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CircuitPython_TrellisM4_extended
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arofarn 2021-06-27 19:46:51 +02:00
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@ -32,78 +32,13 @@ This driver depends on:
* `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_ * `Bus Device <https://github.com/adafruit/Adafruit_CircuitPython_BusDevice>`_
Please ensure all dependencies are available on the CircuitPython filesystem. Please ensure all dependencies are available on the CircuitPython filesystem.
This is easily achieved by downloading This is easily achieved by downloading the `Adafruit library and driver bundle <https://circuitpython.org/libraries>`_.
`the Adafruit library and driver bundle <https://circuitpython.org/libraries>`.
Usage Example Usage Example
============= =============
:: See examples directory.
import time
from board import SCL, SDA
import busio
from adafruit_neotrellis.neotrellis import NeoTrellis
from adafruit_neotrellis.multitrellis import MultiTrellis
from neotrellism4 import NeoTrellisM4
#create the i2c object for the trellis
I2C = busio.I2C(SCL, SDA)
# Create the trellis. This is for a 2x2 array of TrellisM4 (first row) with
# 2 Neotrellis (second row).
#
# [ NeoM4_left | NeoM4_right ]
# neotrellis0 | neotrellis1
trellim4_left = NeoTrellisM4()
trellim4_right = NeoTrellisM4(left_part=trellim4_left)
trelli = [
[trellim4_left, trellim4_right],
[NeoTrellis(I2C, False, addr=0x2F), NeoTrellis(I2C, False, addr=0x2E)]
]
trellis = MultiTrellis(trelli)
#some color definitions
OFF = (0, 0, 0)
RED = (127, 0, 0)
YELLOW = (127, 75, 0)
GREEN = (0, 127, 0)
CYAN = (0, 127, 127)
BLUE = (0, 0, 127)
PURPLE = (90, 0, 127)
#this will be called when button events are received
def blink(xcoord, ycoord, edge):
#turn the LED on when a rising edge is detected
if edge == NeoTrellis.EDGE_RISING:
trellis.color(xcoord, ycoord, BLUE)
#turn the LED off when a rising edge is detected
elif edge == NeoTrellis.EDGE_FALLING:
trellis.color(xcoord, ycoord, OFF)
for y in range(8):
for x in range(8):
# activate rising edge events on all keys
print(x, y)
trellis.activate_key(x, y, NeoTrellis.EDGE_RISING)
# activate falling edge events on all keys
trellis.activate_key(x, y, NeoTrellis.EDGE_FALLING)
trellis.set_callback(x, y, blink)
trellis.color(x, y, PURPLE)
time.sleep(.05)
for y in range(8):
for x in range(8):
trellis.color(x, y, OFF)
time.sleep(.05)
while True:
#the trellis can only be read every 17 millisecons or so
trellis.sync()
time.sleep(.02)
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