Lab_interaccio/2013/bhoreal_mini_midi/Bhoreal.cpp

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2025-02-25 21:29:42 +01:00
#include "bhoreal.h"
#include "Adafruit_NeoPixel.h"
byte tempR;
byte tempC;
byte lastread;
byte command = 0;
boolean ready = true;
boolean refresh_ok = false;
uint16_t IntensityMAX = 255;
// Default draw colour. Each channel can be between 0 and 4095.
int red = 0;
int green = 0;
int blue = 0;
// Auxiliary analog output definitions
#define ANALOG0 A5 //POTENCIOMETRO
#define ANALOG1 A1
boolean adc[2] = { //On or off state
0, 0};
byte analogval[2]; //The last reported value
byte tempADC; //Temporary storage for comparison purposes
uint16_t MODEL = MINISLIM; //Modelo
uint16_t MAX = 4;
int NUM_LEDS = 16;
#define PIN 11
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUM_LEDS, PIN, NEO_GRB + NEO_KHZ800);
boolean pressed[4][4] =
{
{1,1,1,1},
{1,1,1,1},
{1,1,1,1},
{1,1,1,1}
};
const byte remapMini[4][4] =
{
{ 3, 4, 11, 12 },
{ 2, 5, 10, 13 },
{ 1, 6, 9, 14 },
{ 0, 7, 8, 15 }
};
int levelR[16] = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
};
int levelG[64] = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
};
int levelB[64] = {
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
};
byte row[4] = {
13, 5, 10, 9};
byte column[4] = {
8, 6, 12, 4};
//////////////////////////////////////////////////////////////////////
////////////////////// BHOREAL BEGIN //////////////////////
//////////////////////////////////////////////////////////////////////
void Bhoreal::begin(uint16_t DEVICE, uint32_t BAUD)
{
for(byte i = 0; i<4; i++)
{
pinMode(column[i], INPUT);
pinMode(row[i], OUTPUT);
digitalWrite(row[i], LOW);
}
// Start the serial port
#if SERIAL_ENABLE
Serial.begin(BAUD);
#endif
/* Setup the timer interrupt*/
strip.begin();
strip.show();
PORTE |= B01000000;
DDRE |= B01000000;
timer1Initialize();
//timer3Initialize(); // Disable Serial interrupt!
}
////////////////////////////////////////////////////////////////
////////////////////// STARTUP //////////////////////
////////////////////////////////////////////////////////////////
// Run this animation once at startup. Currently unfinished.
void Bhoreal::startup(){
for(int x = 0; x < NUM_LEDS; ++x){
uint32_t c = hue2rgb(x*8);
uint8_t
r = (uint8_t)(c >> 16),
g = (uint8_t)(c >> 8),
b = (uint8_t)c;
levelR[remapMini[x>>2][x%4]] = r;
levelG[remapMini[x>>2][x%4]] = g;
levelB[remapMini[x>>2][x%4]] = b;
}
for(int x = 0; x < NUM_LEDS; ++x) strip.setPixelColor(x, levelR[x], levelG[x], levelB[x]);
strip.show();
}
//////////////////////////////////////////////////////////////////////
////////////////////// SERIAL PRESS & RELEASE //////////////////////
//////////////////////////////////////////////////////////////////////
void Bhoreal::on_press(byte r, byte c){
#if SERIAL_ENABLE
Serial.write( 1);
Serial.write( (r << 4) | c);
#endif
MIDIEvent e1 = { 0x09, 0x90, ((r << 2) | c) , 64 };
MIDIUSB.write(e1);
}
void Bhoreal::on_release(byte r, byte c){
#if SERIAL_ENABLE
Serial.write( byte(0) );
Serial.write( (r << 4) | c);
#endif
MIDIEvent e1 = { 0x09, 0x90, ((r << 2) | c) , 0 };
MIDIUSB.write(e1);
}
///////////////////////////////////////////////////////////////
////////////////////// CHECK BUTTONS //////////////////////
///////////////////////////////////////////////////////////////
void Bhoreal::checkButtons(){
for(byte c = 0; c < MAX; c++)
{
digitalWrite(row[c],HIGH);
for(int r= MAX - 1; r >= 0; r--)
{
if(pressed[c][r] != digitalRead(column[r]))
{ // read the state
delay(1); // Antirebotes!!!
