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added mpp solar BMS binding
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‎bms-mppsolar-modbus/.gitignore

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/target/
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/.classpath
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/.project
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/.settings/

‎bms-mppsolar-modbus/pom.xml

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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>com.ai-republic.bms-to-inverter</groupId>
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<artifactId>bms-to-inverter-parent</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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</parent>
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<artifactId>bms-mppsolar-modbus</artifactId>
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<name>${project.artifactId}-${project.version}</name>
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<description>Module for the MPP Solar BMS ModBus support</description>
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<properties>
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<encoding>UTF-8</encoding>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>com.ai-republic.bms-to-inverter</groupId>
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<artifactId>protocol-modbus</artifactId>
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<version>${project.version}</version>
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</dependency>
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</dependencies>
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</project>

‎bms-mppsolar-modbus/src/main/java/com/airepublic/bmstoinverter/bms/mppsolar/modbus/MppSolarBmsModbusDescriptor.java

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/**
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* This software is free to use and to distribute in its unchanged form for private use.
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* Commercial use is prohibited without an explicit license agreement of the copyright holder.
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* Any changes to this software must be made solely in the project repository at https://github.com/ai-republic/bms-to-inverter.
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* The copyright holder is not liable for any damages in whatever form that may occur by using this software.
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*
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* (c) Copyright 2022 and onwards - Torsten Oltmanns
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*
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* @author Torsten Oltmanns - bms-to-inverter''AT''gmail.com
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*/
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package com.airepublic.bmstoinverter.bms.mppsolar.modbus;
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import com.airepublic.bmstoinverter.core.BMS;
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import com.airepublic.bmstoinverter.core.BMSConfig;
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import com.airepublic.bmstoinverter.core.BMSDescriptor;
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import com.airepublic.bmstoinverter.core.Port;
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import com.airepublic.bmstoinverter.protocol.modbus.J2ModMasterPort;
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/**
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* The {@link BMSDescriptor} for the MPP Solar BMS using the Modbus protocol.
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*/
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public class MppSolarBmsModbusDescriptor implements BMSDescriptor {
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@Override
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public String getName() {
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return "MPPSOLAR_MODBUS";
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}
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@Override
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public int getDefaultBaudRate() {
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return 9600;
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}
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@Override
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public Class<? extends BMS> getBMSClass() {
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return MppSolarBmsModbusProcessor.class;
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}
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@Override
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public Port createPort(final BMSConfig config) {
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final Port port = new J2ModMasterPort(config.getPortLocator(), config.getBaudRate());
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return port;
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}
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}

‎bms-mppsolar-modbus/src/main/java/com/airepublic/bmstoinverter/bms/mppsolar/modbus/MppSolarBmsModbusProcessor.java

