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d40963b3ed
Fixed with: codespell --skip=locale,./chirp/ui/fips.py --ignore-words-list=ans,parm,parms,rcall,sav,ser,setts,wth --summary --write-changes --interactive=2
128 lines
3.7 KiB
Python
128 lines
3.7 KiB
Python
#!/usr/bin/env python
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# coding=utf-8
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# ex: set tabstop=4 expandtab shiftwidth=4 softtabstop=4:
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#
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# © Copyright Vernon Mauery <vernon@mauery.com>, 2010. All Rights Reserved
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#
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# This is free software: you can redistribute it and/or modify it
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# under the terms of the GNU Lesser General Public License as published
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# by the Free Software Foundation, either version 3 of the License, or (at
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# your option) any later version.
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#
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# This software is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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# FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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# License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this software. If not, see <http://www.gnu.org/licenses/>.
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import sys
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import getopt
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from PIL import Image as im
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def die(msg):
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print msg
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sys.exit(1)
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def thd72bitmap(fname, invert):
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img = im.open(ifname)
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if img.size != (120, 48):
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die("Image has wrong dimensions: must be 120x48")
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colors = img.getcolors()
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if len(colors) != 2:
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die("Image must be 1 bits per pixel (black and white)")
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if ('-i', '') in opts:
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c, black = colors[0]
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c, white = colors[1]
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else:
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c, white = colors[0]
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c, black = colors[1]
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colors = {black: 1, white: 0}
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data = img.getdata()
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buf = ''
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for y in range(6):
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for x in range(120):
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b = 0
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for i in range(8):
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b |= colors[data[x + 120 * (y * 8 + i)]] << i
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buf += chr(b)
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return buf
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def display_thd72(buf):
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dots = {0: '*', 1: ' '}
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lines = []
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for y in range(48):
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line = ''
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for x in range(120):
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byte = y/8*120 + x
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line += dots[(ord(buf[byte]) >> (y % 8)) & 0x01]
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lines.append(line)
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for l in lines:
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print l
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def usage():
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print "\nUsage: %s <-s|-g> [-i] [-d] " \
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"<image-file> <thd72-nvram-file>" % sys.argv[0]
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print "\nThis program will modify whatever nvram file provided or will"
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print "create a new one if the file does not exist. After using this to"
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print "modify the image, you can use that file to upload all or part of"
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print "it to your radio"
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print "\nOption explanations:"
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print " -s Save as the startup image"
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print " -g Save as the GPS logger image"
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print " -i Invert colors (black for white)"
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print " Depending on the file format the bits may be inverted."
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print " If your bitmap file turns out to be inverted, use -i."
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print " -d Display the bitmap as dots (for confirmation)"
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print " Each black pixel is '*' and each white pixel is ' '"
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print " This will print up to 120 dots wide, so beware your"
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print " terminal size."
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sys.exit(1)
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if __name__ == "__main__":
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opts, args = getopt.getopt(sys.argv[1:], "idgs")
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if len(args) != 2:
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usage()
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ifname = args[0]
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ofname = args[1]
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invert = ('-i', '') in opts
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gps = ('-g', '') in opts
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startup = ('-s', '') in opts
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if (gps and startup) or not (gps or startup):
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usage()
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if gps:
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imgpos = 0xe800
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tagpos = 18
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else:
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imgpos = 0xe500
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tagpos = 17
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buf = thd72bitmap(ifname, invert)
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imgfname = ifname + '\xff' * (48-len(ifname))
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of = file(ofname, "rb+")
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of.seek(tagpos)
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of.write('\x01')
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of.seek(imgpos)
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of.write(buf)
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of.write(imgfname)
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of.seek(65536)
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of.close()
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if ('-d', '') in opts:
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display_thd72(buf)
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blocks = [0, ]
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blocks.append(imgpos/256)
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blocks.append(1+imgpos/256)
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blocks.append(2+imgpos/256)
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print "Modified block list:", blocks
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