConfig: pointer to a ETH_MACFilterConfigTypeDef structure that will hold
* the configuration of the ETH MAC filters.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_GetMACFilterConfig(const ETH_HandleTypeDef *heth, ETH_MACFilterConfigTypeDef *pFilterConfig)
{
if (pFilterConfig == NULL)
{
return HAL_ERROR;
}
pFilterConfig->PromiscuousMode = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_PR)) > 0U) ? ENABLE : DISABLE;
pFilterConfig->HashUnicast = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_HUC) >> 1) > 0U) ? ENABLE : DISABLE;
pFilterConfig->HashMulticast = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_HMC) >> 2) > 0U) ? ENABLE : DISABLE;
pFilterConfig->DestAddrInverseFiltering = ((READ_BIT(heth->Instance->MACPFR,
ETH_MACPFR_DAIF) >> 3) > 0U) ? ENABLE : DISABLE;
pFilterConfig->PassAllMulticast = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_PM) >> 4) > 0U) ? ENABLE : DISABLE;
pFilterConfig->BroadcastFilter = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_DBF) >> 5) == 0U) ? ENABLE : DISABLE;
pFilterConfig->ControlPacketsFilter = READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_PCF);
pFilterConfig->SrcAddrInverseFiltering = ((READ_BIT(heth->Instance->MACPFR,
ETH_MACPFR_SAIF) >> 8) > 0U) ? ENABLE : DISABLE;
pFilterConfig->SrcAddrFiltering = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_SAF) >> 9) > 0U) ? ENABLE : DISABLE;
pFilterConfig->HachOrPerfectFilter = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_HPF) >> 10) > 0U)
? ENABLE : DISABLE;
pFilterConfig->ReceiveAllMode = ((READ_BIT(heth->Instance->MACPFR, ETH_MACPFR_RA) >> 31) > 0U) ? ENABLE : DISABLE;
return HAL_OK;
}
/**
* @brief Set the source MAC Address to be matched.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param AddrNbr: The MAC address to configure
* This parameter must be a value of the following:
* ETH_MAC_ADDRESS1
* ETH_MAC_ADDRESS2
* ETH_MAC_ADDRESS3
* @param pMACAddr: Pointer to MAC address buffer data (6 bytes)
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_SetSourceMACAddrMatch(const ETH_HandleTypeDef *heth, uint32_t AddrNbr,
const uint8_t *pMACAddr)
{
uint32_t macaddrlr;
uint32_t macaddrhr;
if (pMACAddr == NULL)
{
return HAL_ERROR;
}
/* Get mac addr high reg offset */
macaddrhr = ((uint32_t) &(heth->Instance->MACA0HR) + AddrNbr);
/* Get mac addr low reg offset */
macaddrlr = ((uint32_t) &(heth->Instance->MACA0LR) + AddrNbr);
/* Set MAC addr bits 32 to 47 */
(*(__IO uint32_t *)macaddrhr) = (((uint32_t)(pMACAddr[5]) << 8) | (uint32_t)pMACAddr[4]);
/* Set MAC addr bits 0 to 31 */
(*(__IO uint32_t *)macaddrlr) = (((uint32_t)(pMACAddr[3]) << 24) | ((uint32_t)(pMACAddr[2]) << 16) |
((uint32_t)(pMACAddr[1]) << 8) | (uint32_t)pMACAddr[0]);
/* Enable address and set source address bit */
(*(__IO uint32_t *)macaddrhr) |= (ETH_MACAHR_SA | ETH_MACAHR_AE);
return HAL_OK;
}
/**
* @brief Set the ETH Hash Table Value.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pHashTable: pointer to a table of two 32 bit values, that contains
* the 64 bits of the hash table.
