public void PhotoelectricOpen()
{
var port = SerialPortHelp.GetDevicePort(DeviceType.Photoelectric, DetectionType.Light);
port.DataReceived += (s, e) =>
{
var serialPort = s as SerialPort;
byte[] bytesData = new byte[0];
byte[] bytesTemp = new byte[0];
int bytesRead;
byte result = 0x00;
//获取接收缓冲区中字节数
bytesRead = serialPort.BytesToRead;
//保存上一次没处理完的数据
if (bytesData.Length > 0)
{
bytesTemp = new byte[bytesData.Length];
bytesData.CopyTo(bytesTemp, 0);
bytesData = new byte[bytesRead + bytesData.Length];
bytesTemp.CopyTo(bytesData, 0);
}
else
{
bytesData = new byte[bytesRead];
bytesTemp = new byte[0];
}
//保存本次接收的数据
for (int i = 0; i < bytesRead; i++)
{
bytesData[bytesTemp.Length + i] = Convert.ToByte(serialPort.ReadByte());//read all data
}
for (int i = 0; i < bytesData.Length; i++)
{
if ((bytesData[i] == 0xAA) && (bytesData[i + 2] == 0x0D))
{
result = bytesData[i + 1];
InPhotoelectric = result > 0x00 ? true : false;
i += 2;
if (InPhotoelectric)
{
AllowGetData = true;
TempInt++;
}
else
{
AllowGetData = false;
TempInt = 0;
}
}
}
};
if (!port.IsOpen)
{
port.Open();
}
}
/// <summary>
/// 光电初始化
/// </summary>
public void PhotoelectricInit()
{
var port = SerialPortHelp.GetDevicePort(DeviceType.Photoelectric, DetectionType.Light);
port.DataReceived += Photoelectric_DataReceived;
if (!port.IsOpen)
{
port.Open();
}
}
public void Close()
{
//if(port.IsOpen)
//{
// port.Close();
//}
//cts.Cancel();
//var port = yy.PortItems.SingleOrDefault(x => x.DeviceType == DeviceType.Photoelectric
// && x.DetectionType == DetectionType.Light);
//var port = SerialPortHelp.GetDevicePort(DeviceType.Photoelectric, DetectionType.Light);
//if (port.IsOpen)
//{
// port.Close();
//}
SerialPortHelp.ClosePort(DeviceType.Photoelectric, DetectionType.Light);
cts.Cancel();
}
public YYLight()
{
PortItems = new List <PortElement>();
PortItems.Add(SerialPortHelp.GetDevicePort(DeviceType.Photoelectric, DetectionType.Light));
}
