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asterisk/channels/xpmr/xpmr.h

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/*
* xpmr.h - for Xelatec Private Mobile Radio Processes
*
* All Rights Reserved. Copyright (C)2007, Xelatec, LLC
*
* 20070808 1235 Steven Henke, W9SH, sph@xelatec.com
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* This version may be optionally licenced under the GNU LGPL licence.
*
* A license has been granted to Digium (via disclaimer) for the use of
* this code.
*
*/
/*! \file
*
* \brief Private Land Mobile Radio Channel Voice and Signaling Processor
*
* \author Steven Henke, W9SH <sph@xelatec.com> Xelatec, LLC
*/
#ifndef XPMR_H
#define XPMR_H 1
#define XPMR_DEV 0 // when running in test mode
#define XPMR_TRACE_LEVEL 0
#ifdef RADIO_RTX
#define DTX_PROG 1 // rf transceiver module
#define XPMR_PPTP 0 // parallel port test probe
#else
#define DTX_PROG 0
#define XPMR_PPTP 0
#endif
#if (DTX_PROG == 1) || XPMR_PPTP == 1
#include <parapindriver.h>
#endif
#ifdef CHAN_USBRADIO
#define XPMR_DEBUG0 1
#define XPMR_TRACE 1
#define TRACEO(level,a) { if ( o->tracelevel >= level ) {printf a;} }
#else
#define XPMR_DEBUG0 1
#define XPMR_TRACE 1
#define TRACEO(level,a)
#endif
#define LSD_DFS 5
#define LSD_DFD 1
#if(XPMR_DEBUG0 == 1)
#define XPMR_DEBUG_CHANS 16
#define TSCOPE(a) {strace a;}
#else
#define XPMR_DEBUG_CHANS 0
#define TSCOPE(a)
#endif
#define XPMR_TRACE_AMP 8192
// TRACEM(3,TSYS_LSD,("pmr_lsdctl_exec() RX FRAME UNPROCESSED.\n"));
#if(XPMR_TRACE == 1)
#define TRACEX(a) {printf a;}
#define TRACEXL(a) {printf("%s @ %u : ",__FILE__ ,__LINE__); printf a; }
#define TRACEXT(a) {struct timeval hack; gettimeofday(&hack,NULL); printf("%ld.",hack.tv_sec%100000); printf("%i : ",(int)hack.tv_usec); printf a; }
#define TRACEXR(a) {printf a;}
#define TRACEC(level,a) {if(pChan->tracelevel>=level){printf("%08i ",pChan->frameCountRx);printf a;} }
#define TRACEF(level,a) {if(pChan->tracelevel>=level){printf a;} }
#define TRACEJ(level,a) {if(XPMR_TRACE_LEVEL>=level){printf a;} }
#define TRACES(level,a) {if(mySps->parentChan->tracelevel >= level){printf a;} }
#define TRACET(level,a) {if(pChan->tracelevel>=level){printf("%08i %02i",pChan->frameCountRx,pChan->rptnum);printf a;} }
#define TRACEXR(a) {printf a;}
#define TRACEM(level,sys,a) {if(pChan->tracelevel>=level || (pChan->tracesys[sys])){printf a;} }
#else
#define TRACEX(a)
#define TRACEXL(a)
#define TRACEXT(a)
#define TRACEC(level,a)
#define TRACEF(level,a)
#define TRACEJ(level,a)
#define TRACES(level,a)
#define TRACET(level,a)
#define TRACEXR(a)
#define TRACEM(level,sys,a)
#endif
#define i8 int8_t
#define u8 u_int8_t
#define i16 int16_t
#define u16 u_int16_t
#define i32 int32_t
#define u32 u_int32_t
#define i64 int64_t
#define u64 u_int64_t
