Naming and coding style convention, new linter tool. (#945)

* Makefile, Scripts: new linter
* About: remove ID from IC
* Firmware: remove double define for DIVC/DIVR
* Scripts: check folder names too. Docker: replace syntax check with make lint.
* Reformat Sources and Migrate to new file naming convention
* Docker: symlink clang-format-12 to clang-format
* Add coding style guide

docker/Dockerfile

@@ -33,8 +33,8 @@ RUN wget --progress=dot:giga "https://developer.arm.com/-/media/Files/downloads/
 RUN git clone --depth 1 --branch v0.4.1 https://github.com/atomicobject/heatshrink.git && \
     cd heatshrink && make && mv ./heatshrink /usr/local/bin/heatshrink
 
-COPY entrypoint.sh syntax_check.sh /
+RUN ln -s `which clang-format-12` /usr/local/bin/clang-format
 
-RUN chmod +x /syntax_check.sh
+COPY entrypoint.sh /
 
 ENTRYPOINT ["/entrypoint.sh"]

docker/syntax_check.sh

@@ -1,42 +0,0 @@
-#!/usr/bin/env bash
-
-# set -e
-
-CLANG_FORMAT_BIN="/usr/bin/clang-format-12"
-
-PROJECT_DIR=$(pwd)
-
-cd "$PROJECT_DIR" || exit 
-
-echo "RUN C\C++ SYNTAX CHECK"
-C_FILES=$(find . \
-    -not \( -path './firmware/.obj' -prune \) \
-    -not \( -path './firmware/targets' -prune \) \
-    -not \( -path './assets' -prune \) \
-    -not \( -path ./lib -prune \) \
-    -name *.c -o -name *.h -o -name *.cpp)
-
-ulimit -s 65536
-$CLANG_FORMAT_BIN --version
-errors=$($CLANG_FORMAT_BIN --verbose -style=file -n --Werror --ferror-limit=0 $C_FILES |& tee /dev/stderr | sed '/^Formatting/d')
-
-if [[ -z "$errors" ]]; then
-    echo "Code looks fine for me!"
-    exit 0
-fi
-
-if [[ -n "${SET_GH_OUTPUT}" ]]; then
-    errors="${errors//'%'/'%25'}"
-    errors="${errors//$'\n'/'%0A'}"
-    errors="${errors//$'\r'/'%0D'}"
-    echo "::set-output name=errors::$errors"
-fi
-
-read -p "Do you want fix syntax? (y/n): " confirm && [[ $confirm == [yY] || $confirm == [yY][eE][sS] ]] || exit 1
-
-cd "$PROJECT_DIR" || exit 
-
-# We use root in container and clang-format rewriting files. We'll need change owner to original
-local_user=$(stat -c '%u' .clang-format)
-$CLANG_FORMAT_BIN -style=file -i $C_FILES
-chown $local_user $C_FILES