Module config 

Structs

AudioConfig

Engine and bank builder configuration.

Constants

DEFAULT_PWM_CARRIER_HZ

Fixed PWM carrier; must exceed ~2× the highest passed audio frequency.

DEFAULT_PWM_PERIOD

Default timer period counts (ARR+1). Set from your timer setup: period ≈ timer_clk / carrier_hz.

DEFAULT_SAMPLE_RATE_HZ

Recommended duty-modulation defaults for piezo / buzzer PWM audio.

Functions

crossfade_step_q8

Crossfade step in Q8 units so a fade completes in duration_ms.