M62446 (Страница 2 из 3)

#define LATCH   2
#define DATA    3
#define CLOCK   4

void setup() {
  Serial.begin(9600);
  pinMode(LATCH, OUTPUT);digitalWrite(LATCH, LOW);
  pinMode(DATA, OUTPUT);digitalWrite(DATA, LOW);
  pinMode(CLOCK, OUTPUT);digitalWrite(CLOCK, LOW);
  delay(100);
}

void loop() {
  byte_1(5,0b0000,5,0);// treb -7...7, port 0b0000, bass -5...5, bypass = 0
  byte_2(0,0);// 0...95 = 0...-95 dB mute = 112
  byte_3(0,0);// 0...95 = 0...-95 dB mute = 112
  byte_4(0,0);// 0...95 = 0...-95 dB mute = 112
  delay(1000);

}

void byte_1(int treb, byte port, int bass, bool by_pass){
  // treb int -7...+7 === -14...+14 dB
  // bass int -7...+7 === -14...+14 dB
  // byte port 0b0000....0b1111
  // by_pass  === 0 TONE | 1 BYPASS 
  switch(treb){
    case -7: treb = 0b1111;break;
    case -6: treb = 0b1101;break;
    case -5: treb = 0b1110;break;
    case -4: treb = 0b1100;break;
    case -3: treb = 0b1011;break;
    case -2: treb = 0b1010;break;
    case -1: treb = 0b1001;break;
    case  0: treb = 0b0000;break;
    case  1: treb = 0b0001;break;
    case  2: treb = 0b0010;break;
    case  3: treb = 0b0011;break;
    case  4: treb = 0b0100;break;
    case  5: treb = 0b0110;break;
    case  6: treb = 0b0101;break;
    case  7: treb = 0b0111;break;
    }
  switch(bass){
    case -7: bass = 0b1111;break;
    case -6: bass = 0b1101;break;
    case -5: bass = 0b1110;break;
    case -4: bass = 0b1100;break;
    case -3: bass = 0b1011;break;
    case -2: bass = 0b1010;break;
    case -1: bass = 0b1001;break;
    case  0: bass = 0b0000;break;
    case  1: bass = 0b0001;break;
    case  2: bass = 0b0010;break;
    case  3: bass = 0b0011;break;
    case  4: bass = 0b0100;break;
    case  5: bass = 0b0110;break;
    case  6: bass = 0b0101;break;
    case  7: bass = 0b0111;break;
    }  
  unsigned int data_byte = (treb<<12)|(port<<8)|(bass<<4)|(by_pass<<2)|0b00;
  writeByte(data_byte);  
  }

void byte_2(int vol_l, int vol_r){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_l>79){vol_l=vol_l+16;}
  if(vol_r>79){vol_r=vol_r+16;}
  unsigned int data_byte = (vol_l<<9)|(vol_r<<2)|0b01;
  writeByte(data_byte); 
  }  
void byte_3(int vol_c, int vol_sw){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_c>79){vol_c=vol_c+16;}
  if(vol_sw>79){vol_sw=vol_sw+16;}
  unsigned int data_byte = (vol_c<<9)|(vol_sw<<2)|0b10;
  writeByte(data_byte); 
  }  
void byte_4(int vol_sl, int vol_sr){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_sl>79){vol_sl=vol_sl+16;}
  if(vol_sr>79){vol_sr=vol_sr+16;}
  unsigned int data_byte = (vol_sl<<9)|(vol_sr<<2)|0b11;
  writeByte(data_byte); 
  }    

void writeByte(uint16_t data){
    digitalWrite(LATCH, HIGH); delayMicroseconds(1);
    digitalWrite(LATCH, LOW); delayMicroseconds(3);
    for (int i = 15; i >= 0; i--) {
        digitalWrite(DATA, (data >> i) & 1); delayMicroseconds(3);
        digitalWrite(CLOCK, HIGH); delayMicroseconds(3);
        digitalWrite(CLOCK, LOW); delayMicroseconds(3);
    }
    digitalWrite(LATCH, HIGH); delayMicroseconds(1);
    digitalWrite(LATCH, LOW); delayMicroseconds(3);
}

