tuyaos-mic

name	tuyaos/mic
description	TuyaOS microphone capture via tkl_ai_* + optional file write (tkl_fs). 麦克风、录音、tkl_ai、采集音频。
when_to_use	Use for TuyaOS mic / AI audio capture / record-to-file flows.
id	tuyaos-mic
surfaces	["embedded"]
tags	["mic","audio","tuyaos","tkl_ai"]

TuyaOS Mic / Recorder (tkl_ai)

Demo: …/examples/driver_mic/example_recorder.c (+ wav_encode.*)

Key APIs

Function	Role
tkl_ai_init / tkl_ai_start / tkl_ai_set_vol	capture path
tkl_ao_set_vol / tkl_ao_put_frame	playback path if looping
tkl_fs_mount / tkl_fopen / tkl_fwrite / …	save WAV/PCM
tkl_system_psram_malloc / _free	large buffers
tkl_gpio_*	optional trigger pin

Guidance

1. Open the demo and copy the TKL_AUDIO config struct fields for this SDK.
2. Confirm sample rate / channels / trigger GPIO with the user.
3. PSRAM may be required on T5-class chips — follow demo allocators.
4. This is not TuyaOpen tdl_audio_*.