feat(steami_screen): add example of smileys

Author: Charly-sketch

lib/steami_screen/examples/face_gallery.py

@@ -0,0 +1,39 @@
+"""
+Cycle through all 6 built-in face expressions.
+"""
+
+from time import sleep_ms
+
+import ssd1327
+from machine import SPI, Pin
+from steami_screen import Screen, SSD1327Display
+
+# --- Display setup ---
+spi = SPI(1)
+dc = Pin("DATA_COMMAND_DISPLAY")
+res = Pin("RST_DISPLAY")
+cs = Pin("CS_DISPLAY")
+
+raw_display = ssd1327.WS_OLED_128X128_SPI(spi, dc, res, cs)
+display = SSD1327Display(raw_display)
+screen = Screen(display)
+
+faces = [
+    ("happy", "HAPPY"),
+    ("sad", "SAD"),
+    ("surprised", "SURPRISED"),
+    ("sleeping", "SLEEPING"),
+    ("angry", "ANGRY"),
+    ("love", "LOVE"),
+]
+
+compact = True
+
+while True:
+    compact = not compact
+    for expression, label in faces:
+        screen.clear()
+        screen.face(expression, compact=compact)
+        screen.show()
+        print("Showing face:", label, "Compact:", compact)
+        sleep_ms(1000)