public void StartAcquisition()
{
if (usbDeviceReg.Open(out usbDevice))
{
IUsbDevice wholeUsbDevice = usbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
}
byte epNum = byte.Parse("1");
usbReader = usbDevice.OpenEndpointReader((ReadEndpointID)(epNum | 0x80));
usbReader.DataReceived += USB_DataReceived;
usbReader.Flush();
usbReader.DataReceivedEnabled = true;
}
else
{
MessageBox.Show("Failed to open USB device.", "USB Connection Error", MessageBoxButtons.OK);
}
}
private bool openDevice(int index)
{
bool bRtn = false;
closeDevice();
chkRead.CheckedChanged -= chkRead_CheckedChanged;
chkRead.Checked = false;
cmdRead.Enabled = true;
chkRead.CheckedChanged += chkRead_CheckedChanged;
if (mRegDevices[index].Open(out mUsbDevice))
{
bRtn = true;
// If this is a "whole" usb device (libusb-win32, linux libusb)
// it will have an IUsbDevice interface. If not (WinUSB) the
// variable will be null indicating this is an interface of a
// device.
IUsbDevice wholeUsbDevice = mUsbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
}
if (bRtn)
{
if (String.IsNullOrEmpty(comboBoxEndpoint.Text)) comboBoxEndpoint.SelectedIndex = 0;
byte epNum = byte.Parse(comboBoxEndpoint.Text);
mEpReader = mUsbDevice.OpenEndpointReader((ReadEndpointID)(epNum | 0x80));
mEpWriter = mUsbDevice.OpenEndpointWriter((WriteEndpointID)epNum);
mEpReader.DataReceived += mEp_DataReceived;
mEpReader.Flush();
panTransfer.Enabled = true;
}
}
if (bRtn)
{
tsStatus.Text = "Device Opened.";
}
else
{
tsStatus.Text = "Device Failed to Opened!";
if (!ReferenceEquals(mUsbDevice, null))
{
if (mUsbDevice.IsOpen) mUsbDevice.Close();
mUsbDevice = null;
}
}
return bRtn;
}
private bool openDevice(int index)
{
bool bRtn = false;
closeDevice();
if (mRegDevices[index].Open(out mUsbDevice))
{
bRtn = true;
// If this is a "whole" usb device (libusb-win32, linux libusb)
// it will have an IUsbDevice interface. If not (WinUSB) the
// variable will be null indicating this is an interface of a
// device.
IUsbDevice wholeUsbDevice = mUsbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
}
if (bRtn)
{
byte epNum = endpoint;
mEpReader = mUsbDevice.OpenEndpointReader((ReadEndpointID)(epNum | 0x80), 64);
mEpWriter = mUsbDevice.OpenEndpointWriter((WriteEndpointID)epNum);
mEpReader.DataReceived += mEp_DataReceived;
mEpReader.ReadBufferSize = 64;
mEpReader.ReadThreadPriority = ThreadPriority.AboveNormal;
mEpReader.Flush();
}
}
if (bRtn)
{
tsStatus.Text = "Device Opened.";
}
else
{
tsStatus.Text = "Device Failed to Opened!";
if (!ReferenceEquals(mUsbDevice, null))
{
if (mUsbDevice.IsOpen) mUsbDevice.Close();
mUsbDevice = null;
}
}
return bRtn;
}
private void OpenDevice()
{
if(_usbDevice != null && _usbDevice.IsOpen)
return;
// Find and open the usb device.
_usbDevice = UsbDevice.OpenUsbDevice(_usbFinder);
// If the device is open and ready
Debug.Assert(_usbDevice != null, string.Format("No device with PID: {0:X4} & VID: {1:X4} Found!", _pid, _vid));
// If this is a "whole" usb device (libusb-win32, linux libusb)
// it will have an IUsbDevice interface. If not (WinUSB) the
// variable will be null indicating this is an interface of a
// device.
var wholeUsbDevice = _usbDevice as IUsbDevice;
if(!ReferenceEquals(wholeUsbDevice, null)) {
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
}
// open read endpoint 1.
_epReader = _usbDevice.OpenEndpointReader((ReadEndpointID) EpIn);
_epReader.Flush();
// open write endpoint 1.
_epWriter = _usbDevice.OpenEndpointWriter((WriteEndpointID) EpOut);
LibMain.OnConnectedChanged(true);
}
public bool openDevice()
{
bool bRtn = false;
closeDevice();
#region integration needed
mRegDevices = UsbDevice.AllDevices;
GC.Collect();
foreach (UsbRegistry regDevice in mRegDevices)
{
// add the Vid, Pid, and usb device description to the dropdown display.
// NOTE: There are many more properties available to provide you with more device information.
// See the LibUsbDotNet.Main.SPDRP enumeration.
if (regDevice.Vid == MY_VID && regDevice.Pid == MY_PID)
{
regDevice.Open(out mUsbDevice);
IUsbDevice wholeUsbDevice = mUsbDevice as IUsbDevice;
if (!ReferenceEquals(wholeUsbDevice, null))
{
// This is a "whole" USB device. Before it can be used,
// the desired configuration and interface must be selected.
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
bRtn = true;
}
}
}
#endregion
if (bRtn)
{
mEpReader = mUsbDevice.OpenEndpointReader((ReadEndpointID)0x81);
mEpWriter = mUsbDevice.OpenEndpointWriter((WriteEndpointID)0x01);
/*mEpReader = mUsbDevice.OpenEndpointReader((ReadEndpointID)(epNum | 0x81));
mEpWriter = mUsbDevice.OpenEndpointWriter((WriteEndpointID)0x01); */
mEpReader.DataReceived += mEp_DataReceived;
mEpReader.Flush();
}
if (bRtn)
{
//tsStatus.Text = "Device Opened.";
}
else
{
// tsStatus.Text = "Device Failed to Opened!";
if (!ReferenceEquals(mUsbDevice, null))
{
if (mUsbDevice.IsOpen) mUsbDevice.Close();
mUsbDevice = null;
}
}
return bRtn;
}
