rjw | 6c1fd8f | 2022-11-30 14:33:01 +0800 | [diff] [blame] | 1 | /*============================================================================*/ |
| 2 | /* eCall ANSI C fixed-point reference source code */ |
| 3 | /* */ |
| 4 | /* File: ecall_defines.h */ |
| 5 | /* Version: 8.6.0 (Rel8) / 9.4.0 (Rel9) */ |
| 6 | /* Date: 2011-02-08 */ |
| 7 | /* Description: constants and common data structures */ |
| 8 | /*----------------------------------------------------------------------------*/ |
| 9 | |
| 10 | #ifndef ECALL_DEFINES_H_ |
| 11 | #define ECALL_DEFINES_H_ |
| 12 | |
| 13 | #include <limits.h> |
| 14 | |
| 15 | //#define __ECALL_MODEM_SUPPORT_PSAP__ |
| 16 | #define ECALL_ENUM2STR |
| 17 | |
| 18 | /*============================================================================*/ |
| 19 | /* General conventions */ |
| 20 | /*----------------------------------------------------------------------------*/ |
| 21 | |
| 22 | typedef enum { False, True } Bool; |
| 23 | typedef enum { Minus = -1, Zero, Plus } Tern; |
| 24 | |
| 25 | typedef signed char Int8; /* 8 bit signed variable */ |
| 26 | typedef signed short int Int16; /* 16 bit signed variable */ |
| 27 | typedef signed int Int32; /* 32 bit signed variable */ |
| 28 | |
| 29 | typedef unsigned char Ord1; /* 1 bit variable */ |
| 30 | typedef unsigned char Ord8; /* 8 bit unsigned variable */ |
| 31 | typedef unsigned short int Ord16; /* 16 bit unsigned variable */ |
| 32 | typedef unsigned int Ord32; /* 32 bit unsigned variable */ |
| 33 | |
| 34 | #define MAX(a,b) ((a)>(b) ? (a) : (b)) /* macro: maximum */ |
| 35 | #define MIN(a,b) ((a)<(b) ? (a) : (b)) /* macro: minimum */ |
| 36 | #define ABS(a) ((a)< 0 ? -(a) : (a)) /* macro: absolute value */ |
| 37 | #define SIGN(a) ((a)< 0 ? (-1) : (1)) /* macro: sign */ |
| 38 | |
| 39 | #ifndef PCM_LENGTH |
| 40 | #define PCM_LENGTH (160) /* length of PCM frame in samples */ |
| 41 | #endif |
| 42 | #ifndef ECALL_MSD_MAX_LENGTH |
| 43 | #define ECALL_MSD_MAX_LENGTH (140) /* length of MSD message in bytes */ |
| 44 | #endif |
| 45 | #ifndef PCM_MIN |
| 46 | #define PCM_MIN (SHRT_MIN) /* minimum PCM value */ |
| 47 | #endif |
| 48 | #ifndef PCM_MAX |
| 49 | #define PCM_MAX (SHRT_MAX) /* maximum PCM value */ |
| 50 | #endif |
| 51 | |
| 52 | /*============================================================================*/ |
| 53 | /* Synchronization */ |
| 54 | /*----------------------------------------------------------------------------*/ |
| 55 | |
| 56 | #define SYNC_BADCHECK (3) /* sync consecutive bad check */ |
| 57 | #define SYNC_BADTRACK (4) /* sync consecutive bad track */ |
| 58 | #define SYNC_IDXLEN (75) /* sync index length */ |
| 59 | #define SYNC_THRESHOLD (10e6) /* sync threshold */ |
| 60 | |
| 61 | #define LOCK_RESYNC (2) /* messages to lock after sync loss */ |
| 62 | #define LOCK_START_UL (2) /* START messages to lock sync (UL) */ |
| 63 | #define LOCK_START_DL (3) /* START messages to lock sync (DL) */ |
| 64 | #define FAIL_RESTART (3) /* START messages to restart */ |
| 65 | |
| 66 | #define NRF_WAKEUP (3) /* number of wakeup frames */ |
| 67 | #define NRF_SYNC (13) /* number of sync frames */ |
| 68 | #define NRF_OBSERVE (10) /* number of sync observer frames */ |
