void *gpibPort::portOpen(void)
{
int ret;
int gpibAddress;
int sta;
gpibAddress = atoi(deviceString);
handle = ibdev( BDINDEX, gpibAddress, NO_SECONDARY_ADDR, T1s, 1, 0 );
if ( ibsta & ERR )
{
GPIBCleanup( (char*)"Unable to open device" );
exit( -1 );
}
sta = ibconfig( BDINDEX, IbcAUTOPOLL, 0 ); // enable auto serial polling
if ( sta & ERR )
{
GPIBCleanup( (char*)"Problem setting Autopoll" );
exit( -1 );
}
if (eosMode)
{
ibeos( handle, eosMode);
}
if (eotMode)
{
ibeot( handle, eotMode);
}
ibtmo( handle, timeout);
portService();
Dev = &handle;
return Dev;
}
int main( int argc, char *argv[] )
{
int board = 0;
int eos_mode = 0;
char *file_path;
int status;
int retval;
FILE *filep;
struct stat file_stats;
uint8_t *buffer;
unsigned long buffer_length;
if( argc < 2 )
{
fprintf( stderr, "Must provide file path as arguement\n" );
return -1;
}
file_path = argv[ 1 ];
filep = fopen( file_path, "r" );
if( filep == NULL )
{
perror( "fopen()");
return -1;
}
retval = fstat( fileno( filep ), &file_stats );
if( retval < 0 )
{
perror( "fstat()");
return -1;
}
buffer_length = file_stats.st_size;
buffer = malloc( buffer_length );
if( buffer == NULL )
{
perror( "malloc()");
return -1;
}
if( fread( buffer, 1, buffer_length, filep ) != buffer_length )
{
perror( "fread()" );
return -1;
}
fclose( filep );
status = ibeos( board, eos_mode );
if( status & ERR )
{
fprintf( stderr, "ibeos() failed\n" );
fprintf( stderr, "%s\n", gpib_error_string( ThreadIberr() ) );
return -1;
}
status = ibtmo( board, TNONE );
if( status & ERR )
{
fprintf( stderr, "ibtmo() failed\n" );
fprintf( stderr, "%s\n", gpib_error_string( ThreadIberr() ) );
return -1;
}
status = ibconfig( board, IbcTIMING, T1_DELAY_350ns );
if( status & ERR )
{
fprintf( stderr, "ibconfig() failed\n" );
fprintf( stderr, "%s\n", gpib_error_string( ThreadIberr() ) );
return -1;
}
status = ibwait( board, TACS );
if( ( status & TACS ) == 0 )
{
fprintf( stderr, "ibwait() for TACS failed\n" );
fprintf( stderr, "%s\n", gpib_error_string( ThreadIberr() ) );
return -1;
}
status = ibwrt( board, buffer, buffer_length );
if( status & ERR )
{
fprintf( stderr, "ibwrt() failed\n" );
fprintf( stderr, "%s\n", gpib_error_string( ThreadIberr() ) );
return -1;
}
free( buffer );
return 0;
}
bool CGPIBDevice::ScanDevice(CArray<IO_ADDRESS> &addresses)
{
IO_ADDRESS addrnode;
addresses.RemoveAll();
int res;
if (m_hGPIBDLL == NULL && !LoadGPIBDriver())
{
return false;
}
short primary_addrs[MAX_GPIB_PRIM_ADDR];
short addr[MAX_ADDRESSES];
for (int nAddr = 0; nAddr < MAX_ADDRESSES; nAddr++)
{
addr[nAddr] = (short)0xFFFF;
}
for (int nAddr = 0; nAddr < (MAX_GPIB_PRIM_ADDR - 2); nAddr++)
{
primary_addrs[nAddr] = (short)(nAddr + 1);
}
primary_addrs[MAX_GPIB_PRIM_ADDR - 2] = (short)0xFFFF;
Log(_T("GPIB device scanning start!"));
for (int nBus = 0; nBus < MAX_GPIB_CARD; nBus++)
{
ibonl(nBus, 1); if (ibsta & ERR) continue;
ibconfig(nBus, IbcSC, 1); if (ibsta & ERR) continue;
ibsic(nBus); if (ibsta & ERR) continue;
ibconfig(nBus, IbcSRE, 1); if (ibsta & ERR) continue;
ibconfig(nBus, IbcTIMING, 1); if (ibsta & ERR) continue;
ibask(nBus, IbaPAD, &res); if (ibsta & ERR) continue;
ibask(nBus, IbaSAD, &res); if (ibsta & ERR) continue;
FindLstn(nBus, primary_addrs, addr, MAX_ADDRESSES - 1);
if (ibsta & ERR) continue;
for (int i = 0; i < (MAX_ADDRESSES - 1); i++)
{
if (addr[i] == -1) break;
memset(&addrnode, 0, sizeof(IO_ADDRESS));
addrnode.nBus = nBus;
addrnode.eType = DRV_GPIB;
addrnode.nPrimAddr = (addr[i] & 0xFF);
addrnode.nSecAddr = ((addr[i] & 0xFF00) >> 8);
addrnode.bPrimary = (i == 0 || addresses[i - 1].nPrimAddr != addrnode.nPrimAddr);
if (addrnode.bPrimary && !Open(nBus, addrnode.nPrimAddr, addrnode.nSecAddr)) continue;
if (!addrnode.bPrimary)
strcpy_s(addrnode.sDevIdentity, addresses[i - 1].sDevIdentity);
else
{
int nReadLen = MAX_DEV_IDN_LEN;
CString strIDN;
if (!Query("*IDN?", nReadLen, addrnode.sDevIdentity, 1000))
{
Log(CCommon::FormatString(_T("Failed to query identity of device at GPIB::%d::%d::%d"), nBus, addrnode.nPrimAddr, addrnode.nSecAddr));
Close();
continue;
}
Close();
}
addresses.Add(addrnode);
}
}
if (addresses.GetCount() == 0)
{
Log(_T("Found no GPIB device!"));
return false;
}
return true;
}