Files
xiaozhi-esp32/main/boards/esp-hi/adc_pdm_audio_codec.h
2025-05-30 01:09:51 +08:00

30 lines
891 B
C++

#ifndef _BOX_AUDIO_CODEC_H
#define _BOX_AUDIO_CODEC_H
#include "audio_codec.h"
#include <esp_codec_dev.h>
#include <esp_codec_dev_defaults.h>
class AdcPdmAudioCodec : public AudioCodec {
private:
esp_codec_dev_handle_t output_dev_ = nullptr;
esp_codec_dev_handle_t input_dev_ = nullptr;
gpio_num_t pa_ctrl_pin_ = GPIO_NUM_NC;
virtual int Read(int16_t* dest, int samples) override;
virtual int Write(const int16_t* data, int samples) override;
public:
AdcPdmAudioCodec(int input_sample_rate, int output_sample_rate,
uint32_t adc_mic_channel, gpio_num_t pdm_speak_p, gpio_num_t pdm_speak_n, gpio_num_t pa_ctl);
virtual ~AdcPdmAudioCodec();
virtual void SetOutputVolume(int volume) override;
virtual void EnableInput(bool enable) override;
virtual void EnableOutput(bool enable) override;
void Start();
};
#endif // _BOX_AUDIO_CODEC_H