* @retval HAL status
*/
HAL_StatusTypeDef HAL_ETH_SetHashTable(ETH_HandleTypeDef *heth, uint32_t *pHashTable)
{
if (pHashTable == NULL)
{
return HAL_ERROR;
}
heth->Instance->MACHT0R = pHashTable[0];
heth->Instance->MACHT1R = pHashTable[1];
return HAL_OK;
}
/**
* @brief Set the VLAN Identifier for Rx packets
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param ComparisonBits: 12 or 16 bit comparison mode
must be a value of @ref ETH_VLAN_Tag_Comparison
* @param VLANIdentifier: VLAN Identifier value
* @retval None
*/
void HAL_ETH_SetRxVLANIdentifier(ETH_HandleTypeDef *heth, uint32_t ComparisonBits, uint32_t VLANIdentifier)
{
if (ComparisonBits == ETH_VLANTAGCOMPARISON_16BIT)
{
MODIFY_REG(heth->Instance->MACVTR, ETH_MACVTR_VL, VLANIdentifier);
CLEAR_BIT(heth->Instance->MACVTR, ETH_MACVTR_ETV);
}
else
{
MODIFY_REG(heth->Instance->MACVTR, ETH_MACVTR_VL_VID, VLANIdentifier);
SET_BIT(heth->Instance->MACVTR, ETH_MACVTR_ETV);
}
}
/**
* @brief Enters the Power down mode.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pPowerDownConfig: a pointer to ETH_PowerDownConfigTypeDef structure
* that contains the Power Down configuration
* @retval None.
*/
void HAL_ETH_EnterPowerDownMode(ETH_HandleTypeDef *heth, const ETH_PowerDownConfigTypeDef *pPowerDownConfig)
{
uint32_t powerdownconfig;
powerdownconfig = (((uint32_t)pPowerDownConfig->MagicPacket << 1) |
((uint32_t)pPowerDownConfig->WakeUpPacket << 2) |
((uint32_t)pPowerDownConfig->GlobalUnicast << 9) |
((uint32_t)pPowerDownConfig->WakeUpForward << 10) |
ETH_MACPCSR_PWRDWN);
/* Enable PMT interrupt */
__HAL_ETH_MAC_ENABLE_IT(heth, ETH_MACIER_PMTIE);
MODIFY_REG(heth->Instance->MACPCSR, ETH_MACPCSR_MASK, powerdownconfig);
}
/**
* @brief Exits from the Power down mode.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None.
*/
void HAL_ETH_ExitPowerDownMode(ETH_HandleTypeDef *heth)
{
/* clear wake up sources */
CLEAR_BIT(heth->Instance->MACPCSR, ETH_MACPCSR_RWKPKTEN | ETH_MACPCSR_MGKPKTEN | ETH_MACPCSR_GLBLUCAST |
ETH_MACPCSR_RWKPFE);
if (READ_BIT(heth->Instance->MACPCSR, ETH_MACPCSR_PWRDWN) != (uint32_t)RESET)
{
/* Exit power down mode */
CLEAR_BIT(heth->Instance->MACPCSR, ETH_MACPCSR_PWRDWN);
}
/* Disable PMT interrupt */
__HAL_ETH_MAC_DISABLE_IT(heth, ETH_MACIER_PMTIE);
}
/**
* @brief Set the WakeUp filter.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pFilter: pointer to filter registers values
* @param Count: number of filter registers, must be from 1 to 8.
* @retval None.
*/
HAL_StatusTypeDef HAL_ETH_SetWakeUpFilter(ETH_HandleTypeDef *heth, uint32_t *pFilter, uint32_t Count)
{
uint32_t regindex;
if (pFilter == NULL)
{
return HAL_ERROR;
}
/* Reset Filter Pointer */
SET_BIT(heth->Instance->MACPCSR, ETH_MACPCSR_RWKFILTRST);
/* Wake up packet filter config */
for (regindex = 0; regindex < Count; regindex++)
{
/* Write filter regs */
WRITE_REG(heth->Instance->MACRWKPFR, pFilter[regindex]);
}
return HAL_OK;
}
/**
* @}
*/
/** @defgroup ETH_Exported_Functions_Group4 Peripheral State and Errors functions
* @brief ETH State and Errors functions
*
@verbatim
==============================================================================
##### Peripheral State and Errors functions #####
==============================================================================
[..]
