ra8_audio_source_pdm_state_t Struct Reference

Caller-owned mutable state for one PDM source backend. More...

#include <ra8_audio_source_pdm.h>

Collaboration diagram for ra8_audio_source_pdm_state_t:

Data Fields
ra8_audio_source_info_t	info
	Fixed output contract.
uint32_t	poll_attempts
	Empty-FIFO retry bound.
void *	stream_data
	Persistent stream scratch.
ra8_audio_frame_callback_t	stream_callback
	Complete-frame callback.
void *	stream_ctx
	Callback context.
uint32_t	stream_filled
	Samples currently assembled.
uint32_t	stream_timestamp_ms
	Current frame timestamp.
uint8_t	channel
	Bound PDM channel.
uint8_t	irq_priority
	Async-stream NVIC priority.
bool	initialized
	Hardware source is running.
bool	streaming
	Interrupt delivery enabled.

Detailed Description

Caller-owned mutable state for one PDM source backend.

Definition at line 38 of file ra8_audio_source_pdm.h.

Field Documentation

channel

uint8_t ra8_audio_source_pdm_state_t::channel

Bound PDM channel.

Definition at line 46 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_capture(), internal_pdm_stop(), and internal_pdm_stream_start().

info

ra8_audio_source_info_t ra8_audio_source_pdm_state_t::info

Fixed output contract.

Definition at line 39 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_capture(), internal_pdm_get_info(), and internal_pdm_stream_data().

initialized

bool ra8_audio_source_pdm_state_t::initialized

Hardware source is running.

Definition at line 48 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_capture(), internal_pdm_get_info(), internal_pdm_stop(), and internal_pdm_stream_start().

irq_priority

uint8_t ra8_audio_source_pdm_state_t::irq_priority

Async-stream NVIC priority.

Definition at line 47 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_start().

poll_attempts

uint32_t ra8_audio_source_pdm_state_t::poll_attempts

Empty-FIFO retry bound.

Definition at line 40 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_capture().

stream_callback

ra8_audio_frame_callback_t ra8_audio_source_pdm_state_t::stream_callback

Complete-frame callback.

Definition at line 42 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

stream_ctx

void* ra8_audio_source_pdm_state_t::stream_ctx

Callback context.

Definition at line 43 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

stream_data

void* ra8_audio_source_pdm_state_t::stream_data

Persistent stream scratch.

Definition at line 41 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

stream_filled

uint32_t ra8_audio_source_pdm_state_t::stream_filled

Samples currently assembled.

Definition at line 44 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

stream_timestamp_ms

uint32_t ra8_audio_source_pdm_state_t::stream_timestamp_ms

Current frame timestamp.

Definition at line 45 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

streaming

bool ra8_audio_source_pdm_state_t::streaming

Interrupt delivery enabled.

Definition at line 49 of file ra8_audio_source_pdm.h.

Referenced by internal_pdm_stream_data(), and internal_pdm_stream_start().

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

• libs/ra8_audio/inc/ra8_audio_source_pdm.h