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tools: gpio: add option to report wall-clock time to gpio-event-mon

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Add support for selecting the realtime clock for events.

Signed-off-by: Kent Gibson <warthog618@gmail.com>
Link: https://lore.kernel.org/r/20201014231158.34117-4-warthog618@gmail.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Kent Gibson 2020-10-15 07:11:58 +08:00 committed by Linus Walleij
parent da777be6de
commit e0822cf9b8
1 changed files with 5 additions and 1 deletions
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6
tools/gpio/gpio-event-mon.c
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@ -148,6 +148,7 @@ void print_usage(void)
" -s Set line as open source\n"
" -r Listen for rising edges\n"
" -f Listen for falling edges\n"
" -w Report the wall-clock time for events\n"
" -b <n> Debounce the line with period n microseconds\n"
" [-c <n>] Do <n> loops (optional, infinite loop if not stated)\n"
" -? This helptext\n"
@ -173,7 +174,7 @@ int main(int argc, char **argv)
memset(&config, 0, sizeof(config));
config.flags = GPIO_V2_LINE_FLAG_INPUT;
while ((c = getopt(argc, argv, "c:n:o:b:dsrf?")) != -1) {
while ((c = getopt(argc, argv, "c:n:o:b:dsrfw?")) != -1) {
switch (c) {
case 'c':
loops = strtoul(optarg, NULL, 10);
@ -204,6 +205,9 @@ int main(int argc, char **argv)
case 'f':
config.flags |= GPIO_V2_LINE_FLAG_EDGE_FALLING;
break;
case 'w':
config.flags |= GPIO_V2_LINE_FLAG_EVENT_CLOCK_REALTIME;
break;
case '?':
print_usage();
return -1;