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annotate src/cs/layer1/gtt_include/ctm/m_sequence.h @ 268:f2e52cab0a73

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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
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2 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 *
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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9 * with the terms and conditions stipulated in the agreement or
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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10 * contract under which the program(s) have been supplied.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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12 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 *
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14 * File : m_sequence.h
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15 * Purpose : Calculation of m-sequences
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16 * (maximum-length sequecnes or pseudo noise)
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17 *
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18 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19 */
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20
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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21 #ifndef m_sequence_h
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22 #define m_sequence_h "$Id: $"
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23
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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24 /*
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25 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 * INCLUDE FILES
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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27 *******************************************************************************
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28 */
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29
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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31 /*
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32 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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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 /* function m_sequence() */
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39 /* ********************* */
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40 /* Calculates one period of an m-sequence (binary pseudo noise). */
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41 /* The sequence is stored in the vector sequence, which must have a */
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42 /* of (2^r)-1, where r is an integer number between 2 and 10. */
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43 /* Therefore, with this release of m_sequence, sequences of length */
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44 /* 3, 7, 15, 31, 63, 127, 255, 511, or 1023 can be generated. */
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45 /* The resulting sequence is bipolar, i.e. it has values -1 and +1. */
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46 /* -------------------------------------------------------------------- */
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47
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48 void m_sequence(WORD16 *sequence, WORD16 length);
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49
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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51 #endif
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52
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