// M62446
#define LATCH   2
#define DATA    3
#define CLOCK   4
// ENCODER
#define ENC_SW  10
#define ENC_DT  9
#define ENC_CLK 8
// ВЫХОД УПРАВЛЕНИЯ ПОДСВЕТКОЙ D6
#define BRIG_H  200      // Яркость 0...255 POWER ON
#define BRIG_L  50       // Яркость 0...255 POWER OFF
// BUTTON
#define SET     A0
#define MUTE    A1
#define STANDBY A2
#define ST_OUT  13
// IR
#define IR_OK    0x33B8A05F // Кнопка OK
#define IR_UP    0x33B810EF // Кнопка >
#define IR_DW    0x33B8E01F // Кнопка <
#define IR_SET   0x33B844BB // Кнопка SET
#define IR_MUTE  0x33B8946B // Кнопка MUTE
#define IR_POWER 0x33B800FF // Кнопка STANDBY (POWER)

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>  // http://forum.rcl-radio.ru/misc.php?action=pan_download&item=45&download=1
#include <Encoder.h>            // http://rcl-radio.ru/wp-content/uploads/2019/05/Encoder.zip    
#include <EEPROM.h>
#include <MsTimer2.h>           // http://rcl-radio.ru/wp-content/uploads/2018/11/MsTimer2.zip       
#include <boarddefs.h>          // входит в состав библиотеки IRremote
#include <IRremote.h>           // http://rcl-radio.ru/wp-content/uploads/2019/06/IRremote.zip
#include <DS3231.h>             // http://rcl-radio.ru/wp-content/uploads/2022/10/DS3231.zip

 DS3231 clock;RTCDateTime DateTime;
 LiquidCrystal_I2C lcd(0x27,20,4);  // Устанавливаем дисплей
 IRrecv irrecv(12); // указываем вывод модуля IR приемника
 Encoder myEnc(ENC_DT, ENC_CLK);
 decode_results ir; 

 unsigned long time0,oldPosition  = -999,newPosition;
 int menu0,menu,menu1,temp0,z1,z0,z,vol,treb,bass,par,treb_d,bass_d,vol_d,z_old;
 byte gr1,gr2,www,power,w2[4],q;
 int hour,minut,secon;
 int att_l,att_r,att_c,att_sw,att_sl,att_sr;
 bool w,mute;
 byte mesto2[8]={0,10,0,10,0,10};
 byte mesto3[8]={0,0,1,1,2,2};

void setup() {
  irrecv.enableIRIn();lcd.init();lcd.backlight();clock.begin();Serial.begin(9600);
  pinMode(ENC_SW,INPUT); 
  pinMode(LATCH, OUTPUT);digitalWrite(LATCH, LOW);
  pinMode(DATA, OUTPUT);digitalWrite(DATA, LOW);
  pinMode(CLOCK, OUTPUT);digitalWrite(CLOCK, LOW);
  pinMode(SET,INPUT_PULLUP);   // КНОПКА SET
  pinMode(MUTE,INPUT_PULLUP);   // КНОПКА MUTE
  pinMode(STANDBY,INPUT_PULLUP);   // КНОПКА STANDBY
  pinMode(ST_OUT,OUTPUT); 
  //  clock.setDateTime(__DATE__, __TIME__); // Устанавливаем время на часах, основываясь на времени компиляции скетча
  if(EEPROM.read(100)!=0){for(int i=0;i<101;i++){EEPROM.update(i,0);}}// очистка памяти при первом включении  
  pinMode(6,OUTPUT);  // ВЫХОД УПРАВЛЕНИЯ ПОДСВЕТКОЙ
  analogWrite(6, BRIG_H);// больше 200 не делать
  lcd.setCursor(3,1);lcd.print("Sound Processor");lcd.setCursor(7,2);lcd.print("M62446"); delay(2000);lcd.clear();
  MsTimer2::set(3, to_Timer);MsTimer2::start();
  w2[0]=1;w2[1]=1;w2[2]=1;w2[3]=1;
  vol = EEPROM.read(0);bass = EEPROM.read(1)-7;treb = EEPROM.read(2)-7;
  att_l = EEPROM.read(3);att_r = EEPROM.read(4);att_c = EEPROM.read(5);att_sw = EEPROM.read(6);att_sl = EEPROM.read(7);att_sr = EEPROM.read(8);
  audio();
}

