kopia lustrzana https://github.com/ha7ilm/csdr
Made new bpsk_costas_loop_cc, added add_const_cc, added new parameters to timing_recvery_cc
ha7ilm
rodzic
84d23227f3
commit
efbe28cbfd
2
Makefile
2
Makefile
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@ -98,3 +98,5 @@ emcc-beautify:
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bash -c 'type js-beautify >/dev/null 2>&1; if [ $$? -eq 0 ]; then js-beautify sdr.js/sdr.js >sdr.js/sdr.js.beautiful; mv sdr.js/sdr.js.beautiful sdr.js/sdr.js; fi'
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codequality:
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@bash -c 'if [ `cat csdr.c | grep badsyntax | grep -v return | wc -l` -ne 1 ]; then echo "error at code quality check: badsyntax() used in csdr.c without return."; exit 1; else exit 0; fi'
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v:
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vim csdr.c libcsdr.c
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77
csdr.c
77
csdr.c
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@ -124,7 +124,7 @@ char usage[]=
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" rtty_baudot2ascii_u8_u8\n"
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" serial_line_decoder_u8_u8\n"
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" octave_complex_c <samples_to_plot> <out_of_n_samples>\n"
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" timing_recovery_cc <algorithm> <decimation> [--add_q [--output_error | --output_indexes | --octave <debug_n>]] \n"
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" timing_recovery_cc <algorithm> <decimation> [mu [--add_q [--output_error | --output_indexes | --octave <debug_n>]]] \n"
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" psk31_varicode_encoder_u8_u8\n"
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" psk31_varicode_decoder_u8_u8\n"
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" differential_encoder_u8_u8\n"
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@ -133,7 +133,7 @@ char usage[]=
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" psk_modulator_u8_c <n_psk>\n"
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" psk31_interpolate_sine_cc <interpolation>\n"
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" duplicate_samples_ntimes_u8_u8 <sample_size_bytes> <ntimes>\n"
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" bpsk_costas_loop_cc <samples_per_bits>\n"
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" bpsk_costas_loop_cc <loop_bandwidth> <damping_factor> <gain> [--dd | --decision_directed]\n"
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" binary_slicer_f_u8\n"
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" simple_agc_cc <rate> [reference [max_gain]]\n"
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" firdes_resonator_c <rate> <length> [window [--octave]]\n"
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@ -148,6 +148,7 @@ char usage[]=
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" add_n_zero_samples_at_beginning_f <n_zero_samples>\n"
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" generic_slicer_f_u8 <n_symbols>\n"
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" plain_interpolate_cc <n_symbols>\n"
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" add_const_cc <i> <q>\n"
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" ?<search_the_function_list>\n"
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" =<evaluate_python_expression>\n"
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" \n"
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@ -396,7 +397,7 @@ int main(int argc, char *argv[])
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clone_(the_bufsize); //After sending the buffer size out, just copy stdin to stdout
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}
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if(!strcmp(argv[1],"clone"))
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if(!strcmp(argv[1],"clone") || !strcmp(argv[1],"REM"))
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{
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if(!sendbufsize(initialize_buffers())) return -2;
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clone_(the_bufsize);
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@ -2525,7 +2526,7 @@ int main(int argc, char *argv[])
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}
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}
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if(!strcmp(argv[1],"timing_recovery_cc")) //<algorithm> <decimation> [--add_q [--output_error | --output_indexes | --octave <debug_n>]]
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if(!strcmp(argv[1],"timing_recovery_cc")) //<algorithm> <decimation> [loop_gain [max_error [--add_q] [--output_error | --output_indexes | --octave <debug_n>]]]
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{
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if(argc<=2) return badsyntax("need required parameter (algorithm)");
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timing_recovery_algorithm_t algorithm = timing_recovery_get_algorithm_from_string(argv[2]);
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@ -2536,26 +2537,32 @@ int main(int argc, char *argv[])
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sscanf(argv[3],"%d",&decimation);
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if(decimation<=4 || decimation&3) return badsyntax("decimation factor should be a positive integer divisible by 4");
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int add_q = (argc>=5 && !strcmp(argv[4], "--add_q"));
