/// <summary>
/// Start the IR Server plugin.
/// </summary>
public override void Start()
{
IntPtr handle;
TYPE_RET_VAL error;
int context = 1;
for (DEVICE_CAT cat = DEVICE_CAT.UNKNOWN; cat <= DEVICE_CAT.USB_2_DSS; cat++)
{
uint enumerate = bdaapiEnumerate(cat);
for (uint index = 0; index < enumerate; index++)
{
handle = bdaapiOpen(cat, index);
if ((handle != IntPtr.Zero) && (handle.ToInt32() != -1))
{
error = bdaapiOpenIR(handle, _callbackPtr, context++);
if (error == TYPE_RET_VAL.RET_SUCCESS)
{
_handles.Add(handle);
}
else
{
bdaapiClose(handle);
}
}
}
}
if (_handles.Count == 0)
{
throw new InvalidOperationException("No Technotrend IR devices found");
}
}
/// <summary>
/// Detect the presence of this device.
/// </summary>
public override DetectionResult Detect()
{
IntPtr handle;
TYPE_RET_VAL error;
try
{
for (DEVICE_CAT cat = DEVICE_CAT.UNKNOWN; cat <= DEVICE_CAT.USB_2_DSS; cat++)
{
if (bdaapiEnumerate(cat) > 0)
{
handle = bdaapiOpen(cat, 0);
try
{
if ((handle != IntPtr.Zero) && (handle.ToInt32() != -1))
{
error = bdaapiOpenIR(handle, _callbackPtr, 0);
bdaapiClose(handle);
if (error == TYPE_RET_VAL.RET_SUCCESS)
{
return(DetectionResult.DevicePresent);
}
}
}
catch
{
bdaapiClose(handle);
}
}
}
}
catch (Exception ex)
{
IrssLog.Error("{0,15}: exception {1}", Name, ex.Message);
return(DetectionResult.DeviceException);
}
return(DetectionResult.DeviceNotFound);
}
private static extern IntPtr bdaapiOpen(DEVICE_CAT deviceType, uint deviceId);
private static extern UInt32 bdaapiEnumerate(DEVICE_CAT deviceType);
private static extern IntPtr bdaapiOpen(DEVICE_CAT deviceType, uint deviceId);
private static extern UInt32 bdaapiEnumerate(DEVICE_CAT deviceType);
