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Modbus_controller: Add custom command. (#2680)

This commit is contained in:
Martin 2021-11-26 00:48:52 +01:00 committed by GitHub
parent e7827a6997
commit 17a37b1de9
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GPG Key ID: 4AEE18F83AFDEB23
13 changed files with 315 additions and 261 deletions
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111
esphome/components/modbus_controller/__init__.py
View File

@ -1,10 +1,20 @@
import binascii
import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import modbus
from esphome.const import CONF_ID, CONF_ADDRESS
from esphome.const import CONF_ADDRESS, CONF_ID, CONF_NAME, CONF_LAMBDA, CONF_OFFSET
from esphome.cpp_helpers import logging
from .const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_COMMAND_THROTTLE,
CONF_CUSTOM_COMMAND,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
CONF_REGISTER_TYPE,
CONF_SKIP_UPDATES,
CONF_VALUE_TYPE,
)
CODEOWNERS = ["@martgras"]
@ -37,6 +47,7 @@ MODBUS_FUNCTION_CODE = {
ModbusRegisterType_ns = modbus_controller_ns.namespace("ModbusRegisterType")
ModbusRegisterType = ModbusRegisterType_ns.enum("ModbusRegisterType")
MODBUS_REGISTER_TYPE = {
"custom": ModbusRegisterType.CUSTOM,
"coil": ModbusRegisterType.COIL,
"discrete_input": ModbusRegisterType.DISCRETE_INPUT,
"holding": ModbusRegisterType.HOLDING,
@ -95,6 +106,96 @@ CONFIG_SCHEMA = cv.All(
)
ModbusItemBaseSchema = cv.Schema(
{
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Optional(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_CUSTOM_COMMAND): cv.ensure_list(cv.hex_uint8_t),
cv.Exclusive(
CONF_OFFSET,
"offset",
f"{CONF_OFFSET} and {CONF_BYTE_OFFSET} can't be used together",
): cv.positive_int,
cv.Exclusive(
CONF_BYTE_OFFSET,
"offset",
f"{CONF_OFFSET} and {CONF_BYTE_OFFSET} can't be used together",
): cv.positive_int,
cv.Optional(CONF_BITMASK, default=0xFFFFFFFF): cv.hex_uint32_t,
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
},
)
def validate_modbus_register(config):
if CONF_CUSTOM_COMMAND not in config and CONF_ADDRESS not in config:
raise cv.Invalid(
f" {CONF_ADDRESS} is a required property if '{CONF_CUSTOM_COMMAND}:' isn't used"
)
if CONF_CUSTOM_COMMAND in config and CONF_REGISTER_TYPE in config:
raise cv.Invalid(
f"can't use '{CONF_REGISTER_TYPE}:' together with '{CONF_CUSTOM_COMMAND}:'",
)
if CONF_CUSTOM_COMMAND not in config and CONF_REGISTER_TYPE not in config:
raise cv.Invalid(
f" {CONF_REGISTER_TYPE} is a required property if '{CONF_CUSTOM_COMMAND}:' isn't used"
)
return config
def modbus_calc_properties(config):
byte_offset = 0
reg_count = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
if CONF_REGISTER_COUNT in config:
reg_count = config[CONF_REGISTER_COUNT]
if CONF_VALUE_TYPE in config:
value_type = config[CONF_VALUE_TYPE]
if reg_count == 0:
reg_count = TYPE_REGISTER_MAP[value_type]
if CONF_CUSTOM_COMMAND in config:
if CONF_ADDRESS not in config:
# generate a unique modbus address using the hash of the name
# CONF_NAME set even if only CONF_ID is used.
# a modbus register address is required to add the item to sensormap
value = config[CONF_NAME]
if isinstance(value, str):
value = value.encode()
config[CONF_ADDRESS] = binascii.crc_hqx(value, 0)
config[CONF_REGISTER_TYPE] = ModbusRegisterType.CUSTOM
config[CONF_FORCE_NEW_RANGE] = True
return byte_offset, reg_count
async def add_modbus_base_properties(
var, config, sensor_type, lamdba_param_type=cg.float_, lamdba_return_type=float
):
if CONF_CUSTOM_COMMAND in config:
cg.add(var.set_custom_data(config[CONF_CUSTOM_COMMAND]))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(sensor_type.operator("ptr"), "item"),
(lamdba_param_type, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
],
return_type=cg.optional.template(lamdba_return_type),
)
cg.add(var.set_template(template_))
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID], config[CONF_COMMAND_THROTTLE])
cg.add(var.set_command_throttle(config[CONF_COMMAND_THROTTLE]))
@ -119,11 +220,3 @@ def function_code_to_register(function_code):
"write_multiple_registers": ModbusRegisterType.HOLDING,
}
return FUNCTION_CODE_TYPE_MAP[function_code]
def find_by_value(dict, find_value):
for (key, value) in MODBUS_REGISTER_TYPE.items():
print(find_value, value)
if find_value == value:
return key
return "not found"

