BD37543FS.h

#ifndef BD37543FS_H
#define BD37543FS_H

#define BD37543FS_address 0b1000000 

#define SETUP_1        0x01
#define SETUP_2        0x02
#define SETUP_3        0x03
#define INPUT_SELECT   0x05
#define INPUT_GAIN     0x06
#define VOLUME_GAIN    0x20
#define FADER_1_FRONT  0x28
#define FADER_2_FRONT  0x29
#define FADER_1_REAR   0x2A
#define FADER_2_REAR   0x2B
#define FADER_SUB      0x2C
#define MIXING         0x30
#define BASS_SETUP     0x41
#define MIDDLE_SETUP   0x44
#define TREBLE_SETUP   0x47
#define BASS_GAIN      0x51
#define MIDDLE_GAIN    0x54
#define TREBLE_GAIN    0x57
#define LOUDNESS_GAIN  0x75

#include <Arduino.h>
class BD37543FS
{
  public:
    BD37543FS();
    void setSetup_1(int sw_time_mute, int sw_time, int sw_on_off); 
                   // default (0,2,1) | int 0...3, 0...3, 0...1
    void setSetup_2(int sub_f, int sub_out, int level_metr, int lpf_faza); 
                   // int sub_f ------ OFF 55Hz 85Hz 120Hz 160Hz = int 0...4
                   // int sub_out ---- LPF Front Rear Prohibition = int 0...3
                   // int level_metr - HOLD REST = int 0..1
                   // int faza ------- 0 180 = int 0...1
    void setSetup_3(int f_r_hpf, int r_hpf, int f_hpf); 
                   // int f_r_hpf ---- 55Hz 85Hz 120Hz 160Hz = int 0...3
                   // int r_hpf ------ pass NOT_pass = int 0...1
                   // int f_hpf ------ pass NOT_pass = int 0...1
    void setIn(int in); 
                   // 0...10 | in A B C = int 0 1 2 
    void setIn_gain(int in_gain, int mute); 
                   // in_gain -- 0...20 = 0...20 dB, mute -- 0 default 
    void setVol(int vol); 
                   // -79...+15 dB = int -79...15
    void setFront_1(int front_1); 
                   // -79...+15 dB = int -79...15
    void setFront_2(int front_2); 
                   // -79...+15 dB = int -79...15
    void setRear_1(int rear_1); 
                   // -79...+15 dB = int -79...15
    void setRear_2(int rear_2); 
                   // -79...+15 dB = int -79...15
    void setSub(int sub); 
                   // -79...+15 dB = int -79...15
    void setMix(int mix_gain);
                   // -79...+7 dB = int -79...7
    void setBass_setup(int bass_q, int bass_f); 
                   // 0.5 1.0 1.5 2.0 --- int 0...3, 60Hz 80Hz 100Hz 120Hz --- int 0...3
    void setMiddle_setup(int mid_q, int mid_f); 
                   // 0.75 1.0 1.25 1.5 --- int 0...3, 500Hz 1kHz 1.5kHz 2.5kHz --- int 0...3
    void setTreble_setup(int treb_q, int treb_f); 
                   // 0.75 1.25  --- int 0...1, 7.5kHz 10kHz 12.5kHz 15kHz --- int 0...3
    void setBass_gain(int bass_gain); 
                   // --20 ... +20 dB = int -20 ... 20    
    void setMiddle_gain(int mid_gain); 
                   // --20 ... +20 dB = int -20 ... 20
    void setTreble_gain(int treb_gain); 
                   // --20 ... +20 dB = int -20 ... 20        
    void setLoudness_gain(int loud_hicut, int loud_gain); 
                   // Hicut1 Hicut2 Hicut3 Hicut4 = int 0...3
                   // 0 ... 20 dB = int 0 ... 20

  private:
    void writeWire(char a, char b);
};
    
#endif //BD37543FS_H

#include <Arduino.h>
#include <Wire.h>
#include "BD37543FS.h"

BD37543FS::BD37543FS(){
    Wire.begin();
}

void BD37543FS::setSetup_1(int sw_time_mute, int sw_time, int sw_on_off){
       switch(sw_time){
         case 0: sw_time = 0b00000000;break;
         case 1: sw_time = 0b00010000;break;
         case 2: sw_time = 0b00100000;break;
         case 3: sw_time = 0b00110000;break;
  }    
       switch(sw_on_off){
         case 0: sw_on_off = 0b00000000;break;
         case 1: sw_on_off = 0b10000000;break;
  }
           writeWire(SETUP_1, 0b00000100 + sw_time_mute + sw_time + sw_on_off); 
  }

