diff options
Diffstat (limited to 'gsm-tvoid/src/lib')
| -rwxr-xr-x | gsm-tvoid/src/lib/Makefile.am | 4 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm.i | 25 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst.cc | 99 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst.h | 54 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst_cf.cc | 109 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst_cf.h | 10 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst_ff.cc | 37 | ||||
| -rwxr-xr-x | gsm-tvoid/src/lib/gsm_burst_ff.h | 6 |
8 files changed, 223 insertions, 121 deletions
diff --git a/gsm-tvoid/src/lib/Makefile.am b/gsm-tvoid/src/lib/Makefile.am index f4072d9..e8f093f 100755 --- a/gsm-tvoid/src/lib/Makefile.am +++ b/gsm-tvoid/src/lib/Makefile.am @@ -47,7 +47,8 @@ _gsm_la_SOURCES = \ gsm.cc \ gsm_burst.cc \ gsm_burst_ff.cc \ - gsm_burst_cf.cc + gsm_burst_cf.cc \ + gsm_burst_sink_c.cc # magic flags @@ -74,6 +75,7 @@ grinclude_HEADERS = \ system.h \ gsm_burst_ff.h \ gsm_burst_cf.h \ + gsm_burst_sink_c.h \ gsm_constants.h diff --git a/gsm-tvoid/src/lib/gsm.i b/gsm-tvoid/src/lib/gsm.i index d990e8b..106e378 100755 --- a/gsm-tvoid/src/lib/gsm.i +++ b/gsm-tvoid/src/lib/gsm.i @@ -9,6 +9,7 @@ //#include "gsm_burst.h" #include "gsm_burst_ff.h" #include "gsm_burst_cf.h" +#include "gsm_burst_sink_c.h" //#include <stdexcept> %} @@ -43,6 +44,10 @@ #define CLK_CORR_TRACK 0x00000010 //adjust timing based on correlation offsets +#define BURST_CB_SYNC_OFFSET 1 +#define BURST_CB_ADJ_OFFSET 2 +#define BURST_CB_TUNE 3 + //EQ options enum EQ_TYPE { EQ_NONE, @@ -73,6 +78,8 @@ public: long d_unknown_count; long d_total_count; + long next_arfcn; + int sync_state(); float last_freq_offset(void); double mean_freq_offset(void); @@ -81,24 +88,32 @@ public: void full_reset(void); protected: - gsm_burst(); + gsm_burst(gr_feval_ll *); }; GR_SWIG_BLOCK_MAGIC(gsm,burst_ff); -gsm_burst_ff_sptr gsm_make_burst_ff (); +gsm_burst_ff_sptr gsm_make_burst_ff (gr_feval_ll *); class gsm_burst_ff : public gr_block, public gsm_burst { private: - gsm_burst_ff (); + gsm_burst_ff (gr_feval_ll *); }; GR_SWIG_BLOCK_MAGIC(gsm,burst_cf); -gsm_burst_cf_sptr gsm_make_burst_cf (float); +gsm_burst_cf_sptr gsm_make_burst_cf (gr_feval_ll *,float); class gsm_burst_cf : public gr_block, public gsm_burst { private: - gsm_burst_cf (float); + gsm_burst_cf (gr_feval_ll *,float); +}; + +GR_SWIG_BLOCK_MAGIC(gsm,burst_sink_c); +gsm_burst_sink_c_sptr gsm_make_burst_sink_c(gr_feval_ll *,float); + +class gsm_burst_sink_c : public gr_sync_block, public gsm_burst { +private: + gsm_burst_sink_c (gr_feval_ll *,float); }; diff --git a/gsm-tvoid/src/lib/gsm_burst.cc b/gsm-tvoid/src/lib/gsm_burst.cc index b862d69..c7f0acc 100755 --- a/gsm-tvoid/src/lib/gsm_burst.cc +++ b/gsm-tvoid/src/lib/gsm_burst.cc @@ -13,12 +13,15 @@ #include "gsmstack.h" -gsm_burst::gsm_burst () : +gsm_burst::gsm_burst (gr_feval_ll *t) : + p_tuner(t), d_clock_options(DEFAULT_CLK_OPTS), d_print_options(0), d_equalizer_type(EQ_FIXED_DFE) { +// fprintf(stderr,"gsm_burst: enter constructor (t=%8.8x)\n",(unsigned int)t); + // M_PI = M_PI; //4.0 * atan(1.0); full_reset(); @@ -194,7 +197,17 @@ void gsm_burst::print_burst(void) int print = 0; //fprintf(stderr,"p=%8.8X ", d_print_options); - + + if ( PRINT_GSM_DECODE & d_print_options ) { + + /* + * Pass information to GSM stack. GSM stack will try to extract + * information (fn, layer 2 messages, ...) + */ + diff_decode_burst(); + GS_process(&d_gs_ctx, d_ts, d_burst_type, d_decoded_burst); + } + if ( PRINT_EVERYTHING == d_print_options ) print = 1; else if ( (!d_ts) && (d_print_options & PRINT_TS0) ) @@ -221,18 +234,7 @@ void gsm_burst::print_burst(void) fprintf(stderr," "); } - - if ( PRINT_GSM_DECODE == d_print_options ) { - - /* - * Pass information to GSM stack. GSM stack will try to extract - * information (fn, layer 2 messages, ...) - */ - diff_decode_burst(); - GS_process(&d_gs_ctx, d_ts, d_burst_type, d_decoded_burst); - } - if (print) { fprintf(stderr,"%d/%d/%+d/%lu/%lu ", @@ -275,7 +277,7 @@ void gsm_burst::print_burst(void) break; } - fprintf(stderr,"\n"); + fprintf(stderr,"\n"); //print the correlation pattern for visual inspection @@ -348,14 +350,15 @@ void gsm_burst::shift_burst(int shift_bits) //of the mean phase from pi/2. void gsm_burst::calc_freq_offset(void) { - int start = d_burst_start + 10; - int end = d_burst_start + USEFUL_BITS - 10; + const int padding = 20; + int start = d_burst_start + padding; + int end = d_burst_start + USEFUL_BITS - padding; float sum = 0.0; for (int j = start; j <= end; j++) { sum += d_burst_buffer[j]; } - float mean = sum / ((float)USEFUL_BITS - 20.0); + float mean = sum / ((float)USEFUL_BITS - (2.0 * (float)padding) ); float p_off = mean - (M_PI / 2); d_freq_offset = p_off * 1625000.0 / (12.0 * M_PI); @@ -466,7 +469,8 @@ float gsm_burst::correlate_pattern(const float *pattern,const int pat_size,const corr = 0.0; for (int i = 1; i < pat_size; i++) { //Start a 1 to skip first bit due to diff encoding //d_corr[j+distance] += d_burst_buffer[center+i+j] * pattern[i]; - corr += SIGNUM(d_burst_buffer[center+i+j]) * pattern[i]; //binary corr/sliced + //corr += SIGNUM(d_burst_buffer[center+i+j]) * pattern[i]; //binary corr/sliced + corr += d_burst_buffer[center+i+j] * pattern[i]; } corr /= pat_size - 1; //normalize, -1 for skipped first bit if (corr > d_corr_max) { @@ -609,8 +613,9 @@ int gsm_burst::get_burst(void) case PARTIAL_SCH: d_sync_state = WAIT_SCH; break; - case SCH: - d_sync_state = SYNCHRONIZED; + //case SCH: + //let the burst type switch handle this so it knows if new or old sync + // d_sync_state = SYNCHRONIZED; break; default: break; @@ -645,6 +650,18 @@ int gsm_burst::get_burst(void) d_ts = 0; //TODO: check this break; case SCH: +#ifndef TEST_TUNE_TIMING + //TODO: it would be better to adjust tuning on first FCCH (for better SCH detection), + // but tuning can run away with false FCCHs + // Some logic to retune back to original offset on false FCCH might work + if (p_tuner) { + if (SYNCHRONIZED == d_sync_state) + p_tuner->calleval(BURST_CB_ADJ_OFFSET); + else + p_tuner->calleval(BURST_CB_SYNC_OFFSET); + + } +#endif d_burst_count++; d_sch_count++; d_last_sch = d_burst_count; @@ -672,7 +689,6 @@ int gsm_burst::get_burst(void) d_last_good = d_burst_count; } - //Check for loss of sync int bursts_since_good = d_burst_count - d_last_good; if (bursts_since_good > MAX_SYNC_WAIT) { @@ -686,6 +702,47 @@ int gsm_burst::get_burst(void) //print info print_burst(); + ///////////////////// + //start tune testing +#ifdef TEST_TUNE_TIMING + + static int good_count = -1; //-1: wait sch, >=0: got sch, counting + static int wait_count = 0; + + if (UNKNOWN == d_burst_type) { + if (good_count >= 0) { + fprintf(stdout,"good_count: %d\n",good_count); + + if (p_tuner) { + next_arfcn = TEST_TUNE_GOOD_ARFCN; + p_tuner->calleval(BURST_CB_TUNE); + } + } + good_count = -1; // start again at resync + + } else { + + if (good_count >= 0 ) { + good_count++; + } + + if (SCH == d_burst_type) { + if ((good_count < 0) && (++wait_count > 20)) { // get some good syncs before trying again + fprintf(stdout,"restarting good_count\n"); + good_count = wait_count = 0; + //tune away + if (p_tuner) { + next_arfcn = TEST_TUNE_EMPTY_ARFCN; + p_tuner->calleval(BURST_CB_TUNE); + } + } + } + } +#endif + //end tune testing + ///////////////////// + + //Adjust the buffer write position to align on MAX_CORR_DIST if ( d_clock_options & CLK_CORR_TRACK ) d_bbuf_pos += MAX_CORR_DIST - d_burst_start; diff --git a/gsm-tvoid/src/lib/gsm_burst.h b/gsm-tvoid/src/lib/gsm_burst.h index def20e0..48fafac 100755 --- a/gsm-tvoid/src/lib/gsm_burst.h +++ b/gsm-tvoid/src/lib/gsm_burst.h @@ -8,10 +8,15 @@ #include "gsm_constants.h" #include <gr_math.h> -//#include <Python.h> //for callback testing #include <gr_feval.h> #include "gsmstack.h" +//Testing Modes +//Tune test measures hopping latency by hopping between good and empty ARFCNs +#undef TEST_TUNE_TIMING +#define TEST_TUNE_GOOD_ARFCN 658 +#define TEST_TUNE_EMPTY_ARFCN 655 + //Console printing options #define PRINT_NOTHING 0x00000000 @@ -73,13 +78,18 @@ enum EQ_TYPE { EQ_VITERBI }; +#define BURST_CB_SYNC_OFFSET 1 +#define BURST_CB_ADJ_OFFSET 2 +#define BURST_CB_TUNE 3 + + class gsm_burst; class gsm_burst { protected: - gsm_burst(); + gsm_burst(gr_feval_ll *t); //Burst Buffer: Storage for burst data float d_burst_buffer[BBUF_SIZE]; @@ -116,30 +126,33 @@ protected: double d_freq_off_sum; double d_freq_off_weight; + gr_feval_ll *p_tuner; + //////// Methods int get_burst(void); BURST_TYPE get_fcch_burst(void); BURST_TYPE get_sch_burst(void); BURST_TYPE get_norm_burst(void); - void shift_burst(int); - void calc_freq_offset(void); - void equalize(void); - float correlate_pattern(const float *,const int,const int,const int); - void diff_decode_burst(void); + virtual void shift_burst(int); + void calc_freq_offset(void); + virtual void equalize(void); + float correlate_pattern(const float *,const int,const int,const int); + void diff_decode_burst(void); - void sync_reset(void); + void sync_reset(void); - void print_bits(const float *data,int length); - void print_hex(const unsigned char *data,int length); - void soft2hardbit(char *dst, const float *data, int len); - void print_burst(void); + void print_bits(const float *data,int length); + void print_hex(const unsigned char *data,int length); - void diff_encode(const float *in,float *out,int length,float lastbit = 1.0); - void diff_decode(const float *in,float *out,int length,float lastbit = 1.0); +// void soft2hardbit(char *dst, const float *data, int len); //need this? + void print_burst(void); + + void diff_encode(const float *in,float *out,int length,float lastbit = 1.0); + void diff_decode(const float *in,float *out,int length,float lastbit = 1.0); public: - ~gsm_burst (); + virtual ~gsm_burst (); ////// General Stats //TODO: Maybe there should be a