Move/rename firmware extractor tools.

[sigrok-util.git] / firmware / saleae-logic16 / sigrok-fwextract-saleae-logic16

diff --git a/firmware/saleae-logic16/sigrok-fwextract-saleae-logic16 b/firmware/saleae-logic16/sigrok-fwextract-saleae-logic16
new file mode 100755 (executable)
index 0000000..09b8730
--- /dev/null
+++ b/firmware/saleae-logic16/sigrok-fwextract-saleae-logic16
@@ -0,0 +1,54 @@
+#!/usr/bin/python3
+##
+## This file is part of the sigrok-util project.
+##
+## Copyright (C) 2013 Marcus Comstedt <marcus@mc.pp.se>
+##
+## 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 3 of the License, 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; if not, see <http://www.gnu.org/licenses/>.
+##
+
+import sys
+import parseelf
+
+def extract_symbol(elf, symname, filename):
+    blob = elf.load_symbol(elf.dynsym[symname])
+    f = open(filename, 'wb')
+    f.write(blob)
+    f.close()
+    print("saved %d bytes to %s" % (len(blob), filename))
+
+def extract_bitstream(elf, lv):
+    extract_symbol(elf, 'gLogic16Lv'+lv+'CompressedBitstream',
+                   'saleae-logic16-fpga-'+lv+'.bitstream')
+
+def usage():
+    print("sigrok-fwextract-saleae-logic16 <programfile>")
+    sys.exit()
+
+
+#
+# main
+#
+
+if len(sys.argv) != 2:
+    usage()
+
+try:
+    filename = sys.argv[1]
+    elf = parseelf.elf(filename)
+    extract_bitstream(elf, '18')
+    extract_bitstream(elf, '33')
+except Exception as e:
+    print("Error: %s" % str(e))
+