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[modbus] Share helper functions across modbus components - part A (#15291)

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Co-authored-by: J. Nick Koston <nick@home-assistant.io>
This commit is contained in:
Bonne Eggleston
2026-03-30 09:56:47 -07:00
committed by GitHub
parent 1bc6a8d956
commit 31574a427b
12 changed files with 231 additions and 184 deletions
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esphome/components/modbus/helpers.py
+83
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@@ -0,0 +1,83 @@
import esphome.codegen as cg
modbus_ns = cg.esphome_ns.namespace("modbus")
modbus_helpers_ns = modbus_ns.namespace("helpers")
ModbusFunctionCode_ns = modbus_ns.namespace("ModbusFunctionCode")
ModbusFunctionCode = ModbusFunctionCode_ns.enum("ModbusFunctionCode")
MODBUS_FUNCTION_CODE = {
"read_coils": ModbusFunctionCode.READ_COILS,
"read_discrete_inputs": ModbusFunctionCode.READ_DISCRETE_INPUTS,
"read_holding_registers": ModbusFunctionCode.READ_HOLDING_REGISTERS,
"read_input_registers": ModbusFunctionCode.READ_INPUT_REGISTERS,
"write_single_coil": ModbusFunctionCode.WRITE_SINGLE_COIL,
"write_single_register": ModbusFunctionCode.WRITE_SINGLE_REGISTER,
"write_multiple_coils": ModbusFunctionCode.WRITE_MULTIPLE_COILS,
"write_multiple_registers": ModbusFunctionCode.WRITE_MULTIPLE_REGISTERS,
}
ModbusRegisterType_ns = modbus_ns.namespace("ModbusRegisterType")
ModbusRegisterType = ModbusRegisterType_ns.enum("ModbusRegisterType")
MODBUS_WRITE_REGISTER_TYPE = {
"custom": ModbusRegisterType.CUSTOM,
"coil": ModbusRegisterType.COIL,
"holding": ModbusRegisterType.HOLDING,
}
MODBUS_REGISTER_TYPE = {
**MODBUS_WRITE_REGISTER_TYPE,
"discrete_input": ModbusRegisterType.DISCRETE_INPUT,
"read": ModbusRegisterType.READ,
}
SensorValueType_ns = modbus_helpers_ns.namespace("SensorValueType")
SensorValueType = SensorValueType_ns.enum("SensorValueType")
SENSOR_VALUE_TYPE = {
"RAW": SensorValueType.RAW,
"U_WORD": SensorValueType.U_WORD,
"S_WORD": SensorValueType.S_WORD,
"U_DWORD": SensorValueType.U_DWORD,
"U_DWORD_R": SensorValueType.U_DWORD_R,
"S_DWORD": SensorValueType.S_DWORD,
"S_DWORD_R": SensorValueType.S_DWORD_R,
"U_QWORD": SensorValueType.U_QWORD,
"U_QWORD_R": SensorValueType.U_QWORD_R,
"S_QWORD": SensorValueType.S_QWORD,
"S_QWORD_R": SensorValueType.S_QWORD_R,
"FP32": SensorValueType.FP32,
"FP32_R": SensorValueType.FP32_R,
}
TYPE_REGISTER_MAP = {
"RAW": 1,
"U_WORD": 1,
"S_WORD": 1,
"U_DWORD": 2,
"U_DWORD_R": 2,
"S_DWORD": 2,
"S_DWORD_R": 2,
"U_QWORD": 4,
"U_QWORD_R": 4,
"S_QWORD": 4,
"S_QWORD_R": 4,
"FP32": 2,
"FP32_R": 2,
}
CPP_TYPE_REGISTER_MAP = {
"RAW": cg.uint16,
"U_WORD": cg.uint16,
"S_WORD": cg.int16,
"U_DWORD": cg.uint32,
"U_DWORD_R": cg.uint32,
"S_DWORD": cg.int32,
"S_DWORD_R": cg.int32,
"U_QWORD": cg.uint64,
"U_QWORD_R": cg.uint64,
"S_QWORD": cg.int64,
"S_QWORD_R": cg.int64,
"FP32": cg.float_,
"FP32_R": cg.float_,
}
esphome/components/modbus/modbus_helpers.h
+106
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@@ -0,0 +1,106 @@
#pragma once
#include <string>
#include "esphome/core/helpers.h"
#include "esphome/components/modbus/modbus_definitions.h"
namespace esphome::modbus::helpers {
