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e99df4fe1a
Fixes #427 Adds a basic I2S class based off of the Arduino-SAMD core. The raw i2s_xxx functions are still a better way to use I2S due to their flexibility, but this will allow basic Arduino sketches to work.
37 lines
966 B
C++
37 lines
966 B
C++
/*
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This example reads audio data from an Invensense's ICS43432 I2S microphone
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breakout board, and prints out the samples to the Serial console. The
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Serial Plotter built into the Arduino IDE can be used to plot the audio
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data (Tools -> Serial Plotter)
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created 17 November 2016
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by Sandeep Mistry
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*/
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#include <I2S.h>
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void setup() {
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// Open serial communications and wait for port to open:
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// A baud rate of 115200 is used instead of 9600 for a faster data rate
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// on non-native USB ports
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Serial.begin(115200);
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while (!Serial) {
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; // wait for serial port to connect. Needed for native USB port only
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}
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// start I2S at 8 kHz with 24-bits per sample
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if (!I2S.begin(I2S_PHILIPS_MODE, 8000, 24)) {
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Serial.println("Failed to initialize I2S!");
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while (1); // do nothing
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}
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}
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void loop() {
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// read a sample
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int sample = I2S.read();
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if (sample) {
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// if it's non-zero print value to serial
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Serial.println(sample);
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}
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}
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