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float loop_gain = 0.5;
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if(argc>4) sscanf(argv[4],"%f",&loop_gain);
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float max_error = 2;
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if(argc>5) sscanf(argv[5],"%f",&max_error);
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int add_q = !!(argc>=7 && !strcmp(argv[6], "--add_q"));
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int debug_n = 0;
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int output_error = 0;
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int output_indexes = 0;
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if(argc>=7 && !strcmp(argv[5], "--octave")) debug_n = atoi(argv[6]);
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if(argc+add_q>=8 && !strcmp(argv[6+add_q], "--octave")) debug_n = atoi(argv[7+add_q]);
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if(debug_n<0) return badsyntax("debug_n should be >= 0");
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if(argc>=6 && !strcmp(argv[5], "--output_error")) output_error = 1;
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if(argc>=(8+add_q) && !strcmp(argv[7+add_q], "--output_error")) output_error = 1;
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float* timing_error = NULL;
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if(output_error) timing_error = (float*)malloc(sizeof(float)*the_bufsize);
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if(argc>=6 && !strcmp(argv[5], "--output_indexes")) output_indexes = 1;
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if(argc>=(8+add_q) && !strcmp(argv[7+add_q], "--output_indexes")) output_indexes = 1;
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unsigned* sampled_indexes = NULL;
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if(output_indexes) sampled_indexes = (unsigned*)malloc(sizeof(float)*the_bufsize);
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if(!initialize_buffers()) return -2;
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sendbufsize(the_bufsize/decimation);
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timing_recovery_state_t state = timing_recovery_init(algorithm, decimation, add_q);
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timing_recovery_state_t state = timing_recovery_init(algorithm, decimation, add_q, loop_gain, max_error);
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int debug_i=0;
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state.debug_writefiles = 1;
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@ -2756,14 +2763,24 @@ int main(int argc, char *argv[])
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}
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}
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if(!strcmp(argv[1],"bpsk_costas_loop_cc")) //<samples_per_bits>
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if(!strcmp(argv[1],"bpsk_costas_loop_cc")) //<loop_bandwidth> <damping_factor> <gain> [--dd | --decision_directed]
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{
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float samples_per_bits;
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if(argc<=2) return badsyntax("need required parameter (samples_per_bits)");
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sscanf(argv[2],"%f",&samples_per_bits);
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if(samples_per_bits<=0) return badsyntax("samples_per_bits should be > 0");
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float loop_bandwidth;
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if(argc<=2) return badsyntax("need required parameter (loop_bandwidth)");
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sscanf(argv[2],"%f",&loop_bandwidth);
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bpsk_costas_loop_state_t state = init_bpsk_costas_loop_cc(samples_per_bits);
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float damping_factor;
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if(argc<=3) return badsyntax("need required parameter (damping_factor)");
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sscanf(argv[3],"%f",&damping_factor);
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float gain;
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if(argc<=4) return badsyntax("need required parameter (gain)");
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sscanf(argv[4],"%f",&gain);
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int decision_directed = !!(argc>5 && (!strcmp(argv[5], "--dd") || !strcmp(argv[5], "--decision_directed")));
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bpsk_costas_loop_state_t state;
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init_bpsk_costas_loop_cc(&state, decision_directed, damping_factor, loop_bandwidth, gain);
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if(!initialize_buffers()) return -2;
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sendbufsize(the_bufsize);
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@ -3083,13 +3100,17 @@ int main(int argc, char *argv[])
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return 0;
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}
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int output_size=0;
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FREAD_C;
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for(;;)
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{
