v17_v32bis_tx_constellation_maps.h

00001 /*
00002  * SpanDSP - a series of DSP components for telephony
00003  *
00004  * v17_v32bis_tx_constellation_maps.h - ITU V.17 and V.32bis modems
00005  *                                      transmit part.
00006  *                                      Constellation mapping.
00007  *
00008  * Written by Steve Underwood <steveu@coppice.org>
00009  *
00010  * Copyright (C) 2004 Steve Underwood
00011  *
00012  * All rights reserved.
00013  *
00014  * This program is free software; you can redistribute it and/or modify
00015  * it under the terms of the GNU Lesser General Public License version 2.1,
00016  * as published by the Free Software Foundation.
00017  *
00018  * This program is distributed in the hope that it will be useful,
00019  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00020  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00021  * GNU Lesser General Public License for more details.
00022  *
00023  * You should have received a copy of the GNU Lesser General Public
00024  * License along with this program; if not, write to the Free Software
00025  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00026  *
00027  * $Id: v17_v32bis_tx_constellation_maps.h,v 1.1.4.1 2009/12/24 16:52:30 steveu Exp $
00028  */
00029 
00030 #if defined(SPANDSP_USE_FIXED_POINTx)
00031 static const complexi16_t v17_v32bis_14400_constellation[128] =
00032 #else
00033 static const complexf_t v17_v32bis_14400_constellation[128] =
00034 #endif
00035 {
00036     {-8, -3},       /* 0x00 */
00037     { 9,  2},       /* 0x01 */
00038     { 2, -9},       /* 0x02 */
00039     {-3,  8},       /* 0x03 */
00040     { 8,  3},       /* 0x04 */
00041     {-9, -2},       /* 0x05 */
00042     {-2,  9},       /* 0x06 */
00043     { 3, -8},       /* 0x07 */
00044     {-8,  1},       /* 0x08 */
00045     { 9, -2},       /* 0x09 */
00046     {-2, -9},       /* 0x0A */
00047     { 1,  8},       /* 0x0B */
00048     { 8, -1},       /* 0x0C */
00049     {-9,  2},       /* 0x0D */
00050     { 2,  9},       /* 0x0E */
00051     {-1, -8},       /* 0x0F */
00052     {-4, -3},       /* 0x10 */
00053     { 5,  2},       /* 0x11 */
00054     { 2, -5},       /* 0x12 */
00055     {-3,  4},       /* 0x13 */
00056     { 4,  3},       /* 0x14 */
00057     {-5, -2},       /* 0x15 */
00058     {-2,  5},       /* 0x16 */
00059     { 3, -4},       /* 0x17 */
00060     {-4,  1},       /* 0x18 */
00061     { 5, -2},       /* 0x19 */
00062     {-2, -5},       /* 0x1A */
00063     { 1,  4},       /* 0x1B */
00064     { 4, -1},       /* 0x1C */
00065     {-5,  2},       /* 0x1D */
00066     { 2,  5},       /* 0x1E */
00067     {-1, -4},       /* 0x1F */
00068     { 4, -3},       /* 0x20 */
00069     {-3,  2},       /* 0x21 */
00070     { 2,  3},       /* 0x22 */
00071     {-3, -4},       /* 0x23 */
00072     {-4,  3},       /* 0x24 */
00073     { 3, -2},       /* 0x25 */
00074     {-2, -3},       /* 0x26 */
00075     { 3,  4},       /* 0x27 */
00076     { 4,  1},       /* 0x28 */
