65 lines
2.7 KiB
Java
65 lines
2.7 KiB
Java
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package com.isu.gaswellwatch;
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import com.serotonin.modbus4j.code.FunctionCode;
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import com.serotonin.modbus4j.msg.*;
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import com.serotonin.modbus4j.serial.rtu.RtuMessageParser;
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import com.serotonin.modbus4j.serial.rtu.RtuMessageResponse;
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import com.serotonin.modbus4j.sero.util.queue.ByteQueue;
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import org.apache.commons.lang3.StringUtils;
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import java.util.HashMap;
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import java.util.Map;
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public class ModbusTest {
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public static void main(String[] args) throws Exception {
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test();
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}
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public static void test() throws Exception {
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// "01 03 40 0000 0960 0000 0258 0000 0258 0000 0064 000299A0 0000012C0000012C0000012C0000070800002A3000000E1000007E900000000A0000000A0000000A0000000044D0"
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String collectionMessage = "01034000000960000002580000025800000064000299A00000012C0000012C0000012C0000070800002A3000000E1000007E900000000A0000000A0000000A0000000044D0";
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ByteQueue byteQueue = new ByteQueue(collectionMessage);
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RtuMessageParser masterParser = new RtuMessageParser(true);
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RtuMessageResponse response = (RtuMessageResponse) masterParser.parseMessage(byteQueue);
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ModbusResponse modbusResponse = response.getModbusResponse();
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short[] values = null;
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switch (modbusResponse.getFunctionCode()) {
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case FunctionCode.READ_COILS -> {
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values = ((ReadCoilsResponse) modbusResponse).getShortData();
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}
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case FunctionCode.READ_DISCRETE_INPUTS -> {
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values = ((ReadDiscreteInputsResponse) modbusResponse).getShortData();
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}
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case FunctionCode.READ_INPUT_REGISTERS -> {
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values = ((ReadInputRegistersResponse) modbusResponse).getShortData();
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}
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case FunctionCode.READ_HOLDING_REGISTERS -> {
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values = ((ReadHoldingRegistersResponse) modbusResponse).getShortData();
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}
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case FunctionCode.READ_EXCEPTION_STATUS -> {
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values = new short[]{((ReadExceptionStatusResponse) modbusResponse).getExceptionStatus()};
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}
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default -> {
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throw new RuntimeException("Funcetion code not supported: " + modbusResponse.getFunctionCode());
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}
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}
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String address;
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int startAddress = 150, index = 0, stepSize = 0;
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Map<String, Object> messagePointMap = new HashMap<>();
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for (short value : values) {
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stepSize = index * 4;
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address = StringUtils.leftPad(String.valueOf(startAddress), 4, '0');
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System.out.println(address + ": " +
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StringUtils.substring(collectionMessage, 6 + stepSize, 10 + stepSize) +
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" -> " + String.valueOf(value));
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startAddress++;
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index++;
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}
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System.out.println();
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}
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}
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