Initial commit

.gitignore

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+*~

boot_out.txt

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+Adafruit CircuitPython 5.1.0 on 2020-04-02; Adafruit Trellis M4 Express with samd51g19

code.py

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+import time
+
+import board
+import busio
+from adafruit_neotrellis.neotrellis import NeoTrellis
+from adafruit_neotrellis.multitrellis import MultiTrellis
+from neotrellism4 import NeoTrellisM4
+import conway
+import adafruit_adxl34x
+
+ACCEL_THRESHOLD = 100
+
+
+#create the i2c object for the trellis
+I2C = busio.I2C(board.SCL, board.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)
+ON = (100, 100, 80)
+# RED = (127, 0, 0)
+# YELLOW = (127, 75, 0)
+# GREEN = (0, 127, 0)
+# CYAN = (0, 127, 127)
+# BLUE = (0, 0, 127)
+# PURPLE = (90, 0, 127)
+
+
+I2C_ACCEL = busio.I2C(board.ACCELEROMETER_SCL, board.ACCELEROMETER_SDA)
+accelerometer = adafruit_adxl34x.ADXL343(I2C_ACCEL)
+
+# Init universe
+univers = [[False for x in range(8)] for y in range(8)]
+
+universe = conway.GLIDER
+
+#this will be called when button events are received
+def genesis_callback(xcoord, ycoord, edge):
+    #turn the LED on when a rising edge is detected
+    if edge == NeoTrellis.EDGE_RISING:
+        universe[xcoord][ycoord] = not(universe[xcoord][ycoord])
+        if univers[xcoord][ycoord]:
+            trellis.color(xcoord, ycoord, ON)
+        else:
+            trellis.color(xcoord, ycoord, OFF)
+    conway.draw_universe(trellis, universe)
+
+
+def evo_callback(xcoord, ycoord, edge):
+    pass
+
+
+# Init. all the keys for Genesis
+for x in range(8):
+    for y in range(8):
+        #activate rising edge events on all keys
+        trellis.activate_key(x, y, NeoTrellis.EDGE_RISING)
+        trellis.set_callback(x, y, genesis_callback)
+
+trellis.sync()
+conway.draw_universe(trellis, universe)
+
+accelerometer.enable_motion_detection(threshold=ACCEL_THRESHOLD)
+
+# Genesis
+while not(accelerometer.events["motion"]):
+     #the trellis can only be read every 17 millisecons or so
+     trellis.sync()
+     time.sleep(.02)
+
+print("The end of Genesis, time to evolve...")
+
+# Init. all the keys for Evolution
+for x in range(8):
+    for y in range(8):
+        #activate rising edge events on all keys
+        trellis.activate_key(x, y, NeoTrellis.EDGE_RISING)
+        trellis.set_callback(x, y, evo_callback)
+
+trellis.sync()
+conway.draw_universe(trellis, universe)
+
+generation = 0
+
+#Evolution
+while True:
+    new_universe = [[False for x in range(8)] for y in range(8)]
+    ext_universe = conway.extend_universe(universe)
+    for x in range(8):
+        for y in range(8):
+            n = conway.living_neighbour_count(x, y, ext_universe)
+            if n == 3: 
+                new_universe[x][y] = True
+                # print(x, y, n, "alive")
+            elif n == 2 and universe[x][y]:
+                new_universe[x][y] = True
+                # print(x, y, n, "still alive")
+            else:
+                new_universe[x][y] = False
+                # print(x, y, n, "dead")
+    generation += 1
+    print(generation)
+    universe = new_universe.copy()
+
+    conway.draw_universe(trellis, universe)

src/conway.py

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+GLIDER = [[False, False, False, False, False, False, False, False],
+          [False, False, False, False, True, False, False, False],
+          [False, False, True, False, True, False, False, False],
+          [False, False, False, True, True, False, False, False],
+          [False, False, False, False, False, False, False, False],
+          [False, False, False, False, False, False, False, False],
+          [False, False, False, False, False, False, False, False],
+          [False, False, False, False, False, False, False, False]]
+
+OFF = (0, 0, 0)
+ON = (100, 100, 80)
+
+def draw_universe(trellis, universe):
+    for x in range(8):
+        for y in range(8):
+            #activate rising edge events on all keys
+            if universe[x][y]:
+                trellis.color(x, y, ON)
+            else:
+                trellis.color(x, y, OFF)
+
+
+def extend_universe(universe):
+    """Extend an 8x8 universe to 10x10 with first and last columns and rows as in an donut-shaped universe"""
+    ext_universe = [[False for x_ext in range(10)] for y_ext in range(10)]
+
+    # Copy universe in an extended donut-shaped universe
+    for x_ext in range(10):
+        for y_ext in range(10):
+            if x_ext == 0:
+                loc_x = 7
+            elif x_ext == 9:
+                loc_x = 0
+            else:
+                loc_x = x_ext-1
+            if y_ext == 0:
+                loc_y = 7
+            elif y_ext == 9:
+                loc_y = 0
+            else:
+                loc_y = y_ext-1
+
+            ext_universe[x_ext][y_ext] = universe[loc_x][loc_y]
+    return ext_universe
+
+
+def living_neighbour_count(xcoord, ycoord, ext_universe):
+    """Count living cells around xcoord, ycoord"""
+
+    living_neighbours = []
+    living_neighbours.append(ext_universe[xcoord][ycoord])
+    living_neighbours.append(ext_universe[xcoord][ycoord+1])
+    living_neighbours.append(ext_universe[xcoord][ycoord+2])
+    living_neighbours.append(ext_universe[xcoord+1][ycoord])
+    living_neighbours.append(ext_universe[xcoord+1][ycoord+2])
+    living_neighbours.append(ext_universe[xcoord+2][ycoord])
+    living_neighbours.append(ext_universe[xcoord+2][ycoord+1])
+    living_neighbours.append(ext_universe[xcoord+2][ycoord+2])
+    # print(living_neighbours.count(True), living_neighbours)
+    return living_neighbours.count(True)
+