public bool OpenDevice()
{
if (this.CheckIfPresentAndGetUSBDevicePath())
{
this.WriteHandleToUSBDevice = USBM.CreateFile(this.DevicePath, 1073741824U, 3U, IntPtr.Zero, 3U, 0U, IntPtr.Zero);
uint lastWin32Error1 = (uint)Marshal.GetLastWin32Error();
this.ReadHandleToUSBDevice = USBM.CreateFile(this.DevicePath, 2147483648U, 3U, IntPtr.Zero, 3U, 0U, IntPtr.Zero);
uint lastWin32Error2 = (uint)Marshal.GetLastWin32Error();
if (lastWin32Error1 == 0U && lastWin32Error2 == 0U)
{
this.AttachedState = true;
}
else
{
this.AttachedState = false;
if (lastWin32Error1 == 0U)
{
this.WriteHandleToUSBDevice.Close();
}
if (lastWin32Error2 == 0U)
{
this.ReadHandleToUSBDevice.Close();
}
}
}
else
{
this.AttachedState = false;
}
this.InfoDevice = this.GetInfoForDevice();
return(this.AttachedState);
}
internal USBM.MyDeviceInfo GetInfoForDevice()
{
byte[] lpBuffer = new byte[65];
byte[] INBuffer = new byte[65];
uint lpNumberOfBytesWritten = 0;
uint lpNumberOfBytesRead = 0;
uint num1 = 0;
uint num2 = 0;
uint num3 = 0;
uint num4 = 0;
uint num5 = 0;
USBM.MyDeviceInfo myDeviceInfo = new USBM.MyDeviceInfo();
try
{
if (this.AttachedState)
{
lpBuffer[0] = (byte)0;
lpBuffer[1] = byte.MaxValue;
lpBuffer[2] = (byte)55;
for (uint index = 3; index < 65U; ++index)
{
lpBuffer[index] = byte.MaxValue;
}
if (USBM.WriteFile(this.WriteHandleToUSBDevice, lpBuffer, 65U, ref lpNumberOfBytesWritten, IntPtr.Zero))
{
INBuffer[0] = (byte)0;
if (this.ReadFileManagedBuffer(this.ReadHandleToUSBDevice, INBuffer, 65U, ref lpNumberOfBytesRead, IntPtr.Zero))
{
num1 = ((uint)INBuffer[9] << 8) + (uint)INBuffer[8];
num2 = ((uint)INBuffer[9] << 8) + (uint)INBuffer[8];
num3 = ((uint)INBuffer[17] << 8) + (uint)INBuffer[16];
num4 = ((uint)INBuffer[19] << 8) + (uint)INBuffer[18];
num5 = ((uint)INBuffer[21] << 8) + (uint)INBuffer[20];
}
}
myDeviceInfo.CalibValue = (double)num1 / 10000.0;
myDeviceInfo.CalibValue1 = 1.0 + ((double)num2 - 30000.0) * 1E-05;
myDeviceInfo.CalibValue2 = 1.0 + ((double)num3 - 30000.0) * 1E-05;
myDeviceInfo.CalibValue3 = 1.0 + ((double)num4 - 30000.0) * 1E-05;
myDeviceInfo.CalibValue4 = 1.0 + ((double)num5 - 30000.0) * 1E-05;
myDeviceInfo.Subtype = (int)INBuffer[7];
myDeviceInfo.UnitVersion = (int)INBuffer[6];
}
}
catch (Exception ex)
{
}
return(myDeviceInfo);
}