00077     {-3, -2},       /* 0x29 */
00078     {-2,  3},       /* 0x2A */
00079     { 1, -4},       /* 0x2B */
00080     {-4, -1},       /* 0x2C */
00081     { 3,  2},       /* 0x2D */
00082     { 2, -3},       /* 0x2E */
00083     {-1,  4},       /* 0x2F */
00084     { 0, -3},       /* 0x30 */
00085     { 1,  2},       /* 0x31 */
00086     { 2, -1},       /* 0x32 */
00087     {-3,  0},       /* 0x33 */
00088     { 0,  3},       /* 0x34 */
00089     {-1, -2},       /* 0x35 */
00090     {-2,  1},       /* 0x36 */
00091     { 3,  0},       /* 0x37 */
00092     { 0,  1},       /* 0x38 */
00093     { 1, -2},       /* 0x39 */
00094     {-2, -1},       /* 0x3A */
00095     { 1,  0},       /* 0x3B */
00096     { 0, -1},       /* 0x3C */
00097     {-1,  2},       /* 0x3D */
00098     { 2,  1},       /* 0x3E */
00099     {-1,  0},       /* 0x3F */
00100     { 8, -3},       /* 0x40 */
00101     {-7,  2},       /* 0x41 */
00102     { 2,  7},       /* 0x42 */
00103     {-3, -8},       /* 0x43 */
00104     {-8,  3},       /* 0x44 */
00105     { 7, -2},       /* 0x45 */
00106     {-2, -7},       /* 0x46 */
00107     { 3,  8},       /* 0x47 */
00108     { 8,  1},       /* 0x48 */
00109     {-7, -2},       /* 0x49 */
00110     {-2,  7},       /* 0x4A */
00111     { 1, -8},       /* 0x4B */
00112     {-8, -1},       /* 0x4C */
00113     { 7,  2},       /* 0x4D */
00114     { 2, -7},       /* 0x4E */
00115     {-1,  8},       /* 0x4F */
00116     {-4, -7},       /* 0x50 */
00117     { 5,  6},       /* 0x51 */
00118     { 6, -5},       /* 0x52 */
00119     {-7,  4},       /* 0x53 */
00120     { 4,  7},       /* 0x54 */
00121     {-5, -6},       /* 0x55 */
00122     {-6,  5},       /* 0x56 */
00123     { 7, -4},       /* 0x57 */
00124     {-4,  5},       /* 0x58 */
00125     { 5, -6},       /* 0x59 */
00126     {-6, -5},       /* 0x5A */
00127     { 5,  4},       /* 0x5B */
00128     { 4, -5},       /* 0x5C */
00129     {-5,  6},       /* 0x5D */
00130     { 6,  5},       /* 0x5E */
00131     {-5, -4},       /* 0x5F */
00132     { 4, -7},       /* 0x60 */
00133     {-3,  6},       /* 0x61 */
00134     { 6,  3},       /* 0x62 */
00135     {-7, -4},       /* 0x63 */
00136     {-4,  7},       /* 0x64 */
00137     { 3, -6},       /* 0x65 */
00138     {-6, -3},       /* 0x66 */
00139     { 7,  4},       /* 0x67 */
00140     { 4,  5},       /* 0x68 */
00141     {-3, -6},       /* 0x69 */
00142     {-6,  3},       /* 0x6A */
00143     { 5, -4},       /* 0x6B */
00144     {-4, -5},       /* 0x6C */
00145     { 3,  6},       /* 0x6D */
00146     { 6, -3},       /* 0x6E */
00147     {-5,  4},       /* 0x6F */
00148     { 0, -7},       /* 0x70 */
00149     { 1,  6},       /* 0x71 */
00150     { 6, -1},       /* 0x72 */
00151     {-7,  0},       /* 0x73 */
00152     { 0,  7},       /* 0x74 */
00153     {-1, -6},       /* 0x75 */
00154     {-6,  1},       /* 0x76 */
00155     { 7,  0},       /* 0x77 */
00156     { 0,  5},       /* 0x78 */
00157     { 1, -6},       /* 0x79 */
