50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
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// 文件名: src/modbus/modbus_master_poller.h
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#ifndef MODBUS_MASTER_POLLER_H
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#define MODBUS_MASTER_POLLER_H
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#include "protocol/iprotocol_adapter.h" // For UnifiedData and ReportDataCallback
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#include <boost/asio.hpp>
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#include <memory>
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#include <string>
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// 配置一个Modbus设备的连接和轮询参数
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struct ModbusDeviceConfig {
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std::string device_id; // 自定义设备ID，用于MQTT主题
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std::string ip_address;
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uint16_t port;
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uint8_t slave_id;
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uint16_t start_address;
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uint16_t quantity;
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int poll_interval_ms;
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};
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class ModbusMasterPoller : public std::enable_shared_from_this<ModbusMasterPoller> {
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public:
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ModbusMasterPoller(boost::asio::io_context& io_context,
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ModbusDeviceConfig config,
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ReportDataCallback report_cb);
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// 开始轮询器的工作 (连接和定时)
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void start();
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private:
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void do_connect();
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void do_poll();
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void do_write();
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void do_read_header();
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void do_read_pdu(std::size_t pdu_length);
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void on_error(const std::string& stage);
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boost::asio::io_context& m_io_context;
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boost::asio::ip::tcp::socket m_socket;
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boost::asio::steady_timer m_timer;
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ModbusDeviceConfig m_config;
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ReportDataCallback m_report_callback;
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std::vector<uint8_t> m_write_buffer;
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std::array<uint8_t, 260> m_read_buffer; // Max Modbus TCP frame size
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uint16_t m_transaction_id = 0;
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};
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#endif // MODBUS_MASTER_POLLER_H
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