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Read Modbus climate current temp from input register (#31944)

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Vladimír Záhradník 2020-02-18 18:45:05 +01:00 committed by GitHub
parent b73531b2fc
commit af67bb0df3
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1 changed files with 37 additions and 21 deletions
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58
homeassistant/components/modbus/climate.py
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@ -27,6 +27,7 @@ _LOGGER = logging.getLogger(__name__)
CONF_TARGET_TEMP = "target_temp_register"
CONF_CURRENT_TEMP = "current_temp_register"
CONF_CURRENT_TEMP_REGISTER_TYPE = "current_temp_register_type"
CONF_DATA_TYPE = "data_type"
CONF_COUNT = "data_count"
CONF_PRECISION = "precision"
@ -42,6 +43,9 @@ CONF_STEP = "temp_step"
SUPPORT_FLAGS = SUPPORT_TARGET_TEMPERATURE
HVAC_MODES = [HVAC_MODE_AUTO]
DEFAULT_REGISTER_TYPE_HOLDING = "holding"
DEFAULT_REGISTER_TYPE_INPUT = "input"
PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
{
vol.Required(CONF_CURRENT_TEMP): cv.positive_int,
@ -49,6 +53,9 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
vol.Required(CONF_SLAVE): cv.positive_int,
vol.Required(CONF_TARGET_TEMP): cv.positive_int,
vol.Optional(CONF_COUNT, default=2): cv.positive_int,
vol.Optional(
CONF_CURRENT_TEMP_REGISTER_TYPE, default=DEFAULT_REGISTER_TYPE_HOLDING
): vol.In([DEFAULT_REGISTER_TYPE_HOLDING, DEFAULT_REGISTER_TYPE_INPUT]),
vol.Optional(CONF_DATA_TYPE, default=DATA_TYPE_FLOAT): vol.In(
[DATA_TYPE_INT, DATA_TYPE_UINT, DATA_TYPE_FLOAT]
),
@ -66,20 +73,21 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
def setup_platform(hass, config, add_entities, discovery_info=None):
"""Set up the Modbus Thermostat Platform."""
name = config.get(CONF_NAME)
modbus_slave = config.get(CONF_SLAVE)
target_temp_register = config.get(CONF_TARGET_TEMP)
current_temp_register = config.get(CONF_CURRENT_TEMP)
data_type = config.get(CONF_DATA_TYPE)
count = config.get(CONF_COUNT)
precision = config.get(CONF_PRECISION)
scale = config.get(CONF_SCALE)
offset = config.get(CONF_OFFSET)
unit = config.get(CONF_UNIT)
max_temp = config.get(CONF_MAX_TEMP)
min_temp = config.get(CONF_MIN_TEMP)
temp_step = config.get(CONF_STEP)
hub_name = config.get(CONF_HUB)
name = config[CONF_NAME]
modbus_slave = config[CONF_SLAVE]
target_temp_register = config[CONF_TARGET_TEMP]
current_temp_register = config[CONF_CURRENT_TEMP]
current_temp_register_type = config[CONF_CURRENT_TEMP_REGISTER_TYPE]
data_type = config[CONF_DATA_TYPE]
count = config[CONF_COUNT]
precision = config[CONF_PRECISION]
scale = config[CONF_SCALE]
offset = config[CONF_OFFSET]
unit = config[CONF_UNIT]
max_temp = config[CONF_MAX_TEMP]
min_temp = config[CONF_MIN_TEMP]
temp_step = config[CONF_STEP]
hub_name = config[CONF_HUB]
hub = hass.data[MODBUS_DOMAIN][hub_name]
add_entities(
@ -90,6 +98,7 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
modbus_slave,
target_temp_register,
current_temp_register,
current_temp_register_type,
data_type,
count,
precision,
@ -115,6 +124,7 @@ class ModbusThermostat(ClimateDevice):
modbus_slave,
target_temp_register,
current_temp_register,
current_temp_register_type,
data_type,
count,
precision,
@ -131,6 +141,7 @@ class ModbusThermostat(ClimateDevice):
self._slave = modbus_slave
self._target_temperature_register = target_temp_register
self._current_temperature_register = current_temp_register
self._current_temperature_register_type = current_temp_register_type
self._target_temperature = None
self._current_temperature = None
self._data_type = data_type
@ -161,10 +172,10 @@ class ModbusThermostat(ClimateDevice):
def update(self):
"""Update Target & Current Temperature."""
self._target_temperature = self._read_register(
self._target_temperature_register
DEFAULT_REGISTER_TYPE_HOLDING, self._target_temperature_register
)
self._current_temperature = self._read_register(
self._current_temperature_register
self._current_temperature_register_type, self._current_temperature_register
)
@property
@ -228,12 +239,17 @@ class ModbusThermostat(ClimateDevice):
"""Return True if entity is available."""
return self._available
def _read_register(self, register) -> Optional[float]:
"""Read holding register using the Modbus hub slave."""
def _read_register(self, register_type, register) -> Optional[float]:
"""Read register using the Modbus hub slave."""
try:
result = self._hub.read_holding_registers(
self._slave, register, self._count
)
if register_type == DEFAULT_REGISTER_TYPE_INPUT:
result = self._hub.read_input_registers(
self._slave, register, self._count
)
else:
result = self._hub.read_holding_registers(
self._slave, register, self._count
)
except ConnectionException:
self._set_unavailable(register)
return