00158     {-6, -1},       /* 0x7A */
00159     { 5,  0},       /* 0x7B */
00160     { 0, -5},       /* 0x7C */
00161     {-1,  6},       /* 0x7D */
00162     { 6,  1},       /* 0x7E */
00163     {-5,  0}        /* 0x7F */
00164 };
00165 
00166 #if defined(SPANDSP_USE_FIXED_POINTx)
00167 static const complexi16_t v17_v32bis_12000_constellation[64] =
00168 #else
00169 static const complexf_t v17_v32bis_12000_constellation[64] =
00170 #endif
00171 {
00172     { 7,  1},       /* 0x00 */
00173     {-5, -1},       /* 0x01 */
00174     {-1,  5},       /* 0x02 */
00175     { 1, -7},       /* 0x03 */
00176     {-7, -1},       /* 0x04 */
00177     { 5,  1},       /* 0x05 */
00178     { 1, -5},       /* 0x06 */
00179     {-1,  7},       /* 0x07 */
00180     { 3, -3},       /* 0x08 */
00181     {-1,  3},       /* 0x09 */
00182     { 3,  1},       /* 0x0A */
00183     {-3, -3},       /* 0x0B */
00184     {-3,  3},       /* 0x0C */
00185     { 1, -3},       /* 0x0D */
00186     {-3, -1},       /* 0x0E */
00187     { 3,  3},       /* 0x0F */
00188     { 7, -7},       /* 0x10 */
00189     {-5,  7},       /* 0x11 */
00190     { 7,  5},       /* 0x12 */
00191     {-7, -7},       /* 0x13 */
00192     {-7,  7},       /* 0x14 */
00193     { 5, -7},       /* 0x15 */
00194     {-7, -5},       /* 0x16 */
00195     { 7,  7},       /* 0x17 */
00196     {-1, -7},       /* 0x18 */
00197     { 3,  7},       /* 0x19 */
00198     { 7, -3},       /* 0x1A */
00199     {-7,  1},       /* 0x1B */
00200     { 1,  7},       /* 0x1C */
00201     {-3, -7},       /* 0x1D */
00202     {-7,  3},       /* 0x1E */
00203     { 7, -1},       /* 0x1F */
00204     { 3,  5},       /* 0x20 */
00205     {-1, -5},       /* 0x21 */
00206     {-5,  1},       /* 0x22 */
00207     { 5, -3},       /* 0x23 */
00208     {-3, -5},       /* 0x24 */
00209     { 1,  5},       /* 0x25 */
00210     { 5, -1},       /* 0x26 */
00211     {-5,  3},       /* 0x27 */
00212     {-1,  1},       /* 0x28 */
00213     { 3, -1},       /* 0x29 */
00214     {-1, -3},       /* 0x2A */
00215     { 1,  1},       /* 0x2B */
00216     { 1, -1},       /* 0x2C */
00217     {-3,  1},       /* 0x2D */
00218     { 1,  3},       /* 0x2E */
00219     {-1, -1},       /* 0x2F */
00220     {-5,  5},       /* 0x30 */
00221     { 7, -5},       /* 0x31 */
00222     {-5, -7},       /* 0x32 */
00223     { 5,  5},       /* 0x33 */
00224     { 5, -5},       /* 0x34 */
00225     {-7,  5},       /* 0x35 */
00226     { 5,  7},       /* 0x36 */
00227     {-5, -5},       /* 0x37 */
00228     {-5, -3},       /* 0x38 */
00229     { 7,  3},       /* 0x39 */
00230     { 3, -7},       /* 0x3A */
00231     {-3,  5},       /* 0x3B */
00232     { 5,  3},       /* 0x3C */
00233     {-7, -3},       /* 0x3D */
00234     {-3,  7},       /* 0x3E */
00235     { 3, -5}        /* 0x3F */
00236 };
00237 
00238 #if defined(SPANDSP_USE_FIXED_POINTx)
00239 static const complexi16_t v17_v32bis_9600_constellation[32] =
00240 #else
00241 static const complexf_t v17_v32bis_9600_constellation[32] =
