In the first half of this year, I transplanted a Linux driver to a common vimicro camera on the market to an Embedded Development Board. The development environment is:
OS: linux2.6.9
Compile: Cross 3.3.2
CPU: Intel PXA270
Camera type: vimicro zc301p + hv7131r
The driver source code used is based on the free software spca5xx. Some minor changes were made based on the source code. Record it.
USB driver archi
How do I use a USB flash disk in the old Linux version or the Linux version to be configured? -- Linux general technology-Linux technology and application information. For details, refer to the following section. First, make sure that the
origin:https://blog.csdn.net/wuyuwei45/article/details/8926858
Linux kernel2.6 in the above version, the USB device-driven interface changed to Gadget, in the Kernel/driver/usb/gadget directory mainly includes platform USB UDC drive and gadget interface driver.
Kernel/driver/usb
Linux mount U disk steps are as follows
1: The USB disk plug into the interface, check whether inserted good
2: Check partition and USB device information with fdisk command
[Root@wgods ~]# Fdisk-l
disk/dev/sda:1000.2 GB, 1000204886016 bytes255 heads, Sectors/track, 121601 cylindersUnits = Cylinders of 16065 * 8225280 bytes
Device Boot Start End Blocks Id Sy
If the USB device in Linux works properly, you must insert a USB Bridge module into the system. At the beginning of the check, it is generally necessary to check whether the/proc/bus/usb directory exists. If not, try to insert the USB Bridge module. There are two types of
As an IT cainiao, using PE to maintain the system can no longer meet my needs. It is too common to put windows into a USB flash drive, so I can only turn to Linux.
I searched for the tutorials from the Internet, but they were all Tutorials that fell short of my teeth N years ago. If you don't want to talk about anything else, it will make people vomit.
The times are evolving and technologies are advanci
LInux USB Architecture
you can see that a USB system requires 4 drivers: USB device driver (mainly written in this section) , USB Host Controller driver , Gadget Drive , UDC Drive .
There are 4 main features of
. all the files in iso. For linux systems, USB-connected mobile hard disks are treated as SCSI devices. Before inserting a mobile hard disk, use fdisk-l or more/proc/partitions to view the system's hard disk and hard disk partition. [Root at pldyrouter/] # fdisk-l here we can clearly see that the system has a SCSI hard disk/dev/sda and its four disk partitions/dev/sda1 --/dev/sda4, /dev/sda5 is the logical
How can I use a USB flash drive in Linux? -- Linux general technology-Linux technology and application information. For details, refer to the following section. USB device usage in linux
Environment:
(1)Before using the optical drive, Mount: # Mount/dev/CDROM/mnt/CDROM, and then you can read the content of the disc in the/mnt/CDROM directory;(2)When you want to exit the CD, you must use the umout command. Otherwise, the CD drive will remain deadlocked: # umount/mnt/CDROM. You can also exit the CD directly: # eject
Load ISO files
Mount-o loop ISO file name destination directory
For example: # Mount-o loop/mnt/wind/FC4-i386-disc1.iso/mnt/temp/
I. Loading
gadget, the interface is very friendly, here do not repeat. (UNetbootin was used at the back end of the "Deepin boot Maker" released on June 11, 2014)http://unetbootin.sourceforge.net/1.3. Booting or installing the system via ISORestart the machine and choose to boot with a USB device.Assuming that you are writing a live-form Linux system (similar to WinPE), you can boot a CD/u disk system.2. Create and re
Red Hat Linux mounting USB flash drives
In our Red Hat Linux installation, half of the machines are the most basic server configurations, and there is no desktop environment. It is difficult to copy files from U. You only need to check them on the Internet, so you must first load them to the/mnt directory of the Linux
Linux tips 5-format a USB flash drive and linux tips 5 --
Generally, it is very easy to format a partitioned USB flash disk. You only need to use The mkfs command to specify the target file system. The example is as follows:
$ sudo fdisk -l$ sudo mkfs -t vfat /dev/sdb1
The-t parameter is the target file format. Other
In fact, the two systems are the same, Linux Mint is based on Ubuntu, but the desktop is not the same, multimedia integration is more user-friendly, although Ubuntu is now launched for Chinese users Kylin version, but feel good cottage, a lot of details are messy, especially that calendar. The two are installed exactly the same way. Here are just a few things to note, Memo!
Download the ISO installation package, pay attention to the CPU archi
Transferred from: http://blog.csdn.net/jimmy_1986/article/details/5838297Embedded Linux USB belongs to all the drivers of a very complex subsystem, want to completely conquer her, at least a few months, do not believe? That's not what you did.I have done 2 years of embedded drive development, USB accounted for more than half time. During a lot of detours, the fol
The basic idea of starting a USB flash disk Linux and WinPE is as follows: process the USB flash disk, enable it, and install GRUB4DOS. then, integrate various boot disks to enable grub4dos. Production Process: A, U disk can be started to enable processing U disk boot mode USB-HDD,
1, through the ISO to create a bootable U disk system.
1.0, format the U disk for FAT32 format
Linux can use the command
Mkfs.vfat u disk's device path
For example:
Mkfs.vfat/dev/sdb
where the U disk path can be viewed by command DF
1.1, the simplest method (but some cases will fail, and the U disk can not put other files, need to be formatted before use):
DD If=iso path of=u disk's device path
For example:
DD If=centos-6.5-livedvd.iso OF=/D
How to mount a USB flash disk in LinuxHow to mount a USB flash disk in Linux
There is no doubt that this is a very simple problem, but it is also a problem for beginners. So let's take a look at how to mount a USB flash disk in linux (taking Ubuntu14.04 as an example)
The di
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