// @brief open selected USB device
//
public bool usbOpenHIDInterface(int selectedIndex, showUSBData rxCallback)
{
allDevices = UsbDevice.AllDevices; // get all usb devises
try
{
allDevices[selectedIndex].Open(out MyUsbDevice);
// Configure selected USB device for read/write operation
// Configs -> InterfaceInfoList -> EndPointsInfoList -> Descriptor
// Get number read data from endpoint 0x81
UInt16 numEndPoints = MyUsbDevice.Configs[0].InterfaceInfoList[0].Descriptor.EndpointCount;
UInt16 cnt;
for (cnt = 0; cnt < (numEndPoints); cnt++) // temporary solution - looking for EP_1
{
if (MyUsbDevice.Configs[0].InterfaceInfoList[0].EndpointInfoList[cnt].Descriptor.EndpointID == 0x81)
{
rxBuferSize = MyUsbDevice.Configs[0].InterfaceInfoList[0].EndpointInfoList[cnt].Descriptor.MaxPacketSize;
}
if (MyUsbDevice.Configs[0].InterfaceInfoList[0].EndpointInfoList[cnt].Descriptor.EndpointID == 0x01)
{
txBuferSize = MyUsbDevice.Configs[0].InterfaceInfoList[0].EndpointInfoList[cnt].Descriptor.MaxPacketSize;
}
}
wholeUsbDevice = MyUsbDevice as IUsbDevice;
// Select config #1
wholeUsbDevice.SetConfiguration(1);
// Claim interface #0.
wholeUsbDevice.ClaimInterface(0);
// open write endpoint 1.
writer = MyUsbDevice.OpenEndpointWriter(WriteEndpointID.Ep01);
// open read endpoint 1.
reader = MyUsbDevice.OpenEndpointReader(ReadEndpointID.Ep01);
//Set Rx Callbac function
libUSBRxCallback = rxCallback;
setStetOffStream = true;
readLibUSBThread = new Thread(readUSBHID);
readLibUSBThread.Start();
return(true);
}
catch
{
return(false);
}
}
//@brief Show USB Rx data
//
public void showUSBRx(byte[] data_array, int dataSize)
{
int cnt;
string rxString = "Read: " + DateTime.Now.ToString("hh:mm:ss:fff") + " - ";
if (listBoxRxEP1.InvokeRequired)
{
showUSBData d = showUSBRx;
Invoke(d, data_array, dataSize);
}
else
{
for (cnt = 0; cnt < dataSize; cnt++)
{
rxString += Convert.ToString(data_array[cnt], 16) + " ";
}
listBoxRxEP1.Items.Insert(0, rxString);
}
}
