/// <summary>
/// 读取数据的基础指令，需要指定指令码，地址，长度
/// </summary>
/// <param name="code"></param>
/// <param name="address"></param>
/// <param name="count"></param>
/// <returns></returns>
private OperateResult <byte[]> BuildReadCommandBase(byte code, string address, ushort count)
{
OperateResult <int> analysis = AnalysisAddress(address);
if (!analysis.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(analysis));
}
ushort messageId = (ushort)softIncrementCount.GetCurrentValue( );
byte[] buffer = new byte[12];
buffer[0] = (byte)(messageId / 256);
buffer[1] = (byte)(messageId % 256);
buffer[2] = 0x00;
buffer[3] = 0x00;
buffer[4] = 0x00;
buffer[5] = 0x06;
buffer[6] = station;
buffer[7] = code;
buffer[8] = (byte)(analysis.Content / 256);
buffer[9] = (byte)(analysis.Content % 256);
buffer[10] = (byte)(count / 256);
buffer[11] = (byte)(count % 256);
return(OperateResult.CreateSuccessResult(buffer));
}
/// <summary>
/// 读取数据的基础指令，需要指定指令码，地址，长度
/// </summary>
/// <param name="code"></param>
/// <param name="address"></param>
/// <param name="count"></param>
/// <returns></returns>
private OperateResult <byte[]> BuildReadCommandBase(byte code, string address, ushort count)
{
var result = new OperateResult <byte[]>( );
OperateResult <int> analysis = AnalysisAddress(address);
if (!analysis.IsSuccess)
{
result.CopyErrorFromOther(analysis);
return(result);
}
ushort messageId = (ushort)softIncrementCount.GetCurrentValue( );
byte[] buffer = new byte[12];
buffer[0] = (byte)(messageId / 256);
buffer[1] = (byte)(messageId % 256);
buffer[2] = 0x00;
buffer[3] = 0x00;
buffer[4] = 0x00;
buffer[5] = 0x06;
buffer[6] = station;
buffer[7] = code;
buffer[8] = (byte)(analysis.Content / 256);
buffer[9] = (byte)(analysis.Content % 256);
buffer[10] = (byte)(count / 256);
buffer[11] = (byte)(count % 256);
result.Content = buffer;
result.IsSuccess = true;
return(result);
}
/// <summary>
/// 生成一个读取线圈的指令头
/// </summary>
/// <param name="address">地址</param>
/// <param name="length">长度</param>
/// <returns>包含结果对象的报文</returns>
public OperateResult <byte[]> BuildReadCoilCommand(string address, ushort length)
{
// 解析富地址
OperateResult <ModbusAddress> analysis = ModbusInfo.AnalysisAddress(address, isAddressStartWithZero, ModbusInfo.ReadCoil);
if (!analysis.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(analysis));
}
// 获取消息号
ushort messageId = (ushort)softIncrementCount.GetCurrentValue( );
// 生成最终tcp指令
byte[] buffer = ModbusInfo.PackCommandToTcp(analysis.Content.CreateReadCoils(station, length), messageId);
return(OperateResult.CreateSuccessResult(buffer));
}