信号源远程控制

代码如下：

#include "C:\Program Files\IVI Foundation\VISA\WinNT\agvisa\include\visa.h"

#pragma comment(lib,"C:\\Program Files\\IVI Foundation\\VISA\\WinNT\\agvisa\\lib\\msc\\agvisa32.lib")

Char buf[255];

ViSession vi;

ViSession vi_SMIQ;

//打开SMIQ

viOpenDefaultRM(&vi);

if(VI_SUCCESS != viOpen(vi,GPIB0::28::INSTR, VI_NULL,VI_NULL, &vi_SMIQ)){

    //仪器打开失败

Return;

}

viPrintf(vi_SMIQ,"*CLS\n");

viPrintf(vi_SMIQ,"FREQ 1000MHZ\n");

    viPrintf(vi_SMIQ,"POW -50dBm\n");//cal:0

#ifdef N5182B

viPrintf(vi_SMIQ, ":OUTP:STAT OFF\n");//RF ON 

viPrintf(vi_SMIQ, ":OUTP:MOD:STAT OFF\n");//MOD ON

viPrintf(vi_SMIQ, ":DM:SOURce EXTernal\n");//Internal

viPrintf(vi_SMIQ, ":DM:IQ:STATE OFF\n");

//viPrintf(vi_SMIQ, ":DM:EXTernal:FILTer 40e6\n");

//viPrintf(vi_SMIQ, ":DM:MODulation:FILTer THR\n");//2.1e6 40e6

//viPrintf(vi_SMIQ, ":DM:MODulation:ATTen:AUTO\n");

//viPrintf(vi_SMIQ, ":DM:MODulation:FILTer:AUTO\n");

//viPrintf(vi_SMIQ, "DM:EXTernal:FILTer:AUTO\n");

//viPrintf(vi_SMIQ, ":DM:EXTernal:FILTer THRough\n");//40e6|THRough

//viPrintf(vi_SMIQ, ":DM:IQADjustment ON\n");

#else

viPrintf(vi_SMIQ,"OUTP:STAT ON\n");//RF ON smiq

viPrintf(vi_SMIQ,"MOD:STATE OFF\n");

#endif//*/

#ifdef N5182B 

viPrintf(vi_SMIQ, ":DM:IQ:STATE OFF\n");//IQ OFF

viPrintf(vi_SMIQ, ":OUTP ON\n");//RF ON

viPrintf(vi_SMIQ, "MOD:STATE OFF\n");//MOD OFF

#else//SMIQ

viPrintf(vi_SMIQ,"DM:IQ:STATE OFF\n");//IQ OFF

viPrintf(vi_SMIQ,"OUTP:STAT ON\n");//RF ON 

viPrintf(vi_SMIQ,"MOD:STATE OFF\n");//MOD OFF

#endif

viPrintf(vi_SMIQ,":SYST:COMM:GTL\n");

#ifdef N5182B

viPrintf(vi_SMIQ,":DM:SOURce EXTernal\n");

viPrintf(vi_SMIQ,":DM:STATE ON\n");//IQ ON

viPrintf(vi_SMIQ, ":OUTP ON\n");//RF ON

viPrintf(vi_SMIQ, ":OUTP:MOD ON\n");//MOD ON

viPrintf(vi_SMIQ,":POW:ALC 1\n");

viPrintf(vi_SMIQ,":POW:ALC:SEAR 1\n");//MANUAL

#else

viPrintf(vi_SMIQ,"DM:IQ:STATE ON\n");

#endif

    viClose(vi_SMIQ);