ETH Private Functions

Collaboration diagram for ETH Private Functions:

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)
	Configures Ethernet MAC and DMA with default parameters. called by HAL_ETH_Init() API.
static void	ETH_DMATxDescListInit (ETH_HandleTypeDef *heth)
	Initializes the DMA Tx descriptors. called by HAL_ETH_Init() API.
static void	ETH_DMARxDescListInit (ETH_HandleTypeDef *heth)
	Initializes the DMA Rx descriptors in chain mode. called by HAL_ETH_Init() API.
static uint32_t	ETH_Prepare_Tx_Descriptors (ETH_HandleTypeDef *heth, const ETH_TxPacketConfigTypeDef *pTxConfig, uint32_t ItMode)
	Prepare Tx DMA descriptor before transmission. called by HAL_ETH_Transmit_IT and HAL_ETH_Transmit_IT() API.
static void	ETH_UpdateDescriptor (ETH_HandleTypeDef *heth)
	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.
static void	ETH_FlushTransmitFIFO (ETH_HandleTypeDef *heth)
	Clears the ETHERNET transmit FIFO.
static void	ETH_MACAddressConfig (ETH_HandleTypeDef *heth, uint32_t MacAddr, uint8_t *Addr)
	Configures the selected MAC address.

Detailed Description

Function Documentation

ETH_SetMACConfig()

static void ETH_SetMACConfig ( ETH_HandleTypeDef * heth, const ETH_MACConfigTypeDef * macconf )

static

#include <stm32f4xx_hal_eth.c>

Definition at line 2749 of file stm32f4xx_hal_eth.c.

References ETH_MACConfigTypeDef::AutomaticPadCRCStrip, ETH_MACConfigTypeDef::BackOffLimit, ETH_MACConfigTypeDef::CarrierSenseDuringTransmit, ETH_MACConfigTypeDef::ChecksumOffload, ETH_MACConfigTypeDef::CRCStripTypePacket, ETH_MACConfigTypeDef::DeferralCheck, ETH_MACConfigTypeDef::DuplexMode, ETH_MACCR_CLEAR_MASK, ETH_MACFCR_CLEAR_MASK, ETH_REG_WRITE_DELAY, HAL_Delay(), ETH_HandleTypeDef::Instance, ETH_MACConfigTypeDef::InterPacketGapVal, ETH_MACConfigTypeDef::Jabber, ETH_MACConfigTypeDef::LoopbackMode, ETH_MACConfigTypeDef::PauseLowThreshold, ETH_MACConfigTypeDef::PauseTime, ETH_MACConfigTypeDef::ReceiveFlowControl, ETH_MACConfigTypeDef::ReceiveOwn, ETH_MACConfigTypeDef::RetryTransmission, ETH_MACConfigTypeDef::Speed, ETH_MACConfigTypeDef::TransmitFlowControl, ETH_MACConfigTypeDef::UnicastPausePacketDetect, ETH_MACConfigTypeDef::Watchdog, and ETH_MACConfigTypeDef::ZeroQuantaPause.

Referenced by ETH_MACDMAConfig(), and HAL_ETH_SetMACConfig().

ETH_SetDMAConfig()

static void ETH_SetDMAConfig ( ETH_HandleTypeDef * heth, const ETH_DMAConfigTypeDef * dmaconf )

static

#include <stm32f4xx_hal_eth.c>

Definition at line 2807 of file stm32f4xx_hal_eth.c.

