Lines Matching refs:event
3 * gpio-event-mon - monitor GPIO line events from userspace
8 * gpio-event-mon -n <device-name> -o <offset>
52 "gpio-event-mon");
91 struct gpio_v2_line_event event;
93 ret = read(lfd, &event, sizeof(event));
100 fprintf(stderr, "Failed to read event (%d)\n",
106 if (ret != sizeof(event)) {
107 fprintf(stderr, "Reading event failed\n");
112 (uint64_t)event.timestamp_ns, event.offset, event.line_seqno,
113 event.seqno);
114 switch (event.id) {
122 fprintf(stdout, "unknown event");
144 fprintf(stderr, "Usage: gpio-event-mon [options]...\n"
157 "gpio-event-mon -n gpiochip0 -o 4 -r -f -b 10000\n"