add bongo cat demo

bongo cat demo for qt2040

Author: BlitzCityDIY

QT2040_Trinkey/bongo_cat/code.py

@@ -0,0 +1,46 @@
+# SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries
+#
+# SPDX-License-Identifier: MIT
+
+import time
+import board
+import displayio
+import adafruit_displayio_ssd1306
+import adafruit_imageload
+
+#display setup
+displayio.release_displays()
+
+i2c = board.STEMMA_I2C()
+# oled
+oled_reset = board.D9
+display_bus = displayio.I2CDisplay(i2c, device_address=0x3D, reset=oled_reset)
+WIDTH = 128
+HEIGHT = 64
+display = adafruit_displayio_ssd1306.SSD1306(display_bus, width=WIDTH, height=HEIGHT)
+
+# default group
+group = displayio.Group()
+display.root_group = group
+
+# graphics bitmap
+bitmap, palette_bit = adafruit_imageload.load(
+    "/bongo.bmp",
+    bitmap=displayio.Bitmap,
+    palette=displayio.Palette,
+)
+tile_grid = displayio.TileGrid(bitmap, pixel_shader=palette_bit,
+                                width=1, height=1,
+                                tile_height=64, tile_width=105,
+                                default_tile=0, x = 7)
+group.append(tile_grid)
+
+bongo = 0
+index = 0
+delay = 0.15
+
+while True:
+    if (bongo + delay) < time.monotonic():
+        tile_grid[0] = index
+        index = 1 if index == 0 else 0
+        bongo = time.monotonic()