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FEOF_CHECK;
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FREAD_C;
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apply_real_fir_cc((complexf*)input_buffer, (complexf*)output_buffer, the_bufsize, taps, num_taps);
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FWRITE_C;
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output_size = apply_real_fir_cc((complexf*)input_buffer, (complexf*)output_buffer, the_bufsize, taps, num_taps);
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fwrite(output_buffer, sizeof(complexf), output_size, stdout);
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//fprintf(stderr, "os = %d, is = %d, num_taps = %d\n", output_size, the_bufsize, num_taps);
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TRY_YIELD;
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memmove((complexf*)input_buffer,((complexf*)input_buffer)+output_size,(the_bufsize-output_size)*sizeof(complexf));
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fread(((complexf*)input_buffer)+(the_bufsize-output_size), sizeof(complexf), output_size, stdin);
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}
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}
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@ -3128,6 +3149,26 @@ int main(int argc, char *argv[])
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return 0;
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}
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if(!strcmp(argv[1], "add_const_cc")) //<i> <q>
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{
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complexf x;
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if(argc<=2) return badsyntax("required parameter <add_i> is missing.");
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sscanf(argv[2],"%f",&iofv(x));
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if(argc<=2) return badsyntax("required parameter <add_q> is missing.");
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sscanf(argv[2],"%f",&qofv(x));
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if(!sendbufsize(initialize_buffers())) return -2;
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for(;;)
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{
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FEOF_CHECK;
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FREAD_C;
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add_const_cc((complexf*)input_buffer, (complexf*)output_buffer, the_bufsize, x);
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FWRITE_C;
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TRY_YIELD;
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}
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return 0;
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}
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if(!strcmp(argv[1],"none"))
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{
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return 0;
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@ -89,7 +89,7 @@
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</param>
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<param>
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<key>_coordinate</key>
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<value>(480, 3)</value>
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||||
<value>(416, 3)</value>
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</param>
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<param>
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<key>_rotation</key>
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@ -207,7 +207,7 @@
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</param>
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<param>
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<key>_coordinate</key>
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||||
<value>(712, 571)</value>
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<value>(32, 275)</value>
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</param>
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||||
<param>
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<key>_rotation</key>
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|
|
@ -235,7 +235,7 @@
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|||
</param>
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||||
<param>
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||||
<key>notebook</key>
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||||
<value>nb, 1</value>
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||||
<value></value>
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||||
</param>
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||||
<param>
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||||
<key>num_steps</key>
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|
|
@ -270,7 +270,54 @@
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|||
</param>
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||||
<param>
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||||
<key>value</key>
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||||
<value>2**18</value>
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||||
<value>2**13</value>
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||||
</param>
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||||
</block>
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||||
<block>
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||||