This subsection provides a set of functions allowing to return the State of
ETH communication process, return Peripheral Errors occurred during communication
process
@endverbatim
* @{
*/
/**
* @brief Returns the ETH state.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL state
*/
HAL_ETH_StateTypeDef HAL_ETH_GetState(const ETH_HandleTypeDef *heth)
{
return heth->gState;
}
/**
* @brief Returns the ETH error code
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval ETH Error Code
*/
uint32_t HAL_ETH_GetError(const ETH_HandleTypeDef *heth)
{
return heth->ErrorCode;
}
/**
* @brief Returns the ETH DMA error code
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval ETH DMA Error Code
*/
uint32_t HAL_ETH_GetDMAError(const ETH_HandleTypeDef *heth)
{
return heth->DMAErrorCode;
}
/**
* @brief Returns the ETH MAC error code
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval ETH MAC Error Code
*/
uint32_t HAL_ETH_GetMACError(const ETH_HandleTypeDef *heth)
{
return heth->MACErrorCode;
}
/**
* @brief Returns the ETH MAC WakeUp event source
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval ETH MAC WakeUp event source
*/
uint32_t HAL_ETH_GetMACWakeUpSource(const ETH_HandleTypeDef *heth)
{
return heth->MACWakeUpEvent;
}
/**
* @}
*/
/**
* @}
*/
/** @addtogroup ETH_Private_Functions ETH Private Functions
* @{
*/
static void ETH_SetMACConfig(ETH_HandleTypeDef *heth, const ETH_MACConfigTypeDef *macconf)
{
uint32_t macregval;
/*------------------------ MACCR Configuration --------------------*/
macregval = (macconf->InterPacketGapVal |
macconf->SourceAddrControl |
((uint32_t)macconf->ChecksumOffload << 27) |
((uint32_t)macconf->GiantPacketSizeLimitControl << 23) |
((uint32_t)macconf->Support2KPacket << 22) |
((uint32_t)macconf->CRCStripTypePacket << 21) |
((uint32_t)macconf->AutomaticPadCRCStrip << 20) |
((uint32_t)((macconf->Watchdog == DISABLE) ? 1U : 0U) << 19) |
((uint32_t)((macconf->Jabber == DISABLE) ? 1U : 0U) << 17) |
((uint32_t)macconf->JumboPacket << 16) |
macconf->Speed |
macconf->DuplexMode |
((uint32_t)macconf->LoopbackMode << 12) |
((uint32_t)macconf->CarrierSenseBeforeTransmit << 11) |
((uint32_t)((macconf->ReceiveOwn == DISABLE) ? 1U : 0U) << 10) |
((uint32_t)macconf->CarrierSenseDuringTransmit << 9) |
((uint32_t)((macconf->RetryTransmission == DISABLE) ? 1U : 0U) << 8) |
macconf->BackOffLimit |
((uint32_t)macconf->DeferralCheck << 4) |
macconf->PreambleLength);
/* Write to MACCR */
MODIFY_REG(heth->Instance->MACCR, ETH_MACCR_MASK, macregval);
/*------------------------ MACECR Configuration --------------------*/
macregval = ((macconf->ExtendedInterPacketGapVal << 25) |
((uint32_t)macconf->ExtendedInterPacketGap << 24) |
((uint32_t)macconf->UnicastSlowProtocolPacketDetect << 18) |
((uint32_t)macconf->SlowProtocolDetect << 17) |
((uint32_t)((macconf->CRCCheckingRxPackets == DISABLE) ? 1U : 0U) << 16) |
macconf->GiantPacketSizeLimit);
/* Write to MACECR */
MODIFY_REG(heth->Instance->MACECR, ETH_MACECR_MASK, macregval);
/*------------------------ MACWTR Configuration --------------------*/
macregval = (((uint32_t)macconf->ProgrammableWatchdog << 8) |
macconf->WatchdogTimeout);
/* Write to MACWTR */
MODIFY_REG(heth->Instance->MACWTR, ETH_MACWTR_MASK, macregval);
