generate version

Revision/CMakeLists.txt

@@ -0,0 +1,27 @@
+# Add your source files
+set(SOURCES
+
+)
+
+# Add your header files
+set(HEADERS
+    version_info.h
+)
+
+# Generate the version_info.c file as a build step
+add_custom_command(
+    OUTPUT version_info.c
+    COMMAND python ${CMAKE_CURRENT_SOURCE_DIR}/generate_version_info.py
+    DEPENDS generate_version_info.py
+    COMMENT "Generating version_info.c"
+)
+
+# Add the generated file to the list of sources
+list(APPEND SOURCES ${CMAKE_CURRENT_BINARY_DIR}/version_info.c)
+
+add_custom_target(generate_version_info DEPENDS version_info.c)
+
+# Add the target
+add_library(Revision STATIC ${SOURCES} ${HEADERS})
+add_dependencies(Revision generate_version_info)
+target_include_directories(Revision PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})

Revision/generate_version_info.py

@@ -0,0 +1,42 @@
+import subprocess
+
+def get_git_info():
+    try:
+        # Get the latest tag
+        latest_tag = subprocess.check_output(['git', 'describe', '--abbrev=0', '--tags']).decode().strip()
+        # Get the number of commits since the latest tag
+        commit_count = subprocess.check_output(['git', 'rev-list', f'{latest_tag}..HEAD', '--count']).decode().strip()
+        # Get the current branch
+        branch = subprocess.check_output(['git', 'rev-parse', '--abbrev-ref', 'HEAD']).decode().strip()
+        # Get the short hash of the latest commit
+        commit_hash = subprocess.check_output(['git', 'rev-parse', '--short', 'HEAD']).decode().strip()
+
+        # Parse the version string
+        version_parts = latest_tag.split('.')
+        major, minor, patch = map(int, version_parts)
+
+        return major, minor, patch, int(commit_count), branch, commit_hash
+    except Exception as e:
+        print(f"Error: {e}")
+        return None, None, None, None, None, None
+
+def generate_c_file(filename, version_info):
+    version_info_string = f"""\
+// This file is auto-generated by a Python script
+// Do not modify manually
+
+#include "version_info.h"
+
+__attribute__((section(".version"))) const firmware_version_t VERSION_INFO = {{ {version_info[0]}, {version_info[1]}, {version_info[2]}, {version_info[3]}, "{version_info[4]}", "{version_info[5]}" }};
+"""
+
+    with open(filename, 'w') as f:
+        f.write(version_info_string)
+
+if __name__ == "__main__":
+    version_info = get_git_info()
+    if version_info:
+        generate_c_file("version_info.c", version_info)
+        print("Version information has been written to version_info.c")
+    else:
+        print("Failed to retrieve Git information.")

Revision/version_info.h

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+#pragma once
+
+#include <stdint.h>
+
+typedef struct firmware_version {
+	uint8_t major;
+	uint8_t minor;
+	uint8_t patch;
+	uint8_t count;
+	char branch[50];
+	char commit_hash[8];
+} firmware_version_t;
+
+
+extern const firmware_version_t VERSION_INFO;