<key>analog_const_source_x</key>
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||||
<param>
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||||
<key>alias</key>
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||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
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||||
</param>
|
||||
<param>
|
||||
<key>const</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(288, 203)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>analog_const_source_x_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>float</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
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||||
|
|
@ -293,7 +340,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(16, 187)</value>
|
||||
<value>(40, 147)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -325,7 +372,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>byte</value>
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||||
<value>int</value>
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||||
</param>
|
||||
<param>
|
||||
<key>repeat</key>
|
||||
|
|
@ -333,7 +380,7 @@
|
|||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>blocks_complex_to_float</key>
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||||
<key>blocks_add_const_vxx</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
|
|
@ -343,51 +390,8 @@
|
|||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(960, 265)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>blocks_complex_to_float_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>vlen</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>blocks_interleave</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>blocksize</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
<key>const</key>
|
||||
<value>-1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
|
|
@ -395,11 +399,11 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(1168, 265)</value>
|
||||
<value>(336, 131)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -407,7 +411,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>blocks_interleave_0</value>
|
||||
<value>blocks_add_const_vxx_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
|
|
@ -421,17 +425,13 @@
|
|||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>num_streams</key>
|
||||
<value>2</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>vlen</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>blocks_multiply_const_vxx</key>
|
||||
<key>blocks_float_to_complex</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
|
|
@ -440,10 +440,6 @@
|
|||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>const</key>
|
||||
<value>amplitude</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
|
|
@ -454,7 +450,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(496, 155)</value>
|
||||
<value>(496, 161)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -462,11 +458,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>blocks_multiply_const_vxx_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>complex</value>
|
||||
<value>blocks_float_to_complex_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
|
|
@ -481,6 +473,53 @@
|
|||
<value>1</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>blocks_int_to_float</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(200, 131)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>blocks_int_to_float_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>scale</key>
|
||||
<value>0.5</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>vlen</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>blocks_throttle</key>
|
||||
<param>
|
||||
|
|
@ -501,7 +540,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(488, 211)</value>
|
||||
<value>(496, 355)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -556,7 +595,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(928, 537)</value>
|
||||
<value>(864, 345)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -587,73 +626,6 @@
|
|||
<value>False</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>digital_psk_mod</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>differential</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>excess_bw</key>
|
||||
<value>0.35</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(208, 179)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>mod_code</key>
|
||||
<value>"none"</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>digital_psk_mod_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>log</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>constellation_points</key>
|
||||
<value>2</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>samples_per_symbol</key>
|
||||
<value>2</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>verbose</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>freq_xlating_fir_filter_xxx</key>
|
||||
<param>
|
||||
|
|
@ -662,7 +634,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>center_freq</key>
|
||||
<value>-freq_add</value>
|
||||
<value>freq_add</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
|
|
@ -678,11 +650,11 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>1</value>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(688, 251)</value>
|
||||
<value>(232, 331)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -713,41 +685,6 @@
|
|||
<value>ccc</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>ha5kfu_execproc_sink_f</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>commandline</key>
|
||||
