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FMC TDC 1ns 5cha - Software
Commit 3d0a728f authored by Federico Vaga's avatar Federico Vaga
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tools: read last time stamp mode 

Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
parent 598a50d7
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Showing with 15 additions and 6 deletions
tools/fmc-tdc-tstamp.c
View file @ 3d0a728f
......@@ -99,6 +99,7 @@ static void help(char *name)
fprintf(stderr, " -r: read buffer, no acquisition start\n");
fprintf(stderr, " -m: buffer mode: 'fifo' or 'circ'\n");
fprintf(stderr, " -l: maximum buffer lenght\n");
fprintf(stderr, " -L:\tkeep reading from the last hardware timestamp instead than from the proper buffer\n");
fprintf(stderr, " -h: print this message\n\n");
fprintf(stderr, " channels enumerations go from %d to %d \n\n",
FMCTDC_CH_1, FMCTDC_CH_LAST);
......@@ -150,7 +151,7 @@ int main(int argc, char **argv)
ref[i] = -1;
/* Parse Options */
while ((opt = getopt(argc, argv, "hwns:d:frm:l:c:")) != -1) {
while ((opt = getopt(argc, argv, "hwns:d:frm:l:Lc:")) != -1) {
switch (opt) {
case 'h':
case '?':
......@@ -203,6 +204,9 @@ int main(int argc, char **argv)
}
ref[b] = a;
break;
case 'L':
last = 1;
break;
case 'c':
if (chan_count >= FMCTDC_NUM_CHANNELS) {
fprintf(stderr,
......@@ -292,7 +296,7 @@ int main(int argc, char **argv)
/* Read Time-Stamps */
n = 0;
while ((n < n_samples || n_samples <= 0) && (!stop)) {
if (!nblock) {
if (!nblock && !last) {
ret = poll(p, FMCTDC_NUM_CHANNELS, 10);
if (ret <= 0)
continue;
......@@ -304,10 +308,15 @@ int main(int argc, char **argv)
if (fd < 0)
continue;
if (!(p[ch_valid[i]].revents & POLLIN))
continue;
byte_read = fmctdc_read(brd, i, &ts, 1,
nblock ? O_NONBLOCK : 0);
/* Read from buffer */
if (last) {
byte_read = fmctdc_read_last(brd, i, &ts);
} else {
if (!(p[ch_valid[i]].revents & POLLIN))
continue;
byte_read = fmctdc_read(brd, i, &ts, 1,
nblock ? O_NONBLOCK : 0);
}
if (byte_read > 0) {
dump(i, &ts, ref[i] < 0 ? 0 : 1);
......
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