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control_sgtl5000.h
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control_sgtl5000.h
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/* Audio Library for Teensy 3.X
* Copyright (c) 2014, Paul Stoffregen, paul@pjrc.com
*
* Development of this audio library was funded by PJRC.COM, LLC by sales of
* Teensy and Audio Adaptor boards. Please support PJRC's efforts to develop
* open source software by purchasing Teensy or other PJRC products.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice, development funding notice, and this permission
* notice shall be included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef control_sgtl5000_h_
#define control_sgtl5000_h_
#include "AudioControl.h"
class AudioControlSGTL5000 : public AudioControl
{
public:
AudioControlSGTL5000(void) : i2c_addr(0x0A) { }
void setAddress(uint8_t level);
bool enable(void);
bool disable(void) { return false; }
bool volume(float n) { return volumeInteger(n * 129 + 0.499); }
bool inputLevel(float n) {return false;}
bool muteHeadphone(void) { return write(0x0024, ana_ctrl | (1<<4)); }
bool unmuteHeadphone(void) { return write(0x0024, ana_ctrl & ~(1<<4)); }
bool muteLineout(void) { return write(0x0024, ana_ctrl | (1<<8)); }
bool unmuteLineout(void) { return write(0x0024, ana_ctrl & ~(1<<8)); }
bool inputSelect(int n) {
if (n == AUDIO_INPUT_LINEIN) {
return write(0x0020, 0x055) // +7.5dB gain (1.3Vp-p full scale)
&& write(0x0024, ana_ctrl | (1<<2)); // enable linein
} else if (n == AUDIO_INPUT_MIC) {
return write(0x002A, 0x0173) // mic preamp gain = +40dB
&& write(0x0020, 0x088) // input gain +12dB (is this enough?)
&& write(0x0024, ana_ctrl & ~(1<<2)); // enable mic
} else {
return false;
}
}
bool volume(float left, float right);
bool micGain(unsigned int dB);
bool lineInLevel(uint8_t n) { return lineInLevel(n, n); }
bool lineInLevel(uint8_t left, uint8_t right);
unsigned short lineOutLevel(uint8_t n);
unsigned short lineOutLevel(uint8_t left, uint8_t right);
unsigned short dacVolume(float n);
unsigned short dacVolume(float left, float right);
bool dacVolumeRamp();
bool dacVolumeRampLinear();
bool dacVolumeRampDisable();
unsigned short adcHighPassFilterEnable(void);
unsigned short adcHighPassFilterFreeze(void);
unsigned short adcHighPassFilterDisable(void);
unsigned short audioPreProcessorEnable(void);
unsigned short audioPostProcessorEnable(void);
unsigned short audioProcessorDisable(void);
unsigned short eqFilterCount(uint8_t n);
unsigned short eqSelect(uint8_t n);
unsigned short eqBand(uint8_t bandNum, float n);
void eqBands(float bass, float mid_bass, float midrange, float mid_treble, float treble);
void eqBands(float bass, float treble);
void eqFilter(uint8_t filterNum, int *filterParameters);
unsigned short autoVolumeControl(uint8_t maxGain, uint8_t lbiResponse, uint8_t hardLimit, float threshold, float attack, float decay);
unsigned short autoVolumeEnable(void);
unsigned short autoVolumeDisable(void);
unsigned short enhanceBass(float lr_lev, float bass_lev);
unsigned short enhanceBass(float lr_lev, float bass_lev, uint8_t hpf_bypass, uint8_t cutoff);
unsigned short enhanceBassEnable(void);
unsigned short enhanceBassDisable(void);
unsigned short surroundSound(uint8_t width);
unsigned short surroundSound(uint8_t width, uint8_t select);
unsigned short surroundSoundEnable(void);
unsigned short surroundSoundDisable(void);
void killAutomation(void) { semi_automated=false; }
protected:
bool muted;
bool volumeInteger(unsigned int n); // range: 0x00 to 0x80
uint16_t ana_ctrl;
uint8_t i2c_addr;
unsigned char calcVol(float n, unsigned char range);
unsigned int read(unsigned int reg);
bool write(unsigned int reg, unsigned int val);
unsigned int modify(unsigned int reg, unsigned int val, unsigned int iMask);
unsigned short dap_audio_eq_band(uint8_t bandNum, float n);
private:
bool semi_automated;
void automate(uint8_t dap, uint8_t eq);
void automate(uint8_t dap, uint8_t eq, uint8_t filterCount);
};
//For Filter Type: 0 = LPF, 1 = HPF, 2 = BPF, 3 = NOTCH, 4 = PeakingEQ, 5 = LowShelf, 6 = HighShelf
#define FILTER_LOPASS 0
#define FILTER_HIPASS 1
#define FILTER_BANDPASS 2
#define FILTER_NOTCH 3
#define FILTER_PARAEQ 4
#define FILTER_LOSHELF 5
#define FILTER_HISHELF 6
//For frequency adjustment
#define FLAT_FREQUENCY 0
#define PARAMETRIC_EQUALIZER 1
#define TONE_CONTROLS 2
#define GRAPHIC_EQUALIZER 3
void calcBiquad(uint8_t filtertype, float fC, float dB_Gain, float Q, uint32_t quantization_unit, uint32_t fS, int *coef);
#endif