enum class SensorValueType : uint8_t {
RAW = 0x00, // variable length
U_WORD = 0x1, // 1 Register unsigned
U_DWORD = 0x2, // 2 Registers unsigned
S_WORD = 0x3, // 1 Register signed
S_DWORD = 0x4, // 2 Registers signed
BIT = 0x5,
U_DWORD_R = 0x6, // 2 Registers unsigned
S_DWORD_R = 0x7, // 2 Registers unsigned
U_QWORD = 0x8,
S_QWORD = 0x9,
U_QWORD_R = 0xA,
S_QWORD_R = 0xB,
FP32 = 0xC,
FP32_R = 0xD
};
inline bool value_type_is_float(SensorValueType v) {
return v == SensorValueType::FP32 || v == SensorValueType::FP32_R;
}
inline ModbusFunctionCode modbus_register_read_function(ModbusRegisterType reg_type) {
switch (reg_type) {
case ModbusRegisterType::COIL:
return ModbusFunctionCode::READ_COILS;
case ModbusRegisterType::DISCRETE_INPUT:
return ModbusFunctionCode::READ_DISCRETE_INPUTS;
case ModbusRegisterType::HOLDING:
return ModbusFunctionCode::READ_HOLDING_REGISTERS;
case ModbusRegisterType::READ:
return ModbusFunctionCode::READ_INPUT_REGISTERS;
default:
return ModbusFunctionCode::CUSTOM;
}
}
inline ModbusFunctionCode modbus_register_write_function(ModbusRegisterType reg_type) {
switch (reg_type) {
case ModbusRegisterType::COIL:
return ModbusFunctionCode::WRITE_SINGLE_COIL;
case ModbusRegisterType::DISCRETE_INPUT:
return ModbusFunctionCode::CUSTOM;
case ModbusRegisterType::HOLDING:
return ModbusFunctionCode::READ_WRITE_MULTIPLE_REGISTERS;
case ModbusRegisterType::READ:
default:
return ModbusFunctionCode::CUSTOM;
}
}
inline uint8_t c_to_hex(char c) { return (c >= 'A') ? (c >= 'a') ? (c - 'a' + 10) : (c - 'A' + 10) : (c - '0'); }
/** Get a byte from a hex string
* byte_from_hex_str("1122", 1) returns uint_8 value 0x22 == 34
* byte_from_hex_str("1122", 0) returns 0x11
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return byte value
*/
inline uint8_t byte_from_hex_str(const std::string &value, uint8_t pos) {
if (value.length() < pos * 2 + 2)
return 0;
return (c_to_hex(value[pos * 2]) << 4) | c_to_hex(value[pos * 2 + 1]);
}
/** Get a word from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return word value
*/
inline uint16_t word_from_hex_str(const std::string &value, uint8_t pos) {
return byte_from_hex_str(value, pos) << 8 | byte_from_hex_str(value, pos + 1);
}
/** Get a dword from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return dword value
*/
inline uint32_t dword_from_hex_str(const std::string &value, uint8_t pos) {
return word_from_hex_str(value, pos) << 16 | word_from_hex_str(value, pos + 2);
}
/** Get a qword from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return qword value
*/
inline uint64_t qword_from_hex_str(const std::string &value, uint8_t pos) {
return static_cast<uint64_t>(dword_from_hex_str(value, pos)) << 32 | dword_from_hex_str(value, pos + 4);
}
} // namespace esphome::modbus::helpers
esphome/components/modbus_controller/__init__.py
+7 -80
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@@ -4,6 +4,13 @@ from esphome import automation
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,
MODBUS_REGISTER_TYPE,
SENSOR_VALUE_TYPE,
TYPE_REGISTER_MAP,
ModbusRegisterType,
)
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID, CONF_LAMBDA, CONF_NAME, CONF_OFFSET
from esphome.cpp_helpers import logging
