1. First git to download the code, put it under the home foldergit clone https://github.com/OpenKinect/libfreenect2.git2. Then install the dependencies as follows, preferably pre-compiled and installed OpenCVsudo apt-get install build-essential cmake pkg-config libturbojpeg libjpeg-turbo8-dev mesa-common-dev Freeglut3-dev Libxrandr-dev Libxi-dev3. Then install the LIBUSB. You need to add a PPA heresudo apt-add-repository ppa:floe/libusbsudo apt-get updatesudo apt-get Install Libusb-1.0-0-dev4. T
be ignoredunmount disc: Umount/mnt/cdrom or umount/dev/sr0 note that when uninstalling, the working directory must be outside the Mount directory to be uninstalled properly, so first exit the CD mount point and then specify uninstall (the uninstall command must be executed!). Otherwise the subsequent file will be faulted)Mount USB Drive process (FTA32 file system):1, u disk and HDD belong to the same system, so do not know the hardware files, so first use fdisk-l to view USB stick device files2
, you continue after, here also has a registration option, which was not previously, this is 10.8 unique technical support registered, can skip not input.Finally see: Thank you! Already prompted: Start using your Mac, it's estimated you're impatient to get into the desktop.What: The video card is not driven, there is no network, no sound, USB3 also can not use, what is this system Ah! The perfect drive is another start for Mac.now the system is instal
What if the Win7 system installs the USB3.0 driver failure?
Cause of failure: Indicates that the USB3.0 driver for this machine is not installed properly. Currently, there is no separate USB3.0 device driver download link in the driver Web site, but it is integrated with the graphics driver, motherboard chipset driver, and so on.
Solution:
Method One:
1, can try to reinstall the official website provided motherboard chipset and graphics driver, the installation process to select "Custom" t
to setup address. [1857.548835] USB 3-1: Device not responding to setup address. [1857.755378] USB 3-1: Device not ACCEpting address, error-71[1857.878748] USB 3-1: New Full-speed USB device number, using xhci_hcd[1857.878928] USB 3 -1:device not responding to setup address. [1858.085480] USB 3-1: Device not responding to setup address. [1858.292078] USB 3-1: Device not accepting address, error-71[1858.292115] USB usb3-port1:unable to enumerate USB D
other end is Usb-c, VGA, USB3.1 connectors, so you can use the computer, connect the projector, for the computer charging, can also insert a U disk, but this adapter is not cheap, nearly 600 yuan.
Cost: RMB 588 (USB-CVGA multi-port connector)
3, want to use a MacBook external TV
Now the TV is equipped with HDMI holes, many computer screens have, MacBook Pro still has HDMI hole, but the MacBook Air is not, of course, the new MacBook appeal more frivolous will not have.
You want to exper
up or more convenient, but the actual environment is, now the notebook without 1394, also do not have this Pci/pcie 1394 card.USB3WIN8 kernel debugging support USB3, but need a a-a cable, no hardware, had to give up.Finally, choose the net way that everyone can have:Three network cable, a router, side to the local area network (two network cable, add a router, not connected to the local area network, I did not succeed, because the network card of bot
Open Interface (serial no data come over)Minicom configuration is complete, then the installation program downloaded to the final step of the target board, the first to install Libusb-dev this library, directly in the input instructions sudo apt-get install Libusb-dev installed after the download tool, the online cattle to provide one, The code is as follows:#include 1) Save the above code as a file such as: dnw1.c2) Then compile:GCC dnw1.c-o dnw1-l usb3
to that of Cisco IOS. Although its configuration is somewhat different from that of IOS, it is quite easy for network engineers who are familiar with IOS to work in this environment.
Install ZebraOur Zebra testing platform is an old but still very useful ThinkPad X20, which runs Red Hat Linux 9. ThinkPad has a built-in Ethernet interface, and we add a PCMCIA ethernet card to it to enable the router function. Before installing Zebra, we confirm that b
-BOOT> reboot to restart the router)
After the router is started, enter the management mode and copy the system image file to the flash card. The command format is as follows: System image add for example: "10.10.10.2" is the IP address of the computer, and "ssr3200" is the System image file name stored in the root directory of the tftp server. After "kernel:", the Progress indicator is displayed: from 0% to 100%. After the download is complete, perform automatic verification to determine whethe
OSS Mixer API
Oss pcm (digital audio) API [*] OSS Sequencer API
RTC Timer support [*] Verbose printk
[] Debug
Then let's look down at
Generic devices ---> enter
Dummy (/dev/null) soundcard
Virtual MIDI soundcard
MOTU MidiTimePiece AV multiport MIDI
UART16550 serial MIDI driver
transmission protocols are more compatible with earlier versions. For example, IEEE 802.11n is compatible with the previous versions. At present, IEEE 802.11a wireless network standards have been eliminated, the other three types can reach 11 Mbps, 54 Mbps, and Mbps respectively in terms of speed. Of course, the price will also increase as the speed increases. In addition, this speed is only a theoretical speed, the same standard wireless router and wireless network card must be used together t
can make full use of the existing network environment, you can also avoid unnecessary troubles such as re-wiring.It is required to cover about 400 m² square meters of open office environments, and 13 devices require wireless Internet access.
Required DevicesAccording to the analysis of the company's existing environment, it is a typical case of wireless networks as a supplement to wired networks.Devices used in this solution: I. 3 PCMCIA Interface wi
the economy. It can also be achieved through newsgroups or mailing.
List quickly solves any problems encountered by users.
Comparison of system openness
For many large and medium-sized systems, most of the software is written on UNIX platforms. Therefore, whether RTOS provides POSIX/UNIX
API is very important.
QNX openness:
* Qnx posix compatibility and UNIX-specific compilers, debuggers, and X
Windows and TCP/IP are familiar to UNIX programmers.
* Multiple CPUs supported: AMD
The previous article also introduced the basic content of wireless network interfaces. This article describes how to use wireless network interfaces. First, the precautions for installing and uninstalling wireless network interfaces are introduced. Next, we will introduce the driver. For more information, see the following.
The types of wireless NICs mainly include the USB interface type and the PCMCIA Interface Type. These two types of wireless NICs
Use hotplug to install the hotplug package in triggering network settings for hot-plug support. You can insert a card (for example, a PCMCIA card) into the machine at startup or after tools such as discover start and load necessary driver modules, hot Plug your network hardware. When the kernel detects a new hardware, it initializes the hardware and runs the hotplug program to configure the hardware. When the hardware is deleted, the kernel runs hotpl
PCI slot wireless network card:You can enable your computer to communicate with other computers over the network without cables. The wireless network adapter is similar to other network adapters. The difference is that it uses radio waves instead of physical cables to send and receive data. An external antenna is required for wireless network adapters to expand their effective range.
PCMCIA slot wireless network adapter:Just like the wireless network
Because of its many advantages, Windows XP has become the preferred Operating System for notebook users. It is compatible with various external interfaces, drivers with USB, IEEE1394, PCMCIA, and other standard interfaces are a major advantage.However, for many notebook users, especially for commercial purposes, many interfaces are rarely used. For example, the most commonly used interfaces are Ethernet interfaces, the infrared interfaces are rarely t
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