//线程执行读取串口数据事件
private void RecvData_DoWork(object sender, DoWorkEventArgs e)
{
SerialToTextBox Example = (SerialToTextBox)e.Argument;
Example.Port.DiscardOutBuffer();//先将串口驱动中的缓冲数据丢弃
string NextBuf = string.Empty;
byte[] DataBuff = new byte[51200];
int index = 0;
while (Example.Port.IsOpen) //如果该串口处于打开/连接状态，则进行数据的接收
{
int n = Example.Port.BytesToRead; //字节数
if (n > 0)
{
//Console.WriteLine(n);
byte[] buf = new byte[n]; //获取到串口缓冲区上接收到的字节数量
Example.Port.Read(buf, 0, n); //buffer offset count
Console.WriteLine(buf.Length);
DealRecvData(buf, ref NextBuf, ref index, Example, ref DataBuff); //根据具体需求从这些sector中分别读取PageData和其他的统计数据
}
else
{
Thread.Sleep(300);
}
}
}
//打印log，以及将log写入文件
private void LogPrint(string Log, SerialToTextBox Example)
{
string temp = Regex.Replace(Log, @"SINGLE_START_S_N", "");
string result = Regex.Replace(temp, @"SINGLE_START_S_S", "");
temp = Regex.Replace(result, @"SINGLE_START_S_R", "");
//委托主线程对UI控件进行操作
this.BeginInvoke(new System.Threading.ThreadStart(delegate()
{
if (Example.PrintBox.Text.Length > 0xFFFF)
{
Example.PrintBox.Clear();
}
Example.PrintBox.Text += temp;
}));
try
{
string time = "[" + DateTime.Now.ToString() + "." + DateTime.Now.Millisecond.ToString("000") + "] ";
//使用正则表达式在所有的换行符后加入当前时间戳
string WriteText = Regex.Replace(temp, @"\n", "\n" + time);
File.AppendAllText(SerialToPath[Example.Port.PortName], WriteText);
}
catch
{
return;
}
}
//运行脚本
//运行脚本需要判断当前连接了几个串口，然后针对于每个串口需要新建一个窗口，每个串口对应一接收数据的线程。
//所有的串口发送数据只用一个线程，先解析脚本，将所有需要发送的数据添加到list中，然后循环发送所有的CMD。
private void RunBtn_Click(object sender, EventArgs e)
{
if (PortList.Count == 0)
{
MessageBox.Show("please open serial port first !!!", "WARNING", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
RunBtn.Enabled = false;
SendToolStripButton.Enabled = false;
//ManualFlag = -1;
WriteDataList.Clear();
PageLength.Clear();
ComDataPath.Clear();
//处理脚本
if (!ScriptIdentify())
{
RunBtn.Enabled = true;
SendToolStripButton.Enabled = true;
return;
}
int i = 5, j = 5;
//遍历每个串口
foreach (SerialPort port in PortList.Values)
{
if (!SerialToPath.ContainsKey(port.PortName))
{
//创建输出打印框
PrintLog PortLogBox = new PrintLog();
PortLogBox.Top = i;
PortLogBox.Left = j;
PortLogBox.Text = port.PortName;
PortLogBox.Show();
//创建写入本地文件句柄
CreateFileHandle(port.PortName);
//接收数据线程
BackgroundWorker backgroundWorker = new BackgroundWorker();
backgroundWorker.DoWork += new System.ComponentModel.DoWorkEventHandler(this.RecvData_DoWork);
SerialToTextBox Argument = new SerialToTextBox(port, PortLogBox.PrintLogBox);
backgroundWorker.RunWorkerAsync(Argument);
i += 20;
j += 20;
}
this.Activate();
}
flashToolStripMenuItem.Enabled = false;
//发送数据线程
BackgroundWorker SendWoker = new BackgroundWorker();
SendWoker.DoWork += new System.ComponentModel.DoWorkEventHandler(this.SendData_DoWork);
IsRecvSingle = true;
SendWoker.RunWorkerAsync();
}
//判断是否收到了下一个cmd的命令
private void RecvNextCmd(ref string NextBuffer, SerialToTextBox Example)
{
if (NextBuffer.Contains("SINGLE_START_S_N"))
{
lock (locker)
{
IsSendData[Example.Port.PortName] = true;
IsRecvSingle = true;
}
LogPrint(NextBuffer, Example);
NextBuffer = string.Empty;
}
}
/**
* Data:从串口缓冲区读上来的字节数
* NextBuffer:指向一个空的字符串
* index:索引值，指向当前DataBuffer这个目标字节数组的偏移量
* Example:串口结构体
* Databuffer:目标字节数组
*/
//每一次解析一个数据包
