314 lines
9.2 KiB
C
314 lines
9.2 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* v17tx_constellation_maps.h - ITU V.17 modem transmit part.
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* Constellation mapping.
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2004 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 2.1,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* $Id: v17tx_constellation_maps.h,v 1.1 2008/05/02 14:44:08 steveu Exp $
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*/
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#if defined(SPANDSP_USE_FIXED_POINTx)
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static const complexi16_t v17_abcd_constellation[4] =
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#else
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static const complexf_t v17_abcd_constellation[4] =
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#endif
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{
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{-6, -2},
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{ 2, -6},
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{ 6, 2},
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{-2, 6}
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};
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#if defined(SPANDSP_USE_FIXED_POINTx)
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static const complexi16_t v17_14400_constellation[128] =
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#else
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static const complexf_t v17_14400_constellation[128] =
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#endif
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{
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{-8, -3}, /* 0x00 */
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{ 9, 2}, /* 0x01 */
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{ 2, -9}, /* 0x02 */
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{-3, 8}, /* 0x03 */
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{ 8, 3}, /* 0x04 */
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{-9, -2}, /* 0x05 */
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{-2, 9}, /* 0x06 */
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{ 3, -8}, /* 0x07 */
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{-8, 1}, /* 0x08 */
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{ 9, -2}, /* 0x09 */
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{-2, -9}, /* 0x0A */
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{ 1, 8}, /* 0x0B */
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{ 8, -1}, /* 0x0C */
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{-9, 2}, /* 0x0D */
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{ 2, 9}, /* 0x0E */
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{-1, -8}, /* 0x0F */
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{-4, -3}, /* 0x10 */
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{ 5, 2}, /* 0x11 */
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{ 2, -5}, /* 0x12 */
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{-3, 4}, /* 0x13 */
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{ 4, 3}, /* 0x14 */
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{-5, -2}, /* 0x15 */
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{-2, 5}, /* 0x16 */
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{ 3, -4}, /* 0x17 */
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{-4, 1}, /* 0x18 */
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{ 5, -2}, /* 0x19 */
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{-2, -5}, /* 0x1A */
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{ 1, 4}, /* 0x1B */
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{ 4, -1}, /* 0x1C */
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{-5, 2}, /* 0x1D */
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{ 2, 5}, /* 0x1E */
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{-1, -4}, /* 0x1F */
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{ 4, -3}, /* 0x20 */
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{-3, 2}, /* 0x21 */
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{ 2, 3}, /* 0x22 */
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{-3, -4}, /* 0x23 */
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{-4, 3}, /* 0x24 */
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{ 3, -2}, /* 0x25 */
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{-2, -3}, /* 0x26 */
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{ 3, 4}, /* 0x27 */
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{ 4, 1}, /* 0x28 */
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{-3, -2}, /* 0x29 */
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{-2, 3}, /* 0x2A */
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{ 1, -4}, /* 0x2B */
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{-4, -1}, /* 0x2C */
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{ 3, 2}, /* 0x2D */
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{ 2, -3}, /* 0x2E */
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{-1, 4}, /* 0x2F */
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{ 0, -3}, /* 0x30 */
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{ 1, 2}, /* 0x31 */
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{ 2, -1}, /* 0x32 */
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{-3, 0}, /* 0x33 */
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{ 0, 3}, /* 0x34 */
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{-1, -2}, /* 0x35 */
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{-2, 1}, /* 0x36 */
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{ 3, 0}, /* 0x37 */
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{ 0, 1}, /* 0x38 */
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{ 1, -2}, /* 0x39 */
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{-2, -1}, /* 0x3A */
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{ 1, 0}, /* 0x3B */
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{ 0, -1}, /* 0x3C */
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{-1, 2}, /* 0x3D */
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{ 2, 1}, /* 0x3E */
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{-1, 0}, /* 0x3F */
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{ 8, -3}, /* 0x40 */
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{-7, 2}, /* 0x41 */
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{ 2, 7}, /* 0x42 */
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{-3, -8}, /* 0x43 */
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{-8, 3}, /* 0x44 */
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{ 7, -2}, /* 0x45 */
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{-2, -7}, /* 0x46 */
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{ 3, 8}, /* 0x47 */
