84a0668c54
Complete IoT monitoring platform for Acuvim II power meters via ESP32. Firmware (Phases 1-7): - ESP32-WROVER-B (TTGO T-Call v1.4) with RS485 Modbus RTU - WiFi STA+AP concurrent mode with GSM/GPRS failover - Transport abstraction layer with 4 priority modes - MQTT protocol with 20 commands, LWT, QoS, exponential backoff - SD card offline buffering with JSONL rotation and non-blocking drain - OTA firmware updates with dual partition rollback protection - Watchdog timer, crash loop detection, Acuvim health monitoring - Captive portal provisioning with AP mode Console backend (Phase 8): - .NET 10 minimal API with PostgreSQL + EF Core - JWT authentication, SignalR real-time updates - MQTTnet 5.x bridge service with health monitoring - Device, telemetry, firmware, alert, group management - Rate limiting, security headers, Swagger/OpenAPI Frontend (Phase 9): - React 18 + TypeScript + Vite with Ant Design 5 - ECharts telemetry visualization, TanStack Query - SignalR live updates, device management UI - Dashboard, fleet management, firmware deployment Testing & Production (Phase 10): - 28 firmware unit tests (Modbus, JSON, config, version) - 23 xUnit backend tests (device, telemetry, command, alert) - Docker Compose with nginx, TLS MQTT, PostgreSQL - Production deployment, commissioning, and troubleshooting docs Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
#ifndef MQTT_CLIENT_H
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#define MQTT_CLIENT_H
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#include <Arduino.h>
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#include <PubSubClient.h>
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#include <functional>
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#include "acuvim_registers.h"
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#include "config_manager.h"
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#define MQTT_BUFFER_SIZE 1024
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#define MQTT_RECONNECT_BASE_MS 10000
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#define MQTT_RECONNECT_MAX_MS 60000
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class MqttClient {
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public:
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void begin(Client& networkClient);
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void setConfig(const DeviceConfig& config);
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bool connect();
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void disconnect();
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bool isConnected();
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void loop();
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bool publishTelemetry(const AcuvimData& data, const char* connType, int signal,
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const char* operatorName = nullptr);
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bool publishResponse(const char* requestId, const char* payload);
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bool publish(const char* topic, const char* payload, bool retain = false);
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bool publishBuffered(const char* payload);
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void onCommand(std::function<void(const String& topic, const String& payload)> callback) {
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_commandCallback = callback;
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}
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const char* getDeviceId() const { return _deviceId; }
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private:
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PubSubClient _client;
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char _deviceId[32];
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char _broker[128];
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uint16_t _port;
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char _username[64];
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char _password[64];
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char _topicPrefix[64];
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char _topicTelemetry[128];
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char _topicHeartbeat[128];
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char _topicCmd[128];
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char _topicResp[128];
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char _topicStatus[128];
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std::function<void(const String& topic, const String& payload)> _commandCallback;
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unsigned long _lastReconnectAttemptMs;
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unsigned long _reconnectIntervalMs;
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void buildTopics();
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bool subscribeToCommands();
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void publishOnlineStatus();
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String buildLwtPayload();
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static MqttClient* _instance;
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static void mqttCallbackStatic(char* topic, byte* payload, unsigned int length);
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void mqttCallback(char* topic, byte* payload, unsigned int length);
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uint32_t getEpochTime();
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};
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#endif
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