FreeCalypso > hg > fc-tourmaline
annotate src/cs/layer1/gtt_include/ctm/init_interleaver.h @ 303:f76436d19a7a default tip
!GPRS config: fix long-standing AT+COPS chance hanging bug
There has been a long-standing bug in FreeCalypso going back years:
sometimes in the AT command bring-up sequence of an ACI-only MS,
the AT+COPS command would produce only a power scan followed by
cessation of protocol stack activity (only L1 ADC traces), instead
of the expected network search sequence. This behaviour was seen
in different FC firmware versions going back to Citrine, and seemed
to follow some law of chance, not reliably repeatable.
This bug has been tracked down and found to be specific to !GPRS
configuration, stemming from our TCS2/TCS3 hybrid and reconstruction
of !GPRS support that was bitrotten in TCS3.2/LoCosto version.
ACI module psa_mms.c, needed only for !GPRS, was missing in the TCS3
version and had to be pulled from TCS2 - but as it turns out,
there is a new field in the MMR_REG_REQ primitive that needs to be
set correctly, and that psa_mms.c module is the place where this
initialization needed to be added.
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 08 Jun 2023 08:23:37 +0000 |
parents | 4e78acac3d88 |
children |
rev | line source |
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0
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src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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1 /* |
4e78acac3d88
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2 ******************************************************************************* |
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3 * |
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4 * COPYRIGHT (C) 2000 BY ERICSSON EUROLAB DEUTSCHLAND GmbH |
4e78acac3d88
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5 * 90411 NUERNBERG, GERMANY, Tel Int + 49 911 5217 100 |
4e78acac3d88
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parents:
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6 * |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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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>
parents:
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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>
parents:
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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>
parents:
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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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parents:
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11 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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12 ******************************************************************************* |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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13 * |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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14 * File : init_interleaver.h |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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15 * Purpose : initialization of the diagonal (chain) interleaver; |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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16 * definition of the type interleaver_state_t |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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17 * |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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18 ******************************************************************************* |
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19 */ |
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20 #ifndef init_interleaver_h |
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21 #define init_interleaver_h "$Id: $" |
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22 |
4e78acac3d88
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parents:
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23 /* |
4e78acac3d88
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24 ******************************************************************************* |
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25 * INCLUDE FILES |
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26 ******************************************************************************* |
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parents:
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27 */ |
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parents:
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28 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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29 #include "ctm_typedefs.h" |
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30 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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31 /* |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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parents:
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32 ******************************************************************************* |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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33 * DECLARATION OF PROTOTYPES |
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34 ******************************************************************************* |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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35 */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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36 #if (TTY_SYNC_MCU == 1) |
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Mychaela Falconia <falcon@freecalypso.org>
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37 #define RESYNC_OFFSET 384 |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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38 #endif |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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39 |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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40 /* --------------------------------------------------------------------- */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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41 /* interleaver_state_t: */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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42 /* type definition for storing the states of the diag_interleaver and */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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43 /* diag_deinterleaver, respectively (each instance of */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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44 /* interleavers/deinterleavers must have its own variable of this type */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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45 /* --------------------------------------------------------------------- */ |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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46 |
4e78acac3d88
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47 typedef struct { |
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48 WORD16 B, D; /* dimensions of the (de)interleaver */ |
4e78acac3d88
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49 WORD16 rows; /* Number of rows in buffer */ |
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Mychaela Falconia <falcon@freecalypso.org>
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50 WORD16 clmn; /* actual index within the (de)interleaver matrix */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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51 WORD16 ready; /* Number of ready rows in (de)interleaver */ |
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52 WORD16 *vector; /* memory of the (de)interleaver */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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53 WORD16 num_sync_lines1;/* number of preceding lines in the interl. matrix*/ |
4e78acac3d88
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54 WORD16 num_sync_lines2;/* number of preceding lines in the interl. matrix*/ |
4e78acac3d88
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55 WORD16 num_sync_bits; /* number of sync bits (demodulator sync) */ |
4e78acac3d88
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56 WORD16 *sync_index_vec;/* indices of the bits for deintl. synchronization*/ |
4e78acac3d88
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57 WORD16 *scramble_vec; /* sequence for scrambling */ |
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58 WORD16 *sequence; /* m-sequence for synchronisation */ |
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59 |
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60 } interleaver_state_t; |
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61 |
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62 |
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63 /* --------------------------------------------------------------------- */ |
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64 /* init_interleaver: */ |
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65 /* function for initialization of diag_interleaver and */ |
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66 /* diag_deinterleaver, respectively. The dimensions of the interleaver */ |
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67 /* must be specified: */ |
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68 /* B = (horizontal) blocklength, D = (vertical distance) */ |
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69 /* According to this specifications, this function initializes a */ |
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70 /* variable of type interleaver_state_t. */ |
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71 /* */ |
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72 /* Additionally, this function adds two types of sync information to the */ |
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73 /* bitstream. The first sync info is for the demodulator and consists */ |
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74 /* of a sequence of alternating bits so that the tones produced by the */ |
4e78acac3d88
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75 /* modulator are not the same all the time. This is essential for the */ |
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76 /* demodulator to find the transitions between adjacent bits. The bits */ |
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77 /* for this demodulator synchronization simply precede the bitstream. */ |
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78 /* A good choice for this is e.g. num_sync_lines1=2, which results in */ |
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79 /* 14 additional bits in case of the (B=7, D=2) interleaver. */ |
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80 /* */ |
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81 /* The second sync info is for synchronizing the deinterleaver and */ |
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Mychaela Falconia <falcon@freecalypso.org>
