Fix .gitignore and CMakeList.txt

.clang-format

@@ -0,0 +1,33 @@
+BasedOnStyle: LLVM
+UseTab: Never
+IndentWidth: 4
+TabWidth: 4
+BreakBeforeBraces: Custom
+AllowShortFunctionsOnASingleLine: InlineOnly
+AllowShortIfStatementsOnASingleLine: false
+AllowShortLambdasOnASingleLine: true
+AllowAllArgumentsOnNextLine: true
+IndentCaseLabels: true
+AccessModifierOffset: -4
+NamespaceIndentation: All
+FixNamespaceComments: false
+PackConstructorInitializers: Never
+AlignAfterOpenBracket: AlwaysBreak
+InsertBraces: true
+BraceWrapping:
+  AfterClass: true # false
+  AfterControlStatement: false
+  AfterEnum: true # false
+  AfterFunction: true # false
+  AfterNamespace: true # false
+  AfterObjCDeclaration: true # false
+  AfterStruct: true # false
+  AfterUnion: true # false
+  AfterExternBlock: false
+  BeforeCatch: false
+  BeforeElse: false
+  IndentBraces: false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+ColumnLimit: 140

.gitignore

@@ -1,4 +1,5 @@
 .devcontainer
 .vscode
+.cache
 build
-sdkconfig
+sdkconfig.old

.pre-commit-config.yaml

@@ -0,0 +1,31 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+exclude: '(?x)^(
+    libs/.* |
+    hardware/.* |
+    .*\.md |
+    managed_components/.*
+  )$'
+repos:
+  - repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v4.5.0
+    hooks:
+      - id: check-added-large-files # prevents giant files from being committed.
+      - id: check-case-conflict # checks for files that would conflict in case-insensitive filesystems.
+      - id: check-merge-conflict # checks for files that contain merge conflict strings.
+      - id: check-yaml # checks yaml files for parseable syntax.
+      - id: detect-private-key # detects the presence of private keys.
+      - id: end-of-file-fixer # ensures that a file is either empty, or ends with one newline.
+      - id: fix-byte-order-marker # removes utf-8 byte order marker.
+      - id: mixed-line-ending # replaces or checks mixed line ending.
+      - id: requirements-txt-fixer # sorts entries in requirements.txt.
+      - id: trailing-whitespace # trims trailing whitespace.
+
+  - repo: https://github.com/pre-commit/mirrors-clang-format
+    rev: v17.0.6
+    hooks:
+      - id: clang-format
+  - repo: https://github.com/psf/black
+    rev: 24.10.0
+    hooks:
+      - id: black

CMakeLists.txt

@@ -1,10 +1,13 @@
 # The following five lines of boilerplate have to be in your project's
 # CMakeLists in this exact order for cmake to work correctly
-cmake_minimum_required(VERSION 3.16)
-
 cmake_minimum_required(VERSION 3.5)
 
-set(EXTRA_COMPONENT_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/../components)
-
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
-project(opentherm)
+project(opentherm)
+
+find_program(CCACHE_FOUND ccache)
+if(CCACHE_FOUND)
+    set_property(GLOBAL PROPERTY RULE_LAUNCH_COMPILE ccache)
+else()
+    message(WARNING "CCache not found, install it to speedup compiletime")
+endif()