OpenAudio_ArduinoLibrary/control_tlv320aic3206.h

/* 
	control_tlv320aic3206
	
	Created: Brendan Flynn (http://www.flexvoltbiosensor.com/) for Tympan, Jan-Feb 2017
	Purpose: Control module for Texas Instruments TLV320AIC3206 compatible with Teensy Audio Library
 
	License: MIT License.  Use at your own risk.
 */

#ifndef control_tlv320aic3206_h_
#define control_tlv320aic3206_h_

#include "AudioControl.h"

class AudioControlTLV320AIC3206: public AudioControl
{
public:
	//GUI: inputs:0, outputs:0  //this line used for automatic generation of GUI node
	AudioControlTLV320AIC3206(void) {};
	bool enable(void);
	bool disable(void);
	bool volume(float n);
	bool volume_dB(float n);
	bool inputLevel(float n);  //dummy to be compatible with Teensy Audio Library
	bool inputSelect(int n);
	bool setInputGain_dB(float n);
	bool setMicBias(int n);

private:
  void aic_reset(void);
  void aic_init(void);
  void aic_initDAC(void);
  void aic_initADC(void);
  unsigned int aic_readPage(uint8_t page, uint8_t reg);
  bool aic_writePage(uint8_t page, uint8_t reg, uint8_t val);
  bool aic_writeAddress(uint16_t address, uint8_t val);
  bool aic_goToPage(uint8_t page);
};

#define TYMPAN_OUTPUT_HEADPHONE_JACK_OUT 1

//convenience names to use with inputSelect() to set whnch analog inputs to use
#define TYMPAN_INPUT_LINE_IN            1   //uses IN1
#define TYMPAN_INPUT_ON_BOARD_MIC       2   //uses IN2 analog inputs
#define TYMPAN_INPUT_JACK_AS_LINEIN     3   //uses IN3 analog inputs
#define TYMPAN_INPUT_JACK_AS_MIC        4   //uses IN3 analog inputs *and* enables mic bias

//names to use with setMicBias() to set the amount of bias voltage to use
#define TYMPAN_MIC_BIAS_OFF             0
#define TYMPAN_MIC_BIAS_1_25            1
#define TYMPAN_MIC_BIAS_1_7             2
#define TYMPAN_MIC_BIAS_2_5             3
#define TYMPAN_MIC_BIAS_VSUPPLY         4
#define TYMPAN_DEFAULT_MIC_BIAS TYMPAN_MIC_BIAS_2_5

#endif