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{ 8, 1}, /* 0x48 */
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{-7, -2}, /* 0x49 */
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{-2, 7}, /* 0x4A */
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{ 1, -8}, /* 0x4B */
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{-8, -1}, /* 0x4C */
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{ 7, 2}, /* 0x4D */
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{ 2, -7}, /* 0x4E */
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{-1, 8}, /* 0x4F */
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{-4, -7}, /* 0x50 */
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{ 5, 6}, /* 0x51 */
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{ 6, -5}, /* 0x52 */
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{-7, 4}, /* 0x53 */
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{ 4, 7}, /* 0x54 */
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{-5, -6}, /* 0x55 */
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{-6, 5}, /* 0x56 */
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{ 7, -4}, /* 0x57 */
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{-4, 5}, /* 0x58 */
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{ 5, -6}, /* 0x59 */
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{-6, -5}, /* 0x5A */
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{ 5, 4}, /* 0x5B */
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{ 4, -5}, /* 0x5C */
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{-5, 6}, /* 0x5D */
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{ 6, 5}, /* 0x5E */
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{-5, -4}, /* 0x5F */
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{ 4, -7}, /* 0x60 */
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{-3, 6}, /* 0x61 */
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{ 6, 3}, /* 0x62 */
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{-7, -4}, /* 0x63 */
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{-4, 7}, /* 0x64 */
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{ 3, -6}, /* 0x65 */
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{-6, -3}, /* 0x66 */
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{ 7, 4}, /* 0x67 */
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{ 4, 5}, /* 0x68 */
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{-3, -6}, /* 0x69 */
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{-6, 3}, /* 0x6A */
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{ 5, -4}, /* 0x6B */
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{-4, -5}, /* 0x6C */
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{ 3, 6}, /* 0x6D */
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{ 6, -3}, /* 0x6E */
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{-5, 4}, /* 0x6F */
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{ 0, -7}, /* 0x70 */
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{ 1, 6}, /* 0x71 */
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{ 6, -1}, /* 0x72 */
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{-7, 0}, /* 0x73 */
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{ 0, 7}, /* 0x74 */
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{-1, -6}, /* 0x75 */
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{-6, 1}, /* 0x76 */
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{ 7, 0}, /* 0x77 */
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{ 0, 5}, /* 0x78 */
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{ 1, -6}, /* 0x79 */
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{-6, -1}, /* 0x7A */
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{ 5, 0}, /* 0x7B */
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{ 0, -5}, /* 0x7C */
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{-1, 6}, /* 0x7D */
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{ 6, 1}, /* 0x7E */
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{-5, 0} /* 0x7F */
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};
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#if defined(SPANDSP_USE_FIXED_POINTx)
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static const complexi16_t v17_12000_constellation[64] =
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#else
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static const complexf_t v17_12000_constellation[64] =
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#endif
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{
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{ 7, 1}, /* 0x00 */
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{-5, -1}, /* 0x01 */
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{-1, 5}, /* 0x02 */
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{ 1, -7}, /* 0x03 */
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{-7, -1}, /* 0x04 */
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{ 5, 1}, /* 0x05 */
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{ 1, -5}, /* 0x06 */
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{-1, 7}, /* 0x07 */
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{ 3, -3}, /* 0x08 */
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{-1, 3}, /* 0x09 */
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{ 3, 1}, /* 0x0A */
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{-3, -3}, /* 0x0B */
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{-3, 3}, /* 0x0C */
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{ 1, -3}, /* 0x0D */
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{-3, -1}, /* 0x0E */
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{ 3, 3}, /* 0x0F */
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{ 7, -7}, /* 0x10 */
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{-5, 7}, /* 0x11 */
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{ 7, 5}, /* 0x12 */
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{-7, -7}, /* 0x13 */
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{-7, 7}, /* 0x14 */
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{ 5, -7}, /* 0x15 */
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{-7, -5}, /* 0x16 */
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{ 7, 7}, /* 0x17 */
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{-1, -7}, /* 0x18 */
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{ 3, 7}, /* 0x19 */
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{ 7, -3}, /* 0x1A */
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{-7, 1}, /* 0x1B */
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{ 1, 7}, /* 0x1C */
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{-3, -7}, /* 0x1D */
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{-7, 3}, /* 0x1E */
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{ 7, -1}, /* 0x1F */
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{ 3, 5}, /* 0x20 */
