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SDR: Add option to set local oscillator (LO) offset

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By default it is set to -1 MHz.
This commit is contained in:
Andreas Eversberg
2017-12-04 14:12:11 +01:00
parent c49ee3b2a8
commit 9f901384de
10 changed files with 58 additions and 30 deletions
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6
src/libsdr/sdr.c
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@@ -368,9 +368,11 @@ void *sdr_open(const char __attribute__((__unused__)) *audiodev, double *tx_freq
display_iq_init(samplerate);
display_spectrum_init(samplerate, rx_center_frequency);
PDEBUG(DSDR, DEBUG_INFO, "Using local oscillator offseet: %.0f Hz\n", sdr_config->lo_offset);
#ifdef HAVE_UHD
if (sdr_config->uhd) {
rc = uhd_open(sdr_config->channel, sdr_config->device_args, sdr_config->stream_args, sdr_config->tune_args, sdr_config->tx_antenna, sdr_config->rx_antenna, tx_center_frequency, rx_center_frequency, sdr_config->samplerate, sdr_config->tx_gain, sdr_config->rx_gain, sdr_config->bandwidth, sdr_config->uhd_tx_timestamps);
rc = uhd_open(sdr_config->channel, sdr_config->device_args, sdr_config->stream_args, sdr_config->tune_args, sdr_config->tx_antenna, sdr_config->rx_antenna, tx_center_frequency, rx_center_frequency, sdr_config->lo_offset, sdr_config->samplerate, sdr_config->tx_gain, sdr_config->rx_gain, sdr_config->bandwidth, sdr_config->uhd_tx_timestamps);
if (rc)
goto error;
}
@@ -378,7 +380,7 @@ void *sdr_open(const char __attribute__((__unused__)) *audiodev, double *tx_freq
#ifdef HAVE_SOAPY
if (sdr_config->soapy) {
rc = soapy_open(sdr_config->channel, sdr_config->device_args, sdr_config->stream_args, sdr_config->tune_args, sdr_config->tx_antenna, sdr_config->rx_antenna, tx_center_frequency, rx_center_frequency, sdr_config->samplerate, sdr_config->tx_gain, sdr_config->rx_gain, sdr_config->bandwidth);
rc = soapy_open(sdr_config->channel, sdr_config->device_args, sdr_config->stream_args, sdr_config->tune_args, sdr_config->tx_antenna, sdr_config->rx_antenna, tx_center_frequency, rx_center_frequency, sdr_config->lo_offset, sdr_config->samplerate, sdr_config->tx_gain, sdr_config->rx_gain, sdr_config->bandwidth);
if (rc)
goto error;
}