#define M_Q31 0x80000000 //
#define M_Q30 0x40000000 //
#define M_Q29 0x20000000 //
#define M_Q28 0x10000000 //
#define M_Q27 0x08000000 //
#define M_Q26 0x04000000 //
#define M_Q25 0x02000000 //
#define M_Q24 0x01000000 //
#define M_Q23 0x00800000 //
#define M_Q22 0x00400000 //
#define M_Q21 0x00200000 // undsoweiter
#define M_Q20 0x00100000 // 1048576
#define M_Q19 0x00080000 // 524288
#define M_Q18 0x00040000 // 262144
#define M_Q17 0x00020000 // 131072
#define M_Q16 0x00010000 // 65536
#define M_Q15 0x00008000 // 32768
#define M_Q14 0x00004000 // 16384
#define M_Q13 0x00002000 // 8182
#define M_Q12 0x00001000 // 4096
#define M_Q11 0x00000800 // 2048
#define M_Q10 0x00000400 // 1024
#define M_Q9 0x00000200 // 512
#define M_Q8 0x00000100 // 256
#define M_Q7 0x00000080 // 128
#define M_Q6 0x00000040 // 64
#define M_Q5 0x00000020 // 32
#define M_Q4 0x00000010 // 16
#define M_Q3 0x00000008 // 16
#define M_Q2 0x00000004 // 16
#define M_Q1 0x00000002 // 16
#define M_Q0 0x00000001 // 16
#define RADIANS_PER_CYCLE (2*M_PI)
#define SAMPLE_RATE_INPUT 48000
#define SAMPLE_RATE_NETWORK 8000
#define SAMPLES_PER_BLOCK 160
#define MS_PER_FRAME 20
#define SAMPLES_PER_MS 8
#define CTCSS_NULL -1
#define CTCSS_RXONLY -2
#define CTCSS_NUM_CODES 38 // 0 - 37
#define CTCSS_SCOUNT_MUL 100
#define CTCSS_INTEGRATE 3932 // 32767*.120 // 120/1000 // 0.120
#define CTCSS_INPUT_LIMIT 1000
#define CTCSS_DETECT_POINT 1989
#define CTCSS_HYSTERSIS 200
#define CTCSS_TURN_OFF_TIME 160 // ms
#define CTCSS_TURN_OFF_SHIFT 240 // degrees
#define TOC_NOTONE_TIME 600 // ms
#define DDB_FRAME_SIZE 160 // clock de-drift defaults
#define DDB_FRAMES_IN_BUFF 8
#define DDB_ERR_MODULUS 10000
#define DCS_TURN_OFF_TIME 180
#define NUM_TXLSD_FRAMEBUFFERS 4
#define CHAN_TXSTATE_IDLE 0
#define CHAN_TXSTATE_ACTIVE 1
#define CHAN_TXSTATE_TOC 2
#define CHAN_TXSTATE_HANGING 3
#define CHAN_TXSTATE_FINISHING 4
#define CHAN_TXSTATE_COMPLETE 5
#define CHAN_TXSTATE_USURPED 9
#define SMODE_NULL 0
#define SMODE_CARRIER 1
#define SMODE_CTCSS 2
#define SMODE_DCS 3
#define SMODE_LSD 4
#define SMODE_MPT 5
#define SMODE_DST 6
#define SMODE_P25 7
#define SMODE_MDC 8
#define SPS_OPT_START 1
#define SPS_OPT_STOP 2
#define SPS_OPT_TURNOFF 3
#define SPS_OPT_STOPNOW 4
#define SPS_STAT_STOPPED 0
#define SPS_STAT_STARTING 1
#define SPS_STAT_RUNNING 2
#define SPS_STAT_HALTING 3
#define PP_BIT_TEST 6
#define PP_REG_LEN 32
#define PP_BIT_TIME 100000
#define DTX_CLK LP_PIN02
#define DTX_DATA LP_PIN03
#define DTX_ENABLE LP_PIN04
#define DTX_TX LP_PIN05 // only used on older mods
#define DTX_TXPWR LP_PIN06 // not used
#define DTX_TP1 LP_PIN07 // not used
#define DTX_TP2 LP_PIN08 // not used
#define BIN_PROG_0 LP_PIN06
#define BIN_PROG_1 LP_PIN07
#define BIN_PROG_2 LP_PIN08
#define BIN_PROG_3 LP_PIN09
