def start(self):
""" """
if self.bus is None:
raise KeyError("Bus missing for DS18X20Sensor")
# Initialize the DS18x20 hardware driver.
onewire_bus = self.bus.adapter
try:
use_native_driver = self.bus.settings.get('driver') == 'native'
# Vanilla MicroPython 1.11
if platform_info.vendor == platform_info.MICROPYTHON.Vanilla or use_native_driver:
import ds18x20_native
self.driver = ds18x20_native.DS18X20(onewire_bus)
# Pycom MicroPython 1.9.4
elif platform_info.vendor == platform_info.MICROPYTHON.Pycom:
import ds18x20_python
self.driver = ds18x20_python.DS18X20(onewire_bus)
else:
raise NotImplementedError(
'DS18X20 driver not implemented on this platform')
except Exception as ex:
log.exc(ex, 'DS18X20 hardware driver failed')
return False
return True
def start(self):
"""
Setup the DS18x20 sensor driver.
:return:
"""
# Ensure a bus object exists and is ready.
self.ensure_bus()
# Initialize the DS18x20 hardware driver.
onewire_bus = self.bus.adapter
try:
use_native_driver = self.bus.settings.get('driver') == 'native'
platform_info = get_platform_info()
# Vanilla MicroPython >=1.11
if platform_info.vendor == platform_info.MICROPYTHON.Vanilla or use_native_driver:
import ds18x20_native
self.driver = ds18x20_native.DS18X20(onewire_bus)
# Pycom MicroPython 1.9.4
elif platform_info.vendor == platform_info.MICROPYTHON.Pycom:
import ds18x20_python
self.driver = ds18x20_python.DS18X20(onewire_bus)
# RaspberryPi
elif platform_info.vendor == platform_info.MICROPYTHON.RaspberryPi:
from terkin.sensor.linux import LinuxSysfsDS18B20
self.driver = LinuxSysfsDS18B20(onewire_bus)
else:
raise NotImplementedError(
'DS18x20 driver not implemented on this platform')
return True
except Exception as ex:
log.exc(ex, 'DS18x20 hardware driver failed')
return False