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{-1, -5}, /* 0x21 */
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{-5, 1}, /* 0x22 */
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{ 5, -3}, /* 0x23 */
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{-3, -5}, /* 0x24 */
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{ 1, 5}, /* 0x25 */
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{ 5, -1}, /* 0x26 */
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{-5, 3}, /* 0x27 */
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{-1, 1}, /* 0x28 */
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{ 3, -1}, /* 0x29 */
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{-1, -3}, /* 0x2A */
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{ 1, 1}, /* 0x2B */
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{ 1, -1}, /* 0x2C */
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{-3, 1}, /* 0x2D */
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{ 1, 3}, /* 0x2E */
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{-1, -1}, /* 0x2F */
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{-5, 5}, /* 0x30 */
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{ 7, -5}, /* 0x31 */
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{-5, -7}, /* 0x32 */
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{ 5, 5}, /* 0x33 */
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{ 5, -5}, /* 0x34 */
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{-7, 5}, /* 0x35 */
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{ 5, 7}, /* 0x36 */
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{-5, -5}, /* 0x37 */
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{-5, -3}, /* 0x38 */
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{ 7, 3}, /* 0x39 */
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{ 3, -7}, /* 0x3A */
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{-3, 5}, /* 0x3B */
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{ 5, 3}, /* 0x3C */
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{-7, -3}, /* 0x3D */
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{-3, 7}, /* 0x3E */
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{ 3, -5} /* 0x3F */
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};
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#if defined(SPANDSP_USE_FIXED_POINTx)
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static const complexi16_t v17_9600_constellation[32] =
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#else
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static const complexf_t v17_9600_constellation[32] =
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#endif
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{
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{-8, 2}, /* 0x00 */
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{-6, -4}, /* 0x01 */
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{-4, 6}, /* 0x02 */
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{ 2, 8}, /* 0x03 */
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{ 8, -2}, /* 0x04 */
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{ 6, 4}, /* 0x05 */
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{ 4, -6}, /* 0x06 */
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{-2, -8}, /* 0x07 */
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{ 0, 2}, /* 0x08 */
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{-6, 4}, /* 0x09 */
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{ 4, 6}, /* 0x0A */
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{ 2, 0}, /* 0x0B */
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{ 0, -2}, /* 0x0C */
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{ 6, -4}, /* 0x0D */
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{-4, -6}, /* 0x0E */
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{-2, 0}, /* 0x0F */
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{ 0, -6}, /* 0x10 */
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{ 2, -4}, /* 0x11 */
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{-4, -2}, /* 0x12 */
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{-6, 0}, /* 0x13 */
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{ 0, 6}, /* 0x14 */
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{-2, 4}, /* 0x15 */
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{ 4, 2}, /* 0x16 */
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{ 6, 0}, /* 0x17 */
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{ 8, 2}, /* 0x18 */
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{ 2, 4}, /* 0x19 */
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{ 4, -2}, /* 0x1A */
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{ 2, -8}, /* 0x1B */
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{-8, -2}, /* 0x1C */
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{-2, -4}, /* 0x1D */
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{-4, 2}, /* 0x1E */
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{-2, 8} /* 0x1F */
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};
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#if defined(SPANDSP_USE_FIXED_POINTx)
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static const complexi16_t v17_7200_constellation[16] =
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#else
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static const complexf_t v17_7200_constellation[16] =
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#endif
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{
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{ 6, -6}, /* 0x00 */
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{-2, 6}, /* 0x01 */
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{ 6, 2}, /* 0x02 */
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{-6, -6}, /* 0x03 */
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{-6, 6}, /* 0x04 */
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{ 2, -6}, /* 0x05 */
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{-6, -2}, /* 0x06 */
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{ 6, 6}, /* 0x07 */
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{-2, 2}, /* 0x08 */
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{ 6, -2}, /* 0x09 */
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{-2, -6}, /* 0x0A */
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{ 2, 2}, /* 0x0B */
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{ 2, -2}, /* 0x0C */
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{-6, 2}, /* 0x0D */
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{ 2, 6}, /* 0x0E */
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{-2, -2} /* 0x0F */
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};
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/*- End of file ------------------------------------------------------------*/
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