private void DealRecvData(byte[] Data, ref string NextBuffer, ref int index, SerialToTextBox Example, ref byte[] DataBuffer)
{
string StartFlag = "SINGLE_START_S_S";
if (Data.Length == 0)
{
return;
}
else if (IsPageRead[Example.Port.PortName])//每个串口的接收数据的标志
{
//发送过readpage CMD，解析接收到的数据，收到开始写入数据后将数据写入
if (ComDataStart[Example.Port.PortName])
{
if (ComWriteNum[Example.Port.PortName] + Data.Length < ReadPageNum) //串口接收的数据没达到pagesize
{
Buffer.BlockCopy(Data, 0, DataBuffer, ComWriteNum[Example.Port.PortName], Data.Length); //追加
ComWriteNum[Example.Port.PortName] += Data.Length; //长度递增
}
else if (ComWriteNum[Example.Port.PortName] + Data.Length == ReadPageNum) //如果达到pagesize则进行文件的写入
{
Buffer.BlockCopy(Data, 0, DataBuffer, ComWriteNum[Example.Port.PortName], Data.Length);
PageDataWrite(ComDataPath[Example.Port.PortName].FirstOrDefault(), DataBuffer);
//串口对应的路径删除
ComDataPath[Example.Port.PortName].RemoveAt(0);
//串口对应的当前写入长度置0
ComWriteNum[Example.Port.PortName] = 0;
//串口对应的开始信号关闭
ComDataStart[Example.Port.PortName] = false;
//串口对应的pageread的信号关闭
IsPageRead[Example.Port.PortName] = false;
if (CmdList[Example.Port.PortName].Count == 0)//没有要发送的函数指令
{
IsRecvSingle = false;
//IsSendData[Example.Port.PortName] = false;
}
}
else//此次接收完数据后，大于pagesize
{
int num = ReadPageNum - ComWriteNum[Example.Port.PortName];//剩余量
Buffer.BlockCopy(Data, 0, DataBuffer, ComWriteNum[Example.Port.PortName], num);//src,srcOffset,dst,dstOffset,count
//写入文件,只写一个page的数据
PageDataWrite(ComDataPath[Example.Port.PortName].FirstOrDefault(), DataBuffer);
//移除输出路径
ComDataPath[Example.Port.PortName].RemoveAt(0);
//待写长度置0
ComWriteNum[Example.Port.PortName] = 0;
//数据接收开始信号关闭
ComDataStart[Example.Port.PortName] = false;
//发送pageread信号关闭
IsPageRead[Example.Port.PortName] = false;
byte[] temp = new byte[Data.Length - num];
Buffer.BlockCopy(Data, num, temp, 0, Data.Length - num);
NextBuffer += Encoding.ASCII.GetString(temp);
RecvNextCmd(ref NextBuffer, Example);
if (CmdList[Example.Port.PortName].Count == 0)
{
IsRecvSingle = false;
//IsSendData[Example.Port.PortName] = false;
}
}
}
else
{
for (int i = 0; i < Data.Length; i++)
{
if (index == 16)
{
index = 0;
ComDataStart[Example.Port.PortName] = true; //匹配到完整的StartFlag后，将接受数据写入文件的标志置为True
int count = Data.Length - i > ReadPageNum ? ReadPageNum : Data.Length - i;
Buffer.BlockCopy(Data, i, DataBuffer, 0, count); //只拷贝一个Page的数据到DataBuffer上
ComWriteNum[Example.Port.PortName] += count;
if (count == ReadPageNum)
{
PageDataWrite(ComDataPath[Example.Port.PortName].FirstOrDefault(), DataBuffer);
ComDataPath[Example.Port.PortName].RemoveAt(0);
ComWriteNum[Example.Port.PortName] = 0;
ComDataStart[Example.Port.PortName] = false; //串口读取数据标志置为0
IsPageRead[Example.Port.PortName] = false; //串口接收数据标志置为0
byte[] tmpByte = new byte[Data.Length - ComWriteNum[Example.Port.PortName] - i];
Buffer.BlockCopy(Data, ReadPageNum + i, tmpByte, 0, Data.Length - ReadPageNum - i);
NextBuffer += Encoding.ASCII.GetString(tmpByte);
if (CmdList[Example.Port.PortName].Count == 0)
{
IsRecvSingle = false;
//IsSendData[Example.Port.PortName] = false;
}
}
break;
}
if (Data[i] == Convert.ToByte(StartFlag[index]))
{
index++;
}
else
{
index = 0;
}
NextBuffer += (char)Data[i];
}
RecvNextCmd(ref NextBuffer, Example);
}
}
else//判断是否接收到下一个信号以及将数据委托主线程打印
{
NextBuffer += Encoding.ASCII.GetString(Data);
RecvNextCmd(ref NextBuffer, Example);
}
}