References ETH_DMAConfigTypeDef::AddressAlignedBeats, ETH_DMAConfigTypeDef::BurstMode, ETH_DMAConfigTypeDef::DescriptorSkipLength, ETH_DMAConfigTypeDef::DMAArbitration, ETH_DMAConfigTypeDef::DropTCPIPChecksumErrorFrame, ETH_DMAConfigTypeDef::EnhancedDescriptorFormat, ETH_DMAOMR_CLEAR_MASK, ETH_REG_WRITE_DELAY, ETH_DMAConfigTypeDef::FlushRxPacket, ETH_DMAConfigTypeDef::ForwardErrorFrames, ETH_DMAConfigTypeDef::ForwardUndersizedGoodFrames, HAL_Delay(), ETH_HandleTypeDef::Instance, ETH_DMAConfigTypeDef::ReceiveStoreForward, ETH_DMAConfigTypeDef::ReceiveThresholdControl, ETH_DMAConfigTypeDef::RxDMABurstLength, ETH_DMAConfigTypeDef::SecondFrameOperate, ETH_DMAConfigTypeDef::TransmitStoreForward, ETH_DMAConfigTypeDef::TransmitThresholdControl, and ETH_DMAConfigTypeDef::TxDMABurstLength.

Referenced by ETH_MACDMAConfig(), and HAL_ETH_SetDMAConfig().

ETH_MACDMAConfig()

static void ETH_MACDMAConfig ( ETH_HandleTypeDef * heth )

static

#include <stm32f4xx_hal_eth.c>

Configures Ethernet MAC and DMA with default parameters. called by HAL_ETH_Init() API.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module

Return values

HAL

status

Definition at line 2861 of file stm32f4xx_hal_eth.c.

References ETH_DMAConfigTypeDef::AddressAlignedBeats, ETH_MACConfigTypeDef::AutomaticPadCRCStrip, ETH_MACConfigTypeDef::BackOffLimit, ETH_DMAConfigTypeDef::BurstMode, ETH_MACConfigTypeDef::CarrierSenseDuringTransmit, ETH_MACConfigTypeDef::ChecksumOffload, ETH_MACConfigTypeDef::CRCStripTypePacket, ETH_MACConfigTypeDef::DeferralCheck, ETH_DMAConfigTypeDef::DescriptorSkipLength, ETH_DMAConfigTypeDef::DMAArbitration, ETH_DMAConfigTypeDef::DropTCPIPChecksumErrorFrame, ETH_MACConfigTypeDef::DuplexMode, ETH_DMAConfigTypeDef::EnhancedDescriptorFormat, ETH_BACKOFFLIMIT_10, ETH_BURSTLENGTH_FIXED, ETH_DMAARBITRATION_ROUNDROBIN_RXTX_1_1, ETH_FULLDUPLEX_MODE, ETH_INTERFRAMEGAP_96BIT, ETH_PAUSELOWTHRESHOLD_MINUS4, ETH_RECEIVEDTHRESHOLDCONTROL_64BYTES, ETH_RXDMABURSTLENGTH_32BEAT, ETH_SetDMAConfig(), ETH_SetMACConfig(), ETH_SPEED_100M, ETH_TRANSMITTHRESHOLDCONTROL_64BYTES, ETH_TXDMABURSTLENGTH_32BEAT, ETH_DMAConfigTypeDef::FlushRxPacket, ETH_DMAConfigTypeDef::ForwardErrorFrames, ETH_DMAConfigTypeDef::ForwardUndersizedGoodFrames, ETH_MACConfigTypeDef::InterPacketGapVal, ETH_MACConfigTypeDef::Jabber, ETH_MACConfigTypeDef::LoopbackMode, ETH_MACConfigTypeDef::PauseLowThreshold, ETH_MACConfigTypeDef::PauseTime, ETH_MACConfigTypeDef::ReceiveFlowControl, ETH_MACConfigTypeDef::ReceiveOwn, ETH_DMAConfigTypeDef::ReceiveStoreForward, ETH_DMAConfigTypeDef::ReceiveThresholdControl, ETH_MACConfigTypeDef::RetryTransmission, ETH_DMAConfigTypeDef::RxDMABurstLength, ETH_DMAConfigTypeDef::SecondFrameOperate, ETH_MACConfigTypeDef::Speed, ETH_MACConfigTypeDef::TransmitFlowControl, ETH_DMAConfigTypeDef::TransmitStoreForward, ETH_DMAConfigTypeDef::TransmitThresholdControl, ETH_DMAConfigTypeDef::TxDMABurstLength, ETH_MACConfigTypeDef::UnicastPausePacketDetect, ETH_MACConfigTypeDef::Watchdog, and ETH_MACConfigTypeDef::ZeroQuantaPause.

