Add Waveshare ESP32-S3 Audio Board#195
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Add configuration for the Waveshare ESP32-S3 Audio Board as a wake word voice assistant. The board features an ES8311 DAC, ES7210 ADC, TCA9555 I/O expander, 7-LED WS2812 RGB ring, 3 buttons, and a speaker amplifier.
Update on_end to wait 2s + speaker idle before restarting wake word, add wake word restart to on_error after speaker finishes, replace on_idle with on_announcement handler that stops wake word, waits for announcement to complete, then restarts it.
Restarting the microphone (via wake word) in on_end causes an I2S bus conflict because on_end fires before the speaker finishes playing TTS audio. Moving the restart to on_tts_stream_end ensures we wait for the speaker to finish before reclaiming the I2S bus for the microphone. - on_end: now only resets LEDs (no mic restart) - on_tts_stream_end: waits for speaker, then restarts wake word
When a voice command produces no TTS response, on_tts_stream_end never fires and the wake word engine stays stopped. The new fallback script is called from on_end: it waits 5s (giving on_tts_stream_end time to act first), checks if wake word is already running, and only restarts if not.
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Summary
Add support for the Waveshare ESP32-S3 Audio Board as a wake word voice assistant.
Board hardware
Features
Pin mapping reference
Pinout and hardware details: https://github.com/jensenbox/waveshare-esp32-s3-audio
Test plan