add bitmap arr to file (or reverse) converter (#2248)

* add covert tool

* fix for generator

* fix for generator

firmware/tools/hex_cpp_arr_to_bmp.py

@@ -0,0 +1,51 @@
+# copyleft zxkmm 2024
+
+import sys
+import re
+
+
+def hex_cpp_arr_to_bmp(input_file, output_file):
+    with open(input_file, 'r') as f:
+        content = f.read()
+
+    # in the mayhem code some of them not const
+    array_name_const = re.search(r'const unsigned char (\w+)\[\]', content)
+    array_name_no_const = re.search(r'unsigned char (\w+)\[]', content)
+    if array_name_const or array_name_no_const:
+
+        if array_name_const:
+            array_name = array_name_const.group(1)
+        else:
+            array_name = array_name_no_const.group(1)
+
+        print(f"Array name: {array_name}")
+
+    else:
+        print("the file provided seems doesn't contains needed arr.")
+        return
+
+    hex_data = re.findall(r'0x[0-9A-Fa-f]{2}', content)
+
+    if not hex_data:
+        print("Error: No hex data found.")
+        return
+
+    binary_data = bytes([int(x, 16) for x in hex_data])
+
+    with open(output_file, 'wb') as f:
+        f.write(binary_data)
+
+    print(f"Done. Output file: {output_file}")
+    print(f"Array name: {array_name}")
+    print(f"Data length: {len(binary_data)} bytes")
+
+
+if __name__ == "__main__":
+    if len(sys.argv) != 3:
+        print("usage: python hex_cpp_arr_to_bmp.py INPUTFILE OUTPUTFILE")
+        sys.exit(1)
+
+    input_file = sys.argv[1]
+    output_file = sys.argv[2]
+
+    hex_cpp_arr_to_bmp(input_file, output_file)