49
esphome/components/modbus_controller/binary_sensor/__init__.py
View File

@ -2,16 +2,18 @@ from esphome.components import binary_sensor
import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import CONF_ADDRESS, CONF_ID, CONF_LAMBDA, CONF_OFFSET
from esphome.const import CONF_ADDRESS, CONF_ID
from .. import (
SensorItem,
add_modbus_base_properties,
modbus_controller_ns,
ModbusController,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
MODBUS_REGISTER_TYPE,
)
from ..const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_TYPE,
@ -27,30 +29,20 @@ ModbusBinarySensor = modbus_controller_ns.class_(
)
CONFIG_SCHEMA = cv.All(
binary_sensor.BINARY_SENSOR_SCHEMA.extend(
binary_sensor.BINARY_SENSOR_SCHEMA.extend(cv.COMPONENT_SCHEMA)
.extend(ModbusItemBaseSchema)
.extend(
{
cv.GenerateID(): cv.declare_id(ModbusBinarySensor),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Required(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_BITMASK, default=0x1): cv.hex_uint32_t,
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
}
).extend(cv.COMPONENT_SCHEMA),
),
validate_modbus_register,
)
async def to_code(config):
byte_offset = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
byte_offset, _ = modbus_calc_properties(config)
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_REGISTER_TYPE],
@ -65,17 +57,4 @@ async def to_code(config):
paren = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(paren.add_sensor_item(var))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(ModbusBinarySensor.operator("ptr"), "item"),
(cg.float_, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
],
return_type=cg.optional.template(bool),
)
cg.add(var.set_template(template_))
await add_modbus_base_properties(var, config, ModbusBinarySensor, cg.float_, bool)

1
esphome/components/modbus_controller/const.py
View File

@ -1,6 +1,7 @@
CONF_BITMASK = "bitmask"
CONF_BYTE_OFFSET = "byte_offset"
CONF_COMMAND_THROTTLE = "command_throttle"
CONF_CUSTOM_COMMAND = "custom_command"
CONF_FORCE_NEW_RANGE = "force_new_range"
CONF_MODBUS_CONTROLLER_ID = "modbus_controller_id"
CONF_MODBUS_FUNCTIONCODE = "modbus_functioncode"

