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58 lines
2.0 KiB
58 lines
2.0 KiB
/*
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control_tlv320aic3206
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Created: Brendan Flynn (http://www.flexvoltbiosensor.com/) for Tympan, Jan-Feb 2017
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Purpose: Control module for Texas Instruments TLV320AIC3206 compatible with Teensy Audio Library
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License: MIT License. Use at your own risk.
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*/
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#ifndef control_tlv320aic3206_h_
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#define control_tlv320aic3206_h_
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#include "AudioControl.h"
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class AudioControlTLV320AIC3206: public AudioControl
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{
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public:
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//GUI: inputs:0, outputs:0 //this line used for automatic generation of GUI node
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AudioControlTLV320AIC3206(void) { debugToSerial = false; };
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AudioControlTLV320AIC3206(bool _debugToSerial) { debugToSerial = _debugToSerial; };
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bool enable(void);
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bool disable(void);
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bool volume(float n);
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bool volume_dB(float n);
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bool inputLevel(float n); //dummy to be compatible with Teensy Audio Library
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bool inputSelect(int n);
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bool setInputGain_dB(float n);
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bool setMicBias(int n);
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bool debugToSerial;
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private:
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void aic_reset(void);
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void aic_init(void);
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void aic_initDAC(void);
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void aic_initADC(void);
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unsigned int aic_readPage(uint8_t page, uint8_t reg);
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bool aic_writePage(uint8_t page, uint8_t reg, uint8_t val);
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bool aic_writeAddress(uint16_t address, uint8_t val);
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bool aic_goToPage(uint8_t page);
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};
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#define TYMPAN_OUTPUT_HEADPHONE_JACK_OUT 1
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//convenience names to use with inputSelect() to set whnch analog inputs to use
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#define TYMPAN_INPUT_LINE_IN 1 //uses IN1
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#define TYMPAN_INPUT_ON_BOARD_MIC 2 //uses IN2 analog inputs
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#define TYMPAN_INPUT_JACK_AS_LINEIN 3 //uses IN3 analog inputs
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#define TYMPAN_INPUT_JACK_AS_MIC 4 //uses IN3 analog inputs *and* enables mic bias
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//names to use with setMicBias() to set the amount of bias voltage to use
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#define TYMPAN_MIC_BIAS_OFF 0
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#define TYMPAN_MIC_BIAS_1_25 1
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#define TYMPAN_MIC_BIAS_1_7 2
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#define TYMPAN_MIC_BIAS_2_5 3
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#define TYMPAN_MIC_BIAS_VSUPPLY 4
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#define TYMPAN_DEFAULT_MIC_BIAS TYMPAN_MIC_BIAS_2_5
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#endif
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