First init.

libraries/Adafruit_SSD1306/scripts/Makefile

@@ -0,0 +1,33 @@
+
+PY=python3
+
+define HEADER
+/**
+ * This file is autogenerated, do not edit.
+ * Run `make` from the scripts directory to produce splash.h
+ *
+ * Splashes will be stored in PROGMEM (flash).
+ * If SSD1306_NO_SPLASH is defined, the splashes are omitted.
+ */
+
+#ifndef SSD1306_NO_SPLASH
+/* clang-format off */
+endef
+
+define FOOTER
+/* clang-format on */
+#endif
+endef
+
+export HEADER
+export FOOTER
+
+splash.h: make_splash.py splash1.png splash2.png
+	echo "$$HEADER" > $@
+	${PY} make_splash.py splash1.png splash1 >>$@
+	${PY} make_splash.py splash2.png splash2 >>$@
+	echo "$$FOOTER" >> $@
+
+clean:
+	rm -f splash.h
+

libraries/Adafruit_SSD1306/scripts/make_splash.py

@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+# pip install pillow to get the PIL module
+
+import sys
+from PIL import Image
+
+def main(fn, id):
+  image = Image.open(fn)
+  print("\n"
+        "#define {id}_width  {w}\n"
+        "#define {id}_height {h}\n"
+        "\n"
+        "const uint8_t PROGMEM {id}_data[] = {{\n"
+        .format(id=id, w=image.width, h=image.height), end='')
+  for y in range(0, image.height):
+    for x in range(0, (image.width + 7)//8 * 8):
+      if x == 0:
+        print("  ", end='')
+      if x % 8 == 0:
+        print("0b", end='')
+
+      bit = '0'
+      if x < image.width and image.getpixel((x,y)) != 0:
+        bit = '1'
+      print(bit, end='')
+
+      if x % 8 == 7:
+        print(",", end='')
+    print()
+  print("};")
+
+if __name__ == '__main__':
+    if len(sys.argv) < 3:
+      print("Usage: {} <imagefile> <id>\n".format(sys.argv[0]), file=sys.stderr);
+      sys.exit(1)
+    fn = sys.argv[1]
+    id = sys.argv[2]
+    main(fn, id)