Files
esphome-dev/esphome/components/modbus_controller/output/__init__.py
T

69 lines
1.8 KiB
Python

import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import output
from esphome.const import (
CONF_ADDRESS,
CONF_ID,
CONF_MULTIPLY,
)
from .. import (
modbus_controller_ns,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
)
from ..const import (
CONF_MODBUS_CONTROLLER_ID,
CONF_VALUE_TYPE,
CONF_WRITE_LAMBDA,
)
DEPENDENCIES = ["modbus_controller"]
CODEOWNERS = ["@martgras"]
ModbusOutput = modbus_controller_ns.class_(
"ModbusOutput", cg.Component, output.FloatOutput, SensorItem
)
CONFIG_SCHEMA = cv.All(
output.FLOAT_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
{
cv.GenerateID(): cv.declare_id(ModbusOutput),
cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_MULTIPLY, default=1.0): cv.float_,
}
),
validate_modbus_register,
)
async def to_code(config):
byte_offset, reg_count = modbus_calc_properties(config)
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_ADDRESS],
byte_offset,
config[CONF_VALUE_TYPE],
reg_count,
)
await output.register_output(var, config)
cg.add(var.set_write_multiply(config[CONF_MULTIPLY]))
parent = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(var.set_parent(parent))
if CONF_WRITE_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_WRITE_LAMBDA],
[
(ModbusOutput.operator("ptr"), "item"),
(cg.float_, "x"),
(cg.std_vector.template(cg.uint16).operator("ref"), "payload"),
],
return_type=cg.optional.template(float),
)
cg.add(var.set_write_template(template_))