@@ -41,7 +48,6 @@ CONF_SERVER_REGISTERS = "server_registers"
MULTI_CONF = True
modbus_controller_ns = cg.esphome_ns.namespace("modbus_controller")
modbus_ns = cg.esphome_ns.namespace("modbus")
ModbusController = modbus_controller_ns.class_(
"ModbusController", cg.PollingComponent, modbus.ModbusDevice
)
@@ -50,85 +56,6 @@ SensorItem = modbus_controller_ns.struct("SensorItem")
ServerCourtesyResponse = modbus_controller_ns.struct("ServerCourtesyResponse")
ServerRegister = modbus_controller_ns.struct("ServerRegister")
ModbusFunctionCode_ns = modbus_ns.namespace("ModbusFunctionCode")
ModbusFunctionCode = ModbusFunctionCode_ns.enum("ModbusFunctionCode")
MODBUS_FUNCTION_CODE = {
"read_coils": ModbusFunctionCode.READ_COILS,
"read_discrete_inputs": ModbusFunctionCode.READ_DISCRETE_INPUTS,
"read_holding_registers": ModbusFunctionCode.READ_HOLDING_REGISTERS,
"read_input_registers": ModbusFunctionCode.READ_INPUT_REGISTERS,
"write_single_coil": ModbusFunctionCode.WRITE_SINGLE_COIL,
"write_single_register": ModbusFunctionCode.WRITE_SINGLE_REGISTER,
"write_multiple_coils": ModbusFunctionCode.WRITE_MULTIPLE_COILS,
"write_multiple_registers": ModbusFunctionCode.WRITE_MULTIPLE_REGISTERS,
}
ModbusRegisterType_ns = modbus_controller_ns.namespace("ModbusRegisterType")
ModbusRegisterType = ModbusRegisterType_ns.enum("ModbusRegisterType")
MODBUS_WRITE_REGISTER_TYPE = {
"custom": ModbusRegisterType.CUSTOM,
"coil": ModbusRegisterType.COIL,
"holding": ModbusRegisterType.HOLDING,
}
MODBUS_REGISTER_TYPE = {
**MODBUS_WRITE_REGISTER_TYPE,
"discrete_input": ModbusRegisterType.DISCRETE_INPUT,
"read": ModbusRegisterType.READ,
}
SensorValueType_ns = modbus_controller_ns.namespace("SensorValueType")
SensorValueType = SensorValueType_ns.enum("SensorValueType")
SENSOR_VALUE_TYPE = {
"RAW": SensorValueType.RAW,
"U_WORD": SensorValueType.U_WORD,
"S_WORD": SensorValueType.S_WORD,
"U_DWORD": SensorValueType.U_DWORD,
"U_DWORD_R": SensorValueType.U_DWORD_R,
"S_DWORD": SensorValueType.S_DWORD,
"S_DWORD_R": SensorValueType.S_DWORD_R,
"U_QWORD": SensorValueType.U_QWORD,
"U_QWORD_R": SensorValueType.U_QWORD_R,
"S_QWORD": SensorValueType.S_QWORD,
"S_QWORD_R": SensorValueType.S_QWORD_R,
"FP32": SensorValueType.FP32,
"FP32_R": SensorValueType.FP32_R,
}
TYPE_REGISTER_MAP = {
"RAW": 1,
"U_WORD": 1,
"S_WORD": 1,
"U_DWORD": 2,
"U_DWORD_R": 2,
"S_DWORD": 2,
"S_DWORD_R": 2,
"U_QWORD": 4,
"U_QWORD_R": 4,
"S_QWORD": 4,
"S_QWORD_R": 4,
"FP32": 2,
"FP32_R": 2,
}
CPP_TYPE_REGISTER_MAP = {
"RAW": cg.uint16,
"U_WORD": cg.uint16,
"S_WORD": cg.int16,
"U_DWORD": cg.uint32,
"U_DWORD_R": cg.uint32,
"S_DWORD": cg.int32,
"S_DWORD_R": cg.int32,
"U_QWORD": cg.uint64,
"U_QWORD_R": cg.uint64,
"S_QWORD": cg.int64,
"S_QWORD_R": cg.int64,
"FP32": cg.float_,
"FP32_R": cg.float_,
}
_LOGGER = logging.getLogger(__name__)
SERVER_COURTESY_RESPONSE_SCHEMA = cv.Schema(
esphome/components/modbus_controller/binary_sensor/__init__.py
+1 -1
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@@ -1,10 +1,10 @@
import esphome.codegen as cg
from esphome.components import binary_sensor
from esphome.components.modbus.helpers import MODBUS_REGISTER_TYPE
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID
from .. import (
MODBUS_REGISTER_TYPE,
ModbusItemBaseSchema,
SensorItem,
