public static double ReadDB(string addr, string window, string m1)
{
int resourceManager = 0, viError;
int session = 0;
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
viError = AgVisa32.viOpen(resourceManager, addr.ToString(),
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
System.Threading.Thread.Sleep(100);
viError = AgVisa32.viPrintf(session, "CALC:PAR:SEL '" + window + "'" + "\n");
viError = AgVisa32.viPrintf(session, "CALC:" + m1 + ":Y?" + "\n");
string res = "";
AgVisa32.viRead(session, out res, 100);
System.Threading.Thread.Sleep(100);
AgVisa32.viClose(session);
AgVisa32.viClose(resourceManager);
double dtmp = double.Parse(res.ToString().Split(',')[0]);
return(dtmp);
}
/// <summary>
/// Open the underlying driver (VISA, Eiger, whatever)
///
/// If you need a shared session (VI_SHARED_LOCK), call Open() with exclusive==false then call LockSession.
/// </summary>
/// <param name="resource">the VISA resource descriptor. Ignored if simulated is true</param>
/// <param name="timeout">I/O timeout in ms ... not all drivers/sessions use this</param>
/// <param name="simulated">if true, no connection to hardware will be made</param>
/// <param name="exclusive">if true opens session exclusively (VI_EXCLUSIVE_LOCK). if false opens session with no lock (VI_NO_LOCK)</param>
public void Open(string resource, int timeout, bool simulated, bool exclusive)
{
// If already open, report an error...
if (IsSimulated || mSession != 0)
{
throw new IOException("VisaSession is already open");
}
mViDesc = resource;
mTimeout = timeout;
// Cache the resource descriptor -- may be used to open additional sessions to the same resource
ResourceDescriptor = resource;
Timeout = timeout;
mDefaultTimeout = timeout;
if (simulated)
{
// NOTE: if you want control of these values, use MockSession
IsSimulated = true;
mSlot = 1;
mModelCode = 0x1234;
mModelName = resource;
mSession = resource.GetHashCode();
return;
}
// Make sure cached values are cleared
mSlot = -1;
mModelCode = -1;
mModelName = string.Empty;
CheckStatus(AgVisa32.viOpen(
mResourceManager,
resource,
(exclusive) ? AgVisa32.VI_EXCLUSIVE_LOCK : AgVisa32.VI_NO_LOCK,
timeout,
out mSession));
// Cache the locked status
IsSessionLocked = exclusive;
// Use the supplied timeout as the default timeout for I/O operations
CheckStatus(AgVisa32.viSetAttribute(mSession, AgVisa32.VI_ATTR_TMO_VALUE, timeout));
// NOTE: DMA default settings ... For Agilent IOLS 16.3.16603 these are
// VI_ATTR_DMA_ALLOW_EN 0
// VI_ATTR_SRC_INCREMENT 1
// VI_ATTR_DEST_INCREMENT 1
// VI_AGATTR_DMA_WRITE_THRESHOLD 512
// VI_AGATTR_DMA_READ_THRESHOLD 48
// VI_AGATTR_DMA_CHANNEL -1
}
/// <summary>
/// 建立连接
/// </summary>
public virtual void VisaOpen()
{
_ViError = AgVisa32.viOpenDefaultRM(out _ResourceManager);
if (_ViError != 0)
{
throw new Exception("error:" + _InstrAddr);
}
_ViError = AgVisa32.viOpen(_ResourceManager, _InstrAddr,
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out _Session);
if (_ViError != 0)
{
throw new Exception("error:" + _InstrAddr);
}
}
public void VisaOpen(string addr)
{
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
if (viError != 0)
{
throw new Exception("error:" + addr);
}
viError = AgVisa32.viOpen(resourceManager, addr,
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
if (viError != 0)
{
throw new Exception("error:" + addr);
}
}
public static void VisaWrite(string ip, string command)
{
StringBuilder gpib = new StringBuilder();
gpib = gpib.AppendFormat("TCPIP0::{0}::inst0::INSTR", ip);
int resourceManager = 0, viError;
int session = 0;
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
viError = AgVisa32.viOpen(resourceManager, gpib.ToString(),
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
System.Threading.Thread.Sleep(100);
viError = visa32.viPrintf(session, command + "\n");
System.Threading.Thread.Sleep(100);
AgVisa32.viClose(session);
AgVisa32.viClose(resourceManager);
}
public static void SetMark(string p, string m1, double value)
{
StringBuilder gpib = new StringBuilder();
gpib = gpib.AppendFormat("TCPIP0::{0}::inst0::INSTR", p);
int resourceManager = 0, viError;
int session = 0;
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
viError = AgVisa32.viOpen(resourceManager, gpib.ToString(),
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
System.Threading.Thread.Sleep(100);
viError = visa32.viPrintf(session, "CALC:" + m1 + ":X " + value + "MHz" + "\n");
System.Threading.Thread.Sleep(100);
AgVisa32.viClose(session);
AgVisa32.viClose(resourceManager);
}
public static void OpenPWR(string p, int dbm)
{
StringBuilder gpib = new StringBuilder();
gpib = gpib.AppendFormat("TCPIP0::{0}::inst0::INSTR", p);
int resourceManager = 0, viError;
int session = 0;
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
viError = AgVisa32.viOpen(resourceManager, gpib.ToString(),
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
System.Threading.Thread.Sleep(100);
viError = visa32.viPrintf(session, ":OUTPut ON" + "\n");
viError = visa32.viPrintf(session, ":POWer " + dbm + " dBm" + "\n");
System.Threading.Thread.Sleep(100);
AgVisa32.viClose(session);
AgVisa32.viClose(resourceManager);
}
public static bool MmemLoad(string addr, string filename)
{
try
{
int resourceManager = 0, viError;
int session = 0;
viError = AgVisa32.viOpenDefaultRM(out resourceManager);
viError = AgVisa32.viOpen(resourceManager, addr.ToString(),
AgVisa32.VI_NO_LOCK, AgVisa32.VI_TMO_IMMEDIATE, out session);
System.Threading.Thread.Sleep(100);
viError = visa32.viPrintf(session, "MMEM:LOAD '" + filename + "'" + "\n");
System.Threading.Thread.Sleep(100);
AgVisa32.viClose(session);
AgVisa32.viClose(resourceManager);
return(true);
}
catch
{
return(false);
}
}