usb

EDITED Hello programmers Community, I have some problems dealing with pyserial in Python 3.4 first I do not have serial ports so I have used "Virtual Serial Port Driver 7.2 by Eltima Software" to create virtual serial ports in pairs, which means that I can try to send and receive data from these ports, in my case I just create COM1 connected to COM2, then I installed Hercules SETUP utility by HW group to monitor these serial ports, so IN THEORY IF I SEND(write) DATA IN PYTHON I CAN SEE IT IN HERCULES AS THIS LINK SHOWS https://www.youtube.com/watch?v=DItyttmpRtY I was trying to create my own

I want to alert a user of a new message using some kind of USB device (e.g. a flashing light). Is it possible to control a USB device from ASP.NET or Silverlight? You could possibly do this using a custom ActiveX component and som javascript in your webpage. Alternatively you could use a Silverlight 4 application running in out-of-browser mode, but that is probably not what you want. SL4 can access locally installed Com components it is is running in out-of-browser mode, so in that case this should be realtively easy to do. ASP.NET will need the assistance of a client side technology so the

Using the library in this link http://www.blog.kslemb.com/doku.php/en/projects/globx/java_hid I have been modfied this code to write on a HID terminal if (HIDHandle.equals(WinBase.INVALID_HANDLE_VALUE)) { return HID_DEVICE_NOT_OPENED; } /* Write Feature report */ boolean Status=Kernel32.INSTANCE.WriteFile(HIDHandle, buffer, (int)buffersize, null, null); if (Status == false) { debug("Write File: " + getSystemError(Kernel32.INSTANCE.GetLastError())); return HID_DEVICE_TRANSFER_FAILED; } else { return HID_DEVICE_SUCCESS; } This code would successfully writes on the HID device but then it would

I have an embedded device with a USB connection. When the user plugs the device into their PC (Windows, OSX), how does the operating system discover what drivers to install? How do I get my drivers to be selected? Can they reside on some central server (run by the OS vendor)? This is for Windows : When a USB device is plugged into the system, the USB bus driver is notified. The bus driver sends a standard USB request (USB_DEVICE_DESCRIPTOR) to the device. With this the device reports its name and type. (bDeviceClass/bDeviceSubClass/bDeviceProtocol). With this information, Windows creates an

I want to build a windows application in C#.net which should identify the installed Adroid OS version (e.g. 4.0) and user friendly Device Name (e.g. Samsung Galaxy S3, Samsung Galaxy Tab 8.9 etc.) when you connect an Android device to your computer via USB. I tried with the System.Management class to identify the connected USB devices on my machine, however, the problems I had were: I just have 3 USB ports and connected the Samsung Galaxy Tab 8.9 on one of the USB ports and tried to get the list of USB devices using USBhub WMI class and I got around 6-7 results in the list including the