pressed[c][r] = digitalRead(column[r]);
if(pressed[c][r]) on_press(c, r);
else on_release(c, r);
}
}
digitalWrite(row[c],LOW);
}
}
////////////////////////////////////////////////////////////////
////////////////////// REFRESH LED //////////////////////
////////////////////////////////////////////////////////////////
unsigned long time = 0;
void Bhoreal::refresh(){
if (refresh_ok)
{
strip.show();
refresh_ok=false;
}
// if ((millis() - time)>=100)
// {
// strip.show();
// time = millis();
// }
}
////////////////////////////////////////////////////////////////
////////////////////// REFRESH MIDI & LED /////////////////////
////////////////////////////////////////////////////////////////
void Bhoreal::midiRefresh(){
while(MIDIUSB.available() > 0)
{
MIDIEvent e;
e = MIDIUSB.read();
#if SERIAL_ENABLE
if(MIDI_DEBUG)
{
if(e.type != 0x0F) // timestamp 1 BYTE
{
Serial.print("Midi Packet: ");
Serial.print(e.type);
Serial.print("\t");
Serial.print(e.m1);
Serial.print("\t");
Serial.print(e.m2);
Serial.print("\t");
Serial.println(e.m3);
}
}
#endif
if((e.type == 0x09) && (e.m3)) // mensaje de NoteON con velocidad mayor que cero
{
uint32_t c = hue2rgb(e.m3);
uint8_t
r = (uint8_t)(c >> 16),
g = (uint8_t)(c >> 8),
b = (uint8_t)c;
strip.setPixelColor(remapMini[e.m2>>2][e.m2%4], r, g, b);
strip.show();
}
else if( (e.type == 0x08) || ((e.type == 0x09) && !e.m3) ) // mensaje de NoteOFF
{
strip.setPixelColor(remapMini[e.m2>>2][e.m2%4], 0, 0, 0);
strip.show();
}
MIDIUSB.flush(); // delete it???
}
}
////////////////////////////////////////////////////////////////
////////////////////// CHECK ADC INPUTS //////////////////////
////////////////////////////////////////////////////////////////
void Bhoreal::checkADC(){
// For all of the ADC's which are activated, check if the analog value has changed,
// and send a message if it has.
if(adc[0]){
tempADC = (analogRead(ANALOG0) >> 2);
if(abs((int)analogval[0] - (int)tempADC) > 3 ){
analogval[0] = tempADC;
#if SERIAL_ENABLE
Serial.write(14 << 4);
Serial.write(analogval[0]);
#endif
}
}
if(adc[1]){
if(analogval[1] != (analogRead(ANALOG1) >> 2)){
analogval[1] = (analogRead(ANALOG1) >> 2);
#if SERIAL_ENABLE
Serial.write(14 << 4 | 1);
Serial.write(analogval[1]);
#endif
}
}
}
////////////////////////////////////////////////////////////////
////////////////////// SERIAL INTERRUPT //////////////////////
////////////////////////////////////////////////////////////////
//boolean flag = true;
/*TIMER*/
ISR(TIMER3_OVF_vect)
{
cli();
do{ // This do ensures that the data is always parsed at least once per cycle
#if SERIAL_ENABLE
if(Serial.available()){
if(ready){ // If the last command has finished executing, read in the next command and reset the command flag
command = Serial.read();
ready = false;
}
switch (command >> 4) { //Execute the appropriate command, but only if we have received enough bytes to complete it. We might one day add "partial completion" for long command strings.