<value>zsh -c \"csdr timing_recovery_cc GARDNER 16 --add_q --octave 1 1>/dev/null 2> >(octave -i)\"</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(976, 379)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>ha5kfu_execproc_sink_f_0</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>ha5kfu_execproc_xx</key>
|
||||
<param>
|
||||
|
|
@ -756,7 +693,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>commandline</key>
|
||||
<value>csdr bpsk_costas_loop_cc 16</value>
|
||||
<value>csdr bpsk_costas_loop_cc $(csdr =2*pi/100) 0.707 1 </value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
|
|
@ -772,7 +709,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(128, 411)</value>
|
||||
<value>(840, 163)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -795,286 +732,6 @@
|
|||
<value>cc</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>ha5kfu_execproc_xx</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>commandline</key>
|
||||
<value>csdr timing_recovery_cc GARDNER 16 --add_q | csdr fir_interpolate_cc 8</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(400, 411)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>ha5kfu_execproc_xx_0_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>maxoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>minoutbuf</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>cc</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>notebook</key>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(16, 83)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>grid_pos</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>nb</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>labels</key>
|
||||
<value>['1', '2']</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>style</key>
|
||||
<value>wx.NB_TOP</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>wxgui_fftsink2</key>
|
||||
<param>
|
||||
<key>avg_alpha</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>average</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>baseband_freq</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>fft_size</key>
|
||||
<value>1024</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>freqvar</key>
|
||||
<value>None</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(960, 59)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>grid_pos</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>wxgui_fftsink2_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>peak_hold</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>ref_level</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>ref_scale</key>
|
||||
<value>2.0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>fft_rate</key>
|
||||
<value>15</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>samp_rate</key>
|
||||
<value>samp_rate</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>title</key>
|
||||
<value>FFT Plot</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>complex</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>win_size</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>win</key>
|
||||
<value>None</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>y_divs</key>
|
||||
<value>10</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>y_per_div</key>
|
||||
<value>10</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>wxgui_scopesink2</key>
|
||||
<param>
|
||||
<key>ac_couple</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(632, 379)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>grid_pos</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>wxgui_scopesink2_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>num_inputs</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>samp_rate</key>
|
||||
<value>(samp_rate/256)*8</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>t_scale</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>title</key>
|
||||
<value>After timing recovery</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>trig_mode</key>
|
||||
<value>wxgui.TRIG_MODE_AUTO</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>complex</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>v_offset</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>v_scale</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>win_size</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>xy_mode</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>y_axis_label</key>
|
||||
<value>Counts</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>wxgui_scopesink2</key>
|
||||
<param>
|
||||
|
|
@ -1099,7 +756,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(432, 507)</value>
|
||||
<value>(1104, 123)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -1115,7 +772,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value>nb, 0</value>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>num_inputs</key>
|
||||
|
|
@ -1123,7 +780,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>samp_rate</key>
|
||||
<value>(samp_rate/256)*8</value>
|
||||
<value>samp_rate</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>t_scale</key>
|
||||
|
|
@ -1131,7 +788,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>title</key>
|
||||
<value>BPSK modulated signal after Costas Loop</value>
|
||||
<value>After Costas Loop (csdr)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>trig_mode</key>
|
||||
|
|
@ -1186,7 +843,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(1112, 491)</value>
|
||||
<value>(1112, 299)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
|
|
@ -1200,93 +857,6 @@
|
|||
<key>id</key>
|
||||
<value>wxgui_scopesink2_0_0_0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value>nb, 1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>num_inputs</key>
|
||||
<value>1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>samp_rate</key>
