bf0_hal_i2c.h

Header file of I2C HAL module.

Author

Sifli software development team

Attention

Defines

HAL_I2C_ERROR_NONE

No error

HAL_I2C_ERROR_BERR

BERR error

HAL_I2C_ERROR_ARLO

ARLO error

HAL_I2C_ERROR_AF

ACKF error

HAL_I2C_ERROR_OVR

OVR error

HAL_I2C_ERROR_DMA

DMA transfer error

HAL_I2C_ERROR_TIMEOUT

Timeout error

HAL_I2C_ERROR_SIZE

Size Management error

HAL_I2C_ERROR_DMA_PARAM

DMA Parameter Error

HAL_I2C_ERROR_INVALID_PARAM

Invalid Parameters error

I2C_MODE_STD
I2C_MODE_FS
I2C_MODE_HS_STD
I2C_MODE_HS_FS
I2C_FIRST_FRAME
I2C_FIRST_AND_NEXT_FRAME
I2C_NEXT_FRAME
I2C_FIRST_AND_LAST_FRAME
I2C_LAST_FRAME
I2C_LAST_FRAME_NO_STOP
I2C_OTHER_FRAME
I2C_OTHER_AND_LAST_FRAME
I2C_ADDRESSINGMODE_7BIT
I2C_ADDRESSINGMODE_10BIT
I2C_GENERALCALL_DISABLE
I2C_GENERALCALL_ENABLE
I2C_MEMADD_SIZE_0BIT
I2C_MEMADD_SIZE_8BIT
I2C_MEMADD_SIZE_16BIT
I2C_DIRECTION_TRANSMIT
I2C_DIRECTION_RECEIVE
I2C_RELOAD_MODE

I2C_RELOAD_MODE Enable Reload mode .

I2C_AUTOEND_MODE

I2C_AUTOEND_MODE Enable Automatic end mode.

I2C_SOFTEND_MODE

I2C_SOFTEND_MODE Enable Software end mode.

I2C_NO_STARTSTOP

I2C_NO_STARTSTOP Don’t Generate stop and start condition.

I2C_GENERATE_STOP

I2C_GENERATE_STOP Generate stop condition (Size should be set to 0).

I2C_GENERATE_START_READ

I2C_GENERATE_START_READ Generate Restart for read request.

I2C_GENERATE_START_WRITE

I2C_GENERATE_START_WRITE Generate Restart for write request.

I2C_IT_ERRI

Errors interrupt enable

I2C_IT_TCI

Transfer complete interrupt enable

I2C_IT_STOPI

STOP detection interrupt enable

I2C_IT_NACKI

NACK received interrupt enable

I2C_IT_ADDRI

Address match interrupt enable

I2C_IT_RXI

RX interrupt enable

I2C_IT_TXI

TX interrupt enable

I2C_FLAG_TXE

Transmit data register empty

I2C_FLAG_TXIS

Transmit interrupt status

I2C_FLAG_RXNE
I2C_FLAG_AF

Acknowledge failure received flag

I2C_FLAG_STOPF

STOP detection flag

I2C_FLAG_TC

Transfer complete (master mode)

I2C_FLAG_TCR

Transfer complete reload

I2C_FLAG_BUSY

Bus busy

I2C_FLAG_XFER_ERR
I2C_FLAG_TX_ERR
I2C_FLAG_TXE_ERR
I2C_FLAG_RX_ERR
I2C_FLAG_RXE_ERR
__HAL_I2C_RESET_HANDLE_STATE(__HANDLE__)

Reset I2C handle state.

参数:

  • __HANDLE__ – specifies the I2C Handle.

返回值:

None –

__HAL_I2C_ENABLE_IT(__HANDLE__, __INTERRUPT__)

Enable the specified I2C interrupt.

参数:

  • __HANDLE__ – specifies the I2C Handle.

  • __INTERRUPT__ – specifies the interrupt source to enable. This parameter can be one of the following values:

返回值:

None –

__HAL_I2C_DISABLE_IT(__HANDLE__, __INTERRUPT__)

Disable the specified I2C interrupt.

