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28 lines
681 B
C
28 lines
681 B
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include <tactility/drivers/gpio.h>
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/**
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* @brief ESP32 internal-DAC speaker configuration.
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*
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* Routes 8-bit mono PCM to an ESP32 DAC channel behind an external analog amplifier.
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* The DAC channel is derived from the pin number (ESP32: GPIO25 = DAC1, GPIO26 = DAC2).
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*/
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struct Esp32DacSpeakerConfig {
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/** DAC output pin. Must map to a DAC channel; anything else fails to start. */
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struct GpioPinSpec pin;
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/** Native sample rate the DAC is driven at in Hz (8-bit data). */
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uint32_t sample_rate;
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};
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#ifdef __cplusplus
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}
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#endif |