FreeCalypso > hg > fc-tourmaline

annotate src/cs/layer1/gtt_include/ctm/ctm_defines.h @ 275:79cfefc1e2b4

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audio mode load: gracefully handle mode files of wrong AEC version Unfortunately our change of enabling L1_NEW_AEC (which is necessary in order to bring our Calypso ARM fw into match with the underlying DSP reality) brings along a change in the audio mode file binary format and file size - all those new tunable AEC parameters do need to be stored somewhere, after all. But we already have existing mode files in the old format, and setting AEC config to garbage when loading old audio modes (which is what would happen without the present change) is not an appealing proposition. The solution implemented in the present change is as follows: the audio mode loading code checks the file size, and if it differs from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure is cleared - set to the default (disabled AEC) for the compiled type of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure sits at the end of T_AUDIO_MODE!
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 30 Jul 2021 02:55:48 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /*
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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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
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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8 * written permission from Ericsson or in accordance
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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9 * with the terms and conditions stipulated in the agreement or
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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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 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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14 * File : ctm_defines.h
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 * Purpose : Global constants for the Cellular Text Telephone Modem
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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16 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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17 *******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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18 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19 #ifndef ctm_defines_h
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20 #define ctm_defines_h "$Id: $"
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21
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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22 #ifndef MAX
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23 #define MAX(A, B) ((A) > (B) ? (A) : (B))
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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24 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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25
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 #define MAX_IDLE_SYMB 5 /* Number of Idle Symbols at End of Burst */
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27 #define CHC_RATE 4 /* Rate of the Error Protection */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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28 #define CHC_K 5 /* Constraint length of Error Protection */
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Mychaela Falconia <falcon@freecalypso.org>
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29 #define SYMB_LEN 40 /* Length of one CTM symbol */
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30
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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31 /* The following constant determines whether the signal processing takes */
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32 /* place sample-by-sample or frame-by-frame (160 samples per frame) */
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33 // #define LENGTH_TONE_VEC 160 /* signal frame size */
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34 #define LENGTH_TONE_VEC 1 /* signal frame size */
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35
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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36 /* Number of bits that are processed during each call of the main loop */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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37 //LN March 13, 2002
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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38 //#define LENGTH_TX_BITS MAX(2, 2*LENGTH_TONE_VEC/SYMB_LEN)
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39 #define LENGTH_TX_BITS 2
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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40 //LN
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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41
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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42 #define BITS_PER_SYMB 8 /* bits per symbol */
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Mychaela Falconia <falcon@freecalypso.org>
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43
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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44 #define NCYCLES_0 2 /* Number of periods for symbol #0 */
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Mychaela Falconia <falcon@freecalypso.org>
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45 #define NCYCLES_1 3 /* Number of periods for symbol #1 */
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46 #define NCYCLES_2 4 /* Number of periods for symbol #2 */
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Mychaela Falconia <falcon@freecalypso.org>
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47 #define NCYCLES_3 5 /* Number of periods for symbol #3 */
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48
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49 #define THRESHOLD_RELIABILITY_FOR_SUPPRESSING_OUTPUT 100
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Mychaela Falconia <falcon@freecalypso.org>
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50 #define THRESHOLD_RELIABILITY_FOR_XCORR 1
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Mychaela Falconia <falcon@freecalypso.org>
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51 #define THRESHOLD_RELIABILITY_FOR_GOING_OFFLINE 100
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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52 #define MAX_NUM_UNRELIABLE_GROSS_BITS 400
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Mychaela Falconia <falcon@freecalypso.org>
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53
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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54 #define NUM_BITS_GUARD_INTERVAL 6 /* length of silence after a burst */
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55
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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56 #define WAIT_SYNC_REL_THRESHOLD_0 20316 /* = 0.62*32768 */
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57 #define WAIT_SYNC_REL_THRESHOLD_1 17039 /* = 0.52*32768 */
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58 #define WAIT_SYNC_REL_THRESHOLD_2 23265 /* = 0.71*32768 */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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59 #define RESYNC_REL_THRESHOLD 26542 /* = 0.81*32768 */
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60
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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61 #define GUARD_BIT_SYMBOL 0 /* "magic number" indicating that a */
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62 // /* bit shall be muted */
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63
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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64 #define intlvB 8 /* Interleaver block length */
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65 #define intlvD 2 /* Interleaver block distance (interlace) */
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66
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67 #define demodSyncLns 1 /* Nr of demodulator sync lines */
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68 #define deintSyncLns 0 /* Nr of deinterleaver sync lines */
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69
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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70 #define IDLE_SYMB 0x16 /* UCS code for Idle Symbol */
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71 #define ENQU_SYMB 0x05 /* UCS code for Enquiry Symbol */
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72
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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73 #if LENGTH_TONE_VEC==160
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74 #define ENQUIRY_TIMEOUT 20 /* number of frames for negotiation */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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75 #else
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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76 #define ENQUIRY_TIMEOUT (1320/5) //19*160
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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77 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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78
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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79 #define NUM_ENQUIRY_BURSTS 3 /* number of enquiry attempts */
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80
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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81 #define NUM_MUTE_ROWS 4 /* duration of muting interval, 4 rows=80ms */
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82 #define RESYNC_SEQ_LENGTH 32 /* must be a multiple of intlvB */
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83
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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84 #define NUM_BITS_BETWEEN_RESYNC 352 // 352 = 320+32
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85 /* 352 is a multiple of CHC_RATE, intlvB, and BITS_PER_SYMB, */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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86 /* and must be greater than intlvB*((intlvB-1)*intlvD+NUM_MUTE_ROWS */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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87
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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88 #define SILENCE_PERIOD 32
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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89 #define EARLY_SILENCE_PERIOD SILENCE_PERIOD-2
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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90 #define LATE_SILENCE_PERIOD SILENCE_PERIOD+2
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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91 #define PLAYBACK_VOLUME 0xC000 /* volume for sound card playback */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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92
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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93 //#define DEBUG_OUTPUT /* comment this out for regular operation mode! */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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94
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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95 #endif