Adds digital clock example for pico_display

micropython/examples/pico_display/pico_clock.py

@@ -0,0 +1,85 @@
+import time
+from pimoroni import Button
+from picographics import PicoGraphics, DISPLAY_PICO_DISPLAY
+display = PicoGraphics(display=DISPLAY_PICO_DISPLAY, rotate=0)
+display.set_backlight(1.0)
+
+button_a = Button(12)
+button_b = Button(13)
+button_x = Button(14)
+button_y = Button(15)
+
+WIDTH, HEIGHT = display.get_bounds()
+WHITE = display.create_pen(255, 255, 255)
+BLACK = display.create_pen(0, 0, 0)
+
+
+def clear():
+    display.set_pen(BLACK)
+    display.clear()
+    display.update()
+
+
+clear()
+
+
+lastAdjustment = None
+currentTimeHours = 12
+currentTimeMinutes = 0
+
+
+def incrementHours():
+    global currentTimeHours
+    currentTimeHours += 1
+    if currentTimeHours > 12:
+        currentTimeHours = 1
+
+
+def decrementHours():
+    global currentTimeHours
+    currentTimeHours -= 1
+    if currentTimeHours < 1:
+        currentTimeHours = 12
+
+
+def incrementMinutes():
+    global currentTimeMinutes
+    currentTimeMinutes += 1
+    if currentTimeMinutes > 59:
+        currentTimeMinutes = 0
+
+
+def decrementMinutes():
+    global currentTimeMinutes
+    currentTimeMinutes -= 1
+    if currentTimeMinutes < 1:
+        currentTimeMinutes = 59
+
+
+def showTime():
+    clear()
+    display.set_pen(WHITE)
+    display.text(
+        "{:02}:{:02}".format(
+            currentTimeHours,
+            currentTimeMinutes), int(WIDTH / 3.5), int(HEIGHT / 3), 240, 4)
+    display.update()
+
+
+while True:
+    showTime()
+    if button_a.read():  # Handle hours adjustment
+        incrementHours()
+    elif button_b.read():
+        decrementHours()
+    elif button_x.read():  # Handle minutes adjustment
+        incrementMinutes()
+    elif button_y.read():
+        decrementMinutes()
+    if lastAdjustment is None or time.time() - lastAdjustment >= 59:
+        if currentTimeMinutes != 59:
+            incrementMinutes()
+        else:
+            incrementMinutes()
+            incrementHours()
+        lastAdjustment = time.time()