1ff2f3b6a3
Co-authored-by: Thomas Rupprecht <rupprecht.thomas@gmail.com> Co-authored-by: pre-commit-ci-lite[bot] <117423508+pre-commit-ci-lite[bot]@users.noreply.github.com> Co-authored-by: Jonathan Swoboda <154711427+swoboda1337@users.noreply.github.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
97 lines
3.4 KiB
C++
97 lines
3.4 KiB
C++
#pragma once
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#include "esphome/core/component.h"
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#include "esphome/core/defines.h"
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#include "esphome/core/log.h"
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#ifdef USE_SENSOR
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#include "esphome/components/sensor/sensor.h"
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#endif
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#ifdef USE_TEXT_SENSOR
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#include "esphome/components/text_sensor/text_sensor.h"
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#endif
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#include "esphome/components/uart/uart.h"
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#include "mbus.h"
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#include "dlms.h"
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#include "obis.h"
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#include <array>
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#include <vector>
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namespace esphome::dlms_meter {
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#ifndef DLMS_METER_SENSOR_LIST
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#define DLMS_METER_SENSOR_LIST(F, SEP)
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#endif
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#ifndef DLMS_METER_TEXT_SENSOR_LIST
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#define DLMS_METER_TEXT_SENSOR_LIST(F, SEP)
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#endif
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struct MeterData {
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float voltage_l1 = 0.0f; // Voltage L1
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float voltage_l2 = 0.0f; // Voltage L2
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float voltage_l3 = 0.0f; // Voltage L3
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float current_l1 = 0.0f; // Current L1
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float current_l2 = 0.0f; // Current L2
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float current_l3 = 0.0f; // Current L3
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float active_power_plus = 0.0f; // Active power taken from grid
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float active_power_minus = 0.0f; // Active power put into grid
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float active_energy_plus = 0.0f; // Active energy taken from grid
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float active_energy_minus = 0.0f; // Active energy put into grid
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float reactive_energy_plus = 0.0f; // Reactive energy taken from grid
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float reactive_energy_minus = 0.0f; // Reactive energy put into grid
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char timestamp[27]{}; // Text sensor for the timestamp value
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// Netz NOE
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float power_factor = 0.0f; // Power Factor
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char meternumber[13]{}; // Text sensor for the meterNumber value
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};
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// Provider constants
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enum Providers : uint32_t { PROVIDER_GENERIC = 0x00, PROVIDER_NETZNOE = 0x01 };
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class DlmsMeterComponent : public Component, public uart::UARTDevice {
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public:
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DlmsMeterComponent() = default;
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void dump_config() override;
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void loop() override;
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void set_decryption_key(const std::array<uint8_t, 16> &key) { this->decryption_key_ = key; }
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void set_provider(uint32_t provider) { this->provider_ = provider; }
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void publish_sensors(MeterData &data) {
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#define DLMS_METER_PUBLISH_SENSOR(s) \
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if (this->s##_sensor_ != nullptr) \
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s##_sensor_->publish_state(data.s);
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DLMS_METER_SENSOR_LIST(DLMS_METER_PUBLISH_SENSOR, )
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#define DLMS_METER_PUBLISH_TEXT_SENSOR(s) \
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if (this->s##_text_sensor_ != nullptr) \
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s##_text_sensor_->publish_state(data.s);
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DLMS_METER_TEXT_SENSOR_LIST(DLMS_METER_PUBLISH_TEXT_SENSOR, )
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}
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DLMS_METER_SENSOR_LIST(SUB_SENSOR, )
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DLMS_METER_TEXT_SENSOR_LIST(SUB_TEXT_SENSOR, )
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protected:
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bool parse_mbus_(std::vector<uint8_t> &mbus_payload);
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bool parse_dlms_(const std::vector<uint8_t> &mbus_payload, uint16_t &message_length, uint8_t &systitle_length,
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uint16_t &header_offset);
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bool decrypt_(std::vector<uint8_t> &mbus_payload, uint16_t message_length, uint8_t systitle_length,
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uint16_t header_offset);
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void decode_obis_(uint8_t *plaintext, uint16_t message_length);
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std::vector<uint8_t> receive_buffer_; // Stores the packet currently being received
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std::vector<uint8_t> mbus_payload_; // Parsed M-Bus payload, reused to avoid heap churn
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uint32_t last_read_ = 0; // Timestamp when data was last read
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uint32_t read_timeout_ = 1000; // Time to wait after last byte before considering data complete
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uint32_t provider_ = PROVIDER_GENERIC; // Provider of the meter / your grid operator
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std::array<uint8_t, 16> decryption_key_;
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};
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} // namespace esphome::dlms_meter
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