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Problem 1: What should I do when no command output is displayed?
Symptom
The serial port shows that the connection has been established. After the board is restarted, nothing is displayed when you press Enter.
Possible Causes
Solutions
Start Device Manager to check whether the serial port connected to the board is the same as that connected to the terminal device. If not, perform the following steps to change the serial port number.
If the fault persists after you perform the preceding operations, the U-Boot of the board may be damaged. You can burn the U-Boot by performing the following steps:
Obtain the U-Boot file.
NOTICE: The U-Boot file of the board can be obtained from vendor\hisi\hi35xx\hi3518ev300\uboot\out\boot\u-boot-hi3518ev300.bin in the open-source package.
Use HiTool to burn the U-Boot.
Figure 2 Procedure for burning the U-Boot using HiTool
Power off the board and then power it on. Connect the serial port after the burning is complete. Serial ports shown in the following figure are displayed after the U-Boot is burnt.
Problem 2: What should I do when an error is reported when the U-Boot is burnt using HiTool?
Symptom
Possible Causes
The flash type selected by HiTool is incorrect.
Solutions
Change the flash type in the area marked with 1 in the following figure.
Question 3: What should I do when the message indicating Python cannot be found is displayed during compilation and building?
Symptom
Possible Cause 1
Python is not installed.
Solutions
Install the Python environment by referring to Installing a Python Environment.
Possible Cause 2
Solutions
If the soft link that points to the Python does not exist in the usr/bin directory, run the following command:
# cd /usr/bin/
# which python3
# ln -s /usr/local/bin/python3 python
# python --version
Example:
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