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OpenDTU is extended by a Modbus server. The Modbus server serves TCP at port 502. At Modbus ID 1 the server mimicks the Modbus registers in the original DTUPro. At Modbus ID 125 the server serves a SunSpec compatible pseudo inverter that provides the OpenDTU aggregated data from all registered inverters. The OpenDTU Modbus sources were imspired by : https://github.com/ArekKubacki/OpenDTU. See tbnobody#582 for the orignal pull request. The Modbus library used for Modbus communication is: https://github.com/eModbus/eModbus. Documentation for the library is here: https://emodbus.github.io/. The library was choosen to achieve a lower memory footprint. fixes tbnobody#582 Signed-off-by: Bobby Noelte <b0661n0e17e@gmail.com>
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// SPDX-License-Identifier: GPL-2.0-or-later | ||
#pragma once | ||
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#include <TaskSchedulerDeclarations.h> | ||
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// eModbus | ||
#include "ModbusServerTCPasync.h" | ||
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class ModbusDtuClass { | ||
public: | ||
ModbusDtuClass(); | ||
void init(Scheduler& scheduler); | ||
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private: | ||
void loop(); | ||
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Task _loopTask; | ||
}; | ||
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ModbusMessage OpenDTUTotal(ModbusMessage request); | ||
ModbusMessage DTUPro(ModbusMessage request); | ||
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extern ModbusDtuClass ModbusDtu; | ||
extern ModbusServerTCPasync ModbusTCPServer; |
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// SPDX-License-Identifier: GPL-2.0-or-later | ||
#pragma once | ||
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class ModbusSettingsClass { | ||
public: | ||
ModbusSettingsClass(); | ||
void init(); | ||
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void performConfig(); | ||
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private: | ||
void startTCP(); | ||
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void stopTCP(); | ||
}; | ||
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extern ModbusSettingsClass ModbusSettings; |
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// SPDX-License-Identifier: GPL-2.0-or-later | ||
#pragma once | ||
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#include <ESPAsyncWebServer.h> | ||
#include <TaskSchedulerDeclarations.h> | ||
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class WebApiModbusClass { | ||
public: | ||
void init(AsyncWebServer& server, Scheduler& scheduler); | ||
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private: | ||
void onModbusStatus(AsyncWebServerRequest* request); | ||
void onModbusAdminGet(AsyncWebServerRequest* request); | ||
void onModbusAdminPost(AsyncWebServerRequest* request); | ||
}; |
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