diff options
Diffstat (limited to 'data/mnet/GP10/Dsp/bbdataproc/include/bbtypes.h')
| -rw-r--r-- | data/mnet/GP10/Dsp/bbdataproc/include/bbtypes.h | 358 |
1 files changed, 358 insertions, 0 deletions
diff --git a/data/mnet/GP10/Dsp/bbdataproc/include/bbtypes.h b/data/mnet/GP10/Dsp/bbdataproc/include/bbtypes.h new file mode 100644 index 0000000..ce0df3f --- /dev/null +++ b/data/mnet/GP10/Dsp/bbdataproc/include/bbtypes.h @@ -0,0 +1,358 @@ +/****************************************************************************
+* (c) Copyright Cisco 2000
+* All Rights Reserved
+*****************************************************************************/
+/****************************************************************************
+* File: bbtypes.h
+*
+* Description:
+* This file contains defined constants, enumerations and type definitions
+* of shared items in support of the Layer 1 Baseband Processing routines.
+* An item is included in this header file if it is used by multiple
+* baseband processing functions.
+*
+*****************************************************************************/
+#ifndef _BBYTPES_H
+#define _BBYTPES_H
+
+#include "gsmtypes.h"
+
+#define MAX_SOFT_DECISION 8
+#define MODULO_2_MASK 0x0001
+#define MODULO_4_MASK 0x0003
+#define MODULO_8_MASK 0x0007
+
+/*
+* Define bit lengths for each burst type including
+* training sequence length, number of encrypted bits, etc...
+*
+*
+* Normal Burst
+* -----------------------------------------------------------
+* |TB=3| DATA = 58 | TSEQ = 26 | DATA = 58 |TB=3|GP=8.25|
+* -----------------------------------------------------------
+*
+* Access Burst
+* -----------------------------------------------------------
+* |TB=8| TSEQ = 41 | DATA = 36 |TB=3| GP=68.25 |
+* -----------------------------------------------------------
+*
+* Sync Burst
+* -----------------------------------------------------------
+* |TB=3| DATA = 39| TSEQ = 64 | DATA = 39 |TB=3|GP=8.25|
+* -----------------------------------------------------------
+*
+*/
+#define NB_NUM_ENCRYPT_BITS_PER_BURST 116
+#define NB_NUM_ENCRYPT_BITS_PER_SIDE (NB_NUM_ENCRYPT_BITS_PER_BURST/2)
+#define NB_NUM_ENCRYPT_WORDS (NB_NUM_ENCRYPT_BITS_PER_BURST/16 + 1)
+#define NB_TRAIN_SIZE 26
+#define NB_NUM_TRAIN_SEQ 8
+
+#define SB_NUM_ENCRYPT_BITS_PER_BURST 78
+#define SB_NUM_ENCRYPT_BITS_PER_SIDE (SB_NUM_ENCRYPT_BITS_PER_BURST/2)
+#define SB_TRAIN_SIZE 64
+
+#define AB_NUM_ENCRYPT_BITS_PER_BURST 36
+#define AB_TRAIN_SIZE 41
+
+#define DB_NUM_MIXED_BITS 142
+#define FB_NUM_FIXED_BITS 142
+
+#define MAX_NUM_ENCRYPT_BITS_PER_BURST (NB_NUM_ENCRYPT_BITS_PER_BURST)
+#define MAX_NUM_ENCRYPT_BITS_PER_SIDE (NB_NUM_ENCRYPT_BITS_PER_SIDE)
+#define MAX_TSEQ_SIZE (SB_TRAIN_SIZE)
+
+#define NB_NUM_TAIL_BITS 3
+#define SB_NUM_TAIL_BITS 3
+#define AB_NUM_TAIL_BITS 8
+
