first commit Metro Matrix Clock, custom font

Metro_Matrix_Clock/metro_matrix_clock.py

@@ -0,0 +1,101 @@
+# Metro Matrix Clock
+# Runs on Airlift Metro M4 with 64x32 RGB Matrix display & shield
+
+import time
+import board
+import displayio
+import terminalio
+from adafruit_display_text.label import Label
+from adafruit_bitmap_font import bitmap_font
+from adafruit_matrixportal.network import Network
+from adafruit_matrixportal.matrix import Matrix
+
+BLINK = True
+DEBUG = False
+
+# Get wifi details and more from a secrets.py file
+try:
+    from secrets import secrets
+except ImportError:
+    print("WiFi secrets are kept in secrets.py, please add them there!")
+    raise
+print("    Metro Minimal Clock")
+print("Time will be set for {}".format(secrets["timezone"]))
+
+# --- Display setup ---
+matrix = Matrix()
+display = matrix.display
+network = Network(status_neopixel=board.NEOPIXEL, debug=False)
+
+# --- Drawing setup ---
+group = displayio.Group(max_size=4)  # 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] = 0xCC4000  # amber
+color[3] = 0x85FF00  # greenish
+
+# 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, max_glyphs=6)
+
+
+def update_time(*, hours=None, minutes=None, show_colon=False):
+    now = time.localtime()  # Get the time values we need
+    if hours is None:
+        hours = now[3]
+    if hours >= 18 or hours < 6:  # evening hours to morning
+        clock_label.color = color[1]
+    else:
+        clock_label.color = color[3]  # daylight hours
+    if hours > 12:  # Handle times later than 12:59
+        hours -= 12
+    elif not hours:  # Handle times between 0:00 and 0:59
+        hours = 12
+
+    if minutes is None:
+        minutes = now[4]
+
+    if BLINK:
+        colon = ":" if show_colon or now[5] % 2 else " "
+    else:
+        colon = ":"
+
+    clock_label.text = "{hours}{colon}{minutes:02d}".format(
+        hours=hours, minutes=minutes, colon=colon
+    )
+    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))
+
+
+last_check = None
+update_time(show_colon=True)  # Display whatever time is on the board
+group.append(clock_label)  # add the clock label to the group
+
+while True:
+    if last_check is None or time.monotonic() > last_check + 3600:
+        try:
+            update_time(
+                show_colon=True
+            )  # Make sure a colon is displayed while updating
+            network.get_local_time()  # Synchronize Board's clock to Internet
+            last_check = time.monotonic()
+        except RuntimeError as e:
+            print("Some error occured, retrying! -", e)
+
+    update_time()
+    time.sleep(1)