OK3568 4.19.206 Buildroot Fixed USB to Network Port or Serial Port Name
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Copyright
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Revision History
Date |
Version |
Revision History |
|---|---|---|
04/08/2022 |
V1.0 |
Initial Version |
Fixed USB to Network Port or Serial Port Name
1. Use the command to view the rules
udevadm info –attribute-walk –path=$(udevadm info –query=path –path=/sys/class/net/eth0)
udevadm info –attribute-walk –path=$(udevadm info –query=path –name=/dev/ttyUSB0)
udevadm info –attribute-walk –path=$(udevadm info –query=path –name=/dev/ttyXRUSB0)
udevadm info –attribute-walk –path=$(udevadm info –query=path –name=/dev/usb-serial1)
2. Select a few rules from the above figure:
Create/etc/udev/rules.d/99rename.rules files
3. Add executable permissions
chmod +x /etc/udev/rules.d/99rename.rules
4. Restart the development board and test that the serial port on the USB interface has been fixed. The user application can directly use/dev/usb-serial-1 to call the serial port on the relevant USB interface.