From 044ad7c3987460ede48ff27afd6bdb0ca05a0432 Mon Sep 17 00:00:00 2001 From: Harald Welte Date: Mon, 4 Jul 2011 20:52:54 +0200 Subject: import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v15011 it's sad to see that atmel doesn't publish their svn repo or has a centralized location or even puts proper version/release info into the library itself --- components/codec-ak4641/ak4641.h | 82 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 components/codec-ak4641/ak4641.h (limited to 'components/codec-ak4641/ak4641.h') diff --git a/components/codec-ak4641/ak4641.h b/components/codec-ak4641/ak4641.h new file mode 100644 index 0000000..5eebc45 --- /dev/null +++ b/components/codec-ak4641/ak4641.h @@ -0,0 +1,82 @@ +/* ---------------------------------------------------------------------------- + * ATMEL Microcontroller Software Support + * ---------------------------------------------------------------------------- + * Copyright (c) 2008, 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. + * ---------------------------------------------------------------------------- + */ + +#ifndef AK4641_H +#define AK4641_H + +//------------------------------------------------------------------------------ +// Definitions +//------------------------------------------------------------------------------ + +/*! Calculates the SSC Transmit Clock Mode Register value given the desired + \a sampleSize (in bytes) and \a numChannels */ +#define AK4641_TCMR(sampleSize, numChannels) \ + (0x02 /* LibV3 constant is not valid */ \ + | AT91C_SSC_CKO_NONE \ + | AT91C_SSC_START_FALL_RF \ + | SSC_STTDLY(1) \ + | SSC_PERIOD(sampleSize * 8 * numChannels)) + +/*! Calculates the SSC Transmit Frame Mode Register value given the desired + \a sampleSize (in bytes) and \a numChannels */ +#define AK4641_TFMR(sampleSize, numChannels) \ + (SSC_DATLEN(sampleSize * 8) \ + | AT91C_SSC_MSBF \ + | SSC_DATNB(numChannels) \ + | SSC_FSLEN(sampleSize * 8) \ + | AT91C_SSC_FSOS_NEGATIVE) + +/*! Calculates the SSC Received Clock Mode Register value given the desired + \a sampleSize (in bytes) and \a numChannels */ +#define AK4641_RCMR(sampleSize, numChannels) \ + (AT91C_SSC_CKS_TK \ + | AT91C_SSC_CKO_NONE \ + | AT91C_SSC_CKI \ + | AT91C_SSC_START_TX \ + | SSC_STTDLY(1) \ + | SSC_PERIOD(sampleSize * 8 * numChannels)) + +/*! Calculates the SSC Receive Frame Mode Register value given the desired + \a sampleSize (in bytes) and \a numChannels. */ +#define AK4641_RFMR(sampleSize, numChannels) \ + (SSC_DATLEN(sampleSize *8) \ + | AT91C_SSC_MSBF \ + | SSC_DATNB(numChannels) \ + | SSC_FSLEN(sampleSize * 8) \ + | AT91C_SSC_FSOS_NEGATIVE) + +//------------------------------------------------------------------------------ +// Exported functions +//------------------------------------------------------------------------------ + +extern inline void AK4641_Configure(AT91S_TWI *twi); +extern inline void AK4641_SetMuted(AT91S_TWI *twi, unsigned char muted); + +#endif //#ifndef AK4641_H + -- cgit v1.2.3