public static unsafe bool GetStrobe(this SmartScopeHeader hdr, STR s)
{
int offset = Constants.HDR_STROBES[s];
byte reg = hdr.strobes[offset / 8];
return(Utils.IsBitSet(reg, offset % 8));
}
public static int GetAcquisition(this ISmartScopeHardwareUsb usb, byte[] buffer)
{
usb.GetData(buffer, 0, Constants.SZ_HDR);
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
SmartScopeHeader hdr = (SmartScopeHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SmartScopeHeader));
handle.Free();
if (!hdr.IsValid())
{
Logger.Error("Invalid header magic");
return(0);
}
if (hdr.flags.HasFlag(HeaderFlags.TimedOut))
{
return(Constants.SZ_HDR);
}
if (hdr.flags.HasFlag(HeaderFlags.IsOverview))
{
usb.GetData(buffer, Constants.SZ_HDR, Constants.SZ_OVERVIEW);
return(Constants.SZ_HDR + Constants.SZ_OVERVIEW);
}
if (hdr.n_bursts == 0)
{
throw new ScopeIOException("number of bursts in this USB pacakge is 0, cannot fetch");
}
int len = hdr.n_bursts * hdr.bytes_per_burst;
usb.GetData(buffer, Constants.SZ_HDR, len);
return(Constants.SZ_HDR + len);
}
public int GetAcquisition(byte[] buffer)
{
try
{
if (dataSocket == null)
{
byte[] portBytes = Request(Net.Net.Command.DATA_PORT);
this.dataPort = BitConverter.ToUInt16(portBytes, 0);
dataClient.Connect(this.serverIp, this.dataPort);
dataClient.ReceiveBufferSize = Net.Net.DATA_SOCKET_BUFFER_SIZE;
dataSocket = dataClient.Client;
dataSocket.ReceiveTimeout = Net.Net.TIMEOUT_RX;
}
SocketReceive(dataSocket, 0, Constants.SZ_HDR, buffer);
GCHandle handle = GCHandle.Alloc(buffer, GCHandleType.Pinned);
SmartScopeHeader hdr = (SmartScopeHeader)Marshal.PtrToStructure(handle.AddrOfPinnedObject(), typeof(SmartScopeHeader));
handle.Free();
if (!hdr.IsValid())
{
Logger.Error("Invalid header magic");
return(0);
}
if (hdr.flags.HasFlag(HeaderFlags.TimedOut))
{
return(Constants.SZ_HDR);
}
if (hdr.flags.HasFlag(HeaderFlags.IsOverview))
{
SocketReceive(dataSocket, Constants.SZ_HDR, Constants.SZ_OVERVIEW, buffer);
return(Constants.SZ_HDR + Constants.SZ_OVERVIEW);
}
if (hdr.n_bursts == 0)
{
throw new ScopeIOException("number of bursts in this USB pacakge is 0, cannot fetch");
}
int len = hdr.n_bursts * hdr.bytes_per_burst;
SocketReceive(dataSocket, Constants.SZ_HDR, len, buffer);
return(Constants.SZ_HDR + len);
}
catch (SocketException se)
{
throw new ScopeIOException("Socket exception: " + se.Message);
}
}
public static unsafe byte GetRegister(this SmartScopeHeader hdr, REG r)
{
return(hdr.regs[Constants.HDR_REGS[r]]);
}
public static unsafe bool IsValid(this SmartScopeHeader hdr)
{
return(hdr.magic[0] == 'L' && hdr.magic[1] == 'N');
}