+#define BURST_SIZE_DL 625/2 + 1
+
+#define NUM_BURSTS_PER_CCH_BLOCK 4
+#define NUM_BURSTS_PER_TCH_BLOCK 8
+
+#define NORMAL_BURST 0
+#define ACCESS_BURST 1
+
+#define NUM_BITS_TCH_FRAME 260
+#define NUM_BITS_CCH_FRAME 184
+#define NUM_BITS_RACH_FRAME 8
+#define NUM_BITS_PRACH_FRAME 11
+#define NUM_BITS_SCH_FRAME 25
+#define FILLFRAME_LEN_START 18
+#define FILLFRAME_LEN_END 24
+
+#define NUM_STEAL_FLAGS_PER_FRAME 8
+
+#define NUM_CODED_BITS_TCH_FRAME 378
+#define NUM_CODED_BITS_CCH_FRAME 456
+
+#define NUM_BER_BITS_TCH_FRAME (NUM_CODED_BITS_TCH_FRAME + NUM_STEAL_FLAGS_PER_FRAME)
+#define NUM_BER_BITS_FACCH_FRAME (NUM_CODED_BITS_CCH_FRAME + NUM_STEAL_FLAGS_PER_FRAME)
+#define NUM_BER_BITS_SACCH_FRAME (NUM_CODED_BITS_CCH_FRAME + NUM_STEAL_FLAGS_PER_FRAME)
+
+/*
+* Uplink constants: Define the number of samples per burst
+*/
+#define BURST_SIZE_UL_MAX 157
+
+/*
+* Downlink constants. Note: cut sampling rate by 2 to bypass
+* McBSP dropping samples at 26 MHz bit clock rate
+*/
+#define SAMPLES_PER_BIT 2
+#define SAMPLES_PER_BIT_13MHz 2
+#define LUT_DEPTH 32
+#define MOD_NUM_BITS_IN 148
+#define NB_BITS_TO_MOD 146
+#define AB_BITS_TO_MOD 86
+#define RAMP_SAMPLES (SAMPLES_PER_BIT*5)
+
+/*
+* TCH Perceptual Masking Thresholds. BER Thresh is the number of bit errors
+* per voice frame above which we mask out the frame. This is set empirically
+* to 37/378 = 10% BER. Metric Thresh is the Viterbi metric below which we mask.
+*/
+#define TCH_BER_THRESH 37
+#define TCH_METRIC_THRESH 0x600
+#define RACH_SNR_THRESHOLD 35 /* # RACH tseq bits to match */
+#define RACH_METRIC_THRESHOLD 0x80 /* This needs to be tuned */
+
+/*
+* GPRS related items
+*/
+#define MAX_NUM_GPRS_ADD_BITS 168
+
+typedef enum
+{
+ GPRS_CS_1 = 0,
+ GPRS_CS_2 = 1,
+ GPRS_CS_3 = 2,
+ GPRS_CS_4 = 3,
+ GPRS_CODEC_TYPE
+
+} GPRSCodecType;
+
+/*
+* GSM 5.03
+*/
+#define NUM_BITS_GPRS_CS1 NUM_BITS_CCH_FRAME
+#define NUM_BITS_GPRS_CS2 271
+#define NUM_BITS_GPRS_CS3 315
+#define NUM_BITS_GPRS_CS4 431
+
+/*
+* GPRS Codec Flags on 4 bursts
+*/
+#define FRAME_FLAGS_CS1 0xFF
+//#define FRAME_FLAGS_CS2 0x31
+#define FRAME_FLAGS_CS2 0xC8
+//#define FRAME_FLAGS_CS3 0x84
+#define FRAME_FLAGS_CS3 0x21
+//#define FRAME_FLAGS_CS4 0x68
+#define FRAME_FLAGS_CS4 0x16
+/*
+* Type used for DL transmission buffers
+*/
+typedef struct
+{
+ t_DLComplexSamp burst0246[BURST_SIZE_DL];
+ t_DLComplexSamp burst1357[BURST_SIZE_DL];
+} t_DLBBData;
+
+/*
+* Type used for UL transmission buffers
+*/
+typedef struct
+{
+ t_ULComplexSamp burst04[BURST_SIZE_UL_MAX];
+ t_ULComplexSamp burst15[BURST_SIZE_UL_MAX-1];
+ t_ULComplexSamp burst26[BURST_SIZE_UL_MAX-1];
+ t_ULComplexSamp burst37[BURST_SIZE_UL_MAX-1];
+ t_ULComplexSamp toaOffset[3]; /* extra buffer for TOA correction */
+} t_ULBBData;
+
+/*
+* Buffer for burst builder output and input to modulator.
