private void Bep82USBRecv()
{
if (null == bepIn82)
{
return;
}
int len = 1024 * 48;
byte[] recv = new byte[len];
bepIn82.TimeOut = 300;
bepIn82.XferSize = 1024 * 48;
try
{
while (isConnect)
{
len = 1024 * 48;
recv = new byte[len];
if (bepIn82.XferData(ref recv, ref len))
{
//这里的len是实际读到的数据长度，recv只是一个buffer,所以Buffer中的数据不一定全部是收到的数据。
recvDatas.Add(recv.Take(len).ToArray <byte>());
}
}
}
catch (Exception ex)
{
NLogHelper.ErrorLog(ex, "Beq83USBRecv");
}
}
/// <summary>
/// 收包这里不做分包合并，每一包都触发委托处理
/// 在委托里面根据需要进行合包，分包信息在Header里面有，所以委托参数从Msg改为Packet，
/// </summary>
/// <param name="data">skt收到的报文字节</param>
/// <param name="pkt">返回的自定义Packet类型对象</param>
/// <returns>是否接收正确 0表示正常， 非0表示异常</returns>
private int RecvOnePkt(byte[] data, out Packet pkt)
{
//Console.WriteLine("RecvOnePkt:");
//Console.WriteLine("PktSN = " + pkt.Header.PktSN.ToString());
//Console.WriteLine("MsgSn = " + pkt.Header.MsgSn.ToString());
//Console.WriteLine("MsgType = 0x" + pkt.Header.MsgType.ToString("x"));
//Console.WriteLine("MsgLen = " + pkt.Header.MsgLen.ToString());
//Console.WriteLine("TotalMsgLen = " + pkt.Header.TotalMsgLen.ToString());
pkt = new Packet(data);
if (pkt.Data.Length < pkt.Header.MsgLen + Header.Length)
{
NLogHelper.DebugLog("pkt.Length<pkt.MsgLen + pkt.headerLen");
return(-1);
}
if (pkt.Msg.Length < pkt.Header.TotalMsgLen)
{
NLogHelper.DebugLog("msg.data.Length < pkt.TotalMsgLen");
return(-2);
}
return(0); // rcv done
}
/// <summary>
/// 写一行数据
/// </summary>
/// <param name="data">要写入的数据数据 每一列是一个元素</param>
public void WirteLine(string[] data)
{
try
{
using (StreamWriter sw = new StreamWriter(path, true))
{
string s = string.Empty;
foreach (var d in data)
{
s = s + d + ",";
}
sw.WriteLine(s);
double size = sw.BaseStream.Position / 1024.0 / 1024.0;//单位MB
if (size > MaxzSize)
{
this.path = path.Replace($"({page})", $"({++page})");
}
}
}
catch (IOException ex)
{
NLogHelper.ErrorLog(ex, "WriteLine");
}
}
private void UsbDevices_DeviceRemoved(object sender, EventArgs e)
{
isConnect = false;
USBEventArgs usbEvent = e as USBEventArgs;
//Console.WriteLine(usbEvent.FriendlyName.ToString() + " Removed");
NLogHelper.DebugLog(usbEvent.FriendlyName.ToString() + " Removed");
MessageBox.Show(usbEvent.FriendlyName.ToString() + " Removed");
}
private int USBSend(byte[] data)
{
if (null == bepOut)
{
return(0);
}
int len = data.Length;
if (bepOut.XferData(ref data, ref len))
{
Console.WriteLine($"Send One Msg MsgType:0x{BitConverter.ToInt32(data, 36):X2}");
NLogHelper.DebugLog($"Send One Msg MsgType:0x{BitConverter.ToInt32(data, 36):X2}");
}
return(len);
}
