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modbus_controller: bugfix: enable overriding calculated register size (#2845)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
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Martin 2021-12-02 03:45:11 +01:00 committed by GitHub
parent 1b88b7a166
commit 9ca4e8f32a
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4 changed files with 12 additions and 6 deletions
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5
esphome/components/modbus_controller/__init__.py
View file

@ -13,6 +13,7 @@ from .const import (
CONF_MODBUS_CONTROLLER_ID,
CONF_REGISTER_COUNT,
CONF_REGISTER_TYPE,
CONF_RESPONSE_SIZE,
CONF_SKIP_UPDATES,
CONF_VALUE_TYPE,
)
@ -125,6 +126,7 @@ ModbusItemBaseSchema = cv.Schema(
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_RESPONSE_SIZE, default=0): cv.positive_int,
},
)
@ -180,6 +182,9 @@ async def add_modbus_base_properties(
if CONF_CUSTOM_COMMAND in config:
cg.add(var.set_custom_data(config[CONF_CUSTOM_COMMAND]))
if config[CONF_RESPONSE_SIZE] > 0:
cg.add(var.set_register_size(config[CONF_RESPONSE_SIZE]))
if CONF_LAMBDA in config:
template_ = await cg.process_lambda(
config[CONF_LAMBDA],

8
esphome/components/modbus_controller/modbus_controller.h
View file

@ -254,16 +254,18 @@ class SensorItem {
size_t virtual get_register_size() const {
if (register_type == ModbusRegisterType::COIL || register_type == ModbusRegisterType::DISCRETE_INPUT)
return 1;
else
return register_count * 2;
else // if CONF_RESPONSE_BYTES is used override the default
return response_bytes > 0 ? response_bytes : register_count * 2;
}
// Override register size for modbus devices not using 1 register for one dword
void set_register_size(uint8_t register_size) { response_bytes = register_size; }
ModbusRegisterType register_type;
SensorValueType sensor_value_type;
uint16_t start_address;
uint32_t bitmask;
uint8_t offset;
uint8_t register_count;
uint8_t response_bytes{0};
uint8_t skip_updates;
std::vector<uint8_t> custom_data{};
bool force_new_range{false};

2
esphome/components/modbus_controller/text_sensor/modbus_textsensor.cpp
View file

@ -13,7 +13,7 @@ void ModbusTextSensor::dump_config() { LOG_TEXT_SENSOR("", "Modbus Controller Te
void ModbusTextSensor::parse_and_publish(const std::vector<uint8_t> &data) {
std::ostringstream output;
uint8_t max_items = this->response_bytes_;
uint8_t max_items = this->response_bytes;
char buffer[4];
bool add_comma = false;
for (auto b : data) {

3
esphome/components/modbus_controller/text_sensor/modbus_textsensor.h
View file

@ -17,7 +17,7 @@ class ModbusTextSensor : public Component, public text_sensor::TextSensor, publi
this->register_type = register_type;
this->start_address = start_address;
this->offset = offset;
this->response_bytes_ = response_bytes;
this->response_bytes = response_bytes;
this->register_count = register_count;
this->encode_ = encode;
this->skip_updates = skip_updates;
@ -38,7 +38,6 @@ class ModbusTextSensor : public Component, public text_sensor::TextSensor, publi
protected:
RawEncoding encode_;
uint16_t response_bytes_;
};
} // namespace modbus_controller