+*/
+typedef struct
+{
+ Bool tx; /* Transmission Indicator */
+ UChar data[MOD_NUM_BITS_IN+RAMP_SAMPLES];
+} t_DLBurstBuf;
+
+typedef struct
+{
+ Short toa; /* Time of Arrival: from -2 (NB_TOA_MIN) to +64 (AB_TOA_MAX) */
+ Short snr; /* Signal to Noise (plus Interference) Ratio */
+ Short rcvPower; /* Uplink Signal Power Level */
+ /*
+ * Soft decisions of the bits
+ */
+ Char data[MAX_NUM_ENCRYPT_BITS_PER_BURST]; /* Soft decisions of the bits */
+} t_ULBurstBuf;
+
+typedef struct
+{
+ Int cchRXBurstIndex[NUM_TN_PER_RF]; /* Interleaver burst index */
+ /*
+ * Soft decisions of the bits
+ */
+ Char data[NUM_TN_PER_RF][NUM_BURSTS_PER_CCH_BLOCK][NB_NUM_ENCRYPT_BITS_PER_BURST];
+} t_ULBurstBuf4;
+
+typedef struct
+{
+ Int tchRXBurstIndex[NUM_TN_PER_RF]; /* Interleaver burst index */
+ /*
+ * Soft decisions of the bits
+ */
+ Char data[NUM_TN_PER_RF][NUM_BURSTS_PER_TCH_BLOCK][NB_NUM_ENCRYPT_BITS_PER_BURST];
+} t_ULBurstBuf8;
+
+typedef struct
+{
+ Bool tx; /* Transmission Indicator */
+ UChar data[NB_NUM_ENCRYPT_BITS_PER_BURST];
+} t_DLCodedBuf;
+
+typedef struct
+{
+ Int cchTXBurstIndex[NUM_TN_PER_RF]; /* Interleaver burst index */
+ Char data[NUM_TN_PER_RF][NUM_BURSTS_PER_CCH_BLOCK][NB_NUM_ENCRYPT_BITS_PER_BURST];
+} t_DLCodedBuf4;
+
+typedef struct
+{
+ Int tchTXBurstIndex[NUM_TN_PER_RF]; /* Interleaver burst index */
+ Char txBurstCount[NUM_TN_PER_RF]; /* Burst Transmission Indicator */
+ Char data[NUM_TN_PER_RF][NUM_BURSTS_PER_TCH_BLOCK][NB_NUM_ENCRYPT_BITS_PER_BURST];
+} t_DLCodedBuf8;
+
+typedef struct
+{
+ Int tchTXBurstIndex[NUM_TN_PER_RF]; /* Interleaver burst index */
+ Char data[NUM_TN_PER_RF][NUM_BURSTS_PER_CCH_BLOCK][NB_NUM_ENCRYPT_BITS_PER_BURST];
+ Char txBurstCount[NUM_TN_PER_RF]; /* Burst Transmission Indicator */
+} t_PDCHCodedBuf4;
+
+typedef union
+{
+ t_DLCodedBuf8
+ t_PDCHCodedBuf4;
+}u_DLCodecBuf;
+
+typedef struct
+{
+ Bool bufferValid; /* Buffer Valid Flag. Indicates buffer ready */
+ Uint8 chCodec;
+ Uint8 codecFlags;
+ Char data[NUM_CODED_BITS_CCH_FRAME];
+} t_DLCCHBuff;
+
+typedef union
+{
+ UShort intval;
+ struct
+ {
+ UInt bufferValid :1; /* Buffer Valid Flag. Indicates buffer ready */
+ UInt sp :1; /* Speech Present flag */
+ UInt spare :14;
+ } bitval;
+} t_DLTCHWord0;
+
+typedef struct
+{
+ t_DLTCHWord0 dltchword0;
+ Char data[NUM_BITS_TCH_FRAME+MAX_NUM_GPRS_ADD_BITS+4];
+} t_DLTCHBuff;
+
+typedef union
+{
