Vumètre MIDI Arduino

int velocity;


#include <MIDIUSB.h>
#include "pitchToFrequency.h"
//#include <FastLED.h>
#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels?
#define PIN 6 // pin strip

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 8 // Popular NeoPixel

// When setting up the NeoPixel library, we tell it how many pixels,
// and which pin to use to send signals. Note that for older NeoPixel
// strips you might need to change the third parameter -- see the
// strandtest example for more information on possible values.
Adafruit_NeoPixel strip(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);


uint32_t offColor = strip.Color(0, 0, 0); // Strip off
uint32_t whiteColor = strip.Color(255, 255, 255);
uint32_t yellowColor = strip.Color(127, 64, 0);
uint32_t redColor = strip.Color(255, 0, 0);
uint32_t blueColor = strip.Color(0, 0, 255);

#define BUZZ_PIN 9 // pin sortie buzzer

byte ng;
byte oct;
const char* pitch_name(byte pitch) {
static const char* names[] = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
return names[pitch % 12];
}

int pitch_octave(byte pitch) {
return (pitch / 12) - 1;
}

void noteOn(byte channel, byte pitch, byte velocity) {
tone(BUZZ_PIN, pitchFrequency[pitch]);

Serial.print("Note On: ");
Serial.print(pitch_name(pitch));
Serial.print(pitch_octave(pitch));
Serial.print(", channel=");
Serial.print(channel);
Serial.print(", velocity=");
Serial.print(velocity);
ng = pitch % 12;
oct = pitch / 12;
Serial.print(", ng= ");
Serial.println(ng);
strip.setPixelColor(ng, 0, 150, 0);
strip.show();

}

void noteOff(byte channel, byte pitch, byte velocity) {
noTone(BUZZ_PIN);

Serial.print("Note Off: ");
Serial.print(pitch_name(pitch));
Serial.print(pitch_octave(pitch));
Serial.print(", channel=");
Serial.print(channel);
Serial.print(", velocity=");
Serial.println(velocity);

ng = pitch % 12;
Serial.print(", ng= ");
Serial.println(ng);
strip.setPixelColor(ng, 0, 0, 0);
strip.show();



}

void controlChange(byte channel, byte control, byte value) {
Serial.print("Control change: control=");
Serial.print(control);
Serial.print(", value=");
Serial.print(value);
Serial.print(", channel=");
Serial.println(channel);
}

void setup() {
Serial.begin(115200);
strip.begin();
strip.clear();
}

void loop() {


noPixels();
midiEventPacket_t rx = MidiUSB.read();
switch (rx.header) {
case 0:
break; //No pending events

case 0x9:
noteOn(
rx.byte1 & 0xF, //channel
rx.byte2, //pitch
rx.byte3 //velocity


);
velocity = rx.byte3;

break;

case 0x8:
noteOff(
rx.byte1 & 0xF, //channel
rx.byte2, //pitch
rx.byte3 //velocity

);
velocity = 0;
break;


case 0xB:
controlChange(
rx.byte1 & 0xF, //channel
rx.byte2, //control
rx.byte3 //value
);
break;


default:
Serial.print("Unhandled MIDI message: ");
Serial.print(rx.header, HEX);
Serial.print("-");
Serial.print(rx.byte1, HEX);
Serial.print("-");
Serial.print(rx.byte2, HEX);
Serial.print("-");
Serial.println(rx.byte3, HEX);
}



//strip.noPixels();
if (velocity > 50) {
// pixels.setPixelColor(0, whiteColor);
strip.setPixelColor(0, whiteColor);
}
else {
strip.setPixelColor(0, offColor);
}
if (velocity > 65) {
// pixels.setPixelColor(1, whiteColor);
strip.setPixelColor(1, whiteColor);
}
else {
strip.setPixelColor(1, offColor);
}
if (velocity > 80) {
// pixels.setPixelColor(2, whiteColor);
strip.setPixelColor(2, whiteColor);
}
else {
strip.setPixelColor(2, offColor);
}
if (velocity > 95) {
// pixels.setPixelColor(3, whiteColor);
strip.setPixelColor(3, whiteColor);
}
else {
strip.setPixelColor(3, offColor);
}
if (velocity > 100) {
// pixels.setPixelColor(4, whiteColor);
strip.setPixelColor(4, whiteColor);
}
else {
strip.setPixelColor(4, offColor);
}
if (velocity > 110 ) {
// pixels.setPixelColor(5, blueColor);
strip.setPixelColor(5, blueColor);
}
else {
strip.setPixelColor(5, offColor);
}
if (velocity > 120) {
// pixels.setPixelColor(6, blueColor);
strip.setPixelColor(6, blueColor);
}
else {
strip.setPixelColor(6, offColor);
}
if (velocity > 126) {
// pixels.setPixelColor(7, redColor);
strip.setPixelColor(7, redColor);
}
else {
strip.setPixelColor(7, offColor);
}
strip.show();

}




void noPixels()
{
for (int i = 0; i < NUMPIXELS; i++) {
strip.setPixelColor(i, offColor);
}
strip.show();
}

int velocity;
int canal;
int pitch;


