annotate src/cs/layer1/gtt_include/l1gtt_varex.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>
date Thu, 08 Jun 2023 08:23:37 +0000
parents 4e78acac3d88
children
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /************* Revision Controle System Header *************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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2 * GSM Layer 1 software
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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3 * L1GTT_VAREX.H
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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4 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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5 * Filename %M%
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 * Copyright 2003 (C) Texas Instruments
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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8 ************* Revision Controle System Header *************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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9
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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10
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 #if (L1_GTT == 1)
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12
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 #ifdef L1GTT_ASYNC_C
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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14 // Every BUFFER are associated with a variable
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 T_TTY_FIFO_struct *TTY_FIFO_1;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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16 T_TTY_FIFO_struct *TTY_FIFO_2;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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17 T_TTY_FIFO_struct *TTY_FIFO_3;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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18 T_TTY_FIFO_struct *TTY_FIFO_4;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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19
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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20 /* state variables for CTM transmitter and CTM receiver,respectively */
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21 tx_state_t tx_state;
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22 rx_state_t rx_state;
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23
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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24 /* State variables for the Baudot decoder and encoder,respectively. */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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25 baudot_decode_state_t baudot_decode_state;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 baudot_encode_state_t baudot_encode_state;
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27
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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28
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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29 /* Define fifo state variables */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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30 WORD16 baudotOutTTYCodeFifoLength = 50;
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31 fifo_state_t baudotOutTTYCodeFifoState;
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32 fifo_state_t signalFifoState;
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33 fifo_state_t ctmOutTTYCodeFifoState;
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34 fifo_state_t baudotToCtmFifoState;
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35 fifo_state_t ctmToBaudotFifoState;
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36
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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37 WORD16 cntFramesSinceBurstInit = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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38 WORD16 cntSamplesSinceLastBypassFromCTM = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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39 WORD16 cntTransmittedEnquiries = 0;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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40 BOOL ctmFromFarEndDetected = false;
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Mychaela Falconia <falcon@freecalypso.org>
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41 BOOL ctmCharacterTransmitted = false;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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42 BOOL enquiryFromFarEndDetected = false;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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43 BOOL ctmTransmitterIsIdle = true;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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44 BOOL earlyMutingRequired = false;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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45 BOOL transparentMode = false;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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46
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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47 /* Used to keep track of time since last Enquiry burst.
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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48 * Currently 1 cycle == 120 ms */
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Mychaela Falconia <falcon@freecalypso.org>
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49 WORD16 cyclesSinceLastEnquiryBurst = 0;
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50
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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51 /* Stores the output from baudot encoder in downlink */
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Mychaela Falconia <falcon@freecalypso.org>
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52 fifo_state_t baudotCodeFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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53 /* Store the output from CTM transmitter in uplink */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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54 fifo_state_t ctmCodeULFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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55
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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56 WORD16 cntSamplesSinceEnquiryDetected = 0;
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57
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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58 /* Shared global buffers between L1S and l1gtt_main_processing. */
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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59 fifo_state_t global_ul;
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Mychaela Falconia <falcon@freecalypso.org>
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60 fifo_state_t global_dl;
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61
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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62 int init_complete = 0;
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63
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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64 /* Array containing silence data for muting uplink bypass path. */
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Mychaela Falconia <falcon@freecalypso.org>
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65 WORD16 silence_data[]={0,0,0,0,0,0,0,0};
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66
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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67 /* Global flag to indicate that uplink bypass path is to be muted */
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Mychaela Falconia <falcon@freecalypso.org>
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68 int begin_ul_bypasspath_mute = 0;
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69
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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70 /* Counter for keeping track of amount of silence written to DSP task 2. */
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71 int silence_pad_time = 0;
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72
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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73 #else
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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74 extern T_TTY_FIFO_struct *TTY_FIFO_1;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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75 extern T_TTY_FIFO_struct *TTY_FIFO_2;
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76 extern T_TTY_FIFO_struct *TTY_FIFO_3;
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77 extern T_TTY_FIFO_struct *TTY_FIFO_4;
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78 extern tx_state_t tx_state;
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79 extern rx_state_t rx_state;
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80 extern baudot_decode_state_t baudot_decode_state;
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81 extern baudot_encode_state_t baudot_encode_state;
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82 extern WORD16 baudotOutTTYCodeFifoLength;
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83 extern fifo_state_t baudotOutTTYCodeFifoState;
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84 extern fifo_state_t signalFifoState;
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85 extern fifo_state_t ctmOutTTYCodeFifoState;
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86 extern fifo_state_t baudotToCtmFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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87 extern fifo_state_t ctmToBaudotFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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88 extern WORD16 cntFramesSinceBurstInit;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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89 extern WORD16 cntSamplesSinceLastBypassFromCTM;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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90 extern WORD16 cntTransmittedEnquiries;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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91 extern BOOL ctmFromFarEndDetected;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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92 extern BOOL ctmCharacterTransmitted;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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93 extern BOOL enquiryFromFarEndDetected;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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94 extern BOOL ctmTransmitterIsIdle;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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95 extern BOOL earlyMutingRequired;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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96 extern BOOL transparentMode;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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97 extern WORD16 cyclesSinceLastEnquiryBurst;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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98 extern fifo_state_t baudotCodeFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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99 extern fifo_state_t ctmCodeULFifoState;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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100 extern WORD16 cntSamplesSinceEnquiryDetected;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
parents:
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101 extern fifo_state_t global_ul;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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102 extern fifo_state_t global_dl;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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103 extern int init_complete;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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104 extern WORD16 silence_data[];
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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105 extern int begin_ul_bypasspath_mute;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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106 extern int silence_pad_time;
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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107 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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108
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
Mychaela Falconia <falcon@freecalypso.org>
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109 #endif