Merge pull request #2422 from adafruit/Matrix-Portal-M4-Boxing-Interval-Timer

First commit

Author: TheKitty

Matrix_Portal_M4_Boxing_Interval_Timer/code.py

@@ -0,0 +1,91 @@
+# SPDX-FileCopyrightText: 2023 Trevor Beaton for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import displayio
+import terminalio
+from adafruit_display_text.label import Label
+from adafruit_bitmap_font import bitmap_font
+from adafruit_matrixportal.matrix import Matrix
+
+# set the timer length
+TIMER_LENGTH = 180  # 3 minutes
+
+BLINK = True
+DEBUG = False
+
+# --- Display setup ---
+matrix = Matrix()
+display = matrix.display
+
+# --- Drawing setup ---
+group = displayio.Group()  # Create a Group
+bitmap = displayio.Bitmap(64, 32, 2)  # Create a bitmap object,width, height, bit depth
+color = displayio.Palette(4)  # Create a color palette
+color[0] = 0x000000  # black background
+color[1] = 0xFF0000  # red
+color[2] = 0xFF8C00  # yellow
+color[3] = 0x3DEB34  # green
+
+# Create a TileGrid using the Bitmap and Palette
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=color)
+group.append(tile_grid)  # Add the TileGrid to the Group
+display.show(group)
+
+if not DEBUG:
+    font = bitmap_font.load_font("/IBMPlexMono-Medium-24_jep.bdf")
+else:
+    font = terminalio.FONT
+
+clock_label = Label(font)
+
+def update_time(remaining_time):
+    now = time.localtime()  # Get the time values we need
+
+    # calculate remaining time in seconds
+    seconds = remaining_time % 60
+    minutes = remaining_time // 60
+
+    if BLINK:
+        colon = ":" if now[5] % 2 else " "
+    else:
+        colon = ":"
+
+    clock_label.text = "{minutes:02d}{colon}{seconds:02d}".format(
+        minutes=minutes, seconds=seconds, colon=colon
+    )
+
+    if remaining_time < 60:
+        clock_label.color = color[1]
+    elif remaining_time < 90:
+        clock_label.color = color[2]
+    elif remaining_time > 90:
+        clock_label.color = color[3]
+
+    bbx, bby, bbwidth, bbh = clock_label.bounding_box
+    # Center the label
+    clock_label.x = round(display.width / 2 - bbwidth / 2)
+    clock_label.y = display.height // 2
+    if DEBUG:
+        print("Label bounding box: {},{},{},{}".format(bbx, bby, bbwidth, bbh))
+        print("Label x: {} y: {}".format(clock_label.x, clock_label.y))
+
+    # decrement remaining time
+    remaining_time -= 1
+    if remaining_time < 0:
+        remaining_time = TIMER_LENGTH
+
+    return remaining_time
+
+def main():
+    remaining_time = TIMER_LENGTH
+    update_time(remaining_time)
+    group.append(clock_label)
+
+    while True:
+        remaining_time = update_time(remaining_time)
+        time.sleep(1)
+
+if __name__ == "__main__":
+    main()