59
esphome/components/modbus_controller/modbus_controller.cpp
View File

@ -28,7 +28,10 @@ bool ModbusController::send_next_command_() {
command->register_address, command->register_count);
command->send();
this->last_command_timestamp_ = millis();
if (!command->on_data_func) { // No handler remove from queue directly after sending
// remove from queue if no handler is defined or command was sent too often
if (!command->on_data_func || command->send_countdown < 1) {
ESP_LOGD(TAG, "Modbus command to device=%d register=0x%02X countdown=%d removed from queue after send",
this->address_, command->register_address, command->send_countdown);
command_queue_.pop_front();
}
}
@ -69,24 +72,30 @@ void ModbusController::on_modbus_error(uint8_t function_code, uint8_t exception_
}
}
void ModbusController::on_register_data(ModbusRegisterType register_type, uint16_t start_address,
const std::vector<uint8_t> &data) {
ESP_LOGV(TAG, "data for register address : 0x%X : ", start_address);
std::map<uint64_t, SensorItem *>::iterator ModbusController::find_register_(ModbusRegisterType register_type,
uint16_t start_address) {
auto vec_it = find_if(begin(register_ranges_), end(register_ranges_), [=](RegisterRange const &r) {
return (r.start_address == start_address && r.register_type == register_type);
});
if (vec_it == register_ranges_.end()) {
ESP_LOGE(TAG, "Handle incoming data : No matching range for sensor found - start_address : 0x%X", start_address);
return;
}
auto map_it = sensormap_.find(vec_it->first_sensorkey);
if (map_it == sensormap_.end()) {
ESP_LOGE(TAG, "Handle incoming data : No sensor found in at start_address : 0x%X (0x%llX)", start_address,
vec_it->first_sensorkey);
return;
ESP_LOGE(TAG, "No matching range for sensor found - start_address : 0x%X", start_address);
} else {
auto map_it = sensormap_.find(vec_it->first_sensorkey);
if (map_it == sensormap_.end()) {
ESP_LOGE(TAG, "No sensor found in at start_address : 0x%X (0x%llX)", start_address, vec_it->first_sensorkey);
} else {
return sensormap_.find(vec_it->first_sensorkey);
}
}
// not found
return std::end(sensormap_);
}
void ModbusController::on_register_data(ModbusRegisterType register_type, uint16_t start_address,
const std::vector<uint8_t> &data) {
ESP_LOGV(TAG, "data for register address : 0x%X : ", start_address);
auto map_it = find_register_(register_type, start_address);
// loop through all sensors with the same start address
while (map_it != sensormap_.end() && map_it->second->start_address == start_address) {
if (map_it->second->register_type == register_type) {
@ -116,9 +125,23 @@ void ModbusController::update_range_(RegisterRange &r) {
ESP_LOGV(TAG, "Range : %X Size: %x (%d) skip: %d", r.start_address, r.register_count, (int) r.register_type,
r.skip_updates_counter);
if (r.skip_updates_counter == 0) {
ModbusCommandItem command_item =
ModbusCommandItem::create_read_command(this, r.register_type, r.start_address, r.register_count);
queue_command(command_item);
// if a custom command is used the user supplied custom_data is only available in the SensorItem.
if (r.register_type == ModbusRegisterType::CUSTOM) {
auto it = this->find_register_(r.register_type, r.start_address);
if (it != sensormap_.end()) {
auto command_item = ModbusCommandItem::create_custom_command(
this, it->second->custom_data,
[this](ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data) {
this->on_register_data(ModbusRegisterType::CUSTOM, start_address, data);
});
command_item.register_address = it->second->start_address;
command_item.register_count = it->second->register_count;
command_item.function_code = ModbusFunctionCode::CUSTOM;
queue_command(command_item);
}
} else {
queue_command(ModbusCommandItem::create_read_command(this, r.register_type, r.start_address, r.register_count));
}
r.skip_updates_counter = r.skip_updates; // reset counter to config value
} else {
r.skip_updates_counter--;
@ -422,6 +445,7 @@ bool ModbusCommandItem::send() {
modbusdevice->send_raw(this->payload);
}
ESP_LOGV(TAG, "Command sent %d 0x%X %d", uint8_t(this->function_code), this->register_address, this->register_count);
send_countdown--;
return true;
}
@ -549,6 +573,9 @@ float payload_to_float(const std::vector<uint8_t> &data, SensorValueType sensor_
ESP_LOGD(TAG, "FP32_R = 0x%08X => %f", raw_to_float.raw, raw_to_float.float_value);
result = raw_to_float.float_value;
} break;
case SensorValueType::RAW:
result = NAN;
break;
default:
break;
}

