private static int HackRFSamplesAvailable(hackrf_transfer *ptr)
{
sbyte *buf = ptr->buffer;
int len = ptr->buffer_length;
IntPtr ctx = ptr->rx_ctx;
var gcHandle = GCHandle.FromIntPtr(ctx);
if (!gcHandle.IsAllocated)
{
return(-1);
}
var instance = (HackRFDevice)gcHandle.Target;
var sampleCount = (int)len / 2;
if (instance._iqBuffer == null || instance._iqBuffer.Length != sampleCount)
{
instance._iqBuffer = UnsafeBuffer.Create(sampleCount, sizeof(Complex));
instance._iqPtr = (Complex *)instance._iqBuffer;
}
var ptrIq = instance._iqPtr;
for (var i = 0; i < sampleCount; i++)
{
ptrIq->Imag = _lutPtr[*buf++];
ptrIq->Real = _lutPtr[*buf++];
ptrIq++;
}
instance.ComplexSamplesAvailable(instance._iqPtr, instance._iqBuffer.Length);
return(0);
}
private int HackRFSamplesAvailable(hackrf_transfer *samplesPtr)
{
return(0);
}