case 1: // set colour
if( Serial.available() > 2 ) {
red = Serial.read();
green = Serial.read();
blue = Serial.read();
ready=true;
}
break;
case 2: // led_on
if( Serial.available() ) {
lastread = Serial.read();
tempR = lastread >> 4;
tempC = lastread & B1111;
if ((tempR < MAX)&&(tempC < MAX))
{
levelR[remapMini[tempC][tempR]] = red;
levelG[remapMini[tempC][tempR]] = green;
levelB[remapMini[tempC][tempR]] = blue;
strip.setPixelColor(remapMini[tempC][tempR], red, green, blue);
refresh_ok=true;
}
ready = true;
}
break;
case 3: // led_off
if( Serial.available() ) {
lastread = Serial.read();
tempR = lastread >> 4;
tempC = lastread & B1111;
if ((tempR < MAX)&&(tempC < MAX))
{
levelR[remapMini[tempC][tempR]] = 0;
levelG[remapMini[tempC][tempR]] = 0;
levelB[remapMini[tempC][tempR]] = 0;
strip.setPixelColor(remapMini[tempC][tempR], 0, 0, 0);
refresh_ok=true;
}
ready = true;
}
break;
case 4: // led_row1
if( Serial.available() ) {
tempR = command & B1111;
lastread = Serial.read();
if (tempR < MAX)
{
for(tempC = 0; tempC < MAX; ++tempC){
if(lastread & (1 << tempC) ){
levelR[remapMini[tempR][tempC]] = red;
levelG[remapMini[tempR][tempC]] = green;
levelB[remapMini[tempR][tempC]] = blue;
strip.setPixelColor(remapMini[tempR][tempC], red, green, blue);
}
else {
levelR[remapMini[tempR][tempC]] = 0;
levelG[remapMini[tempR][tempC]] = 0;
levelB[remapMini[tempR][tempC]] = 0;
strip.setPixelColor(remapMini[tempR][tempC], 0, 0, 0);
}
}
}
refresh_ok=true;
ready = true;
}
break;
case 5: // led_col1
if( Serial.available() ) {
tempC = command & B1111;
lastread = Serial.read();
if (tempC < MAX)
{
for(tempR = 0; tempR < MAX; ++tempR){
if(lastread & (1 << tempR) ){
levelR[remapMini[tempR][tempC]] = red;
levelG[remapMini[tempR][tempC]] = green;
levelB[remapMini[tempR][tempC]] = blue;
strip.setPixelColor(remapMini[tempR][tempC], red, green, blue);
}
else {
levelR[remapMini[tempR][tempC]] = 0;
levelG[remapMini[tempR][tempC]] = 0;
levelB[remapMini[tempR][tempC]] = 0;
strip.setPixelColor(remapMini[tempR][tempC], 0, 0, 0);
}
}
}
refresh_ok=true;
ready = true;
}
break;
case 8: //frame
if( Serial.available() > 7 ) {
for(tempR=0; tempR < MAX; ++tempR){
lastread = Serial.read();
for(tempC = 0; tempC < MAX; ++tempC){
if(lastread & (1 << tempC) ){
levelR[remapMini[tempR][tempC]] = red;
levelG[remapMini[tempR][tempC]] = green;
levelB[remapMini[tempR][tempC]] = blue;
strip.setPixelColor(remapMini[tempR][tempC], red, green, blue);
}
else {
levelR[remapMini[tempR][tempC]] = 0;
levelG[remapMini[tempR][tempC]] = 0;
levelB[remapMini[tempR][tempC]] = 0;
strip.setPixelColor(remapMini[tempR][tempC], 0, 0, 0);
}
}
}
refresh_ok=true;
ready = true;
}
break;
case 9: //clear
if(command & 1){
byte TEMPMAX = MAX*MAX;
for(int x = 0; x< TEMPMAX;++x){
levelR[x] = red;
levelG[x] = green;
levelB[x] = blue;
strip.setPixelColor(x, red, green, blue);
}
}
else{
byte TEMPMAX = MAX*MAX;
for(int x = 0; x< TEMPMAX;++x){
levelR[x] = 0;
levelG[x] = 0;
levelB[x] = 0;
strip.setPixelColor(x, 0, 0, 0);
}
}
refresh_ok=true;
ready = true;
break;
case 12:
switch(command & 15){
case 0:
adc[0] = true;
analogval[0] = (analogRead(ANALOG0) >> 2);
Serial.write(14 << 4);
Serial.write(analogval[0]);
break;
case 1:
adc[1] = true;
analogval[1] = (analogRead(ANALOG1) >> 2);
Serial.write(14 << 4 | 1);
Serial.write(analogval[1]);
break;
default:
break;
}
ready = true;
break;
case 13:
adc[command & 15] = false;
ready = true;
break;
default:
break;
}
}
#endif
}
// If the serial buffer is getting too close to full, keep executing the parsing until it falls below a given level
// This might cause flicker, or even dropped messages, but it should prevent a crash.
