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RTL Misc; Disable Offset and Double BW; #125

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lwvmobile
2023-05-19 06:42:55 -04:00
parent 380657679e
commit bf4a4b574c
3 changed files with 8 additions and 5 deletions
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7
src/rtl_sdr_fm.cpp
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@@ -805,7 +805,7 @@ void dongle_init(struct dongle_state *s)
s->gain = AUTO_GAIN; // tenths of a dB
s->mute = 0;
s->direct_sampling = 0;
s->offset_tuning = 1; // initial tests show this works better enabled
s->offset_tuning = 0; //E4000 tuners only
s->demod_target = &demod;
}
@@ -964,7 +964,7 @@ void open_rtlsdr_stream(dsd_opts *opts)
{
struct sigaction sigact;
int r;
rtl_bandwidth = opts->rtl_bandwidth * 1000;
rtl_bandwidth = opts->rtl_bandwidth * 1000 * 2; //going to double the value -- may clear up issue with user specified BW not what it seems
bandwidth_multiplier = (bandwidth_divisor / rtl_bandwidth);
//this needs to be initted first, then we set the parameters
@@ -1087,10 +1087,9 @@ void get_rtlsdr_sample(int16_t *sample, dsd_opts * opts, dsd_state * state)
pthread_rwlock_unlock(&output.rw);
}
void rtl_dev_tune(dsd_opts * opts, long int frequency)
void rtl_dev_tune(dsd_opts * opts, long int frequency)
{
int r;
uint32_t freq;
dongle.freq = opts->rtlsdr_center_freq = frequency;
optimal_settings(dongle.freq, demod.rate_in);
r = verbose_set_frequency(dongle.dev, dongle.freq);