+ UShort intval;
+ struct
+ {
+ UInt bufferValid :1; /* Buffer Valid Flag. Indicates buffer ready */
+ UInt spare :8;
+ UInt bfi :1;
+ UInt spare2 :3;
+ UInt fireStatus :3; /* Status of Fire Code: 0-no error, */
+ /* 1-error detected, 2-error corrected, 3-reserved */
+ } bitval;
+} t_ULCCHWord0;
+
+typedef union
+{
+ UShort intval;
+ struct
+ {
+ UInt bufferValid :1; /* Buffer Valid Flag. Indicates buffer ready */
+ UInt parityStatus :1; /* TCH frame CRC bit field */
+ UInt bfi :1; /* Bad Frame Indicator */
+ UInt sid :2; /* Silence Frame Indicator */
+ UInt mask :1; /* Perceptual Masking Indicator */
+ UInt spare :10;
+ } bitval;
+} t_ULTCHWord0;
+
+typedef union
+{
+ UShort intval;
+ struct
+ {
+ UInt bufferValid :1; /* Buffer Valid Flag. Indicates buffer ready */
+ UInt rachDet :1; /* RACH Detection Flag */
+ UInt spare :13;
+ UInt bfi :1; /* Bad Frame Indication */
+ } bitval;
+} t_ULRACHWord0;
+
+typedef struct
+{
+ t_ULCCHWord0 ulcchword0;
+ UShort nErrs; /* Estimated errors in 1 FACCH frame (by chanDecoder) */
+ UShort metric; /* Viterbi "Best Path Distance Metric" */
+ UShort T1; /* Records the TDMA Frame number where frame was */
+ UChar T2; /* completely received */
+ UChar T3;
+ Uint8 chCodec;
+ Uint8 codecFlags;
+ UChar data[NUM_CODED_BITS_CCH_FRAME];
+} t_ULCCHBuff;
+
+typedef struct
+{
+ UInt errorPatternReg; /* Fire Decoder Error Pattern Register */
+ UInt errorLocationReg; /* Fire Decoder Error Location Register */
+ UChar fireStatus; /* Fire Decoder Processing Status Flag */
+ UChar rfCh;
+ UChar timeslot;
+ UChar subChan;
+ UChar chType;
+ UChar data[NUM_BITS_CCH_FRAME];
+} t_ULCCHFireBuff;
+
+typedef struct
+{
+ t_ULTCHWord0 ultchword0;
+ UShort nErrs; /* Estimated errors in 1 TCH frame (by chanDecoder) */
+ UShort metric; /* Viterbi "Best Path Distance Metric" */
+ Char data[NUM_BITS_TCH_FRAME+MAX_NUM_GPRS_ADD_BITS+4];
+} t_ULTCHBuff;
+
+typedef struct
+{
+ t_ULRACHWord0 ulRACHword0;
+ UShort nErrs; /* Estimated number of errors by Channel Decoder */
+ UShort metric; /* Viterbi "Best Path Distance Metric" */
+ UShort T1; /* Records the TDMA Frame number where frame was */
+ UChar T2; /* completely received */
+ UChar T3;
+ UChar data[NUM_BITS_PRACH_FRAME];
+ UChar spare[NUM_BITS_CCH_FRAME-NUM_BITS_RACH_FRAME];
+} t_ULRACHBuff;
+
+
+#endif /* end of include once only */
+
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