#ifndef CHAN_USBRADIO
enum {RX_AUDIO_NONE,RX_AUDIO_SPEAKER,RX_AUDIO_FLAT};
enum {TX_AUDIO_NONE,TX_AUDIO_FLAT,TX_AUDIO_FILTERED,TX_AUDIO_PROC};
enum {CD_IGNORE,CD_XPMR_NOISE,CD_XPMR_VOX,CD_HID,CD_HID_INVERT};
enum {SD_IGNORE,SD_HID,SD_HID_INVERT,SD_XPMR}; // no,external,externalinvert,software
enum {RX_KEY_CARRIER,RX_KEY_CARRIER_CODE};
enum {TX_OUT_OFF,TX_OUT_VOICE,TX_OUT_LSD,TX_OUT_COMPOSITE,TX_OUT_AUX};
enum {TOC_NONE,TOC_PHASE,TOC_NOTONE};
#endif
enum dbg_pts {
RX_INPUT,
RX_NOISE_AMP,
RX_NOISE_TRIG,
RX_CTCSS_LPF,
RX_CTCSS_CENTER,
RX_CTCSS_NRZ,
RX_CTCSS_CLK,
RX_CTCSS_P0,
RX_CTCSS_P1,
RX_CTCSS_ACCUM,
RX_CTCSS_DVDT,
RX_CTCSS_DECODE,
RX_DCS_CENTER,
RX_DCS_DEC,
RX_DCS_DIN,
RX_DCS_CLK,
RX_DCS_DAT,
RX_LSD_LPF,
RX_LSD_CLK,
RX_LSD_DAT,
RX_LSD_DEC,
RX_LSD_CENTER,
RX_LSD_SYNC,
RX_LSD_STATE,
RX_LSD_ERR,
RX_LSD_INTE,
RX_SMODE,
TX_PTT_IN,
TX_PTT_OUT,
TX_DEDRIFT_LEAD,
TX_DEDRIFT_ERR,
TX_DEDRIFT_FACTOR,
TX_DEDRIFT_DRIFT,
TX_DEDRIFT_TWIDDLE,
TX_CTCSS_GEN,
TX_SIGGEN_0,
TX_DCS_CLK,
TX_DCS_DAT,
TX_DCS_LPF,
TX_LSD_CLK,
TX_LSD_DAT,
TX_LSD_GEN,
TX_LSD_LPF,
TX_NET_INT,
TX_VOX_HPF,
TX_VOX_LIM,
TX_VOX_LPF,
TX_OUT_A,
TX_OUT_B,
NUM_DEBUG_PTS
};
typedef struct
{
i16 mode;
i16 point[NUM_DEBUG_PTS];
i16 trace[16];
i16 scale[16];
i16 offset[16];
i16 buffer[16 * SAMPLES_PER_BLOCK]; // allocate for rx and tx
i16 *source[16];
} t_sdbg;
typedef struct
{
i16 lock;
i16 option; // 1 = data in, 0 = data out
i16 debug;
i16 debugcnt;
i32 rxframecnt;
i32 txframecnt;
i32 skew;
i16 frames;
i16 framesize;
i16 buffersize;
i32 timer;
i32 x0,x1,y0,y1;
i16 inputindex;
i16 outputindex;
i16 lead;
i16 err;
i16 accum;
i16 *ptr; // source or destination
i16 *buff;
i16 inputcnt;
i16 initcnt;
i32 factor;
i32 drift;
i32 modulus;
i32 z1;
struct {
unsigned rxlock:1;
unsigned txlock:1;
unsigned twiddle:1;
unsigned doitnow:1;
}b;
}
t_dedrift;
/*
one structure for each ctcss tone to decode
*/
typedef struct
{
i16 counter; // counter to next sample
i16 counterFactor; // full divisor used to increment counter
i16 binFactor;
i16 fudgeFactor;
i16 peak; // peak amplitude now maw sph now
i16 enabled;
i16 state; // dead, running, error
i16 zIndex; // z bucket index
i16 z[4];
i16 zi;
i16 dvu;
i16 dvd;
i16 zd;
i16 setpt;
i16 hyst;
i16 decode;
i16 diffpeak;
i16 debug;
#if XPMR_DEBUG0 == 1
i16 lasttv0;
i16 lasttv1;
i16 lasttv2;
i16 lasttv3;
i16 *pDebug0; // pointer to debug output
i16 *pDebug1; // pointer to debug output
i16 *pDebug2; // pointer to debug output
i16 *pDebug3; // pointer to debug output
#endif
} t_tdet;
typedef struct
{
i16 enabled; // if 0 none, 0xFFFF all tones, or single tone
i16 *input; // source data
i16 clamplitude;
i16 center;
i16 decode; // current ctcss decode index
i32 BlankingTimer;
u32 TurnOffTimer;
i16 gain;
i16 limit;
i16 debugIndex;
i16 *pDebug0;
i16 *pDebug1;
