You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.5 KiB
44 lines
1.5 KiB
/*
|
|
SineCosOut.ino - Sine left, Cos right
|
|
Bob Larkin 28 Dec 2020
|
|
|
|
Basic test of I2S input and output.
|
|
Tested on T3.6 and T4.0
|
|
Public Domain
|
|
*/
|
|
#include "Audio.h" // Teensy I16 Audio Library
|
|
#include "OpenAudio_ArduinoLibrary.h" // F32 library
|
|
#include "AudioStream_F32.h"
|
|
|
|
AudioSynthSineCosine_F32 sineCos;
|
|
AudioAnalyzePeak_F32 peakL;
|
|
AudioAnalyzePeak_F32 peakR;
|
|
//AudioOutputI2S_OA_F32 i2sOut;
|
|
AudioOutputI2S_F32 i2sOut;
|
|
AudioConnection_F32 patchCord0(sineCos, 0, peakL, 0);
|
|
AudioConnection_F32 patchCord1(sineCos, 1, peakR, 0);
|
|
AudioConnection_F32 patchCord2(sineCos, 0, i2sOut, 0); // Sine
|
|
AudioConnection_F32 patchCord3(sineCos, 1, i2sOut, 1); // Cosine
|
|
AudioControlSGTL5000 codec1;
|
|
|
|
void setup() {
|
|
Serial.begin(9600); // (anything)
|
|
delay(1000);
|
|
Serial.println("OpenAudio_ArduinoLibrary - Sine-Cosine Stereo");
|
|
// Internally, I16 memory blocks are used. Needs modification, but
|
|
// for now, supply 4 for F32 input and 4 for F32 output (shared).
|
|
AudioMemory(4);
|
|
AudioMemory_F32(20);
|
|
codec1.enable(); // MUST be before inputSelect()
|
|
codec1.inputSelect(AUDIO_INPUT_LINEIN);
|
|
sineCos.amplitude(0.2); sineCos.frequency(600.0f);
|
|
}
|
|
|
|
void loop() {
|
|
Serial.print("Max float memory = ");
|
|
Serial.println(AudioStream_F32::f32_memory_used_max);
|
|
if(peakL.available()) Serial.print(peakL.read(), 6);
|
|
Serial.print(" <-L R-> ");
|
|
if(peakR.available()) Serial.println(peakR.read(), 6);
|
|
delay(500);
|
|
}
|
|
|