/// <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); }