def _init_pumps(pumps=list(), expanders=dict()):
log.debug(f'Initializing pumps')
configured_pumps = dict()
for pump in pumps:
if not pump.get('name', None) and not pump.get('pin', None):
error_msg = f'Missing correct pump configuration {pump}'
log.fatal(error_msg)
raise ConfigError(error_msg)
if pump.get('expander', None):
if expanders.get(pump.get('expander'), None):
pump['expander'] = expanders[pump['expander']]
else:
error_msg = f'Device has non-existent IO Expander configured {pump}'
log.fatal(error_msg)
raise ConfigError(error_msg)
configured_pumps[pump.get('name')] = Pump(**pump)
return configured_pumps
def __init__(self, *args, **kwargs):
self._hardware = kwargs.get('hardware', None)
if not self._hardware:
error_msg = f'Hardware configuration not provided'
log.fatal(error_msg)
raise ConfigError(error_msg)
def outputvalue(self, outputvalue=None):
if not outputvalue:
error_msg = f'Expecting chip output value data, received null'
log.fatal(error_msg)
raise ConfigError(error_msg)
self._outputvalue = outputvalue
def gpios(self, gpios=None):
if not 0 <= gpios <= 16:
error_msg = f'The number of GPIO pins must be between 0 and 16, received {gpios}'
log.fatal(error_msg)
raise ConfigError(error_msg)
self._gpios = gpios
def direction(self, direction=None):
if not direction:
error_msg = "Expecting chip direction data, received null"
log.fatal(error_msg)
raise ConfigError(error_msg)
self._direction = direction
def bus(self, bus=None):
if not 0 <= bus <= 255:
error_msg = f'I2C Bus Invalid, expecting int between 0 and 255, received {bus}'
log.fatal(error_msg)
raise ConfigError(error_msg)
self._bus = bus
def address(self, address=None):
if not 0x20 <= address <= 0x27:
error_msg = f'Address out of range, expecting between 0x20 and 0x27, received {address}'
log.fatal(error_msg)
raise ConfigError(error_msg)
self._address = address