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 
00028 #if defined(SPANDSP_USE_FIXED_POINTx)
00029 static const complexi16_t v17_v32bis_14400_constellation[128] =
00030 #else
00031 static const complexf_t v17_v32bis_14400_constellation[128] =
00032 #endif
00033 {
00034     {-8, -3},       /* 0x00 */
00035     { 9,  2},       /* 0x01 */
00036     { 2, -9},       /* 0x02 */
00037     {-3,  8},       /* 0x03 */
00038     { 8,  3},       /* 0x04 */
00039     {-9, -2},       /* 0x05 */
00040     {-2,  9},       /* 0x06 */
00041     { 3, -8},       /* 0x07 */
00042     {-8,  1},       /* 0x08 */
00043     { 9, -2},       /* 0x09 */
00044     {-2, -9},       /* 0x0A */
00045     { 1,  8},       /* 0x0B */
00046     { 8, -1},       /* 0x0C */
00047     {-9,  2},       /* 0x0D */
00048     { 2,  9},       /* 0x0E */
00049     {-1, -8},       /* 0x0F */
00050     {-4, -3},       /* 0x10 */
00051     { 5,  2},       /* 0x11 */
00052     { 2, -5},       /* 0x12 */
00053     {-3,  4},       /* 0x13 */
00054     { 4,  3},       /* 0x14 */
00055     {-5, -2},       /* 0x15 */
00056     {-2,  5},       /* 0x16 */
00057     { 3, -4},       /* 0x17 */
00058     {-4,  1},       /* 0x18 */
00059     { 5, -2},       /* 0x19 */
00060     {-2, -5},       /* 0x1A */
00061     { 1,  4},       /* 0x1B */
00062     { 4, -1},       /* 0x1C */
00063     {-5,  2},       /* 0x1D */
00064     { 2,  5},       /* 0x1E */
00065     {-1, -4},       /* 0x1F */
00066     { 4, -3},       /* 0x20 */
00067     {-3,  2},       /* 0x21 */
00068     { 2,  3},       /* 0x22 */
00069     {-3, -4},       /* 0x23 */
00070     {-4,  3},       /* 0x24 */
00071     { 3, -2},       /* 0x25 */
00072     {-2, -3},       /* 0x26 */
00073     { 3,  4},       /* 0x27 */
00074     { 4,  1},       /* 0x28 */
00075     {-3, -2},       /* 0x29 */
00076     {-2,  3},       /* 0x2A */
00077     { 1, -4},       /* 0x2B */
00078     {-4, -1},       /* 0x2C */
00079     { 3,  2},       /* 0x2D */
00080     { 2, -3},       /* 0x2E */
00081     {-1,  4},       /* 0x2F */
00082     { 0, -3},       /* 0x30 */
00083     { 1,  2},       /* 0x31 */
00084     { 2, -1},       /* 0x32 */
00085     {-3,  0},       /* 0x33 */
00086     { 0,  3},       /* 0x34 */
00087     {-1, -2},       /* 0x35 */
00088     {-2,  1},       /* 0x36 */
00089     { 3,  0},       /* 0x37 */
00090     { 0,  1},       /* 0x38 */
00091     { 1, -2},       /* 0x39 */
00092     {-2, -1},       /* 0x3A */
00093     { 1,  0},       /* 0x3B */
00094     { 0, -1},       /* 0x3C */
00095     {-1,  2},       /* 0x3D */
00096     { 2,  1},       /* 0x3E */
00097     {-1,  0},       /* 0x3F */
00098     { 8, -3},       /* 0x40 */
00099     {-7,  2},       /* 0x41 */
00100     { 2,  7},       /* 0x42 */
00101     {-3, -8},       /* 0x43 */
00102     {-8,  3},       /* 0x44 */
00103     { 7, -2},       /* 0x45 */
00104     {-2, -7},       /* 0x46 */
00105     { 3,  8},       /* 0x47 */
00106     { 8,  1},       /* 0x48 */
00107     {-7, -2},       /* 0x49 */
00108     {-2,  7},       /* 0x4A */
00109     { 1, -8},       /* 0x4B */
00110     {-8, -1},       /* 0x4C */
00111     { 7,  2},       /* 0x4D */
00112     { 2, -7},       /* 0x4E */
00113     {-1,  8},       /* 0x4F */
00114     {-4, -7},       /* 0x50 */
00115     { 5,  6},       /* 0x51 */
00116     { 6, -5},       /* 0x52 */
00117     {-7,  4},       /* 0x53 */
00118     { 4,  7},       /* 0x54 */
00119     {-5, -6},       /* 0x55 */
00120     {-6,  5},       /* 0x56 */
00121     { 7, -4},       /* 0x57 */
00122     {-4,  5},       /* 0x58 */
00123     { 5, -6},       /* 0x59 */
00124     {-6, -5},       /* 0x5A */
