SDRIOEXPORT sdrio_device * sdrio_open_device(sdrio_uint32 device_index)
{
sdrio_device *dev = (sdrio_device *)malloc(sizeof(sdrio_device));
if (dev)
{
memset(dev, 0, sizeof(sdrio_device));
dev->device_index = device_index;
mirisdr_open (&dev->mirics_device, dev->device_index);
if (dev->mirics_device)
{
mirisdr_set_sample_format(dev->mirics_device, "AUTO");
mirisdr_set_sample_rate(dev->mirics_device, 2*1024*1000);
mirisdr_set_center_freq(dev->mirics_device, 100000000);
mirisdr_set_tuner_gain_mode(dev->mirics_device, 0);
dev->min_freq = 150000;
dev->max_freq = 1900000000;
}
else
{
free(dev);
return 0;
}
}
return dev;
}
SDRIOEXPORT sdrio_int32 sdrio_set_rx_frequency(sdrio_device *dev, sdrio_uint64 frequency)
{
if (dev)
{
return (mirisdr_set_center_freq(dev->mirics_device, (uint32_t)frequency) == 0);
}
else
{
return 0;
}
}
int verbose_set_frequency(mirisdr_dev_t *dev, uint32_t frequency)
{
int r;
r = mirisdr_set_center_freq(dev, frequency);
if (r < 0) {
fprintf(stderr, "WARNING: Failed to set center freq.\n");
} else {
fprintf(stderr, "Tuned to %u Hz.\n", frequency);
}
return r;
}
bool SDRPlayInput::setDeviceCenterFrequency(quint64 freq_hz)
{
qint64 df = ((qint64)freq_hz * m_settings.m_LOppmTenths) / 10000000LL;
freq_hz += df;
int r = mirisdr_set_center_freq(m_dev, static_cast<uint32_t>(freq_hz));
if (r != 0)
{
qWarning("SDRPlayInput::setDeviceCenterFrequency: could not frequency to %llu Hz", freq_hz);
return false;
}
else
{
qWarning("SDRPlayInput::setDeviceCenterFrequency: frequency set to %llu Hz", freq_hz);
return true;
}
}
