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neotrellism4/examples/neotrellism4_simpletest.py

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2019-06-16 16:32:15 +02:00
import time
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from neotrellism4 import NeoTrellisM4
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#create the trellis
trellis_left = NeoTrellisM4()
trellis_right = NeoTrellisM4(left_part=trellis_left)
#some color definitions
OFF = (0, 0, 0)
RED = (255, 0, 0)
YELLOW = (255, 150, 0)
GREEN = (0, 255, 0)
CYAN = (0, 255, 255)
BLUE = (0, 0, 255)
PURPLE = (180, 0, 255)
#this will be called when button events are received
def blink(event):
#turn the LED on when a rising edge is detected
if event.edge == NeoTrellisM4.EDGE_RISING:
trellis_left.pixels[event.number] = CYAN
#turn the LED off when a rising edge is detected
elif event.edge == NeoTrellisM4.EDGE_FALLING:
trellis_left.pixels[event.number] = OFF
for i in range(16):
#activate rising edge events on all keys
trellis_left.activate_key(i, NeoTrellisM4.EDGE_RISING)
#activate falling edge events on all keys
trellis_left.activate_key(i, NeoTrellisM4.EDGE_FALLING)
#set all keys to trigger the blink callback
trellis_left.callbacks[i] = blink
#cycle the LEDs on startup
trellis_left.pixels[i] = PURPLE
time.sleep(.05)
for i in range(16):
trellis_left.pixels[i] = OFF
time.sleep(.05)
for i in range(16):
#activate rising edge events on all keys
trellis_right.activate_key(i, NeoTrellisM4.EDGE_RISING)
#activate falling edge events on all keys
trellis_right.activate_key(i, NeoTrellisM4.EDGE_FALLING)
#set all keys to trigger the blink callback
trellis_right.callbacks[i] = blink
#cycle the LEDs on startup
trellis_right.pixels[i] = PURPLE
time.sleep(.05)
for i in range(16):
trellis_right.pixels[i] = OFF
time.sleep(.05)
#print(trellis.callbacks)
time.sleep(2)
while True:
#call the sync function call any triggered callbacks
trellis_left.sync()
trellis_right.sync()
#the trellis can only be read every 17 millisecons or so
time.sleep(.02)