33
esphome/components/modbus_controller/modbus_controller.h
View File

@ -247,18 +247,11 @@ float payload_to_float(const std::vector<uint8_t> &data, SensorValueType sensor_
class ModbusController;
struct SensorItem {
ModbusRegisterType register_type;
SensorValueType sensor_value_type;
uint16_t start_address;
uint32_t bitmask;
uint8_t offset;
uint8_t register_count;
uint8_t skip_updates;
bool force_new_range{false};
class SensorItem {
public:
virtual void parse_and_publish(const std::vector<uint8_t> &data) = 0;
void set_custom_data(const std::vector<uint8_t> &data) { custom_data = data; }
uint64_t getkey() const { return calc_key(register_type, start_address, offset, bitmask); }
size_t virtual get_register_size() const {
if (register_type == ModbusRegisterType::COIL || register_type == ModbusRegisterType::DISCRETE_INPUT)
@ -266,10 +259,22 @@ struct SensorItem {
else
return register_count * 2;
}
ModbusRegisterType register_type;
SensorValueType sensor_value_type;
uint16_t start_address;
uint32_t bitmask;
uint8_t offset;
uint8_t register_count;
uint8_t skip_updates;
std::vector<uint8_t> custom_data{};
bool force_new_range{false};
};
struct ModbusCommandItem {
class ModbusCommandItem {
public:
static const size_t MAX_PAYLOAD_BYTES = 240;
static const uint8_t MAX_SEND_REPEATS = 5;
ModbusController *modbusdevice;
uint16_t register_address;
uint16_t register_count;
@ -279,7 +284,9 @@ struct ModbusCommandItem {
on_data_func;
std::vector<uint8_t> payload = {};
bool send();
// wrong commands (esp. custom commands) can block the send queue
// limit the number of repeats
uint8_t send_countdown{MAX_SEND_REPEATS};
/// factory methods
/** Create modbus read command
* Function code 02-04
@ -392,6 +399,8 @@ class ModbusController : public PollingComponent, public modbus::ModbusDevice {
protected:
/// parse sensormap_ and create range of sequential addresses
size_t create_register_ranges_();
// find register in sensormap. Returns iterator with all registers having the same start address
std::map<uint64_t, SensorItem *>::iterator find_register_(ModbusRegisterType register_type, uint16_t start_address);
/// submit the read command for the address range to the send queue
void update_range_(RegisterRange &r);
/// parse incoming modbus data

64
esphome/components/modbus_controller/number/__init__.py
View File

@ -4,29 +4,26 @@ from esphome.components import number
from esphome.const import (
CONF_ADDRESS,
CONF_ID,
CONF_LAMBDA,
CONF_MAX_VALUE,
CONF_MIN_VALUE,
CONF_MULTIPLY,
CONF_OFFSET,
CONF_STEP,
)
from .. import (
add_modbus_base_properties,
modbus_controller_ns,
ModbusController,
SENSOR_VALUE_TYPE,
modbus_calc_properties,
ModbusItemBaseSchema,
SensorItem,
TYPE_REGISTER_MAP,
SENSOR_VALUE_TYPE,
)
from ..const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_CUSTOM_COMMAND,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
CONF_SKIP_UPDATES,
CONF_VALUE_TYPE,
CONF_WRITE_LAMBDA,
@ -51,22 +48,21 @@ def validate_min_max(config):
return config
def validate_modbus_number(config):
if CONF_CUSTOM_COMMAND not in config and CONF_ADDRESS not in config:
raise cv.Invalid(
f" {CONF_ADDRESS} is a required property if '{CONF_CUSTOM_COMMAND}:' isn't used"
)
return config
CONFIG_SCHEMA = cv.All(
number.NUMBER_SCHEMA.extend(
number.NUMBER_SCHEMA.extend(ModbusItemBaseSchema)
.extend(
{
cv.GenerateID(): cv.declare_id(ModbusNumber),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_BITMASK, default=0xFFFFFFFF): cv.hex_uint32_t,
cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(SENSOR_VALUE_TYPE),
cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
cv.GenerateID(): cv.declare_id(ModbusNumber),
# 24 bits are the maximum value for fp32 before precison is lost
# 0x00FFFFFF = 16777215
cv.Optional(CONF_MAX_VALUE, default=16777215.0): cv.float_,
@ -74,22 +70,15 @@ CONFIG_SCHEMA = cv.All(
cv.Optional(CONF_STEP, default=1): cv.positive_float,
cv.Optional(CONF_MULTIPLY, default=1.0): cv.float_,
}
).extend(cv.polling_component_schema("60s")),
)
.extend(cv.polling_component_schema("60s")),
validate_min_max,
validate_modbus_number,
)
async def to_code(config):
byte_offset = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
value_type = config[CONF_VALUE_TYPE]
reg_count = config[CONF_REGISTER_COUNT]
if reg_count == 0:
reg_count = TYPE_REGISTER_MAP[value_type]
byte_offset, reg_count = modbus_calc_properties(config)
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_ADDRESS],
@ -115,20 +104,7 @@ async def to_code(config):
cg.add(var.set_parent(parent))
cg.add(parent.add_sensor_item(var))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(ModbusNumber.operator("ptr"), "item"),
(cg.float_, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
],
return_type=cg.optional.template(float),
)
cg.add(var.set_template(template_))
await add_modbus_base_properties(var, config, ModbusNumber)
if CONF_WRITE_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_WRITE_LAMBDA],