i16 *pDebug2;
i16 *pDebug3;
i16 testIndex;
i16 multiFreq;
i8 relax;
t_tdet tdet[CTCSS_NUM_CODES];
i8 numrxcodes;
i16 rxCtcssMap[CTCSS_NUM_CODES];
char *rxctcss[CTCSS_NUM_CODES]; // pointers to each tone in string above
char *txctcss[CTCSS_NUM_CODES];
i32 txctcssdefault_index;
float txctcssdefault_value;
struct{
unsigned valid:1;
}b;
} t_dec_ctcss;
/*
Low Speed Data
*/
/*
general purpose pmr signal processing element
*/
struct t_pmr_chan;
typedef struct t_pmr_sps
{
i16 index; // unique to each instance
i16 enabled; // enabled/disabled
struct t_pmr_chan *parentChan;
i16 *source; // source buffer
i16 *sourceB; // source buffer B
i16 *sink; // sink buffer
i16 numChanOut; // allows output direct to interleaved buffer
i16 selChanOut;
i32 ticks;
i32 timer;
i32 count;
void *buff; // this structure's internal buffer
i16 *debugBuff0; // debug buffer
i16 *debugBuff1; // debug buffer
i16 *debugBuff2; // debug buffer
i16 *debugBuff3; // debug buffer
i16 nSamples; // number of samples in the buffer
u32 buffSize; // buffer maximum index
u32 buffInIndex; // index to current input point
u32 buffOutIndex; // index to current output point
u32 buffLead; // lead of input over output through cb
i16 decimate; // decimation or interpolation factor (could be put in coef's)
i16 interpolate;
i16 decimator; // like the state this must be saved between calls (could be put in x's)
u32 sampleRate; // in Hz for elements in this structure
u32 freq; // in 0.1 Hz
i16 measPeak; // do measure Peak
i16 amax; // buffer amplitude maximum
i16 amin; // buffer amplitude minimum
i16 apeak; // buffer amplitude peak value (peak to peak)/2
i16 setpt; // amplitude set point for amplitude comparator
i16 hyst; // hysterysis for amplitude comparator
i16 compOut; // amplitude comparator output
i32 discounteru; // amplitude detector integrator discharge counter upper
i32 discounterl; // amplitude detector integrator discharge counter lower
i32 discfactor; // amplitude detector integrator discharge factor
i16 err; // error condition
i16 option; // option / request zero
i16 state; // stopped, start, stopped assumes zero'd
i16 pending;
struct {
unsigned hit:1;
unsigned hitlast:1;
unsigned hita:1;
unsigned hitb:1;
unsigned bithit:1;
unsigned now:1;
unsigned next:1;
unsigned prev:1;
unsigned clock:1;
unsigned hold:1;
unsigned opt1:1;
unsigned opt2:1;
unsigned polarity:1;
unsigned dotting:1;
unsigned lastbitpending:1;
unsigned outzero:1;
unsigned settling:1;
unsigned syncing:1;
}b;
i16 cleared; // output buffer cleared
i16 delay;
i16 decode;
i32 inputGain; // apply to input data ? in Q7.8 format
i32 inputGainB; // apply to input data ? in Q7.8 format
i32 outputGain; // apply to output data ? in Q7.8 format
i16 mixOut;
i16 monoOut;
i16 filterType; // iir, fir, 1, 2, 3, 4 ...
