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Fix USB timeout crashes during sensor initialization #245

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Fix USB timeout crashes during sensor initialization #245

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2 changes: 2 additions & 0 deletions validitysensor/flash.py
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ def __repr__(self):

def get_flash_info():
rsp = tls.cmd(unhex('3e'))
if rsp[0] == 0x04:
return FlashInfo(None, 0, 0, 0, 0, [])
assert_status(rsp)
rsp = rsp[2:]
hdr = rsp[:0xe]
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2 changes: 1 addition & 1 deletion validitysensor/usb.py
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Original file line number Diff line number Diff line change
Expand Up @@ -87,7 +87,7 @@ def send_init(self):
# c28c745a in response is a FwextBuildtime = 0x5A748CC2
rsp = self.cmd(unhexlify('4302')) # get_fw_info()

assert_status(self.cmd(init_hardcoded))
self.cmd(init_hardcoded)

(err, ), rsp = unpack('<H', rsp[:2]), rsp[2:]
if err != 0:
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