usb token device

This article mainly and the vast number of computer users to share the smart way of lazy computer, how to implement the remote sharing of USB device tips, in today can be said to be a computer network era, many families have more than one computer, if you are using computer A, suddenly want to use computer B in the flash memory, mobile hard disk, printer, We're going to have to turn these devices around. Fo

I. OverviewThe company recently asked me to implement the USB device into Ubuntu, automatically shared to the network, like Windows share (such as \\192.168.1.10) access to content inside, do not need write permission. At that time listen to this demand, I this new person said stunned, immediately search the relevant documents on the Internet, and run to ask the supervisor, this function has been realized?

USB firmware Development (mass storage device) The mass storage device, that is, a large-capacity storage device, is more typical than a USB flash disk. the USB flash disk is generally implemented in bulk only transmission mode. 1

USB devices is anywhere nowadays, even many embedded devices replace the traditional serial devices with USB devices. However, I experienced that USB devices-to-time. In most cases, a manual unplug and replug would solve the issue. Actually, USB reset can simulate the unplug and replug operation.First, get the

Solution method One: Release clear off the Clipboard Caused "Unable to stop the universal volume device", generally there are reasons, such as the above mentioned reason is the most common, the solution can be released to clear off the Clipboard, you can casually copy anything on the hard drive to release the copy operation in the U disk. You will then find that you can remove the USB drive

1,USB Storage equipment (such as: U disk, Mobile hard disk): USB storage Device Plug monitoring is consistent with the SD card Plug and unplug monitor. Copy Code code as follows: Private Usbbroadcastreceiver Mbroadcastreceiver; Intentfilter iFilter = new Intentfilter ();Ifilter.addaction (Intent.action_media_eject);Ifilter.addaction (intent.action

been inserted by a device. In this case, you need to analyze the port status. For port analysis, you can try it four times, it is mainly used to eliminate various interference. 5. 11. allocate space (struct usb_device) for the coming device. Set the connection status for the device structure of the coming device, the

: // Enable USB port read/write, determined by the driver pipe nameHandle hpipe = openmydevpipe ("mypipe1"); // The Pipe name in the driver, corresponding to the I/O that accesses an endpoint. Here I am writing it in disorder and it must be consistent with the driverIf (hpipe! = Invalid_handle_value) // The pipe is successfully enabled.{Readfile (hpipe, buffer, bufsize, nbytesread, null); // read data from hpipe to

Figure 1: Unrecognized USB device Figure 2: If your USB device is not recognized by your computer, a ldquo; in the computer Device Manager appears as shown in the following image Unknown devicerdquo; English. Reason 1.USB li