void BD37543FS::setSetup_2(int sub_f, int sub_out, int level_metr, int lpf_faza){
       switch(sub_out){
         case 0: sub_out = 0b00000000;break;
         case 1: sub_out = 0b00010000;break;
         case 2: sub_out = 0b00100000;break;
         case 3: sub_out = 0b00110000;break;  
  }
       switch(level_metr){
         case 0: level_metr = 0b00000000;break;
         case 1: level_metr = 0b01000000;break;
   }
       switch(lpf_faza){
         case 0: lpf_faza = 0b00000000;break;
         case 1: lpf_faza = 0b10000000;break;
   }
         writeWire(SETUP_2, sub_f + sub_out + level_metr + lpf_faza); 
   }
   
void BD37543FS::setSetup_3(int f_r_hpf, int r_hpf, int f_hpf){
       switch(f_r_hpf){
         case 0: f_r_hpf = 0b00000000;break;
         case 1: f_r_hpf = 0b00001000;break;
         case 2: f_r_hpf = 0b00110000;break;
         case 3: f_r_hpf = 0b00010000;break;  
   }
       switch(r_hpf){
         case 0: r_hpf = 0b00000000;break;
         case 1: r_hpf = 0b01000000;break;
   }
       switch(f_hpf){
         case 0: r_hpf = 0b00000000;break;
         case 1: r_hpf = 0b10000000;break;
       
   }   
         writeWire(SETUP_3, 0b00000010 + f_r_hpf + r_hpf + f_hpf); 
   }

void BD37543FS::setIn(int in){
       switch(in){
         case 0: in = 0b00000000;break;
         case 1: in = 0b00000001;break;
         case 2: in = 0b00000010;break;
         case 3: in = 0b00000011;break;
         case 4: in = 0b00001010;break;
         case 5: in = 0b00001011;break;
         case 6: in = 0b00001111;break;
         case 7: in = 0b00010000;break;
         case 8: in = 0b00000110;break;
         case 9: in = 0b00001000;break;
        case 10: in = 0b00001001;break;
   }  
         writeWire(INPUT_SELECT, in); 
   }


void BD37543FS::setIn_gain(int in_gain, int mute){
       switch(mute){
         case 0: mute = 0b00000000;break;
         case 1: mute = 0b10000000;break;
   }
         writeWire(INPUT_GAIN, in_gain + mute); 
   }

void BD37543FS::setVol(int vol){
       if(vol > 0){vol = 128 - vol;}
       if(vol <= 0){vol = abs(vol) + 128;}
       writeWire(VOLUME_GAIN, vol); 
   }

void BD37543FS::setFront_1(int front_1){
       if(front_1 > 0){front_1 = 128 - front_1;}
       if(front_1 <= 0){front_1 = abs(front_1) + 128;}
       writeWire(FADER_1_FRONT, front_1); 
   }

void BD37543FS::setFront_2(int front_2){
       if(front_2 > 0){front_2 = 128 - front_2;}
       if(front_2 <= 0){front_2 = abs(front_2) + 128;}
       writeWire(FADER_2_FRONT, front_2); 
   }

void BD37543FS::setRear_1(int rear_1){
       if(rear_1 > 0){rear_1 = 128 - rear_1;}
       if(rear_1 <= 0){rear_1 = abs(rear_1) + 128;}
       writeWire(FADER_1_REAR, rear_1); 
   }

void BD37543FS::setRear_2(int rear_2){
       if(rear_2 > 0){rear_2 = 128 - rear_2;}
       if(rear_2 <= 0){rear_2 = abs(rear_2) + 128;}
       writeWire(FADER_2_REAR, rear_2); 
   }

void BD37543FS::setSub(int sub){
       if(sub > 0){sub = 128 - sub;}
       if(sub <= 0){sub = abs(sub) + 128;}
       writeWire(FADER_SUB, sub); 
   }

void BD37543FS::setMix(int mix_gain){
       if(mix_gain > 0){mix_gain = 128 - mix_gain;}
       if(mix_gain <= 0){mix_gain = abs(mix_gain) + 128;}
            writeWire(MIXING, mix_gain); 
   }

void BD37543FS::setBass_setup(int bass_q, int bass_f){
       switch(bass_f){
         case 0: bass_f = 0b00000000;break;
         case 1: bass_f = 0b00010000;break;
         case 2: bass_f = 0b00100000;break;
         case 3: bass_f = 0b00110000;break;  
   }
         writeWire(BASS_SETUP, bass_q + bass_f); 
   }
   
void BD37543FS::setMiddle_setup(int mid_q, int mid_f){
       switch(mid_f){
         case 0: mid_f = 0b00000000;break;
         case 1: mid_f = 0b00010000;break;
         case 2: mid_f = 0b00100000;break;
         case 3: mid_f = 0b00110000;break;  
   }
         writeWire(MIDDLE_SETUP, mid_q + mid_f); 
   }
   

