pbert519

Latest docker image is version 1.5.0

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### Background Work - [X] Yes, I searched the [mailing list](https://groups.google.com/forum/#!forum/chipyard) - [X] Yes, I searched the [documentation](https://chipyard.readthedocs.io/) ### Feature Description The latest docker image on Dockerhub has version 1.5.0...

This is a quite early version. PDM microphones have a long startup phase, therefore the driver samples continuously and only switches the target buffer if the user request sampling.

embedded_can Driver and no_std support

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Is it planned to support no_std, too? If yes, we should probably add the no_std flag as soon as possible, before to much std code is in place. The embedded-can...

PYTHONPATH with trailing ":" leads to build issues for python packages

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**Describe the bug** Since commit [abf90dc52c710cf1584bccdd7f2ea0a5a564de0a](https://github.com/ros/meta-ros/commit/abf90dc52c710cf1584bccdd7f2ea0a5a564de0a#diff-137f704b9314158d6fd6b860c4f14032f9c37b1e275f0369755fad1a699b4228R33) on branch `kirkstone` `ament-cmake-core` does no longer build with the following error: ``` ERROR: ament-cmake-core-2.5.2-1-r0 do_configure: ExecutionError('/opt/yocto/TAT_Yocto_AUM/build/tmp/work/corei7-64-poky-linux/ament-cmake-core/2.5.2-1-r0/temp/run.do_configure.2326697', 1, None, None) ERROR: Logfile of failure...