Expand description
Audio Digital Filter (ADF)
Structs§
- Adf
- Ring-buffered ADF driver.
- Clock
Config - Clock generator configuration shared by ADF and MDF.
- Config
- Combined configuration for a typical PDM microphone capture on filter 0.
- Filter
Config - Digital filter configuration.
- Flt0
- Marker type for digital filter 0 (the only filter on ADF).
- Interrupt
Handler - ADF interrupt handler.
- Sitf
Config - Serial interface (SITF) configuration.
Enums§
- Error
- ADF driver error.
Traits§
- CckPin
- CckPin pin trait
- Filter
- Identifies the ADF digital filter (filter 0 only).
- Instance
- ADF instance trait.
- RxDma
- RxDma DMA request trait
- SdiPin
- SdiPin pin trait
Functions§
- pdm_
filter_ config - Default continuous-capture filter configuration for PDM use on filter 0 / SITF 0.
- sample_
from_ dma_ word - Extract a signed 24-bit sample from a DMA word read from DFLTDR.
- samples_
from_ dma_ words - Convert raw DMA words into signed PCM samples.