Added no battery setting

micropython/examples/badger2040/battery.py

@@ -53,6 +53,25 @@ def draw_battery(level, resolution):
     display.rectangle((WIDTH - BATT_WIDTH) // 2 + BATT_BORDER, (HEIGHT - BATT_HEIGHT) // 2 + BATT_BORDER,
                       BATT_WIDTH - BATT_BORDER * 2, BATT_HEIGHT - BATT_BORDER * 2)
 
+    # Add a special check for no battery
+    if level < 1:
+        X = WIDTH // 2
+        Y = HEIGHT // 2
+
+        display.pen(0)
+        display.thickness(1)
+        thickness = (BATT_BORDER * 3) // 2
+        start_extra = thickness // 3
+        end_extra = (thickness * 2) // 3
+        for i in range(0, thickness):
+            excess = (i // 2)
+            display.line(X - (BATT_HEIGHT // 2) + i - excess - start_extra, Y - (BATT_HEIGHT // 2) - excess - start_extra,
+                         X + (BATT_HEIGHT // 2) + i - excess + end_extra, Y + (BATT_HEIGHT // 2) - excess + end_extra)
+        display.pen(15)
+        for i in range(0 - thickness, 0):
+            display.line(X - (BATT_HEIGHT // 2) + i, Y - (BATT_HEIGHT // 2),
+                         X + (BATT_HEIGHT // 2) + i, Y + (BATT_HEIGHT // 2))
+    else:
         # Draw the battery bars
         display.pen(0)
         length = (BATT_BAR_END - BATT_BAR_START - ((NUM_BATT_BARS - 1) * BATT_BAR_PADDING)) // NUM_BATT_BARS