Article Title: three methods are supported for Linux-based USB devices. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source.
Introduction
Universal Serial Bus (USB) is a fast and flexible interface for connecting accessories and computer workstations. It is widely used.
Use an 8 gb usb flash drive to create multiple USB SeriesInitial Exploration of the System Boot Disk
Tool preparation: (search online)Can be found)
1. hp formatting tool.Rar
2. grub4dos-0.4.3-07-08-27.rar
3. grubutil-1.1-bin-w32-19.rar
4. UT163 Mass Production EngineerUT163 MPTool setup-v3.9.29.0.rar
5. USB flash disk master Chip DetectionTool ChipGeniUs.exe (ch
Bulk Driver Design for USB devices
Introduction
Universal Serial Bus (USB) is a serial interface with automatic configuration and good compatibility. It simplifies the connection between computers and peripherals and is widely accepted by computer peripherals hardware manufacturers. After the USB bus standard is upgraded from version 1.1 to version 2.0, the t
Linux USB driver workflow 1. in the Linux driver of a USB host, the USB driver is at the bottom of the USB host controller hardware. The driver runs on it and the USB core layer on the host controller, the upper layer is the driver layer of the
This article from the csdn blog, reproduced please indicate the source: http://blog.csdn.net/aaa6695798/archive/2009/11/06/4776202.aspx
All struct declarations can be found in the kernel source file USB. H. If you are interested, read the source code.
USB devices are actually complicated, but the Linux Kernel provides a subsystem called USB core to handle mos
1. Experimental environmentubuntu14.042. Start Usb-creator2.1 Click the search icon in the upper-left corner of the desktop, enter Usb-creator, and select "Startup Disk Creator" in "Application"2.2 Input in Terminal:Usb-creator-gtkYou can open the Startup disk creator directly3. Instructions for use3.1 Select mirror3.2 Select USB flash drive and format3.3 Set add
Most of the boards produced in recent years support starting systems from USB devices. With this function, even if the Windows XP operating system installed on the hard disk of the computer suddenly fails to start, the user can also start the flash drive through a pre-prepared USB for system check and repair. In the past, the simplest USB boot disk may only be a
After writing can also be used as a U disk storage other data, not affected. The advantages of making a USB U disk are many, such as without CD and CD-ROM, you can install the system, and support all major system platforms such as Windowslinux. Easy to operate and easy to use.
Here's the platform I tested:xp/windows7/windows8/win2003/win2008Linux Ubuntu/linux CentOS
Operating EnvironmentWindows 7 + UltraISO + w7.iso (System mirroring) + 8GU disk
Pr
[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
This article introduces the data transmission mode of USB bus, the format of USB data packets, and the composition and structure of USB peripherals.
I. Format of USB data packets
In a USB system, there are four types of data packets: token packets, data packets, and SOF pac
What should I do if my computer cannot recognize the USB flash drive?
Right-click my computer and select "manage" from the shortcut menu to open the "Computer Management" window. In the computer management window, select disk management under "Storage". If you can see a USB flash drive without a drive letter, right-click the USB flash drive, select the "Change dr
This article from Csdn Blog, reproduced please indicate the source: http://blog.csdn.net/aaa6695798/archive/2009/11/06/4776202.aspx
This part of all the structure of the Declaration can be found in the kernel source file usb.h, interested friends can read the source code.
USB devices are complex, but the Linux kernel provides a subsystem called USB core to handle most of the complex work, so this is wh
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
With the increasing number of USB devices, we have become more involved in driver development for USB devices. However, many beginners have the following three difficulties:First, we have little knowledge about the driver structure of wince and cannot focus on the development of the driver;Second, I did not understand the examples of the USB driver that comes wit
With the increasing number of USB devices, we have become more involved in driver development for USB devices. However, many beginners have the following three difficulties:First, we have little knowledge about the driver structure of wince and cannot focus on the development of the driver;Second, I did not understand the examples of the USB driver that comes wit
Installation Configuration minicom--------------------------------------------------
#
lsmod | grep usbserial(If you use the serial port directly, but do not use USB to switch serial device, this step can be skipped)
If there is usbserial, the system supports USB to the serial port.
Install minicom (fedora comes with minicom, this step can be skipped)
apt-get Install minicom
apt-get Install Lrzsz
Confi
1 in the Millet 2S desktop to find "settings" and then we click to enter, and then see below there is a "developer option" Now we click on it to enter.
2 Then we find "USB debugging" after entering the interface to open it, when we open will pop up a prompt, the content is "whether to allow USB debugging" click OK.
Friendly tips, this millet 2S did not upgrade to Android 4.2 Previous version of the ph
1 We click on the mobile desktop "settings" and then find "about the phone" to enter after the click "More" specific as the figure.
2) and then we find the version number, and then we click on 4 consecutive times, and then from "General"-"more".
3 good so in more inside will see there is a "developer option, and finally the USB debugging appears
Summarize
In fact, all Android 4.2 and later version of the
1. As shown in the following figure, we click the "Settings"-"All settings" interface in the Millet 3 phone.
2. Then in the following figure you will see a "about the phone" option, click Enter, and then see the Android version of the option.
3. Here I can open the developer option by simply clicking "Android Version" four times in a row.
4. In the developer options interface can be found in the USB debugging mode, click to open the
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