diff options
author | Harald Welte <laforge@gnumonks.org> | 2011-07-04 20:52:54 +0200 |
---|---|---|
committer | Harald Welte <laforge@gnumonks.org> | 2011-07-04 20:52:54 +0200 |
commit | 044ad7c3987460ede48ff27afd6bdb0ca05a0432 (patch) | |
tree | 924818cdb0d39ca08aec540d18da7bd406eaae8c /components/codec-ak4641/ak4641.h |
import at91lib from at91lib_20100901_softpack_1_9_v_1_0_svn_v1501120100901_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
Diffstat (limited to 'components/codec-ak4641/ak4641.h')
-rw-r--r-- | components/codec-ak4641/ak4641.h | 82 |
1 files changed, 82 insertions, 0 deletions
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
+
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