参数:

  • __HANDLE__ – specifies the I2C Handle.

  • __INTERRUPT__ – specifies the interrupt source to disable. This parameter can be one of the following values:

返回值:

None –

__HAL_I2C_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__)

Check whether the specified I2C interrupt source is enabled or not.

参数:

  • __HANDLE__ – specifies the I2C Handle.

  • __INTERRUPT__ – specifies the I2C interrupt source to check. This parameter can be one of the following values:

返回值:

The – new state of INTERRUPT (SET or RESET).

I2C_FLAG_MASK

Check whether the specified I2C flag is set or not.

参数:
返回值:

The – new state of FLAG (SET or RESET).

__HAL_I2C_GET_FLAG(__HANDLE__, __FLAG__)
__HAL_I2C_CLEAR_FLAG(__HANDLE__, __FLAG__)

Clear the I2C pending flags which are cleared by writing 1 in a specific bit.

参数:

  • __HANDLE__ – specifies the I2C Handle.

  • __FLAG__ – specifies the flag to clear. This parameter can be any combination of the following values:

返回值:

None –

__HAL_I2C_ENABLE(__HANDLE__)

Enable the specified I2C peripheral.

参数:

  • __HANDLE__ – specifies the I2C Handle.

返回值:

None –

__HAL_I2C_DISABLE(__HANDLE__)

Disable the specified I2C peripheral.

参数:

  • __HANDLE__ – specifies the I2C Handle.

返回值:

None –

__HAL_I2C_GENERATE_NACK(__HANDLE__)

Generate a Non-Acknowledge I2C peripheral in Slave mode.

参数:

  • __HANDLE__ – specifies the I2C Handle.

返回值:

None –

IS_I2C_ADDRESSING_MODE(MODE)
IS_I2C_GENERAL_CALL(CALL)
IS_I2C_MEMADD_SIZE(SIZE)
IS_TRANSFER_MODE(MODE)
IS_TRANSFER_REQUEST(REQUEST)
IS_I2C_TRANSFER_OPTIONS_REQUEST(REQUEST)
IS_I2C_TRANSFER_OTHER_OPTIONS_REQUEST(REQUEST)
I2C_RESET_CR2(__HANDLE__)
I2C_GET_ADDR_MATCH(__HANDLE__)
I2C_GET_DIR(__HANDLE__)
I2C_GET_STOP_MODE(__HANDLE__)
I2C_GET_OWN_ADDRESS1(__HANDLE__)
I2C_GET_OWN_ADDRESS2(__HANDLE__)
IS_I2C_OWN_ADDRESS1(ADDRESS1)
I2C_MEM_ADD_MSB(__ADDRESS__)
I2C_MEM_ADD_LSB(__ADDRESS__)
I2C_GENERATE_START(__ADDMODE__, __ADDRESS__)
I2C_CHECK_FLAG(__ISR__, __FLAG__)
I2C_CHECK_IT_SOURCE(__CR1__, __IT__)
IS_I2C_ALL_INSTANCE(__INSTANCE__)

Typedefs

typedef struct __I2C_HandleTypeDef I2C_HandleTypeDef

Enums

enum HAL_I2C_StateTypeDef

Values:

enumerator HAL_I2C_STATE_RESET

Peripheral is not yet Initialized

enumerator HAL_I2C_STATE_READY

Peripheral Initialized and ready for use

enumerator HAL_I2C_STATE_BUSY

An internal process is ongoing

enumerator HAL_I2C_STATE_BUSY_TX

Data Transmission process is ongoing

enumerator HAL_I2C_STATE_BUSY_RX

Data Reception process is ongoing

enumerator HAL_I2C_STATE_LISTEN

Address Listen Mode is ongoing

enumerator HAL_I2C_STATE_BUSY_TX_LISTEN

Address Listen Mode and Data Transmission process is ongoing

enumerator HAL_I2C_STATE_BUSY_RX_LISTEN

Address Listen Mode and Data Reception process is ongoing

enumerator HAL_I2C_STATE_ABORT

Abort user request ongoing

enumerator HAL_I2C_STATE_TIMEOUT

Timeout state

enumerator HAL_I2C_STATE_ERROR

Error

enum HAL_I2C_ModeTypeDef

Values:

enumerator HAL_I2C_MODE_NONE

No I2C communication on going

enumerator HAL_I2C_MODE_MASTER

I2C communication is in Master Mode

enumerator HAL_I2C_MODE_SLAVE

I2C communication is in Slave Mode

enumerator HAL_I2C_MODE_MEM

I2C communication is in Memory Mode

Functions

HAL_StatusTypeDef HAL_I2C_Init(I2C_HandleTypeDef *hi2c)

