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synchronised_time.py

+import time
+
+
+def create_synchronised_time(display, button_a, button_b, button_x, button_y):
+    WHITE = display.create_pen(255, 255, 255)
+    BLACK = display.create_pen(0, 0, 0)
+    
+    datetime = [2021, 1, 1, 1, 1, 0]
+    selected_idx = 0
+
+    display_width, display_height = display.get_bounds()
+
+    while True:
+        if  button_a.read():
+            selected_idx = (selected_idx + 1) % len(datetime)
+        if  button_x.read():
+            datetime[selected_idx] += 1
+        if  button_y.read():
+            datetime[selected_idx] = max(datetime[selected_idx] - 1, 1)
+        if  button_b.read():
+            break
+
+        display.set_pen(BLACK)
+        display.clear()
+
+        display.set_pen(WHITE)
+
+        display.text("Next", 10, 10, 30, 2)
+        display.text("Inc", display_width - 40, 10, 30, 2)
+        display.text("Dec", display_width - 40, display_height - 20, 30, 2)
+        display.text("Confirm", 10, display_height - 20, 30, 2)
+
+        display.text("YYYY MM DD HH MM SS", 30,
+                     display_height // 2 - 10, display_width - 30, 2)
+        display.text(
+            " ".join("%s%02d" % (">" if idx == selected_idx else "", sep)
+                     for idx, sep in enumerate(datetime)),
+            30, display_height // 2 + 10, display_width - 30, 2)
+
+        display.update()
+        time.sleep(0.3)
+
+    delta = time.mktime(datetime + [0, 0]) - int(time.time())
+
+    def synchronised_time():
+        return int(time.time()) + delta
+
+    return synchronised_time