Referenced by HAL_ETH_Init().

ETH_DMATxDescListInit()

static void ETH_DMATxDescListInit ( ETH_HandleTypeDef * heth )

static

#include <stm32f4xx_hal_eth.c>

Initializes the DMA Tx descriptors. called by HAL_ETH_Init() API.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module

Return values

None

Definition at line 2950 of file stm32f4xx_hal_eth.c.

References ETH_TxDescListTypeDef::CurTxDesc, ETH_DMADescTypeDef::DESC0, ETH_DMADescTypeDef::DESC1, ETH_DMADescTypeDef::DESC2, ETH_DMADescTypeDef::DESC3, ETH_DMATXDESC_CHECKSUMTCPUDPICMPFULL, ETH_DMATXDESC_TCH, ETH_TX_DESC_CNT, ETH_HandleTypeDef::Init, ETH_HandleTypeDef::Instance, ETH_InitTypeDef::TxDesc, ETH_TxDescListTypeDef::TxDesc, and ETH_HandleTypeDef::TxDescList.

Referenced by HAL_ETH_Init().

ETH_DMARxDescListInit()

static void ETH_DMARxDescListInit ( ETH_HandleTypeDef * heth )

static

#include <stm32f4xx_hal_eth.c>

Initializes the DMA Rx descriptors in chain mode. called by HAL_ETH_Init() API.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module

Return values

None

Definition at line 2996 of file stm32f4xx_hal_eth.c.

References ETH_DMADescTypeDef::BackupAddr0, ETH_DMADescTypeDef::BackupAddr1, ETH_DMADescTypeDef::DESC0, ETH_DMADescTypeDef::DESC1, ETH_DMADescTypeDef::DESC2, ETH_DMADescTypeDef::DESC3, ETH_DMARXDESC_OWN, ETH_DMARXDESC_RCH, ETH_RX_DESC_CNT, ETH_HandleTypeDef::Init, ETH_HandleTypeDef::Instance, ETH_RxDescListTypeDef::ItMode, ETH_InitTypeDef::RxBuffLen, ETH_RxDescListTypeDef::RxBuildDescCnt, ETH_RxDescListTypeDef::RxBuildDescIdx, ETH_InitTypeDef::RxDesc, ETH_RxDescListTypeDef::RxDesc, ETH_RxDescListTypeDef::RxDescCnt, ETH_RxDescListTypeDef::RxDescIdx, and ETH_HandleTypeDef::RxDescList.

Referenced by HAL_ETH_Init().

ETH_Prepare_Tx_Descriptors()

static uint32_t ETH_Prepare_Tx_Descriptors ( ETH_HandleTypeDef * heth, const ETH_TxPacketConfigTypeDef * pTxConfig, uint32_t ItMode )

static

#include <stm32f4xx_hal_eth.c>

Prepare Tx DMA descriptor before transmission. called by HAL_ETH_Transmit_IT and HAL_ETH_Transmit_IT() API.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module
pTxConfig	Tx packet configuration
ItMode	Enable or disable Tx EOT interrept

Return values

Status

Definition at line 3052 of file stm32f4xx_hal_eth.c.

