hackintosh usb

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

Install a Linux system to a USB flash drive or a USB flash drive for a linux System Step 1: First insert the usb flash drive to the usb interface of the Computer Host (it is recommended to insert the usb interface to the rear of the hosts box), and then open the UltraISO sof

USB protocol analysis, usb protocol 1. Description structure of USB devices 1. Logical Organizational Structure The logical organization of a USB device consists of four layers: device, configuration, interface, and endpoint. A device usually has one or more configurations. The configuration usually has one or more int

"Come out and try again sooner or later ." Basically, LinuxEach directory in the kernel has a makefile. MakefileAnd kconfigJust like a map of a city, a map leads us to know a city, while makefileAnd kconfigSo that we can understand the structure under this directory. Drivers/USB/storage/Makefile under the DirectoryThe content is as follows: Lfg1:/usr/src/linux-2.6.22/Drivers/USB/storage #Cat makefile # # Ma

1-2 is omited, for more detail please referWww.usb.org. ....... 3 layout guidelines 3.1 General Routing and placementUse the following general routing and placement guidelines when laying out a new design. TheseGuidelines will help to minimize signal quality and EMI problems. The high speed USB validation effortsFocused on a four-layer motherboard where the first layer is a signal layer, the second layer is power,Third layer is ground and the fourth i

Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called bulk-only protocol for batch transmission. It is shown here. 371/* we 've got a command, let's do it! */ 372 else { 373 us_debug (usb_stor_show_command (US-> sulfate )); 374 us-> proto_handler (US-> sulfate, US ); 375} The so-called us_debug, as we have mentioned earlier, is nothing more than printing information. At present, this sentence is to execute the function usb_stor_show

Storage_probe is a very interesting function with a total length of less than 100 rows, but has done a lot of things. It is like the Back Waist on the football field, such as Chelsea's mark le. It is not remarkable on the court, however, they have made outstanding contributions to the entire team. Let's continue to read the storage_probe code: 972 mutex_init ( (us-> dev_mutex )); 973 init_MUTEX_LOCKED ( (us-> sema )); 974 init_completion ( (us-> notify )); 975 init_waitqueue_head ( us-> del

the daemon loops. Line 3: as long as the result of the preceding command is that the result of the port-> result is not DID_ABORT, the command is successfully executed. So we call the scsi_done function. Row 390, SkipForAbort, is a row flag that corresponds to the previous goto SkipForAbort statement. To continue, Row 3 and the preceding comments are also quite clear. If us_f1_x_timed_out is set, the process with this flag is actually wakened by command_abort, we will talk about command_abort

Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called Bulk-Only protocol for batch transmission. It is shown here. 371/* we 've got a command, let's do it! */ 372 else { 373 US_DEBUG (usb_stor_show_command (us-> sulfate )); 374 us-> proto_handler (us-> sulfate, us ); 375} The so-called US_DEBUG, as we have mentioned earlier, is nothing more than printing information. At present, this sentence is to execute the function usb_sto

1. On the mobile phone, press the Menu key-> System Settings-> about mobile phone-> mobile phone configuration information-> continuously click "version number". Then we can see a prompt on the mobile phone..Step 2. After opening it, click "system settings"-"developer options" and select "USB debugging.Okay, then we can connect the mobile phone to the computer for flash or software installation.

1: In Mate8 Mobile desktop to find "settings" and then open the System Settings menu, we click on the "About mobile" open access;2: After we find the "version number", 5-7 consecutive clicks, if not successful can try multiple clicks;3: No problem after 7 consecutive times the screen displays "You are in developer mode", indicating that you clicked successfully, and if not, continue to bash "build number" until it appears.4: Then we exit and then go into the phone's "settings" and now see there

1. We first need to switch on the mobile phone on the USB debugging, first in the mobile phone desktop to find the "application" as shown in the picture. 2. Then we'll find the "Set" button and click Enter. 3. Then click on the "More" button as shown in the following figure. 4. Well, in more, you'll see a "about the device" panel. 5. In the click into the device we will see a "build number", straight now we continue to

1. Click "Settings" in the Xperia Z1 interface to enter the phone 2. Then in the open Xperia Z1 settings click on "About mobile" into 3. Then we entered the "About mobile" interface as shown in the following figure 4. We move to the bottom, we will see the software version 5. Now we just click 3 times on the software version and click 3 consecutive times. 6. So the phone screen will prompt you to open the developer mode press the return key 7. Now we go back to the setup and we

1. Under the phone we found the A7 standby desktop "application."2. Below we click on the icon "set" below.3. If we do not see "about the device" slide with the finger to find about the device button.4 into the about the device we will see that there is a "build number" below, we only click 7 consecutive times, will prompt "developer mode is enabled."5. OK now we can click on the " Click the Developer option to open the entry, we will see the USB mod

1 in the Vivo xplay3s mobile phone application interface to find the "Settings" icon, click to enter after we find "system settings" and then go to find inside the "about the phone" (about the tablet) we now click on it to enter. 2 in the open about the mobile interface we find "version number" and then click 7 consecutive times, direct screen display after the prompts we then click the "Back" Settings menu interface to select "Developer Options" 3 OK now we go to the developer option and

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

With USB3.0 control chip motherboard, although has become the mainstream of the market, but for most users still use USB2.0, USB2.0 file transfer speed also seems to be unable to meet their requirements. In fact, now USB2.0 speed there is room for improvement, we can use the speed-increasing patch to explore the potential of USB2.0. USB 2.0 Why not reach the 60mb/s? We all know that the theoretical bandwidth of