00242 #endif
00243 {
00244     {-8,  2},       /* 0x00 */
00245     {-6, -4},       /* 0x01 */
00246     {-4,  6},       /* 0x02 */
00247     { 2,  8},       /* 0x03 */
00248     { 8, -2},       /* 0x04 */
00249     { 6,  4},       /* 0x05 */
00250     { 4, -6},       /* 0x06 */
00251     {-2, -8},       /* 0x07 */
00252     { 0,  2},       /* 0x08 */
00253     {-6,  4},       /* 0x09 */
00254     { 4,  6},       /* 0x0A */
00255     { 2,  0},       /* 0x0B */
00256     { 0, -2},       /* 0x0C */
00257     { 6, -4},       /* 0x0D */
00258     {-4, -6},       /* 0x0E */
00259     {-2,  0},       /* 0x0F */
00260     { 0, -6},       /* 0x10 */
00261     { 2, -4},       /* 0x11 */
00262     {-4, -2},       /* 0x12 */
00263     {-6,  0},       /* 0x13 */
00264     { 0,  6},       /* 0x14 */
00265     {-2,  4},       /* 0x15 */
00266     { 4,  2},       /* 0x16 */
00267     { 6,  0},       /* 0x17 */
00268     { 8,  2},       /* 0x18 */
00269     { 2,  4},       /* 0x19 */
00270     { 4, -2},       /* 0x1A */
00271     { 2, -8},       /* 0x1B */
00272     {-8, -2},       /* 0x1C */
00273     {-2, -4},       /* 0x1D */
00274     {-4,  2},       /* 0x1E */
00275     {-2,  8}        /* 0x1F */
00276 };
00277 
00278 #if defined(SPANDSP_USE_FIXED_POINTx)
00279 static const complexi16_t v17_v32bis_7200_constellation[16] =
00280 #else
00281 static const complexf_t v17_v32bis_7200_constellation[16] =
00282 #endif
00283 {
00284     { 6, -6},       /* 0x00 */
00285     {-2,  6},       /* 0x01 */
00286     { 6,  2},       /* 0x02 */
00287     {-6, -6},       /* 0x03 */
00288     {-6,  6},       /* 0x04 */
00289     { 2, -6},       /* 0x05 */
00290     {-6, -2},       /* 0x06 */
00291     { 6,  6},       /* 0x07 */
00292     {-2,  2},       /* 0x08 */
00293     { 6, -2},       /* 0x09 */
00294     {-2, -6},       /* 0x0A */
00295     { 2,  2},       /* 0x0B */
00296     { 2, -2},       /* 0x0C */
00297     {-6,  2},       /* 0x0D */
00298     { 2,  6},       /* 0x0E */
00299     {-2, -2}        /* 0x0F */
00300 };
00301 
00302 /* This one does not exist in V.17 as a data constellation. It is only
00303    the equaliser training constellation. In V.32/V.32bis it is a data mode. */
00304 #if defined(SPANDSP_USE_FIXED_POINTx)
00305 static const complexi16_t v17_v32bis_4800_constellation[4] =
00306 #else
00307 static const complexf_t v17_v32bis_4800_constellation[4] =
00308 #endif
00309 {
00310     {-6, -2},       /* 0x00 */
00311     {-2,  6},       /* 0x01 */
00312     { 2, -6},       /* 0x02 */
00313     { 6,  2}        /* 0x03 */
00314 };
00315 
00316 #if defined(SPANDSP_USE_FIXED_POINTx)
00317 static const complexi16_t v17_v32bis_abcd_constellation[4] =
00318 #else
00319 static const complexf_t v17_v32bis_abcd_constellation[4] =
00320 #endif
00321 {
00322     {-6, -2},       /* A */
00323     { 2, -6},       /* B */
00324     { 6,  2},       /* C */
00325     {-2,  6}        /* D */
00326 };
00327 
00328 /*- End of file ------------------------------------------------------------*/