while (Serial.available() > TOOFULL);
strip.show();
sei();
}
///////////////////////////////////////////////////////////////
////////////////////// TIMERS SETTINGS //////////////////////
///////////////////////////////////////////////////////////////
#define RESOLUTION 65536 // Timer1 is 16 bit
unsigned int pwmPeriod;
unsigned char clockSelectBits;
char oldSREG; // To hold Status
void setPeriodTimer1(long microseconds) // AR modified for atomic access
{
long cycles = (F_CPU / 2000000) * microseconds; // the counter runs backwards after TOP, interrupt is at BOTTOM so divide microseconds by 2
if(cycles < RESOLUTION) clockSelectBits = _BV(CS10); // no prescale, full xtal
else if((cycles >>= 3) < RESOLUTION) clockSelectBits = _BV(CS11); // prescale by /8
else if((cycles >>= 3) < RESOLUTION) clockSelectBits = _BV(CS11) | _BV(CS10); // prescale by /64
else if((cycles >>= 2) < RESOLUTION) clockSelectBits = _BV(CS12); // prescale by /256
else if((cycles >>= 2) < RESOLUTION) clockSelectBits = _BV(CS12) | _BV(CS10); // prescale by /1024
else cycles = RESOLUTION - 1, clockSelectBits = _BV(CS12) | _BV(CS10); // request was out of bounds, set as maximum
oldSREG = SREG;
cli(); // Disable interrupts for 16 bit register access
ICR1 = pwmPeriod = cycles; // ICR1 is TOP in p & f correct pwm mode
SREG = oldSREG;
TCCR1B &= ~(_BV(CS10) | _BV(CS11) | _BV(CS12));
TCCR1B |= clockSelectBits; // reset clock select register, and starts the clock
}
void Bhoreal::timer1Initialize()
{
TCCR1A = 0; // clear control register A
TCCR1B = _BV(WGM13); // set mode 8: phase and frequency correct pwm, stop the timer
setPeriodTimer1(5);
TIMSK1 = _BV(TOIE1);
}
boolean flag = false;
ISR(TIMER1_OVF_vect)
{
if (flag) { PORTE |= B01000000; flag=0;}
else if (!flag) { PORTE &= B10111111; flag=1;}
}
void setPeriodTimer3(long microseconds) // AR modified for atomic access
{
long cycles = (F_CPU / 2000000) * microseconds; // the counter runs backwards after TOP, interrupt is at BOTTOM so divide microseconds by 2
if(cycles < RESOLUTION) clockSelectBits = _BV(CS30); // no prescale, full xtal
else if((cycles >>= 3) < RESOLUTION) clockSelectBits = _BV(CS31); // prescale by /8
else if((cycles >>= 3) < RESOLUTION) clockSelectBits = _BV(CS31) | _BV(CS30); // prescale by /64
else if((cycles >>= 2) < RESOLUTION) clockSelectBits = _BV(CS32); // prescale by /256
else if((cycles >>= 2) < RESOLUTION) clockSelectBits = _BV(CS32) | _BV(CS30); // prescale by /1024
else cycles = RESOLUTION - 1, clockSelectBits = _BV(CS32) | _BV(CS30); // request was out of bounds, set as maximum
oldSREG = SREG;
cli(); // Disable interrupts for 16 bit register access
ICR3 = pwmPeriod = cycles; // ICR1 is TOP in p & f correct pwm mode
SREG = oldSREG;
TCCR3B &= ~(_BV(CS30) | _BV(CS31) | _BV(CS32));
TCCR3B |= clockSelectBits; // reset clock select register, and starts the clock
}
void Bhoreal::timer3Initialize()
{
TCCR3A = 0; // clear control register A
TCCR3B = _BV(WGM33); // set mode 8: phase and frequency correct pwm, stop the timer
setPeriodTimer3(10000);
TIMSK3 = _BV(TOIE3);
// TCCR3A = 0;
// TCCR3B = 0<<CS32 | 0<<CS31 | 1<<CS30;
// //Timer1 Overflow Interrupt Enable
// TIMSK3 = 1<<TOIE3;
}
///////////////////////////////////////////////////////////////
////////////////////// HUE -> RGB //////////////////////
///////////////////////////////////////////////////////////////
uint32_t Bhoreal::hue2rgb(uint16_t hueValue)
{
uint8_t r;
uint8_t g;
uint8_t b;
hueValue<<= 3;
if (hueValue < 341) { // Lowest third of the potentiometer's range (0-340)
hueValue = (hueValue * 3) / 4; // Normalize to 0-255
r = 255 - hueValue; // Red from full to off
g = hueValue; // Green from off to full
b = 1; // Blue off
}
else if (hueValue < 682) { // Middle third of potentiometer's range (341-681)
hueValue = ( (hueValue-341) * 3) / 4; // Normalize to 0-255
r = 1; // Red off
g = 255 - hueValue; // Green from full to off
b = hueValue; // Blue from off to full
}
else { // Upper third of potentiometer"s range (682-1023)
hueValue = ( (hueValue-683) * 3) / 4; // Normalize to 0-255
r = hueValue; // Red from off to full
g = 1; // Green off
b = 255 - hueValue; // Blue from full to off
}
return ((uint32_t)r << 16) | ((uint32_t)g << 8) | b;
}