SAI handle structure. More...

#include <fsl_sai.h>

Data Fields
I2S_Type *	base

uint32_t	state

sai_transfer_callback_t	callback

void *	userData

uint8_t	bitWidth

uint8_t	channel

uint8_t	channelMask

uint8_t	endChannel

uint8_t	channelNums

sai_transfer_t	saiQueue [SAI_XFER_QUEUE_SIZE]

size_t	transferSize [SAI_XFER_QUEUE_SIZE]

volatile uint8_t	queueUser

volatile uint8_t	queueDriver

Detailed Description

SAI handle structure.

Field Documentation

◆ base

I2S_Type* _sai_handle::base

base address

◆ bitWidth

uint8_t _sai_handle::bitWidth

Bit width for transfer, 8/16/24/32 bits

◆ callback

sai_transfer_callback_t _sai_handle::callback

Callback function called at transfer event

◆ channel

uint8_t _sai_handle::channel

Transfer start channel

◆ channelMask

uint8_t _sai_handle::channelMask

enabled channel mask value, refernece _sai_channel_mask

◆ channelNums

uint8_t _sai_handle::channelNums

Total enabled channel numbers

◆ endChannel

uint8_t _sai_handle::endChannel

end channel number

◆ queueDriver

volatile uint8_t _sai_handle::queueDriver

Index for driver to get the transfer data and size

◆ queueUser

volatile uint8_t _sai_handle::queueUser

Index for user to queue transfer

◆ saiQueue

sai_transfer_t _sai_handle::saiQueue[SAI_XFER_QUEUE_SIZE]

Transfer queue storing queued transfer

◆ state

uint32_t _sai_handle::state

Transfer status

◆ transferSize

size_t _sai_handle::transferSize[SAI_XFER_QUEUE_SIZE]

Data bytes need to transfer

◆ userData

void* _sai_handle::userData

Callback parameter passed to callback function

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

bsps/arm/imxrt/mcux-sdk/drivers/sai/fsl_sai.h

Data Fields