/// <summary>
/// Used if only one device is connected, finds the serial number automatically
/// Throws an exception if more than one device is found
/// </summary>
public HU320()
{
HIDInterface.interfaceDetails[] devices = HIDInterface.getConnectedDevices();
int numExpectedDevices = 0;
int deviceIndex = 0;
for (int i = 0; i < devices.Length; i++)
{
if ((devices[i].VID == DEFAULT_VID) && (devices[i].PID == DEFAULT_PID))
{
numExpectedDevices++;
deviceIndex = i;
}
}
if (numExpectedDevices == 0)
{
throw new Exception("No HU320 devices could be found!");
}
else if (numExpectedDevices > 1)
{
throw new Exception("Only one HU320 may be connected, " + numExpectedDevices.ToString() + " found.");
}
init(devices[deviceIndex].VID, devices[deviceIndex].PID, (ushort)devices[deviceIndex].serialNumber);
}
/// <summary>
/// Queries the operating system for the serial numbers of the devices conneced with the specified VID/PID
/// </summary>
/// <param name="VID">VID to search for</param>
/// <param name="PID">PID to search for</param>
/// <returns>Array of the connected device's serial numbers</returns>
public static int[] getConnectedDevices(ushort VID, ushort PID)
{
HIDInterface.interfaceDetails[] devs = HIDInterface.getConnectedDevices();
//find how many devices fit the expected type
int numExpectedDevices = 0;
foreach (HIDInterface.interfaceDetails D in devs)
{
if ((D.VID == VID) && (D.PID == PID))
{
numExpectedDevices++;
}
}
//create an array of the matching serial numbers
int[] SNs = new int[numExpectedDevices];
int matchIndex = 0;
for (int i = 0; i < devs.Length; i++)
{
if ((devs[i].VID == VID) && (devs[i].PID == PID))
{
SNs[matchIndex] = devs[i].serialNumber;
matchIndex++;
}
}
return(SNs);
}