da26016edf
Mimics the I2S/PWMAudio/Stream interface for ease of use. * Fix non-32b DMA size transfer calculation in ABM * Rename wasHolding to isHolding in the I2S/PWM It is the **current** number of bits left, not the past number. * Add commented microphone example * Add docs
30 lines
705 B
C++
30 lines
705 B
C++
/*
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Mono analog microphone example using electret mike on A0
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Run using the Arduino Serial Plotter to see waveform.
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Released to the Public Domain by Earle F. Philhower, III
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Wire the mike's VCC to 3.3V on the Pico, connect the mike's
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GND to a convenient Pico GND, and then connect mike OUT to A0
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*/
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#include <ADCInput.h>
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ADCInput mike(A0);
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// For stereo/dual mikes, could use this line instead
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// ADCInput(A0, A1);
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void setup() {
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Serial.begin(115200);
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mike.begin(8000);
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while (1) {
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Serial.printf("%d\n", mike.read());
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// For stereo/dual mikes, use this line instead
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// Serial.printf("%d %d\n", mike.read(), mike.read());
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}
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}
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void loop() {
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/* Nothing here */
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}
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