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