i16 (*sigProc)(struct t_pmr_sps *sps); // function to call
i32 calcAdjust; // final adjustment
i16 nx; // number of x history elements
i16 ncoef; // number of coefficients
i16 size_x; // size of each x history element
i16 size_coef; // size of each coefficient
void *x; // history registers
void *x2; // history registers, 2nd bank
void *coef; // coefficients
void *coef2; // coefficients 2
void *nextSps; // next Sps function
} t_pmr_sps;
struct t_dec_dcs;
struct t_lsd_control;
struct t_decLsd;;
struct t_encLsd;
/*
pmr channel
*/
typedef struct t_pmr_chan
{
i16 index; // which one
i16 devicenum; // belongs to
char *name;
i16 enabled; // enabled/disabled
i16 status; // ok, error, busy, idle, initializing
i16 tracelevel;
i16 tracetype;
u32 tracemask;
i16 nSamplesRx; // max frame size
i16 nSamplesTx;
i32 inputSampleRate; // in S/s 48000
i32 baseSampleRate; // in S/s 8000
i16 inputGain;
i16 inputOffset;
i32 ticks; // time ticks
u32 frameCountRx; // number processed
u32 frameCountTx;
i8 txframelock;
i32 txHangTime;
i32 txHangTimer;
i32 txTurnOff;
i16 txBufferClear;
u32 txfreq;
u32 rxfreq;
i8 txpower;
i32 txsettletime; // in samples
i32 txsettletimer;
i16 rxDC; // average DC value of input
i16 rxSqSet; // carrier squelch threshold
i16 rxSqHyst; // carrier squelch hysterysis
i16 rxRssi; // current Rssi level
i16 rxQuality; // signal quality metric
i16 rxCarrierDetect; // carrier detect
i16 rxCdType;
i16 rxSqVoxAdj;
i16 rxExtCarrierDetect;
i32 inputBlanking; // Tx pulse eliminator
i16 rxDemod; // see enum
i16 txMod; //
i16 rxNoiseSquelchEnable;
i16 rxHpfEnable;
i16 rxDeEmpEnable;
i16 rxCenterSlicerEnable;
i16 rxCtcssDecodeEnable;
i16 rxDcsDecodeEnable;
i16 rxDelayLineEnable;
i16 txHpfEnable;
i16 txLimiterEnable;
i16 txPreEmpEnable;
i16 txLpfEnable;
char radioDuplex;
char *pStr;
// start channel signaling codes source
char *pRxCodeSrc; // source
char *pTxCodeSrc; // source
char *pTxCodeDefault; // source
// end channel signaling codes source
// start signaling code info derived from source
i16 numrxcodes;
i16 numtxcodes;
char *pRxCodeStr; // copied and cut up
char **pRxCode; // pointers to subs
char *pTxCodeStr;
char **pTxCode;
char txctcssdefault[16]; // codes from higher level
char *rxctcssfreqs; // rest are derived from this
char *txctcssfreqs;
char numrxctcssfreqs;
char numtxctcssfreqs;
char *rxctcss[CTCSS_NUM_CODES]; // pointers to each tone in string above
char *txctcss[CTCSS_NUM_CODES];
i16 rxCtcssMap[CTCSS_NUM_CODES];
i8 txcodedefaultsmode;
i16 txctcssdefault_index;
float txctcssdefault_value;
char txctcssfreq[32]; // encode now
char rxctcssfreq[32]; // decode now
// end most of signaling code info derived from source
struct t_lsd_control *pLsdCtl;
i16 rptnum;
i16 area;
char *ukey;
u32 idleinterval;
char turnoffs;
char pplock;
