1 files changed, 93 insertions, 0 deletions
diff --git a/utils/merge_hex.py b/utils/merge_hex.py
new file mode 100644
index 0000000..c2e9916
--- /dev/null
+++ b/utils/merge_hex.py
@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+
+# Copyright (c) 2015 ARM Limited
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""This script will merge two hex files and write the output to a hex file.
+   USAGE: merge_hex.py input_file1 input_file2 output_file.
+"""
+
+from optparse import OptionParser
+import sys
+
+parser = OptionParser()
+
+#command line options
+parser.add_option("-o", "--output",
+                  action="store",
+	              type="string",
+                  dest="output",
+                  default="",
+                  help="The relative path to the headers for the microbit-dal.")
+
+(options, args) = parser.parse_args()
+
+fail_color = ''
+
+# If colorama is present, set the fail color to red
+try:
+    from colorama import init, deinit, Fore
+    fail_color = Fore.RED
+except:
+    pass
+
+def fail(message):
+    print(fail_color + message)
+
+    # If we've included ANSI color in output, reset the output style
+    if fail_color:
+        print(Fore.RESET)
+        deinit()
+
+    return 1
+
+def convert_start_addr(hex_file):
+    if hex_file.start_addr and 'CS' in hex_file.start_addr:
+        start_addr = {'EIP': (hex_file.start_addr['CS'] * 16) + hex_file.start_addr['IP']}
+        hex_file.start_addr = start_addr
+
+def main(options, args):
+    # If using ANSI coloring is available, initialize colorama
+    if fail_color:
+        init()
+
+    # Import intelhex if avaialable, otherwise fail
+    try:
+        from intelhex import IntelHex
+    except:
+        return fail('error: You do not have \'intelhex\' installed. Please run \'pip install intelhex\' then retry.')
+
+    if len(options.output) is 0:
+        print "No output file specified"
+        exit(1)
+
+    if len(args) < 2:
+        return fail('Only one file was provided to merge.')
+        exit(0)
+
+    # Get the two hex files, merge them, and save the result
+    orig = IntelHex(args[0])
+    convert_start_addr(orig)
+
+    args = args[1:]
+
+    for arg in args:
+        other = IntelHex(arg)
+        convert_start_addr(other)
+        orig.merge(other, overlap='replace')
+
+    orig.write_hex_file(options.output)
+
+if __name__ == '__main__':
+    sys.exit(main(options,args))