VB.NET VB.NET
Dim Ret, Srlen, Cmd(31) As Integer
Dim ErrCode As Integer
Dim Srbuf() As Byte = System.Text.Encoding.ASCII.GetBytes("*IDN?")
Cmd(0) = 3 ' Number of talkers and listeners (in master mode)
Cmd(1) = 1 ' Talker address
Cmd(2) = 3 ' Listener address
Cmd(3) = 7 ' Listener address
Srlen = Srbuf.Length ' Length of Data
Ret = GpTalkAsync(Cmd, Srlen, Srbuf)
' Completion check
While True
Ret = GpCheckAsync(0, ErrCode)
If (Ret != 140) Then
Exit While
End If
End While
C
DWORD Ret, Srlen, Cmd[31];
DWORD ErrCode;
char Srbuf[10];
Cmd[0] = 3; /* Number of talkers and listeners (in master mode)*/
Cmd[1] = 1; /* Talker address */
Cmd[2] = 3; /* Listener address */
Cmd[3] = 7; /* Listener address */
lstrcpy((char*)Srbuf, "*IDN?"); /* Data of Send */
Srlen = lstrlen((char*)Srbuf); /* Length of Data */
Ret = GpTalkAsync(Cmd, &Srlen, Srbuf);
/* Completion check */
while (TRUE) {
Ret = GpCheckAsync(0, &ErrCode);
if (Ret != 140) {
break;
}
}
C#
uint Ret, Srlen;
uint[] Cmd = new uint[31];
uint ErrCode;
string Srbuf;
Cmd[0] = 3; /* Number of talkers and listeners (in master mode)*/
Cmd[1] = 1; /* Talker address */
Cmd[2] = 3; /* Listener address */
Cmd[3] = 7; /* Listener address */
Srbuf = "*IDN?"; /* Data of Send */
Srlen = Srbuf.Length; /* Length of Data */
Ret = gpib.TalkAsync(Cmd, out Srlen, Srbuf);
/* Completion check */
while (TRUE) {
Ret = gpib.CheckAsync(0, out ErrCode);
if (Ret != 140) {
break;
}
}
Python
Ret, Srlen, Cmd = ctypes.c_ulong(), ctypes.c_ulong(), (ctypes.c_ulong * 31)()
ErrCode = ctypes.c_ulong()
Srbuf = (ctypes.c_ubyte * 10)()
Cmd[0] = 3 # Number of talkers and listeners (in master mode)
Cmd[1] = 1 # Talker address
Cmd[2] = 3 # Listener address
Cmd[3] = 7 # Listener address
Srlen.value = len("*IDN?".encode('UTF-8')) # Length of Data
ctypes.memmove(Srbuf, "*IDN?".encode('UTF-8'), Srlen.value) # Data of Send
Ret.value = GpibPy.GpTalkAsync(Cmd, ctypes.byref(Srlen), Srbuf)
# Completion check
while True:
Ret.value = GpibPy.GpCheckAsync(0, ctypes.byref(ErrCode))
if Ret.value != 140:
break