private FXReadCommentResult ReadCommentInside()
{
FXReadCommentResult result = new FXReadCommentResult();
try
{
FXRegionInfoResult regionInfo = ReadParamRegionInside();
FXRegionInfo infoAddr = regionInfo.Items[(int)FXParamType.CommentRegisterFrom];
FXRegionInfo infoLen = regionInfo.Items[(int)FXParamType.CommentRegisterBlockLen];
int commentAddr = Convert.ToInt32(infoAddr.ValueStr, 16) + 0x8000; //获得注释起始地址
int commentLen = Convert.ToInt32(infoLen.ValueStr, 16) * 1000; //一块是1000字节
if (!this.mSerialPort.IsOpen)
this.mSerialPort.Open();
int commentOffset = 0;
List<byte[]> cmdList;
List<byte[]> readResultList;
while (true)
{
cmdList = this.CreateRegionCMDList(FXSeriesCmd.ReadProgram, commentAddr + commentOffset, COMMENTREADLEN, null); //每次读取20长度，直到读到第一个就是00结束
readResultList = this.mSerialPort.Read(cmdList);
string aaa = BitConverter.ToString(readResultList[0]);
if (readResultList[0][0] == (byte)FXSeriesControl.NAK) //如果设备返回NAK，那直接返回
{
result.Msg = "device return NAK";
break;
}
string str = Utils.BytesToStrInRightOrder(false, readResultList[0]);
if (str.StartsWith("00")) //如果读到的字符串以00开头，说明没有注释了，可以直接返回
break;
FXCommentInfo comment = new FXCommentInfo(); //添加这个注释
comment.SetComment(str);
result.Comments.Add(comment);
commentOffset += COMMENTREADLEN;
if (commentOffset + COMMENTREADLEN > commentLen) //如果已经超过注释区大小了，那么可以直接返回
break;
}
this.mSerialPort.Close();
}
catch (System.Exception ex)
{
result.Msg = ex.Message;
}
return result;
}
private string WriteCommentInside(FXCommentInfo[] infos)
{
string result = null;
try
{
FXRegionInfoResult regionInfo = ReadParamRegionInside();
FXRegionInfo infoAddr = regionInfo.Items[(int)FXParamType.CommentRegisterFrom];
FXRegionInfo infoLen = regionInfo.Items[(int)FXParamType.CommentRegisterBlockLen];
int commentAddr = Convert.ToInt32(infoAddr.ValueStr, 16) + 0x8000; //获得注释起始地址
int commentLen = Convert.ToInt32(infoLen.ValueStr, 16) * 1000; //一块是1000字节
string[] dataStrArray = new string[commentLen / 2];
for (int i = 0; i < dataStrArray.Length; i++) //初始化注释区
dataStrArray[i] = "00";
if (infos != null)
{
for (int i = 0; i < infos.Length; i++) //在注释区中添加注释
{
string[] temp = infos[i].GetCommentStrArray();
Array.Copy(temp, 0, dataStrArray, i * FXCommentInfo.CommentBytesLen, temp.Length);
}
}
List<byte[]> cmdList = CreateRegionCMDList(FXSeriesCmd.WriteProgram, commentAddr, dataStrArray.Length, dataStrArray); //生成写入注释命令
List<byte[]> readResultList;
if (!this.mSerialPort.IsOpen)
this.mSerialPort.Open();
readResultList = this.mSerialPort.Read(cmdList);
this.mSerialPort.Close();
}
catch (System.Exception ex)
{
result = ex.Message;
}
return result;
}
/// <summary>
/// 这个方法在执行开始前打开串口，并负责在执行后关闭
/// </summary>
/// <param name="infos"></param>
/// <returns></returns>
public string WriteComment(FXCommentInfo[] infos)
{
FXReadStatusResult status = ReadPLCStatus();
if (status.Msg == null)
{
if (status.Status == FXStatus.Run)
RemoteControl(FXStatus.Stop);
string msg = this.WriteCommentInside(infos);
if (status.Status == FXStatus.Run)
RemoteControl(FXStatus.Run);
return msg;
}
else
return status.Msg;
}