Agilent Technologies E4438C Instrukcja Obsługi Pobierz pdf (Strona 102)

Programming Examples

RS-232 Programming Examples

Chapter 296

if(viStatus){ // If operation fails, prompt user

printf("Could not open ViSession!\n");

printf("Check instruments and connections\n");

printf("\n");

exit(0);}

// initialize device

viStatus=viEnableEvent(vi, VI_EVENT_IO_COMPLETION, VI_QUEUE,VI_NULL);

viClear(vi); // Sends device clear command

// Set attributes for the session

viSetAttribute(vi,VI_ATTR_ASRL_BAUD,baud);

viSetAttribute(vi,VI_ATTR_ASRL_DATA_BITS,8);

viPrintf(vi, "*RST\n"); // Resets the signal generator

printf("The signal generator has been reset\n");

printf("Power level should be -135 dBm\n");

printf("\n"); // Prints new line character to the display

viClose(vi); // Closes session

viClose(defaultRM); // Closes default session

}

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Agilent Technologies E4438C Instrukcja Obsługi Strona 102