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/**
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* This software is free to use and to distribute in its unchanged form for private use.
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* Commercial use is prohibited without an explicit license agreement of the copyright holder.
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* Any changes to this software must be made solely in the project repository at https://github.com/ai-republic/bms-to-inverter.
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* The copyright holder is not liable for any damages in whatever form that may occur by using this software.
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*
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* (c) Copyright 2022 and onwards - Torsten Oltmanns
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*
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* @author Torsten Oltmanns - bms-to-inverter''AT''gmail.com
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*/
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package com.airepublic.bmstoinverter.bms.mppsolar.modbus;
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import java.io.IOException;
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import java.nio.ByteBuffer;
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import java.util.function.Consumer;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import com.airepublic.bmstoinverter.core.AlarmLevel;
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import com.airepublic.bmstoinverter.core.BMS;
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import com.airepublic.bmstoinverter.core.Port;
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import com.airepublic.bmstoinverter.core.bms.data.Alarm;
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import com.airepublic.bmstoinverter.core.bms.data.BatteryPack;
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import com.airepublic.bmstoinverter.core.util.BitUtil;
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import com.airepublic.bmstoinverter.protocol.modbus.ModbusUtil;
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import com.airepublic.bmstoinverter.protocol.modbus.ModbusUtil.RegisterCode;
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/**
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* The class to handle Modbus messages from a MPP Solar {@link BMS}.
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*/
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public class MppSolarBmsModbusProcessor extends BMS {
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private final static Logger LOG = LoggerFactory.getLogger(MppSolarBmsModbusProcessor.class);
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private final static int BATTERY_NO = 0;
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@Override
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protected void collectData(final Port port) {
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final int startRange = 0;
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try {
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sendMessage(port, RegisterCode.READ_HOLDING_REGISTERS, startRange + 0x0010, 36, getBmsId(), this::readBatteryStatus);
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} catch (final IOException e) {
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LOG.error("Error reading from modbus!", e);
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}
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}
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protected void sendMessage(final Port port, final RegisterCode functionCode, final int startAddress, final int numRegisters, final int unitId, final Consumer<ByteBuffer> handler) throws IOException {
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port.sendFrame(ModbusUtil.createRequestBuffer(functionCode, startAddress, numRegisters, unitId));
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handler.accept(port.receiveFrame());
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}
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// read battery status
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protected void readBatteryStatus(final ByteBuffer frame) {
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frame.getInt(); // functionCode
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frame.getInt(); // numRegisters
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frame.getInt(); // unitId
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final BatteryPack pack = getBatteryPack(BATTERY_NO);
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// no of cells
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pack.numberOfCells = frame.getChar();
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// cell voltages (0.1V)
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for (int i = 0; i < 20; i++) {
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pack.cellVmV[i] = frame.getChar() * 100;
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}
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pack.numOfTempSensors = frame.getChar();
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for (int i = 0; i < 20; i++) {
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pack.cellTemperature[i] = (int) (frame.getChar() / 10f - 273.15f);
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}