void BD37543FS::setTreble_setup(int treb_q, int treb_f){
       switch(treb_f){
         case 0: treb_f = 0b00000000;break;
         case 1: treb_f = 0b00010000;break;
         case 2: treb_f = 0b00100000;break;
         case 3: treb_f = 0b00110000;break;  
   }
         writeWire(TREBLE_SETUP, treb_q + treb_f); 
   }

void BD37543FS::setBass_gain(int bass_gain){
       if(bass_gain>0){bass_gain = bass_gain;}                     
       if(bass_gain<=0){bass_gain = abs(bass_gain) + 0b10000000;}  
       writeWire(BASS_GAIN, bass_gain);   
   }

void BD37543FS::setMiddle_gain(int mid_gain){
       if(mid_gain>0){mid_gain = mid_gain;}                     
       if(mid_gain<=0){mid_gain = abs(mid_gain) + 0b10000000;}  
       writeWire(MIDDLE_GAIN, mid_gain);   
   }

void BD37543FS::setTreble_gain(int treb_gain){
       if(treb_gain>0){treb_gain = treb_gain;}                     
       if(treb_gain<=0){treb_gain = abs(treb_gain) + 0b10000000;}  
       writeWire(TREBLE_GAIN, treb_gain);   
   }

void BD37543FS::setLoudness_gain(int loud_hicut, int loud_gain){
       switch(loud_hicut){
         case 0: loud_hicut = 0b00000000;break;
         case 1: loud_hicut = 0b00100000;break;
         case 2: loud_hicut = 0b01000000;break;
         case 3: loud_hicut = 0b01100000;break;
   }
         writeWire(LOUDNESS_GAIN, loud_hicut + loud_gain);  
   }

void BD37543FS::writeWire(char a, char b){
  Wire.beginTransmission(BD37543FS_address);
  Wire.write (a);
  Wire.write (b);
  Wire.endTransmission();
}

#include <Wire.h> 
#include <BD37543FS.h>
BD37543FS bd; 

void setup(){
   Wire.begin();
   audio();
}

void loop(){}

void audio(){
   bd.setSetup_1(0,2,1); 
                   // default (0,2,1) | int 0...3, 0...3, 0...1
    bd.setSetup_2(0,0,0,0); 
                   // int sub_f ------ OFF 55Hz 85Hz 120Hz 160Hz = int 0...4
                   // int sub_out ---- LPF Front Rear Prohibition = int 0...3
                   // int level_metr - HOLD REST = int 0..1
                   // int faza ------- 0 180 = int 0...1
    bd.setSetup_3(0,0,0); 
                   // int f_r_hpf ---- 55Hz 85Hz 120Hz 160Hz = int 0...3
                   // int r_hpf ------ pass NOT_pass = int 0...1
                   // int f_hpf ------ pass NOT_pass = int 0...1
    bd.setIn(0); 
                   // 0...10 | in A B C = int 0 1 2 
    bd.setIn_gain(0,0); 
                   // in_gain -- 0...20 = 0...20 dB, mute -- 0 default 
    bd.setVol(0); 
                   // -79...+15 dB = int -79...15
    bd.setFront_1(0); 
                   // -79...+15 dB = int -79...15
    bd.setFront_2(0); 
                   // -79...+15 dB = int -79...15
    bd.setRear_1(0); 
                   // -79...+15 dB = int -79...15
    bd.setRear_2(0); 
                   // -79...+15 dB = int -79...15
    bd.setSub(0); 
                   // -79...+15 dB = int -79...15
    bd.setMix(-79);
                   // -79...+7 dB = int -79...7
    bd.setBass_setup(0, 0); 
                   // 0.5 1.0 1.5 2.0 --- int 0...3, 60Hz 80Hz 100Hz 120Hz --- int 0...3
    bd.setMiddle_setup(0,0); 
                   // 0.75 1.0 1.25 1.5 --- int 0...3, 500Hz 1kHz 1.5kHz 2.5kHz --- int 0...3
    bd.setTreble_setup(0,0); 
                   // 0.75 1.25  --- int 0...1, 7.5kHz 10kHz 12.5kHz 15kHz --- int 0...3
    bd.setBass_gain(0); 
                   // --20 ... +20 dB = int -20 ... 20    
    bd.setMiddle_gain(0); 
                   // --20 ... +20 dB = int -20 ... 20
    bd.setTreble_gain(0); 
                   // --20 ... +20 dB = int -20 ... 20        
    bd.setLoudness_gain(0,0); 
                   // Hicut1 Hicut2 Hicut3 Hicut4 = int 0...3
                   // 0 ... 20 dB = int 0 ... 20
  }