33
esphome/components/modbus_controller/output/__init__.py
View File

@ -6,24 +6,21 @@ from esphome.const import (
CONF_ADDRESS,
CONF_ID,
CONF_MULTIPLY,
CONF_OFFSET,
)
from .. import (
SensorItem,
modbus_controller_ns,
ModbusController,
TYPE_REGISTER_MAP,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
)
from ..const import (
CONF_BYTE_OFFSET,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
CONF_VALUE_TYPE,
CONF_WRITE_LAMBDA,
)
from ..sensor import SENSOR_VALUE_TYPE
DEPENDENCIES = ["modbus_controller"]
CODEOWNERS = ["@martgras"]
@ -34,38 +31,24 @@ ModbusOutput = modbus_controller_ns.class_(
)
CONFIG_SCHEMA = cv.All(
output.FLOAT_OUTPUT_SCHEMA.extend(
output.FLOAT_OUTPUT_SCHEMA.extend(ModbusItemBaseSchema).extend(
{
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.GenerateID(): cv.declare_id(ModbusOutput),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(SENSOR_VALUE_TYPE),
cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
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 = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
value_type = config[CONF_VALUE_TYPE]
reg_count = config[CONF_REGISTER_COUNT]
if reg_count == 0:
reg_count = TYPE_REGISTER_MAP[value_type]
byte_offset, reg_count = modbus_calc_properties(config)
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_ADDRESS],
byte_offset,
value_type,
config[CONF_VALUE_TYPE],
reg_count,
)
await output.register_output(var, config)