00125     { 5,  4},       /* 0x5B */
00126     { 4, -5},       /* 0x5C */
00127     {-5,  6},       /* 0x5D */
00128     { 6,  5},       /* 0x5E */
00129     {-5, -4},       /* 0x5F */
00130     { 4, -7},       /* 0x60 */
00131     {-3,  6},       /* 0x61 */
00132     { 6,  3},       /* 0x62 */
00133     {-7, -4},       /* 0x63 */
00134     {-4,  7},       /* 0x64 */
00135     { 3, -6},       /* 0x65 */
00136     {-6, -3},       /* 0x66 */
00137     { 7,  4},       /* 0x67 */
00138     { 4,  5},       /* 0x68 */
00139     {-3, -6},       /* 0x69 */
00140     {-6,  3},       /* 0x6A */
00141     { 5, -4},       /* 0x6B */
00142     {-4, -5},       /* 0x6C */
00143     { 3,  6},       /* 0x6D */
00144     { 6, -3},       /* 0x6E */
00145     {-5,  4},       /* 0x6F */
00146     { 0, -7},       /* 0x70 */
00147     { 1,  6},       /* 0x71 */
00148     { 6, -1},       /* 0x72 */
00149     {-7,  0},       /* 0x73 */
00150     { 0,  7},       /* 0x74 */
00151     {-1, -6},       /* 0x75 */
00152     {-6,  1},       /* 0x76 */
00153     { 7,  0},       /* 0x77 */
00154     { 0,  5},       /* 0x78 */
00155     { 1, -6},       /* 0x79 */
00156     {-6, -1},       /* 0x7A */
00157     { 5,  0},       /* 0x7B */
00158     { 0, -5},       /* 0x7C */
00159     {-1,  6},       /* 0x7D */
00160     { 6,  1},       /* 0x7E */
00161     {-5,  0}        /* 0x7F */
00162 };
00163 
00164 #if defined(SPANDSP_USE_FIXED_POINTx)
00165 static const complexi16_t v17_v32bis_12000_constellation[64] =
00166 #else
00167 static const complexf_t v17_v32bis_12000_constellation[64] =
00168 #endif
00169 {
00170     { 7,  1},       /* 0x00 */
00171     {-5, -1},       /* 0x01 */
00172     {-1,  5},       /* 0x02 */
00173     { 1, -7},       /* 0x03 */
00174     {-7, -1},       /* 0x04 */
00175     { 5,  1},       /* 0x05 */
00176     { 1, -5},       /* 0x06 */
00177     {-1,  7},       /* 0x07 */
00178     { 3, -3},       /* 0x08 */
00179     {-1,  3},       /* 0x09 */
00180     { 3,  1},       /* 0x0A */
00181     {-3, -3},       /* 0x0B */
00182     {-3,  3},       /* 0x0C */
00183     { 1, -3},       /* 0x0D */
00184     {-3, -1},       /* 0x0E */
00185     { 3,  3},       /* 0x0F */
00186     { 7, -7},       /* 0x10 */
00187     {-5,  7},       /* 0x11 */
00188     { 7,  5},       /* 0x12 */
00189     {-7, -7},       /* 0x13 */
00190     {-7,  7},       /* 0x14 */
00191     { 5, -7},       /* 0x15 */
00192     {-7, -5},       /* 0x16 */
00193     { 7,  7},       /* 0x17 */
00194     {-1, -7},       /* 0x18 */
00195     { 3,  7},       /* 0x19 */
00196     { 7, -3},       /* 0x1A */
00197     {-7,  1},       /* 0x1B */
00198     { 1,  7},       /* 0x1C */
00199     {-3, -7},       /* 0x1D */
00200     {-7,  3},       /* 0x1E */
00201     { 7, -1},       /* 0x1F */
00202     { 3,  5},       /* 0x20 */
00203     {-1, -5},       /* 0x21 */
00204     {-5,  1},       /* 0x22 */
00205     { 5, -3},       /* 0x23 */
00206     {-3, -5},       /* 0x24 */
00207     { 1,  5},       /* 0x25 */
00208     { 5, -1},       /* 0x26 */
00209     {-5,  3},       /* 0x27 */
00210     {-1,  1},       /* 0x28 */
00211     { 3, -1},       /* 0x29 */
00212     {-1, -3},       /* 0x2A */
00213     { 1,  1},       /* 0x2B */
00214     { 1, -1},       /* 0x2C */
00215     {-3,  1},       /* 0x2D */
00216     { 1,  3},       /* 0x2E */
00217     {-1, -1},       /* 0x2F */
00218     {-5,  5},       /* 0x30 */
00219     { 7, -5},       /* 0x31 */
00220     {-5, -7},       /* 0x32 */
00221     { 5,  5},       /* 0x33 */
00222     { 5, -5},       /* 0x34 */
00223     {-7,  5},       /* 0x35 */
00224     { 5,  7},       /* 0x36 */
