Export canopen_fake_slaves include directories

[MartinCornelis2]

Ubuntu 22.04
ROS Humble

I want to derive my own Mocked devices from either the ros2_canopen::BaseSlave or the ros2_canopen::BasicSlave, however the include folder does not seem to get exported.

Is there a reason why

install(
  DIRECTORY include/
  DESTINATION include
)
ament_export_include_directories(
  include
)

is ommitted from the CMakelists.txt in the ROS Humble version (didn't check other versions yet)?

Or am I not supposed to derive my Mock devices from these classes?
With the way things are setup now you also have to override the entire run() of the BaseSlave/BasicSlave, just to feed your own slave class in i.e. in cia402_slave.hpp:
ros2_canopen::CIA402MockSlave slave(timer, chan, slave_config_.c_str(), "", node_id_);
or in my case:
BLinkMockSlave slave(timer, chan, slave_config_.c_str(), "", node_id_);
I feel like this will lead to a lot of code duplication if you want to create multiple mocked devices.

Please let me know if I can/should open a PR, or if I am not supposed to use canopen_fake_slaves in this way.

[hellantos]

Honestly, the fake slaves package has not received much love. It would be wonderful to get some help for it.

[kurtist123]

I implemented this enhancement here: #265

I implemented the enhancement on the master branch but I would also like it on the humble branch. What is the process to get this back merged into the humble branch?