add_modbus_base_properties,
esphome/components/modbus_controller/modbus_controller.cpp
+2 -2
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@@ -535,7 +535,7 @@ ModbusCommandItem ModbusCommandItem::create_read_command(
ModbusCommandItem cmd;
cmd.modbusdevice = modbusdevice;
cmd.register_type = register_type;
cmd.function_code = modbus_register_read_function(register_type);
cmd.function_code = modbus::helpers::modbus_register_read_function(register_type);
cmd.register_address = start_address;
cmd.register_count = register_count;
cmd.on_data_func = std::move(handler);
@@ -548,7 +548,7 @@ ModbusCommandItem ModbusCommandItem::create_read_command(ModbusController *modbu
ModbusCommandItem cmd;
cmd.modbusdevice = modbusdevice;
cmd.register_type = register_type;
cmd.function_code = modbus_register_read_function(register_type);
cmd.function_code = modbus::helpers::modbus_register_read_function(register_type);
cmd.register_address = start_address;
cmd.register_count = register_count;
cmd.on_data_func = [modbusdevice](ModbusRegisterType register_type, uint16_t start_address,
esphome/components/modbus_controller/modbus_controller.h
+22 -87
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@@ -3,6 +3,7 @@
#include "esphome/core/component.h"
#include "esphome/components/modbus/modbus.h"
#include "esphome/components/modbus/modbus_helpers.h"
#include "esphome/core/automation.h"
#include <list>
@@ -19,109 +20,43 @@ class ModbusController;
using modbus::ModbusFunctionCode;
using modbus::ModbusRegisterType;
using modbus::ModbusExceptionCode;
using modbus::helpers::SensorValueType;
enum class SensorValueType : uint8_t {
RAW = 0x00, // variable length
U_WORD = 0x1, // 1 Register unsigned
U_DWORD = 0x2, // 2 Registers unsigned
S_WORD = 0x3, // 1 Register signed
S_DWORD = 0x4, // 2 Registers signed
BIT = 0x5,
U_DWORD_R = 0x6, // 2 Registers unsigned
S_DWORD_R = 0x7, // 2 Registers unsigned
U_QWORD = 0x8,
S_QWORD = 0x9,
U_QWORD_R = 0xA,
S_QWORD_R = 0xB,
FP32 = 0xC,
FP32_R = 0xD
};
inline bool value_type_is_float(SensorValueType v) {
return v == SensorValueType::FP32 || v == SensorValueType::FP32_R;
}
// Remove before 2026.10.0 — these helpers have moved to modbus::helpers
ESPDEPRECATED("Use modbus::helpers::value_type_is_float() instead. Removed in 2026.10.0", "2026.4.0")
inline bool value_type_is_float(SensorValueType v) { return modbus::helpers::value_type_is_float(v); }
ESPDEPRECATED("Use modbus::helpers::modbus_register_read_function() instead. Removed in 2026.10.0", "2026.4.0")
inline ModbusFunctionCode modbus_register_read_function(ModbusRegisterType reg_type) {
switch (reg_type) {
case ModbusRegisterType::COIL:
return ModbusFunctionCode::READ_COILS;
break;
case ModbusRegisterType::DISCRETE_INPUT:
return ModbusFunctionCode::READ_DISCRETE_INPUTS;
break;
case ModbusRegisterType::HOLDING:
return ModbusFunctionCode::READ_HOLDING_REGISTERS;
break;
case ModbusRegisterType::READ:
return ModbusFunctionCode::READ_INPUT_REGISTERS;
break;
default:
return ModbusFunctionCode::CUSTOM;
break;
}
return modbus::helpers::modbus_register_read_function(reg_type);
}
ESPDEPRECATED("Use modbus::helpers::modbus_register_write_function() instead. Removed in 2026.10.0", "2026.4.0")
