from pathlib import Path
from ekfsm.core.components import SysTree
from ekfsm.log import ekfsm_logger
from ..core.sysfs import SysFSDevice
from .generic import Device
from .iio import iio_get_in_value
[docs]
class IIOThermalHumidity(Device):
"""
Device for IIO thermal and/or humidity sensors.
Parameters
----------
name
The name of the device.
parent
The parent device of the IIOThermalHumidity device. If None, no parent is created.
children
The children of the IIOThermalHumidity device. If None, no children are created.
"""
def __init__(
self,
name: str,
parent: SysTree | None = None,
children: list[Device] | None = None,
*args,
**kwargs,
):
self.logger = ekfsm_logger("IIOThermalHumidity:" + name)
super().__init__(name, parent, children, *args, **kwargs)
self.addr = self.get_i2c_chip_addr()
self.sysfs_device = self.get_i2c_sysfs_device(self.addr)
dir = list(Path(self.sysfs_device.path).glob("iio:device*"))
if len(dir) == 0:
raise FileNotFoundError("iio entry not found")
self.iio_sysfs = SysFSDevice(dir[0])
self.logger.debug(f"iio: {self.iio_sysfs.path}")
[docs]
def temperature(self) -> float:
return iio_get_in_value(self.iio_sysfs, "in_temp") / 1000.0
[docs]
def humidity(self) -> float:
return iio_get_in_value(self.iio_sysfs, "in_humidityrelative") / 1000.0