This article goes from Schindler to Forum: http://topeetboard.com
Development platform: iTOP-4418 Development Board
System: Ubuntu
1. TF card reading and writing speed test
Write Ubuntu for the TF card requirements are relatively high, many old cards can not be burned to write Ubuntu, the following provides a
A relatively reliable TF card to test the method. Note: The TF card test here is only for Ubuntu burning, burning the other file system, the general TF card can be.
In the net Disk folder "iTOP4418 Development Board Data summary (without CD content) \01_itop-4418 Development Board required
The test software "ATTO Disk Bench32.exe" can be downloaded from the PC Software (tool) \06-TF Card test tool.
It is important to note that the TF card must be in support of the FAT32 format.
The following is a detailed look at the test methods and test parameters.
As shown, connect the TF card to the PC, open the test software, set the parameters:
"Drive" Select the TF card to access the PC "
"Packet Size" select "1024->1024"
"Total Length" select "32MB"
Click the button "Start" Test, the test results of the TF card will be displayed after the end.
The test card 1, after testing, shows that the write speed is not enough for 5mb/seconds and cannot be used to burn write Ubuntu.
The card shown in 2, after testing, shows a write speed of up to 5mb/seconds, which can be used to burn Ubuntu.
2. TF card Format partition
The following burn-write method is only suitable for burning Ubuntu systems.
Note: Burning the Ubuntu system to the TF card is a high requirement, it is recommended to purchase CLASS10 's genuine TF card. Burn Write Ubuntu
The platform is similar to the front burning Android platform and requires Ubuntu for PC. In addition, the dial code switch does not move, has maintained 100 status.
(1) using the Web directory "iTOP4418 Development Board Data Summary (without CD-ROM content) \01_itop-4418 Development Board
The TF card needs to be formatted with the Formattool tool under the PC Software (tool) \09-disk character formatting tool. Directly decompression can be directly used, double-click Open, as shown, the author's TF card is recognized as I disk, then the I disk format, attention to the disk character do not choose wrong! , click OK after selecting, format.
(2) then the TF card on Windows formatted as FAT32 format, right-click the drive letter, select "format",
As shown, and then click Start to format.
(3) Then open the "PartitionManager.exe" software of "02 compiler and Burn Write tool" under the disc directory,
As shown in.
(4) Right-click the drive letter of the TF card, select "Delete Partition", pop up as shown in the dialog box, tick "next not
Ask again, and then click Yes.
(5) Then in the top right corner of the software, click Apply as shown in.
(6) Format complete, as shown in, click "Close" to close the dialog box.
(7) Then right click on the TF card letter, select "Create Partition", pop up as shown in the dialog box.
(8) Then as shown, to the TF card partition, the new area size is "2048", the designated partition front of the free space large
Small is "32", specify the free space behind the partition as the remaining space, and specify the partition file system as "Linux Ext3"
Format, and then click "Yes" to save the partition settings.
(9) Then click the "Apply" button in the top right corner of the software to start the partition, the partition takes a long time, and the partition to
After 99% will pause for a period of time, make sure to perform to 100% and do the back operation.
(10) as shown, the partition is complete, then click "Close" to close the pop-up window.
(11) then select the third partition of the TF card, right-click to create the partition, as shown in the configuration, will set the new zone
To the FAT32 format, and then select Yes to close the pop-up window.
(12) Click the "Apply" button in the top right corner of the software to start formatting, as shown, start formatting, format finished
Click "Close" to close. If the popup requires a restart or Retry dialog, you can try Retry once and then close the New Popup dialog box.
(13) as shown, the format is complete.
3. Extract Ubuntu files
Ubuntu uboot and Kernels use QT, in the disc catalog "iTOP-4418 disc material \05 Mirror _QT text
"U-boot-itop-4418.bin" and "boot.img" only need to be burned.
