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Makefile with libs and atmel source

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Christina Quast
2014-12-02 13:06:01 +01:00
parent a42c11f876
commit 8be71e4e99
63 changed files with 14441 additions and 2654 deletions
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139
sam3s_example/atmel_softpack_libraries/libboard_sam3s-ek/source/wm8731.c Normal file
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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2009, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
/**
* \file
*
* Implementation WM8731 driver.
*
*/
/*----------------------------------------------------------------------------
* Headers
*----------------------------------------------------------------------------*/
#include "board.h"
/*----------------------------------------------------------------------------
* Exported functions
*----------------------------------------------------------------------------*/
/**
* \brief Read data from WM8731 Register.
*
* \param pTwid Pointer to twi driver structure
* \param device Twi slave address.
* \param regAddr Register address to read.
* \return value in the given register.
*/
uint16_t WM8731_Read(Twid *pTwid,
uint32_t device,
uint32_t regAddr)
{
uint16_t bitsDataRegister;
uint8_t Tdata[2]={0,0};
TWID_Read(pTwid, device, regAddr, 0, Tdata, 2, 0);
bitsDataRegister = (Tdata[0] << 8) | Tdata[1];
return bitsDataRegister;
}
/**
* \brief Write data to WM8731 Register.
*
* \param pTwid Pointer to twi driver structure
* \param device Twi slave address.
* \param regAddr Register address to read.
* \param data Data to write
*/
void WM8731_Write(Twid *pTwid,
uint32_t device,
uint32_t regAddr,
uint16_t data)
{
uint8_t tmpData[2];
uint16_t tmp;
tmp = ((regAddr & 0x7f) << 9) | (data & 0x1ff);
tmpData[0] = (tmp & 0xff00) >> 8;
tmpData[1] = tmp & 0xff;
TWID_Write(pTwid, device, regAddr, 0, tmpData, 2, 0);
}
/**
* \brief Init WM8731 to DAC mode.
*
* \param pTwid Pointer to twi driver structure
* \param device Twi slave address.
* \return 0.
*/
uint8_t WM8731_DAC_Init(Twid *pTwid,
uint32_t device)
{
/* reset */
WM8731_Write(pTwid, device, WM8731_REG_RESET, 0);
/* analogue audio path control */
WM8731_Write(pTwid, device, WM8731_REG_ANALOGUE_PATH_CTRL, 0x12);
/* digital audio path control*/
WM8731_Write(pTwid, device, WM8731_REG_DIGITAL_PATH_CTRL, 0x00);
/* power down control */
WM8731_Write(pTwid, device, WM8731_REG_PWDOWN_CTRL, 0x7);
/* Active control*/
WM8731_Write(pTwid, device, WM8731_REG_ACTIVE_CTRL, 0x01);
return 0;
}
/**
* \brief Set WM8731 volume
*
* \param pTwid Pointer to twi driver structure
* \param device Twi slave address.
* \param value Register value, valid value is between 0x30 to 0x7f
* \return 0.
*/
uint8_t WM8731_VolumeSet(Twid *pTwid,
uint32_t device,
uint16_t value)
{
uint16_t regValue;
value &= WM8731_LHPVOL_BITS;
regValue = WM8731_LRHPBOTH_BIT | WM8731_LZCEN_BIT | value;
WM8731_Write(pTwid, device, WM8731_REG_LEFT_HPOUT, regValue);
regValue = WM8731_RZCEN_BIT | WM8731_RLHPBOTH_BIT | value;
WM8731_Write(pTwid, device, WM8731_REG_RIGHT_HPOUT, value);
return 0;
}