void to_Timer(){newPosition = myEnc.read()/4;}

void loop() {
  DateTime = clock.getDateTime();hour = DateTime.hour;minut = DateTime.minute;secon = DateTime.second;

  if ( irrecv.decode( &ir )) {Serial.print("0x");Serial.println( ir.value,HEX);irrecv.resume();time0=millis();w=1;}// IR приемник - чтение, в мониторе порта отображаются коды кнопок
  if(ir.value==0){gr1=0;gr2=0;}// запрет нажатий не активных кнопок пульта  

  if(power==0){
  if((ir.value==IR_OK||digitalRead(ENC_SW)==LOW)&&menu0==0){menu++;delay(200);time0=millis();w=1;w2[0]=1;w2[1]=1;w2[2]=1;if(menu>2){menu=0;}}// меню 0
  
  if((ir.value==IR_OK||digitalRead(ENC_SW)==LOW)&&menu0==1){menu1++;gr1=0;gr2=0;cl1();time0=millis();w=1;w2[0]=1;w2[1]=1;w2[2]=1;if(menu1>5){menu1=0;}}//меню 1

  if(ir.value==IR_SET||digitalRead(SET)==LOW){menu0++;if(menu0>1){menu0=0;}cl();w2[0]=1;w2[1]=1;w2[2]=1;time0=millis();w=1;lcd.setCursor(5,1);
     lcd.print("SETTING_");lcd.print(menu0);delay(500);lcd.clear();} 

  if((ir.value==IR_MUTE||digitalRead(MUTE)==LOW)&&mute==0){mute=1;menu0=100;cl();w=1;w2[0]=1;w2[1]=1;w2[2]=1;lcd.setCursor(8,1);lcd.print("MUTE");audio_mute();delay(300);}// mute on
  if((ir.value==IR_MUTE||digitalRead(MUTE)==LOW)&&mute==1){mute=0;cl();time0=millis();w=1;w2[0]=1;w2[1]=1;w2[2]=1;menu0=0;menu=0;myEnc.write(0);audio();}// mute off   
  } // power == 0 

 // power 
  if((ir.value==IR_POWER||digitalRead(STANDBY)==LOW)&&power==0){power=1;cl();audio_mute();lcd.setCursor(5,1);lcd.print("POWER  OFF");menu0=100;delay(3000);analogWrite(6,BRIG_L);}// power off
  if((ir.value==IR_POWER||digitalRead(STANDBY)==LOW)&&power==1){power=0;analogWrite(6, BRIG_H);cl();lcd.setCursor(5,1);lcd.print("POWER   ON ");w=1;
  w=1;w2[0]=1;w2[1]=1;w2[2]=1;menu0=0;myEnc.write(0);audio();delay(3000);cl();}// power on   

