Keysight 34420A - Page 269

Application Programs 6
Keysight 34420A User’s Guide 265
... continued
/* Use Serial Poll to read the Status Byte and clear all bits */
IOSPOLL(ADDR, &stat_cond);
/* Call the function to check for errors */
check_error("meter_meas");
}
/**************************************************************************/
void command_exe(char *commands[], int length)
{
/* Execute one command string at a time using a loop */
int loop;
for (loop = 0; loop length; loop++)
{
IOOUTPUTS(ADDR, commands[loop], strlen(commands[loop]));
}
}
/**************************************************************************/
void check_error(char *func_name)
{
/* Read error queue to determine if errors have occurred */
char message[80];
int length = 80;
IOOUTPUTS(ADDR, "SYST:ERR?", 9); /* Read the error queue */
IOENTERS(ADDR, message, &length); /* Enter error string */
while (atoi(message) != 0) /* Loop until all errors are read */
{
printf("Error %s in function %s\n\n", message, func_name);
IOOUTPUTS(ADDR, "SYST:ERR?", 9);
IOENTERS(ADDR, message, &length);
}
}
/**************************************************************************/