LPSPI master transfer handle structure used for transactional API. More...

#include <fsl_lpspi.h>

Data Fields
volatile bool	isPcsContinuous
volatile bool	writeTcrInIsr
volatile bool	isByteSwap
volatile bool	isTxMask
volatile uint16_t	bytesPerFrame
volatile uint8_t	fifoSize
volatile uint8_t	rxWatermark
volatile uint8_t	bytesEachWrite
volatile uint8_t	bytesEachRead
uint8_t *volatile	txData
uint8_t *volatile	rxData
volatile size_t	txRemainingByteCount
volatile size_t	rxRemainingByteCount
volatile uint32_t	writeRegRemainingTimes
volatile uint32_t	readRegRemainingTimes
uint32_t	totalByteCount
uint32_t	txBuffIfNull
volatile uint8_t	state
lpspi_master_transfer_callback_t	callback
void *	userData

Detailed Description

LPSPI master transfer handle structure used for transactional API.

Field Documentation

◆ bytesEachRead

volatile uint8_t _lpspi_master_handle::bytesEachRead

Bytes for each read RDR.

◆ bytesEachWrite

volatile uint8_t _lpspi_master_handle::bytesEachWrite

Bytes for each write TDR.

◆ bytesPerFrame

volatile uint16_t _lpspi_master_handle::bytesPerFrame

Number of bytes in each frame

◆ callback

lpspi_master_transfer_callback_t _lpspi_master_handle::callback

Completion callback.

◆ fifoSize

volatile uint8_t _lpspi_master_handle::fifoSize

FIFO dataSize.

◆ isByteSwap

volatile bool _lpspi_master_handle::isByteSwap

A flag that whether should byte swap.

◆ isPcsContinuous

volatile bool _lpspi_master_handle::isPcsContinuous

Is PCS continuous in transfer.

◆ isTxMask

volatile bool _lpspi_master_handle::isTxMask

A flag that whether TCR[TXMSK] is set.

◆ readRegRemainingTimes

volatile uint32_t _lpspi_master_handle::readRegRemainingTimes

Read RDR register remaining times.

◆ rxData

uint8_t* volatile _lpspi_master_handle::rxData

Receive buffer.

◆ rxRemainingByteCount

volatile size_t _lpspi_master_handle::rxRemainingByteCount

Number of bytes remaining to receive.

◆ rxWatermark

volatile uint8_t _lpspi_master_handle::rxWatermark

Rx watermark.

◆ state

volatile uint8_t _lpspi_master_handle::state

LPSPI transfer state , _lpspi_transfer_state.

◆ totalByteCount

uint32_t _lpspi_master_handle::totalByteCount

Number of transfer bytes

◆ txBuffIfNull

uint32_t _lpspi_master_handle::txBuffIfNull

Used if the txData is NULL.

◆ txData

uint8_t* volatile _lpspi_master_handle::txData

Send buffer.

◆ txRemainingByteCount

volatile size_t _lpspi_master_handle::txRemainingByteCount

Number of bytes remaining to send.

◆ userData

void* _lpspi_master_handle::userData

Callback user data.

◆ writeRegRemainingTimes

volatile uint32_t _lpspi_master_handle::writeRegRemainingTimes

Write TDR register remaining times.

◆ writeTcrInIsr

volatile bool _lpspi_master_handle::writeTcrInIsr

A flag that whether should write TCR in ISR.

The documentation for this struct was generated from the following file:

bsps/arm/imxrt/mcux-sdk/drivers/lpspi/fsl_lpspi.h

Data Fields