| /*============================================================================*/ |
| /* eCall ANSI C fixed-point reference source code */ |
| /* */ |
| /* File: ecall_defines.h */ |
| /* Version: 8.6.0 (Rel8) / 9.4.0 (Rel9) */ |
| /* Date: 2011-02-08 */ |
| /* Description: constants and common data structures */ |
| /*----------------------------------------------------------------------------*/ |
| |
| #ifndef ECALL_DEFINES_H_ |
| #define ECALL_DEFINES_H_ |
| |
| #include <limits.h> |
| |
| //#define __ECALL_MODEM_SUPPORT_PSAP__ |
| #define ECALL_ENUM2STR |
| |
| /*============================================================================*/ |
| /* General conventions */ |
| /*----------------------------------------------------------------------------*/ |
| |
| typedef enum { False, True } Bool; |
| typedef enum { Minus = -1, Zero, Plus } Tern; |
| |
| typedef signed char Int8; /* 8 bit signed variable */ |
| typedef signed short int Int16; /* 16 bit signed variable */ |
| typedef signed int Int32; /* 32 bit signed variable */ |
| |
| typedef unsigned char Ord1; /* 1 bit variable */ |
| typedef unsigned char Ord8; /* 8 bit unsigned variable */ |
| typedef unsigned short int Ord16; /* 16 bit unsigned variable */ |
| typedef unsigned int Ord32; /* 32 bit unsigned variable */ |
| |
| #define MAX(a,b) ((a)>(b) ? (a) : (b)) /* macro: maximum */ |
| #define MIN(a,b) ((a)<(b) ? (a) : (b)) /* macro: minimum */ |
| #define ABS(a) ((a)< 0 ? -(a) : (a)) /* macro: absolute value */ |
| #define SIGN(a) ((a)< 0 ? (-1) : (1)) /* macro: sign */ |
| |
| #ifndef PCM_LENGTH |
| #define PCM_LENGTH (160) /* length of PCM frame in samples */ |
| #endif |
| #ifndef ECALL_MSD_MAX_LENGTH |
| #define ECALL_MSD_MAX_LENGTH (140) /* length of MSD message in bytes */ |
| #endif |
| #ifndef PCM_MIN |
| #define PCM_MIN (SHRT_MIN) /* minimum PCM value */ |
| #endif |
| #ifndef PCM_MAX |
| #define PCM_MAX (SHRT_MAX) /* maximum PCM value */ |
| #endif |
| |
| /*============================================================================*/ |
| /* Synchronization */ |
| /*----------------------------------------------------------------------------*/ |
| |
| #define SYNC_BADCHECK (3) /* sync consecutive bad check */ |
| #define SYNC_BADTRACK (4) /* sync consecutive bad track */ |
| #define SYNC_IDXLEN (75) /* sync index length */ |
| #define SYNC_THRESHOLD (10e6) /* sync threshold */ |
| |
| #define LOCK_RESYNC (2) /* messages to lock after sync loss */ |
| #define LOCK_START_UL (2) /* START messages to lock sync (UL) */ |
| #define LOCK_START_DL (3) /* START messages to lock sync (DL) */ |
| #define FAIL_RESTART (3) /* START messages to restart */ |
| |
| #define NRF_WAKEUP (3) /* number of wakeup frames */ |
| #define NRF_SYNC (13) /* number of sync frames */ |
| #define NRF_OBSERVE (10) /* number of sync observer frames */ |
| #define NRF_RESYNC (60) /* resync frames after sync loss */ |
| |
| #define NRS_CHECK (480) /* number of samples to check */ |
| #define NRS_TRACK (240) /* number of samples to track */ |
| #define NRS_CP (2) /* number of samples next to peaks */ |
| |
| #define PNSEQ_OSF (22) /* oversampling of PN sequence */ |
| #define PEAK_DIST_PP (30*PNSEQ_OSF) /* distance outer positive peaks */ |
| #define PEAK_DIST_NN (54*PNSEQ_OSF) /* distance negative peaks */ |
| #define PEAK_DIST_PN (12*PNSEQ_OSF) /* distance positive to negative */ |
| |
| /*============================================================================*/ |
| /* Uplink/Downlink format */ |
| /*----------------------------------------------------------------------------*/ |
| |
| #define ARQ_MAX (8) /* number of redundancy versions */ |
| #define NRB_TAIL (3) /* number of encoder tail bits */ |
| #define NRB_CRC (28) /* order of CRC polynomial */ |
| |
| #define NRB_INFO (8*ECALL_MSD_MAX_LENGTH) |
| #define NRB_INFO_CRC (8*ECALL_MSD_MAX_LENGTH + NRB_CRC) |
| #define NRB_CODE_ARQ (1380) |
| #define NRB_CODE_BUFFER (3*(8*ECALL_MSD_MAX_LENGTH + NRB_CRC) + 4*NRB_TAIL) |
| |
| #define SET_LLMSG (16) /* set size lower-layer messages */ |
| #define SET_HLMSG (16) /* set size higher-layer messages */ |
| |
| #define NRF_DLDATA (3) /* downlink data frames */ |
| #define NRF_DLMUTE1LL (3) /* 1st muting lower-layer message */ |
| #define NRF_DLMUTE1HL (1) /* 1st muting higher-layer message */ |
| #define NRF_DLCHUNK (NRF_SYNC + NRF_DLMUTE1HL + 2*NRF_DLDATA) |
| |
| /*============================================================================*/ |
| /* IVS/PSAP processing */ |
| /*----------------------------------------------------------------------------*/ |
| |
| #define NRF_MEMCTRL (7) |
| #define NRS_MEMSYNC (508 + 38*NRS_CP) |
| |
| #define IVS_NUMSEND (5) /* number of SEND messages */ |
| #define IVS_THRESHOLD (40000) /* threshold for control messages */ |
| #define IVS_GOSTART (6) /* threshold for unreliable START */ |
| #define IVS_TXFAST (10) /* fast modulator NACK condition */ |
| #define IVS_TXINC (87) /* sample increment at restart */ |
| |
| #define PSAP_NUMSTART (500) /* number of START messages */ |
| #define PSAP_NUMACK (5) /* number of ACK messages */ |
| #define PSAP_NUMHLACK (5) /* number of HLACK messages */ |
| #define PSAP_THRESHOLD (40) /* threshold for modulator type */ |
| |
| #define FEC_VAR (30206) /* variance: 1/4550000 in Q37 */ |
| #define FEC_MEAN (0xB9999A) /* mean: 5.8 in Q21 */ |
| #define FEC_ITERATIONS (8) /* number of decoder iterations */ |
| #define FEC_STATES (8) /* number of decoder states */ |
| |
| #define IntLLR Int16 |
| #define LLR_MAX ((Int32)(0x7fff-1)) |
| #define LOGEXP_RES (401) /* resolution of logexp table */ |
| #define LOGEXP_DELTA (-6) /* internal Q-factor */ |
| #define LOGEXP_QIN (8) /* input Q-factor of LLR values */ |
| |
| #endif |