FreeCalypso > hg > fc-magnetite

annotate src/cs/layer1/gtt_include/ctm/diag_interleaver.h @ 597:f18b29e27be5

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First attempt at MCSI voice path automatic switching The function is implemented at the ACI level in both aci2 and aci3, successfully avoids triggering the DSP bug on the first call, but the shutdown of MCSI upon call completion is not working properly yet in either version.
author Mychaela Falconia <falcon@freecalypso.org>
date Wed, 27 Mar 2019 22:18:35 +0000
parents 945cf7f506b2
children
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1 /*
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2 *******************************************************************************
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3 *
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100
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6 *
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7 * The program(s) may be used and/or copied only with the
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8 * written permission from Ericsson or in accordance
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9 * with the terms and conditions stipulated in the agreement or
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10 * contract under which the program(s) have been supplied.
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11 *
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12 *******************************************************************************
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13 *
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14 * File : diag_interleaver.h
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15 * Purpose : diagonal (chain) interleaver routine
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16 *
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17 *******************************************************************************
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18 */
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19 #ifndef diag_interleaver_h
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20 #define diag_interleaver_h "$Id: $"
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21
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22 /*
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23 *******************************************************************************
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24 * INCLUDE FILES
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25 *******************************************************************************
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26 */
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27
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28 #include "init_interleaver.h"
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30
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31 /*
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32 *******************************************************************************
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33 * DECLARATION OF PROTOTYPES
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34 *******************************************************************************
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35 */
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36
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37 /* ---------------------------------------------------------------------- */
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38 /* diag_interleaver: */
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39 /* Diagonal (chain) interleaver, based on block-by-block processing. */
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40 /* An arbitrary number of bits can be interleaved, depending of the */
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41 /* value num_bits. The vector "out", which must have the same */
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42 /* length than "in", contains the interleaved samples. */
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43 /* All states (memory etc.) of the interleaver are stored in the variable */
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44 /* *intl_state. Therefore, a pointer to this variable must be handled to */
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45 /* this function. This variable initially has to be initialized by the */
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46 /* function init_interleaver, which offers also the possibility to */
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47 /* specify the dimensions of the interleaver matrix. */
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48 /* ---------------------------------------------------------------------- */
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49
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50 void diag_interleaver(WORD16 *out,
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51 WORD16 *in,
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52 WORD16 num_bits,
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53 interleaver_state_t *intl_state);
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54
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55 /* ---------------------------------------------------------------------- */
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56 /* diag_interleaver_flush: */
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57 /* Execution of the diagonal (chain) interleaver without writing in new */
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58 /* samples. The number of calculated output samples is returned via the */
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59 /* value *num_bits. */
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60 /* ---------------------------------------------------------------------- */
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61
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62 void diag_interleaver_flush(WORD16 *out,
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63 WORD16 *num_bits,
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64 interleaver_state_t *intl_state);
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65
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66 #endif
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67