+
−/************* Revision Controle System Header *************
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− *                  GSM Layer 1 software 
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− * L1GTT_VAREX.H
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− *
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− *        Filename %M%
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− *  Copyright 2003 (C) Texas Instruments  
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− *
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− ************* Revision Controle System Header *************/
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−
+
−
+
−#if (L1_GTT == 1)
+
−
+
−  #ifdef L1GTT_ASYNC_C
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−    // Every BUFFER are associated with a variable
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−    T_TTY_FIFO_struct *TTY_FIFO_1;
+
−    T_TTY_FIFO_struct *TTY_FIFO_2;
+
−    T_TTY_FIFO_struct *TTY_FIFO_3;
+
−    T_TTY_FIFO_struct *TTY_FIFO_4;
+
−
+
−    /* state variables for CTM transmitter and CTM receiver,respectively */
+
−    tx_state_t   tx_state;
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−    rx_state_t   rx_state;
+
−  
+
−    /* State variables for the Baudot decoder and encoder,respectively. */
+
−    baudot_decode_state_t baudot_decode_state;
+
−    baudot_encode_state_t baudot_encode_state;
+
− 
+
− 
+
−    /* Define fifo state variables */
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−    WORD16        baudotOutTTYCodeFifoLength = 50;
+
−    fifo_state_t  baudotOutTTYCodeFifoState;
+
−    fifo_state_t  signalFifoState;
+
−    fifo_state_t  ctmOutTTYCodeFifoState;
+
−    fifo_state_t  baudotToCtmFifoState;
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−    fifo_state_t  ctmToBaudotFifoState;
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−
+
−    WORD16     cntFramesSinceBurstInit          = 0;
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−    WORD16     cntSamplesSinceLastBypassFromCTM = 0;
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−    WORD16     cntTransmittedEnquiries          = 0;
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−    BOOL       ctmFromFarEndDetected     = false;
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−    BOOL       ctmCharacterTransmitted   = false;
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−    BOOL       enquiryFromFarEndDetected = false;
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−    BOOL       ctmTransmitterIsIdle      = true;
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−    BOOL       earlyMutingRequired       = false;
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−    BOOL       transparentMode           = false;
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−
+
−    /* Used to keep track of time since last Enquiry burst. 
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−     * Currently 1 cycle == 120 ms */
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−    WORD16     cyclesSinceLastEnquiryBurst      = 0; 
+
−
+
−    /* Stores the output from baudot encoder in downlink */
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−    fifo_state_t  baudotCodeFifoState;    
+
−    /* Store the output from CTM transmitter in uplink */
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−    fifo_state_t  ctmCodeULFifoState;     
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−
+
−    WORD16 cntSamplesSinceEnquiryDetected = 0;
+
−
+
−    /* Shared global buffers between L1S and l1gtt_main_processing. */
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−    fifo_state_t  global_ul;
+
−    fifo_state_t  global_dl;
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−
+
−    int init_complete = 0;
+
−
+
−    /* Array containing silence data for muting uplink bypass path. */
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−    WORD16 silence_data[]={0,0,0,0,0,0,0,0};
+
−
+
−    /* Global flag to indicate that uplink bypass path is to be muted */
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−    int begin_ul_bypasspath_mute = 0;
+
−    
+
−    /* Counter for keeping track of amount of silence written to DSP task 2. */
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−    int silence_pad_time = 0;
+
−
+
−  #else
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−    extern T_TTY_FIFO_struct  *TTY_FIFO_1;
+
−    extern T_TTY_FIFO_struct  *TTY_FIFO_2;
+
−    extern T_TTY_FIFO_struct  *TTY_FIFO_3;
+
−    extern T_TTY_FIFO_struct  *TTY_FIFO_4;
+
−    extern tx_state_t    tx_state;
+
−    extern rx_state_t   rx_state;
+
−    extern baudot_decode_state_t baudot_decode_state;
+
−    extern baudot_encode_state_t baudot_encode_state;
+
−    extern WORD16        baudotOutTTYCodeFifoLength;
+
−    extern fifo_state_t  baudotOutTTYCodeFifoState;
+
−    extern fifo_state_t  signalFifoState;
+
−    extern fifo_state_t  ctmOutTTYCodeFifoState;
+
−    extern fifo_state_t  baudotToCtmFifoState;
+
−    extern fifo_state_t  ctmToBaudotFifoState;
+
−    extern WORD16     cntFramesSinceBurstInit;
+
−    extern WORD16     cntSamplesSinceLastBypassFromCTM;
+
−    extern WORD16     cntTransmittedEnquiries;
+
−    extern BOOL       ctmFromFarEndDetected;
+
−    extern BOOL       ctmCharacterTransmitted;
+
−    extern BOOL       enquiryFromFarEndDetected;
+
−    extern BOOL       ctmTransmitterIsIdle;
+
−    extern BOOL       earlyMutingRequired;
+
−    extern BOOL       transparentMode;
+
−    extern WORD16     cyclesSinceLastEnquiryBurst; 
+
−    extern fifo_state_t  baudotCodeFifoState;    
+
−    extern fifo_state_t  ctmCodeULFifoState;     
+
−    extern WORD16 cntSamplesSinceEnquiryDetected;
+
−    extern fifo_state_t  global_ul;
+
−    extern fifo_state_t  global_dl;
+
−    extern int init_complete;
+
−    extern WORD16 silence_data[];
+
−    extern int begin_ul_bypasspath_mute;
+
−    extern int silence_pad_time;
+
−  #endif
+
−
+
−#endif