private void TimerElaped_CheckPendingChannel(object sender, System.Timers.ElapsedEventArgs e)
{
bTimerInElapesing = true;
List <WaitingForConfirm> cPendingChannel = WaitingForConfirmList.Instance().GetPendingChannelList();
string str_log1 = "";
for (int i = cPendingChannel.Count - 1; i >= 0; --i)
{
if (cPendingChannel[i].CheckTimeOut())
{
// reset channel
ResetChannel resetChannel = new ResetChannel(RestDataGridViewRows);
dataGridView_channel.Invoke(resetChannel, cPendingChannel[i].Getchannel(), "超时：无回应！");
str_log1 += "通道【" + cPendingChannel[i].Getchannel().ToString() + "】：等待下位机回应超时！！！！\r\n";
// remove
WaitingForConfirmList.Instance().RemovePendingChannel(i);
}
}
// write log
if ("" != str_log1)
{
str_log1 += "\r\n";
WriteTerminatorLog Log_delegate1 = new WriteTerminatorLog(WriteLog);
terminator.Invoke(Log_delegate1, str_log1);
}
// time elpesed end
bTimerInElapesing = false;
}
private void Serial_ReceiveData(object Sender, SerialDataReceivedEventArgs Event)
{
if (bPrepareCloseMainWindow)
{
return;
}
bIsInReceiving = true;
int iDataByteToRead = cSerialPort.BytesToRead;
byte[] readbuff = new byte[iDataByteToRead];
int iActReadBytes = cSerialPort.Read(readbuff, 0, iDataByteToRead);
receivebuff.AddRange(readbuff);
//int iOneFrameByte = 8;
byte STOP_BYTE = 0x16;
int STOP_BYTE_index = ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES - 1; // 已经考虑了一个前导符
int iCS_Byte_Index = STOP_BYTE_index - 1;
while (receivebuff.Count >= ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES) // (FE) FE 68H CHANNEL CONTROL DATA*4 CS STOP
{
// Check data effect
int iStartIndex = 0; // find the start byte with 0xFE 0x68H
bool bFindStart = false;
for (int i = 0; i + 1 < receivebuff.Count; ++i)
{
// find start index
if (0xFE == receivebuff[i] && 0x68 == receivebuff[i + 1])
{
iStartIndex = i; // FE 68 的位置
bFindStart = true;
break;
}
}
if (bFindStart)
{
receivebuff.RemoveRange(0, iStartIndex); // 0: FE, 1:68H
// check date count after remove useless byte
if (ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES > receivebuff.Count) // +1 是只起始符前面的一个FE,代表68H 是紧跟这前导符的
{
// the data not receive enought, waiting for next receive
break;
}
// calculate crs
byte byCS = 0;
for (int i = 1; i < iCS_Byte_Index; ++i)
{
byCS += receivebuff[i];
}
// check CRS and stop byte
if ((byCS != receivebuff[iCS_Byte_Index]) || (STOP_BYTE != receivebuff[STOP_BYTE_index]))
{
// CRS is failed or not find stop byte
// remove start position, drop this frame data
// write log
byte[] byte_log2 = new byte[ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES];
receivebuff.CopyTo(0, byte_log2, 0, ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES);
string str_log2 = "和校验失败【应为0x" + byCS.ToString("X2") + "】，或停止位【应为0x" + STOP_BYTE.ToString("X2") + "】错误，丢弃！ 接收数据：\r\n" + ChangeArrayToHexString(byte_log2) + "\r\n\r\n";
WriteTerminatorLog Log_delegate2 = new WriteTerminatorLog(WriteLog);
terminator.Invoke(Log_delegate2, str_log2);
receivebuff.RemoveRange(0, 2);
continue;
}
// get control byte
byte control = receivebuff[3];
// data from MEU to PC(bit7 = 1) and the data is ACK
if ((0 == (control & 0x80)) || (0x2 != (control & 0x60) >> 5))
{
// the control byte check fail
// remove start position, drop this frame data
// write log
byte[] byte_log1 = new byte[ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES];
receivebuff.CopyTo(0, byte_log1, 0, ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES);
string str_log1 = "控制位【0x" + control.ToString("X2") + "】校验失败，丢弃！ 接收数据：\r\n" + ChangeArrayToHexString(byte_log1) + "\r\n\r\n";
WriteTerminatorLog Log_delegate1 = new WriteTerminatorLog(WriteLog);
terminator.Invoke(Log_delegate1, str_log1);
receivebuff.RemoveRange(0, 2);
continue;
}
// here, the effect data get: FE 68H channel control byte_data*4 cs stop
byte channel = receivebuff[2];
byte[] voltage = new byte[4];
receivebuff.CopyTo(4, voltage, 0, 4);
// write log
double fVoltage = (double)voltage[0];
// calculate decimal
fVoltage += (double)(((int)voltage[1] << 16) | ((int)voltage[2] << 8) | ((int)voltage[3])) / 0xFFFFFF;
byte[] byte_log = new byte[ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES];
receivebuff.CopyTo(0, byte_log, 0, ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES);
string str_log = "通道【" + channel.ToString() + "】接受数据-> 电压【" + fVoltage.ToString("F2") + "】" + ChangeArrayToHexString(byte_log) + "\r\n";
bool bFindPendingChannel = false;
List <WaitingForConfirm> cPendingChannel = WaitingForConfirmList.Instance().GetPendingChannelList();
for (int i = cPendingChannel.Count - 1; i >= 0; --i)
{
if (cPendingChannel[i].CheckRecieveChannel_ACK(channel, voltage))
{
// set row to
ResetChannel resetChannel = new ResetChannel(RestDataGridViewRows);
dataGridView_channel.Invoke(resetChannel, channel, "设置完成");
str_log += "通道【" + channel.ToString() + "】设置完成！！\r\n\r\n";
bFindPendingChannel = true;
// remove pengding channel
WaitingForConfirmList.Instance().RemovePendingChannel(i);
}
}
if (!bFindPendingChannel)
{
str_log += "通道【" + channel.ToString() + "】-> 数据无效，可能原因为：数据返回超时！\r\n\r\n";
}
WriteTerminatorLog Log_delegate = new WriteTerminatorLog(WriteLog);
terminator.Invoke(Log_delegate, str_log);
// remove one frame from revieve buff and the pre byte(FE)
receivebuff.RemoveRange(0, ONE_FRAME_BYTES_WITH_ONE_PRE_BYTES);
}
else
{
receivebuff.RemoveRange(0, receivebuff.Count - 1); // leave last byte data
}
}
bIsInReceiving = false;
}
