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])