class VEDirectSensor(AbstractSensor):
"""
About
=====
Victron Energy VE.Direct MPPT charge controller sensor component.
Supported devices
=================
- SmartSolar MPPT 100/20
- SmartSolar MPPT 75/15
- BlueSolar MPPT 75/15
- BMV 702 battery monitor
Resources
=========
- https://github.com/karioja/vedirect
- https://www.victronenergy.com/solar-charge-controllers/smartsolar-mppt-75-10-75-15-100-15-100-20
- https://www.victronenergy.com/solar-charge-controllers/bluesolar-mppt-150-35
- https://www.victronenergy.com/battery-monitors/bmv-700
- https://www.victronenergy.com/live/victronconnect:mppt-solarchargers
"""
def __init__(self, settings=None):
super().__init__(settings=settings)
# Can be overwritten by ``.set_address()``.
self.device = settings['device']
self.timeout = 5
self.driver = None
def start(self):
log.info('Initializing sensor "Victron Energy VE.Direct"')
# Initialize the hardware driver.
try:
# MicroPython
if platform_info.vendor in [
platform_info.MICROPYTHON.Vanilla,
platform_info.MICROPYTHON.Pycom
]:
raise NotImplementedError(
'VEDirect driver not implemented on MicroPython')
# CPython
elif platform_info.vendor == platform_info.MICROPYTHON.RaspberryPi:
from vedirect import Vedirect
self.driver = Vedirect(serialport=self.device,
timeout=self.timeout)
else:
raise NotImplementedError(
'VEDirect driver not implemented on this platform')
return True
except Exception as ex:
log.exc(ex, 'VEDirect hardware driver failed')
def read(self):
log.info('Reading sensor "Victron Energy VE.Direct"')
# MicroPython
if platform_info.vendor in [
platform_info.MICROPYTHON.Vanilla,
platform_info.MICROPYTHON.Pycom
]:
raise NotImplementedError(
'VEDirect driver not implemented on MicroPython')
# CPython
elif platform_info.vendor == platform_info.MICROPYTHON.RaspberryPi:
data_raw = self.driver.read_data_single()
data = {}
for key, value in data_raw.items():
key = 'vedirect:{}'.format(key)
data[key] = value
return data
def get_data(self):
ve = Vedirect(self.port, 60)
return self.format_data(ve.read_data_single())