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Welcome to CubieTruck world! A series of open ARM miniPC!

30 Aug

How to choose storage media in Cubieboard?

We have many considerations when choose the storage media in the computer system or some other electronic equipments. As we known, storage system is really very important and essential in computer architecture. And as the open source hardware, we must consider more than traditional computer because we have to face a broader application scale.

You know we use Allwinner’s main chip A10 and A20 since its lower price, high performance, rich interfaces and his kind open-source attitude. But we also found their good chip design in storage media support. So when we were designing, we tried our best to support these good features. Cubieboard1, Cubieboard2 and Cubieboard3 can support NAND FLASH, TF card, TSD and HDD, but they don’t support EMMC. EMMC is 8-lines chip with EMMC interface. It’s useless when used in A10&A20 because A10&A20 don’t support 8-lines EMMC interface. Fortunately, A80 can support 8-lines EMMC interface. So in the upcoming A80 platform, we will adopt EMMC solution to get faster read/write speed. Another issue everyone concerned is SATA port. In my opinion, SATA is not very important at this time if EMMC is supported. A80 board has up to 64GB storage capacity with just one piece of on-board EMMC chip and the speed is also not very low against SATA port. Even more, the USB3.0 port is also a very good way to extend the storage capacity with fast access speed.

In the above table, I set out 5 sort of storage media which are very common used for your easy comparison. I think you will make a different choice if the position is different. Here I would like to give you some advices.

If you are a developer or playing Cubieboard for fun, Cubieboard dual-card version is very suitable. You can try lots of card based operating system from the community at your pleasure. But you should buy the TF card with Class 10 specification. Higher read/write speed will bring you more smooth using experiences and shorter start-up time. I once met the start-up time from 30s~90s with different TF card.

If you plan to apply Cubieboards in your product, you should consider this problem carefully. If the products have no backup power supply and will probable be cut power off randomly, you should not choose NAND Flash and HDD. The code/data may be damaged when power cutting off if a batch data writing has not finished. TSD and TF card can solve this great hidden danger. TSD is a kind of chip with TSSOP48 looks like NAND Flash. But actually it is a TF card which contains Nand Flash and card controller. The controller has good firmware backup mechanism.

In some other areas with backup battery, you can choose Nand Flash for its low cost. Nand Flash is widely used in lots of electronics devices. You can also guarantee the code safety at the level of software if it’s possible.

28 Jun

DVK570 kit for Cubietruck gets ready to ship

Do you still remember Wave Share team? They are a Chinese company who is producing lots of add-ons and accessories for the famous open source hardware or SBC, such as Aduino, Respberry-pi… They made DVK521 kit for Cubieboard2 last year. And now, DVK570 for Cubietruck is all ready to ship.

 

Purchaisng link.

http://cubietruck.com/collections/frontpage/products/cubietruck-cubieboard3-cortex-a7-dual-core-2gb-ram-8gb-flash-with-wifi-bt

 

DVK570 is made of a piece of daughter board and 5 pcs module boards which include GPS, Magnetameter, RS485, SPI Flash, and temperature sensor. A USB camera will also be included in this package.

And more, DVK570 daughter board breaks out some features which can not provided on Cubietruck main board such as analog TVIN, analog TVOUT, LINEIN, ZigBee, more keys and buzzer.

This kit can surely speed up your work in platform evaluation and features development in hardware. Another touching action is they put a lot of efforts in documents and sample applications.

02 Apr

ChirdTeam Frist Use CubieTruck as i-cloud Embedded Training Platform in Hangzhou

Chird Team made up of several individuals who are passionate about Technology. Chird is a young start-up specializing in embedded technology training and embedded products R&D,located in Hangzhou-China.

Chird Team compared with numerous board solutions by careful assessments, CubieTruck works more available and conforms to icloud-education.

Chird is a famous embedded training institution, firstly introduces ARM @ i-cloud service in education field by CubieTruck.  Chird Team actively promotes teaching mode reform.  It is the first step towards a combined education system with local colleges and universities. As a practice teaching platform, CubieTruck provides an effective way to train up  advanced technologies in embedded  system development  by all dimensions.

Why choose Cubietruck as embedded i-cloud education platform? 

Most of the traditional embedded training institutions  usually adopt PC + ARM target board  solution. By installing  virtual machine in PC for students using, the utilization rate of PC resources and development efficiency of students is very low. In either case, there is no help for students to absorb the knowledge of Linux system , and to understand hardware peripherals in this way.

The Cubietruck installed Debian Linux, provides i-cloud service for students and helps them deepen understanding of linux system throughout runtime environment. Every student gets a user account from Windows server, and connects to it by RDP protocol. The students can study and practice in the Cubietruck terminal. It can promote utilization of sever resources.

Some Technical Features  

  • Cubietruck works in the combination of one server and multiple cloud terminal by Giga byte network transmission, sharing with the same PC sever resources.
  • Every student gets a user account in PC sever center installed Windows system, which is convenient for students to write or reviews documents.
  • The cubietruck installed Debian Linux, provides i-cloud service for students and help them deepen understanding of linux system throughout runtime environment. Students also can freely log into windows system by RDP applications such as rdesktop、freerdp. Chird classroom offers data transfer by Giga bybe cables and switcher to guarantee
    a smooth network.
  • With Linux virtual machine installed under the Windows OS of  PC sever center, students can connect to the PC sever center to compile and develop. It can save precious time and improve work efficiently , further more reduce Cubietruck heavy burden.

The advantages of Cubietruck cloud classroom

  • Saving cost in hardware, Cubietruck is much cheaper than a PC computer
  • Very convenient to manage and maintain.
  • Small size (less than palm size), low power consumption, high integration and high performance
  • Easier to help students understanding Linux system
  • Provided  Mulit-interfaces and experiment cases for students, to activate their creative idea

Desire of Chird

Set embedded training , embedded teaching plan and embedded product development into a whole. Help train embedded  talents and  build a bridge for students and company personnel. To form an embedded engineer social circle, facilitating everybody to make like-minded friends, to understand industry dynamic,and to enrich lives…