72 lines
2.5 KiB
C++
72 lines
2.5 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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* https://hackaday.io/project/5912-teensy-super-audio-board
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* https://github.com/whollender/Audio/tree/SuperAudioBoard
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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_cs4272_h_
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#define control_cs4272_h_
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#include "AudioControl.h"
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class AudioControlCS4272 : public AudioControl
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{
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public:
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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 * 127 + 0.499); }
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bool inputLevel(float n) { return false; }
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bool inputSelect(int n) { return false; }
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bool volume(float left, float right);
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bool dacVolume(float n) { return volumeInteger(n * 127 + 0.499); }
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bool dacVolume(float left, float right);
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bool muteOutput(void);
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bool unmuteOutput(void);
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bool muteInput(void);
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bool unmuteInput(void);
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bool enableDither(void);
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bool disableDither(void);
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protected:
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bool write(unsigned int reg, unsigned int val);
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bool volumeInteger(unsigned int n); // range: 0x0 to 0x7F
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uint8_t regLocal[8];
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void initLocalRegs(void);
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};
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// For sample rate ratio select (only single speed tested)
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#define CS4272_RATIO_SINGLE 0
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#define CS4272_RATIO_DOUBLE 2
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#define CS4272_RATIO_QUAD 3
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#endif
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