45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
/**
|
|
* @file read.ino
|
|
* @author Phil Schatzmann
|
|
* @brief reads the data from the ADC
|
|
* Default Pins ESP32: 34, 35 (ADC_CHANNEL_6, ADC_CHANNEL_7)
|
|
* Default Pins ESP32C3: 2, 3 (ADC_CHANNEL_2, ADC_CHANNEL_3)
|
|
* @version 0.1
|
|
* @date 2023-11-11
|
|
*
|
|
* @copyright Copyright (c) 2023
|
|
*/
|
|
|
|
#include "AudioTools.h"
|
|
|
|
AudioInfo info(44100, 2, 16);
|
|
AnalogAudioStream adc;
|
|
MeasuringStream out(10, &Serial);
|
|
StreamCopy copier(out, adc);
|
|
|
|
// Arduino Setup
|
|
void setup(void) {
|
|
Serial.begin(115200);
|
|
AudioToolsLogger.begin(Serial, AudioToolsLogLevel::Info);
|
|
|
|
#ifdef ESP32
|
|
LOGI("Supported samples rates: %d - %d", SOC_ADC_SAMPLE_FREQ_THRES_LOW, SOC_ADC_SAMPLE_FREQ_THRES_HIGH);
|
|
LOGI("Supported bit width: %d - %d", SOC_ADC_DIGI_MIN_BITWIDTH, SOC_ADC_DIGI_MAX_BITWIDTH);
|
|
#endif
|
|
|
|
auto cfg = adc.defaultConfig(RX_MODE);
|
|
cfg.copyFrom(info);
|
|
//cfg.use_apll = false; // try with yes
|
|
if (!adc.begin(cfg)) {
|
|
LOGE("adc.begin() failed");
|
|
stop();
|
|
}
|
|
|
|
// make sure that we have the correct channels set up
|
|
out.begin(info);
|
|
}
|
|
|
|
// Arduino loop - copy data
|
|
void loop() {
|
|
copier.copy();
|
|
} |