dev/led/led.c

53 	struct ledsc	*sc;
55 	LIST_FOREACH(sc, &led_list, list) {
56 		if (sc->ptr == NULL)
58 		if (sc->count > 0) {
59 			sc->count--;
62 		if (*sc->ptr == '.') {
63 			sc->ptr = NULL;
66 		} else if (*sc->ptr == 'U' || *sc->ptr == 'u') {
67 			if (sc->last_second == time_second)
69 			sc->last_second = time_second;
70 			sc->func(sc->private, *sc->ptr == 'U');
71 		} else if (*sc->ptr >= 'a' && *sc->ptr <= 'j') {
72 			sc->func(sc->private, 0);
73 			sc->count = (*sc->ptr & 0xf) - 1;
74 		} else if (*sc->ptr >= 'A' && *sc->ptr <= 'J') {
75 			sc->func(sc->private, 1);
76 			sc->count = (*sc->ptr & 0xf) - 1;
78 		sc->ptr++;
79 		if (*sc->ptr == '\0')
80 			sc->ptr = sc->str;
87 led_state(struct ledsc *sc, struct sbuf **sb, int state)
91 	sb2 = sc->spec;
92 	sc->spec = *sb;
94 		sc->str = sbuf_data(*sb);
95 		if (sc->ptr == NULL) {
99 		sc->ptr = sc->str;
101 		sc->str = NULL;
102 		if (sc->ptr != NULL)
104 		sc->ptr = NULL;
105 		sc->func(sc->private, state);
107 	sc->count = 0;
212 	struct ledsc	*sc;
231 	sc = dev->si_drv1;
232 	if (sc != NULL)
233 		error = led_state(sc, &sb, state);
243 	struct ledsc	*sc;
251 	LIST_FOREACH(sc, &led_list, list) {
252 		if (strcmp(sc->name, name) == 0)
255 	if (sc != NULL)
256 		error = led_state(sc, &sb, state);
280 	struct ledsc	*sc;
282 	sc = malloc(sizeof *sc, M_LED, M_WAITOK | M_ZERO);
285 	sc->name = strdup(name, M_LED);
286 	sc->unit = alloc_unr(led_unit);
287 	sc->private = priv;
288 	sc->func = func;
289 	sc->dev = make_dev(&led_cdevsw, sc->unit,
294 	sc->dev->si_drv1 = sc;
295 	LIST_INSERT_HEAD(&led_list, sc, list);
297 		sc->func(sc->private, state != 0);
300 	return (sc->dev);
306 	struct ledsc *sc;
309 	sc = dev->si_drv1;
311 	if (sc->ptr != NULL)
313 	LIST_REMOVE(sc, list);
319 	free_unr(led_unit, sc->unit);
321 	if (sc->spec != NULL)
322 		sbuf_delete(sc->spec);
323 	free(sc->name, M_LED);
324 	free(sc, M_LED);