adding checksum

ProjectController.py

@@ -2,6 +2,7 @@
 from jinja2 import Environment, FileSystemLoader
 from runtime.typemapping import DebugTypesSize
 import util.paths as paths
+import hashlib
 
 
 class ProjectController:
@@ -158,7 +159,7 @@ def Generate_plc_debug_cvars(self):
         ]
         return variable_decl_array, extern_variables_declarations, enum_types
 
-    def Generate_embedded_plc_debugger(self):
+    def Generate_embedded_plc_debugger(self, st_file):
         dvars, externs, enums = self.Generate_plc_debug_cvars()
 
         template = Environment(loader=self.__loader).get_template("debug.c.j2")
@@ -171,6 +172,16 @@ def Generate_embedded_plc_debugger(self):
                 "types": list(set(a.split("_", 1)[0] for a in enums)),
             }
         )
+
         with open(cfile, "w") as f:
             f.write(debug_text)
-        return cfile, debug_text
+
+        # Wrap debugger code around (* comments *)
+        MD5 = hashlib.md5(open(st_file, "rb").read()).hexdigest()
+        if MD5 is None:
+            raise ("Error building project: md5 object is null\n")
+
+        # Add MD5 value to debug.cpp file
+        c_debug = 'char md5[] = "' + MD5 + '";\n' + debug_text
+
+        return cfile, c_debug

xml2st.py

@@ -75,7 +75,7 @@ def parse_complex_variables(st_file):
         sys.exit(1)
 
 
-def generate_debugger_file(csv_file):
+def generate_debugger_file(csv_file, st_file):
     if not os.path.isfile(csv_file) or not csv_file.lower().endswith(".csv"):
         print(
             f"Error: Invalid file '{csv_file}'. A path to a csv file is expected.",
@@ -85,11 +85,10 @@ def generate_debugger_file(csv_file):
 
     controler = ProjectController()
     controler.SetCSVFile(csv_file)
-    return controler.Generate_embedded_plc_debugger()[1]
+    return controler.Generate_embedded_plc_debugger(st_file)[1]
 
 
 def append_debugger_to_st(st_file, debug_text):
-    # Wrap debugger code around (* comments *)
     c_debug_lines = debug_text.split("\n")
     c_debug = [f"(*DBG:{line}*)" for line in c_debug_lines]
     c_debug = "\n".join(c_debug)
@@ -140,7 +139,9 @@ def main():
         try:
             parse_complex_variables(args.generate_debug[0])
 
-            debug_text = generate_debugger_file(args.generate_debug[1])
+            debug_text = generate_debugger_file(
+                args.generate_debug[1], args.generate_debug[0]
+            )
 
             append_debugger_to_st(args.generate_debug[0], debug_text)