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osrf / ros2_serial_example

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Small cleanups for dummy serial. #65

Closed clalancette closed 5 years ago

clalancette commented 5 years ago
  1. Update the usage statement to be accurate.
  2. Add a better error message if no device is specified.
  3. Change the default protocol to cobs.

Signed-off-by: Chris Lalancette clalancette@openrobotics.org