Files
esphome-lsm6ds/esphome/components/modbus_server/__init__.py
T

125 lines
4.2 KiB
Python

import esphome.codegen as cg
from esphome.components import modbus
from esphome.components.const import CONF_ENABLED
from esphome.components.modbus.helpers import (
CPP_TYPE_REGISTER_MAP,
SENSOR_VALUE_TYPE,
TYPE_REGISTER_MAP,
)
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID
from .const import (
CONF_COURTESY_RESPONSE,
CONF_READ_LAMBDA,
CONF_REGISTER_LAST_ADDRESS,
CONF_REGISTER_VALUE,
CONF_REGISTERS,
CONF_VALUE_TYPE,
CONF_WRITE_LAMBDA,
)
CODEOWNERS = ["@exciton"]
AUTO_LOAD = ["modbus"]
MULTI_CONF = True
modbus_server_ns = cg.esphome_ns.namespace("modbus_server")
ModbusServer = modbus_server_ns.class_(
"ModbusServer", cg.Component, modbus.ModbusDevice
)
ServerCourtesyResponse = modbus_server_ns.struct("ServerCourtesyResponse")
ServerRegister = modbus_server_ns.struct("ServerRegister")
SERVER_COURTESY_RESPONSE_SCHEMA = cv.Schema(
{
cv.Optional(CONF_ENABLED, default=False): cv.boolean,
cv.Optional(CONF_REGISTER_LAST_ADDRESS, default=0xFFFF): cv.hex_uint16_t,
cv.Optional(CONF_REGISTER_VALUE, default=0): cv.hex_uint16_t,
}
)
ModbusServerRegisterSchema = cv.Schema(
{
cv.GenerateID(): cv.declare_id(ServerRegister),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(SENSOR_VALUE_TYPE),
cv.Required(CONF_READ_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
}
)
CONFIG_SCHEMA = cv.All(
cv.Schema(
{
cv.GenerateID(): cv.declare_id(ModbusServer),
cv.Optional(CONF_COURTESY_RESPONSE): SERVER_COURTESY_RESPONSE_SCHEMA,
cv.Optional(
CONF_REGISTERS,
): cv.ensure_list(ModbusServerRegisterSchema),
}
).extend(modbus.modbus_device_schema(0x01)),
)
def _final_validate(config):
return modbus.final_validate_modbus_device("modbus_server", role="server")(config)
FINAL_VALIDATE_SCHEMA = _final_validate
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
if server_courtesy_response := config.get(CONF_COURTESY_RESPONSE):
cg.add(
var.set_server_courtesy_response(
cg.StructInitializer(
ServerCourtesyResponse,
("enabled", server_courtesy_response[CONF_ENABLED]),
(
"register_last_address",
server_courtesy_response[CONF_REGISTER_LAST_ADDRESS],
),
("register_value", server_courtesy_response[CONF_REGISTER_VALUE]),
)
)
)
if CONF_REGISTERS in config:
for server_register in config[CONF_REGISTERS]:
server_register_var = cg.new_Pvariable(
server_register[CONF_ID],
server_register[CONF_ADDRESS],
server_register[CONF_VALUE_TYPE],
TYPE_REGISTER_MAP[server_register[CONF_VALUE_TYPE]],
)
cpp_type = CPP_TYPE_REGISTER_MAP[server_register[CONF_VALUE_TYPE]]
cg.add(
server_register_var.set_read_lambda(
cg.TemplateArguments(cpp_type),
await cg.process_lambda(
server_register[CONF_READ_LAMBDA],
[(cg.uint16, "address")],
return_type=cpp_type,
),
)
)
if CONF_WRITE_LAMBDA in server_register:
cg.add(
server_register_var.set_write_lambda(
cg.TemplateArguments(cpp_type),
await cg.process_lambda(
server_register[CONF_WRITE_LAMBDA],
parameters=[(cg.uint16, "address"), (cpp_type, "x")],
return_type=cg.bool_,
),
)
)
cg.add(var.add_server_register(server_register_var))
cg.add(var.set_address(config[CONF_ADDRESS]))
await cg.register_component(var, config)
return await modbus.register_modbus_device(var, config)