Keysight Technologies InfiniiVision MSO-X 4154A

1478 Keysight InfiniiVision 4000 X-Series Oscilloscopes Programmer's Guide
42 Programming Examples
char *command;
int num_bytes;
{
char message[80];
int data_length;
strcpy(message, command);
strcat(message, " #8%08d");
err = viPrintf(vi, message, num_bytes);
if (err != VI_SUCCESS) error_handler();
err = viBufWrite(vi, ieeeblock_data, num_bytes, &data_length);
if (err != VI_SUCCESS) error_handler();
check_instrument_errors();
return(data_length);
}
/* Query for a string result.
* --------------------------------------------------------------- */
void do_query_string(query)
char *query;
{
char message[80];
strcpy(message, query);
strcat(message, "\n");
err = viPrintf(vi, message);
if (err != VI_SUCCESS) error_handler();
err = viScanf(vi, "%t", str_result);
if (err != VI_SUCCESS) error_handler();
check_instrument_errors();
}
/* Query for a number result.
* --------------------------------------------------------------- */
void do_query_number(query)
char *query;
{
char message[80];
strcpy(message, query);
strcat(message, "\n");
err = viPrintf(vi, message);
if (err != VI_SUCCESS) error_handler();
err = viScanf(vi, "%lf", &num_result);
if (err != VI_SUCCESS) error_handler();
check_instrument_errors();
}