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/lfrfid/helpers/key_info.cpp

@@ -0,0 +1,66 @@
+#include "key_info.h"
+#include <string.h>
+
+const char* lfrfid_key_get_type_string(LfrfidKeyType type) {
+    switch(type) {
+    case LfrfidKeyType::KeyEM4100:
+        return "EM4100";
+        break;
+    case LfrfidKeyType::KeyH10301:
+        return "H10301";
+        break;
+    case LfrfidKeyType::KeyI40134:
+        return "I40134";
+        break;
+    }
+
+    return "Unknown";
+}
+
+const char* lfrfid_key_get_manufacturer_string(LfrfidKeyType type) {
+    switch(type) {
+    case LfrfidKeyType::KeyEM4100:
+        return "EM-Marin";
+        break;
+    case LfrfidKeyType::KeyH10301:
+        return "HID";
+        break;
+    case LfrfidKeyType::KeyI40134:
+        return "Indala";
+        break;
+    }
+
+    return "Unknown";
+}
+
+bool lfrfid_key_get_string_type(const char* string, LfrfidKeyType* type) {
+    bool result = true;
+
+    if(strcmp("EM4100", string) == 0) {
+        *type = LfrfidKeyType::KeyEM4100;
+    } else if(strcmp("H10301", string) == 0) {
+        *type = LfrfidKeyType::KeyH10301;
+    } else if(strcmp("I40134", string) == 0) {
+        *type = LfrfidKeyType::KeyI40134;
+    } else {
+        result = false;
+    }
+
+    return result;
+}
+
+uint8_t lfrfid_key_get_type_data_count(LfrfidKeyType type) {
+    switch(type) {
+    case LfrfidKeyType::KeyEM4100:
+        return 5;
+        break;
+    case LfrfidKeyType::KeyH10301:
+        return 3;
+        break;
+    case LfrfidKeyType::KeyI40134:
+        return 3;
+        break;
+    }
+
+    return 0;
+}