Agilent Technologies InfiniiVision 3000 DSO-X 3054A Instrukcja Obsługi Pobierz pdf (Strona 899)

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Programming Examples 37

Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 899

/* Analyze the captured waveform. */

analyze();

/* Close the vi session and the resource manager session. */

viClose(vi);

viClose(defaultRM);

}

/* Initialize the oscilloscope to a known state.

* --------------------------------------------------------------- */

void initialize (void)

{

/* Clear the interface. */

err = viClear(vi);

if (err != VI_SUCCESS) error_handler();

/* Get and display the device's *IDN? string. */

do_query_string("*IDN?");

printf("Oscilloscope *IDN? string: %s\n", str_result);

/* Clear status and load the default setup. */

do_command("*CLS");

do_command("*RST");

}

/* Capture the waveform.

* --------------------------------------------------------------- */

void capture (void)

{

int num_bytes;

FILE *fp;

/* Use auto-scale to automatically configure oscilloscope. */

do_command(":AUToscale");

/* Set trigger mode (EDGE, PULSe, PATTern, etc., and input source. */

do_command(":TRIGger:MODE EDGE");

do_query_string(":TRIGger:MODE?");

printf("Trigger mode: %s\n", str_result);

/* Set EDGE trigger parameters. */

do_command(":TRIGger:EDGE:SOURCe CHANnel1");

do_query_string(":TRIGger:EDGE:SOURce?");

printf("Trigger edge source: %s\n", str_result);

do_command(":TRIGger:EDGE:LEVel 1.5");

do_query_string(":TRIGger:EDGE:LEVel?");

printf("Trigger edge level: %s\n", str_result);

do_command(":TRIGger:EDGE:SLOPe POSitive");

do_query_string(":TRIGger:EDGE:SLOPe?");

printf("Trigger edge slope: %s\n", str_result);

/* Save oscilloscope configuration. */

/* Read system setup. */

num_bytes = do_query_ieeeblock(":SYSTem:SETup?");

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