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195 lines
8.5 KiB
C
195 lines
8.5 KiB
C
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/**
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* \file
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*
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* Implementation WM8731 driver.
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*
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*/
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#ifndef WM8731_H
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#define WM8731_H
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#include "board.h"
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/*----------------------------------------------------------------------------
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* Definitions
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*----------------------------------------------------------------------------*/
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#define WM8731_CSB_STATE (0x0 << 0)
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/** Slave address */
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//#define WM8731_SLAVE_ADDRESS 0x1a | WM8731_CSB_STATE*/
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#define WM8731_SLAVE_ADDRESS 0x1b
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/** Reset register*/
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#define WM8731_REG_RESET 0x0F
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/** Left Line in register*/
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#define WM8731_REG_LEFT_lINEIN 0x0
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/** Left line input volume control*/
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#define WM8731_LINVOL_BITS (0x1f << 0)
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/** Left line input mute to ADC*/
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#define WM8731_LINMUTE_BIT (0x1 << 7)
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/** Left to right channel line input volume and mute data load control*/
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#define WM8731_LRINBOTH_BIT (0x0 << 8)
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/** Right Line in register*/
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#define WM8731_REG_RIGHT_lINEIN 0x1
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/** Right line input volume control*/
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#define WM8731_RINVOL_BITS (0x1f << 0)
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/** Right line input mute to ADC*/
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#define WM8731_RINMUTE_BIT (0x1 << 7)
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/** Right to right channel line input volume and mute data load control*/
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#define WM8731_RLINBOTH_BIT (0x0 << 8)
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/** Left Headphone out register*/
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#define WM8731_REG_LEFT_HPOUT 0x2
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/** Left chnnel headphone output volume control*/
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#define WM8731_LHPVOL_BITS (0x7f << 0)
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/** Left channel zero cross detect enable*/
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#define WM8731_LZCEN_BIT (0x1 << 7)
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/** Left to right channel headphone volume, mute and zero cross data load control*/
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#define WM8731_LRHPBOTH_BIT (0x1 << 8)
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/** Right Headphone out register*/
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#define WM8731_REG_RIGHT_HPOUT 0x3
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/** Right chnnel headphone output volume control*/
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#define WM8731_RHPVOL_BITS (0x7f << 0)
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/** Right channel zero cross detect enable*/
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#define WM8731_RZCEN_BIT (0x1 << 7)
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/** Right to right channel headphone volume, mute and zero cross data load control*/
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#define WM8731_RLHPBOTH_BIT (0x1 << 8)
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/** Analogue audio path control register*/
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#define WM8731_REG_ANALOGUE_PATH_CTRL 0x4
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/** Digital audio path control register*/
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#define WM8731_REG_DIGITAL_PATH_CTRL 0x5
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/** Power down control register*/
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#define WM8731_REG_PWDOWN_CTRL 0x6
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/** LineIn power down*/
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#define WM8731_LINEINPD_BIT (0x1 << 0)
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#define WM8731_ENABLE_LINEINPD (0x1 << 0)
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#define WM8731_DISABLE_LINEINPD (0x0 << 0)
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/** Mic power down*/
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#define WM8731_MICPD_BIT (0x1 << 1)
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#define WM8731_ENABLE_MICPD (0x1 << 1)
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#define WM8731_DISABLE_MICPD (0x0 << 1)
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/** ADC power down*/
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#define WM8731_ADCPD_BIT (0x1 << 2)
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#define WM8731_ENABLE_ADCPD (0x1 << 2)
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#define WM8731_DISABLE_ADCPD (0x0 << 2)
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/** DAC power down*/
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#define WM8731_DACPD_BIT (0x1 << 3)
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#define WM8731_ENABLE_DACPD (0x1 << 3)
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#define WM8731_DISABLE_DACPD (0x0 << 3)