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// curernt (0.1A)
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pack.packCurrent = frame.getChar();
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if (pack.packCurrent == 0) {
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pack.packCurrent = frame.getChar();
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} else {
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frame.getChar();
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}
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// voltage (0.1V)
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pack.packVoltage = frame.getChar();
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// SOC (1%)
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pack.packSOC = frame.getChar();
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// rated capacity (1mAh)
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pack.ratedCapacitymAh = frame.getChar();
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}
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// read alarms
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protected void readAlarms(final ByteBuffer frame) {
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frame.getInt(); // functionCode
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frame.getInt(); // numRegisters
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frame.getInt(); // unitId
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final BatteryPack pack = getBatteryPack(BATTERY_NO);
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pack.alarms.clear();
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pack.packCurrent = frame.getShort() / 10;
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pack.ratedCapacitymAh = frame.getChar() * 10;
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pack.bmsCycles = frame.getChar();
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pack.packSOC = frame.getChar() / 10;
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pack.packSOH = frame.getChar() / 10;
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pack.numOfTempSensors = frame.getChar();
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char alarms = frame.getChar();
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byte highByte = (byte) (alarms >> 8);
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pack.alarms.put(Alarm.CELL_VOLTAGE_LOW, BitUtil.bit(highByte, 3) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(highByte, 4) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_CHARGE_BREAKER, BitUtil.bit(highByte, 5) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_DISCHARGE_BREAKER, BitUtil.bit(highByte, 6) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(highByte, 7) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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byte lowByte = (byte) (alarms & 0xFF);
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pack.alarms.put(Alarm.FAILURE_CLOCK_MODULE, BitUtil.bit(lowByte, 0) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 1) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 2) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 3) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 4) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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alarms = frame.getChar();
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highByte = (byte) (alarms >> 8);
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pack.alarms.put(Alarm.FAILURE_SENSOR_DISCHARGE_MODULE_TEMPERATURE, BitUtil.bit(highByte, 0) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_SENSOR_DISCHARGE_MODULE_TEMPERATURE, BitUtil.bit(highByte, 1) || pack.alarms.containsKey(Alarm.FAILURE_SENSOR_DISCHARGE_MODULE_TEMPERATURE) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_VOLTAGE_HIGH, BitUtil.bit(highByte, 2) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 3) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 4) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.FAILURE_OTHER, BitUtil.bit(lowByte, 5) || pack.alarms.containsKey(Alarm.FAILURE_OTHER) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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lowByte = (byte) (alarms & 0xFF);
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pack.chargeDischargeStatus = BitUtil.bit(lowByte, 0) ? 1 : BitUtil.bit(lowByte, 1) ? 2 : 0;
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pack.alarms.put(Alarm.FAILURE_SHORT_CIRCUIT_PROTECTION, BitUtil.bit(lowByte, 2) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_VOLTAGE_HIGH, BitUtil.bit(lowByte, 4) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_VOLTAGE_LOW, BitUtil.bit(lowByte, 5) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.CHARGE_TEMPERATURE_HIGH, BitUtil.bit(lowByte, 6) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.DISCHARGE_TEMPERATURE_HIGH, BitUtil.bit(lowByte, 7) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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alarms = frame.getChar();
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highByte = (byte) (alarms >> 8);
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pack.alarms.put(Alarm.PACK_TEMPERATURE_LOW, BitUtil.bit(highByte, 0) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_TEMPERATURE_HIGH, BitUtil.bit(highByte, 1) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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lowByte = (byte) (alarms & 0xFF);