55
esphome/components/modbus_controller/sensor/__init__.py
View File

@ -2,18 +2,19 @@ from esphome.components import sensor
import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import CONF_ID, CONF_ADDRESS, CONF_LAMBDA, CONF_OFFSET
from esphome.const import CONF_ID, CONF_ADDRESS
from .. import (
SensorItem,
add_modbus_base_properties,
modbus_controller_ns,
ModbusController,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
MODBUS_REGISTER_TYPE,
SENSOR_VALUE_TYPE,
TYPE_REGISTER_MAP,
)
from ..const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
@ -31,43 +32,30 @@ ModbusSensor = modbus_controller_ns.class_(
)
CONFIG_SCHEMA = cv.All(
sensor.SENSOR_SCHEMA.extend(
sensor.SENSOR_SCHEMA.extend(cv.COMPONENT_SCHEMA)
.extend(ModbusItemBaseSchema)
.extend(
{
cv.GenerateID(): cv.declare_id(ModbusSensor),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Required(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_BITMASK, default=0xFFFFFFFF): cv.hex_uint32_t,
cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Optional(CONF_VALUE_TYPE, default="U_WORD"): cv.enum(SENSOR_VALUE_TYPE),
cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
}
).extend(cv.COMPONENT_SCHEMA),
),
validate_modbus_register,
)
async def to_code(config):
byte_offset = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
byte_offset, reg_count = modbus_calc_properties(config)
value_type = config[CONF_VALUE_TYPE]
reg_count = config[CONF_REGISTER_COUNT]
if reg_count == 0:
reg_count = TYPE_REGISTER_MAP[value_type]
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_REGISTER_TYPE],
config[CONF_ADDRESS],
byte_offset,
config[CONF_BITMASK],
config[CONF_VALUE_TYPE],
value_type,
reg_count,
config[CONF_SKIP_UPDATES],
config[CONF_FORCE_NEW_RANGE],
@ -77,17 +65,4 @@ async def to_code(config):
paren = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(paren.add_sensor_item(var))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(ModbusSensor.operator("ptr"), "item"),
(cg.float_, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
],
return_type=cg.optional.template(float),
)
cg.add(var.set_template(template_))
await add_modbus_base_properties(var, config, ModbusSensor)

1
esphome/components/modbus_controller/sensor/modbus_sensor.h
View File

@ -25,6 +25,7 @@ class ModbusSensor : public Component, public sensor::Sensor, public SensorItem
void parse_and_publish(const std::vector<uint8_t> &data) override;
void dump_config() override;
using transform_func_t = std::function<optional<float>(ModbusSensor *, float, const std::vector<uint8_t> &)>;
void set_template(transform_func_t &&f) { this->transform_func_ = f; }
protected:

59
esphome/components/modbus_controller/switch/__init__.py
View File

@ -3,21 +3,25 @@ import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import CONF_ID, CONF_ADDRESS, CONF_LAMBDA, CONF_OFFSET
from esphome.const import CONF_ID, CONF_ADDRESS
from .. import (
MODBUS_REGISTER_TYPE,
SensorItem,
add_modbus_base_properties,
modbus_controller_ns,
ModbusController,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
MODBUS_REGISTER_TYPE,
)
from ..const import (
CONF_BITMASK,
CONF_BYTE_OFFSET,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_TYPE,
CONF_WRITE_LAMBDA,
)
CONF_USE_WRITE_MULTIPLE = "use_write_multiple"
DEPENDENCIES = ["modbus_controller"]
CODEOWNERS = ["@martgras"]
@ -26,31 +30,23 @@ ModbusSwitch = modbus_controller_ns.class_(
"ModbusSwitch", cg.Component, switch.Switch, SensorItem
)
CONFIG_SCHEMA = cv.All(
switch.SWITCH_SCHEMA.extend(
switch.SWITCH_SCHEMA.extend(cv.COMPONENT_SCHEMA)
.extend(ModbusItemBaseSchema)
.extend(
{
cv.GenerateID(): cv.declare_id(ModbusSwitch),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_BITMASK, default=0x1): cv.hex_uint32_t,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Optional(CONF_USE_WRITE_MULTIPLE, default=False): cv.boolean,
cv.Optional(CONF_WRITE_LAMBDA): cv.returning_lambda,
}
).extend(cv.COMPONENT_SCHEMA),
),
validate_modbus_register,
)
async def to_code(config):
byte_offset = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
byte_offset, _ = modbus_calc_properties(config)
var = cg.new_Pvariable(
config[CONF_ID],
config[CONF_REGISTER_TYPE],
@ -63,19 +59,18 @@ async def to_code(config):
await switch.register_switch(var, config)
paren = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(paren.add_sensor_item(var))
cg.add(var.set_parent(paren))
if CONF_LAMBDA in config:
publish_template_ = await cg.process_lambda(
config[CONF_LAMBDA],
cg.add(var.set_use_write_mutiple(config[CONF_USE_WRITE_MULTIPLE]))
cg.add(paren.add_sensor_item(var))
if CONF_WRITE_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_WRITE_LAMBDA],
[
(ModbusSwitch.operator("ptr"), "item"),
(bool, "x"),
(
cg.std_vector.template(cg.uint8).operator("const").operator("ref"),
"data",
),
(cg.bool_, "x"),
(cg.std_vector.template(cg.uint8).operator("ref"), "payload"),
],
return_type=cg.optional.template(bool),
)
cg.add(var.set_template(publish_template_))
cg.add(var.set_write_template(template_))
await add_modbus_base_properties(var, config, ModbusSwitch, bool, bool)

