/// <summary>
/// 读串口线程
/// </summary>
public static void Read()
{
while (isContinue)
{
try
{
if (SyncSerialPort.IsOpen)
{
string message = SyncSerialPort.ReadTo(",END");
EventsClass.GpsEventArgs e = new EventsClass.GpsEventArgs(message);
SyncEventHandler handler = SyncLogEvent;
if (handler != null)
{
handler(null, e);
}
}
}
catch (Exception MyEx)
{
//MessageBox.Show(MyEx.Message + ":" + MyEx.StackTrace);
isContinue = false;
}
}
}
/// <summary>
/// 处理gps信息，刷新控件及发送信息给主窗口
/// </summary>
/// <param name="sender"></param>
/// <param name="e">gps信息</param>
void GPSForm_GpsLogEvent(object sender, EventsClass.GpsEventArgs e)
{
if (GpsLog.InvokeRequired)
{
LogBoxCallback d = new LogBoxCallback(GPSForm_GpsLogEvent);
this.Invoke(d, new object[] { sender, e });
}
else
{
string comming = e.gpsdata;
comming = comming.Substring(comming.LastIndexOf("EB90"));
string[] str = comming.Split(',');
if (str[1] == "03")
{
GpsLog.AppendText("430-->>" + e.gpsdata + ",END" + "\r\n");
GpsLog.ScrollToCaret();
if (str[2] == "Y")
{
GpsLog.AppendText("430回复ACK正确" + "\r\n");
GpsLog.ScrollToCaret();
}
else
{
GpsLog.AppendText("430回复ACK错误" + "\r\n");
GpsLog.ScrollToCaret();
}
}
else
{
string oldstr = comming;
oldstr = oldstr.Remove(oldstr.Length - 2);
try
{
string crcnew = CRCHelper.CRC16(oldstr);
string newstr = CRCHelper.ConvertCharToHex(comming) + CRCHelper.ConvertCharToHex(",END");
GpsLog.AppendText("430-->>" + newstr + "\r\n");
GpsLog.ScrollToCaret();
string crc = newstr.Substring(newstr.Length - 12, 4);
if (crc == crcnew)
{
string ack = "EB90,03,Y,";
ack += CRCHelper.CRC16(ack);
ack += ",END";
ack = CRCHelper.ConvertCharToHex(ack);
WriteCommand(ack);
GpsLog.AppendText("上位机回复ACK正确" + "\r\n");
GpsLog.ScrollToCaret();
}
else
{
string ack = "EB90,03,N,";
ack += CRCHelper.CRC16(ack);
ack += ",END";
ack = CRCHelper.ConvertCharToHex(ack);
WriteCommand(ack);
GpsLog.AppendText("上位机回复ACK错误" + "\r\n");
GpsLog.ScrollToCaret();
wrongnumber++;
numberlabel.Text = "上位机校验错误次数：" + wrongnumber.ToString() + " 双击清零";
}
}
catch (Exception MyEx)
{
MessageBox.Show(MyEx.Message + ":" + MyEx.StackTrace);
}
}
}
}