| 69 | #define NRF_RESYNC (60) /* resync frames after sync loss */ |
| 70 | |
| 71 | #define NRS_CHECK (480) /* number of samples to check */ |
| 72 | #define NRS_TRACK (240) /* number of samples to track */ |
| 73 | #define NRS_CP (2) /* number of samples next to peaks */ |
| 74 | |
| 75 | #define PNSEQ_OSF (22) /* oversampling of PN sequence */ |
| 76 | #define PEAK_DIST_PP (30*PNSEQ_OSF) /* distance outer positive peaks */ |
| 77 | #define PEAK_DIST_NN (54*PNSEQ_OSF) /* distance negative peaks */ |
| 78 | #define PEAK_DIST_PN (12*PNSEQ_OSF) /* distance positive to negative */ |
| 79 | |
| 80 | /*============================================================================*/ |
| 81 | /* Uplink/Downlink format */ |
| 82 | /*----------------------------------------------------------------------------*/ |
| 83 | |
| 84 | #define ARQ_MAX (8) /* number of redundancy versions */ |
| 85 | #define NRB_TAIL (3) /* number of encoder tail bits */ |
| 86 | #define NRB_CRC (28) /* order of CRC polynomial */ |
| 87 | |
| 88 | #define NRB_INFO (8*ECALL_MSD_MAX_LENGTH) |
| 89 | #define NRB_INFO_CRC (8*ECALL_MSD_MAX_LENGTH + NRB_CRC) |
| 90 | #define NRB_CODE_ARQ (1380) |
| 91 | #define NRB_CODE_BUFFER (3*(8*ECALL_MSD_MAX_LENGTH + NRB_CRC) + 4*NRB_TAIL) |
| 92 | |
| 93 | #define SET_LLMSG (16) /* set size lower-layer messages */ |
| 94 | #define SET_HLMSG (16) /* set size higher-layer messages */ |
| 95 | |
| 96 | #define NRF_DLDATA (3) /* downlink data frames */ |
| 97 | #define NRF_DLMUTE1LL (3) /* 1st muting lower-layer message */ |
| 98 | #define NRF_DLMUTE1HL (1) /* 1st muting higher-layer message */ |
| 99 | #define NRF_DLCHUNK (NRF_SYNC + NRF_DLMUTE1HL + 2*NRF_DLDATA) |
| 100 | |
| 101 | /*============================================================================*/ |
| 102 | /* IVS/PSAP processing */ |
| 103 | /*----------------------------------------------------------------------------*/ |
| 104 | |
| 105 | #define NRF_MEMCTRL (7) |
| 106 | #define NRS_MEMSYNC (508 + 38*NRS_CP) |
| 107 | |
| 108 | #define IVS_NUMSEND (5) /* number of SEND messages */ |
| 109 | #define IVS_THRESHOLD (40000) /* threshold for control messages */ |
| 110 | #define IVS_GOSTART (6) /* threshold for unreliable START */ |
| 111 | #define IVS_TXFAST (10) /* fast modulator NACK condition */ |
| 112 | #define IVS_TXINC (87) /* sample increment at restart */ |
| 113 | |
| 114 | #define PSAP_NUMSTART (500) /* number of START messages */ |
| 115 | #define PSAP_NUMACK (5) /* number of ACK messages */ |
| 116 | #define PSAP_NUMHLACK (5) /* number of HLACK messages */ |
| 117 | #define PSAP_THRESHOLD (40) /* threshold for modulator type */ |
| 118 | |
| 119 | #define FEC_VAR (30206) /* variance: 1/4550000 in Q37 */ |
| 120 | #define FEC_MEAN (0xB9999A) /* mean: 5.8 in Q21 */ |
| 121 | #define FEC_ITERATIONS (8) /* number of decoder iterations */ |
| 122 | #define FEC_STATES (8) /* number of decoder states */ |
| 123 | |
| 124 | #define IntLLR Int16 |
| 125 | #define LLR_MAX ((Int32)(0x7fff-1)) |
| 126 | #define LOGEXP_RES (401) /* resolution of logexp table */ |
| 127 | #define LOGEXP_DELTA (-6) /* internal Q-factor */ |
| 128 | #define LOGEXP_QIN (8) /* input Q-factor of LLR values */ |
| 129 | |
| 130 | #endif |