diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/fl2k_iq.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/fl2k_iq.c b/src/fl2k_iq.c index dde3bb8..f7c2a1c 100644 --- a/src/fl2k_iq.c +++ b/src/fl2k_iq.c @@ -400,7 +400,7 @@ static inline float complex modulate_sample_ampliphase(const int lastwritepos, c } -void ampliphase_modulator(enum inputType_E inputType) +void ampliphase_modulator(enum inputType_E inputType, const float modIndex) { unsigned int i; size_t len; @@ -444,7 +444,7 @@ void ampliphase_modulator(enum inputType_E inputType) sample = (float) baseband_buf_cplx[i][0+swap] / 32768.0 + I * (float) baseband_buf_cplx[i][1-swap] / 32768.0; /* Modulate and buffer the sample */ - lastamp = modulate_sample_ampliphase(lastwritepos, lastamp, sample); + lastamp = modulate_sample_ampliphase(lastwritepos, lastamp, sample, modIndex); lastwritepos = writepos++; writepos %= BUFFER_SAMPLES; } @@ -484,6 +484,7 @@ int main(int argc, char **argv) int option_index = 0; int input_freq_specified = 0; enum inputType_E input_type = INP_REAL; + float modulation_index = 1.0; #ifndef _WIN32 struct sigaction sigact, sigign; @@ -495,7 +496,7 @@ int main(int argc, char **argv) }; while (1) { - opt = getopt_long(argc, argv, "ewd:c:i:s:t:", long_options, &option_index); + opt = getopt_long(argc, argv, "ewd:c:i:s:t:m:", long_options, &option_index); /* end of options reached */ if (opt == -1) @@ -514,6 +515,9 @@ int main(int argc, char **argv) input_freq = (uint32_t)atof(optarg); input_freq_specified = 1; break; + case 'm': + modulation_index = atof(optarg); + break; case 's': samp_rate = (uint32_t)atof(optarg); break; @@ -641,7 +645,7 @@ int main(int argc, char **argv) SetConsoleCtrlHandler( (PHANDLER_ROUTINE) sighandler, TRUE ); #endif - ampliphase_modulator(input_type); + ampliphase_modulator(input_type, modulation_index); out: fl2k_close(dev); |