esphome/esphome/components/modbus_controller/select/__init__.py
2022-04-03 19:30:22 +12:00

142 lines
4.6 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import select
from esphome.const import CONF_ADDRESS, CONF_ID, CONF_LAMBDA, CONF_OPTIMISTIC
from .. import (
SENSOR_VALUE_TYPE,
TYPE_REGISTER_MAP,
ModbusController,
SensorItem,
modbus_controller_ns,
)
from ..const import (
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
CONF_SKIP_UPDATES,
CONF_USE_WRITE_MULTIPLE,
CONF_VALUE_TYPE,
CONF_WRITE_LAMBDA,
)
DEPENDENCIES = ["modbus_controller"]
CODEOWNERS = ["@martgras", "@stegm"]
CONF_OPTIONSMAP = "optionsmap"
ModbusSelect = modbus_controller_ns.class_(
"ModbusSelect", cg.Component, select.Select, SensorItem
)
def ensure_option_map():
def validator(value):
cv.check_not_templatable(value)
option = cv.All(cv.string_strict)
mapping = cv.All(cv.int_range(-(2**63), 2**63 - 1))
options_map_schema = cv.Schema({option: mapping})
value = options_map_schema(value)
all_values = list(value.values())
unique_values = set(value.values())
if len(all_values) != len(unique_values):
raise cv.Invalid("Mapping values must be unique.")
return value
return validator
def register_count_value_type_min(value):
reg_count = value.get(CONF_REGISTER_COUNT)
if reg_count is not None:
value_type = value[CONF_VALUE_TYPE]
min_register_count = TYPE_REGISTER_MAP[value_type]
if min_register_count > reg_count:
raise cv.Invalid(
f"Value type {value_type} needs at least {min_register_count} registers"
)
return value
INTEGER_SENSOR_VALUE_TYPE = {
key: value for key, value in SENSOR_VALUE_TYPE.items() if not key.startswith("FP")
}
CONFIG_SCHEMA = cv.All(
select.SELECT_SCHEMA.extend(cv.COMPONENT_SCHEMA).extend(
{
cv.GenerateID(): cv.declare_id(ModbusSelect),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(
INTEGER_SENSOR_VALUE_TYPE
),
cv.Optional(CONF_REGISTER_COUNT): cv.positive_int,
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Required(CONF_OPTIONSMAP): ensure_option_map(),
cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
cv.Optional(CONF_OPTIMISTIC, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
},
),
register_count_value_type_min,
)
async def to_code(config):
value_type = config[CONF_VALUE_TYPE]
reg_count = config.get(CONF_REGISTER_COUNT)
if reg_count is None:
reg_count = TYPE_REGISTER_MAP[value_type]
options_map = config[CONF_OPTIONSMAP]
var = cg.new_Pvariable(
config[CONF_ID],
value_type,
config[CONF_ADDRESS],
reg_count,
config[CONF_SKIP_UPDATES],
config[CONF_FORCE_NEW_RANGE],
list(options_map.values()),
)
await cg.register_component(var, config)
await select.register_select(var, config, options=list(options_map.keys()))
parent = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(parent.add_sensor_item(var))
cg.add(var.set_parent(parent))
cg.add(var.set_use_write_mutiple(config[CONF_USE_WRITE_MULTIPLE]))
cg.add(var.set_optimistic(config[CONF_OPTIMISTIC]))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(ModbusSelect.operator("const_ptr"), "item"),
(cg.int64, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
],
return_type=cg.optional.template(cg.std_string),
)
cg.add(var.set_template(template_))
if CONF_WRITE_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_WRITE_LAMBDA],
[
(ModbusSelect.operator("const_ptr"), "item"),
(cg.std_string.operator("const").operator("ref"), "x"),
(cg.int64, "value"),
(cg.std_vector.template(cg.uint16).operator("ref"), "payload"),
],
return_type=cg.optional.template(cg.int64),
)
cg.add(var.set_write_template(template_))