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;
}
bool SDRPlayInput::start()
{
// QMutexLocker mutexLocker(&m_mutex);
int res;
if (!m_dev) {
return false;
}
if (m_running) stop();
char s12FormatString[] = "336_S16";
if ((res = mirisdr_set_sample_format(m_dev, s12FormatString))) // sample format S12
{
qCritical("SDRPlayInput::start: could not set sample format: rc: %d", res);
stop();
return false;
}
int sampleRate = SDRPlaySampleRates::getRate(m_settings.m_devSampleRateIndex);
if ((res = mirisdr_set_sample_rate(m_dev, sampleRate)))
{
qCritical("SDRPlayInput::start: could not set sample rate to %d: rc: %d", sampleRate, res);
stop();
return false;
}
char bulkFormatString[] = "BULK";
if ((res = mirisdr_set_transfer(m_dev, bulkFormatString)) < 0)
{
qCritical("SDRPlayInput::start: could not set USB Bulk mode: rc: %d", res);
stop();
return false;
}
if ((res = mirisdr_reset_buffer(m_dev)) < 0)
{
qCritical("SDRPlayInput::start: could not reset USB EP buffers: %s", strerror(errno));
stop();
return false;
}
m_sdrPlayThread = new SDRPlayThread(m_dev, &m_sampleFifo);
m_sdrPlayThread->setLog2Decimation(m_settings.m_log2Decim);
m_sdrPlayThread->setFcPos((int) m_settings.m_fcPos);
m_sdrPlayThread->startWork();
// mutexLocker.unlock();
applySettings(m_settings, true, true);
m_running = true;
return true;
}
SDRIOEXPORT sdrio_int32 sdrio_set_rx_samplerate(sdrio_device *dev, sdrio_uint64 sample_rate)
{
if (dev)
{
return (mirisdr_set_sample_rate(dev->mirics_device, (uint32_t)sample_rate) == 0);
}
else
{
return 0;
}
}
int verbose_set_sample_rate(mirisdr_dev_t *dev, uint32_t samp_rate)
{
int r;
r = mirisdr_set_sample_rate(dev, samp_rate);
if (r < 0) {
fprintf(stderr, "WARNING: Failed to set sample rate.\n");
} else {
fprintf(stderr, "Sampling at %u S/s.\n", samp_rate);
}
return r;
}
