[参考译文] TLV320AIC3105：将左侧 DAC 路由到 HPLOT/HPLCOM、将右侧 DAC 路由到 HPROUT/HPRCOM 问题

bool AudioControlTLV320AIC3105::enableTLV320AIC3105(select_wire wires, device dev, AudioMode mode, int slot){
  Serial.println("AudioControlTLV320AIC3105::enableTLV320AIC3105");
  aic3105_hardReset();
  aic3105_softReset(wires, dev);
  aic3105_initCLK(wires, dev);
  aic3105_initDAC(wires, dev);
  Serial.println("====END: AudioControlTLV320AIC3105::enableTLV320AIC3105====");  Serial.println();
  return true;
}

bool AudioControlTLV320AIC3105::aic3105_hardReset() {
  // hardware reset
  Serial.println("-----Hardware reset starting-----");delay(1000);
  pinMode(RESET_PIN,OUTPUT); 
  digitalWrite(RESET_PIN,HIGH);delay(1000); //not reset
  digitalWrite(RESET_PIN,LOW);delay(1000);  //reset
    // Serial.println("-----Hardware reset, the following should fail-----");
    // writeRegister(0, 0x18, Page_00, 0x01, 0x01); 
    // Serial.println("-----now turning it back on-----");
  digitalWrite(RESET_PIN,HIGH);delay(1000);//not reset
  Serial.println("-----Hardware reset complete-----");delay(1000);
  return true;
}

bool AudioControlTLV320AIC3105::aic3105_softReset(select_wire wires, device dev) {
  // reset to defaults                    
  // wires, device, page, register, value
  writeRegister(wires, dev, Page_00, 0x01, 0x01); delay(5000);
  writeRegister(wires, dev, Page_00, 0x01, 0b00000000); delay(1000);
  if (_debugToSerial) Serial.println("-- Software Reset Complete ---");
  // wait for device to initialize
	delay(50);
  return true;
}

bool AudioControlTLV320AIC3105::aic3105_initCLK (select_wire wires, device dev){
  // Table 14. Page 0/Register 9: Audio Serial Data Interface Control Register B
  writeRegister(wires, dev, Page_00, 0x09, 0b00000000);
  //Table 12. Page 0/Register 7: Codec Datapath Setup Register
  writeRegister(wires, dev, Page_00, 0x07, 0b10001010);
  //Table 100. Page 0/Register 102: Clock Generation Control Register
  writeRegister(wires, dev, Page_00, 0x66, 0b00000010);
  return true;
}

void AudioControlTLV320AIC3105::aic3105_initDAC (select_wire wires, device dev){

  //========POWER UP THE DAC==========//
  // configure the HPLCOM as single-ended. 
  //Table 42. Page 0/Register 37: DAC Power and Output Driver Control Register
  writeRegister(wires, dev, Page_00, 0x25, 0b11100000);// 10: HPLCOM configured as independent single-ended output (ERROR IN DATASHEET, THE RESET VALUE SHOULD BE 0000)
  //=======TURN ON THE HIGH POWER DRIVER, AND CONFIGURE THE SHORT CIRCUIT PROTECTION============//
  // configure the HPRCOM as single-ended. 
  //Table 43. Page 0/Register 38: High-Power Output Driver Control Register
  writeRegister(wires, dev, Page_00, 38, 0b00001100); //CONFUSING DATASHEET WITH 3 DIGIT BIT AND A : BEFORE ONE... WHY?
  //Table 45. Page 0/Register 40: High-Power Output Stage Control Register
  //writeRegister(wires, dev, Page_00, 40, 0b10000001); // TURNING UP THE COMMON-MODE VOLTAGE TO 1.65V

  //======UNMUTE THE DAC OUTPUT========//
  //Table 48. Page 0/Register 43: Left-DAC Digital Volume Control Register
  writeRegister(wires, dev, Page_00, 43, 0b00000000);
  //Table 49. Page 0/Register 44: Right DAC Digital Volume Control Register
  writeRegister(wires, dev, Page_00, 44, 0b00000000);

  //=======SET THE DAC LEFT/RIGHT TO ROUTE TO MIXER LEFT/RIGHT=====//
  //Table 46. Page 0/Register 41: DAC Output Switching Control Register
  writeRegister(wires, dev, Page_00, 41, 0b00000000);
  //00: Left-DAC output selects DAC_L1 path.
  //00: Right DAC output selects DAC_R1 path.
  
  //======SPECIFY THE CONFIG OF HP OUT (DIFFERENTIAL OR SINGLE ENDED)========//
  //Table 19. Page 0/Register 14: Headset/Button Press Detection Register B
  //writeRegister(wires, dev, Page_00, 0x0E, 0b10000000);// w 30 0E C0 P0_R14	 	 0b11000000
  //1: Programs high-power outputs for ac-coupled driver configuration



  //======PHONES OUT ========//

  //Table 53. Page 0/Register 47: DAC_L1 to HPLOUT Volume Control Register
  writeRegister(wires, dev, Page_00, 47, 0x10000000);
  //Table 70. Page 0/Register 64: DAC_R1 to HPROUT Volume Control Register
  writeRegister(wires, dev, Page_00, 64, 0x10000000);

  // Table 57. Page 0/Register 51: HPLOUT Output Level Control Register
  writeRegister(wires, dev, Page_00, 51, 0b10011101);
  // Table 71. Page 0/Register 65: HPROUT Output Level Control Register
  writeRegister(wires, dev, Page_00, 65, 0b10011101);


  // //===========RCA OUT===============//
  // Table 60. Page 0/Register 54: DAC_L1 to HPLCOM Volume Control Register
  writeRegister(wires, dev, Page_00, 54, 0b10011101);
  // Table 77. Page 0/Register 71: DAC_R1 to HPRCOM Volume Control Register
  writeRegister(wires, dev, Page_00, 71, 0b10011101);
  // Table 64. Page 0/Register 58: HPLCOM Output Level Control Register
  writeRegister(wires, 0x18, Page_00, 58, 0b10011101);
  // Table 78. Page 0/Register 72: HPRCOM Output Level Control Register
  writeRegister(wires, 0x18, Page_00, 72, 0b10011101);


  // Table 107. Page 0/Register 109: DAC Quiescent Current Adjustment Register
  writeRegister(wires, dev, Page_00, 109, 0b11000000); // w 30 66 A0 P0_R102 0b10100000	  Table 100. Page 0/Register 102: Clock Generation Control Register

  }
}

bool AudioControlTLV320AIC3105::volume(float volume) {
	volume = max(0.0, min(1.0, volume));
  uint8_t volumeTable = (uint8_t)round((1 - volume) * 127);
  if (_debugToSerial) {Serial.print("Volume Value: ");Serial.println(volumeTable);}
  
  //Table 53. Page 0/Register 47: DAC_L1 to HPLOUT Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 47, 0b10000000 | volumeTable);
  //Table 70. Page 0/Register 64: DAC_R1 to HPROUT Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 64, 0b10000000 | volumeTable);
  //Table 60. Page 0/Register 54: DAC_L1 to HPLCOM Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 54, 0b10000000 | volumeTable);
  //Table 77. Page 0/Register 71: DAC_R1 to HPRCOM Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 71, 0b10000000 | volumeTable);
  //Table 82. Page 0/Register 82: DAC_L1 to LEFT_LOP/M Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 82, 0b10000000 | volumeTable);
  //Table 92. Page 0/Register 92: DAC_R1 to RIGHT_LOP/M Volume Control Register
  writeRegister(wire1, 0x18, Page_00, 92, 0b10000000 | volumeTable);
	return true;
}