/*------------------------ MACTFCR Configuration --------------------*/
macregval = (((uint32_t)macconf->TransmitFlowControl << 1) |
macconf->PauseLowThreshold |
((uint32_t)((macconf->ZeroQuantaPause == DISABLE) ? 1U : 0U) << 7) |
(macconf->PauseTime << 16));
/* Write to MACTFCR */
MODIFY_REG(heth->Instance->MACTFCR, ETH_MACTFCR_MASK, macregval);
/*------------------------ MACRFCR Configuration --------------------*/
macregval = ((uint32_t)macconf->ReceiveFlowControl |
((uint32_t)macconf->UnicastPausePacketDetect << 1));
/* Write to MACRFCR */
MODIFY_REG(heth->Instance->MACRFCR, ETH_MACRFCR_MASK, macregval);
/*------------------------ MTLTQOMR Configuration --------------------*/
/* Write to MTLTQOMR */
MODIFY_REG(heth->Instance->MTLTQOMR, ETH_MTLTQOMR_MASK, macconf->TransmitQueueMode);
/*------------------------ MTLRQOMR Configuration --------------------*/
macregval = (macconf->ReceiveQueueMode |
((uint32_t)((macconf->DropTCPIPChecksumErrorPacket == DISABLE) ? 1U : 0U) << 6) |
((uint32_t)macconf->ForwardRxErrorPacket << 4) |
((uint32_t)macconf->ForwardRxUndersizedGoodPacket << 3));
/* Write to MTLRQOMR */
MODIFY_REG(heth->Instance->MTLRQOMR, ETH_MTLRQOMR_MASK, macregval);
}
static void ETH_SetDMAConfig(ETH_HandleTypeDef *heth, const ETH_DMAConfigTypeDef *dmaconf)
{
uint32_t dmaregval;
/*------------------------ DMAMR Configuration --------------------*/
MODIFY_REG(heth->Instance->DMAMR, ETH_DMAMR_MASK, dmaconf->DMAArbitration);
/*------------------------ DMASBMR Configuration --------------------*/
dmaregval = (((uint32_t)dmaconf->AddressAlignedBeats << 12) |
dmaconf->BurstMode |
((uint32_t)dmaconf->RebuildINCRxBurst << 15));
MODIFY_REG(heth->Instance->DMASBMR, ETH_DMASBMR_MASK, dmaregval);
/*------------------------ DMACCR Configuration --------------------*/
dmaregval = (((uint32_t)dmaconf->PBLx8Mode << 16) |
dmaconf->MaximumSegmentSize);
MODIFY_REG(heth->Instance->DMACCR, ETH_DMACCR_MASK, dmaregval);
/*------------------------ DMACTCR Configuration --------------------*/
dmaregval = (dmaconf->TxDMABurstLength |
((uint32_t)dmaconf->SecondPacketOperate << 4) |
((uint32_t)dmaconf->TCPSegmentation << 12));
MODIFY_REG(heth->Instance->DMACTCR, ETH_DMACTCR_MASK, dmaregval);
/*------------------------ DMACRCR Configuration --------------------*/
dmaregval = (((uint32_t)dmaconf->FlushRxPacket << 31) |
dmaconf->RxDMABurstLength);
/* Write to DMACRCR */
MODIFY_REG(heth->Instance->DMACRCR, ETH_DMACRCR_MASK, dmaregval);
}
/**
* @brief Configures Ethernet MAC and DMA with default parameters.
* called by HAL_ETH_Init() API.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval HAL status
*/
static void ETH_MACDMAConfig(ETH_HandleTypeDef *heth)
{
ETH_MACConfigTypeDef macDefaultConf;
ETH_DMAConfigTypeDef dmaDefaultConf;
/*--------------- ETHERNET MAC registers default Configuration --------------*/
macDefaultConf.AutomaticPadCRCStrip = ENABLE;
macDefaultConf.BackOffLimit = ETH_BACKOFFLIMIT_10;
macDefaultConf.CarrierSenseBeforeTransmit = DISABLE;
macDefaultConf.CarrierSenseDuringTransmit = DISABLE;
macDefaultConf.ChecksumOffload = ENABLE;
macDefaultConf.CRCCheckingRxPackets = ENABLE;
macDefaultConf.CRCStripTypePacket = ENABLE;
macDefaultConf.DeferralCheck = DISABLE;
macDefaultConf.DropTCPIPChecksumErrorPacket = ENABLE;
