Matrix portal tip jar code

First Commit

Matrix_Portal_Tip_Jar/code.py

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+"""
+Motion-sensing Animation Example using the Matrix Portal and 64 x 32 LED matrix display
+Written by Melissa LeBlanc-Williams and Erin St Blaine for Adafruit Industries
+A VL6180X sensor causes a sprite sheet animation to play
+"""
+
+import time
+import os
+import board
+import busio
+import displayio
+from digitalio import DigitalInOut, Pull
+from adafruit_matrixportal.matrix import Matrix
+from adafruit_debouncer import Debouncer
+import adafruit_vl6180x
+# pylint: disable=global-statement
+# Create I2C bus.
+i2c = busio.I2C(board.SCL, board.SDA)
+
+# Create sensor instance.
+sensor = adafruit_vl6180x.VL6180X(i2c)
+
+SPRITESHEET_FOLDER = "/bmps"
+DEFAULT_FRAME_DURATION = 0.1  # 100ms
+ANIMATION_DURATION = 5
+AUTO_ADVANCE_LOOPS = 1
+THRESHOLD = 20
+
+# --- Display setup ---
+matrix = Matrix(bit_depth=4)
+sprite_group = displayio.Group(max_size=1)
+matrix.display.show(sprite_group)
+
+# --- Button setup ---
+pin_down = DigitalInOut(board.BUTTON_DOWN)
+pin_down.switch_to_input(pull=Pull.UP)
+button_down = Debouncer(pin_down)
+pin_up = DigitalInOut(board.BUTTON_UP)
+pin_up.switch_to_input(pull=Pull.UP)
+button_up = Debouncer(pin_up)
+
+AUTO_ADVANCE = True
+
+file_list = sorted(
+    [
+        f
+        for f in os.listdir(SPRITESHEET_FOLDER)
+        if (f.endswith(".bmp") and not f.startswith("."))
+    ]
+)
+
+if len(file_list) == 0:
+    raise RuntimeError("No images found")
+
+CURRENT_IMAGE = None
+CURRENT_FRAME = 0
+CURRENT_LOOP = 0
+FRAME_COUNT = 0
+FRAME_DURATION = DEFAULT_FRAME_DURATION
+
+
+def load_image():
+    """
+    Load an image as a sprite
+    """
+    # pylint: disable=global-statement
+    global CURRENT_FRAME, CURRENT_LOOP, FRAME_COUNT, FRAME_DURATION
+    while sprite_group:
+        sprite_group.pop()
+
+    bitmap = displayio.OnDiskBitmap(
+        open(SPRITESHEET_FOLDER + "/" + file_list[CURRENT_IMAGE], "rb")
+    )
+
+    FRAME_COUNT = int(bitmap.height / matrix.display.height)
+    FRAME_DURATION = DEFAULT_FRAME_DURATION
+
+    sprite = displayio.TileGrid(
+        bitmap,
+        pixel_shader=displayio.ColorConverter(),
+        width=1,
+        height=1,
+        tile_width=bitmap.width,
+        tile_height=matrix.display.height,
+    )
+
+    sprite_group.append(sprite)
+    CURRENT_FRAME = 0
+    CURRENT_LOOP = 0
+
+
+def advance_image():
+    """
+    Advance to the next image in the list and loop back at the end
+    """
+    # pylint: disable=global-statement
+    global CURRENT_IMAGE
+    if CURRENT_IMAGE is not None:
+        CURRENT_IMAGE += 1
+    if CURRENT_IMAGE is None or CURRENT_IMAGE >= len(file_list):
+        CURRENT_IMAGE = 0
+    load_image()
+
+def advance_frame():
+    """Advance the frame"""
+    # pylint: disable=global-statement
+    global CURRENT_FRAME, CURRENT_LOOP
+    CURRENT_FRAME = CURRENT_FRAME + 1
+    if CURRENT_FRAME >= FRAME_COUNT:
+        CURRENT_FRAME = 0
+        CURRENT_LOOP = CURRENT_LOOP + 1
+    sprite_group[0][0] = CURRENT_FRAME
+
+def load_list_image(item):
+    """Load the list item"""
+    global CURRENT_IMAGE
+    CURRENT_IMAGE = item
+    load_image()
+
+def load_tipsy():
+    """Load the .bmp image"""
+    load_list_image(1)
+
+def play_thankyou():
+    """load the thank you image"""
+    load_list_image(0)
+    while CURRENT_LOOP <= AUTO_ADVANCE_LOOPS:
+        advance_frame()
+        time.sleep(FRAME_DURATION)
+
+
+advance_image()
+
+while True:
+    if sensor.range < THRESHOLD:
+        play_thankyou()
+    else:
+        load_tipsy()