#include <MIDIUSB.h>
#include "pitchToFrequency.h"
//#include <FastLED.h>
#include <Adafruit_NeoPixel.h>

// Which pin on the Arduino is connected to the NeoPixels?
#define PIN 6 // pin strip

// How many NeoPixels are attached to the Arduino?
#define NUMPIXELS 32 // Popular NeoPixel

// When setting up the NeoPixel library, we tell it how many pixels,
// and which pin to use to send signals. Note that for older NeoPixel
// strips you might need to change the third parameter -- see the
// strandtest example for more information on possible values.
Adafruit_NeoPixel strip(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);


uint32_t offColor = strip.Color(0, 0, 0); // Strip off
uint32_t whiteColor = strip.Color(255, 255, 255);
uint32_t yellowColor = strip.Color(127, 64, 0);
uint32_t redColor = strip.Color(255, 0, 0);
uint32_t blueColor = strip.Color(0, 0, 255);

byte ng;
byte oct;
const char* pitch_name(byte pitch) {
static const char* names[] = {"C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B"};
return names[pitch % 12];
}

int pitch_octave(byte pitch) {
return (pitch / 12) - 1;
}

void noteOn(byte channel, byte pitch, byte velocity) {

Serial.print("Note On: ");
Serial.print(pitch_name(pitch));
Serial.print(pitch_octave(pitch));
Serial.print(", channel=");
Serial.print(channel);
Serial.print("pitch=");
Serial.println(pitch);
Serial.print(", velocity=");
Serial.print(velocity);
ng = pitch % 12;
oct = pitch / 12;
Serial.print(", ng= ");
Serial.println(ng);
strip.setPixelColor(ng, 0, 150, 0);
strip.show();

}

void noteOff(byte channel, byte pitch, byte velocity) {

Serial.print("Note Off: ");
Serial.print(pitch_name(pitch));
Serial.print(pitch_octave(pitch));
Serial.print(", channel=");
Serial.print(channel);
Serial.print("pitch=");
Serial.println(pitch);
Serial.print(", velocity=");
Serial.println(velocity);

ng = pitch % 12;
Serial.print(", ng= ");
Serial.println(ng);
strip.setPixelColor(ng, 0, 0, 0);
strip.show();



}

void controlChange(byte channel, byte control, byte value) {
Serial.print("Control change: control=");
Serial.print(control);
Serial.print(", value=");
Serial.print(value);
Serial.print(", channel=");
Serial.println(channel);
}

void setup() {
Serial.begin(115200);
strip.begin();
strip.clear();
}

void loop() {


noPixels();
midiEventPacket_t rx = MidiUSB.read();
switch (rx.header) {
case 0:
break; //No pending events

case 0x9:
noteOn(
rx.byte1 & 0xF, //channel
rx.byte2, //pitch
rx.byte3 //velocity


);
canal=rx.byte1 & 0xF;
pitch=rx.byte2;
velocity=rx.byte3;

break;

case 0x8:
noteOff(
rx.byte1 & 0xF, //channel
rx.byte2, //pitch
rx.byte3 //velocity

);
velocity=0;
pitch=rx.byte2;
canal=rx.byte1 & 0xF;
break;


case 0xB:
controlChange(
rx.byte1 & 0xF, //channel
rx.byte2, //control
rx.byte3 //value
);
canal=rx.byte1 & 0xF;
break;


default:
Serial.print("Unhandled MIDI message: ");
Serial.print(rx.header, HEX);
Serial.print("-");
Serial.print(rx.byte1, HEX);
Serial.print("-");
Serial.print(rx.byte2, HEX);
Serial.print("-");
Serial.println(rx.byte3, HEX);
}



//strip.noPixels();
if ((canal == 15) && (pitch == 21) && (velocity > 50)) {
// pixels.setPixelColor(0, whiteColor);
strip.setPixelColor(0, whiteColor);
}
else {
strip.setPixelColor(0, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 65)) {
// pixels.setPixelColor(1, whiteColor);
strip.setPixelColor(1, whiteColor);
}
else {
strip.setPixelColor(1, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 80)) {
// pixels.setPixelColor(2, whiteColor);
strip.setPixelColor(2, whiteColor);
}
else {
strip.setPixelColor(2, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 95)) {
// pixels.setPixelColor(3, whiteColor);
strip.setPixelColor(3, whiteColor);
}
else {
strip.setPixelColor(3, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 100)) {
// pixels.setPixelColor(4, whiteColor);
strip.setPixelColor(4, whiteColor);
}
else {
strip.setPixelColor(4, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 110)) {
// pixels.setPixelColor(5, blueColor);
strip.setPixelColor(5, blueColor);
}
else {
strip.setPixelColor(5, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 120)) {
// pixels.setPixelColor(6, blueColor);
strip.setPixelColor(6, blueColor);
}
else {
strip.setPixelColor(6, offColor);
}
if ((canal == 15) && (pitch == 21) && (velocity > 126)) {
// pixels.setPixelColor(7, redColor);
strip.setPixelColor(7, redColor);
}
else {
strip.setPixelColor(7, offColor);
}
strip.show();

}




void noPixels()
{
for (int i = 0; i < NUMPIXELS; i++) {
strip.setPixelColor(i, offColor);
}
strip.show();
}