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tools/pydfu.py: Add support for multiple memory segments.

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Segments are separated by / and begin with the memory address.  This
follows how the ST DFU tool works.
This commit is contained in:
Damien George 2018-06-22 15:32:32 +10:00
parent ec7982ec6d
commit 92667dc2e5
1 changed files with 18 additions and 17 deletions
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35
tools/pydfu.py
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@ -394,24 +394,25 @@ def get_memory_layout(device):
intf = cfg[(0, 0)]
mem_layout_str = get_string(device, intf.iInterface)
mem_layout = mem_layout_str.split('/')
addr = int(mem_layout[1], 0)
segments = mem_layout[2].split(',')
seg_re = re.compile(r'(\d+)\*(\d+)(.)(.)')
result = []
for segment in segments:
seg_match = seg_re.match(segment)
num_pages = int(seg_match.groups()[0], 10)
page_size = int(seg_match.groups()[1], 10)
multiplier = seg_match.groups()[2]
if multiplier == 'K':
page_size *= 1024
if multiplier == 'M':
page_size *= 1024 * 1024
size = num_pages * page_size
last_addr = addr + size - 1
result.append(named((addr, last_addr, size, num_pages, page_size),
"addr last_addr size num_pages page_size"))
addr += size
for mem_layout_index in range(1, len(mem_layout), 2):
addr = int(mem_layout[mem_layout_index], 0)
segments = mem_layout[mem_layout_index + 1].split(',')
seg_re = re.compile(r'(\d+)\*(\d+)(.)(.)')
for segment in segments:
seg_match = seg_re.match(segment)
num_pages = int(seg_match.groups()[0], 10)
page_size = int(seg_match.groups()[1], 10)
multiplier = seg_match.groups()[2]
if multiplier == 'K':
page_size *= 1024
if multiplier == 'M':
page_size *= 1024 * 1024
size = num_pages * page_size
last_addr = addr + size - 1
result.append(named((addr, last_addr, size, num_pages, page_size),
"addr last_addr size num_pages page_size"))
addr += size
return result