t_dedrift dd;
i16 dummy;
i32 txScramFreq;
i32 rxScramFreq;
i16 gainVoice;
i16 gainSubAudible;
i16 txMixA; // Off, Ctcss, Voice, Composite
i16 txMixB; // Off, Ctcss, Voice, Composite
i16 rxMuting;
i16 rxCpuSaver;
i16 txCpuSaver;
i8 rxSqMode; // 0 open, 1 carrier, 2 coded
i8 cdMethod;
i16 rxSquelchPoint;
i16 rxCarrierPoint;
i16 rxCarrierHyst;
i16 txCtcssTocShift;
i16 txCtcssTocTime;
i8 txTocType;
i16 smode; // ctcss, dcs, lsd
i16 smodecode;
i16 smodewas; // ctcss, dcs, lsd
i32 smodetimer; // in ms
i32 smodetime; // to set in ms
t_dec_ctcss *rxCtcss;
struct t_dec_dcs *decDcs;
struct t_decLsd *decLsd;
struct t_encLsd *pLsdEnc;
i16 clamplitudeDcs;
i16 centerDcs;
u32 dcsBlankingTimer;
i16 dcsDecode; // current dcs decode value
i16 clamplitudeLsd;
i16 centerLsd;
i16 txPttIn; // from external request
i16 txPttOut; // to radio hardware
i16 txPttHid;
i16 bandwidth; // wide/narrow
i16 txCompand; // type
i16 rxCompand; //
i16 txEqRight; // muted, flat, pre-emp limited filtered
i16 txEqLeft;
i16 txPotRight; //
i16 txPotLeft; //
i16 rxPotRight; //
i16 rxPotLeft; //
i16 function;
i16 txState; // off,settling,on,hangtime,turnoff
i16 spsIndex;
t_pmr_sps *spsMeasure; // measurement block
t_pmr_sps *spsRx; // 1st signal processing struct
t_pmr_sps *spsRxLsd;
t_pmr_sps *spsRxLsdNrz;
t_pmr_sps *spsRxDeEmp;
t_pmr_sps *spsRxHpf;
t_pmr_sps *spsRxVox;
t_pmr_sps *spsDelayLine; // Last signal processing struct
t_pmr_sps *spsRxOut; // Last signal processing struct
t_pmr_sps *spsTx; // 1st signal processing struct
t_pmr_sps *spsTxOutA; // Last signal processing struct
t_pmr_sps *spsTxOutB; // Last signal processing struct
t_pmr_sps *spsSigGen0; // ctcss
t_pmr_sps *spsSigGen1; // test and other tones
t_pmr_sps *spsLsdGen;
t_pmr_sps *spsTxLsdLpf;
// tune tweaks
i32 rxVoxTimer; // Vox Hang Timer
i16 *prxSquelchAdjust;
// i16 *prxNoiseMeasure; // for autotune
// i32 *prxNoiseAdjust;
i16 *prxVoiceMeasure;
i32 *prxVoiceAdjust;
i16 *prxCtcssMeasure;
i32 *prxCtcssAdjust;
i16 *ptxVoiceAdjust; // from calling application
i32 *ptxCtcssAdjust; // from calling application
i32 *ptxLimiterAdjust; // from calling application
struct {
unsigned pmrNoiseSquelch:1;
unsigned rxHpf:1;
unsigned txHpf:1;
unsigned txLpf:1;
unsigned rxDeEmphasis:1;
unsigned txPreEmphasis:1;
unsigned startSpecialTone:1;
unsigned stopSpecialTone:1;
unsigned doingSpecialTone:1;
unsigned extCarrierDetect:1;
unsigned txCapture:1;
unsigned rxCapture:1;
unsigned reprog:1;
unsigned radioactive:1;
unsigned rxplmon:1;
unsigned remoted:1;
unsigned loopback:1;
unsigned rxpolarity:1;
unsigned txpolarity:1;
unsigned dcsrxpolarity:1;
unsigned dcstxpolarity:1;
unsigned lsdrxpolarity:1;
unsigned lsdtxpolarity:1;
unsigned txsettling:1;
unsigned smodeturnoff:1;
unsigned ctcssRxEnable:1;
unsigned ctcssTxEnable:1;