00225     {-5, -5},       /* 0x37 */
00226     {-5, -3},       /* 0x38 */
00227     { 7,  3},       /* 0x39 */
00228     { 3, -7},       /* 0x3A */
00229     {-3,  5},       /* 0x3B */
00230     { 5,  3},       /* 0x3C */
00231     {-7, -3},       /* 0x3D */
00232     {-3,  7},       /* 0x3E */
00233     { 3, -5}        /* 0x3F */
00234 };
00235 
00236 #if defined(SPANDSP_USE_FIXED_POINTx)
00237 static const complexi16_t v17_v32bis_9600_constellation[32] =
00238 #else
00239 static const complexf_t v17_v32bis_9600_constellation[32] =
00240 #endif
00241 {
00242     {-8,  2},       /* 0x00 */
00243     {-6, -4},       /* 0x01 */
00244     {-4,  6},       /* 0x02 */
00245     { 2,  8},       /* 0x03 */
00246     { 8, -2},       /* 0x04 */
00247     { 6,  4},       /* 0x05 */
00248     { 4, -6},       /* 0x06 */
00249     {-2, -8},       /* 0x07 */
00250     { 0,  2},       /* 0x08 */
00251     {-6,  4},       /* 0x09 */
00252     { 4,  6},       /* 0x0A */
00253     { 2,  0},       /* 0x0B */
00254     { 0, -2},       /* 0x0C */
00255     { 6, -4},       /* 0x0D */
00256     {-4, -6},       /* 0x0E */
00257     {-2,  0},       /* 0x0F */
00258     { 0, -6},       /* 0x10 */
00259     { 2, -4},       /* 0x11 */
00260     {-4, -2},       /* 0x12 */
00261     {-6,  0},       /* 0x13 */
00262     { 0,  6},       /* 0x14 */
00263     {-2,  4},       /* 0x15 */
00264     { 4,  2},       /* 0x16 */
00265     { 6,  0},       /* 0x17 */
00266     { 8,  2},       /* 0x18 */
00267     { 2,  4},       /* 0x19 */
00268     { 4, -2},       /* 0x1A */
00269     { 2, -8},       /* 0x1B */
00270     {-8, -2},       /* 0x1C */
00271     {-2, -4},       /* 0x1D */
00272     {-4,  2},       /* 0x1E */
00273     {-2,  8}        /* 0x1F */
00274 };
00275 
00276 #if defined(SPANDSP_USE_FIXED_POINTx)
00277 static const complexi16_t v17_v32bis_7200_constellation[16] =
00278 #else
00279 static const complexf_t v17_v32bis_7200_constellation[16] =
00280 #endif
00281 {
00282     { 6, -6},       /* 0x00 */
00283     {-2,  6},       /* 0x01 */
00284     { 6,  2},       /* 0x02 */
00285     {-6, -6},       /* 0x03 */
00286     {-6,  6},       /* 0x04 */
00287     { 2, -6},       /* 0x05 */
00288     {-6, -2},       /* 0x06 */
00289     { 6,  6},       /* 0x07 */
00290     {-2,  2},       /* 0x08 */
00291     { 6, -2},       /* 0x09 */
00292     {-2, -6},       /* 0x0A */
00293     { 2,  2},       /* 0x0B */
00294     { 2, -2},       /* 0x0C */
00295     {-6,  2},       /* 0x0D */
00296     { 2,  6},       /* 0x0E */
00297     {-2, -2}        /* 0x0F */
00298 };
00299 
00300 /* This one does not exist in V.17 as a data constellation. It is only
00301    the equaliser training constellation. In V.32/V.32bis it is a data mode. */
00302 #if defined(SPANDSP_USE_FIXED_POINTx)
00303 static const complexi16_t v17_v32bis_4800_constellation[4] =
00304 #else
00305 static const complexf_t v17_v32bis_4800_constellation[4] =
00306 #endif
00307 {
00308     {-6, -2},       /* 0x00 */
00309     {-2,  6},       /* 0x01 */
00310     { 2, -6},       /* 0x02 */
00311     { 6,  2}        /* 0x03 */
00312 };
00313 
00314 #if defined(SPANDSP_USE_FIXED_POINTx)
00315 static const complexi16_t v17_v32bis_abcd_constellation[4] =
00316 #else
00317 static const complexf_t v17_v32bis_abcd_constellation[4] =
00318 #endif
00319 {
00320     {-6, -2},       /* A */
00321     { 2, -6},       /* B */
00322     { 6,  2},       /* C */
00323     {-2,  6}        /* D */
00324 };
00325 
00326 /*- End of file ------------------------------------------------------------*/

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