mirror of https://github.com/esphome/esphome.git
57 lines
1.7 KiB
C++
57 lines
1.7 KiB
C++
#include <vector>
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#include "modbus_output.h"
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#include "esphome/core/log.h"
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namespace esphome {
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namespace modbus_controller {
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static const char *const TAG = "modbus_controller.output";
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void ModbusOutput::setup() {}
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/** Write a value to the device
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*
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*/
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void ModbusOutput::write_state(float value) {
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std::vector<uint16_t> data;
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auto original_value = value;
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// Is there are lambda configured?
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if (this->write_transform_func_.has_value()) {
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// data is passed by reference
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// the lambda can fill the empty vector directly
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// in that case the return value is ignored
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auto val = (*this->write_transform_func_)(this, value, data);
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if (val.has_value()) {
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ESP_LOGV(TAG, "Value overwritten by lambda");
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value = val.value();
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} else {
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ESP_LOGV(TAG, "Communication handled by lambda - exiting control");
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return;
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}
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} else {
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value = multiply_by_ * value;
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}
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// lambda didn't set payload
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if (data.empty()) {
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data = float_to_payload(value, this->sensor_value_type);
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}
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ESP_LOGD(TAG, "Updating register: start address=0x%X register count=%d new value=%.02f (val=%.02f)",
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this->start_address, this->register_count, value, original_value);
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// Create and send the write command
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auto write_cmd =
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ModbusCommandItem::create_write_multiple_command(parent_, this->start_address, this->register_count, data);
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parent_->queue_command(write_cmd);
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}
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void ModbusOutput::dump_config() {
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ESP_LOGCONFIG(TAG, "Modbus Float Output:");
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LOG_FLOAT_OUTPUT(this);
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ESP_LOGCONFIG(TAG, "Modbus device start address=0x%X register count=%d value type=%hhu", this->start_address,
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this->register_count, this->sensor_value_type);
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}
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} // namespace modbus_controller
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} // namespace esphome
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