TAS5707

// TAS5707 - 20W(8 Om / 18 V) STEREO DIGITAL AUDIO POWER AMPLIFIER
// 48-kHz 24 bit
// PVDD 8 V to 24 V
// AVDD/DVDD 3.3 V
// http://rcl-radio.ru 
// liman324@yandex.ru

#define I2C_TAS5707 0x1B // Address chip  
#define RESET 2          // RESET PIN
#define PDN   3          // PDN PIN

#include <Wire.h>

int vol;


void setup() {
   delay(100);Wire.begin();Serial.begin(9600);
   pinMode(RESET,OUTPUT);
   pinMode(PDN,OUTPUT); 
   digitalWrite(PDN,HIGH);delay(100); Serial.println("POWER ON");
   digitalWrite(RESET,HIGH);delay(100);Serial.println("RESET ON");  
  
   tas_init();
   Serial.print("ID(0x70) 0x");Serial.println(wireRead(I2C_TAS5707,0x01),HEX);
  
}

void loop() {
// ERROR STATUS  
  Serial.print("ER 0b");
  Serial.println(wireRead(I2C_TAS5707,0x02),BIN);
  delay(1000);

}

void tas_init(){
  wireWrite(I2C_TAS5707, 0x00, 0b01101100);
  //[7:5][011][Fs]41.1/48kHz
  //[4:2][011][MCLK_F]MCLK frequency = 256 × Fs
  //[1:0][00]Reserved
  wireWrite(I2C_TAS5707, 0x03, 0b10100000);
  //[7][1][PWM high-pass](dc blocking) enabled
  //[6][0]Reserved
  //[5][1][unmute]Hard unmute on recovery from clock error
  //[4:2][0]Reserved
  //[1:0][00][de-emphasis]No de-emphasis
  wireWrite(I2C_TAS5707, 0x04, 0b00000101);
  //[7:4][0000]
  //[3:0][0101][Format data]i2s_24bit
  wireWrite(I2C_TAS5707, 0x05, 0b01000000);
  //[7][0]Reserved
  //[6][0][shutdown]normal operation
  //[5:0][000000]Reserved
  wireWrite(I2C_TAS5707, 0x06, 0b00000000);
  //[7:2][000000]Reserved
  //[1][0][Soft mute ch1]soft unmute
  //[0][0][Soft mute ch2]soft unmute
  wireWrite(I2C_TAS5707, 0x07, 0b00110000);
  //[7:0][00110000][0dB][Master Volume]-79...24dB = 0b11001110...0b00000000
  wireWrite(I2C_TAS5707, 0x08, vol);
  //[7:0][CH1 Volume]-79...24dB = 0b11001110...0b00000000
  wireWrite(I2C_TAS5707, 0x09, vol);
  //[7:0][CH2 Volume]-79...24dB = 0b11001110...0b00000000
  wireWrite(I2C_TAS5707, 0x0A, 0b00000000);
  //[7][0]ignore write to reg 0x0A
  //[1:0][00] 0 dB
  wireWrite(I2C_TAS5707, 0x0E, 0b10010001);
  //[7:3][10010]Reserved
  //[2:0][001]volume slew 1024 steps
  wireWrite(I2C_TAS5707, 0x10, 0b00000010);
  //[7:3][00000]Reserved
  //[2:0][010][MODULATION LIMIT]97.7%
  wireWrite(I2C_TAS5707, 0x11, 0xAC);//DEF
  wireWrite(I2C_TAS5707, 0x12, 0x54);//DEF
  wireWrite(I2C_TAS5707, 0x13, 0xAC);//DEF
  wireWrite(I2C_TAS5707, 0x14, 0x54);//DEF
  wireWrite(I2C_TAS5707, 0x1A, 0b00000010);
  //[7:5][000]Reserved
  //[4:0][01111][START/STOP PERIOD]125.7ms 50% % duty cycle start/stop period
  wireWrite(I2C_TAS5707, 0x1B, 0b11000000);//OSCILLATOR TRIM REGISTER
  //[7][0]Reserved
  //[6][1]Oscillator trim done (read only)
  //[5:2][0000]Reserved
  //[1][0]Select factory trim
  //[0][0]Reserved
  wireWrite(I2C_TAS5707, 0x1C, 0b00000010);
  //[3:0][0010]Set back-end reset period to 299 ms

  wireWrite32(I2C_TAS5707, 0x20, 0,0b00000001, 0b01110111, 0b01110010);
  //[31:24][0x00]Reserved
  //[23:16][00000001]DEF
  //[15:8][01110111]DEF
  //[7:0][01110010]DEF
  wireWrite32(I2C_TAS5707, 0x25, 1,0b00000010, 0b00010011, 0b01000101);
  //[31:24][0x00]Reserved
  //[23:16][00000010]DEF
  //[15:8][00010011]DEF
  //[7:0][01000101]DEF
  wireWrite32(I2C_TAS5707, 0x46, 0,0,0, 0b00000000);
  //[31:24][0x00]Reserved
  //[23:16][00000000]Reserved
  //[15:8][00000000]Reserved
  //[7:0][00000000]DEF
  wireWrite32(I2C_TAS5707, 0x50, 0b00001111,0b11110000,0b10000000, 0b00000000);
  //[31:24][00001111]DEF
  //[23:16][11110000]DEF
  //[15:8][10000000]DEF
  //[7:0][00000000]DEF
  }

byte wireRead(byte addr, byte reg){
  Wire.beginTransmission(addr);
  Wire.write (reg);
  Wire.endTransmission();
  Wire.requestFrom(addr,1);
  while(Wire.available()<1);
  byte value = Wire.read();
  return value;
  }  
 
void wireWrite(byte addr, byte reg, byte data){
  Wire.beginTransmission(addr);
  Wire.write (reg);
  Wire.write (data);
  Wire.endTransmission();
  }

void wireWrite32(byte addr, byte reg, byte data3, byte data2, byte data1, byte data0){
  Wire.beginTransmission(addr);
  Wire.write (reg);
  Wire.write (data3);
  Wire.write (data2);
  Wire.write (data1);
  Wire.write (data0);
  Wire.endTransmission();
  }