macDefaultConf.DuplexMode = ETH_FULLDUPLEX_MODE;
macDefaultConf.ExtendedInterPacketGap = DISABLE;
macDefaultConf.ExtendedInterPacketGapVal = 0x0U;
macDefaultConf.ForwardRxErrorPacket = DISABLE;
macDefaultConf.ForwardRxUndersizedGoodPacket = DISABLE;
macDefaultConf.GiantPacketSizeLimit = 0x618U;
macDefaultConf.GiantPacketSizeLimitControl = DISABLE;
macDefaultConf.InterPacketGapVal = ETH_INTERPACKETGAP_96BIT;
macDefaultConf.Jabber = ENABLE;
macDefaultConf.JumboPacket = DISABLE;
macDefaultConf.LoopbackMode = DISABLE;
macDefaultConf.PauseLowThreshold = ETH_PAUSELOWTHRESHOLD_MINUS_4;
macDefaultConf.PauseTime = 0x0U;
macDefaultConf.PreambleLength = ETH_PREAMBLELENGTH_7;
macDefaultConf.ProgrammableWatchdog = DISABLE;
macDefaultConf.ReceiveFlowControl = DISABLE;
macDefaultConf.ReceiveOwn = ENABLE;
macDefaultConf.ReceiveQueueMode = ETH_RECEIVESTOREFORWARD;
macDefaultConf.RetryTransmission = ENABLE;
macDefaultConf.SlowProtocolDetect = DISABLE;
macDefaultConf.SourceAddrControl = ETH_SOURCEADDRESS_REPLACE_ADDR0;
macDefaultConf.Speed = ETH_SPEED_100M;
macDefaultConf.Support2KPacket = DISABLE;
macDefaultConf.TransmitQueueMode = ETH_TRANSMITSTOREFORWARD;
macDefaultConf.TransmitFlowControl = DISABLE;
macDefaultConf.UnicastPausePacketDetect = DISABLE;
macDefaultConf.UnicastSlowProtocolPacketDetect = DISABLE;
macDefaultConf.Watchdog = ENABLE;
macDefaultConf.WatchdogTimeout = ETH_MACWTR_WTO_2KB;
macDefaultConf.ZeroQuantaPause = ENABLE;
/* MAC default configuration */
ETH_SetMACConfig(heth, &macDefaultConf);
/*--------------- ETHERNET DMA registers default Configuration --------------*/
dmaDefaultConf.AddressAlignedBeats = ENABLE;
dmaDefaultConf.BurstMode = ETH_BURSTLENGTH_FIXED;
dmaDefaultConf.DMAArbitration = ETH_DMAARBITRATION_RX1_TX1;
dmaDefaultConf.FlushRxPacket = DISABLE;
dmaDefaultConf.PBLx8Mode = DISABLE;
dmaDefaultConf.RebuildINCRxBurst = DISABLE;
dmaDefaultConf.RxDMABurstLength = ETH_RXDMABURSTLENGTH_32BEAT;
dmaDefaultConf.SecondPacketOperate = DISABLE;
dmaDefaultConf.TxDMABurstLength = ETH_TXDMABURSTLENGTH_32BEAT;
dmaDefaultConf.TCPSegmentation = DISABLE;
dmaDefaultConf.MaximumSegmentSize = ETH_SEGMENT_SIZE_DEFAULT;
/* DMA default configuration */
ETH_SetDMAConfig(heth, &dmaDefaultConf);
}
/**
* @brief Initializes the DMA Tx descriptors.
* called by HAL_ETH_Init() API.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
static void ETH_DMATxDescListInit(ETH_HandleTypeDef *heth)
{
ETH_DMADescTypeDef *dmatxdesc;
uint32_t i;
/* Fill each DMATxDesc descriptor with the right values */
for (i = 0; i < (uint32_t)ETH_TX_DESC_CNT; i++)
{
dmatxdesc = heth->Init.TxDesc + i;
WRITE_REG(dmatxdesc->DESC0, 0x0U);
WRITE_REG(dmatxdesc->DESC1, 0x0U);
WRITE_REG(dmatxdesc->DESC2, 0x0U);
WRITE_REG(dmatxdesc->DESC3, 0x0U);
WRITE_REG(heth->TxDescList.TxDesc[i], (uint32_t)dmatxdesc);
}
heth->TxDescList.CurTxDesc = 0;
/* Set Transmit Descriptor Ring Length */
WRITE_REG(heth->Instance->DMACTDRLR, (ETH_TX_DESC_CNT - 1U));
/* Set Transmit Descriptor List Address */
WRITE_REG(heth->Instance->DMACTDLAR, (uint32_t) heth->Init.TxDesc);
/* Set Transmit Descriptor Tail pointer */
WRITE_REG(heth->Instance->DMACTDTPR, (uint32_t) heth->Init.TxDesc);
}
/**
* @brief Initializes the DMA Rx descriptors in chain mode.
