allwinner tablet

, only start, stop and feed the dog three, can be called at any time.Due to the need for continuous dog feeding operation, the watchdog is used in the operating system, preferably with a thread to complete. The thread is a loop that waits according to its own specified interval time, times out after feeding the dog, and then continues to waitThe use of threads in Free Pascal is best implemented in a class way. APIs such as direct calls to CreateThread also work, but this is too close to the oper

of another channel, and a specific channel to read the data operation, because it can be operated separately, So it is encapsulated in the ordinary class.please download the ClassA20 class library at https://github.com/tjCFeng/ClassA20. Tip: If you want to open a cell file, or want to see a function, definition, etc., just move the mouse over the top, hold down the CTRL key, the mouse will become a hand, and then click the mouse, you can open the file directly and jump to the corresponding loca

DATEUITLS unit at the top of the uses.Because it is too simple to explain, look at the effect of the operation. The direct fetch time after running will show 0 because the RTC has not yet been set to a value. After setting the continuous click Get, will find the number of seconds in the change, the call succeedsIt is important to note that changing the value of RTC does not change the system time because it is directly operating on the underlying hardware and not through the operating system. s

When it comes to RTC, it's important to say backup registers. In general, after the RTC has been set, a flag is made in the backup register indicating that the current time has been set and no need to be reset, and when this flag is not detected, it proves that the RTC has been disconnected and the time is incorrect. For today, it is said that the use of the Backup register class. Before using, please download the ClassA20 Class library in https://github.com/tjCFeng/ClassA20 first.The backup reg

Quanzhi Allwinner A20 set-top box is flushed into Native Debian Spent 60 oceans to purchase a tianmin TV genie 3 Android set-top box. The purpose of the purchase is to refresh the native Debian or other release versions. View the specific hardware: quanzhi Allwinner A20 dual-core CPU, Cortex-A7 architecture; Memory 1G; flash 4G; Two USB, one HDMI, one AV. After reading the Sunxi Wiki, we found that we can u

[Allwinner ClassA20 class library Analysis] 3. ClassA20 function and structure, classa203.classa20After the preparation of the first two sections, it is estimated that there is no problem with the syntax. Now we officially enter the ClassA20 class library. First download the file: https://github.com/tjcfeng/classa20. we recommend that you download the ZIP file directly. Decompress... A20.pas-the basis of the entire class library. It is the unit for

[Allwinner ClassA20 class library Analysis] 2. free pascal syntax and structure analysis, allwinnerclassa20The previous section introduced the general development procedure of Lazarus. If you are not familiar with the pascal Language, you may not understand what the pascal Code should contain or what role it plays, this will briefly introduce the syntax and the structure of the code file. Of course, I just want to describe what we usually use. If you

[Allwinner ClassA20 class library Analysis] 5. Use of the PWM class, classa205.pwmThis section describes how to use the PWM class. Download The classa20class library at https://github.com/tjcfeng/classa20. PWM, another typical output function, is a very effective technology that uses the digital output of the processor to control analog circuits. It mainly includes the concepts of cycle, pulse width and duty cycle. The pulse width is the time of the

the file and change it to your own pin:function is implemented, the following to build the display interface. That's what I did. put on two buttons and a memo input box.After selecting the form, create and close two events in the event, then double-click the two buttons to create the Click event and enter the code:Finish writing and start running. Enter the text in the input box, then click on the "Showtext button" and the small screen shows:Please download this unit file here Lcd5110.pas, Link

For some time did not continue, these days have been tossing bpi-r1 and D1, temporarily stopped a bit. But should continue to write, do not write I can not remember. Originally this is intended as a summary, the result is to try to get the temperature, so insert a temperature acquisition class, the next one as a temporary end of it.before you use it, first https://github.com/tjCFeng/ClassA20 Download the ClassA20 class library.This time to say is the temperature of the class, call the method is

PHP code determines whether the device is a mobile phone or tablet (two methods), php tablet. PHP code determines whether the device is a mobile phone or tablet computer (two methods). php tablet computers are now more and more developed on the mobile Internet, and many websites are enjoying mobile browsing, to better

In win10, how does one set the tablet mode ?, Win10 Tablet In the win10 system, a new tablet mode is added. If the computer monitor supports touch screen, you can enable the tablet mode. How can you set the tablet mode? Right-click the blank area on the desktop where the

Android determines whether the current device is a mobile phone or tablet or an android tablet. Android development needs to adapt to mobile phones and tablets. In some cases, it is necessary to determine whether the device is a mobile phone or tablet.On the Internet, it is often said that the device size, DPI, version number, and whether the phone function is available are used to determine whether the dev

BackgroundLast year, I installed the meego netbook on the open-source Oracle virtualbox. It seems that the speed is good and it is much better to use than the meego simulator (emulator) in qemu. After the beta version of meego tablet was released at the beginning of the year. I always wanted to build a meego tablet development and testing platform in Oracle virtualbox. But it has never been successful. The

1. Click contacts on the standby page ].2. Click menu in the lower-left corner of the screen to slide the screen up and select import/export ].3. Select import from SIM card ].4. Check the contacts to be imported. If you want to import all contacts, click [select all]. Here, import all contacts as an example.5. Click finish in the upper-right corner of the screen ].After completing the preceding operations, the contact on the SIM card is successfully copied to the

Nowadays, the input method, as a necessary tool for inputting text into computers and smartphones, has been paid more and more attention by many internet companies. In addition to the integration of the Microsoft Pinyin Input method, Windows7 also provides Tablet PC Input Panel tools, can be handwritten, but also the phrase association, the function is very practical. Let's take a look at the Tablet PC Inpu

PHP code to determine whether the device is a mobile phone or tablet (two ways), PHP Tablet PC Now the mobile Internet is more and more developed, a lot of websites have popularized the mobile browsing, in order to better let the Web page display on the phone, we have chosen to use CSS Media query to make the response template, but there are drawbacks, such as the structure of some sites are CMS type, too

I bought a tablet and watched movies and novels when I was okay. But there was a lot of traffic. What should I do?I suggest you build a wireless router to connect to the Internet in a certain range. I bought a tablet for convenience.With its stylish appearance, touch-based operation methods, and the convenience brought by portable mobile devices, tablets have won the hearts of consumers and become the most

Baidu online tablet code and Baidu online TabletWhy Does Baidu not have an Online Handwriting input method? 1. If you have logged on to the Baidu account, log out first.2. Open the Baidu homepage again and click the "Search Settings" option in the upper-right corner of the homepage,3. On the page that appears, select "pinyin" or "handwriting" from the input method drop-down box and click "Save settings"4. Restart the browser and open the Baidu homepag

Layout strategy of tablet computer Using fragmentation and multiple pane views The building blocks of the honeycomb design are "fragments." Fragmentation is the layout component of a self-contained system that can change its size and placement depending on the direction and size of the screen. A further solution to design this problem for a variety of size skins is to give designers and developers a way to make their screen layout components flexibl