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118 lines
3.7 KiB
118 lines
3.7 KiB
/*
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* BAAudioControlWM8731.h
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*
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* Created on: May 22, 2017
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* Author: slascos
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INC_BAAUDIOCONTROLWM8731_H_
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#define INC_BAAUDIOCONTROLWM8731_H_
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#include <Audio.h>
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namespace BAGuitar {
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// use const instead of define for proper scoping
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constexpr int WM8731_I2C_ADDR = 0x1A;
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constexpr int WM8731_NUM_REGS = 10;
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constexpr int WM8731_REG_LLINEIN = 0;
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constexpr int WM8731_REG_RLINEIN = 1;
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constexpr int WM8731_REG_LHEADOUT = 2;
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constexpr int WM8731_REG_RHEADOUT = 3;
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constexpr int WM8731_REG_ANALOG =4;
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constexpr int WM8731_REG_DIGITAL = 5;
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constexpr int WM8731_REG_POWERDOWN = 6;
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constexpr int WM8731_REG_INTERFACE = 7;
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constexpr int WM8731_REG_SAMPLING = 8;
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constexpr int WM8731_REG_ACTIVE = 9;
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constexpr int WM8731_REG_RESET = 15;
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// Register Masks and Shifts
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// Register 0
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constexpr int WM8731_LEFT_INPUT_GAIN_ADDR = 0;
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constexpr int WM8731_LEFT_INPUT_GAIN_MASK = 0x1F;
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constexpr int WM8731_LEFT_INPUT_GAIN_SHIFT = 0;
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constexpr int WM8731_LEFT_INPUT_MUTE_ADDR = 0;
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constexpr int WM8731_LEFT_INPUT_MUTE_MASK = 0x80;
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constexpr int WM8731_LEFT_INPUT_MUTE_SHIFT = 7;
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constexpr int WM8731_LINK_LEFT_RIGHT_IN_ADDR = 0;
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constexpr int WM8731_LINK_LEFT_RIGHT_IN_MASK = 0x100;
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constexpr int WM8731_LINK_LEFT_RIGHT_IN_SHIFT = 8;
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// Register 1
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constexpr int WM8731_RIGHT_INPUT_GAIN_ADDR = 1;
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constexpr int WM8731_RIGHT_INPUT_GAIN_MASK = 0x1F;
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constexpr int WM8731_RIGHT_INPUT_GAIN_SHIFT = 0;
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constexpr int WM8731_RIGHT_INPUT_MUTE_ADDR = 1;
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constexpr int WM8731_RIGHT_INPUT_MUTE_MASK = 0x80;
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constexpr int WM8731_RIGHT_INPUT_MUTE_SHIFT = 7;
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constexpr int WM8731_LINK_RIGHT_LEFT_IN_ADDR = 1;
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constexpr int WM8731_LINK_RIGHT_LEFT_IN_MASK = 0x100;
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constexpr int WM8731_LINK_RIGHT_LEFT_IN_SHIFT = 8;
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// Register 4
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constexpr int WM8731_ADC_BYPASS_ADDR = 4;
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constexpr int WM8731_ADC_BYPASS_MASK = 0x8;
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constexpr int WM8731_ADC_BYPASS_SHIFT = 3;
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constexpr int WM8731_DAC_SELECT_ADDR = 4;
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constexpr int WM8731_DAC_SELECT_MASK = 0x10;
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constexpr int WM8731_DAC_SELECT_SHIFT = 4;
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// Register 5
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constexpr int WM8731_DAC_MUTE_ADDR = 5;
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constexpr int WM8731_DAC_MUTE_MASK = 0x8;
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constexpr int WM8731_DAC_MUTE_SHIFT = 3;
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constexpr int WM8731_HPF_DISABLE_ADDR = 5;
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constexpr int WM8731_HPF_DISABLE_MASK = 0x1;
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constexpr int WM8731_HPF_DISABLE_SHIFT = 0;
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// Register 9
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constexpr int WM8731_ACTIVATE_ADDR = 9;
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constexpr int WM8731_ACTIVATE_MASK = 0x1;
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class BAAudioControlWM8731 {
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public:
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BAAudioControlWM8731();
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virtual ~BAAudioControlWM8731();
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void disable(void);
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bool enable(void);
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void setLeftInputGain(int val);
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void setRightInputGain(int val);
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void setLeftInMute(bool val);
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void setRightInMute(bool val);
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void setLinkLeftRightIn(bool val);
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void setDacMute(bool val);
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void setDacSelect(bool val);
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void setAdcBypass(bool val);
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void setHPFDisable(bool val);
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void setActivate(bool val);
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void resetCodec(void);
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void writeI2C(unsigned int addr, unsigned int val);
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protected:
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int regArray[WM8731_NUM_REGS];
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private:
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bool write(unsigned int reg, unsigned int val);
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void resetInternalReg(void);
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};
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} /* namespace BAGuitar */
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#endif /* INC_BAAUDIOCONTROLWM8731_H_ */
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