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ch9329: reconnect logic

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This commit is contained in:
Maxim Devaev
2023-07-10 03:07:53 +03:00
parent 2e6f0da141
commit 8e2a528418
2 changed files with 35 additions and 20 deletions
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22
kvmd/plugins/hid/ch9329/chip.py
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@@ -21,6 +21,9 @@
import serial
import contextlib
from typing import Generator
# =====
@@ -29,10 +32,9 @@ class ChipResponseError(Exception):
# =====
class Chip:
def __init__(self, device_path: str, speed: int, read_timeout: float) -> None:
self.__tty = serial.Serial(device_path, speed, timeout=read_timeout)
self.__device_path = device_path
class ChipConnection:
def __init__(self, tty: serial.Serial) -> None:
self.__tty = tty
def xfer(self, cmd: bytes) -> int:
self.__send(cmd)
@@ -66,3 +68,15 @@ class Chip:
def __make_checksum(self, cmd: bytes) -> int:
return (sum(cmd) % 256)
class Chip:
def __init__(self, device_path: str, speed: int, read_timeout: float) -> None:
self.__device_path = device_path
self.__speed = speed
self.__read_timeout = read_timeout
@contextlib.contextmanager
def connected(self) -> Generator[ChipConnection, None, None]: # type: ignore
with serial.Serial(self.__device_path, self.__speed, timeout=self.__read_timeout) as tty:
yield ChipConnection(tty)