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61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#pragma once
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#ifdef USE_ESP32
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#include "../i2s_audio.h"
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#include "esphome/components/microphone/microphone.h"
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#include "esphome/core/component.h"
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namespace esphome {
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namespace i2s_audio {
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class I2SAudioMicrophone : public I2SAudioIn, public microphone::Microphone, public Component {
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public:
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void setup() override;
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void start() override;
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void stop() override;
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void loop() override;
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void set_din_pin(int8_t pin) { this->din_pin_ = pin; }
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void set_pdm(bool pdm) { this->pdm_ = pdm; }
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size_t read(int16_t *buf, size_t len) override;
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#if SOC_I2S_SUPPORTS_ADC
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void set_adc_channel(adc1_channel_t channel) {
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this->adc_channel_ = channel;
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this->adc_ = true;
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}
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#endif
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void set_channel(i2s_channel_fmt_t channel) { this->channel_ = channel; }
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void set_sample_rate(uint32_t sample_rate) { this->sample_rate_ = sample_rate; }
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void set_bits_per_sample(i2s_bits_per_sample_t bits_per_sample) { this->bits_per_sample_ = bits_per_sample; }
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void set_use_apll(uint32_t use_apll) { this->use_apll_ = use_apll; }
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protected:
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void start_();
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void stop_();
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void read_();
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int8_t din_pin_{I2S_PIN_NO_CHANGE};
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#if SOC_I2S_SUPPORTS_ADC
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adc1_channel_t adc_channel_{ADC1_CHANNEL_MAX};
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bool adc_{false};
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#endif
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bool pdm_{false};
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i2s_channel_fmt_t channel_;
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uint32_t sample_rate_;
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i2s_bits_per_sample_t bits_per_sample_;
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bool use_apll_;
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HighFrequencyLoopRequester high_freq_;
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};
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} // namespace i2s_audio
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} // namespace esphome
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#endif // USE_ESP32
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