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/** OUT power down*/
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#define WM8731_OUTPD_BIT (0x1 << 4)
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#define WM8731_ENABLE_OUTPD (0x1 << 4)
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#define WM8731_DISABLE_OUTPD (0x0 << 4)
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/** OSC power down*/
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#define WM8731_OSCBIT (0x1 << 5)
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#define WM8731_ENABLE_OSCPD (0x1 << 5)
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#define WM8731_DISABLE_OSCPD (0x0 << 5)
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/** CLKOUT powerdown*/
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#define WM8731_CLKOUTPD_BIT (0x1 << 6)
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#define WM8731_ENABLE_CLKOUTPD (0x1 << 6)
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#define WM8731_DISABLE_CLKOUTPD (0x0 << 6)
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/** Power off device*/
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#define WM8731_POWEROFF_BIT (0x1 << 7)
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#define WM8731_DEV_POWER_OFF (0x1 << 7)
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#define WM8731_DEV_POWER_ON (0x0 << 7)
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/** Interface format register*/
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#define WM8731_REG_DA_INTERFACE_FORMAT 0x7
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/** Format*/
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#define WM8731_FORMAT_BITS (0x3 << 0)
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#define WM8731_FORMAT_MSB_LEFT_JUSTIFIED (0x0 << 0)
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#define WM8731_FORMAT_MSB_RIGHT_JUSTIFIED (0x1 << 0)
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#define WM8731_FORMAT_I2S (0x2 << 0)
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#define WM8731_FORMAT_DSP (0x3 << 0)
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/** Input audio data bit length select*/
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#define WM8731_IWL_BITS (0x3 << 2)
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#define WM8731_IWL_16_BIT (0x0 << 2)
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#define WM8731_IWL_20_BIT (0x1 << 2)
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#define WM8731_IWL_24_BIT (0x2 << 2)
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#define WM8731_IWL_32_BIT (0x3 << 2)
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/** DACLRC phase control*/
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#define WM8731_IRP_BITS (0x1 << 4)
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/** DAC Left right clock swap*/
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#define WM8731_IRSWAP_BIT (0x1 << 5)
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/** Master slave mode control*/
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#define WM8731_MS_BIT (0x1 << 6)
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#define WM8731_ENABLE_MASTER_MODE (0x1 << 6)
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#define WM8731_ENABLE_SLAVE_MODE (0x0 << 6)
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/** Bit clock invert*/
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#define WM8731_BCLKINV_BIT (0x1 << 7)
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/** Sampling control*/
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#define WM8731_REG_SAMPLECTRL 0x8
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/** Mode select, usb mode, normal mode*/
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#define WM8731_USBNORMAL_BIT (0x1 << 0)
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#define WM8731_NORMAL_MODE (0x1 << 0)
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#define WM8731_USB_MODE (0x1 << 1)
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/** Base over-sampling rate*/
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#define WM8731_BOSR_BIT (0x1 << 1)
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#define WM8731_USB_250FS (0x0 << 1)
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#define WM8731_USB_272FS (0x1 << 1)
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#define WM8731_NORMAL_256FS (0x0 << 1)
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#define WM8731_NORMAL_128_192_384_FS (0x1 << 1)
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/** Sample rate control*/
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#define WM8731_SR_BITS (0xf << 2)
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#define WM8731_CLKIDIV2_BIT (0x1 << 6)
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#define WM8731_CLKODIV2_BIT (0x1 << 7)
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/** Active control register*/
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#define WM8731_REG_ACTIVE_CTRL 0x9
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/** Activate interface*/
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#define WM8731_ACTIVE_BIT (0x1 << 0)
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#define WM8731_ACTIVE_INTERFACE_ACTIVE (0x1 << 1)
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#define WM8731_ACTIVE_INTERFACE_INACTIVE (0x0 << 1)
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/*----------------------------------------------------------------------------
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* Exported functions
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*----------------------------------------------------------------------------*/
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extern uint16_t WM8731_Read(Twid *pTwid, uint32_t device, uint32_t regAddr);
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extern void WM8731_Write(Twid *pTwid, uint32_t device, uint32_t regAddr, uint16_t data);
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extern uint8_t WM8731_DAC_Init(Twid *pTwid, uint32_t device);
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extern uint8_t WM8731_VolumeSet(Twid *pTwid, uint32_t device, uint16_t value);
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#endif // WM8731_H
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