Bnc 1201 - 6 1/2 Digit Digital Multimeter Uživatelský manuál stáhnout pdf (Strana 171)

172

void main(int argc, char* argv[])

{

// TODO: Add your control notification handler code here

HINSTANCE hUSBTMCLIB; // for USBTMC HANDLE

unsigned long m_defaultRM_usbtmc, m_instr_usbtmc;

unsigned long m_findList_usbtmc;

unsigned long m_nCount;

ViStatus status;

int m_Timeout = 7000;

char *pStrout; // Write out data buffer

BYTE pStrin[64]; // Read in data buffer

int len;

ULONG nWritten;

ULONG nRead = 0;

char buffer[256];

char instrDescriptor[256];

// Load the NI-VISA library for USBTMC device

hUSBTMCLIB = LoadLibrary ("visa32.dll");

if (!hUSBTMCLIB)

{

MessageBox(NULL, "NIVISA for USBTMC library not found.", "1201

multimeter device test", MB_OK);

return;

}

// Link the libraries

signed long (__stdcall *PviOpenDefaultRM_usb) (unsigned long *vi);

signed long (__stdcall *PviFindRsrc_usb) (unsigned long sesn, char

*expr, unsigned long *vi,

unsigned long

*retCnt, char far desc[]);

signed long (__stdcall *PviOpen_usb) (unsigned long sesn,

char *name, unsigned long mode,

unsigned long

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Bnc 1201 - 6 1/2 Digit Digital Multimeter Uživatelský manuál Strana 171