diff options
Diffstat (limited to 'downloader')
-rwxr-xr-x | downloader/downloader.py | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/downloader/downloader.py b/downloader/downloader.py new file mode 100755 index 0000000..6dc36c3 --- /dev/null +++ b/downloader/downloader.py @@ -0,0 +1,98 @@ +#!/usr/bin/python +# +# spreadspace pic utils +# +# +# Copyright (C) 2011 Christian Pointner <equinox@spreadspace.org> +# +# This file is part of spreadspace pic utils. +# +# spreadspace pic utils 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 3 of the License, or +# any later version. +# +# spreadspace pic utils 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 spreadspace pic utils. If not, see <http://www.gnu.org/licenses/>. +# + +'''spreadspace simple pic downloader.''' + +VERSION = '0.1' + +if __name__ == '__main__': + import getopt + import os + import sys + import termios + import tty + + from intelhex import IntelHex + + usage = '''spreadspace simple pic downloader. +Usage: + python downloader.py [options] INFILE + +Arguments: + INFILE name of hex file for downloading. + Use '-' for reading from stdin. + +Options: + -h, --help this help message. + -v, --version version info. + --device=N the serial port to use (default: /dev/ttyUSB0). +''' + + device = "/dev/ttyUSB0" + + try: + opts, args = getopt.getopt(sys.argv[1:], "hv", + ["help", "version", "device="]) + + for o, a in opts: + if o in ("-h", "--help"): + print(usage) + sys.exit(0) + elif o in ("-v", "--version"): + print(VERSION) + sys.exit(0) + elif o in ("--device"): + device = a + + if not args: + raise getopt.GetoptError('Input file is not specified') + + if len(args) > 1: + raise getopt.GetoptError('Too many arguments') + + except getopt.GetoptError, msg: + print("ERROR: %s" % msg) + print(usage) + sys.exit(2) + + fin = args[0] + if fin == '-': + fin = sys.stdin + elif not os.path.isfile(fin): + print("ERROR: File not found: %s" % fin) + sys.exit(1) + + data = {} + ih = IntelHex(fin) + for a in ih.addresses(): + if a/2 not in data.keys(): + data[a/2] = 0 + if a%2 == 0: + data[a/2] += ih[a] + else: + data[a/2] += (ih[a] << 8) + + addr = data.keys() + addr.sort() + for a in addr: + print "%05d: %04X" % (a, data[a]) |