//---------------------------------------------------------------------
//确认数据
public void SendDataACK(byte recNo)
{
//发送确认数据【主机→采集器】
DataPackage pkgData = new DataPackage();
pkgData.CtrlHead.CMD_ID = HCCommand.DATA_ACK;
pkgData.CtrlHead.CE_ID = ceInfo.CE_ID;
Struct_OKWord okWord = new Struct_OKWord();
okWord.TriggerType = RecordTriggerType.Manual;
okWord.FileType = AckFileType.Image;
using (MemoryStream ms = new MemoryStream())
{
using (BinaryWriter bw = new BinaryWriter(ms))
{
bw.Write((byte)0);
bw.Write(okWord.OkWord);
bw.Write(recNo);
}
pkgData.PureData = ms.ToArray();
}
pkgData.Pack();
SendData(pkgData);
}
public void ReceiveDataACK(DataPackage pkgData)
{
//收到确认数据【采集器→主机】
Struct_OKWord okWord = new Struct_OKWord();
byte status_ctl;
byte recNo;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
status_ctl = br.ReadByte(); //输出开关量状态
okWord.OkWord = br.ReadByte();
recNo = br.ReadByte(); //要确认的文件记录号，默认为 0。
}
}
if ((recNo == curRecNo) && (okWord.FileType == AckFileType.Image))
{
//文件读取结束，通知主程序
if (curStream != null) curStream.Close();
if (curBinaryWriter != null) curBinaryWriter.Close();
if (OnDataChanged != null)
{
//通知文件读取结束
ImageHandlerEventArgs eventArgs = new ImageHandlerEventArgs(RunMode.Image);
eventArgs.OperState = OperationState.ReadComplete;
eventArgs.RecNo = curRecNo;
eventArgs.fileName = curFileName;
OnDataChanged(this, eventArgs);
}
}
}