  
  if(power==0){digitalWrite(ST_OUT,HIGH);
   byte a1[8] = {0b00000,0b10101,0b10101,0b10101,0b10101,0b10101,0b10101,0b00000};
   byte a2[8] = {0b00000,0b10100,0b10100,0b10100,0b10100,0b10100,0b10100,0b00000};
   byte a3[8] = {0b00000,0b10000,0b10000,0b10000,0b10000,0b10000,0b10000,0b00000}; 
   byte a4[8] = {0b10000,0b11000,0b11100,0b11110,0b11100,0b11000,0b10000,0b00000}; //>
   byte a5[8] = {0b00000,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000,0b00000};
   lcd.createChar(0,a1);lcd.createChar(1,a2);lcd.createChar(2,a3);lcd.createChar(3,a4);lcd.createChar(4,a5);
  }
  if(power==1){digitalWrite(ST_OUT,LOW);
      byte v1[8] = {7,7,7,7,7,7,7,7};
      byte v2[8] = {7,7,0, 0, 0, 0, 0, 0};      
      byte v3[8] = { 0, 0, 0, 0, 0,0,31,31};
      byte v4[8] = {31,31, 0, 0, 0, 0,31,31};
      byte v5[8] = { 28, 28, 0, 0, 0, 0, 28, 28};
      byte v6[8] = {28,28,28,28,28,28,28,28};
      byte v7[8] = { 0, 0, 0, 0, 0, 0,7,7};
      byte v8[8] = { 31, 31,0,0,0,0,0, 0};
   byte a[6];
   byte i0,d1,d2,d3,d4,d5,d6,e1,e2,e3;
  lcd.createChar(1, v1);lcd.createChar(2, v2);lcd.createChar(3, v3);lcd.createChar(4, v4);lcd.createChar(5, v5);lcd.createChar(6, v6);lcd.createChar(7, v7);lcd.createChar(8, v8);
 
     a[0]=DateTime.hour/10;
     a[1]=DateTime.hour%10;
     a[2]=DateTime.minute/10;
     a[3]=DateTime.minute%10;
     a[4]=DateTime.second/10;
     a[5]=DateTime.second%10;
 
 for(int i=0;i<6;i++){
      switch(i){
        case 0: e1=0,e2=1,e3=2;break;
        case 1: e1=3,e2=4,e3=5;break;
        case 2: e1=7,e2=8,e3=9;break;
        case 3: e1=10,e2=11,e3=12;break;
        case 4: e1=14,e2=15,e3=16;break;
        case 5: e1=17,e2=18,e3=19;break;
        }
      switch(a[i]){
        case 0: d1=1,d2=8,d3=6,d4=1,d5=3,d6=6;break;
        case 1: d1=32,d2=2,d3=6,d4=32,d5=32,d6=6;break;
        case 2: d1=2,d2=8,d3=6,d4=1,d5=4,d6=5;break;
        case 3: d1=2,d2=4,d3=6,d4=7,d5=3,d6=6;break;
        case 4: d1=1,d2=3,d3=6,d4=32,d5=32,d6=6;break;
        case 5: d1=1,d2=4,d3=5,d4=7,d5=3,d6=6;break;
        case 6: d1=1,d2=4,d3=5,d4=1,d5=3,d6=6;break;
        case 7: d1=1,d2=8,d3=6,d4=32,d5=32,d6=6;break;
        case 8: d1=1,d2=4,d3=6,d4=1,d5=3,d6=6;break;
        case 9: d1=1,d2=4,d3=6,d4=7,d5=3,d6=6;break;
    }
 
      lcd.setCursor(e1,0);lcd.write((uint8_t)d1);lcd.setCursor(e2,0);lcd.write((uint8_t)d2);lcd.setCursor(e3,0);lcd.write((uint8_t)d3);
      lcd.setCursor(e1,1);lcd.write((uint8_t)d4);lcd.setCursor(e2,1);lcd.write((uint8_t)d5);lcd.setCursor(e3,1);lcd.write((uint8_t)d6);
  }
  lcd.setCursor(6,0);lcd.print(".");lcd.setCursor(13,0);lcd.print(".");lcd.setCursor(6,1);lcd.print(".");lcd.setCursor(13,1);lcd.print(".");
  lcd.setCursor(5,3);lcd.print("POWER  OFF");
  if(digitalRead(ENC_SW)==LOW&&digitalRead(SET)==LOW){hour++;if(hour>23){hour=0;} clock.setDateTime(2024, 9, 15, hour, minut, 0);delay(100);}    // SET
  if(digitalRead(ENC_SW)==LOW&&digitalRead(MUTE)==LOW){minut++;if(minut>59){minut=0;} clock.setDateTime(2024, 9, 15, hour, minut, 0);delay(100); }// MUTE
  } 
  
