Splash generator.

(Modified from the one generates world_map.bin)

firmware/tools/generate_custom_splash.py

@@ -0,0 +1,65 @@
+#!/usr/bin/env python
+
+# Copyright (C) 2017 Furrtek
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; see the file COPYING.  If not, write to
+# the Free Software Foundation, Inc., 51 Franklin Street,
+# Boston, MA 02110-1301, USA.
+#
+
+from __future__ import print_function
+import sys
+import struct
+from PIL import Image
+
+usage_info = """
+Custom splash generator
+
+Usage: <command> <input image>
+	
+	Notice:
+		Input image size should be 304x240.
+		Generated image will be named "splash.bin", put it under SD card's root directory will work.
+"""
+
+if len(sys.argv) != 2:
+	print(usage_info)
+	sys.exit(-1)
+
+outfile = open("splash.bin", 'wb')
+
+# Allow for bigger images
+Image.MAX_IMAGE_PIXELS = None
+im = Image.open(sys.argv[1])
+pix = im.load()
+
+outfile.write(bytes("RAW\x00"))
+outfile.write(struct.pack('H', im.size[1]))
+outfile.write(struct.pack('H', im.size[0]))
+
+for y in range (0, im.size[1]):
+	line = ''
+	for x in range (0, im.size[0]):
+		# RRRRRGGGGGGBBBBB
+		pixel_lcd = (pix[x, y][0] >> 3) << 11
+		pixel_lcd |= (pix[x, y][1] >> 2) << 5
+		pixel_lcd |= (pix[x, y][2] >> 3)
+		#         RRRGGGBB to
+		# RRR00GGG000BB000
+		# pixel_lcd = (pix[x, y][0] >> 5) << 5
+		# pixel_lcd |= (pix[x, y][1] >> 5) << 2
+		# pixel_lcd |= (pix[x, y][2] >> 6)
+		line += struct.pack('H', pixel_lcd)
+	outfile.write(line)
+	print(str(y) + '/' + str(im.size[1]) + '\r', end="")