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if (BitUtil.bit(lowByte, 0)) {
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pack.forceCharge = true;
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}
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if (BitUtil.bit(lowByte, 1)) {
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pack.forceCharge = false;
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}
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if (BitUtil.bit(lowByte, 2)) {
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pack.forceDischarge = true;
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}
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if (BitUtil.bit(lowByte, 3)) {
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pack.forceDischarge = false;
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}
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pack.alarms.put(Alarm.CHARGE_TEMPERATURE_HIGH, BitUtil.bit(lowByte, 5) || pack.alarms.containsKey(Alarm.CHARGE_TEMPERATURE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
166+
pack.alarms.put(Alarm.CHARGE_TEMPERATURE_LOW, BitUtil.bit(lowByte, 6) || pack.alarms.containsKey(Alarm.CHARGE_TEMPERATURE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.CHARGE_TEMPERATURE_LOW, BitUtil.bit(lowByte, 7) || pack.alarms.containsKey(Alarm.CHARGE_TEMPERATURE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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169+
alarms = frame.getChar();
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alarms = frame.getChar();
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highByte = (byte) (alarms >> 8);
172+
pack.alarms.put(Alarm.ENCASING_TEMPERATURE_HIGH, BitUtil.bit(highByte, 0) || pack.alarms.containsKey(Alarm.ENCASING_TEMPERATURE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.ENCASING_TEMPERATURE_LOW, BitUtil.bit(highByte, 1) || pack.alarms.containsKey(Alarm.ENCASING_TEMPERATURE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
174+
pack.alarms.put(Alarm.DISCHARGE_TEMPERATURE_HIGH, BitUtil.bit(highByte, 2) || pack.alarms.containsKey(Alarm.DISCHARGE_TEMPERATURE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
175+
pack.alarms.put(Alarm.SOC_LOW, BitUtil.bit(highByte, 3) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_VOLTAGE_HIGH, BitUtil.bit(highByte, 4) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.PACK_TEMPERATURE_HIGH, BitUtil.bit(highByte, 5) || pack.alarms.containsKey(Alarm.PACK_TEMPERATURE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
178+
pack.alarms.put(Alarm.DISCHARGE_TEMPERATURE_LOW, BitUtil.bit(highByte, 5) || pack.alarms.containsKey(Alarm.DISCHARGE_TEMPERATURE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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180+
lowByte = (byte) (alarms & 0xFF);
181+
pack.alarms.put(Alarm.CELL_VOLTAGE_HIGH, BitUtil.bit(lowByte, 0) ? AlarmLevel.WARNING : AlarmLevel.NONE);
182+
pack.alarms.put(Alarm.CELL_VOLTAGE_LOW, BitUtil.bit(lowByte, 1) ? AlarmLevel.WARNING : AlarmLevel.NONE);
183+
pack.alarms.put(Alarm.PACK_VOLTAGE_HIGH, BitUtil.bit(lowByte, 2) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
184+
pack.alarms.put(Alarm.PACK_VOLTAGE_LOW, BitUtil.bit(lowByte, 3) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.SOC_HIGH, BitUtil.bit(lowByte, 4) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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pack.alarms.put(Alarm.CHARGE_TEMPERATURE_HIGH, BitUtil.bit(lowByte, 6) || pack.alarms.containsKey(Alarm.CHARGE_TEMPERATURE_HIGH) ? AlarmLevel.WARNING : AlarmLevel.NONE);
188+
pack.alarms.put(Alarm.CHARGE_TEMPERATURE_LOW, BitUtil.bit(lowByte, 7) || pack.alarms.containsKey(Alarm.CHARGE_TEMPERATURE_LOW) ? AlarmLevel.WARNING : AlarmLevel.NONE);
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final char protection = frame.getChar();
191+
highByte = (byte) (protection >> 8);
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pack.alarms.put(Alarm.SOC_HIGH, BitUtil.bit(highByte, 0) || pack.alarms.containsKey(Alarm.SOC_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
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lowByte = (byte) (protection & 0xFF);
195+
pack.alarms.put(Alarm.CELL_VOLTAGE_HIGH, BitUtil.bit(lowByte, 0) || pack.alarms.containsKey(Alarm.CELL_VOLTAGE_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
196+
pack.alarms.put(Alarm.PACK_VOLTAGE_HIGH, BitUtil.bit(lowByte, 1) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
197+
pack.alarms.put(Alarm.CELL_VOLTAGE_LOW, BitUtil.bit(lowByte, 2) || pack.alarms.containsKey(Alarm.CELL_VOLTAGE_LOW) ? AlarmLevel.ALARM : AlarmLevel.NONE);
198+
pack.alarms.put(Alarm.PACK_VOLTAGE_LOW, BitUtil.bit(lowByte, 3) || pack.alarms.containsKey(Alarm.PACK_VOLTAGE_LOW) ? AlarmLevel.ALARM : AlarmLevel.NONE);
199+
pack.alarms.put(Alarm.CHARGE_CURRENT_HIGH, BitUtil.bit(lowByte, 4) || pack.alarms.containsKey(Alarm.CHARGE_CURRENT_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
200+
pack.alarms.put(Alarm.CHARGE_CURRENT_HIGH, BitUtil.bit(lowByte, 5) || pack.alarms.containsKey(Alarm.CHARGE_CURRENT_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
201+
pack.alarms.put(Alarm.DISCHARGE_CURRENT_HIGH, BitUtil.bit(lowByte, 6) || pack.alarms.containsKey(Alarm.DISCHARGE_CURRENT_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
202+
pack.alarms.put(Alarm.DISCHARGE_CURRENT_HIGH, BitUtil.bit(lowByte, 7) || pack.alarms.containsKey(Alarm.DISCHARGE_CURRENT_HIGH) ? AlarmLevel.ALARM : AlarmLevel.NONE);
203+
204+
frame.getInt();
205+
pack.moduleRatedCapacityAh = frame.getInt();
206+
}
207+
208+
}

