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annotate src/cs/layer1/gtt_include/l1gtt_varex.h @ 208:ab79cf3c29a5

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AT-over-RVTMUX mechanism ported over to the TCS3.2 version of ACI
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 14 Oct 2016 17:15:08 +0000
parents 945cf7f506b2
children
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1 /************* Revision Controle System Header *************
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2 * GSM Layer 1 software
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3 * L1GTT_VAREX.H
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4 *
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5 * Filename %M%
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6 * Copyright 2003 (C) Texas Instruments
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7 *
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8 ************* Revision Controle System Header *************/
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11 #if (L1_GTT == 1)
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12
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13 #ifdef L1GTT_ASYNC_C
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14 // Every BUFFER are associated with a variable
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15 T_TTY_FIFO_struct *TTY_FIFO_1;
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16 T_TTY_FIFO_struct *TTY_FIFO_2;
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17 T_TTY_FIFO_struct *TTY_FIFO_3;
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18 T_TTY_FIFO_struct *TTY_FIFO_4;
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19
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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
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24 /* State variables for the Baudot decoder and encoder,respectively. */
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25 baudot_decode_state_t baudot_decode_state;
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26 baudot_encode_state_t baudot_encode_state;
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28
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29 /* Define fifo state variables */
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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
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37 WORD16 cntFramesSinceBurstInit = 0;
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38 WORD16 cntSamplesSinceLastBypassFromCTM = 0;
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39 WORD16 cntTransmittedEnquiries = 0;
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40 BOOL ctmFromFarEndDetected = false;
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41 BOOL ctmCharacterTransmitted = false;
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42 BOOL enquiryFromFarEndDetected = false;
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43 BOOL ctmTransmitterIsIdle = true;
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44 BOOL earlyMutingRequired = false;
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45 BOOL transparentMode = false;
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46
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47 /* Used to keep track of time since last Enquiry burst.
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48 * Currently 1 cycle == 120 ms */
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49 WORD16 cyclesSinceLastEnquiryBurst = 0;
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50
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51 /* Stores the output from baudot encoder in downlink */
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52 fifo_state_t baudotCodeFifoState;
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53 /* Store the output from CTM transmitter in uplink */
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54 fifo_state_t ctmCodeULFifoState;
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55
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56 WORD16 cntSamplesSinceEnquiryDetected = 0;
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57
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58 /* Shared global buffers between L1S and l1gtt_main_processing. */
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59 fifo_state_t global_ul;
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60 fifo_state_t global_dl;
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61
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62 int init_complete = 0;
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63
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64 /* Array containing silence data for muting uplink bypass path. */
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65 WORD16 silence_data[]={0,0,0,0,0,0,0,0};
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66
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67 /* Global flag to indicate that uplink bypass path is to be muted */
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68 int begin_ul_bypasspath_mute = 0;
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69
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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
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73 #else
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74 extern T_TTY_FIFO_struct *TTY_FIFO_1;
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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;
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87 extern fifo_state_t ctmToBaudotFifoState;
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88 extern WORD16 cntFramesSinceBurstInit;
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89 extern WORD16 cntSamplesSinceLastBypassFromCTM;
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90 extern WORD16 cntTransmittedEnquiries;
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91 extern BOOL ctmFromFarEndDetected;
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92 extern BOOL ctmCharacterTransmitted;
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93 extern BOOL enquiryFromFarEndDetected;
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94 extern BOOL ctmTransmitterIsIdle;
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95 extern BOOL earlyMutingRequired;
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96 extern BOOL transparentMode;
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97 extern WORD16 cyclesSinceLastEnquiryBurst;
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98 extern fifo_state_t baudotCodeFifoState;
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99 extern fifo_state_t ctmCodeULFifoState;
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100 extern WORD16 cntSamplesSinceEnquiryDetected;
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101 extern fifo_state_t global_ul;
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102 extern fifo_state_t global_dl;
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103 extern int init_complete;
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104 extern WORD16 silence_data[];
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105 extern int begin_ul_bypasspath_mute;
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106 extern int silence_pad_time;
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107 #endif
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108
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109 #endif