double Keithley2100Lib::MeasureACVoltage(int range){
qDebug()<<"MeasureACVoltage-index:"<<range;
bool ok=true;
switch(range){
case 9:
writeKeithley((char*)"MEAS:VOLT:AC? 0.1");
break;
case 10:
writeKeithley((char*)"MEAS:VOLT:AC? 1");
break;
case 11:
writeKeithley((char*)"MEAS:VOLT:AC? 10");
break;
case 12:
writeKeithley((char*)"MEAS:VOLT:AC? 100");
break;
case 13:
case 14:
writeKeithley((char*)"MEAS:VOLT:AC? 1000");
break;
}
// usleep(500000);
sleep(1);
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
double Keithley2100Lib::MeasureResistance(int range){
qDebug()<<"MeasureResistance-index:"<<range;
bool ok=true;
switch(range){
case 0:
writeKeithley((char*)"MEAS:RES? 100E0");
break;
case 1:
writeKeithley((char*)"MEAS:RES? 1E3");
break;
case 2:
writeKeithley((char*)"MEAS:RES? 10E3");
break;
case 3:
writeKeithley((char*)"MEAS:RES? 100E3");
break;
case 4:
writeKeithley((char*)"MEAS:RES? 1E6");
break;
case 5:
writeKeithley((char*)"MEAS:RES? 10E6");
usleep(100000);
break;
case 6:
writeKeithley((char*)"MEAS:RES? 100E6");
usleep(100000);
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
double Keithley2100Lib::MeasureDCVoltage(int range){
qDebug()<<"MeasureDCVoltage-index:"<<range;
bool ok=true;
switch(range){
case 15:
writeKeithley((char*)"MEAS:VOLT:DC? 0.1");
break;
case 16:
writeKeithley((char*)"MEAS:VOLT:DC? 1");
break;
case 17:
writeKeithley((char*)"MEAS:VOLT:DC? 10");
break;
case 18:
writeKeithley((char*)"MEAS:VOLT:DC? 100");
break;
case 19:
case 20:
writeKeithley((char*)"MEAS:VOLT:DC? 1000");
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
Keithley2100Lib::Keithley2100Lib(QObject *parent) :QObject(parent)
{
fp=open("/dev/usbtmc0",O_RDWR);
writeKeithley((char*)"*IDN?");
qDebug()<<readKeithley();
clearKeithley();
resetKeithley();
}
double Keithley2100Lib::MeasureContinuity(int range){
qDebug()<<"MeasureContinuity-index:"<<range;
bool ok=true;
switch(range){
case 7:
writeKeithley((char*)"MEAS:CONT");
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
double Keithley2100Lib::MeasureDiode(int range){
qDebug()<<"MeasureDiode-index:"<<range;
bool ok=true;
switch(range){
case 8:
writeKeithley((char*)"MEAS:DIOD");
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
float getKeithley(){
float measurement;
float mantissa;
int exponent;
int tooHigh=0;
int tooLow=0;
measurement=readKeithley();
printf("%f\n",measurement);
mantissa=frexp(measurement,&exponent);
printf("BEFORE DECIMAL: %f\n",mantissa);
printf("AFTER DECIMAL: %f\n",exponent);
if((mantissa > 1)) tooHigh=1;
if((mantissa < 1 && exponent < .2)) tooLow=1;
while(tooLow || tooHigh){
printf("Too High: %d, Too Low: %d\n",tooHigh,tooLow);
if(tooLow){
decreaseKeithleyRange();
} else if(tooHigh){
increaseKeithleyRange();
} else {
return measurement;
}
tooHigh=0;
tooLow=0;
measurement=readKeithley();
mantissa=frexp(measurement,&exponent);
printf("BEFORE DECIMAL: %f\n",mantissa);
printf("AFTER DECIMAL: %f\n",exponent);
if((mantissa > 1 && exponent > .4)) tooHigh=1;
if((mantissa < 1 && exponent < .2)) tooLow=1;
}
return measurement;
}
double Keithley2100Lib::MeasureACCurrent(int range){
qDebug()<<"MeasureACCurrent-index:"<<range;
bool ok=true;
switch(range){
case 26:
case 27:
case 28:
case 29:
writeKeithley((char*)"MEAS:CURR:AC? 1");
break;
case 30:
writeKeithley((char*)"MEAS:CURR:AC? 3");
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
double Keithley2100Lib::MeasureDCCurrent(int range){
qDebug()<<"MeasureDCCurrent-index:"<<range;
bool ok=true;
switch(range){
case 1:
writeKeithley((char*)"MEAS:CURR:DC? 0.01");
break;
case 21:
case 22:
case 23:
writeKeithley((char*)"MEAS:CURR:DC? 0.1");
break;
case 24:
writeKeithley((char*)"MEAS:CURR:DC? 1");
break;
case 25:
writeKeithley((char*)"MEAS:CURR:DC? 3");
break;
}
double retData=QString(readKeithley()).toDouble(&ok);
return retData;
}
