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mcu hid: optional power detecting on the hid device

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This commit is contained in:
Maxim Devaev
2023-08-06 03:36:54 +03:00
parent 472605734e
commit 92c3620a86
4 changed files with 61 additions and 21 deletions
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37
kvmd/plugins/hid/_mcu/__init__.py
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@@ -28,6 +28,7 @@ import time
from typing import Iterable
from typing import Generator
from typing import AsyncGenerator
from typing import Any
from ....logging import get_logger
@@ -103,18 +104,13 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
def __init__( # pylint: disable=too-many-arguments,super-init-not-called
self,
phy: BasePhy,
gpio_device_path: str,
reset_pin: int,
reset_inverted: bool,
reset_delay: float,
reset_self: bool,
read_retries: int,
common_retries: int,
retries_delay: float,
errors_threshold: int,
noop: bool,
**gpio_kwargs: Any,
) -> None:
multiprocessing.Process.__init__(self, daemon=True)
@@ -126,7 +122,8 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
self.__noop = noop
self.__phy = phy
self.__gpio = Gpio(gpio_device_path, reset_pin, reset_inverted, reset_delay)
gpio_device_path = gpio_kwargs.pop("gpio_device_path")
self.__gpio = Gpio(device_path=gpio_device_path, **gpio_kwargs)
self.__reset_self = reset_self
self.__reset_required_event = multiprocessing.Event()
@@ -144,11 +141,15 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
@classmethod
def get_plugin_options(cls) -> dict:
return {
"gpio_device": Option("/dev/gpiochip0", type=valid_abs_path, unpack_as="gpio_device_path"),
"reset_pin": Option(4, type=valid_gpio_pin_optional),
"reset_inverted": Option(False, type=valid_bool),
"reset_delay": Option(0.1, type=valid_float_f01),
"reset_self": Option(False, type=valid_bool),
# <gpio_kwargs>
"gpio_device": Option("/dev/gpiochip0", type=valid_abs_path, unpack_as="gpio_device_path"),
"power_detect_pin": Option(-1, type=valid_gpio_pin_optional),
"power_detect_pull_down": Option(False, type=valid_bool),
"reset_pin": Option(4, type=valid_gpio_pin_optional),
"reset_inverted": Option(False, type=valid_bool),
"reset_delay": Option(0.1, type=valid_float_f01),
# </gpio_kwargs>
"reset_self": Option(False, type=valid_bool),
"read_retries": Option(5, type=valid_int_f1),
"common_retries": Option(5, type=valid_int_f1),
@@ -329,18 +330,18 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
def __hid_loop_wait_device(self) -> bool:
logger = get_logger(0)
logger.info("Initial HID reset and wait ...")
logger.info("Initial HID reset and wait for %s ...", self.__phy)
self.__gpio.reset()
# На самом деле SPI и Serial-девайсы не пропадают, просто резет и ожидание
# логичнее всего делать именно здесь. Ну и на будущее, да
for _ in range(10):
if self.__phy.has_device():
logger.info("HID found")
logger.info("Physical HID interface found: %s", self.__phy)
return True
if self.__stop_event.is_set():
break
time.sleep(1)
logger.error("Missing HID")
logger.error("Missing physical HID interface: %s", self.__phy)
return False
def __process_request(self, conn: BasePhyConnection, request: bytes) -> bool: # pylint: disable=too-many-branches
@@ -352,7 +353,7 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
read_retries = self.__read_retries
error_retval = False
while common_retries and read_retries:
while self.__gpio.is_powered() and common_retries and read_retries:
response = (RESPONSE_LEGACY_OK if self.__noop else conn.send(request))
try:
if len(response) < 4:
@@ -402,6 +403,10 @@ class BaseMcuHid(BaseHid, multiprocessing.Process): # pylint: disable=too-many-
if common_retries and read_retries:
time.sleep(self.__retries_delay)
if not self.__gpio.is_powered():
self.__set_state_online(False)
return True
for msg in error_messages:
logger.error(msg)
if not (common_retries and read_retries):