56
esphome/components/modbus_controller/switch/modbus_switch.cpp
View File

@ -45,22 +45,50 @@ void ModbusSwitch::parse_and_publish(const std::vector<uint8_t> &data) {
void ModbusSwitch::write_state(bool state) {
// This will be called every time the user requests a state change.
ModbusCommandItem cmd;
ESP_LOGV(TAG, "write_state '%s': new value = %s type = %d address = %X offset = %x", this->get_name().c_str(),
ONOFF(state), (int) this->register_type, this->start_address, this->offset);
switch (this->register_type) {
case ModbusRegisterType::COIL:
std::vector<uint8_t> data;
// Is there are lambda configured?
if (this->write_transform_func_.has_value()) {
// data is passed by reference
// the lambda can fill the empty vector directly
// in that case the return value is ignored
auto val = (*this->write_transform_func_)(this, state, data);
if (val.has_value()) {
ESP_LOGV(TAG, "Value overwritten by lambda");
state = val.value();
} else {
ESP_LOGV(TAG, "Communication handled by lambda - exiting control");
return;
}
}
if (!data.empty()) {
ESP_LOGV(TAG, "Modbus Switch write raw: %s", hexencode(data).c_str());
cmd = ModbusCommandItem::create_custom_command(
this->parent_, data,
[this, cmd](ModbusRegisterType register_type, uint16_t start_address, const std::vector<uint8_t> &data) {
this->parent_->on_write_register_response(cmd.register_type, this->start_address, data);
});
} else {
ESP_LOGV(TAG, "write_state '%s': new value = %s type = %d address = %X offset = %x", this->get_name().c_str(),
ONOFF(state), (int) this->register_type, this->start_address, this->offset);
if (this->register_type == ModbusRegisterType::COIL) {
// offset for coil and discrete inputs is the coil/register number not bytes
cmd = ModbusCommandItem::create_write_single_coil(parent_, this->start_address + this->offset, state);
break;
case ModbusRegisterType::DISCRETE_INPUT:
cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset, state);
break;
default:
if (this->use_write_multiple_) {
std::vector<bool> states{state};
cmd = ModbusCommandItem::create_write_multiple_coils(parent_, this->start_address + this->offset, states);
} else {
cmd = ModbusCommandItem::create_write_single_coil(parent_, this->start_address + this->offset, state);
}
} else {
// since offset is in bytes and a register is 16 bits we get the start by adding offset/2
cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2,
state ? 0xFFFF & this->bitmask : 0);
break;
if (this->use_write_multiple_) {
std::vector<uint16_t> bool_states(1, state ? (0xFFFF & this->bitmask) : 0);
cmd = ModbusCommandItem::create_write_multiple_command(parent_, this->start_address + this->offset / 2, 1,
bool_states);
} else {
cmd = ModbusCommandItem::create_write_single_command(parent_, this->start_address + this->offset / 2,
state ? 0xFFFF & this->bitmask : 0u);
}
}
}
this->parent_->queue_command(cmd);
publish_state(state);

