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

applications/ibutton/helpers/key_worker.cpp

@@ -0,0 +1,54 @@
+#include "key_worker.h"
+#include <callback-connector.h>
+#include <maxim_crc.h>
+
+extern COMP_HandleTypeDef hcomp1;
+
+KeyReader::Error KeyWorker::read(iButtonKey* key) {
+    KeyReader::Error result = key_reader.read(key);
+
+    return result;
+}
+
+void KeyWorker::start_read() {
+    key_reader.start();
+}
+
+void KeyWorker::stop_read() {
+    key_reader.stop();
+}
+
+bool KeyWorker::emulated() {
+    return key_emulator.emulated();
+}
+
+void KeyWorker::start_emulate(iButtonKey* key) {
+    key_emulator.start(key);
+}
+
+void KeyWorker::stop_emulate() {
+    key_emulator.stop();
+}
+
+KeyWriter::Error KeyWorker::write(iButtonKey* key) {
+    return key_writer.write(key);
+}
+
+void KeyWorker::start_write() {
+    key_writer.start();
+}
+
+void KeyWorker::stop_write() {
+    key_writer.stop();
+}
+
+KeyWorker::KeyWorker(const GpioPin* one_wire_gpio)
+    : onewire_master{one_wire_gpio}
+    , onewire_slave{one_wire_gpio}
+    , key_reader{&onewire_master}
+    , key_emulator{&onewire_slave}
+    , key_writer{&onewire_master} {
+}
+
+KeyWorker::~KeyWorker() {
+}