* called by HAL_ETH_Init() API.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @retval None
*/
static void ETH_DMARxDescListInit(ETH_HandleTypeDef *heth)
{
ETH_DMADescTypeDef *dmarxdesc;
uint32_t i;
for (i = 0; i < (uint32_t)ETH_RX_DESC_CNT; i++)
{
dmarxdesc = heth->Init.RxDesc + i;
WRITE_REG(dmarxdesc->DESC0, 0x0U);
WRITE_REG(dmarxdesc->DESC1, 0x0U);
WRITE_REG(dmarxdesc->DESC2, 0x0U);
WRITE_REG(dmarxdesc->DESC3, 0x0U);
WRITE_REG(dmarxdesc->BackupAddr0, 0x0U);
WRITE_REG(dmarxdesc->BackupAddr1, 0x0U);
/* Set Rx descritors addresses */
WRITE_REG(heth->RxDescList.RxDesc[i], (uint32_t)dmarxdesc);
}
WRITE_REG(heth->RxDescList.RxDescIdx, 0U);
WRITE_REG(heth->RxDescList.RxDescCnt, 0U);
WRITE_REG(heth->RxDescList.RxBuildDescIdx, 0U);
WRITE_REG(heth->RxDescList.RxBuildDescCnt, 0U);
WRITE_REG(heth->RxDescList.ItMode, 0U);
/* Set Receive Descriptor Ring Length */
WRITE_REG(heth->Instance->DMACRDRLR, ((uint32_t)(ETH_RX_DESC_CNT - 1U)));
/* Set Receive Descriptor List Address */
WRITE_REG(heth->Instance->DMACRDLAR, (uint32_t) heth->Init.RxDesc);
/* Set Receive Descriptor Tail pointer Address */
WRITE_REG(heth->Instance->DMACRDTPR, ((uint32_t)(heth->Init.RxDesc + (uint32_t)(ETH_RX_DESC_CNT - 1U))));
}
/**
* @brief Prepare Tx DMA descriptor before transmission.
* called by HAL_ETH_Transmit_IT and HAL_ETH_Transmit_IT() API.
* @param heth: pointer to a ETH_HandleTypeDef structure that contains
* the configuration information for ETHERNET module
* @param pTxConfig: Tx packet configuration
* @param ItMode: Enable or disable Tx EOT interrept
* @retval Status
*/
static uint32_t ETH_Prepare_Tx_Descriptors(ETH_HandleTypeDef *heth, const ETH_TxPacketConfigTypeDef *pTxConfig,
uint32_t ItMode)
{
ETH_TxDescListTypeDef *dmatxdesclist = &heth->TxDescList;
uint32_t descidx = dmatxdesclist->CurTxDesc;
uint32_t firstdescidx = dmatxdesclist->CurTxDesc;
uint32_t idx;
uint32_t descnbr = 0;
ETH_DMADescTypeDef *dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
ETH_BufferTypeDef *txbuffer = pTxConfig->TxBuffer;
uint32_t bd_count = 0;
uint32_t primask_bit;
/* Current Tx Descriptor Owned by DMA: cannot be used by the application */
if ((READ_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCWBF_OWN) == ETH_DMATXNDESCWBF_OWN)
|| (dmatxdesclist->PacketAddress[descidx] != NULL))
{
return HAL_ETH_ERROR_BUSY;
}
/***************************************************************************/
/***************** Context descriptor configuration (Optional) **********/
/***************************************************************************/
/* If VLAN tag is enabled for this packet */
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_VLANTAG) != (uint32_t)RESET)
{
/* Set vlan tag value */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXCDESC_VT, pTxConfig->VlanTag);
/* Set vlan tag valid bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_VLTV);
/* Set the descriptor as the vlan input source */
SET_BIT(heth->Instance->MACVIR, ETH_MACVIR_VLTI);
/* if inner VLAN is enabled */
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_INNERVLANTAG) != (uint32_t)RESET)
{
/* Set inner vlan tag value */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXCDESC_IVT, (pTxConfig->InnerVlanTag << 16));
/* Set inner vlan tag valid bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_IVLTV);
/* Set Vlan Tag control */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXCDESC_IVTIR, pTxConfig->InnerVlanCtrl);
/* Set the descriptor as the inner vlan input source */
SET_BIT(heth->Instance->MACIVIR, ETH_MACIVIR_VLTI);
/* Enable double VLAN processing */
SET_BIT(heth->Instance->MACVTR, ETH_MACVTR_EDVLP);
}
}
/* if tcp segmentation is enabled for this packet */
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_TSO) != (uint32_t)RESET)
{
/* Set MSS value */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXCDESC_MSS, pTxConfig->MaxSegmentSize);
/* Set MSS valid bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_TCMSSV);
}
if ((READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_VLANTAG) != (uint32_t)RESET)
