use of com.ghgande.j2mod.modbus.msg.ReadInputRegistersRequest in project SmartApplianceEnabler by camueller.
the class ReadInputRegisterExecutor method execute.
@Override
public void execute(TCPMasterConnection con, int slaveAddress) throws ModbusException {
ReadInputRegistersRequest req = new ReadInputRegistersRequest(Integer.parseInt(registerAddress, 16), 2);
req.setUnitID(slaveAddress);
ModbusTCPTransaction trans = new ModbusTCPTransaction(con);
trans.setRequest(req);
trans.execute();
ReadInputRegistersResponse res = (ReadInputRegistersResponse) trans.getResponse();
if (res != null) {
registerValue = Float.intBitsToFloat(res.getRegisterValue(0) << 16 | res.getRegisterValue(1));
logger.debug("{}: Input register={} value={}", applianceId, registerAddress, registerValue);
} else {
logger.error("{}: No response received.", applianceId);
}
}
use of com.ghgande.j2mod.modbus.msg.ReadInputRegistersRequest in project openems by OpenEMS.
the class ModbusBridge method queryInputRegisters.
/**
* Executes a query on the Modbus client
*
* @param modbusUnitId
* @param address
* @param count
* @return
* @throws OpenemsModbusException
*/
private InputRegister[] queryInputRegisters(int modbusUnitId, int address, int count) throws OpenemsModbusException {
ModbusTransaction trans = getTransaction();
ReadInputRegistersRequest req = new ReadInputRegistersRequest(address, count);
req.setUnitID(modbusUnitId);
trans.setRequest(req);
try {
trans.execute();
} catch (ModbusException e) {
// try again with new connection
closeModbusConnection();
trans = getTransaction();
req = new ReadInputRegistersRequest(address, count);
req.setUnitID(modbusUnitId);
trans.setRequest(req);
try {
trans.execute();
} catch (ModbusException e1) {
throw new OpenemsModbusException(//
"Error on modbus query. " + "UnitId [" + modbusUnitId + "], Address [" + address + "/0x" + Integer.toHexString(address) + "], Count [" + count + "]: " + e1.getMessage());
}
}
ModbusResponse res = trans.getResponse();
if (res instanceof ReadInputRegistersResponse) {
ReadInputRegistersResponse mres = (ReadInputRegistersResponse) res;
return mres.getRegisters();
} else {
throw new OpenemsModbusException(//
"Unable to read modbus response. " + "UnitId [" + modbusUnitId + "], Address [" + address + "], Count [" + count + "]: " + res.toString());
}
}
use of com.ghgande.j2mod.modbus.msg.ReadInputRegistersRequest in project SmartApplianceEnabler by camueller.
the class ReadInputRegisterExecutor method execute.
@Override
public void execute(TCPMasterConnection con, int slaveAddress) throws ModbusException {
logger.trace("{}: Reading input register={} requestWords={}", getApplianceId(), getAddress(), getRequestWords());
ReadInputRegistersRequest req = new ReadInputRegistersRequest(getAddress(), getRequestWords());
req.setUnitID(slaveAddress);
ModbusTCPTransaction trans = new ModbusTCPTransaction(con);
trans.setRequest(req);
trans.execute();
ReadInputRegistersResponse res = (ReadInputRegistersResponse) trans.getResponse();
if (res != null) {
Integer[] byteValues = new Integer[res.getWordCount()];
for (int i = 0; i < res.getWordCount(); i++) {
byteValues[i] = res.getRegisterValue(i);
}
logger.debug("{}: Input register={} value={}", getApplianceId(), getAddress(), byteValues);
getValueTransformer().setByteValues(byteValues);
} else {
logger.error("{}: No response received.", getApplianceId());
}
}
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