void ProVideo(FileHandlerEventArgs e)
{
//录像
}
void ProImage(FileHandlerEventArgs e)
{
//图像
this.Invoke(new Action(() =>
{
if (e.OperState == OperationState.ReadComplete)
{
//文件读取完毕
progressBarControl1.Visible = false;
pictureBox1.Load(e.fileName);
}
else if (e.OperState == OperationState.Progress)
{
//显示文件读取进度
if (!progressBarControl1.Visible)
{
progressBarControl1.Visible = true;
}
int progressValue = (int)e.Value;
progressBarControl1.Position = progressValue;
}
}));
}
void ProVehicleAcceleration(FileHandlerEventArgs e)
{
//读取待上送过车过程加速度数据记录
}
void ProFlipAcceleration(FileHandlerEventArgs e)
{
//读取待上送扳动过程加速度数据记录
}
void ProFlipOilPressure(FileHandlerEventArgs e)
{
//读取待上送扳动过程油压数据记录
}
void OnProgress()
{
if (OnDataChanged != null)
{
//通知进度改变，进度值( Value = 0 ~ 100 )
int progressValue = 100 * curReadbytes / curDataLen;
if (progressValue < preProgressValue) return;
preProgressValue = progressValue;
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(curRunMode);
eventArgs.OperState = OperationState.Progress;
eventArgs.Value = progressValue;
OnDataChanged(this, eventArgs);
}
}
public void ReceiveVideoAction(DataPackage pkgData)
{
//收到启动或关闭录像应答【采集器→主机】
byte retCode = 0;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
retCode = br.ReadByte(); //结果码: 0-录象关闭，1-录象打开
curStatus_ctl = br.ReadByte(); //输出开关量状态
byte videoMode = br.ReadByte(); //录像模式: 利用原有保留字节，缺省为 0，其它取值已废弃。
curRecNo = br.ReadByte(); //图像记录号
curDataLen = br.ReadInt32(); //录象长度: 在关闭时才有效，为 0 表示录象失败
}
}
if (retCode == 0)
{
//收到录像已关闭命令，发送读取数据命令
VideoOpenState = false;
if (OnDataChanged != null)
{
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(RunMode.Video);
eventArgs.OperState = OperationState.VideoClose;
OnDataChanged(this, eventArgs);
}
if (curDataLen > 0)
{
//读取文件数据， 发送读取数据的命令
curFileName = GetDataPath(string.Format("Video_{0}.avi", DateTime.Now.ToString("yyyyMMdd_HHmmss")));
curStream = new FileStream(curFileName, FileMode.Create, FileAccess.Write);
curBinaryWriter = new BinaryWriter(curStream);
SendDataRead(curRecNo, 0);
}
}
else
{
//收到录像已打开命令，主程序录像已打开
VideoOpenState = true;
if (OnDataChanged != null)
{
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(RunMode.Video);
eventArgs.OperState = OperationState.VideoOpen;
OnDataChanged(this, eventArgs);
}
}
}
public void ReceiveStreamAction(DataPackage pkgData)
{
//收到 "开关实时码流" 的应答【采集器→主机】
byte retCode = 0;
byte[] dataBuffer = pkgData.PureData;
using (MemoryStream ms = new MemoryStream(dataBuffer))
{
using (BinaryReader br = new BinaryReader(ms))
{
retCode = br.ReadByte(); //结果码: 0-码流关闭，1-码流打开
curStatus_ctl = br.ReadByte(); //输出开关量状态
br.ReadInt16(); //R保留
}
}
if (retCode == 0)
{
//收到实时码流已关闭命令
StreamOpenState = false;
if (OnDataChanged != null)
{
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(RunMode.Stream);
eventArgs.OperState = OperationState.StreamClose;
OnDataChanged(this, eventArgs);
}
}
else
{
//收到实时码流已打开命令
StreamOpenState = true;
if (OnDataChanged != null)
{
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(RunMode.Stream);
eventArgs.OperState = OperationState.StreamOpen;
OnDataChanged(this, eventArgs);
}
}
}
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 || okWord.FileType == AckFileType.Video)
)
{
//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
FileHandlerEventArgs eventArgs = new FileHandlerEventArgs(curRunMode);
eventArgs.OperState = OperationState.ReadComplete;
eventArgs.RecNo = curRecNo;
eventArgs.fileName = curFileName;
OnDataChanged(this, eventArgs);
}
}
}
/// <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);
}