scripts: build: mergehex: Add --output-bin parameter

The optional --output-bin parameter instructs the IntelHex class to
save the content as a binary file instead of the Intel Hex format.

Signed-off-by: BUDKE Gerson Fernando <[email protected]>

Author: nandojve

scripts/build/mergehex.py

@@ -13,7 +13,7 @@
 import argparse
 
 
-def merge_hex_files(output, input_hex_files, overlap):
+def merge_hex_files(output, input_hex_files, overlap, output_bin):
     ih = IntelHex()
 
     for hex_file_path in input_hex_files:
@@ -29,27 +29,29 @@ def merge_hex_files(output, input_hex_files, overlap):
         except AddressOverlapError:
             raise AddressOverlapError("{} has merge issues".format(hex_file_path))
 
-    ih.write_hex_file(output)
+    output_format = "bin" if output_bin else "hex"
+    ih.tofile(output, format=output_format)
 
 
 def parse_args():
     parser = argparse.ArgumentParser(
         description="Merge hex files.",
         formatter_class=argparse.RawDescriptionHelpFormatter, allow_abbrev=False)
     parser.add_argument("-o", "--output", required=False, default="merged.hex",
-                        type=argparse.FileType('w', encoding='UTF-8'),
                         help="Output file name.")
     parser.add_argument("--overlap", default="error",
                         help="What to do when files overlap (error, ignore, replace). "
                              "See IntelHex.merge() for more info.")
+    parser.add_argument("--output-bin", default=False,
+                        help="Save the merged content as binary file.")
     parser.add_argument("input_files", nargs='*')
     return parser.parse_args()
 
 
 def main():
     args = parse_args()
 
-    merge_hex_files(args.output, args.input_files, args.overlap)
+    merge_hex_files(args.output, args.input_files, args.overlap, args.output_bin)
 
 
 if __name__ == "__main__":