From 6e50df4e21f13dc62858afbb927e563b721433b8 Mon Sep 17 00:00:00 2001 From: roland Date: Wed, 18 Jul 2018 12:29:44 +0200 Subject: [PATCH] tools/dfu.py: Pad image data to 8 byte alignment to support L476. Thanks to @dhylands for this patch to pad the image to 8-byte boundaries. --- tools/dfu.py | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/tools/dfu.py b/tools/dfu.py index 54b602438b..ee89c7541e 100755 --- a/tools/dfu.py +++ b/tools/dfu.py @@ -60,6 +60,10 @@ def build(file,targets,device=DEFAULT_DEVICE): for t,target in enumerate(targets): tdata = b'' for image in target: + # pad image to 8 bytes (needed at least for L476) + pad = (8 - len(image['data']) % 8 ) % 8 + image['data'] = image['data'] + bytes(bytearray(8)[0:pad]) + # tdata += struct.pack('<2I',image['address'],len(image['data']))+image['data'] tdata = struct.pack('<6sBI255s2I',b'Target',0,1, b'ST...',len(tdata),len(target)) + tdata data += tdata