Initializes the I2C according to the specified parameters in the I2C_InitTypeDef and initialize the associated handle.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_DMA_Init(I2C_HandleTypeDef *hi2c, struct dma_config *dma_rx, struct dma_config *dma_tx)

Initializes the I2C according to the specified parameters with dma mode in the I2C_InitTypeDef and initialize the associated handle.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • dma_rx – I2C received DMA configure

  • dma_tx – I2C transmit DMA configure

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_DeInit(I2C_HandleTypeDef *hi2c)

DeInitialize the I2C peripheral.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

HAL – status

void HAL_I2C_MspInit(I2C_HandleTypeDef *hi2c)
void HAL_I2C_MspDeInit(I2C_HandleTypeDef *hi2c)
HAL_StatusTypeDef HAL_I2C_Master_Transmit(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout)

Transmits in master mode an amount of data in blocking mode.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

  • Timeout – Timeout duration

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Master_Receive(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t Timeout)

Receives in master mode an amount of data in blocking mode.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

  • Timeout – Timeout duration

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Slave_Transmit(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout)
HAL_StatusTypeDef HAL_I2C_Slave_Receive(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t Timeout)
HAL_StatusTypeDef HAL_I2C_Mem_Write(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout)

Write an amount of data in blocking mode to a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

  • Timeout – Timeout duration

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Mem_Read(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size, uint32_t Timeout)

Read an amount of data in blocking mode from a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

  • Timeout – Timeout duration

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_IsDeviceReady(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint32_t Trials, uint32_t Timeout)
HAL_StatusTypeDef HAL_I2C_Master_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size)

Transmit in master mode an amount of data in non-blocking mode with Interrupt.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Master_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size)

Receive in master mode an amount of data in non-blocking mode with Interrupt.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Slave_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size)
HAL_StatusTypeDef HAL_I2C_Slave_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size)
HAL_StatusTypeDef HAL_I2C_Mem_Write_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size)

Write an amount of data in non-blocking mode with Interrupt to a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Mem_Read_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size)

Read an amount of data in non-blocking mode with Interrupt from a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Master_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Master_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Transmit_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Receive_IT(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_EnableListen_IT(I2C_HandleTypeDef *hi2c)
HAL_StatusTypeDef HAL_I2C_DisableListen_IT(I2C_HandleTypeDef *hi2c)
HAL_StatusTypeDef HAL_I2C_Master_Abort_IT(I2C_HandleTypeDef *hi2c, uint16_t DevAddress)
HAL_StatusTypeDef HAL_I2C_Master_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size)

Transmit in master mode an amount of data in non-blocking mode with DMA.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Master_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size)

Receive in master mode an amount of data in non-blocking mode with DMA.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Slave_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size)
HAL_StatusTypeDef HAL_I2C_Slave_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size)
HAL_StatusTypeDef HAL_I2C_Mem_Write_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size)

Write an amount of data in non-blocking mode with DMA to a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be sent

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Mem_Read_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint16_t MemAddress, uint16_t MemAddSize, uint8_t *pData, uint16_t Size)

Reads an amount of data in non-blocking mode with DMA from a specific memory address.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

  • DevAddress – Target device address: The device 7 bits address value in datasheet must be shifted to the left before calling the interface

  • MemAddress – Internal memory address

  • MemAddSize – Size of internal memory address

  • pData – Pointer to data buffer

  • Size – Amount of data to be read

返回值:

HAL – status

HAL_StatusTypeDef HAL_I2C_Master_Sequential_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Master_Sequential_Receive_DMA(I2C_HandleTypeDef *hi2c, uint16_t DevAddress, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Transmit_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
HAL_StatusTypeDef HAL_I2C_Slave_Sequential_Receive_DMA(I2C_HandleTypeDef *hi2c, uint8_t *pData, uint16_t Size, uint32_t XferOptions)
void HAL_I2C_EV_IRQHandler(I2C_HandleTypeDef *hi2c)
void HAL_I2C_ER_IRQHandler(I2C_HandleTypeDef *hi2c)
void HAL_I2C_MasterTxCpltCallback(I2C_HandleTypeDef *hi2c)

Master Tx Transfer completed callback.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

None –

void HAL_I2C_MasterRxCpltCallback(I2C_HandleTypeDef *hi2c)

Master Rx Transfer completed callback.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

None –

void HAL_I2C_SlaveTxCpltCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_SlaveRxCpltCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_AddrCallback(I2C_HandleTypeDef *hi2c, uint8_t TransferDirection, uint16_t AddrMatchCode)
void HAL_I2C_ListenCpltCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_MemTxCpltCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_MemRxCpltCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_ErrorCallback(I2C_HandleTypeDef *hi2c)
void HAL_I2C_AbortCpltCallback(I2C_HandleTypeDef *hi2c)
HAL_I2C_StateTypeDef HAL_I2C_GetState(I2C_HandleTypeDef *hi2c)

Return the I2C handle state.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

HAL – state

HAL_I2C_ModeTypeDef HAL_I2C_GetMode(I2C_HandleTypeDef *hi2c)

Returns the I2C Master, Slave, Memory or no mode.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for I2C module

返回值:

HAL – mode

uint32_t HAL_I2C_GetError(I2C_HandleTypeDef *hi2c)

Return the I2C error code.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

I2C – Error Code

uint32_t HAL_I2C_Reset(I2C_HandleTypeDef *hi2c)

Send I2C bus reset and reset I2C controller.

参数:

  • hi2c – Pointer to a I2C_HandleTypeDef structure that contains the configuration information for the specified I2C.

返回值:

I2C – Error Code

struct I2C_InitTypeDef

Public Members

uint32_t ClockSpeed

Specifies the clock frequency. This parameter must be set to a value lower than 400kHz

uint32_t Timing

Specifies the I2C_TIMINGR_register value. This parameter calculated by referring to I2C initialization section in Reference manual

uint32_t OwnAddress1

Specifies the first device own address. This parameter can be a 7-bit or 10-bit address.

uint32_t AddressingMode

Specifies if 7-bit or 10-bit addressing mode is selected. This parameter can be a value of I2C Addressing Mode

uint32_t GeneralCallMode

Specifies if general call mode is selected. This parameter can be a value of I2C General Call Addressing Mode

struct __I2C_HandleTypeDef

Public Members

I2C_TypeDef *Instance

I2C registers base address

I2C_InitTypeDef Init

I2C communication parameters

uint8_t *pBuffPtr

Pointer to I2C transfer buffer

uint16_t XferSize

I2C transfer size, partial xfer size

uint16_t XferCount

I2C transfer counter, total xfer size

uint32_t XferOptions

I2C sequantial transfer options, this parameter can be a value of I2C Sequential Transfer Options

uint32_t PreviousState

I2C communication Previous state

HAL_StatusTypeDef (*XferISR)(struct __I2C_HandleTypeDef *hi2c, uint32_t ITFlags, uint32_t ITSources)

I2C transfer IRQ handler function pointer

DMA_HandleTypeDef *hdmatx

I2C Tx DMA handle parameters

DMA_HandleTypeDef *hdmarx

I2C Rx DMA handle parameters

HAL_LockTypeDef Lock

I2C locking object

uint8_t core

I2C Clock core source

uint8_t dnf

I2C Clock Digital noise filter

HAL_I2C_StateTypeDef State

I2C communication state

HAL_I2C_ModeTypeDef Mode

I2C communication mode

uint32_t ErrorCode

I2C Error code

uint32_t AddrEventCount

I2C Address Event counter