/// <summary>
/// Find and open a Delcom device. this.deviceHandle is set upon success.
/// </summary>
/// <returns>true on success.</returns>
private bool OpenDevice()
{
if (this.deviceHandle != InvalidDevcieHandle)
{
this.CloseDevice();
}
StringBuilder deviceName = new StringBuilder(Delcom.MAXDEVICENAMELEN);
// Search for the first match USB device, For USB IO Chips use Delcom.USBIODS
// With Generation 2 HID devices, you can pass a TypeId of 0 to open any Delcom device.
int findResult = Delcom.DelcomGetNthDevice(Delcom.USBDELVI, 0, deviceName);
if (findResult == 0)
{
Trace.TraceError("Device was not found");
}
else
{
uint newDeviceHandle = Delcom.DelcomOpenDevice(deviceName, 0);
if (newDeviceHandle == InvalidDevcieHandle)
{
Trace.TraceError("Device was found, but failed to be connected. device = {0}", deviceName.ToString());
}
else
{
this.deviceHandle = newDeviceHandle;
// Disable auto confirmation mode where the buzzer will sound when the button is pressed.
Delcom.DelcomEnableAutoConfirm(this.deviceHandle, 0);
}
}
return(this.deviceHandle != InvalidDevcieHandle);
}
public DelcomBuildLight()
{
var deviceName = new StringBuilder(Delcom.MAXDEVICENAMELEN);
var doesDeviceExist = Delcom.DelcomGetNthDevice(Delcom.USBDELVI, 0, deviceName);
if (doesDeviceExist == 0)
{
throw new IOException("Device does not exist");
}
_device = Delcom.DelcomOpenDevice(deviceName, 0);
}
public static uint OpenDelcomDevice()
{
int Result;
uint hUSB;
StringBuilder DeviceName = new StringBuilder(Delcom.MAXDEVICENAMELEN);
// Search for the first match USB device, For USB IO Chips use Delcom.USBIODS
// With Generation 2 HID devices, you can pass a TypeId of 0 to open any Delcom device.
Result = Delcom.DelcomGetNthDevice(Delcom.USBDELVI, 0, DeviceName);
hUSB = Delcom.DelcomOpenDevice(DeviceName, 0); // open the device
return(hUSB);
}