References ETH_TxPacketConfigTypeDef::Attributes, __ETH_BufferTypeDef::buffer, ETH_TxDescListTypeDef::BuffersInUse, ETH_TxPacketConfigTypeDef::ChecksumCtrl, ETH_TxPacketConfigTypeDef::CRCPadCtrl, ETH_TxDescListTypeDef::CurrentPacketAddress, ETH_TxDescListTypeDef::CurTxDesc, ETH_DMADescTypeDef::DESC0, ETH_DMADescTypeDef::DESC1, ETH_DMADescTypeDef::DESC2, ETH_CRC_PAD_DISABLE, ETH_DMATXDESC_CIC, ETH_DMATXDESC_FS, ETH_DMATXDESC_IC, ETH_DMATXDESC_LS, ETH_DMATXDESC_OWN, ETH_DMATXDESC_TBS1, ETH_DMATXDESC_VF, ETH_TX_PACKETS_FEATURES_CRCPAD, ETH_TX_PACKETS_FEATURES_CSUM, ETH_TX_PACKETS_FEATURES_VLANTAG, HAL_ETH_ERROR_BUSY, HAL_ETH_ERROR_NONE, INCR_TX_DESC_INDEX, __ETH_BufferTypeDef::len, __ETH_BufferTypeDef::next, ETH_TxDescListTypeDef::PacketAddress, ETH_TxPacketConfigTypeDef::TxBuffer, ETH_TxDescListTypeDef::TxDesc, and ETH_HandleTypeDef::TxDescList.

Referenced by HAL_ETH_Transmit(), and HAL_ETH_Transmit_IT().

ETH_UpdateDescriptor()

static void ETH_UpdateDescriptor ( ETH_HandleTypeDef * heth )

static

#include <stm32f4xx_hal_eth.c>

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.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module

Return values

HAL

status

Definition at line 1196 of file stm32f4xx_hal_eth.c.

References ETH_DMADescTypeDef::BackupAddr0, ETH_DMADescTypeDef::DESC0, ETH_DMADescTypeDef::DESC1, ETH_DMADescTypeDef::DESC2, ETH_DMARXDESC_DIC, ETH_DMARXDESC_OWN, ETH_DMARXDESC_RCH, ETH_RX_DESC_CNT, HAL_ETH_RxAllocateCallback(), INCR_RX_DESC_INDEX, ETH_HandleTypeDef::Init, ETH_HandleTypeDef::Instance, ETH_RxDescListTypeDef::ItMode, ETH_HandleTypeDef::rxAllocateCallback, ETH_InitTypeDef::RxBuffLen, ETH_RxDescListTypeDef::RxBuildDescCnt, ETH_RxDescListTypeDef::RxBuildDescIdx, ETH_InitTypeDef::RxDesc, ETH_RxDescListTypeDef::RxDesc, and ETH_HandleTypeDef::RxDescList.

Referenced by HAL_ETH_ReadData(), HAL_ETH_Start(), and HAL_ETH_Start_IT().

ETH_FlushTransmitFIFO()

static void ETH_FlushTransmitFIFO ( ETH_HandleTypeDef * heth )

static

#include <stm32f4xx_hal_eth.c>

Clears the ETHERNET transmit FIFO.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module

Return values

None

Definition at line 2735 of file stm32f4xx_hal_eth.c.

References ETH_REG_WRITE_DELAY, HAL_Delay(), and ETH_HandleTypeDef::Instance.

Referenced by HAL_ETH_Start(), HAL_ETH_Start_IT(), HAL_ETH_Stop(), and HAL_ETH_Stop_IT().

ETH_MACAddressConfig()

static void ETH_MACAddressConfig ( ETH_HandleTypeDef * heth, uint32_t MacAddr, uint8_t * Addr )

static

#include <stm32f4xx_hal_eth.c>

Configures the selected MAC address.

Parameters

heth	pointer to a ETH_HandleTypeDef structure that contains the configuration information for ETHERNET module
MacAddr	The MAC address to configure This parameter can be one of the following values: ETH_MAC_Address0: MAC Address0 ETH_MAC_Address1: MAC Address1 ETH_MAC_Address2: MAC Address2 ETH_MAC_Address3: MAC Address3
Addr	Pointer to MAC address buffer data (6 bytes)

Return values

HAL

status

Definition at line 2925 of file stm32f4xx_hal_eth.c.

References ETH_MAC_ADDR_HBASE, ETH_MAC_ADDR_LBASE, and UNUSED.

Referenced by HAL_ETH_Init().