Programming Examples
38
Keysight P9241/42/43A Oscilloscopes SCPI Programmer's Guide
1243
/* Analyze the captured waveform.
* --------------------------------------------------------------- */
void analyze (void)
{
double wav_format;
double acq_type;
double wav_points;
double avg_count;
double x_increment;
double x_origin;
double x_reference;
double y_increment;
double y_origin;
double y_reference;
FILE *fp;
int num_bytes;
/* Number of bytes returned from instrument. */
int i;
/* Make a couple of measurements.
* ------------------------------------------------------------- */
do_command(":MEASure:SOURce CHANnel1");
do_query_string(":MEASure:SOURce?");
printf("Measure source: %s\n", str_result);
do_command(":MEASure:FREQuency");
do_query_number(":MEASure:FREQuency?");
printf("Frequency: %.4f kHz\n", num_result / 1000);
do_command(":MEASure:VAMPlitude");
do_query_number(":MEASure:VAMPlitude?");
printf("Vertical amplitude: %.2f V\n", num_result);
/* Download the screen image.
* ------------------------------------------------------------- */
do_command(":HARDcopy:INKSaver OFF");
/* Read screen image. */
num_bytes = do_query_ieeeblock(":DISPlay:DATA? PNG, COLor");
printf("Screen image bytes: %d\n", num_bytes);
/* Write screen image bytes to file. */
fp = fopen ("c:\\scope\\data\\screen.png", "wb");
num_bytes = fwrite(ieeeblock_data, sizeof(unsigned char), num_bytes,
fp);
fclose (fp);
printf("Wrote screen image (%d bytes) to ", num_bytes);
printf("c:\\scope\\data\\screen.png.\n");
/* Download waveform data.
* ------------------------------------------------------------- */
/* Set the waveform points mode. */
do_command(":WAVeform:POINts:MODE RAW");
do_query_string(":WAVeform:POINts:MODE?");
printf("Waveform points mode: %s\n", str_result);
Содержание P9241
Страница 1: ...Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide...
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Страница 36: ...36 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 1 What s New...
Страница 41: ...Setting Up 2 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 41...
Страница 44: ...44 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 2 Setting Up...
Страница 222: ...222 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 7 Root Commands...
Страница 244: ...244 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 8 ACQuire Commands...
Страница 256: ...256 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 9 CALibrate Commands...
Страница 278: ...278 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 10 CHANnel n Commands...
Страница 328: ...328 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 15 EXTernal Trigger Commands...
Страница 386: ...386 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 17 FUNCtion m Commands...
Страница 390: ...390 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 18 HCOPY Commands...
Страница 416: ...416 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 20 MARKer Commands...
Страница 498: ...498 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 21 MEASure Commands...
Страница 532: ...532 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 22 MTESt Commands...
Страница 572: ...572 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 24 SAVE Commands...
Страница 596: ...596 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 25 SBUS n Commands SBUS n A429 SOURce on page 588...
Страница 900: ...900 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 28 TIMebase Commands...
Страница 1080: ...1080 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 31 WGEN w Commands...
Страница 1142: ...1142 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 34 Error Messages...
Страница 1204: ...1204 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide 37 More About Oscilloscope Commands...
Страница 1344: ...1344 Keysight P9241 42 43A Oscilloscopes SCPI Programmer s Guide Index...