/// <summary>
/// 从欧姆龙PLC中批量读取位软元件，返回读取结果
/// </summary>
/// <param name="address">读取地址，格式为"D100","C100","W100","H100","A100"</param>
/// <param name="length">读取的长度</param>
/// <returns>带成功标志的结果数据对象</returns>
/// <remarks>
/// 地址支持的列表如下：
/// <list type="table">
/// <listheader>
/// <term>地址名称</term>
/// <term>示例</term>
/// <term>地址进制</term>
/// </listheader>
/// <item>
/// <term>DM Area</term>
/// <term>D100.0,D200.10</term>
/// <term>10</term>
/// </item>
/// <item>
/// <term>CIO Area</term>
/// <term>C100.0,C200.10</term>
/// <term>10</term>
/// </item>
/// <item>
/// <term>Work Area</term>
/// <term>W100.0,W200.10</term>
/// <term>10</term>
/// </item>
/// <item>
/// <term>Holding Bit Area</term>
/// <term>H100.0,H200.10</term>
/// <term>10</term>
/// </item>
/// <item>
/// <term>Auxiliary Bit Area</term>
/// <term>A100.0,A200.1</term>
/// <term>10</term>
/// </item>
/// </list>
/// </remarks>
/// <example>
/// <code lang="cs" source="HslCommunication_Net45.Test\Documentation\Samples\Profinet\OmronFinsNet.cs" region="ReadBool" title="ReadBool示例" />
/// </example>
public OperateResult <bool[]> ReadBool(string address, ushort length)
{
// 获取指令
var command = OmronFinsNetHelper.BuildReadCommand(address, length, true);
if (!command.IsSuccess)
{
return(OperateResult.CreateFailedResult <bool[]>(command));
}
// 核心交互
OperateResult <byte[]> read = ReadBase(PackCommand(command.Content));
if (!read.IsSuccess)
{
return(OperateResult.CreateFailedResult <bool[]>(read));
}
// 数据有效性分析
OperateResult <byte[]> valid = ResponseValidAnalysis(read.Content, true);
if (!valid.IsSuccess)
{
return(OperateResult.CreateFailedResult <bool[]>(valid));
}
// 返回正确的数据信息
return(OperateResult.CreateSuccessResult(valid.Content.Select(m => m != 0x00 ? true : false).ToArray( )));
}
/// <summary>
/// 批量读取PLC的数据，以字为单位，支持读取X,Y,M,S,D,T,C，具体的地址范围需要根据PLC型号来确认
/// </summary>
/// <param name="address">地址信息</param>
/// <param name="length">数据长度</param>
/// <returns>读取结果信息</returns>
public override OperateResult <byte[]> Read(string address, ushort length)
{
// 解析地址
var command = OmronFinsNetHelper.BuildReadCommand(address, length, false);
if (!command.IsSuccess)
{
return(command);
}
// 核心交互
OperateResult <byte[]> read = ReadBase(PackCommand(command.Content));
if (!read.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(read));
}
// 数据有效性分析
OperateResult <byte[]> valid = ResponseValidAnalysis(read.Content, true);
if (!valid.IsSuccess)
{
return(OperateResult.CreateFailedResult <byte[]>(valid));
}
// 读取到了正确的数据
return(OperateResult.CreateSuccessResult(valid.Content));
}
/// <summary>
/// 根据类型地址长度确认需要读取的指令头
/// </summary>
/// <param name="address">起始地址</param>
/// <param name="length">长度</param>
/// <param name="isBit">是否是位读取</param>
/// <returns>带有成功标志的报文数据</returns>
public OperateResult <byte[]> BuildReadCommand(string address, ushort length, bool isBit)
{
var command = OmronFinsNetHelper.BuildReadCommand(address, length, isBit);
if (!command.IsSuccess)
{
return(command);
}
return(OperateResult.CreateSuccessResult(PackCommand(command.Content)));
}