inline ModbusFunctionCode modbus_register_write_function(ModbusRegisterType reg_type) {
switch (reg_type) {
case ModbusRegisterType::COIL:
return ModbusFunctionCode::WRITE_SINGLE_COIL;
break;
case ModbusRegisterType::DISCRETE_INPUT:
return ModbusFunctionCode::CUSTOM;
break;
case ModbusRegisterType::HOLDING:
return ModbusFunctionCode::READ_WRITE_MULTIPLE_REGISTERS;
break;
case ModbusRegisterType::READ:
default:
return ModbusFunctionCode::CUSTOM;
break;
}
return modbus::helpers::modbus_register_write_function(reg_type);
}
inline uint8_t c_to_hex(char c) { return (c >= 'A') ? (c >= 'a') ? (c - 'a' + 10) : (c - 'A' + 10) : (c - '0'); }
ESPDEPRECATED("Use modbus::helpers::c_to_hex() instead. Removed in 2026.10.0", "2026.4.0")
inline uint8_t c_to_hex(char c) { return modbus::helpers::c_to_hex(c); }
/** Get a byte from a hex string
* byte_from_hex_str("1122", 1) returns uint_8 value 0x22 == 34
* byte_from_hex_str("1122", 0) returns 0x11
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return byte value
*/
ESPDEPRECATED("Use modbus::helpers::byte_from_hex_str() instead. Removed in 2026.10.0", "2026.4.0")
inline uint8_t byte_from_hex_str(const std::string &value, uint8_t pos) {
if (value.length() < pos * 2 + 2)
return 0;
return (c_to_hex(value[pos * 2]) << 4) | c_to_hex(value[pos * 2 + 1]);
return modbus::helpers::byte_from_hex_str(value, pos);
}
/** Get a word from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return word value
*/
ESPDEPRECATED("Use modbus::helpers::word_from_hex_str() instead. Removed in 2026.10.0", "2026.4.0")
inline uint16_t word_from_hex_str(const std::string &value, uint8_t pos) {
return byte_from_hex_str(value, pos) << 8 | byte_from_hex_str(value, pos + 1);
return modbus::helpers::word_from_hex_str(value, pos);
}
/** Get a dword from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return dword value
*/
ESPDEPRECATED("Use modbus::helpers::dword_from_hex_str() instead. Removed in 2026.10.0", "2026.4.0")
inline uint32_t dword_from_hex_str(const std::string &value, uint8_t pos) {
return word_from_hex_str(value, pos) << 16 | word_from_hex_str(value, pos + 2);
return modbus::helpers::dword_from_hex_str(value, pos);
}
/** Get a qword from a hex string
* @param value string containing hex encoding
* @param position offset in bytes. Because each byte is encoded in 2 hex digits the position of the original byte in
* the hex string is byte_pos * 2
* @return qword value
*/
ESPDEPRECATED("Use modbus::helpers::qword_from_hex_str() instead. Removed in 2026.10.0", "2026.4.0")
inline uint64_t qword_from_hex_str(const std::string &value, uint8_t pos) {
return static_cast<uint64_t>(dword_from_hex_str(value, pos)) << 32 | dword_from_hex_str(value, pos + 4);
return modbus::helpers::qword_from_hex_str(value, pos);
}
// Extract data from modbus response buffer
@@ -585,7 +520,7 @@ inline float payload_to_float(const std::vector<uint8_t> &data, const SensorItem
int64_t number = payload_to_number(data, item.sensor_value_type, item.offset, item.bitmask);
float float_value;
if (value_type_is_float(item.sensor_value_type)) {
if (modbus::helpers::value_type_is_float(item.sensor_value_type)) {
float_value = bit_cast<float>(static_cast<uint32_t>(number));
} else {
