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fix infinite serial read (#2290)

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This commit is contained in:
Adeeb Shihadeh
2025-10-05 13:57:58 -07:00
committed by GitHub
parent d9f856be70
commit 16f17ae0a1
1 changed files with 6 additions and 6 deletions
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12
python/__init__.py
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@@ -741,14 +741,14 @@ class Panda:
# ******************* serial *******************
def serial_read(self, port_number):
ret = []
def serial_read(self, port_number, maxlen=1024):
ret = b''
while 1:
lret = bytes(self._handle.controlRead(Panda.REQUEST_IN, 0xe0, port_number, 0, 0x40))
if len(lret) == 0:
r = bytes(self._handle.controlRead(Panda.REQUEST_IN, 0xe0, port_number, 0, 0x40))
if len(r) == 0 or len(ret) >= maxlen:
break
ret.append(lret)
return b''.join(ret)
ret += r
return ret
def serial_write(self, port_number, ln):
ret = 0