Get what we need from the two tables, and then the following code is expanded around the two pointers. (Unusual_dev and id) continue to read get_device_info ().
Row 3: Record unusual_dev in us. There is also such a member in us. In this way, it will be easy to use after recording. Because us runs through the whole story, it is very convenient to access its members and can be accessed at any time, however, the us_unusual_dev_list and storage_usb_ids tables will not be reused this time. Because w
USB flash drives are common among many external devices, but computer viruses are also caused by viruses carried by USB flash drives in many cases, on Windows 7, how does one disable the use of USB flash drives? Do you want to make your computer more secure? In fact, there is a magic system file in the computer, called the registry. We can modify the registry to
Before talking about the data transmission stage, we should first solve the historical issues left over. In usb_stor_bulk_transfer_buf (), row 406 has an interesting function called interpret_urb_result. This function is also from drivers/USB/storage/transport. C:
265 static int interpret_urb_result (struct us_data * us, unsigned int pipe,
266 unsigned int length, int result, unsigned int partial)
267 {
268 us_debugp ("status code % d; transferre
Cause:The company requires all computers to strictly control the use of USB interface, the company is a part of the Windows systemAnd a part of the machine is a Linux system.(If it is easy to implement control on a Windows system, use an account with administrator privileges toThe registry is easy to do, usually the majority of companies use domain control, then modify the domain policy on the lineUP).But before the CentOS7 really did not do (such as
For a USB-enabled motherboard to be installed on a USB flash drive, you must first prepare a hard drive with a system installed to complete the following steps.
1
1, using BOOTICE.EXE to write to the hard disk master boot record as Grubdos, the startup file name is GRLDR
2
2, download a U disk boot tool, your U disk to make a U disk boot.
3
3. Put the downloaded system into the
Install ubuntu on a USB flash drive and start Linux from the USB flash drive.
If we install the Linux system directly on our hard disk, the GRUB of Linux will overwrite the boot guide of window. It is not convenient to carry. So I want to install a ubuntu system on a USB flash drive, which can be started on any computer.
Preparations:
A 32g
First, verify the USB device is normal
: If the laptop is plugged into the USB device itself, there may be a problem with USB can not use the phenomenon.
Verification Method:Method One:Plug the USB device into another computer to see if the computer is available. If this device is not available on other computers, th
[OPPO Find7 How to turn on USB debugging? OPPO Find7 Open USB Debugging Method]
1 in our Oppo Find7 standby state Click "Settings" to enter and then find "normal" and then we find inside the "about mobile" to expand "more." (pictured below)
2) Then we click on the 4 times "version number" and then click on the "General" list, click "More" details as shown in the following figure.
3 Open "developer Op
Method One:
Click "Settings" on your phone to see that there is a "help setting"-"Developer Tools", and then directly find the USB debug mode on it, which is much simpler than the Android system, as shown in the following illustration.
Method Two:
Enter the phone interface directly input "*#* #6961 #*#", access to the USB interface, we click on to open.
Method Three:
Note and
Rome was not built in one day. Before making the USB flash drive work, we actually made a lot of preparations for the driver.
We continue to follow our feelings. storage_probe (), 972 to 975 rows, and a series of functions named init _ * are called at the moment. Here some lock mechanisms and wait mechanisms are involved, however, it is only initialization, but it is ignored for the time being. It will be explained later, but remember that each row o
Code for reading the serial number of usb hdd (USB mobile hard disk Information)
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 requires data conversion from a
For a long time, I wanted to experience Chrome OS. I just had a 4G pny plate. Today I carved Chrome OS on Windows 7 and started a USB flash drive to experience the latest Chrome OS. experience how to do it for the moment, enter win7 to find the disk needs to be formatted to use, after entering Ubuntu found that the disk has actually been attached to two parts, are in Linux ext3/4 format.
I first formatted it as FAT32 in win7 and found that after fo
1.S3 neo+ i9300i USB Debugging By default is not found on the phone we need in the "app".2. Inside the "set" click to enter.3. Furthermore, find the "general" inside, as shown in the following figure.4. In the Open interface we find "about the device" click on it to enter, details as shown in the figure.5. Well, you'll now see a "build number" where we have to click it 7 times in a row, prompting "developer mode enabled."
6. Click on the "
1 we found the "Setup" in the Red Meter note "system" and there will be a "about cell phone" in the phone's system.
2 We click on "about the phone" and then we will see you "Android version", now we just click on the Android version four times, then there will be the USB developers you want the option of OH.
3) Now we return to the mobile home page, then also click "Settings" in the settings inside now there is a "developer option" Click to ente
Because the i939i developer model is hidden, this is not the problem of this phone is Android4.1 later version of the system to hide the developer model, if you want to open it we need a simple operation.
1. Click on the "app" 0 "set" button to enter in the mobile phone standby state.3. Then we find the "About Device" button under "Settings" and click it.
4. Then you will see in the Open interface there is a "build number" we keep clicking until "developer mode is enabled" (Samsung mob
How does a USB flash drive become antivirus? _ Analysis of USB flash drive antivirus skills
USB flash drives are widely used, but there are not many computer viruses in the USB flash drives. Many people think that the computer will be poisoned, but they often ignore the virus in the
USB charging and plugging and USB debugging connect prompt
Find the code about USB debug enable in packages/apps/settings/src/COM/Android/settings/developmentsettings. Java:
Java code
Settings. Secure. putint (getcontentresolver (), settings. Secure. adb_enabled, 0 );
In this file, the value is saved to the settings database according to user settings. Action
Some basic concepts of USB
1. pipe is a data transmission model between the host and the device endpoint. There are two types of pipelines: unformattedStream pipe and message pipe ). Any USB device exists once powered onAn information pipe, that is, the default control pipe. The USB Host obtains the description, configuration, and status of the device through t
days before and after the spring equinox and three days before and after the autumn equinox, every reincarnation of manzhu and Sha Hua on the huangquan road smells the fragrance of the other side of the flower, you can think of yourself in the past, and swear not to separate, but only at this moment, because they will fall into the curse of the reincarnation, the soul through the guidance of flowers, to the Nether.
The Linux kernel introduces a daemon, which corresponds to this legend. A daemo
. From then on, Manzhu shahua is also called another shore flower, which means the flowers that are open to heaven. the flowers are in the shape of a palm that is only praying to heaven, but it never appeared in this city again. She will be on the huangquan Road during the cross-shore Autumn period (three days before and after the spring equinox and three days before and after the autumn equinox, every reincarnation of Manzhu and Sha Hua on the huangquan Road smells the fragrance of the other si
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