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FMC TDC 1ns 5cha - Software
Commit c756a9bd authored by Tomasz Wlostowski's avatar Tomasz Wlostowski
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test/fmctdc-time: initial support for WR

parent b9faf1f8
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Showing with 66 additions and 13 deletions
test/fmctdc-time.c
View file @ c756a9bd
...@@ -13,6 +13,12 @@ ...@@ -13,6 +13,12 @@
#include "test-common.h" #include "test-common.h"
void perror_hint ( const char *func )
{
perror(func);
fprintf(stderr, "Hint: are trying to change time while acquisition is enabled?\n");
}
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
struct fmctdc_time ts; struct fmctdc_time ts;
...@@ -21,12 +27,15 @@ int main(int argc, char **argv) ...@@ -21,12 +27,15 @@ int main(int argc, char **argv)
init(argc, argv); init(argc, argv);
check_help(argc, argv, 3, check_help(argc, argv, 3,
"[-h] <device> <command> [timeval]", "[-h] <device> <command> [timeval]",
"Gets/sets the mezzanine TAI time.", "Gets/sets the mezzanine TAI time and controls White Rabbit timing.",
"Commands are:" "Commands are:\n"
"get - prints current TAI time" " get - shows current time and White Rabbit status.\n"
"set <seconds> - sets TAI time" " set <seconds> - sets current board time.\n"
"host - sets TAI time to current host time"); " local - sets the time source to the card's local oscillator.\n"
" wr - sets the time source to White Rabbit.\n"
" host - sets the time source to local oscillator and coarsely\n"
" synchronizes the card to the system clock.\n");
open_board(argv[1]); open_board(argv[1]);
...@@ -37,7 +46,18 @@ int main(int argc, char **argv) ...@@ -37,7 +46,18 @@ int main(int argc, char **argv)
perror("fmctdc_get_time()"); perror("fmctdc_get_time()");
return -1; return -1;
} }
printf("Current TAI time is %lld.%09d s\n", ts.seconds,
int err = fmctdc_check_wr_mode(brd);
printf("WR Status: ");
switch(err)
{
case ENODEV: printf("disabled.\n"); break;
case ENOLINK: printf("link down.\n"); break;
case EAGAIN: printf("synchronization in progress.\n"); break;
case 0: printf("synchronized.\n"); break;
default: printf("error: %s\n", strerror(err)); break;
}
printf("Current TAI time is %llu.%09d s\n", (unsigned long long) ts.seconds,
ts.coarse * 8); ts.coarse * 8);
} else if (!strcmp(cmd, "set")) { } else if (!strcmp(cmd, "set")) {
if (argc < 4) { if (argc < 4) {
...@@ -48,18 +68,51 @@ int main(int argc, char **argv) ...@@ -48,18 +68,51 @@ int main(int argc, char **argv)
ts.seconds = atoi(argv[3]); ts.seconds = atoi(argv[3]);
if (fmctdc_set_time(brd, &ts) < 0) { if (fmctdc_set_time(brd, &ts) < 0) {
perror("fmctdc_set_time()"); perror_hint("fmctdc_set_time()");
fprintf(stderr,
"Hint: are trying to change time while acquisition is enabled?\n");
return -1; return -1;
} }
} else if (!strcmp(cmd, "host")) { } else if (!strcmp(cmd, "host")) {
if (fmctdc_set_host_time(brd) < 0) { if (fmctdc_set_host_time(brd) < 0) {
perror("fmctdc_set_host_time()"); perror_hint("fmctdc_set_host_time()");
fprintf(stderr, return -1;
"Hint: are trying to change time while acquisition is enabled?\n"); }
} else if (!strcmp(cmd, "wr")) {
int err = fmctdc_wr_mode(brd, 1);
if(err == ENOTSUP)
{
fprintf(stderr, "%s: no support for White Rabbit (check the gateware).\n",
argv[0]);
exit(1);
} else if (err) {
perror_hint("fmctdc_wr_mode()");
exit(1);
}
setbuf(stdout, NULL);
printf("Locking the card to WR: ");
while ((err = fmctdc_check_wr_mode(brd)) != 0) {
if( err == ENOLINK ) {
fprintf(stderr, "\n%s: no White Rabbit link (check the cable and the switch).\n",
argv[0]);
return -1;
}
printf(".");
sleep(1);
}
printf(" locked!\n");
} else if (!strcmp(cmd, "local"))
{
int err = fmctdc_wr_mode(brd, 0);
if(err < 0) {
perror_hint("fmctdc_wr_mode()");
return -1; return -1;
} }
return 0;
} else { } else {
fprintf(stderr, "%s: unrecognized command.\n", cmd); fprintf(stderr, "%s: unrecognized command.\n", cmd);
return -1; return -1;
......
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