def _apply_fault_queue_length(self, config, length):
bit_0_set = (length << 3) & FAULT_QUEUE_BIT_0
bit_1_set = (length << 3) & FAULT_QUEUE_BIT_1
config[0] = _set_bit_for_boolean(config[0], FAULT_QUEUE_BIT_0,
bit_0_set)
config[0] = _set_bit_for_boolean(config[0], FAULT_QUEUE_BIT_1,
bit_1_set)
return config
def _apply_fault_queue_length(self, config, length):
bit_0_set = (length << 3) & FAULT_QUEUE_BIT_0
bit_1_set = (length << 3) & FAULT_QUEUE_BIT_1
config[0] = _set_bit_for_boolean(
config[0],
FAULT_QUEUE_BIT_0,
bit_0_set
)
config[0] = _set_bit_for_boolean(
config[0],
FAULT_QUEUE_BIT_1,
bit_1_set
)
return config
def _apply_conversion_rate(self, config, rate):
bit_0_set = (rate << 6) & CONVERSION_RATE_BIT_0
bit_1_set = (rate << 6) & CONVERSION_RATE_BIT_1
config[1] = _set_bit_for_boolean(
config[1],
CONVERSION_RATE_BIT_0,
bit_0_set
)
config[1] = _set_bit_for_boolean(
config[1],
CONVERSION_RATE_BIT_1,
bit_1_set
)
return config
def _apply_shutdown(self, config, shutdown_set):
config[0] = _set_bit_for_boolean(
config[0],
SHUTDOWN_BIT,
shutdown_set
)
return config
def _apply_thermostat_mode(self, config, mode_set):
config[0] = _set_bit_for_boolean(
config[0],
THERMOSTAT_MODE_BIT,
mode_set
)
return config
def _apply_alert_polarity(self, config, polarity_set):
config[0] = _set_bit_for_boolean(
config[0],
POLARITY_BIT,
polarity_set
)
return config
def _apply_extended_mode(self, config, mode_set):
config[1] = _set_bit_for_boolean(
config[1],
EXTENDED_MODE_BIT,
mode_set
)
return config
def initiate_conversion(self):
"""
Initiate a one-shot conversion.
"""
current_config = self._get_config()
if not current_config[0] & SHUTDOWN_BIT:
raise RuntimeError(
"Device must be shut down to initiate one-shot conversion")
new_config = bytearray(current_config)
new_config[0] = _set_bit_for_boolean(new_config[0], ONE_SHOT_BIT, True)
self._set_config(new_config)
def _apply_shutdown(self, config, shutdown_set):
config[0] = _set_bit_for_boolean(config[0], SHUTDOWN_BIT, shutdown_set)
return config
def _apply_extended_mode(self, config, mode_set):
config[1] = _set_bit_for_boolean(config[1], EXTENDED_MODE_BIT,
mode_set)
return config
def _apply_thermostat_mode(self, config, mode_set):
config[0] = _set_bit_for_boolean(config[0], THERMOSTAT_MODE_BIT,
mode_set)
return config
def _apply_alert_polarity(self, config, polarity_set):
config[0] = _set_bit_for_boolean(config[0], POLARITY_BIT, polarity_set)
return config
