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Microphone granular bitcrusher

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Gaël Jaton 2020-03-01 14:57:23 +01:00 committed by GitHub
parent 147f6fbf92
commit 7062c5a489
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developpement_electronique/t36hostjoystick_Microphone/t36hostjoystick_Microphone.ino Normal file
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// Joystick Logitec extreme3Dpro to teensy3.6 avec Mic PDM
#include <Audio.h>
#include <Wire.h>
#include <SPI.h>
#include <SD.h>
#include <SerialFlash.h>
// GUItool: begin automatically generated code
AudioInputPDM pdm1; //xy=218.88888888888889,241.11111111111111
AudioEffectGranular granular1; //xy=372.22216796875,159.9999542236328
AudioEffectBitcrusher bitcrusher1; //xy=543.3333129882812,161.11109924316406
AudioOutputAnalogStereo dacs1; //xy=685.888916015625,246.88890075683594
AudioConnection patchCord1(pdm1, granular1);
AudioConnection patchCord2(granular1, bitcrusher1);
AudioConnection patchCord3(bitcrusher1, 0, dacs1, 0);
AudioConnection patchCord4(bitcrusher1, 0, dacs1, 1);
// GUItool: end automatically generated code
#define GRANULAR_MEMORY_SIZE 25600 // 12800 enough for 290 ms at 44.1 kHz
int16_t granularMemory[GRANULAR_MEMORY_SIZE];
#include "USBHost_t36.h"
USBHost usbHost1;
USBHIDParser usbHid1( usbHost1 );
JoystickController stick( usbHost1 );
bool freeze = 0;
void setup( ) {
AudioMemory(40);
usbHost1.begin();
bitcrusher1.bits(16); /////////////////
bitcrusher1.sampleRate(44100);
granular1.begin(granularMemory, GRANULAR_MEMORY_SIZE);
//granular1.beginPitchShift(25);
}
void loop() {
usbHost1.Task();
int Xjoy = stick.getAxis( 0 );
int Yjoy = stick.getAxis( 1 );
int Zjoy = stick.getAxis( 5 );
int Cross = stick.getAxis( 9 );
uint32_t buttons = stick.getButtons();
if (buttons > 1) {
byte bitc = buttons;
bitcrusher1.bits(bitc);
}
else bitcrusher1.bits(16);
long SR = sq(1023 - Yjoy)/24;
Serial.print(SR); Serial.println();
bitcrusher1.sampleRate(SR);
//granular1.beginPitchShift(10);
if (buttons==1 && freeze == 0) {
freeze=1;
float msec = 10+(1023-Xjoy)/2;//500.0; // + (knobA3 * 190.0);
granular1.beginFreeze(msec);
}
if(buttons ==0 ){
freeze=0;
granular1.stop();
}
float ratio;
if(Zjoy>=0 && Zjoy<32) ratio = 0.25;
if(Zjoy>=32 && Zjoy<96) ratio = 0.5;
if(Zjoy>=96 && Zjoy<160) ratio = 1.0;
if(Zjoy>=160 && Zjoy<224) ratio = 2.0;
if(Zjoy>=224 && Zjoy<256) ratio = 4.0;
//ratio = powf(2.0, (Zjoy)/255.0 * 2.0 - 1.0); // 0.5 to 2.0
//ratio = powf(2.0, knobA2 * 6.0 - 3.0); // 0.125 to 8.0 -- uncomment for far too much range!
granular1.setSpeed(ratio);
delay(10);
}