From C plus plus To LabVIEW

[jo_BTL]

Hi,
Anyone has any idea for the following program by LabVIEW. Need your help....PLEASESSSSS
/ here this program will read in data
// it is assumed that a previous high signal is already sent to
// the microcontroller and data is ready to read
// the start conversion signal is send by the end of the procedure
// assuming next conversion will be there.
// This procedure can be used only when to make a series of conversions.
// The first data should be neglected.
int getdata(void)
{
unsigned int a, b=0, c, d;
outportb(CONTROL, 0x31); //set the control bit 0 to 0
while (!int_occured);
a = inportb(STATUS)>>0x03; // only upper 5 bits can be used, shift them to right
b = inportb(DATA); // both 8 bits will be used
if (a & 0x10)
a = a & 0x07; // the bit 7 is inverted, and bit 6
else a = (a & 0x07) | 0x08; // is just the end of conversion signal
// So, invert bit 7 and take out bit 6
c = ((a << 0x08) | b); // The final 12 bit data
int_occured = 0;
outportb(CONTROL, 0x30); // set the control bit 1
return (c);

//
void open_intserv(void)
{
int int_mask;
disable();
oldfunc = getvect(intlev);
setvect(intlev, intserv);
int_mask=inportb(0x21);
outportb(0x21, int_mask & ~0x80);
enable();
}

[Niko]

If you already wrote the code in C++, can't you create a DLL from this and
use this in LabVIEW?

Niko

[Enrique]

You can create a dynamic link library (.dll) that you can call from LabVIEW or a Code Interface Node (CIN). The instructions on how to make any of those are in National Instruments manual Using External Code in LabVIEW, which is included with LabVIEW, or you can download it from NI website.

There are several examples and tutorials at NI Developer Zone:

Using Code Interface Nodes (CIN) in LabVIEW

How to Build a DLL with Visual C++

Writing Win32 Dynamic Link Libraries (DLLs) and Calling Them from LabVIEW

Regards;
Enrique