private unsafe void ReceiveSamples_sync()
{
lms_stream_meta_t meta = new lms_stream_meta_t();
meta.timestamp = 0;
meta.flushPartialPacket = false;
meta.waitForTimestamp = false;
while (_isStreaming)
{
if (_iqBuffer == null || _iqBuffer.Length != _readLength)
{
_iqBuffer = UnsafeBuffer.Create((int)_readLength, sizeof(Complex));
_iqPtr = (Complex *)_iqBuffer;
Thread.Sleep(100);
}
if (_samplesBuffer == null || _samplesBuffer.Length != (2 * _readLength))
{
_samplesBuffer = UnsafeBuffer.Create((int)(2 * _readLength), sizeof(float));
_samplesPtr = (float *)_samplesBuffer;
Thread.Sleep(100);
}
var ptrIq = _iqPtr;
if (test_signal)
{
SineWaveWithNoise(ptrIq, _readLength, phase_accumulator1, sine_freq1);
phase_accumulator1 = CosineWaveWithNoise(ptrIq, _readLength, phase_accumulator1, sine_freq1);
}
else
{
NativeMethods.LMS_RecvStream(_stream, _samplesPtr, _readLength, ref meta, SampleTimeoutMs);
for (int i = 0; i < _readLength; i++)
{
ptrIq->Real = _samplesPtr[i * 2] / SpectrumOffset;
ptrIq->Imag = _samplesPtr[i * 2 + 1] / SpectrumOffset;
ptrIq++;
}
}
ComplexSamplesAvailable(_iqPtr, _iqBuffer.Length);
}
NativeMethods.LMS_StopStream(_stream);
Close();
}
private unsafe void ReceiveSamples_sync()
{
lms_stream_meta_t meta = new lms_stream_meta_t();
meta.timestamp = 0;
meta.flushPartialPacket = false;
meta.waitForTimestamp = false;
while (_isStreaming)
{
if (_iqBuffer == null || _iqBuffer.Length != _readLength)
{
_iqBuffer = UnsafeBuffer.Create((int)_readLength, sizeof(Complex));
_iqPtr = (Complex *)_iqBuffer;
Thread.Sleep(100);
}
if (_samplesBuffer == null || _samplesBuffer.Length != (2 * _readLength))
{
_samplesBuffer = UnsafeBuffer.Create((int)(2 * _readLength), sizeof(float));
_samplesPtr = (float *)_samplesBuffer;
Thread.Sleep(100);
}
dataMutex.WaitOne();
NativeMethods.LMS_RecvStream(_stream, _samplesPtr, _readLength, ref meta, SampleTimeoutMs);
dataMutex.ReleaseMutex();
var ptrIq = _iqPtr;
for (int i = 0; i < _readLength; i++)
{
ptrIq->Real = _samplesPtr[i * 2] / SpectrumOffset;
ptrIq->Imag = _samplesPtr[i * 2 + 1] / SpectrumOffset;
ptrIq++;
}
ComplexSamplesAvailable(_iqPtr, _iqBuffer.Length);
}
NativeMethods.LMS_StopStream(_stream);
Close();
}
public static unsafe extern int LMS_RecvStream(IntPtr stream, void *samples, uint sample_count, ref lms_stream_meta_t meta, uint timeout_ms);
public static unsafe extern int LMS_SendStream(IntPtr stream, void *samples, UInt64 sample_count,
ref lms_stream_meta_t meta, UInt64 timeout_ms);