45 lines
994 B
Arduino
45 lines
994 B
Arduino
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#include "Arduino.h"
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#include "AudioTools.h"
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#if defined(ESP32) && defined(USE_ANALOG) && !USE_LEGACY_I2S
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using namespace audio_tools;
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AnalogAudioStream analog_in;
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uint8_t buffer[256];
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void setup() {
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Serial.begin(115200);
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while (!Serial) {
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delay(10);
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}
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AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
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auto cfg = analog_in.defaultConfig(RX_MODE);
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cfg.sample_rate = 8000;
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cfg.channels = 2;
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cfg.buffer_size = 128;
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cfg.buffer_count = 4;
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cfg.adc_channels[0] = ADC_CHANNEL_4;
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cfg.adc_channels[1] = ADC_CHANNEL_5;
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analog_in.begin(cfg);
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delay(50);
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Serial.println("ESP32 RX multichannel available() test");
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Serial.printf("available before read: %d\n", analog_in.available());
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size_t bytes_read = analog_in.readBytes(buffer, sizeof(buffer));
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Serial.printf("bytes_read: %u\n", (unsigned)bytes_read);
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Serial.printf("available after read: %d\n", analog_in.available());
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}
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void loop() { delay(1000); }
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#else
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void setup() {}
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void loop() {}
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#endif
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