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FMC DEL 1ns 4cha - Software
Commit 5579d060 authored by Alessandro Rubini's avatar Alessandro Rubini
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tools/fmc-fdelay-term: with no args only report status 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent 4d77a253
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Showing with 20 additions and 19 deletions
doc/fine-delay.in
View file @ 5579d060
......@@ -957,14 +957,18 @@ termination resistor.
In addition to the @t{-i} or @t{-d}
arguments, mandatory if more than one board is found on the
host system, the command receives one mandatory argument, either
@t{1} (activate termination) or @t{0} (deactivate termination).
host system, the command receives one optional argument, either
@t{1} or @t{on} (activate termination) or @t{0} or @t{off}
(deactivate termination).
@smallexample
spusa# ./tools/fmc-fdelay-term 1
spusa# ./tools/fmc-fdelay-term on
./tools/fmc-fdelay-term: termination is on
@end smallexample
If no arguments are passed the termination status is reported back but
not changed.
@c ==========================================================================
@node fmc-fdelay-board-time
@section fmc-fdelay-board-time
......
tools/fmc-fdelay-term.c
View file @ 5579d060
......@@ -10,7 +10,7 @@
static void help(char *name)
{
fprintf(stderr, "%s: Use \"%s [-i <index>] [-d <dev>] 1|0\n",
fprintf(stderr, "%s: Use \"%s [-i <index>] [-d <dev>] [on|off]\n",
name, name);
exit(1);
}
......@@ -48,20 +48,17 @@ int main(int argc, char **argv)
exit(1);
}
/* Parse the mandatory extra argument */
if (optind != argc - 1)
help(argv[0]);
/* Parse the extra argument, if any */
newval = -1;
if (!strcmp(argv[optind], "0"))
newval = 0;
else if (!strcmp(argv[optind], "1"))
newval = 1;
else {
fprintf(stderr, "%s: arg \"%s\" is not 0 nor 1\n",
argv[0], argv[optind]);
exit(1);
if (optind == argc - 1) {
char *s = argv[optind];
if (!strcmp(s, "0") || !strcmp(s, "off"))
newval = 0;
else if (!strcmp(s, "1") || !strcmp(s, "on"))
newval = 1;
else
help(argv[0]);
}
/* Finally work */
b = fdelay_open(index, dev);
if (!b) {
......@@ -74,14 +71,14 @@ int main(int argc, char **argv)
switch(newval) {
case 1:
hwval |= FD_TDCF_TERM_50;
fdelay_set_config_tdc(b, hwval);
break;
case 0:
hwval &= ~FD_TDCF_TERM_50;
fdelay_set_config_tdc(b, hwval);
break;
}
fdelay_set_config_tdc(b, hwval);
hwval = fdelay_get_config_tdc(b);
printf("%s: termination is %d %s\n", argv[0], hwval,
printf("%s: termination is %s\n", argv[0], hwval,
hwval & FD_TDCF_TERM_50 ? "on" : "off");
fdelay_close(b);
......
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