|
||||
<value>(samp_rate/256)*8</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>t_scale</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>title</key>
|
||||
<value>After Costas Loop</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>trig_mode</key>
|
||||
<value>wxgui.TRIG_MODE_AUTO</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>type</key>
|
||||
<value>complex</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>v_offset</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>v_scale</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>win_size</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>xy_mode</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>y_axis_label</key>
|
||||
<value>Counts</value>
|
||||
</param>
|
||||
</block>
|
||||
<block>
|
||||
<key>wxgui_scopesink2</key>
|
||||
<param>
|
||||
<key>ac_couple</key>
|
||||
<value>False</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>alias</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>comment</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>affinity</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_enabled</key>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_coordinate</key>
|
||||
<value>(688, 11)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>_rotation</key>
|
||||
<value>0</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>grid_pos</key>
|
||||
<value></value>
|
||||
</param>
|
||||
<param>
|
||||
<key>id</key>
|
||||
<value>wxgui_scopesink2_0_1</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>notebook</key>
|
||||
<value></value>
|
||||
|
|
@ -1305,7 +875,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>title</key>
|
||||
<value>BPSK modulated signal with frequency offset</value>
|
||||
<value>After Costas Loop (GNU Radio)</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>trig_mode</key>
|
||||
|
|
@ -1329,7 +899,7 @@
|
|||
</param>
|
||||
<param>
|
||||
<key>xy_mode</key>
|
||||
<value>False</value>
|
||||
<value>True</value>
|
||||
</param>
|
||||
<param>
|
||||
<key>y_axis_label</key>
|
||||
|
|
@ -1337,38 +907,44 @@
|
|||
</param>
|
||||
</block>
|
||||
<connection>
|
||||
<source_block_id>analog_random_source_x_0</source_block_id>
|
||||
<sink_block_id>digital_psk_mod_0</sink_block_id>
|
||||
<source_block_id>analog_const_source_x_0</source_block_id>
|
||||
<sink_block_id>blocks_float_to_complex_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_complex_to_float_0</source_block_id>
|
||||
<sink_block_id>blocks_interleave_0</sink_block_id>
|
||||
<source_key>1</source_key>
|
||||
<sink_key>1</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_complex_to_float_0</source_block_id>
|
||||
<sink_block_id>blocks_interleave_0</sink_block_id>
|
||||
<source_block_id>analog_random_source_x_0</source_block_id>
|
||||
<sink_block_id>blocks_int_to_float_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_interleave_0</source_block_id>
|
||||
<sink_block_id>ha5kfu_execproc_sink_f_0</sink_block_id>
|
||||
<source_block_id>blocks_add_const_vxx_0</source_block_id>
|
||||
<sink_block_id>blocks_float_to_complex_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_multiply_const_vxx_0</source_block_id>
|
||||
<sink_block_id>blocks_throttle_0</sink_block_id>
|
||||
<source_block_id>blocks_float_to_complex_0</source_block_id>
|
||||
<sink_block_id>freq_xlating_fir_filter_xxx_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_int_to_float_0</source_block_id>
|
||||
<sink_block_id>blocks_add_const_vxx_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_throttle_0</source_block_id>
|
||||
<sink_block_id>freq_xlating_fir_filter_xxx_0</sink_block_id>
|
||||
<sink_block_id>digital_costas_loop_cc_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>blocks_throttle_0</source_block_id>
|
||||
<sink_block_id>ha5kfu_execproc_xx_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
|
|
@ -1378,45 +954,9 @@
|
|||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>digital_psk_mod_0</source_block_id>
|
||||
<sink_block_id>blocks_multiply_const_vxx_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
|
||||
<sink_block_id>blocks_complex_to_float_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
|
||||
<sink_block_id>digital_costas_loop_cc_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
|
||||
<sink_block_id>ha5kfu_execproc_xx_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
|
||||
<sink_block_id>wxgui_fftsink2_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>freq_xlating_fir_filter_xxx_0</source_block_id>
|
||||
<sink_block_id>wxgui_scopesink2_0_1</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>ha5kfu_execproc_xx_0</source_block_id>
|
||||
<sink_block_id>ha5kfu_execproc_xx_0_0</sink_block_id>
|
||||
<sink_block_id>blocks_throttle_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
|
|
@ -1426,10 +966,4 @@
|
|||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
<connection>
|
||||
<source_block_id>ha5kfu_execproc_xx_0_0</source_block_id>
|
||||
<sink_block_id>wxgui_scopesink2_0</sink_block_id>
|
||||
<source_key>0</source_key>
|
||||
<sink_key>0</sink_key>
|
||||
</connection>
|
||||
</flow_graph>
|
||||
|
|
|
|||
94
libcsdr.c
94
libcsdr.c
|
|
@ -114,6 +114,16 @@ float (*firdes_get_window_kernel(window_t window))(float)
|
|||
|___/
|
||||
*/
|
||||
|
||||
void normalize_fir_f(float* input, float* output, int length)
|
||||
{
|
||||
//Normalize filter kernel
|
||||
float sum=0;
|
||||
for(int i=0;i<length;i++) //@normalize_fir_f: normalize pass 1
|
||||
sum+=input[i];
|
||||
for(int i=0;i<length;i++) //@normalize_fir_f: normalize pass 2
|
||||
output[i]=input[i]/sum;
|
||||
}
|
||||
|
||||
