tools/dfu.py: Pad image data to 8 byte alignment to support L476.
Thanks to for this patch to pad the image to 8-byte boundaries.
@@ -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
