def leg_bar_intensity(leg_index, percentage, intensity=1.0):
"""Display a bargraph on a leg.
A leg/arm/spoke is the line of 6 LEDs the emanates from the center of Piglow to the edge.
:param leg_index: leg from 0 to 2
:param percentage: percentage to display in decimal
:param intensity: percentage of maximum intensity
"""
# From inner led to outer led
legs = [[5, 4, 3, 2, 1, 0], [11, 10, 9, 8, 7, 6], [17, 16, 15, 14, 13, 12]]
if percentage > 1.0 or percentage < 0:
raise ValueError("percentage must be between 0.0 and 1.0")
if intensity > 1.0 or intensity < 0:
raise ValueError("intensity must be between 0.0 and 1.0")
# 1530 = 6 * 255
amount = int(1530.0 * percentage * intensity)
for led_index in legs[leg_index % 3]:
piglow.set(
led_index,
int(255 *
intensity) if amount > 255 * intensity else int(amount *
intensity))
amount = 0 if amount < (255 *
intensity) else amount - (255 * intensity)
def _cycle(leds, speed, low, high):
""" Cycle each LED from low to high in order """
pulse_range = range(low, high)
wait_for = 1/speed
# Set each LED to the LOW state
_set(leds, low)
for i in range(0, len(leds)):
for c in pulse_range:
# Increase the LED to HIGH
piglow.set(leds[i], c)
piglow.show()
sleep(wait_for)
# Decrease the previous LED back to LOW at same rate
if i > 0:
piglow.set(leds[i-1], high-(c-low))
piglow.show()
sleep(wait_for)
# Decrease the final LED back to LOW state
_dim(leds[-1], speed, high, low)
# Set each LED to the LOW state
_set(leds, low)
def _dim(led, speed, high, low):
""" Dims the led from high to low at the given speed """
dim_range = range(low, high)
wait_for = 1/speed
for c in reversed(dim_range):
piglow.set(led, c)
piglow.show()
sleep(wait_for)
def _pulse(led, speed, low, high):
""" Pulse the LED from low to high """
pulse_range = range(low, high)
wait_for = 1/speed
for c in pulse_range:
piglow.set(led, c)
piglow.show()
sleep(wait_for)
for c in reversed(pulse_range):
piglow.set(led, c)
piglow.show()
sleep(wait_for)
def _set(leds, value):
""" Sets the value of each led """
for led in leds:
piglow.set(led, value)
piglow.show()
def _clear_all():
""" Clear all LEDs """
for l in range(0, 18):
piglow.set(l, 0)
piglow.show()
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
BRIGHT_MAX = 20
bright = BRIGHT_MAX
for count in range(4):
for x in reversed(range(6)):
arr = [x, x + 6, x + 12]
piglow.set(arr, bright)
sleep(0.1)
bright = 0 if bright == BRIGHT_MAX else BRIGHT_MAX
import piglow
import time
piglow.auto_update = True
print("Testing continuous set...")
piglow.set(0, [100,100,100])
time.sleep(1)
piglow.all(0)
print("Testing list/list set...")
piglow.set([0,2,4,6,8,10,12,14,16],[100,100,100,100,100,100,100,100,100])
time.sleep(1)
piglow.all(0)
print("Testing single value, multi LED set...")
piglow.set([1,3,5,7,9,11,13,15,17],100)
time.sleep(1)
piglow.all(0)
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
for count in range(4):
for x in range(6):
list = [x, x + 6, x + 12]
piglow.set(list, 20)
sleep(0.05)
piglow.set(list, 0)
sleep(0.03)
import piglow
import time
piglow.auto_update = True
print("Testing continuous set...")
piglow.set(0, [100, 100, 100])
time.sleep(1)
piglow.all(0)
print("Testing list/list set...")
piglow.set([0, 2, 4, 6, 8, 10, 12, 14, 16],
[100, 100, 100, 100, 100, 100, 100, 100, 100])
time.sleep(1)
piglow.all(0)
print("Testing single value, multi LED set...")
piglow.set([1, 3, 5, 7, 9, 11, 13, 15, 17], 100)
time.sleep(1)
piglow.all(0)
#!/usr/bin/env python
import time
import piglow
i = 0
while True:
print(i)
piglow.all(0)
piglow.set(i % 18, [15, 31, 63, 127, 255, 127, 63, 31, 15])
piglow.show()
i += 1
#time.sleep(0.1)
#!/usr/bin/env python
import time
import piglow
i = 0
while True:
print(i)
piglow.all(0)
piglow.set(i % 18, [15, 31, 63, 127, 255, 127, 63, 31, 15])
piglow.show()
i += 1
time.sleep(0.1)
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
# blink 3 times
BRIGHT_MAX = 20
bright = BRIGHT_MAX
for count in range(4):
for x in range(6):
list = [x, x + 6, x + 12]
piglow.set(list, bright)
sleep(0.1)
bright = 0 if bright == BRIGHT_MAX else BRIGHT_MAX
# shine once
for x in range(130):
piglow.all(x)
piglow.show()
for x in reversed(range(130)):
piglow.all(x)
piglow.show()
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
for count in range(4):
for x in reversed(range(6)):
arr = [x, x + 6, x + 12]
piglow.set(arr, 20)
sleep(0.05)
piglow.set(arr, 0)
sleep(0.03)
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
tmp_arr = []
for count in range(4):
for x in range(6):
arr = [x, x + 6, x + 12]
piglow.set(arr, 20)
sleep(0.05)
if len(tmp_arr) > 0:
piglow.set(tmp_arr, 0)
sleep(0.03)
tmp_arr = arr
#!/usr/bin/env python
import time
import piglow
i = 0
x = 0
while True:
if i % 32 == 0:
piglow.leg((x % 3), 64)
x += 1
piglow.set(0, list(map(lambda x: x - 1 if x > 1 else 0, piglow.get())))
piglow.show()
time.sleep(0.1)
i += 1
#!/usr/bin/env python
import piglow
from time import sleep
piglow.auto_update = True
# blink 3 times
BRIGHT_MAX = 20
bright = BRIGHT_MAX
for count in range(4):
for x in range(6):
list = [x, x + 6, x + 12]
piglow.set(list, bright)
sleep(0.1)
bright = 0 if bright == BRIGHT_MAX else BRIGHT_MAX
# shine once
for x in range(130):
piglow.all(x)
piglow.show()
for x in reversed(range(130)):
piglow.all(x)
piglow.show()