|| (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_TSO) != (uint32_t)RESET))
{
/* Set as context descriptor */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_CTXT);
/* Ensure rest of descriptor is written to RAM before the OWN bit */
__DMB();
/* Set own bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_OWN);
/* Increment current tx descriptor index */
INCR_TX_DESC_INDEX(descidx, 1U);
/* Get current descriptor address */
dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
descnbr += 1U;
/* Current Tx Descriptor Owned by DMA: cannot be used by the application */
if (READ_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCWBF_OWN) == ETH_DMATXNDESCWBF_OWN)
{
dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[firstdescidx];
/* Ensure rest of descriptor is written to RAM before the OWN bit */
__DMB();
/* Clear own bit */
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXCDESC_OWN);
return HAL_ETH_ERROR_BUSY;
}
}
/***************************************************************************/
/***************** Normal descriptors configuration *****************/
/***************************************************************************/
descnbr += 1U;
/* Set header or buffer 1 address */
WRITE_REG(dmatxdesc->DESC0, (uint32_t)txbuffer->buffer);
/* Set header or buffer 1 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B1L, txbuffer->len);
if (txbuffer->next != NULL)
{
txbuffer = txbuffer->next;
/* Set buffer 2 address */
WRITE_REG(dmatxdesc->DESC1, (uint32_t)txbuffer->buffer);
/* Set buffer 2 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B2L, (txbuffer->len << 16));
}
else
{
WRITE_REG(dmatxdesc->DESC1, 0x0U);
/* Set buffer 2 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B2L, 0x0U);
}
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_TSO) != (uint32_t)RESET)
{
/* Set TCP Header length */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_THL, (pTxConfig->TCPHeaderLen << 19));
/* Set TCP payload length */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_TPL, pTxConfig->PayloadLen);
/* Set TCP Segmentation Enabled bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_TSE);
}
else
{
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_FL, pTxConfig->Length);
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_CSUM) != (uint32_t)RESET)
{
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_CIC, pTxConfig->ChecksumCtrl);
}
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_CRCPAD) != (uint32_t)RESET)
{
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_CPC, pTxConfig->CRCPadCtrl);
}
}
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_VLANTAG) != (uint32_t)RESET)
{
/* Set Vlan Tag control */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_VTIR, pTxConfig->VlanCtrl);
}
/* Mark it as First Descriptor */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_FD);
/* Mark it as NORMAL descriptor */
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_CTXT);
/* Ensure rest of descriptor is written to RAM before the OWN bit */
__DMB();
/* set OWN bit of FIRST descriptor */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_OWN);
/* If source address insertion/replacement is enabled for this packet */
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_SAIC) != (uint32_t)RESET)
{
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_SAIC, pTxConfig->SrcAddrCtrl);
}
/* only if the packet is split into more than one descriptors > 1 */
while (txbuffer->next != NULL)
{
/* Clear the LD bit of previous descriptor */
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_LD);
/* Increment current tx descriptor index */
INCR_TX_DESC_INDEX(descidx, 1U);
/* Get current descriptor address */
dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
/* Clear the FD bit of new Descriptor */
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_FD);
/* Current Tx Descriptor Owned by DMA: cannot be used by the application */
if ((READ_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_OWN) == ETH_DMATXNDESCRF_OWN)
