Rigol DS2000 Series Specifikace stáhnout pdf (Strana 615)

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3 Programming Demos RIGOL

DS2000 Programming Guide

3-25

8. Add codes.

Double-click Send and Read to enter the programming environment. Declare

the #include <visa.h> of the visa library in the header file and then add the

following codes.

ViSession defaultRM, vi;

char buf [256] = {0};

CString s,strTemp;

char* stringTemp;

ViChar buffer [VI_FIND_BUFLEN];

ViRsrc matches=buffer;

ViUInt32 nmatches;

ViFindList list;

viOpenDefaultRM (&defaultRM);

// acquire the USB source of visa

viFindRsrc(defaultRM, "USB?*", &list,&nmatches, matches);

viOpen (defaultRM,matches,VI_NULL,VI_NULL,&vi);

viPrintf (vi, "*RST\n");

// send the command received

m_combox.GetLBText(m_combox.GetCurSel(),strTemp);

strTemp = strTemp + "\n";

stringTemp = (char *)(LPCTSTR)strTemp;

viPrintf (vi,stringTemp);

// read the result

viScanf (vi, "%t\n", &buf);

// display the result

UpdateData (TRUE);

m_receive = buf;

UpdateData (FALSE);

viClose (vi);

viClose (defaultRM);

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