  /////////////////////////////// MENU0 = VOLUME TERBLE BASS MIDDLE ///////////////////////////////////////////////////////////////////////
  if(menu0==0){ 
    switch(menu){
      case 0: temp0 = vol;q=0;break;
      case 1: temp0 = bass;q=1;break;
      case 2: temp0 = treb;q=2;break;
      }
 
     if(ir.value==IR_UP){temp0++;gr1=1;gr2=0;cl1();time0=millis();w=1;w2[q]=1;www=1;}// кнопка > 
     if(ir.value==0xFFFFFFFF and gr1==1){temp0++;gr2=0;cl1();time0=millis();w=1;w2[q]=1;www=1;}// кнопка >>>>>>
     if(ir.value==IR_DW){temp0--;gr1=0;gr2=1;cl1();time0=millis();w=1;w2[q]=1;www=1;}// кнопка <
     if(ir.value==0xFFFFFFFF and gr2==1){temp0--;gr1=0;cl1();time0=millis();w=1;w2[q]=1;www=1;}// кнопка <<<<<<   
 
   if (newPosition != oldPosition){oldPosition = newPosition;
     if(menu==0){temp0=temp0-newPosition;}else{temp0=temp0+newPosition;}myEnc.write(0);newPosition=0;time0=millis();w=1;w2[q]=1;www=1;} 
 
     switch(menu){
      case 0: vol = temp0;vol_func();break;
      case 1: bass = temp0;bass_func();break;
      case 2: treb = temp0;treb_func();break;
      }
 
   au();
   for(int i=0;i<3;i++){if(menu==i){lcd.setCursor(0,i);lcd.write((uint8_t)3);}else{lcd.setCursor(0,i);lcd.print(" ");}}
   lcd.setCursor(1,0);lcd.print("VOLUME ");if(vol>=0){lcd.print(" ");}lcd.print(50-vol);lcd.print(" ");vol_d=map(vol,50,0,1,24);
   lcd.setCursor(1,1);lcd.print("BASS   ");if(bass>=0){lcd.print(" ");}lcd.print(bass);lcd.print(" ");bass_d=map(bass,-7,7,1,24);
   lcd.setCursor(1,2);lcd.print("TREBLE ");if(treb>=0){lcd.print(" ");}lcd.print(treb);lcd.print(" ");treb_d=map(treb,-7,7,1,24);
   
   lcd.setCursor(0,3);lcd.print("------");lcd.print(DateTime.hour/10);lcd.print(DateTime.hour%10);lcd.print(":");lcd.print(DateTime.minute/10);
   lcd.print(DateTime.minute%10);lcd.print(":");lcd.print(DateTime.second/10);lcd.print(DateTime.second%10);lcd.print("------");
 
 
   for(int n=0;n<3;n++){if(w2[n]==1){
   switch(n){
    case 0: par = vol_d;break;
    case 1: par = bass_d;break;
    case 2: par = treb_d;break; 
    } 
 
   for(z=0,z0=0,z1=0;z<=par;z++,z1++){if(z1>2){z1=0;z0++;}
   if(z1==1){lcd.setCursor(z0+12,n);lcd.write((uint8_t)0);lcd.setCursor(z0+1+12,n);Serial.println(z0);z_old=7-par/3;while(z_old>0){z_old=z_old-1;lcd.write((uint8_t)4);}}}
   if(z1==3){lcd.setCursor(z0+12,n);lcd.write((uint8_t)1);}
   if(z1==2){lcd.setCursor(z0+12,n);lcd.write((uint8_t)2);}w2[n]=0;}
   }}// menu0 = 0
///////////////////////////////////////////////////////////////////////////////////////////////

