Because the USB driver in Linux is already very complete,You only need to follow the following configuration. After the configuration, recompile the kernel and install it on the Development Board.
1. Modify make menuconfig
System type -->
Input core support -->
SCSI device support --->
[*] Legacy/proc/SCSI/support
* ** SCSI support type (disk, tape, CD-ROM )***
[*] Hid devices --->
--- Hid Dev
by Fanxiushu 2016 05-15 reprint or quote this article, please indicate the original author.People who have used VMware should know that VMware virtual machines have such a feature,When a USB device is plugged into the host, the USB device can be accessed in VMware's virtual machine system via setup.and accessing this USB device is just as true as inserting the
How to enable the USB flash drive on the MSI motherboard, how to enable the USB flash drive on the MSI motherboard Bios, and how to enable the USB flash drive on the MSI motherboard bios
Press the Delete key on the keyboard repeatedly to go to the main interface of the motherboard BIOS. (See)
Use the keyboard arrow key, select "Advanced BIOS Features", an
Code for reading the serial number of usb hdd (USB mobile hard disk information), USB HDD
Code, model, and split of the serial number of the usb hdd.
Visual Studio 2010 is successfully compiled.
The Code uses the related code in smartata. c In CrystalDiskInfo:
The following connection explains why scsi-related code req
What about USB devices that are not recognized by USB tips? USB interface Devices in our life is very common, not as common as our USB mouse, USB keyboard, USB speakers, USBU disk, etc., but the use of
U disk as a daily office most commonly used tools, most of its functional mastery is still only bucket, in fact, there are many practical u disk is still a lot of useful features to be dug, such as the use of ReadyBoost to make u disk variable memory, which for small memory computer is of great significance.
Use the ReadyBoost u disk to change the memory method is as follows:
1, on the inserted U disk let
Teach you how to use a USB flash drive to accelerate Windows 7. In fact, as early as Vista was launched, Windows can use a USB flash drive or other mobile disk ReadyBoost to improve system performance without Hpqkbfiltr. the support for sys files is still supported in Win7. Although the effect is limited, for computers with older configurations and smaller memory
This article was reproduced from: http://blog.csdn.net/zqixiao_09/article/details/50984074In the end user's view, USB device provides a variety of additional functions, such as file transfer, sound playback, etc., but it is consistent with the interface of all USB devices for USB host. A USB device consists of 3 functi
1. Identification
Please refer to your USB stick manual or the outer packaging, generally will indicate whether it is a "high-speed U disk" or "Support ReadyBoost technology", but also to ensure that the USB stick at least 256M more space-only in this way, to achieve this function. Then plug your USB stick into your c
I. Advantages of USB Interface
Simple, fast, support for plug-and-play and hot swapping
2. USB communication
Host is the core of USB communication, and the common USB host is PC. Any USB data transmission must be initiated and controlled by the host. All
From the Protocol to the Protocol (above)
In structusb_driver, the prototype of. Probe and. Disconnect is as follows:
836 int (* probe) (struct usb_interface * INTF,
837 const struct usb_device_id * ID );
838
839 void (* disconnect) (struct usb_interface * INTF );
Let's take a look at the parameter structusb_device_id, Which is needless to say. As we have already introduced, where does struct usb_interface come from? Let's start with struct usb_device.
We know that each device corresponds to a s
1, after the system plugged into the USB device, from the console interface has the following prompt:From the console information, you can see the inserted USB device name.As you can see, the plugged-in USB device is sde4.However, if the CRT tool is remotely connected to the past, you can use the following command to view the
often need to reinstall Windows Vista, then maybe your Windows Vista installation DVD has worn out almost as much as the USB disk, and the damage to repetitive reads and writes is almost negligible, with no fear of damaging the installation media for multiple reloading.
How can I use a USB disk to install Windows Vista?
First of all, you need a high whole u disk, you need to note that the current market
In the end user's view, USB device provides a variety of additional functions, such as file transfer, sound playback, etc., but it is consistent with the interface of all USB devices for USB host. A USB device consists of 3 function modules:USB bus interface ,USB logic devic
If you have a "High speed U disk" on hand, then congratulations! With the new Windows ReadyBoost technology, you can use it to extend your system memory--really an on-demand computer performance improvement!
1) Identification
Please refer to your U disk manual or external packaging, generally will indicate whether it is a "High speed U Disk" or whether "support ReadyBoost technology", in addition to ensur
I. Overview of the ContentUsing STM32 internal USB controller outside the larger page NAND FLASH k9f1g08u0a implementation of a 128M u disk.1, STM32 USB controller stm32f103of theMCUcomes withUSBfrom the controller, in accordance withUSBspecification of communication connections;PCThe data transfer between the host and the microcontroller is accomplished by sharing a dedicated data buffer that can beUSBd
In the code of the entire USB-storage module, the most soul part is in a function called usb_stor_control_thread (), which is naturally the climax of our entire story. Some special functions are called from the usb_stor_acquire_resources () function, which we will see soon. It only appears once in the whole play, that is, in storage_probe, where the row number is 1005.
However, before that, there were four functions in front of us, namely get_device_i
In the previous article, we have given the link address of the USB protocol, from this article, we will involve a lot of USB 1.1 content, our guiding ideology is to start with the familiar USB 1.1 protocol, first use off-the-shelf HCD and USBD, directly face the client driver programming, see the results as soon as possible, So that readers have confidence in the
1, first of all, see your U disk manual or external packaging, generally will indicate whether the "High speed U Disk" or whether "support ReadyBoost technology", in addition to ensure that the U disk at least 256M more than the space-only in this way, to achieve this function. Then plug your USB drive into your computer's port. Accidental discovery, in fact, the general U disk even mobile memory card can a
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