47 lines
1.2 KiB
C++
47 lines
1.2 KiB
C++
/**
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* @file basic-adc-a2dp.ino
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* @author Phil Schatzmann
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* @brief see https://github.com/pschatzmann/arduino-audio-tools/blob/main/examples/examples-communication/a2dp/basic-adc-a2dp/README.md
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*
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* @author Phil Schatzmann
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* @copyright GPLv3
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*
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*/
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#include "AudioTools.h"
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#include "BluetoothA2DPSource.h"
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/**
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* @brief We use a mcp6022 analog microphone as input and send the data to A2DP
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*/
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AnalogAudioStream adc;
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BluetoothA2DPSource a2dp_source;
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// callback used by A2DP to provide the sound data
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int32_t get_sound_data(Frame* frames, int32_t frameCount) {
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uint8_t *data = (uint8_t*)frames;
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int frameSize = 4;
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size_t resultBytes = adc.readBytes(data, frameCount*frameSize);
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return resultBytes/frameSize;
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}
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// Arduino Setup
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void setup(void) {
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Serial.begin(115200);
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// start i2s input with default configuration
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Serial.println("starting I2S-ADC...");
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adc.begin(adc.defaultConfig(RX_MODE));
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// start the bluetooth
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Serial.println("starting A2DP...");
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a2dp_source.set_auto_reconnect(false);
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a2dp_source.set_data_callback_in_frames(get_sound_data);
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a2dp_source.start("MyMusic");
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}
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// Arduino loop - repeated processing
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void loop() {
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delay(1000);
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} |