FreeCalypso > hg > fc-tourmaline
view src/cs/layer1/gtt_include/ctm/m_sequence.h @ 270:4f59ca578891
buzzer.c: rm remnants of C-Sample LT
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 13 Jun 2021 18:32:16 +0000 |
parents | 4e78acac3d88 |
children |
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/* ******************************************************************************* * * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 * * The program(s) may be used and/or copied only with the * written permission from Ericsson or in accordance * with the terms and conditions stipulated in the agreement or * contract under which the program(s) have been supplied. * ******************************************************************************* * * File : m_sequence.h * Purpose : Calculation of m-sequences * (maximum-length sequecnes or pseudo noise) * ******************************************************************************* */ #ifndef m_sequence_h #define m_sequence_h "$Id: $" /* ******************************************************************************* * INCLUDE FILES ******************************************************************************* */ /* ******************************************************************************* * DECLARATION OF PROTOTYPES ******************************************************************************* */ /* -------------------------------------------------------------------- */ /* function m_sequence() */ /* ********************* */ /* Calculates one period of an m-sequence (binary pseudo noise). */ /* The sequence is stored in the vector sequence, which must have a */ /* of (2^r)-1, where r is an integer number between 2 and 10. */ /* Therefore, with this release of m_sequence, sequences of length */ /* 3, 7, 15, 31, 63, 127, 255, 511, or 1023 can be generated. */ /* The resulting sequence is bipolar, i.e. it has values -1 and +1. */ /* -------------------------------------------------------------------- */ void m_sequence(WORD16 *sequence, WORD16 length); #endif