#include <sdrv_pdm.h>

Data Fields
sdrv_pdm_params_t	params

sdrv_pdm_transfer_t	queue [SDRV_PDM_XFER_NUM_TRANSFERS]

bool	active

uint8_t	queue_appl

uint8_t	queue_hw

sdrv_pdm_callback	callback

void *	context

bool	pack_mode

bool	data_lsb

unsigned	threshold

sdrv_dma_t	dma_instance

sdrv_dma_channel_t	dma_channel

sdrv_pdm_dma_data_t	dma_data

Field Documentation

◆ active

bool active

app submit enqueue transfer index

◆ callback

sdrv_pdm_callback callback

user callback context

◆ context

void* context

data pack or loose mode in fifo

◆ data_lsb

bool data_lsb

pdm request dma transfer when fifo data is <= threshold for capture

◆ dma_abort

bool dma_abort

◆ dma_buf

sdrv_pdm_dma_buf_t dma_buf

◆ dma_channel

sdrv_dma_channel_t dma_channel

dma fifo descriptions

◆ dma_data

sdrv_pdm_dma_data_t dma_data

dma mode must set dma_buf addr, size=period_count*period_size

◆ dma_instance

sdrv_dma_t dma_instance

dma module channel handle

◆ pack_mode

bool pack_mode

data format in fifo

◆ params

sdrv_pdm_params_t params

< pdm config params app submit transfer ,max is SDRV_PDM_XFER_NUM_TRANSFERS

◆ queue

sdrv_pdm_transfer_t queue[SDRV_PDM_XFER_NUM_TRANSFERS]

stream status; true : running false:idle

◆ queue_appl

uint8_t queue_appl

hw dequeue transfer index

◆ queue_hw

uint8_t queue_hw

user callback

◆ threshold

unsigned threshold

dma module instance handle

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

Z:/01-Code/06-SSDK-DEV-Firewall/ssdk/drivers/include/sdrv_pdm.h

Data Fields