Agilent Technologies InfiniiVision 3000 DSO-X 3054A Manual de servicio descargar pdf (Pagina 905)

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Programming Examples 37

Agilent InfiniiVision 3000 X-Series Oscilloscopes Programmer's Guide 905

char *query;

{

char message[80];

strcpy(message, query);

strcat(message, "\n");

err = viPrintf(vi, message);

if (err != VI_SUCCESS) error_handler();

err = viScanf(vi, "%,10lf\n", dbl_results);

if (err != VI_SUCCESS) error_handler();

check_instrument_errors();

}

/* Query for an IEEE definite-length block result.

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

int do_query_ieeeblock(query)

char *query;

{

char message[80];

int data_length;

strcpy(message, query);

strcat(message, "\n");

err = viPrintf(vi, message);

if (err != VI_SUCCESS) error_handler();

data_length = IEEEBLOCK_SPACE;

err = viScanf(vi, "%#b\n", &data_length, ieeeblock_data);

if (err != VI_SUCCESS) error_handler();

if (data_length == IEEEBLOCK_SPACE )

{

printf("IEEE block buffer full: ");

printf("May not have received all data.\n");

}

check_instrument_errors();

return(data_length);

}

/* Check for instrument errors.

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

void check_instrument_errors()

{

char str_err_val[256] = {0};

char str_out[800] = "";

err = viQueryf(vi, ":SYSTem:ERRor?\n", "%t", str_err_val);

if (err != VI_SUCCESS) error_handler();

while(strncmp(str_err_val, "+0,No error", 3) != 0 )

{

strcat(str_out, ", ");

strcat(str_out, str_err_val);

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Agilent Technologies InfiniiVision 3000 DSO-X 3054A Manual de servicio Pagina 905

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