64 lines
2.3 KiB
C#
64 lines
2.3 KiB
C#
using System;
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namespace SharpModbus
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{
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public class ModbusF01ReadCoils : IModbusCommand
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{
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private readonly byte slave;
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private readonly ushort address;
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private readonly ushort count;
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public byte Code { get { return 1; } }
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public byte Slave { get { return slave; } }
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public ushort Address { get { return address; } }
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public ushort Count { get { return count; } }
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public int RequestLength { get { return 6; } }
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public int ResponseLength { get { return 3 + ModbusUtils.BytesForBools(count); } }
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public ModbusF01ReadCoils(byte slave, ushort address, ushort count)
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{
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this.slave = slave;
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this.address = address;
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this.count = count;
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}
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public void FillRequest(byte[] request, int offset)
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{
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request[offset + 0] = slave;
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request[offset + 1] = 1;
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request[offset + 2] = ModbusUtils.High(address);
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request[offset + 3] = ModbusUtils.Low(address);
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request[offset + 4] = ModbusUtils.High(count);
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request[offset + 5] = ModbusUtils.Low(count);
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}
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public object ParseResponse(byte[] response, int offset)
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{
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var bytes = ModbusUtils.BytesForBools(count);
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Tools.AssertEqual(response[offset + 0], slave, "Slave mismatch got {0} expected {1}");
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Tools.AssertEqual(response[offset + 1], 1, "Function mismatch got {0} expected {1}");
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Tools.AssertEqual(response[offset + 2], bytes, "Bytes mismatch got {0} expected {1}");
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return ModbusUtils.DecodeBools(response, offset + 3, count);
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}
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public object ApplyTo(IModbusModel model)
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{
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return model.getDOs(slave, address, count);
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}
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public void FillResponse(byte[] response, int offset, object value)
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{
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var bytes = ModbusUtils.BytesForBools(count);
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response[offset + 0] = slave;
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response[offset + 1] = 1;
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response[offset + 2] = bytes;
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var data = ModbusUtils.EncodeBools(value as bool[]);
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ModbusUtils.Copy(data, 0, response, offset + 3, bytes);
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}
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public override string ToString()
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{
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return string.Format("[ModbusF01ReadCoils Slave={0}, Address={1}, Count={2}]", slave, address, count);
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}
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}
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} |