www.pudn.com > layer1.rar > l1gtt_const.h
/************* Revision Controle System Header *************
* GSM Layer 1 software
* L1GTT_CONST.C
*
* Filename l1gtt_const.h
* Copyright 2003 (C) Texas Instruments
*
************* Revision Controle System Header *************/
//----------------------------------------
// MCU<->DSP communication bit field.
//----------------------------------------
// NDB area
// bit in d_audio for tty features
#define B_GTT_START (TRUE_L << 4)
#define B_GTT_STOP (TRUE_L << 5)
//-------------------------------
// GTT background task status
//-------------------------------
#define GTT_ACTIVATED 1
#define GTT_IDLE 0
//----------------------------
// GTT DSP customizable values
//----------------------------
#define C_TTY_MOD_NORM 0x0080 // Sets the amplitude of the TTY modulator output
#define C_TTY_NUM_SAMPLES_STOP_BIT 0x0160 // Sets the number of Stop bits inserted by
// the Baudot Modulator after each character
#define C_CTM_DETECT_SHIFT 0x0000 // Shift of the threshold used for detection by the CTM estimator
#define C_CTM_MOD_NORM 0x80
#define C_CTM_MOD_0_50 0x40
#define C_CTM_MOD_0_75 0x60
#define C_CTM_MOD_0_25 0x20
#define C_TTY_OFFSET_NORM 0x0003C //60
#define C_TTY_THRES_START_BIT 0x00008 // 8
#define C_TTY_THRES_DIFF 0x008FC // 2300
#define C_TTY_DURA_START_DETECT 0x00046 // 70
#define C_TTY_START_BIT_THRES 0x0FEB8 // -328
//-------------------------
// FIFO constants
//-------------------------
// FIFO size
// Note: Practical size is equal to acutual size + 1.
#define FIFO_1_size 0x2 //2
#define FIFO_2_size 0x78 //120
#define FIFO_3_size 0x3C //60
#define FIFO_4_size 0x1C //28
// Header size
#define HEADER_size (sizeof(T_TTY_FIFO_struct)/2)
/***********************************************************************/
/* ___ * ___ */
/* @dsp 10BE | R | * @mcu FFD0117C | R | */
/* | W | * | W | */
/* | S | * | S | */
/* | L | * | L | */
/* | x | * | x | */
/* FIFO 1 | x | * | x | */
/* | x | * | x | */
/* | x | * | x | */
/* | x | * | x | */
/* | x | * | x | */
/* | x | * | x | */
/* | x | * | x | */
/* |___| * |___| */
/* ___ * ___ */
/* @dsp 10DF | R | * @mcu FFD011BE | R | */
/* | . | * | . | */
/* FIFO 2 | . | * FIFO 2 | . | */
/* |___| * |___| */
/* ___ * ___ */
/* @dsp 1120 | R | * @mcu FFD01240 | R | */
/* | . | * | . | */
/* FIFO 3 | . | * FIFO 3 | . | */
/* |___| * |___| */
/* ___ * ___ */
/* @dsp 1161 | R | * @mcu FFD012C2 | R | */
/* | . | * | . | */
/* FIFO 4 | . | * FIFO 4 | . | */
/* |___| * |___| */
/* * */
/***********************************************************************/
//FIFO @dress dsp
#if (DSP == 38) || (DSP == 39)
#define FIFO_3_dsp 0x1550 // corresponds to the speech recognition buffer
#elif (DSP == 37)
#define FIFO_3_dsp 0x1605 // corresponds to the speech recognition buffer
#else
#define FIFO_3_dsp 0x10BE // corresponds to the speech recognition buffer
#endif
#define FIFO_4_dsp (FIFO_3_dsp + HEADER_size + FIFO_3_size + 1)
#define FIFO_2_dsp (FIFO_4_dsp + HEADER_size + FIFO_4_size + 1)
#define FIFO_1_dsp (FIFO_2_dsp + HEADER_size + FIFO_2_size + 1)
//FIFO @dress mcu
#if (DSP == 38) || (DSP == 39)
#define FIFO_3_mcu 0xFFD01AA0 // corresponds to the speech recognition buffer
#elif (DSP == 37)
#define FIFO_3_mcu 0xFFD01C0A // corresponds to the speech recognition buffer
#else
#define FIFO_3_mcu 0xFFD0117C // corresponds to the speech recognition buffer
#endif
#define FIFO_4_mcu (FIFO_3_mcu + ((HEADER_size + FIFO_3_size + 1) * 2))
#define FIFO_2_mcu (FIFO_4_mcu + ((HEADER_size + FIFO_4_size + 1) * 2))
#define FIFO_1_mcu (FIFO_2_mcu + ((HEADER_size + FIFO_2_size + 1) * 2))
// Return status
#define TTY_FIFO_OK 0
#define TTY_FIFO_OVERFLOW 1
#define TTY_FIFO_UNDERFLOW 2
#define TTY_FIFO_WRONG_COMMAND 3
/* GTT Event group defines */
#define DATA_AVAIL_EVENT 0x00000001 // BIT_0
#define INIT_EVENT 0x00000002 // BIT_1
#define EXIT_EVENT 0x00000004 // BIT_2
#define DSP_API_START 0x800
/* constant definitions */
/* Time interval to check for incoming data, in ms */
#define TIME_INTERVAL_OF_INPUTS 120
/* Max number of CTM sample inputs */
#define MAX_CTM_SAMPLES_IN (TIME_INTERVAL_OF_INPUTS * 2)/5
/* Max number of Baudot sample inputs */
#define MAX_BAUDOT_SAMPLES_IN (TIME_INTERVAL_OF_INPUTS * 1)/5
/* Max number of TTY code from inputs */
#define MAX_TTY_CODE_IN (TIME_INTERVAL_OF_INPUTS / 176 + 2)
/* Max number of CTM sample outputs */
#define MAX_CTM_SAMPLES_OUT MAX_CTM_SAMPLES_IN
/* Max number of Baudot bits outputs */
#define MAX_BAUDOT_BITS_OUT 2*(MAX_TTY_CODE_IN)* 8
/* Number of processing cycles before the next Enquiry burst */
#define ENQUIRY_BURST_TIMEOUT (1320/5)
#define UWORD16_MAX 65535
#define WORD16_MAX 32767
#define WORD32_MAX 2147483647L
/* GTT loops for test: TST_CLOSE_GTT_LOOP_REQ message */
#define TTY_LOOP 0x0001 // Close TTY loop (TTY modulator -> TTY estimator)
#define CTM_LOOP 0x0002 // Close CTM loop (CTM samples : speech encoder -> speech decoder)
#if (L2_L3_SIMUL)
#define CTM_TX_INPUT 1 // input on CTM transmitter
#define TTY_ENC_INPUT 2 // input on Baudot encoder
#define CTM_RX_INPUT 3 // input on CTM receiver (simulation only)
#define TTY_DEC_INPUT 4 // input on Baudot decoder (simulation only)
#endif