burst_stats class? @@ -157,12 +170,17 @@ public: unsigned long d_print_options; EQ_TYPE d_equalizer_type; - int sync_state() { return d_sync_state;} - float last_freq_offset() {return d_freq_offset;} - double mean_freq_offset(void); //Methods void full_reset(void); + + int sync_state() { return d_sync_state;} + + //Frequency + float last_freq_offset() {return d_freq_offset;} + double mean_freq_offset(void); + + long next_arfcn; }; diff --git a/gsm-tvoid/src/lib/gsm_burst_cf.cc b/gsm-tvoid/src/lib/gsm_burst_cf.cc index a91c569..a584cd6 100755 --- a/gsm-tvoid/src/lib/gsm_burst_cf.cc +++ b/gsm-tvoid/src/lib/gsm_burst_cf.cc @@ -9,21 +9,23 @@ #include <stdio.h> #include <gri_mmse_fir_interpolator_cc.h> -gsm_burst_cf_sptr gsm_make_burst_cf (float sample_rate) +gsm_burst_cf_sptr gsm_make_burst_cf (gr_feval_ll *t,float sample_rate) { - return gsm_burst_cf_sptr (new gsm_burst_cf (sample_rate)); + return gsm_burst_cf_sptr (new gsm_burst_cf (t,sample_rate)); } static const int MIN_IN = 1; // minimum number of input streams static const int MAX_IN = 1; // maximum number of input streams -static const int MIN_OUT = 1; // minimum number of output streams +static const int MIN_OUT = 0; // minimum number of output streams static const int MAX_OUT = 1; // maximum number of output streams -gsm_burst_cf::gsm_burst_cf (float sample_rate) : +gsm_burst_cf::gsm_burst_cf (gr_feval_ll *t, float sample_rate) : + gsm_burst(t), gr_block ( "burst_cf", gr_make_io_signature (MIN_IN, MAX_IN, sizeof (gr_complex)), gr_make_io_signature (MIN_OUT, MAX_OUT, USEFUL_BITS * sizeof (float))), d_clock_counter(0.0), + d_mu(0.5), d_last_sample(0.0,0.0), d_interp(new gri_mmse_fir_interpolator_cc()) @@ -36,7 +38,7 @@ gsm_burst_cf::gsm_burst_cf (float sample_rate) : fprintf(stderr,"Sample interval : %e\n",d_sample_interval); fprintf(stderr,"Relative sample rate : %g\n",d_relative_sample_rate); - set_history(4); + set_history(4); //need history for interpolator } @@ -63,41 +65,39 @@ int gsm_burst_cf::general_work (int noutput_items, int ii=0; int rval = 0; //default to no output + int do_output = output_items.size() > 0 ? 1 : 0; int ninput = ninput_items[0]; //fprintf(stderr,"#i=%d/#o=%d",n_input,noutput_items); - int ni = ninput - d_interp->ntaps(); // interpolator need -4/+3 samples NTAPS = 8 + int ni = ninput - d_interp->ntaps() - 16; // interpolator need -4/+3 samples NTAPS = 8 , - 16 for safety margin while (( rval < noutput_items) && ( ii < ni ) ) { //clock symbols //TODO: this is very basic and can be improved. Need tracking... //TODO: use burst_start offsets as timing feedback //TODO: save complex samples for Viterbi EQ - if ( d_clock_counter >= GSM_SYMBOL_PERIOD) { - - d_clock_counter -= GSM_SYMBOL_PERIOD; //reset clock for next sample, keep the remainder - - //float mu = 1.0 - d_clock_counter / GSM_SYMBOL_PERIOD; - float mu = d_clock_counter / GSM_SYMBOL_PERIOD; - gr_complex sample = d_interp->interpolate (&in[ii], mu); //FIXME: this seems noisy, make sure it is being used correctly + + //from m&m + gr_complex sample = d_interp->interpolate (&in[ii], d_mu); //FIXME: this seems noisy, make sure it is being used correctly + + gr_complex conjprod = sample * conj(d_last_sample); + float diff_angle = gr_fast_atan2f(imag(conjprod), real(conjprod)); - gr_complex conjprod = sample * conj(d_last_sample); - float diff_angle = gr_fast_atan2f(imag(conjprod), real(conjprod)); + d_last_sample = sample; - d_last_sample = sample; - - assert(d_bbuf_pos <= BBUF_SIZE ); - - if (d_bbuf_pos >= 0) //could be negative offset from burst alignment. TODO: perhaps better just to add some padding to the buffer - d_burst_buffer[d_bbuf_pos] = diff_angle; - - d_bbuf_pos++; - - if ( d_bbuf_pos >= BBUF_SIZE ) { - - if (get_burst()) { - //found a burst, send to output + assert(d_bbuf_pos <= BBUF_SIZE ); + + if (d_bbuf_pos >= 0) //could be negative offset from burst alignment. TODO: perhaps better just to add some padding to the buffer + d_burst_buffer[d_bbuf_pos] = diff_angle; + + d_bbuf_pos++; + + if ( d_bbuf_pos >= BBUF_SIZE ) { + + if (get_burst()) { + //found a burst, send to output + if (do_output) { //ensure that output data is in range int b = d_burst_start; if (b < 0) @@ -106,31 +106,36 @@ int gsm_burst_cf::general_work (int noutput_items, b = 2 * MAX_CORR_DIST - 1; memcpy(out+rval*USEFUL_BITS, d_burst_buffer + b, USEFUL_BITS*sizeof(float)); - rval++; - - switch ( d_clock_options & QB_MASK ) { - case QB_QUARTER: //extra 1/4 bit each burst - d_clock_counter -= GSM_SYMBOL_PERIOD / 4.0; - break; - case QB_FULL04: //extra bit on timeslot 0 & 4 - if (!(d_ts%4)) - d_clock_counter -= GSM_SYMBOL_PERIOD; - break; - case QB_NONE: //don't adjust for quarter bits at all - default: - break; - } - - d_last_burst_s_count = d_sample_count; - - //fprintf(stderr,"clock: %f, pos: %d\n",d_clock_counter,d_bbuf_pos); } - } - } - - d_clock_counter += d_sample_interval; - d_sample_count++; - ii++; + rval++; + + switch ( d_clock_options & QB_MASK ) { + case QB_QUARTER: //extra 1/4 bit each burst + d_mu -= d_relative_sample_rate / 4.0; + //d_clock_counter -= GSM_SYMBOL_PERIOD / 4.0; + break; + case QB_FULL04: //extra bit on timeslot 0 & 4 + if (!(d_ts%4)) + d_mu -= d_relative_sample_rate; + //d_clock_counter -= GSM_SYMBOL_PERIOD; + break; + case QB_NONE: //don't adjust for quarter bits at all + default: + break; + } + + d_last_burst_s_count = d_sample_count; + + //fprintf(stderr,"clock: %f, pos: %d\n",d_clock_counter,d_bbuf_pos); + } + } + + //TODO: timing adjust + //d_mu = d_mu + d_omega + d_gain_mu * mm_val; + d_mu += d_relative_sample_rate; + ii += (int)floor(d_mu); + d_sample_count += (int)floor(d_mu); + d_mu -= floor(d_mu); } //fprintf(stderr,"/ii=%d/rval=%d\n",ii,rval); diff --git a/gsm-tvoid/src/lib/gsm_burst_cf.h b/gsm-tvoid/src/lib/gsm_burst_cf.h index 33f61f6..40ccc83 100755 --- a/gsm-tvoid/src/lib/gsm_burst_cf.h +++ b/gsm-tvoid/src/lib/gsm_burst_cf.h @@ -8,7 +8,7 @@ class gsm_burst_cf; typedef boost::shared_ptr<gsm_burst_cf> gsm_burst_cf_sptr; -gsm_burst_cf_sptr gsm_make_burst_cf(float); +gsm_burst_cf_sptr gsm_make_burst_cf(gr_feval_ll *,float); class gri_mmse_fir_interpolator_cc; @@ -16,15 +16,17 @@ class gsm_burst_cf : public gr_block, public gsm_burst { private: - friend gsm_burst_cf_sptr gsm_make_burst_cf(float); - gsm_burst_cf(float); + friend gsm_burst_cf_sptr gsm_make_burst_cf(gr_feval_ll *,float); + gsm_burst_cf(gr_feval_ll *,float); //clocking parameters - float d_relative_sample_rate; double d_sample_interval; double d_clock_counter; gr_complex d_last_sample; + float d_relative_sample_rate; //omega + float d_mu; + gri_mmse_fir_interpolator_cc *d_interp; //sub-sample interpolator from GR public: diff --git a/gsm-tvoid/src/lib/gsm_burst_ff.cc b/gsm-tvoid/src/lib/gsm_burst_ff.cc index 2980829..dd449f1 100755 --- a/gsm-tvoid/src/lib/gsm_burst_ff.cc +++ b/gsm-tvoid/src/lib/gsm_burst_ff.cc @@ -9,17 +9,18 @@ #include <stdio.h> #include <gri_mmse_fir_interpolator_cc.h> -gsm_burst_ff_sptr gsm_make_burst_ff () +gsm_burst_ff_sptr gsm_make_burst_ff (gr_feval_ll *t) { - return gsm_burst_ff_sptr (new gsm_burst_ff()); + return gsm_burst_ff_sptr (new gsm_burst_ff(t)); } static const int MIN_IN = 1; // minimum number of input streams static const int MAX_IN = 1; // maximum number of input streams -static const int MIN_OUT = 1; // minimum number of output streams +static const int MIN_OUT = 0; // minimum number of output streams static const int MAX_OUT = 1; // maximum number of output streams -gsm_burst_ff::gsm_burst_ff () : +gsm_burst_ff::gsm_burst_ff (gr_feval_ll *t) : + gsm_burst(t), gr_block( "burst_ff", gr_make_io_signature (MIN_IN, MAX_IN, sizeof (float)), gr_make_io_signature (MIN_OUT, MAX_OUT, USEFUL_BITS * sizeof (float))) @@ -37,7 +38,7 @@ void gsm_burst_ff::forecast (int noutput_items, gr_vector_int &ninput_items_requ { unsigned ninputs = ninput_items_required.size (); for (unsigned i = 0; i < ninputs; i++) - ninput_items_required[i] = noutput_items * BBUF_SIZE + history(); + ninput_items_required[i] = noutput_items * BBUF_SIZE; } @@ -51,9 +52,10 @@ int gsm_burst_ff::general_work (int noutput_items, int ii=0; int rval = 0; //default to no output - + int do_output = output_items.size() > 0 ? 1 : 0; + int n_input = ninput_items[0]; - //fprintf(stderr,"#i=%d/#o=%d",n_input,noutput_items); +// fprintf(stderr,"out=%8.8x/#i=%d/#o=%d",(unsigned)out,n_input,noutput_items); while (( rval < noutput_items) && ( ii < n_input ) ) { @@ -68,15 +70,16 @@ int gsm_burst_ff::general_work (int noutput_items, if (get_burst()) { //found a burst, send to output - - //ensure that output data is in range - int b = d_burst_start; - if (b < 0) - b = 0; - else if (b >= 2 * MAX_CORR_DIST) - b = 2 * MAX_CORR_DIST - 1; - - memcpy(out+rval*USEFUL_BITS, d_burst_buffer + b, USEFUL_BITS*sizeof(float)); + if (do_output) { + //ensure that output data is in range + int b = d_burst_start; + if (b < 0) + b = 0; + else if (b >= 2 * MAX_CORR_DIST) + b = 2 * MAX_CORR_DIST - 1; + + memcpy(out+rval*USEFUL_BITS, d_burst_buffer + b, USEFUL_BITS*sizeof(float)); + } rval++; switch ( d_clock_options & QB_MASK ) { @@ -98,7 +101,7 @@ int gsm_burst_ff::general_work (int noutput_items, ii++; } - //fprintf(stderr,"/ii=%d/rval=%d\n",ii,rval); +// fprintf(stderr,"/ii=%d/rval=%d\n",ii,rval); consume_each (ii); diff --git a/gsm-tvoid/src/lib/gsm_burst_ff.h b/gsm-tvoid/src/lib/gsm_burst_ff.h index 30c10dc..8ca61ef 100755 --- a/gsm-tvoid/src/lib/gsm_burst_ff.h +++ b/gsm-tvoid/src/lib/gsm_burst_ff.h @@ -8,14 +8,14 @@ class gsm_burst_ff; typedef boost::shared_ptr<gsm_burst_ff> gsm_burst_ff_sptr; -gsm_burst_ff_sptr gsm_make_burst_ff(); +gsm_burst_ff_sptr gsm_make_burst_ff(gr_feval_ll *); class gsm_burst_ff : public gr_block, public gsm_burst { private: - friend gsm_burst_ff_sptr gsm_make_burst_ff(); - gsm_burst_ff(); + friend gsm_burst_ff_sptr gsm_make_burst_ff(gr_feval_ll *); + gsm_burst_ff(gr_feval_ll *t); public: ~gsm_burst_ff (); |