float_value = static_cast<float>(number);
@@ -597,7 +532,7 @@ inline float payload_to_float(const std::vector<uint8_t> &data, const SensorItem
inline std::vector<uint16_t> float_to_payload(float value, SensorValueType value_type) {
int64_t val;
if (value_type_is_float(value_type)) {
if (modbus::helpers::value_type_is_float(value_type)) {
val = bit_cast<uint32_t>(value);
} else {
val = llroundf(value);
esphome/components/modbus_controller/number/__init__.py
+4 -2
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@@ -1,5 +1,9 @@
import esphome.codegen as cg
from esphome.components import number
from esphome.components.modbus.helpers import (
MODBUS_WRITE_REGISTER_TYPE,
SENSOR_VALUE_TYPE,
)
import esphome.config_validation as cv
from esphome.const import (
CONF_ADDRESS,
@@ -11,8 +15,6 @@ from esphome.const import (
)
from .. import (
MODBUS_WRITE_REGISTER_TYPE,
SENSOR_VALUE_TYPE,
ModbusItemBaseSchema,
SensorItem,
add_modbus_base_properties,
esphome/components/modbus_controller/output/__init__.py
+1 -1
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@@ -1,10 +1,10 @@
import esphome.codegen as cg
from esphome.components import output
from esphome.components.modbus.helpers import SENSOR_VALUE_TYPE
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID, CONF_MULTIPLY
from .. import (
SENSOR_VALUE_TYPE,
ModbusItemBaseSchema,
SensorItem,
modbus_calc_properties,
esphome/components/modbus_controller/select/__init__.py
+2 -7
View File
@@ -1,15 +1,10 @@
import esphome.codegen as cg
from esphome.components import select
from esphome.components.modbus.helpers import SENSOR_VALUE_TYPE, TYPE_REGISTER_MAP
import esphome.config_validation as cv
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 .. import ModbusController, SensorItem, modbus_controller_ns
from ..const import (
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
esphome/components/modbus_controller/sensor/__init__.py
+1 -2
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@@ -1,11 +1,10 @@
import esphome.codegen as cg
from esphome.components import sensor
from esphome.components.modbus.helpers import MODBUS_REGISTER_TYPE, SENSOR_VALUE_TYPE
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID
from .. import (
MODBUS_REGISTER_TYPE,
SENSOR_VALUE_TYPE,
ModbusItemBaseSchema,
SensorItem,
add_modbus_base_properties,
esphome/components/modbus_controller/switch/__init__.py
+1 -1
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@@ -1,10 +1,10 @@
import esphome.codegen as cg
from esphome.components import switch
from esphome.components.modbus.helpers import MODBUS_REGISTER_TYPE
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ASSUMED_STATE, CONF_ID
from .. import (
MODBUS_REGISTER_TYPE,
ModbusItemBaseSchema,
SensorItem,
add_modbus_base_properties,
esphome/components/modbus_controller/text_sensor/__init__.py
+1 -1
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@@ -1,10 +1,10 @@
import esphome.codegen as cg
from esphome.components import text_sensor
from esphome.components.modbus.helpers import MODBUS_REGISTER_TYPE
import esphome.config_validation as cv
from esphome.const import CONF_ADDRESS, CONF_ID
from .. import (
MODBUS_REGISTER_TYPE,
ModbusItemBaseSchema,
SensorItem,
add_modbus_base_properties,