|| (dmatxdesclist->PacketAddress[descidx] != NULL))
{
descidx = firstdescidx;
dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
/* clear previous desc own bit */
for (idx = 0; idx < descnbr; idx ++)
{
/* Ensure rest of descriptor is written to RAM before the OWN bit */
__DMB();
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_OWN);
/* Increment current tx descriptor index */
INCR_TX_DESC_INDEX(descidx, 1U);
/* Get current descriptor address */
dmatxdesc = (ETH_DMADescTypeDef *)dmatxdesclist->TxDesc[descidx];
}
return HAL_ETH_ERROR_BUSY;
}
descnbr += 1U;
/* Get the next Tx buffer in the list */
txbuffer = txbuffer->next;
/* Set header or buffer 1 address */
WRITE_REG(dmatxdesc->DESC0, (uint32_t)txbuffer->buffer);
/* Set header or buffer 1 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B1L, txbuffer->len);
if (txbuffer->next != NULL)
{
/* Get the next Tx buffer in the list */
txbuffer = txbuffer->next;
/* Set buffer 2 address */
WRITE_REG(dmatxdesc->DESC1, (uint32_t)txbuffer->buffer);
/* Set buffer 2 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B2L, (txbuffer->len << 16));
}
else
{
WRITE_REG(dmatxdesc->DESC1, 0x0U);
/* Set buffer 2 Length */
MODIFY_REG(dmatxdesc->DESC2, ETH_DMATXNDESCRF_B2L, 0x0U);
}
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_TSO) != (uint32_t)RESET)
{
/* Set TCP payload length */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_TPL, pTxConfig->PayloadLen);
/* Set TCP Segmentation Enabled bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_TSE);
}
else
{
/* Set the packet length */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_FL, pTxConfig->Length);
if (READ_BIT(pTxConfig->Attributes, ETH_TX_PACKETS_FEATURES_CSUM) != (uint32_t)RESET)
{
/* Checksum Insertion Control */
MODIFY_REG(dmatxdesc->DESC3, ETH_DMATXNDESCRF_CIC, pTxConfig->ChecksumCtrl);
}
}
bd_count += 1U;
/* Ensure rest of descriptor is written to RAM before the OWN bit */
__DMB();
/* Set Own bit */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_OWN);
/* Mark it as NORMAL descriptor */
CLEAR_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_CTXT);
}
if (ItMode != ((uint32_t)RESET))
{
/* Set Interrupt on completion bit */
SET_BIT(dmatxdesc->DESC2, ETH_DMATXNDESCRF_IOC);
}
else
{
/* Clear Interrupt on completion bit */
CLEAR_BIT(dmatxdesc->DESC2, ETH_DMATXNDESCRF_IOC);
}
/* Mark it as LAST descriptor */
SET_BIT(dmatxdesc->DESC3, ETH_DMATXNDESCRF_LD);
/* Save the current packet address to expose it to the application */
dmatxdesclist->PacketAddress[descidx] = dmatxdesclist->CurrentPacketAddress;
dmatxdesclist->CurTxDesc = descidx;
/* Enter critical section */
primask_bit = __get_PRIMASK();
__set_PRIMASK(1);
dmatxdesclist->BuffersInUse += bd_count + 1U;
/* Exit critical section: restore previous priority mask */
__set_PRIMASK(primask_bit);
/* Return function status */
return HAL_ETH_ERROR_NONE;
}
#if (USE_HAL_ETH_REGISTER_CALLBACKS == 1)
static void ETH_InitCallbacksToDefault(ETH_HandleTypeDef *heth)
{
/* Init the ETH Callback settings */
heth->TxCpltCallback = HAL_ETH_TxCpltCallback; /* Legacy weak TxCpltCallback */
heth->RxCpltCallback = HAL_ETH_RxCpltCallback; /* Legacy weak RxCpltCallback */
heth->ErrorCallback = HAL_ETH_ErrorCallback; /* Legacy weak ErrorCallback */
heth->PMTCallback = HAL_ETH_PMTCallback; /* Legacy weak PMTCallback */
heth->EEECallback = HAL_ETH_EEECallback; /* Legacy weak EEECallback */
heth->WakeUpCallback = HAL_ETH_WakeUpCallback; /* Legacy weak WakeUpCallback */
heth->rxLinkCallback = HAL_ETH_RxLinkCallback; /* Legacy weak RxLinkCallback */
heth->txFreeCallback = HAL_ETH_TxFreeCallback; /* Legacy weak TxFreeCallback */
#ifdef HAL_ETH_USE_PTP
heth->txPtpCallback = HAL_ETH_TxPtpCallback; /* Legacy weak TxPtpCallback */
#endif /* HAL_ETH_USE_PTP */
heth->rxAllocateCallback = HAL_ETH_RxAllocateCallback; /* Legacy weak RxAllocateCallback */
}
#endif /* USE_HAL_ETH_REGISTER_CALLBACKS */
/**
* @}
*/
/**
* @}
*/
#endif /* ETH */
#endif /* HAL_ETH_MODULE_ENABLED */
/**
* @}
*/