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view src/cs/layer1/gtt_include/l1gtt_varex.h @ 51:04aaa5622fa7

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disable deep sleep when Iota LEDB is on TI's Iota chip docs say that CLK13M must be running in order for LEDB to work, and practical experience on Mot C139 which uses Iota LEDB for its keypad backlight concurs: if Calypso enters deep sleep while the keypad backlight is turned on, the light flickers visibly as the chipset goes into and out of deep sleep. TI's original L1 sleep manager code had logic to disable deep sleep when LT_Status() returns nonzero, but that function only works for B-Sample and C-Sample LT, always returns 0 on BOARD 41 - no check of Iota LEDB status anywhere. Change this code for our current hardware: disable deep sleep when Iota LEDB has been turned on through LLS.
author Mychaela Falconia <falcon@freecalypso.org>
date Mon, 19 Oct 2020 05:11:29 +0000
parents 4e78acac3d88
children
line wrap: on
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/************* Revision Controle System Header *************
 *                  GSM Layer 1 software 
 * L1GTT_VAREX.H
 *
 *        Filename %M%
 *  Copyright 2003 (C) Texas Instruments  
 *
 ************* Revision Controle System Header *************/


#if (L1_GTT == 1)

  #ifdef L1GTT_ASYNC_C
    // Every BUFFER are associated with a variable
    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;
    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 */
    WORD16        baudotOutTTYCodeFifoLength = 50;
    fifo_state_t  baudotOutTTYCodeFifoState;
    fifo_state_t  signalFifoState;
    fifo_state_t  ctmOutTTYCodeFifoState;
    fifo_state_t  baudotToCtmFifoState;
    fifo_state_t  ctmToBaudotFifoState;

    WORD16     cntFramesSinceBurstInit          = 0;
    WORD16     cntSamplesSinceLastBypassFromCTM = 0;
    WORD16     cntTransmittedEnquiries          = 0;
    BOOL       ctmFromFarEndDetected     = false;
    BOOL       ctmCharacterTransmitted   = false;
    BOOL       enquiryFromFarEndDetected = false;
    BOOL       ctmTransmitterIsIdle      = true;
    BOOL       earlyMutingRequired       = false;
    BOOL       transparentMode           = false;

    /* Used to keep track of time since last Enquiry burst. 
     * Currently 1 cycle == 120 ms */
    WORD16     cyclesSinceLastEnquiryBurst      = 0; 

    /* Stores the output from baudot encoder in downlink */
    fifo_state_t  baudotCodeFifoState;    
    /* Store the output from CTM transmitter in uplink */
    fifo_state_t  ctmCodeULFifoState;     

    WORD16 cntSamplesSinceEnquiryDetected = 0;

    /* Shared global buffers between L1S and l1gtt_main_processing. */
    fifo_state_t  global_ul;
    fifo_state_t  global_dl;

    int init_complete = 0;

    /* Array containing silence data for muting uplink bypass path. */
    WORD16 silence_data[]={0,0,0,0,0,0,0,0};

    /* Global flag to indicate that uplink bypass path is to be muted */
    int begin_ul_bypasspath_mute = 0;
    
    /* Counter for keeping track of amount of silence written to DSP task 2. */
    int silence_pad_time = 0;

  #else
    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