/// <summary>
/// 接收： 读取待上送扳动过程加速度数据记录(未测试)
/// </summary>
/// <param name="pkgData"></param>
void ReceiveFlipAcceleration(DataPackage pkgData)
{
object item = null;
using (MemoryStream ms = new MemoryStream(pkgData.PureData))
{
using (BinaryReader br = new BinaryReader(ms))
{
byte cmd2 = br.ReadByte();
byte dataIndex = br.ReadByte();
ushort pakID = br.ReadUInt16();
if (pakID == 0)
{
//包序号，0x0000 表示信息帧
var frameItem = new ReadRecordInfoItem();
frameItem.CMD2 = cmd2;
frameItem.DataIndex = dataIndex;
frameItem.PakID = pakID;
frameItem.Time.Buffer = br.ReadBytes(7);
frameItem.DP_Num = br.ReadUInt32();
frameItem.AcqFrq = br.ReadByte();
frameItem.SW_DIR = br.ReadByte();
//byte[] R = br.ReadBytes(4);
item = frameItem;
//---------------------------------------------
try
{
//创建文件，写入文件头数据
curFileNameFA = GetDataPath(string.Format("FA_{0}.dat", DateTime.Now.ToString("yyyyMMdd_HHmmss")));
curStreamFA = new FileStream(curFileNameFA, FileMode.Create, FileAccess.Write);
curBinaryWriterFA = new BinaryWriter(curStreamFA);
WriteFileHeader(curBinaryWriterFA, frameItem);
}
catch
{
}
ReadFlipAcceleration(new ReadRecordItem(1)); //开始读数据帧
//---------------------------------------------
}
else
{
//数据帧
var frameItem = new ReadRecordDataItem();
frameItem.CMD2 = cmd2;
frameItem.DataIndex = dataIndex;
frameItem.PakID = pakID;
frameItem.DP_Num = br.ReadUInt16();
frameItem.PakData = br.ReadBytes(frameItem.DP_Num * 3);
item = frameItem;
//---------------------------------------------
if (pakID == 0xFFFF || frameItem.DP_Num == 0)
{
//数据帧接收完毕，发送确认帧
try
{
curBinaryWriterFA.Flush();
curStreamFA.Close();
if (OnDataChanged != null)
{
//通知文件读取结束
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(RunMode.FileVA);
eventArgs.OperState = OperationState.ReadComplete;
eventArgs.fileName = curFileNameFA;
OnDataChanged(this, eventArgs);
}
}
catch
{
}
//发送确认信息，结束文件读取
ACK_DataReceive(new DataReceiveAckItem(1, frameItem.DataIndex));
}
else
{
//继续读取下一帧数据
WriteFileData(curBinaryWriterFA, frameItem); //将数据写入文件
ReadFlipAcceleration(new ReadRecordItem(++pakID)); //继续读下一帧数据
}
//---------------------------------------------
}
}
}
OnDataChangeAction(pkgData, item);
}
/// <summary>
/// 写入数据记录的文件头信息(文件头共32字节，剩余位置用0填充）
/// </summary>
/// <param name="bw"></param>
/// <param name="value"></param>
void WriteFileHeader(BinaryWriter bw, ReadRecordInfoItem value)
{
try
{
bw.Write(value.CMD2);
bw.Write(value.DataIndex);
bw.Write(value.PakID);
bw.Write(value.Time.Buffer);
bw.Write(value.DP_Num);
bw.Write(value.AcqFrq);
bw.Write(value.SW_DIR);
bw.Write(value.Oil_Level);
bw.Write(value.SW_TIME);
bw.Write(new byte[12]);
}
catch
{
}
}