ESPHome
2024.10.2
esphome
esphome
components
modbus_controller
text_sensor
modbus_textsensor.cpp
Go to the documentation of this file.
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#include "
modbus_textsensor.h
"
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#include "
esphome/core/log.h
"
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#include <iomanip>
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#include <sstream>
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namespace
esphome
{
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namespace
modbus_controller {
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static
const
char
*
const
TAG =
"modbus_controller.text_sensor"
;
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void
ModbusTextSensor::dump_config
() { LOG_TEXT_SENSOR(
""
,
"Modbus Controller Text Sensor"
,
this
); }
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void
ModbusTextSensor::parse_and_publish
(
const
std::vector<uint8_t> &data) {
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std::ostringstream output;
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uint8_t items_left = this->
response_bytes
;
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uint8_t index = this->
offset
;
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char
buffer[5];
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while
((items_left > 0) && index < data.size()) {
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uint8_t b = data[index];
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switch
(this->
encode_
) {
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case
RawEncoding::HEXBYTES
:
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sprintf(buffer,
"%02x"
, b);
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output << buffer;
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break
;
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case
RawEncoding::COMMA
:
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sprintf(buffer, index != this->
offset
?
",%d"
:
"%d"
, b);
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output << buffer;
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break
;
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case
RawEncoding::ANSI
:
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if
(b < 0x20)
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break
;
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// FALLTHROUGH
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// Anything else no encoding
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default
:
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output << (char) b;
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break
;
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}
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items_left--;
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index++;
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}
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auto
result = output.str();
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// Is there a lambda registered
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// call it with the pre converted value and the raw data array
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if
(this->
transform_func_
.
has_value
()) {
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// the lambda can parse the response itself
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auto
val
= (*this->
transform_func_
)(
this
, result, data);
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if
(
val
.has_value()) {
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ESP_LOGV(TAG,
"Value overwritten by lambda"
);
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result =
val
.value();
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}
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}
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this->
publish_state
(result);
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}
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}
// namespace modbus_controller
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}
// namespace esphome
modbus_textsensor.h
esphome::modbus_controller::SensorItem::offset
uint8_t offset
Definition:
modbus_controller.h:247
esphome::modbus_controller::ModbusTextSensor::dump_config
void dump_config() override
Definition:
modbus_textsensor.cpp:12
esphome::modbus_controller::RawEncoding::HEXBYTES
val
mopeka_std_values val[4]
Definition:
mopeka_std_check.h:224
esphome::text_sensor::TextSensor::publish_state
void publish_state(const std::string &state)
Definition:
text_sensor.cpp:9
esphome::optional::has_value
bool has_value() const
Definition:
optional.h:87
esphome::modbus_controller::ModbusTextSensor::encode_
RawEncoding encode_
Definition:
modbus_textsensor.h:40
esphome::modbus_controller::RawEncoding::COMMA
esphome::modbus_controller::RawEncoding::ANSI
esphome::modbus_controller::SensorItem::response_bytes
uint8_t response_bytes
Definition:
modbus_controller.h:249
esphome::modbus_controller::ModbusTextSensor::parse_and_publish
void parse_and_publish(const std::vector< uint8_t > &data) override
Definition:
modbus_textsensor.cpp:14
esphome
Implementation of SPI Controller mode.
Definition:
a01nyub.cpp:7
esphome::modbus_controller::ModbusTextSensor::transform_func_
optional< transform_func_t > transform_func_
Definition:
modbus_textsensor.h:38
log.h
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