chore(Kconfig): add version info to Kconfig file to check mismatch (#6789)

Signed-off-by: Neo Xu <neo.xu1990@gmail.com>

Kconfig

@@ -1536,6 +1536,16 @@ menu "LVGL configuration"
 			int "Font manager name max length"
 			depends on LV_USE_FONT_MANAGER
 			default 32
+
+		config LVGL_VERSION_MAJOR
+			int
+			default 9 # LVGL_VERSION_MAJOR
+		config LVGL_VERSION_MINOR
+			int
+			default 2 # LVGL_VERSION_MINOR
+		config LVGL_VERSION_PATCH
+			int
+			default 0 # LVGL_VERSION_PATCH
 	endmenu
 
 	menu "Devices"

scripts/update_version.py

@@ -122,6 +122,35 @@ class CmakeReplacer(MacroReplacer):
     def getReplacement(self, val: str):
         return r'\g<1>' + val + r'\g<3>'
 
+class KconfigReplacer(RepoFileVersionReplacer):
+    """Replace version info in Kconfig file"""
+
+    def __init__(self, relative_path_segments: List[str]):
+        super().__init__(relative_path_segments, 3)
+
+    def applyVersionToLine(self, line: str, version: Version):
+        targets = {
+            'LVGL_VERSION_MAJOR': version.major,
+            'LVGL_VERSION_MINOR': version.minor,
+            'LVGL_VERSION_PATCH': version.patch,
+        }
+
+        for key, val in targets.items():
+            pattern = self.getPattern(key)
+            repl = self.getReplacement(val)
+            replaced, n = re.subn(pattern, repl, line)
+            if n > 0:
+                return replaced
+
+        return None
+    def getPattern(self, key: str):
+        # Match the version fields in Kconfig file
+        return rf'(^\s+default\s+)(\d+) # ({key})'
+
+    def getReplacement(self, val: str):
+        # Replace the version value
+        return r'\g<1>' + val + r' # \g<3>'
+
 
 if __name__ == '__main__':
     args = get_arg()
@@ -133,6 +162,7 @@ if __name__ == '__main__':
         MacroReplacer(['lv_version.h']),
         CmakeReplacer(['env_support', 'cmake', 'version.cmake']),
         PrefixReplacer(['lv_conf_template.h'], 'Configuration file for v'),
+        KconfigReplacer(['Kconfig']),
     ]
 
     if version.is_release:

src/lv_conf_kconfig.h

@@ -18,6 +18,16 @@ extern "C" {
 
 #  ifdef __NuttX__
 #    include <nuttx/config.h>
+/*
+ * Make sure version number in Kconfig file is correctly set.
+ * Mismatch can happen when user manually copy lvgl/Kconfig file to their project, like what NuttX does.
+ */
+#    include "../lv_version.h"
+
+#    if CONFIG_LVGL_VERSION_MAJOR != LVGL_VERSION_MAJOR || CONFIG_LVGL_VERSION_MINOR != LVGL_VERSION_MINOR \
+        || CONFIG_LVGL_VERSION_PATCH != LVGL_VERSION_PATCH
+#        warning "Version mismatch between Kconfig and lvgl/lv_version.h"
+#    endif
 #  elif defined(__RTTHREAD__)
 #    define LV_CONF_INCLUDE_SIMPLE
 #    include <lv_rt_thread_conf.h>