def update():
global old_pattern
current_time = sys.time()
update_time = _leds_state['update_time']
if current_time > update_time:
update_time += LED_UPDATE_PERIOD
# advance time if there have been delays in calling update
if update_time < current_time:
update_time = current_time + LED_UPDATE_PERIOD
_leds_state['update_time'] = update_time
counter = _leds_state['counter'] + 1
_leds_state['counter'] = counter
color = _leds_state['color']
pattern = _leds_state['pattern']
brightness = _leds_state['brightness']
if _leds_state['pattern'] != 'manual':
for c in 'rgb':
if c not in color:
_led_set_group(c, 0)
if pattern == 'group':
_led_set_group(color, brightness)
elif pattern == 'ramp_slow':
idx = counter % BLINK_SLOW
if idx < (BLINK_SLOW / 2):
# ramp up
b = brightness * idx / (BLINK_SLOW / 2)
else:
b = brightness * (BLINK_SLOW - idx) / (BLINK_SLOW / 2)
_led_set_group(color, b)
elif pattern == 'blink_slow':
idx = counter % BLINK_SLOW
if idx < (BLINK_SLOW / 2):
_led_set_group(color, brightness)
else:
_led_set_group(color, 0)
elif pattern == 'blink_fast':
idx = counter % BLINK_FAST
if idx < (BLINK_FAST / 2):
_led_set_group(color, brightness)
else:
_led_set_group(color, 0)
elif pattern == 'circle':
idx = counter % 5
led_map = rone._led_map[color]
for i in range(5):
if i == idx:
rone._led_set(led_map[i], brightness)
else:
rone._led_set(led_map[i], 0)
elif pattern == 'count':
# display ints as counting on the lights
idx = 0
for c in 'rgb':
if color[idx] == 0:
_led_set_group(c, 0)
else:
led_map = rone._led_map[c]
for i in range(5):
if i < color[idx]:
rone._led_set(led_map[i], brightness)
else:
rone._led_set(led_map[i], 0)
idx += 1
elif pattern == 'manual':
pass
old_pattern = pattern
def _led_set_group(color, brightness):
for c in color:
led_map = rone._led_map[c]
for i in led_map:
rone._led_set(i, brightness)