linux: support getting usb port info without libudev #220
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Support getting USB port info such as VID and PID when libudev is disabled. This reads this information out of /sys/. The method of discovery was based on pySerial, which does something similar. Signed-off-by: Sean Cross <[email protected]>
This helps (at least me) a lot for faster visual navigation through the output of this example.
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This is a great improvement. Looks good and produces the exact same information as device enumeration with libudev in my test setup. Thank you very much for your contribution! |
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libudev can make cross-compiling difficult, particularly due to its reliance on pkg-config. It is used primarily for enumeration.
Support getting USB port info such as VID and PID when libudev is disabled. This reads this information out of /sys/. If the information cannot be discovered, then the port type will be
Unknown.The method of discovery is based on pySerial, which does something similar.