///////////////////////////////////////////////////////////////////////////////////////////////
 
 if(menu0==1){
     switch(menu1){
      case 0: temp0 = att_l;break;
      case 1: temp0 = att_r;break;
      case 2: temp0 = att_c;break;
      case 3: temp0 = att_sw;break;
      case 4: temp0 = att_sl;break;
      case 5: temp0 = att_sr;break;
      }
 
     if(ir.value==IR_UP){temp0++;gr1=1;gr2=0;cl1();time0=millis();w=1;www=1;}// кнопка > 
     if(ir.value==0xFFFFFFFF and gr1==1){temp0++;gr2=0;cl1();time0=millis();w=1;www=1;}// кнопка >>>>>>
     if(ir.value==IR_DW){temp0--;gr1=0;gr2=1;cl1();time0=millis();;w=1;www=1;}// кнопка <
     if(ir.value==0xFFFFFFFF and gr2==1){temp0--;gr1=0;cl1();time0=millis();w=1;www=1;}// кнопка <<<<<<     
 
   if (newPosition != oldPosition){oldPosition = newPosition;
     temp0=temp0+newPosition;myEnc.write(0);newPosition=0;time0=millis();w=1;www=1;} 
 
     switch(menu1){
      case 0: att_l = temp0;att_l_func();break;
      case 1: att_r = temp0;att_r_func();break;
      case 2: att_c = temp0;att_c_func();break;
      case 3: att_sw = temp0;att_sw_func();break;      
      case 4: att_sl  = temp0;att_sl_func();break;
      case 5: att_sr  = temp0;att_sr_func();break;
      }
 
  au();
  for(int i=0;i<6;i++){if(menu1==i){lcd.setCursor(mesto2[i],mesto3[i]);lcd.write((uint8_t)3);}else{lcd.setCursor(mesto2[i],mesto3[i]);lcd.print(" ");}}
 
  lcd.setCursor(1,0);lcd.print("AT_L  ");lcd.print(att_l);lcd.print(" ");lcd.setCursor(11,0);lcd.print("AT_R  ");lcd.print(att_r);lcd.print(" ");
  lcd.setCursor(1,1);lcd.print("AT_C  ");lcd.print(att_c);lcd.print(" ");lcd.setCursor(11,1);lcd.print("AT_SW ");lcd.print(att_sw);lcd.print(" ");
  lcd.setCursor(1,2);lcd.print("AT_SL ");lcd.print(att_sl);lcd.print(" ");lcd.setCursor(11,2);lcd.print("AT_SR ");lcd.print(att_sr);lcd.print(" ");
 
 } // menu0 = 1

 if(millis()-time0>10000&&w==1&&mute==0&&power==0){
  if(menu0==1){cl();}w=0;if(menu0!=0){cl();}menu0=0;menu=0;w2[0]=1;w2[1]=1;w2[2]=1;
   EEPROM.update(0,vol);EEPROM.update(1,bass+7);EEPROM.update(2,treb+7);
   EEPROM.update(3,att_l);EEPROM.update(4,att_r);EEPROM.update(5,att_c);
   EEPROM.update(6,att_sw);EEPROM.update(7,att_sl);EEPROM.update(8,att_sr);
   }

}

void au(){if(www==1){audio();www=0;}}
void vol_func(){if(vol>50){vol=50;}if(vol<0){vol=0;}}
void treb_func(){if(treb<-7){treb=-7;}if(treb>7){treb=7;}}
void bass_func(){if(bass<-7){bass=-7;}if(bass>7){bass=7;}}
void cl(){ir.value=0;delay(300);lcd.clear();}
void cl1(){ir.value=0;delay(200);}  

void att_l_func(){if(att_l>19){att_l=19;}if(att_l<0){att_l=0;}}
void att_r_func(){if(att_r>19){att_r=19;}if(att_r<0){att_r=0;}}
void att_c_func(){if(att_c>19){att_c=19;}if(att_c<0){att_c=0;}}
void att_sw_func(){if(att_sw>19){att_sw=19;}if(att_sw<0){att_sw=0;}}
void att_sr_func(){if(att_sr>19){att_sr=19;}if(att_sr<0){att_sr=0;}}
void att_sl_func(){if(att_sl>19){att_sl=19;}if(att_sl<0){att_sl=0;}}