void firdes_lowpass_f(float *output, int length, float cutoff_rate, window_t window)
|
||||
{ //Generates symmetric windowed sinc FIR filter real taps
|
||||
// length should be odd
|
||||
|
|
@ -128,17 +138,7 @@ void firdes_lowpass_f(float *output, int length, float cutoff_rate, window_t win
|
|||
output[middle-i]=output[middle+i]=(sin(2*PI*cutoff_rate*i)/i)*window_function((float)i/middle);
|
||||
//printf("%g %d %d %d %d | %g\n",output[middle-i],i,middle,middle+i,middle-i,sin(2*PI*cutoff_rate*i));
|
||||
}
|
||||
|
||||
//Normalize filter kernel
|
||||
float sum=0;
|
||||
for(int i=0;i<length;i++) //@firdes_lowpass_f: normalize pass 1
|
||||
{
|
||||
sum+=output[i];
|
||||
}
|
||||
for(int i=0;i<length;i++) //@firdes_lowpass_f: normalize pass 2
|
||||
{
|
||||
output[i]/=sum;
|
||||
}
|
||||
normalize_fir_f(output,output,length);
|
||||
}
|
||||
|
||||
void firdes_bandpass_c(complexf *output, int length, float lowcut, float highcut, window_t window)
|
||||
|
|
@ -1930,11 +1930,13 @@ void octave_plot_point_on_cplxsig(complexf* signal, int signal_size, float error
|
|||
free(points_color);
|
||||
}
|
||||
|
||||
timing_recovery_state_t timing_recovery_init(timing_recovery_algorithm_t algorithm, int decimation_rate, int use_q)
|
||||
timing_recovery_state_t timing_recovery_init(timing_recovery_algorithm_t algorithm, int decimation_rate, int use_q, float loop_gain, float max_error)
|
||||
{
|
||||
timing_recovery_state_t to_return;
|
||||
to_return.algorithm = algorithm;
|
||||
to_return.decimation_rate = decimation_rate;
|
||||
to_return.loop_gain = loop_gain;
|
||||
to_return.max_error = max_error;
|
||||
to_return.use_q = use_q;
|
||||
to_return.debug_phase = -1;
|
||||
to_return.debug_count = 3;
|
||||
|
|
@ -1952,7 +1954,7 @@ void timing_recovery_trigger_debug(timing_recovery_state_t* state, int debug_pha
|
|||
|
||||
#define MTIMINGR_HDEBUG 0
|
||||
|
||||
void timing_recovery_cc(complexf* input, complexf* output, int input_size, float* timing_error, int* sampled_indexes, timing_recovery_state_t* state)
|
||||
void timing_recovery_cc(complexf* input, complexf* output, int input_size, float* timing_error, int* sampled_indexes, timing_recovery_state_t* state)
|
||||
{
|
||||
//We always assume that the input starts at center of the first symbol cross before the first symbol.
|
||||
//Last time we consumed that much from the input samples that it is there.
|
||||
|
|
@ -2015,8 +2017,8 @@ void timing_recovery_cc(complexf* input, complexf* output, int input_size, float
|
|||
|
||||
if(timing_error) timing_error[si-1]=error; //it is not written if NULL
|
||||
|
||||
if(error>2) error=2;
|
||||
if(error<-2) error=-2;
|
||||
if(error>state->max_error) error=state->max_error;
|
||||
if(error<-state->max_error) error=-state->max_error;
|
||||
if( state->debug_force || (state->debug_phase >= si && debug_i) )
|
||||
{
|
||||
debug_i--;
|
||||
|
|
@ -2033,7 +2035,7 @@ void timing_recovery_cc(complexf* input, complexf* output, int input_size, float
|
|||
0);
|
||||
}
|
||||
int error_sign = (state->algorithm == TIMING_RECOVERY_ALGORITHM_GARDNER) ? -1 : 1;
|
||||
correction_offset = num_samples_halfbit * error_sign * (error/2);
|
||||
correction_offset = num_samples_halfbit * error_sign * error * state->loop_gain;
|
||||
current_bitstart_index += num_samples_bit + correction_offset;
|
||||
if(si>=input_size)
|
||||
{
|
||||
|
|
@ -2067,6 +2069,45 @@ char* timing_recovery_get_string_from_algorithm(timing_recovery_algorithm_t algo
|
|||
return "INVALID";
|
||||
}
|
||||
|
||||
void init_bpsk_costas_loop_cc(bpsk_costas_loop_state_t* s, int decision_directed, float damping_factor, float bandwidth, float gain)
|
||||
{
|
||||
float bandwidth_omega = 2*M_PI*bandwidth;
|
||||
s->alpha = (damping_factor*2*bandwidth_omega)/gain;
|
||||
float sampling_rate = 1; //the bandwidth is normalized to the sampling rate
|
||||
s->beta = (bandwidth_omega*bandwidth_omega)/(sampling_rate*gain);
|
||||
s->iir_temp = s->dphase = s->nco_phase = 0;
|
||||
}
|
||||
|
||||
void bpsk_costas_loop_cc(complexf* input, complexf* output, int input_size, bpsk_costas_loop_state_t* s)
|
||||
{
|
||||
for(int i=0;i<input_size;i++)
|
||||
{
|
||||
complexf nco_sample;
|
||||
e_powj(&nco_sample, -s->nco_phase);
|
||||
cmult(&output[i], &input[i], &nco_sample);
|
||||
float error = 0;
|
||||
if(s->decision_directed)
|
||||
{
|
||||
float output_phase = atan2(qof(output,i),iof(output,i));
|
||||
if (fabs(output_phase)<PI/2)
|
||||
error = -output_phase;
|
||||
else
|
||||
{
|
||||
error = PI-output_phase;
|
||||
while(error>PI) error -= 2*PI;
|
||||
}
|
||||
}
|
||||
else error = iof(output,i)*qof(output,i);
|
||||
s->dphase = error * s->alpha + s->iir_temp;
|
||||
s->iir_temp += error * s->beta;
|
||||
|
||||
//step NCO
|
||||
s->nco_phase += s->dphase;
|
||||
while(s->nco_phase>2*PI) s->nco_phase-=2*PI;
|
||||
}
|
||||
}
|
||||
|
||||
#if 0
|
||||
bpsk_costas_loop_state_t init_bpsk_costas_loop_cc(float samples_per_bits)
|
||||
{
|
||||
bpsk_costas_loop_state_t state;
|
||||
|
|
@ -2088,7 +2129,7 @@ bpsk_costas_loop_state_t init_bpsk_costas_loop_cc(float samples_per_bits)
|
|||
return state;
|
||||
}
|
||||
|
||||
void bpsk_costas_loop_cc(complexf* input, complexf* output, int input_size, bpsk_costas_loop_state_t* state)
|
||||
void bpsk_costas_loop_c1mc(complexf* input, complexf* output, int input_size, bpsk_costas_loop_state_t* state)
|
||||
{
|
||||
int debug = 0;
|
||||
if(debug) fprintf(stderr, "costas:\n");
|
||||
|
|
@ -2122,6 +2163,8 @@ void bpsk_costas_loop_cc(complexf* input, complexf* output, int input_size, bpsk
|
|||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
