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Bias T.

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This commit is contained in:
John Greb
2014-12-02 14:23:21 +00:00
parent f10a0b778d
commit c364378824
8 changed files with 101 additions and 155 deletions
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plugins/samplesource/fcd/fcdsource.cpp
+19 -1
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@@ -49,7 +49,21 @@ void FCDThread::CloseSource()
void FCDThread::set_center_freq(double freq)
{
if (fcdAppSetFreq(freq) == FCD_MODE_NONE)
qCritical("No FCD HID found for frquency change");
qDebug("No FCD HID found for frquency change");
}
void FCDThread::set_bias_t(bool on)
{
quint8 cmd = on ? 1 : 0;
fcdAppSetParam(FCD_CMD_APP_SET_BIAS_TEE, &cmd, 1);
}
void FCDThread::set_lna_gain(bool on)
{
quint8 cmd = on ? 1 : 0;
fcdAppSetParam(FCD_CMD_APP_SET_LNA_GAIN, &cmd, 1);
}
int FCDThread::work(int n_items)
@@ -63,6 +77,10 @@ int FCDThread::work(int n_items)
l = snd_pcm_mmap_readi(fcd_handle, out, (snd_pcm_uframes_t)n_items);
if (l > 0)
m_sampleFifo->write(it, it + l);
if (l == -EPIPE) {
qDebug("FCD: Overrun detected");
return 0;
}
return l;
}