5
esphome/components/modbus_controller/switch/modbus_switch.h
View File

@ -33,11 +33,16 @@ class ModbusSwitch : public Component, public switch_::Switch, public SensorItem
void set_parent(ModbusController *parent) { this->parent_ = parent; }
using transform_func_t = std::function<optional<bool>(ModbusSwitch *, bool, const std::vector<uint8_t> &)>;
using write_transform_func_t = std::function<optional<bool>(ModbusSwitch *, bool, std::vector<uint8_t> &)>;
void set_template(transform_func_t &&f) { this->publish_transform_func_ = f; }
void set_write_template(write_transform_func_t &&f) { this->write_transform_func_ = f; }
void set_use_write_mutiple(bool use_write_multiple) { this->use_write_multiple_ = use_write_multiple; }
protected:
ModbusController *parent_;
bool use_write_multiple_;
optional<transform_func_t> publish_transform_func_{nullopt};
optional<write_transform_func_t> write_transform_func_{nullopt};
};
} // namespace modbus_controller

50
esphome/components/modbus_controller/text_sensor/__init__.py
View File

@ -3,15 +3,17 @@ import esphome.config_validation as cv
import esphome.codegen as cg
from esphome.const import CONF_ID, CONF_ADDRESS, CONF_LAMBDA, CONF_OFFSET
from esphome.const import CONF_ADDRESS, CONF_ID
from .. import (
SensorItem,
add_modbus_base_properties,
modbus_controller_ns,
ModbusController,
modbus_calc_properties,
validate_modbus_register,
ModbusItemBaseSchema,
SensorItem,
MODBUS_REGISTER_TYPE,
)
from ..const import (
CONF_BYTE_OFFSET,
CONF_FORCE_NEW_RANGE,
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
@ -38,32 +40,23 @@ RAW_ENCODING = {
}
CONFIG_SCHEMA = cv.All(
text_sensor.TEXT_SENSOR_SCHEMA.extend(
text_sensor.TEXT_SENSOR_SCHEMA.extend(cv.COMPONENT_SCHEMA)
.extend(ModbusItemBaseSchema)
.extend(
{
cv.GenerateID(): cv.declare_id(ModbusTextSensor),
cv.GenerateID(CONF_MODBUS_CONTROLLER_ID): cv.use_id(ModbusController),
cv.Required(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Required(CONF_ADDRESS): cv.positive_int,
cv.Optional(CONF_OFFSET, default=0): cv.positive_int,
cv.Optional(CONF_BYTE_OFFSET): cv.positive_int,
cv.Optional(CONF_REGISTER_TYPE): cv.enum(MODBUS_REGISTER_TYPE),
cv.Optional(CONF_REGISTER_COUNT, default=0): cv.positive_int,
cv.Optional(CONF_RESPONSE_SIZE, default=2): cv.positive_int,
cv.Optional(CONF_RAW_ENCODE, default="NONE"): cv.enum(RAW_ENCODING),
cv.Optional(CONF_SKIP_UPDATES, default=0): cv.positive_int,
cv.Optional(CONF_FORCE_NEW_RANGE, default=False): cv.boolean,
cv.Optional(CONF_LAMBDA): cv.returning_lambda,
}
).extend(cv.COMPONENT_SCHEMA),
),
validate_modbus_register,
)
async def to_code(config):
byte_offset = 0
if CONF_OFFSET in config:
byte_offset = config[CONF_OFFSET]
# A CONF_BYTE_OFFSET setting overrides CONF_OFFSET
if CONF_BYTE_OFFSET in config:
byte_offset = config[CONF_BYTE_OFFSET]
byte_offset, reg_count = modbus_calc_properties(config)
response_size = config[CONF_RESPONSE_SIZE]
reg_count = config[CONF_REGISTER_COUNT]
if reg_count == 0:
@ -85,17 +78,6 @@ async def to_code(config):
paren = await cg.get_variable(config[CONF_MODBUS_CONTROLLER_ID])
cg.add(paren.add_sensor_item(var))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],
[
(ModbusTextSensor.operator("ptr"), "item"),
(cg.std_string.operator("const").operator("ref"), "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_))
await add_modbus_base_properties(
var, config, ModbusTextSensor, cg.std_string, cg.std_string
)