void simple_agc_cc(complexf* input, complexf* output, int input_size, float rate, float reference, float max_gain, float* current_gain)
|
||||
{
|
||||
float rate_1minus=1-rate;
|
||||
|
|
@ -2205,8 +2248,8 @@ int apply_real_fir_cc(complexf* input, complexf* output, int input_size, float*
|
|||
float acci = 0, accq = 0;
|
||||
for(int ti=0;ti<taps_length;ti++)
|
||||
{
|
||||
acci += iof(input,i)*taps[ti];
|
||||
accq += qof(input,i)*taps[ti];
|
||||
acci += iof(input,i+ti)*taps[ti];
|
||||
accq += qof(input,i+ti)*taps[ti];
|
||||
}
|
||||
iof(output,i)=acci;
|
||||
qof(output,i)=accq;
|
||||
|
|
@ -2365,6 +2408,8 @@ int firdes_cosine_f(float* taps, int taps_length, int samples_per_symbol)
|
|||
//needs a taps_length 2 × samples_per_symbol + 1
|
||||
int middle_i=taps_length/2;
|
||||
for(int i=0;i<samples_per_symbol;i++) taps[middle_i+i]=taps[middle_i-i]=(1+cos(PI*i/(float)samples_per_symbol))/2;
|
||||
//for(int i=0;i<taps_length;i++) taps[i]=powf(taps[i],2);
|
||||
normalize_fir_f(taps, taps, taps_length);
|
||||
}
|
||||
|
||||
int firdes_rrc_f(float* taps, int taps_length, int samples_per_symbol, float beta)
|
||||
|
|
@ -2381,6 +2426,7 @@ int firdes_rrc_f(float* taps, int taps_length, int samples_per_symbol, float bet
|
|||
(sin(PI*(i/(float)samples_per_symbol)*(1-beta)) + 4*beta*(i/(float)samples_per_symbol)*cos(PI*(i/(float)samples_per_symbol)*(1+beta)))/
|
||||
(PI*(i/(float)samples_per_symbol)*(1-powf(4*beta*(i/(float)samples_per_symbol),2)));
|
||||
}
|
||||
normalize_fir_f(taps, taps, taps_length);
|
||||
}
|
||||
|
||||
void plain_interpolate_cc(complexf* input, complexf* output, int input_size, int interpolation)
|
||||
|
|
@ -2407,6 +2453,15 @@ float* add_ff(float* input1, float* input2, float* output, int input_size)
|
|||
for(int i=0;i<input_size;i++) output[i]=input1[i]+input2[i];
|
||||
}
|
||||
|
||||
float* add_const_cc(complexf* input, complexf* output, int input_size, complexf x)
|
||||
{
|
||||
for(int i=0;i<input_size;i++)
|
||||
{
|
||||
iof(output,i)=iof(input,i)+iofv(x);
|
||||
qof(output,i)=iof(input,i)+qofv(x);
|
||||
}
|
||||
}
|
||||
|
||||
int trivial_vectorize()
|
||||
{
|
||||
//this function is trivial to vectorize and should pass on both NEON and SSE
|
||||
|
|
@ -2417,4 +2472,3 @@ int trivial_vectorize()
|
|||
}
|
||||
return c[0];
|
||||
}
|
||||
void plain_interpolate_cc(complexf* input, complexf* output, int input_size, int interpolation);
|
||||
|
|
|
|||
23
libcsdr.h
23
libcsdr.h
|
|
@ -331,9 +331,11 @@ typedef struct timing_recovery_state_s
|
|||
int debug_writefiles;
|
||||
int last_correction_offset;
|
||||
float earlylate_ratio;
|
||||
float loop_gain;
|
||||
float max_error;
|
||||
} timing_recovery_state_t;
|
||||
|
||||
timing_recovery_state_t timing_recovery_init(timing_recovery_algorithm_t algorithm, int decimation_rate, int use_q);
|
||||
timing_recovery_state_t timing_recovery_init(timing_recovery_algorithm_t algorithm, int decimation_rate, int use_q, float loop_gain, float max_error);
|
||||
void timing_recovery_cc(complexf* input, complexf* output, int input_size, float* timing_error, int* sampled_indexes, timing_recovery_state_t* state);
|
||||
timing_recovery_algorithm_t timing_recovery_get_algorithm_from_string(char* input);
|
||||
char* timing_recovery_get_string_from_algorithm(timing_recovery_algorithm_t algorithm);
|
||||
|
|
@ -346,6 +348,7 @@ void pack_bits_8to1_u8_u8(unsigned char* input, unsigned char* output, int input
|
|||
void psk31_varicode_encoder_u8_u8(unsigned char* input, unsigned char* output, int input_size, int output_max_size, int* input_processed, int* output_size);
|
||||
unsigned char differential_codec(unsigned char* input, unsigned char* output, int input_size, int encode, unsigned char state);
|
||||
|
||||
#if 0
|
||||
typedef struct bpsk_costas_loop_state_s
|
||||
{
|
||||
float rc_filter_alpha;
|
||||
|
|
@ -358,6 +361,21 @@ typedef struct bpsk_costas_loop_state_s
|
|||
|
||||
bpsk_costas_loop_state_t init_bpsk_costas_loop_cc(float samples_per_bits);
|
||||
void bpsk_costas_loop_cc(complexf* input, complexf* output, int input_size, bpsk_costas_loop_state_t* state);
|
||||
#endif
|
||||
|
||||
typedef struct bpsk_costas_loop_state_s
|
||||
{
|
||||
float alpha;
|
||||
float beta;
|
||||
int decision_directed;
|
||||
float iir_temp;
|
||||
float dphase;
|
||||
float nco_phase;
|
||||
} bpsk_costas_loop_state_t;
|
||||
|
||||
void plain_interpolate_cc(complexf* input, complexf* output, int input_size, int interpolation);
|
||||
void bpsk_costas_loop_cc(complexf* input, complexf* output, int input_size, bpsk_costas_loop_state_t* state);
|
||||
|
||||
void simple_agc_cc(complexf* input, complexf* output, int input_size, float rate, float reference, float max_gain, float* current_gain);
|
||||
void firdes_add_resonator_c(complexf* output, int length, float rate, window_t window, int add, int normalize);
|
||||
int apply_fir_cc(complexf* input, complexf* output, int input_size, complexf* taps, int taps_length);
|
||||
|
|
@ -385,3 +403,6 @@ matched_filter_type_t matched_filter_get_type_from_string(char* input);
|
|||
int apply_real_fir_cc(complexf* input, complexf* output, int input_size, float* taps, int taps_length);
|
||||
void generic_slicer_f_u8(float* input, unsigned char* output, int input_size, int n_symbols);
|
||||
void plain_interpolate_cc(complexf* input, complexf* output, int input_size, int interpolation);;
|
||||
void normalize_fir_f(float* input, float* output, int length);
|
||||
void init_bpsk_costas_loop_cc(bpsk_costas_loop_state_t* s, int decision_directed, float damping_factor, float bandwidth, float gain);
|
||||
float* add_const_cc(complexf* input, complexf* output, int input_size, complexf x);
|
||||
|
|
|
|||
Ładowanie…
Reference in New Issue