Optimized the PID loop a little bit (#5661)
treedc111d768a2272bae64b29f9dac60f24ecaea1f1
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drwxr-xr-x - .github
-rw-r--r-- 503 .gitignore
-rwxr-xr-x 2573 .travis.sh
-rw-r--r-- 1497 .travis.yml
-rw-r--r-- 3230 CODE_OF_CONDUCT.md
-rw-r--r-- 877 CONTRIBUTING.md
-rw-r--r-- 542 JLinkSettings.ini
-rw-r--r-- 35147 LICENSE
-rw-r--r-- 14625 Makefile
-rw-r--r-- 397 Notes.md
-rw-r--r-- 5099 README.md
-rw-r--r-- 2220 Vagrantfile
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drwxr-xr-x - docs
-rwxr-xr-x 965 fake_travis_build.sh
drwxr-xr-x - lib
drwxr-xr-x - make
drwxr-xr-x - src
drwxr-xr-x - support