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82 /* of a m-sequence with excellent autocorrelation properties. These bits */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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83 /* are positioned at the locations of the dummy bits, which are not used */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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84 /* by the interleaver. In addition, even more bits for this */ |
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85 /* can be spent by inserting additional sync bits, which precede the */ |
4e78acac3d88
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86 /* interleaver's bitstream. This is indicated by chosing */ |
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87 /* num_sync_lines2>0. */ |
4e78acac3d88
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88 /* */ |
4e78acac3d88
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89 /* Example: (B=7, D=2)-interleaver, */ |
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90 /* num_sync_lines1=2 (demodulator sync bits are marked by 'd') */ |
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91 /* num_sync_lines2=1 (deinterleaver sync bits are marked by 'x')*/ |
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Mychaela Falconia <falcon@freecalypso.org>
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92 /* */ |
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93 /* d d d d d d d */ |
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94 /* d d d d d d d */ |
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Mychaela Falconia <falcon@freecalypso.org>
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95 /* x x x x x x x */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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96 /* 1 x x x x x x */ |
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97 /* 8 x x x x x x */ |
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Mychaela Falconia <falcon@freecalypso.org>
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98 /* 15 2 x x x x x */ |
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Mychaela Falconia <falcon@freecalypso.org>
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99 /* 22 9 x x x x x */ |
4e78acac3d88
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100 /* 29 16 3 x x x x */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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101 /* 36 23 10 x x x x */ |
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102 /* 43 30 17 4 x x x */ |
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103 /* 50 37 24 11 x x x */ |
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104 /* 57 44 31 18 5 x x */ |
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105 /* 64 51 38 25 12 x x */ |
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src/{condat,cs,gpf,nucleus}: import from Selenite
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106 /* 71 58 45 32 19 6 x */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
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107 /* 78 65 52 39 26 13 x */ |
4e78acac3d88
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108 /* 85 72 59 46 33 20 7 */ |
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109 /* 92 79 66 53 40 27 14 */ |
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110 /* 99 86 73 60 47 34 21 */ |
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111 /* --------------------------------------------------------------------- */ |
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112 |
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113 void init_interleaver(interleaver_state_t *intl_state, |
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114 WORD16 B, WORD16 D, |
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115 WORD16 num_sync_lines1, WORD16 num_sync_lines2); |
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116 /* |
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117 *********************************************************************** |
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118 * Shutdown_interleaver() * |
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119 * ********************* * |
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120 * Deallocate dyamically created buffers. * |
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121 * * |
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122 * Input variables: * |
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123 * intl_state : pointer to a variable of interleaver_state_t * |
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124 * containing the interleaver state machine. * |
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125 *********************************************************************** |
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126 */ |
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127 void Shutdown_interleaver(interleaver_state_t *intl_state); |
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128 |
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129 /* --------------------------------------------------------------------- */ |
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130 /* reinit_interleaver: */ |
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131 /* Same as init_interleaver() but without new allocation of buffers. */ |
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132 /* This function shall be used for initiation each new burst. */ |
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133 /* --------------------------------------------------------------------- */ |
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134 |
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135 void reinit_interleaver(interleaver_state_t *intl_state); |
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136 |
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137 |
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138 void init_deinterleaver(interleaver_state_t *intl_state, |
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139 WORD16 B, WORD16 D); |
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140 |
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parents:
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141 /* |
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142 *********************************************************************** |
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parents:
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143 * Shutdown_deinterleaver() * |
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parents:
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144 * ************************ * |
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parents:
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145 * Deallocate dyamically created buffers. * |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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146 * * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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147 * Input variables: * |
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parents:
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148 * intl_state : pointer to a variable of interleaver_state_t * |
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parents:
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149 * containing the deinterleaver state machine. * |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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150 *********************************************************************** |
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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151 */ |
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parents:
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152 void Shutdown_deinterleaver(interleaver_state_t *intl_state); |
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153 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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154 void reinit_deinterleaver(interleaver_state_t *intl_state); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
155 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
156 /* --------------------------------------------------------------------- */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
157 /* calc_mute_positions: */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
158 /* Calculation of the indices of the bits that have to be muted within */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
159 /* one burst. The indices are returned in the vector mute_positions. */ |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
160 /* --------------------------------------------------------------------- */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
161 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
162 void calc_mute_positions(WORD16 *mute_positions, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
163 WORD16 num_rows_to_mute, |
4e78acac3d88
src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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164 WORD16 start_position, |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
165 WORD16 B, |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
166 WORD16 D); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
167 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
168 BOOL mutingRequired(WORD16 actualIndex, |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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169 WORD16 *mute_positions, |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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diff
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|
170 WORD16 length_mute_positions); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
171 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
172 /* --------------------------------------------------------------------- */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
173 /* generate_scrambling_sequence: */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
174 /* Generation of the sequence used for scrambling. The sequence consists */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
175 /* of 0 and 1 elements. The sequence is stored into the vector *sequence */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
176 /* and the length of the sequence is specified by the variable length. */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
177 /* --------------------------------------------------------------------- */ |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
178 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
179 void generate_scrambling_sequence(WORD16 *sequence, WORD16 length); |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
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|
180 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
181 #endif |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
182 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
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|
183 |
4e78acac3d88
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Mychaela Falconia <falcon@freecalypso.org>
parents:
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|
184 |