‎bms-mppsolar-modbus/src/main/resources/META-INF/beans.xml

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<beans xmlns="https://jakarta.ee/xml/ns/jakartaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
2+
xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_4_0.xsd"
3+
bean-discovery-mode="all" version="4.0">
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5+
</beans>

‎bms-mppsolar-modbus/src/main/resources/META-INF/services/com.airepublic.bmstoinverter.core.BMSDescriptor

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com.airepublic.bmstoinverter.bms.mppsolar.modbus.MppSolarBmsModbusDescriptor

‎bms-mppsolar-modbus/src/test/java/com/airepublic/bmstoinverter/bms/mppsolar/modbus/MppSolarBmsModbusDescriptorTest.java

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1+
/**
2+
* This software is free to use and to distribute in its unchanged form for private use.
3+
* Commercial use is prohibited without an explicit license agreement of the copyright holder.
4+
* Any changes to this software must be made solely in the project repository at https://github.com/ai-republic/bms-to-inverter.
5+
* The copyright holder is not liable for any damages in whatever form that may occur by using this software.
6+
*
7+
* (c) Copyright 2022 and onwards - Torsten Oltmanns
8+
*
9+
* @author Torsten Oltmanns - bms-to-inverter''AT''gmail.com
10+
*/
11+
package com.airepublic.bmstoinverter.bms.mppsolar.modbus;
12+
13+
import org.junit.jupiter.api.Assertions;
14+
import org.junit.jupiter.api.Test;
15+
import org.mockito.Mockito;
16+
17+
import com.airepublic.bmstoinverter.core.BMSConfig;
18+
import com.airepublic.bmstoinverter.core.BMSDescriptor;
19+
import com.airepublic.bmstoinverter.protocol.modbus.J2ModMasterPort;
20+
21+
/**
22+
* The unit test for the Shoto BMS {@link BMSDescriptor}.
23+
*/
24+
public class MppSolarBmsModbusDescriptorTest {
25+
private final MppSolarBmsModbusDescriptor descriptor = new MppSolarBmsModbusDescriptor();
26+
27+
@Test
28+
public void getName() {
29+
Assertions.assertEquals("MPPSOLAR_MODBUS", descriptor.getName());
30+
}
31+
32+
33+
@Test
34+
public void getDefaultBaudRate() {
35+
Assertions.assertEquals(9600, descriptor.getDefaultBaudRate());
36+
}
37+
38+
39+
@Test
40+
public void getBMSClass() {
41+
Assertions.assertEquals(MppSolarBmsModbusProcessor.class, descriptor.getBMSClass());
42+
}
43+
44+
45+
@Test
46+
public void createPort() {
47+
final BMSConfig config = Mockito.mock(BMSConfig.class);
48+
Assertions.assertInstanceOf(J2ModMasterPort.class, descriptor.createPort(config));
49+
}
50+
51+
}

‎bms-to-inverter-main/pom.xml

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@@ -189,6 +189,13 @@
189189
<version>${project.version}</version>
190190
</dependency>
191191

192+
<!-- #################### MPP SOLAR (MODBUS) ################### -->
193+
<dependency>
194+
<groupId>com.ai-republic.bms-to-inverter</groupId>
195+
<artifactId>inverter-mppsolar-modbus</artifactId>
196+
<version>${project.version}</version>
197+
</dependency>
198+
192199
<!-- #################### NARADA (MODBUS) ################### -->
193200
<dependency>
194201
<groupId>com.ai-republic.bms-to-inverter</groupId>

‎configurator/pom.xml

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<version>${project.version}</version>
152152
</dependency>
153153

154+
<!-- #################### MPP SOLAR (MODBUS) ################### -->
155+
<dependency>
156+
<groupId>com.ai-republic.bms-to-inverter</groupId>
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<artifactId>inverter-mppsolar-modbus</artifactId>
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<version>${project.version}</version>
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</dependency>
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<!-- #################### NARADA (MODBUS) ################### -->
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<dependency>
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<groupId>com.ai-republic.bms-to-inverter</groupId>

‎pom.xml

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Original file line numberDiff line numberDiff line change
@@ -30,6 +30,7 @@
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<module>bms-jk-modbus</module>
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<module>bms-jk-rs485</module>
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<module>bms-lia-can</module>
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<module>bms-mppsolar-modbus</module>
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<module>bms-narada-modbus</module>
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<module>bms-pace-can</module>
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<module>bms-pylon-can</module>

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