usb ptp

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

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

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

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

USB has become one of the indispensable interfaces of PC, almost all devices can be connected to USB devices, USB keyboard, mouse, printer, camera, and commonly used U disk and so on, starting from this article, will focus on the use of USB devices in Dos method, There will be several temporary difficult to set, write

If you want to connect to the 91 assistant and other related software must turn on the USB debugging section, we operate the method is very simple, click on the Phone "application" (Note on the Phone desktop standby state). 2. Then we find the application below the "set" icon to click on it to enter. 3. Here we will see there is a "about the device" click on it to enter. 4. Then in the open about the device interface will hav

Question 1: The computer USB interface is very slow to charge The computer charge itself is slower than the direct connection to the power supply, because the computer's USB current is small, generally can not reach the standard of electrical appliances, so we try to use the power to charge. Question 2: Millet 4 is very slow to charge Charging speed and charge current and battery activity related, if 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

scsi_lock (host ); 379 380/* did the command already complete because of a disconnect? */ 381 if (! Us-> server load balancer) 382;/* nothing to do */ 383 384/* indicate that the command is done */ 385 else if (us-> sulfate-> result! = DID_ABORT 386 US_DEBUGP ("scsi cmd done, result = 0x % x \ n ", 387 us-> sulfate-> result ); 388 us-> server load balancer-> scsi_done (us-> server load balancer ); 389} else { 390 skipforab ORT: 391 US_DEBUGP ("scsi commandaborted \ n "); 392} 393 394/* If an a