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.
73 lines
1.8 KiB
73 lines
1.8 KiB
3 years ago
|
|
||
|
|
|
||
|
|
#include <Audio.h>
|
||
|
|
#include <OpenAudio_ArduinoLibrary.h>
|
||
|
|
|
||
|
|
|
||
|
|
#define USE_F32_IO 1
|
||
|
|
|
||
|
|
AudioControlSGTL5000 sgtl5000_1;
|
||
|
|
|
||
|
|
#if USE_F32_IO
|
||
|
|
|
||
|
|
|
||
|
|
#if USE_CODEC_IN
|
||
|
|
|
||
|
|
#else // Use Sine Input
|
||
|
|
AudioSynthWaveformSine_F32 sine1;
|
||
|
|
AudioConvert_F32toI16 float2Int1; //, float2Int2;
|
||
|
|
AudioOutputI2S i2sOut;
|
||
|
|
//AudioOutputI2S_OA_F32 i2sOut;
|
||
|
|
|
||
|
|
/*
|
||
|
|
//Make all of the audio connections
|
||
|
|
AudioConnection patchCord1(i2s_in, 0, int2Float1, 0);
|
||
|
|
AudioConnection patchCord2(i2s_in, 1, int2Float2, 0);
|
||
|
|
AudioConnection_F32 patchCord10(int2Float1, 0, gain1, 0);
|
||
|
|
AudioConnection_F32 patchCord11(int2Float2, 0, gain2, 0);
|
||
|
|
* */
|
||
|
|
|
||
|
|
|
||
|
|
AudioConnection_F32 pc1(sine1, 0, float2Int1, 0);
|
||
|
|
|
||
|
|
|
||
|
|
AudioConnection_F32 patchCord12(float2Int1, 0, i2sOut, 0);
|
||
|
|
//AudioConnection_F32 patchCord13(gain2, 0, float2Int2, 0);
|
||
|
|
//AudioConnection_F32 patchCord20(sine1, 0, i2sOut, 0);
|
||
|
|
//AudioConnection_F32 patchCord21(sine1, 0, i2sOut, 1);
|
||
|
|
|
||
|
|
//AudioConnection_F32 patchCord12(gain1, 0, i2sOut, 0);
|
||
|
|
//AudioConnection_F32 patchCord13(gain2, 0, i2sOut, 1);
|
||
|
|
/*AudioInputI2S i2s_in;
|
||
|
|
AudioConvert_I16toF32 int2Float1, int2Float2;
|
||
|
|
AudioEffectGain_F32 gain1, gain2;
|
||
|
|
* */
|
||
|
|
void setup(void) {
|
||
|
|
Serial.begin(1); delay(1000);
|
||
|
|
Serial.println("Open Audio Test Input and Output");
|
||
|
|
|
||
|
|
AudioMemory(10);
|
||
|
|
AudioMemory_F32(10);
|
||
|
|
|
||
|
|
sgtl5000_1.enable();
|
||
|
|
sgtl5000_1.inputSelect(AUDIO_INPUT_LINEIN);
|
||
|
|
|
||
|
|
sine1.frequency(300.0);
|
||
|
|
sine1.amplitude(0.01f);
|
||
|
|
sine1.begin();
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
//sgtl5000_1.adcHighPassFilterEnable(); //LOW OUTPUT NO WHINEY NOISE, gain has no effect---Direct path??
|
||
|
|
//reduces noise. https://forum.pjrc.com/threads/27215-24-bit-audio-boards?p=78831&viewfull=1#post78831
|
||
|
|
sgtl5000_1.adcHighPassFilterDisable(); gain1.setGain_dB(40); // NOISE WITH WHINEY PITCH
|
||
|
|
|
||
|
|
gain2.setGain_dB(40);
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
void loop() {
|
||
|
|
}
|