First of all, standing on the shoulders of giants, the first half is the previous article. I am lucky to be guided by this article, set successfully, and pass the test. The second part is the configuration of the serial port tool. Original address:
First of all, standing on the shoulders of giants, the first half is the previous article. I am lucky to be guided by this article, set successfully, and pass the test. The second part is the configuration of the serial port tool. Original address http://www.linuxidc.com/Linux/2011-11/47480.htm
- $
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- 1. Download sudo apt-get install minicom
- 2. Insert the usb to the serial port. Terminal input: dmesg | grep usb
- ........................................ ........................................ ............
- [2, 7415.893942] USB Serial: USB Serial Driver core
- [2, 7415.931116] usb 3-1: ark3116 converter now attached to ttyUSB0
- [2, 7415.931141] usbcore: registered new interface driver ark3116
- [2, 7430.248072] usb 3-1: USB disconnect, address 2
- [2, 7434.588044] usb 3-1: new full speed USB device using uhci_hcd and address 3
- ........................................ ........................................ .............
- 3. Settings: minicom-s
- Serial port setup -->Serial device:/dev/ttyUSB0
- Set hardware data flow and Software Data Flow Control to no
- 4. Save and exit
- 5. Run the command window: minicom
- Bytes ----------------------------------------------------------------------------------------------------
- Note: by default, the USB to serial port driver (pl2303) is installed in Ubuntu ). I am using ark3116, which is also the default installation.
- 1. # lsmod | grep usbserial
- If USB serial exists, the USB-to-serial port is supported.
- Yzj @ yzj-laptop :~ /Minicom $ lsmod | grep usbserial
- Usbserial 36264 3 ark3116
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- 2. Plug in the USB to serial port and enter the command # dmesg | grep ttyUSB0 on the terminal. If the connection is successful, the ubuntu system has recognized the device.
- Bytes ----------------------------------------------------------------------------------------
- Key combination: press Ctrl + A first, then release the two keys, and then press Z. There are also some common key combinations.
- (1) S key: send the file to the target system;
- (2) W key: automatic screen scrolling. When more than one line is displayed, the next line is automatically wrapped. This function is useful when viewing kernel startup information.
- (3) C: Clear the display content on the screen;
- (4) Key B: view the historical display of minicom;
- (5) Key X: Exit mInicom and a prompt is displayed to confirm exit.
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- $
Okay. After the USB to serial port is configured, It is the serial port tool. Kermit is used here.
Install Kermit
$ Sudo apt-get install ckermit
Configuration
Here, the configuration is to manually write a configuration file. kermrc, which is placed in the/home/jun directory (of course, you are definitely not the jun directory, that is, the current user's home directory)
$ Vi. kermrc # The file content is below. Note that this file is stored in/home/jun.
# In fact, many configuration files of the software you installed are stored in this directory, except that # is hidden. Does it start.
Set line/dev/ttyUSB0
Set speed 115200
Set carrier-watch off
Set handshake none
Set flow-control none
Robust
Set file type bin
Set file name Parameters
Set rec package 1000
Set send package 1000
Set window 5
Run
$ Sudo kermit-c
It starts. to close it, press Ctrl + \, press C, enter exit, and press enter to exit.
Below are some of the screen capture tools Shutter for Ubuntu.
Is the output of Uboot;
Is the kernel and root file output on the board.