//========================================================================================================
/// <summary>
/// creates a list of devices that were detected and have a specific vendor id
/// </summary>
/// <param name="format">The format to return device names in</param>
/// <returns>The list of device names</returns>
//========================================================================================================
public static string[] GetDeviceNames(DeviceNameFormat format)
{
return GetDeviceNames(format, DeviceListUsage.ReuseList);
}
public static string[] GetDeviceNames(DeviceNameFormat format, DeviceListUsage deviceListUsage)
{
m_nameFormat = format;
if (deviceListUsage == DeviceListUsage.UpdateList)
return GetUnusedDeviceNames(format);
if (m_daqDeviceList.Count > 0)
throw new DaqException(ErrorMessages.DaqDeviceListNotEmpty, ErrorCodes.DaqDeviceListNotEmpty);
PlatformInterop platformInterop = PlatformInterop.GetUsbPlatformInterop();
if (platformInterop != null)
{
if (m_deviceInfoList.Count == 0 ||
m_deviceNames.Count == 0 ||
deviceListUsage == DeviceListUsage.RefreshList ||
deviceListUsage == DeviceListUsage.UpdateList)
{
/* get a list of detected devices */
ErrorCodes er = platformInterop.GetDevices(m_deviceInfoList, deviceListUsage);
/* create a DeviceInfo object for the virtual device */
//AddVirtualDeviceInfo();
if (er == ErrorCodes.LibusbCouldNotBeInitialized)
throw new DaqException(ErrorMessages.LibusbCouldNotBeInitialized, er);
if (er == ErrorCodes.LibusbCouldNotBeLoaded)
throw new DaqException(ErrorMessages.LibusbCouldNotBeLoaded, er);
if (er == ErrorCodes.LibUsbGetDeviceDescriptorFailed)
throw new DaqException(ErrorMessages.LibUsbGetDeviceDescriptorFailed, er);
}
m_deviceNames.Clear();
foreach (KeyValuePair<int, DeviceInfo> kvp in m_deviceInfoList)
{
DeviceInfo di = kvp.Value;
di.DeviceID = platformInterop.GetDeviceID(kvp.Value);
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
di.SerialNumber = platformInterop.GetSerno(kvp.Value);
if (m_nameFormat == DeviceNameFormat.NameOnly)
{
m_deviceNames.Add(di.DisplayName);
}
else if (m_nameFormat == DeviceNameFormat.NameAndSerno)
{
m_deviceNames.Add(String.Format("{0}{1}{2}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.SerialNumber));
}
else if (m_nameFormat == DeviceNameFormat.NameAndID)
{
if (di.DeviceID != String.Empty)
{
m_deviceNames.Add(String.Format("{0}{1}{2}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.DeviceID));
}
}
else if (m_nameFormat == DeviceNameFormat.NameSernoAndID)
{
if (di.DeviceID != String.Empty)
{
m_deviceNames.Add(String.Format("{0}{1}{2}{3}{4}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.SerialNumber, Constants.DEVICE_NAME_SEPARATOR, di.DeviceID));
}
}
}
}
else
{
throw new DaqException(ErrorMessages.PlatformNotSupported, ErrorCodes.PlatformNotSupported);
}
return m_deviceNames.ToArray();
}
//================================================================================================================
/// <summary>
/// creates a list of device names for devices that weren't detected from a previous call to GetUnusedDeviceNames
/// </summary>
/// <param name="format">The format to return device names in</param>
/// <param name="format">A flag indicating if the current list should be used or recreated</param>
/// <returns>The list of device names</returns>
//================================================================================================================
protected static string[] GetUnusedDeviceNames(DeviceNameFormat format)
{
List<string> unusedDeviceNames = new List<string>();
m_nameFormat = format;
PlatformInterop platformInterop = PlatformInterop.GetUsbPlatformInterop();
if (platformInterop != null)
{
/* get a list of detected devices */
ErrorCodes er = platformInterop.GetDevices(m_deviceInfoList, DeviceListUsage.UpdateList);
/* create a DeviceInfo object for the virtual device */
//AddVirtualDeviceInfo();
if (er == ErrorCodes.LibusbCouldNotBeInitialized)
throw new DaqException(ErrorMessages.LibusbCouldNotBeInitialized, er);
if (er == ErrorCodes.LibusbCouldNotBeLoaded)
throw new DaqException(ErrorMessages.LibusbCouldNotBeLoaded, er);
if (er == ErrorCodes.LibUsbGetDeviceDescriptorFailed)
throw new DaqException(ErrorMessages.LibUsbGetDeviceDescriptorFailed, er);
m_deviceNames.Clear();
foreach (KeyValuePair<int, DeviceInfo> kvp in m_deviceInfoList)
{
string name = String.Empty;
DeviceInfo di = kvp.Value;
/* get the device ID */
di.DeviceID = platformInterop.GetDeviceID(kvp.Value);
/* get the serial number */
if (Environment.OSVersion.Platform != PlatformID.Win32NT)
di.SerialNumber = platformInterop.GetSerno(kvp.Value);
if (m_nameFormat == DeviceNameFormat.NameOnly)
{
name = di.DisplayName;
}
else if (m_nameFormat == DeviceNameFormat.NameAndSerno)
{
name = String.Format("{0}{1}{2}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.SerialNumber);
}
else if (m_nameFormat == DeviceNameFormat.NameAndID)
{
if (di.DeviceID != String.Empty)
{
name = String.Format("{0}{1}{2}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.DeviceID);
}
}
else if (m_nameFormat == DeviceNameFormat.NameSernoAndID)
{
if (di.DeviceID != String.Empty)
{
name = String.Format("{0}{1}{2}{3}{4}", di.DisplayName, Constants.DEVICE_NAME_SEPARATOR, di.SerialNumber, Constants.DEVICE_NAME_SEPARATOR, di.DeviceID);
}
}
/* add all names to the internal list */
if (name != String.Empty)
m_deviceNames.Add(name);
/* add only unused device names to the return list */
bool addToUnusedList = true;
foreach (DaqDevice device in m_daqDeviceList)
{
if (device.DeviceInfo.DisplayName == di.DisplayName && device.DeviceInfo.SerialNumber == di.SerialNumber)
{
addToUnusedList = false;
}
}
if (addToUnusedList)
unusedDeviceNames.Add(name);
}
}
else
{
throw new DaqException(ErrorMessages.PlatformNotSupported, ErrorCodes.PlatformNotSupported);
}
return unusedDeviceNames.ToArray();
}