Ubuntu file system on the net disk "iTOP4418 Development Board Data summary (without CD content) \05_itop-4418
Development Board Ubuntu System \01_ubuntu Mirror ", compress package
"Itop4412_ubuntu_12.04_for_lcd_20141230.tar.gz".
(1) Copy the compressed package to the virtual machine Ubuntu, the author is copied to the "Home/topeet/ubtuntu" directory,
As shown in.
(2) as shown, use the command "Df-l".
(3) then the TF card to the virtual machine Ubuntu, using the "df-l" command, you can see a new drive letter access.
(4) Then use the command "Cd/media/new volume_" to enter "/media/new volume_"
Then use the command "Rm-rf *" and then use the "ls-a" command to see that there is currently only "."
and ".." File.
(6) Then extract the "itop4412_ubuntu_12.04_for_lcd_20141230.tar.gz" compressed file to the
Previous directory. Use the command "TAR-VXF
Home/topeet/ubuntu/itop4412_ubuntu_12.04_for_lcd_20141230.tar.gz-c./", as follows
shown in the figure.
(7) as shown, decompression, decompression time in about 30 minutes.
(8) Unzip the complete, as shown in.
(9) Then enter the third drive letter partition, preceded by a FAT32 letter, the user can pass if the front disk
Enter the "/media/new\ volume_/" directory, just like the author. As shown, use the command "CD
/media/new\ volume_/"and then the Ubuntu compression pack
"Itop4412_ubuntu_12.04_for_lcd_20141230.tar.gz" is copied to the current directory, as shown in the copy
The process may take several minutes.
(10) as shown, the copy is complete.
12.4Ubuntu TF Start-up and eMMC boot
Connect to the previous section.
The TF card is attached to the Development Board and the Uboot and kernel images of the TF card are used for QT.
(1) Then launch the Development Board and enter Uboot mode. Set the Uboot to Ubuntu for the TF card startup mode. Set
The setenv command is "Bootsystem UBUNTU_TF" and then saved with "Saveenv" as shown in.
(2) Then restart the Development Board, you can start Ubuntu. After which the console enters enter, as
is shown.
(3) Then use the "df-l" command to view the drive letter as shown in. Then you need to go to "/dev/mmcblk1p7."
Drive letter, use the command "cd/media/57f8f4bc-abf4-655f-bf67-946fc0f9f25b_/" to enter the drive letter
"/DEV/MMCBLK1P7". Note: The console display is not completed, the user can copy the drive letter according to the actual situation
"/DEV/MMCBLK1P7" corresponding to the loading directory/media/xxx, first write the command, and then paste directly. Then use the life
To "LS", you can see that there are some files in the current drive letter.
(4) using the command "Rm-rf *", this command can also be displayed on the console not complete, deleted files.
Delete is complete, and then use the "ls" command to view, as shown in.
(5) Finally, the Ubuntu compression package needs to be copied to eMMC. Use the "df-l" command to view the drive letter, such as
is shown. In the drive letter "/DEV/MMCBLK0P2", the compressed package is copied to this drive in Ubuntu on the virtual machine.
(6) then directly will "/media/new VOLUME" (Special note that here the Red character portion may not be displayed completely)
The compressed package in the directory is extracted to the current directory. The author's command here is "Tar vxf/media/new\
Volume/itop4412_ubuntu_12.04_for_lcd_20141230.tar.g-c./", as shown in the command control
The system display is not complete.
(7) as shown, decompression, decompression may take about 30 minutes.
(8) as shown, the decompression is complete.
(9) Restart the Development Board, unplug the TF card (note Be sure to unplug the TF card), into the Uboot mode, as shown,
Use "setenv bootsystem ubuntu_emmc" to set Uboot to eMMC startup mode, and then use the command
"Saveenv" saves the variable.
(10) Enter "reset" command in the serial console to restart the Development Board so Ubuntu starts in EMMC
Run out. This is the Ubuntu burn-in finish.
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