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fix graceful updating of old old boards

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This commit is contained in:
George Hotz
2017-09-30 23:17:50 -07:00
parent 26f2dba4dc
commit 5b2ba2ea5e
2 changed files with 4 additions and 2 deletions
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2
panda/__init__.py
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@@ -184,7 +184,7 @@ class Panda(object):
break
except Exception:
print("reconnecting is taking %d seconds..." % (i+1))
if i == 14:
if i == 13:
try:
dfu = PandaDFU(PandaDFU.st_serial_to_dfu_serial(self._serial))
dfu.recover()

4
panda/dfu.py
View File

@@ -21,7 +21,7 @@ class PandaDFU(object):
this_dfu_serial = device._getASCIIStringDescriptor(3)
except Exception:
continue
if this_dfu_serial == dfu_serial:
if this_dfu_serial == dfu_serial or dfu_serial is None:
self._handle = device.open()
self.legacy = "07*128Kg" in self._handle.getASCIIStringDescriptor(4)
return
@@ -44,6 +44,8 @@ class PandaDFU(object):
@staticmethod
def st_serial_to_dfu_serial(st):
if st == None or st == "none":
return None
uid_base = struct.unpack("H"*6, st.decode("hex"))
return struct.pack("!HHH", uid_base[1] + uid_base[5], uid_base[0] + uid_base[4] + 0xA, uid_base[3]).encode("hex").upper()