int lecroy_wait_all_averages(VXI11_CLINK * clink, unsigned long timeout)
{
char cmd[256];
char buf[256];
int chan_on[4];
int mask;
int l;
int inr = 0;
int old_inr = 0;
int test = 0;
/* Go through all maths channels, see if they're turned on or not */
for (l = 0; l < 4; l++) {
sprintf(cmd, "F%d:TRACE?", l + 1);
memset(buf, 0, 256);
vxi11_send_and_receive(clink, cmd, buf, 256, timeout);
if (strstr(buf, "ON") != NULL) {
chan_on[l] = 1;
} else {
chan_on[l] = 0;
}
}
/* Now investigate which maths channels (that are turned on) are averaging */
l = 0;
while (l < 4) {
if (chan_on[l] == 1) {
sprintf(cmd, "F%d:DEF?", l + 1);
memset(buf, 0, 256);
vxi11_send_and_receive(clink, cmd, buf, 256, timeout);
if (strstr(buf, "AVG") == NULL) {
chan_on[l] = 0;
}
}
l++;
}
/* make the appropriate mask */
mask =
(chan_on[0] * 256) + (chan_on[1] * 512) + (chan_on[2] * 1024) +
(chan_on[3] * 2048);
while (test == 0) {
inr =
(int)vxi11_obtain_long_value_timeout(clink, "INR?",
timeout);
old_inr = old_inr | inr;
if ((old_inr & mask) == mask)
test = 1;
else
test = 0;
}
return 0;
}
long vxi11_obtain_long_value(CLINK *clink, const char *cmd, unsigned long timeout) {
char buf[50]; /* 50=arbitrary length... more than enough for one number in ascii */
memset(buf, 0, 50);
if (vxi11_send_and_receive(clink, cmd, buf, 50, timeout) != 0) {
printf("Returning 0\n");
return 0;
}
return strtol(buf, (char **)NULL, 10);
}
double vxi11_obtain_double_value(CLINK *clink, const char *cmd, unsigned long timeout) {
char buf[50]; /* 50=arbitrary length... more than enough for one number in ascii */
double val;
memset(buf, 0, 50);
if (vxi11_send_and_receive(clink, cmd, buf, 50, timeout) != 0) {
printf("Returning 0.0\n");
return 0.0;
}
val = strtod(buf, (char **)NULL);
return val;
}
int lecroy_get_bytes_per_point(VXI11_CLINK * clink)
{
char buf[256];
memset(buf, 0, 256);
vxi11_send_and_receive(clink, "COMM_FORMAT?", buf, 256,
VXI11_READ_TIMEOUT);
if (strstr(buf, "WORD") != NULL)
return 2;
else
return 1;
}
int lecroy_get_segmented_status(VXI11_CLINK * clink)
{
char buf[256];
int segmented_status;
vxi11_send_and_receive(clink,
"VBS? 'Return=app.Acquisition.Horizontal.SampleMode'",
buf, 256, VXI11_READ_TIMEOUT);
segmented_status = strncmp(buf, "Sequence", 8);
if (segmented_status == 0)
return 1;
else
return 0;
}
/* Annoyingly, INSP? queries don't just return a number, they also return the
* paramater name you want to inspect, followed by spaces, a ":", then a space.
* In order to parse these, we look for the ":" */
double lecroy_obtain_insp_double(VXI11_CLINK * clink, const char *cmd,
unsigned long timeout)
{
char buf[256]; /* 256=arbitrary length... */
int l = 0;
memset(buf, 0, 256);
if (vxi11_send_and_receive(clink, cmd, buf, 256, timeout) != 0) {
printf("Error: lecroy_obtain_insp_double returning 0.0\n");
return 0.0;
}
while ((buf[l] != ':') && (l < 256))
l++;
if (l == 256) {
printf
("Error: problem parsing returned string in lecroy_obtain_insp_double. String:\n");
printf("%s\nReturning 0.0\n", buf);
return 0.0;
}
return strtod(buf + l + 2, (char **)NULL);
}