public static DeviceDisplay[] GetActiveDevices()
{
uint count = LibraryWrapper.rtlsdr_get_device_count();
var result = new DeviceDisplay[count];
for (var i = 0u; i < count; i++)
{
string name = LibraryWrapper.rtlsdr_get_device_name(i);
result[i] = new DeviceDisplay {
Index = i, Name = name
};
}
return(result);
}
public RtlDevice(uint index)
{
Index = index;
int r = LibraryWrapper.rtlsdr_open(out _dev, Index);
if (r != 0)
{
throw new ApplicationException("Cannot open RTL device. Is the device locked somewhere?");
}
int count = _dev == IntPtr.Zero ? 0 : LibraryWrapper.rtlsdr_get_tuner_gains(_dev, null);
if (count < 0)
{
count = 0;
}
SupportsOffsetTuning = LibraryWrapper.rtlsdr_set_offset_tuning(_dev, 0) != -2;
SupportedGains = new int[count];
if (count >= 0)
{
LibraryWrapper.rtlsdr_get_tuner_gains(_dev, SupportedGains);
}
Name = LibraryWrapper.rtlsdr_get_device_name(Index);
_gcHandle = GCHandle.Alloc(this);
}