void audio(){
  byte_1(treb,0b0000,bass,0);// treb -7...7, port 0b0000, bass -5...5, bypass = 0
  byte_2(vol+att_l,vol+att_r);// 0...95 = 0...-95 dB mute = 112
  byte_3(vol+att_c,vol+att_sw);// 0...95 = 0...-95 dB mute = 112
  byte_4(vol+att_sl,vol+att_sr);// 0...95 = 0...-95 dB mute = 112
  }

void audio_mute(){
  byte_2(112,112);
  byte_3(112,112);
  byte_4(112,112);
  }  

void byte_1(int treb, byte port, int bass, bool by_pass){
  // treb int -7...+7 === -14...+14 dB
  // bass int -7...+7 === -14...+14 dB
  // byte port 0b0000....0b1111
  // by_pass  === 0 TONE | 1 BYPASS 
  switch(treb){
    case -7: treb = 0b1111;break;
    case -6: treb = 0b1101;break;
    case -5: treb = 0b1110;break;
    case -4: treb = 0b1100;break;
    case -3: treb = 0b1011;break;
    case -2: treb = 0b1010;break;
    case -1: treb = 0b1001;break;
    case  0: treb = 0b0000;break;
    case  1: treb = 0b0001;break;
    case  2: treb = 0b0010;break;
    case  3: treb = 0b0011;break;
    case  4: treb = 0b0100;break;
    case  5: treb = 0b0110;break;
    case  6: treb = 0b0101;break;
    case  7: treb = 0b0111;break;
    }
  switch(bass){
    case -7: bass = 0b1111;break;
    case -6: bass = 0b1101;break;
    case -5: bass = 0b1110;break;
    case -4: bass = 0b1100;break;
    case -3: bass = 0b1011;break;
    case -2: bass = 0b1010;break;
    case -1: bass = 0b1001;break;
    case  0: bass = 0b0000;break;
    case  1: bass = 0b0001;break;
    case  2: bass = 0b0010;break;
    case  3: bass = 0b0011;break;
    case  4: bass = 0b0100;break;
    case  5: bass = 0b0110;break;
    case  6: bass = 0b0101;break;
    case  7: bass = 0b0111;break;
    }  
  unsigned int data_byte = (treb<<12)|(port<<8)|(bass<<4)|(by_pass<<2)|0b00;
  writeByte(data_byte);  
  }

void byte_2(int vol_l, int vol_r){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_l>79){vol_l=vol_l+16;}
  if(vol_r>79){vol_r=vol_r+16;}
  unsigned int data_byte = (vol_l<<9)|(vol_r<<2)|0b01;
  writeByte(data_byte); 
  }  
void byte_3(int vol_c, int vol_sw){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_c>79){vol_c=vol_c+16;}
  if(vol_sw>79){vol_sw=vol_sw+16;}
  unsigned int data_byte = (vol_c<<9)|(vol_sw<<2)|0b10;
  writeByte(data_byte); 
  }  
void byte_4(int vol_sl, int vol_sr){
  // int vol 0...95 === 0...-95 dB mute=112
  if(vol_sl>79){vol_sl=vol_sl+16;}
  if(vol_sr>79){vol_sr=vol_sr+16;}
  unsigned int data_byte = (vol_sl<<9)|(vol_sr<<2)|0b11;
  writeByte(data_byte); 
  }    

void writeByte(uint16_t data){
    digitalWrite(LATCH, HIGH); delayMicroseconds(1);
    digitalWrite(LATCH, LOW); delayMicroseconds(3);
    for (int i = 15; i >= 0; i--) {
        digitalWrite(DATA, (data >> i) & 1); delayMicroseconds(3);
        digitalWrite(CLOCK, HIGH); delayMicroseconds(3);
        digitalWrite(CLOCK, LOW); delayMicroseconds(3);
    }
    digitalWrite(LATCH, HIGH); delayMicroseconds(1);
    digitalWrite(LATCH, LOW); delayMicroseconds(3);
}