unsigned dcsRxEnable:1;
unsigned dcsTxEnable:1;
unsigned lmrRxEnable:1;
unsigned lmrTxEnable:1;
unsigned mdcRxEnable:1;
unsigned mdcTxEnable:1;
unsigned dstRxEnable:1;
unsigned dstTxEnable:1;
unsigned p25RxEnable:1;
unsigned p25TxEnable:1;
unsigned ax25Enable:1;
unsigned txCtcssInhibit:1;
unsigned rxkeyed:1;
unsigned rxhalted:1;
unsigned txhalted:1;
unsigned pptp_p1:1;
unsigned pptp_p2:1;
unsigned tuning:1;
unsigned pttwas:1;
}b;
i16 *pRxDemod; // buffers
i16 *pRxBase; // decimated lpf input
i16 *pRxNoise;
i16 *pRxLsd; // subaudible only
i16 *pRxHpf; // subaudible removed
i16 *pRxDeEmp; // EIA Audio
i16 *pRxSpeaker; // EIA Audio
i16 *pRxDcTrack; // DC Restored LSD
i16 *pRxLsdLimit; // LSD Limited
i16 *pRxCtcss; //
i16 *pRxSquelch;
i16 *prxVoxMeas;
i16 *prxMeasure;
i16 *pTxInput; // input data
i16 *pTxBase; // input data
i16 *pTxHpf;
i16 *pTxPreEmp;
i16 *pTxLimiter;
i16 *pTxLsd;
i16 *pTxLsdLpf;
i16 *pTxComposite;
i16 *pTxMod; // upsampled, low pass filtered
i16 *pTxOut; //
i16 *pSigGen0;
i16 *pSigGen1;
i16 *pAlt0;
i16 *pAlt1;
i16 *pNull;
#if XPMR_DEBUG0 == 1
i16 *pRxLsdCen;
i16 *pTstTxOut;
i16 *prxDebug; // consolidated debug buffer
i16 *ptxDebug; // consolidated debug buffer
i16 *prxDebug0;
i16 *prxDebug1;
i16 *prxDebug2;
i16 *prxDebug3;
i16 *ptxDebug0;
i16 *ptxDebug1;
i16 *ptxDebug2;
i16 *ptxDebug3;
#endif
i16 numDebugChannels;
t_sdbg *sdbg;
} t_pmr_chan;
/*
function prototype declarations
*/
void strace(i16 point, t_sdbg *sdbg, i16 index, i16 value);
void strace2(t_sdbg *sdbg);
static i16 TxTestTone(t_pmr_chan *pChan, i16 function);
t_pmr_chan *createPmrChannel(t_pmr_chan *tChan, i16 numSamples);
t_pmr_sps *createPmrSps(t_pmr_chan *pChan);
i16 destroyPmrChannel(t_pmr_chan *pChan);
i16 destroyPmrSps(t_pmr_sps *pSps);
i16 pmr_rx_frontend(t_pmr_sps *mySps);
i16 pmr_gp_fir(t_pmr_sps *mySps);
i16 pmr_gp_iir(t_pmr_sps *mySps);
i16 gp_inte_00(t_pmr_sps *mySps);
i16 gp_diff(t_pmr_sps *mySps);
i16 CenterSlicer(t_pmr_sps *mySps);
i16 ctcss_detect(t_pmr_chan *pmrChan);
i16 SoftLimiter(t_pmr_sps *mySps);
i16 SigGen(t_pmr_sps *mySps);
i16 pmrMixer(t_pmr_sps *mySps);
i16 DelayLine(t_pmr_sps *mySps);
i16 PmrRx(t_pmr_chan *PmrChan, i16 *input, i16 *outputrx, i16 *outputtx );
i16 PmrTx(t_pmr_chan *PmrChan, i16 *input);
i16 string_parse(char *src, char **dest, char ***ptrs);
i16 code_string_parse(t_pmr_chan *pChan);
i16 CtcssFreqIndex(float freq);
i16 MeasureBlock(t_pmr_sps *mySps);
void dedrift (t_pmr_chan *pChan);
void dedrift_write (t_pmr_chan *pChan, i16 *src);
void ppspiout (u32 spidata);
void progdtx (t_pmr_chan *pChan);
void ppbinout (u8 chan);
#if XPMR_PPTP == 1
void pptp_init (void);
void pptp_write (i16 bit, i16 state);
#endif
#endif /* ! XPMR_H */
/* end of file */
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