1 files changed, 57 insertions, 0 deletions
diff --git a/fpga/usrp3/top/python/make_lvbitx.py b/fpga/usrp3/top/python/make_lvbitx.py
new file mode 100644
index 000000000..b8ed99866
--- /dev/null
+++ b/fpga/usrp3/top/python/make_lvbitx.py
@@ -0,0 +1,57 @@
+#!/usr/bin/env python
+#
+# Copyright 2012 Ettus Research LLC
+#
+
+
+import xml.etree.ElementTree as et
+import base64
+from optparse import OptionParser
+
+
+def main():
+    parser = OptionParser()
+    parser.add_option("-l", "--lvbitxfile", dest="lvbitxfile",
+                  help="donor labview fpga bitfile", metavar="LVBITXFILE")
+
+    parser.add_option("-b", "--bitfile", dest="bitfile",
+                  help="xilinx generated bitfile", metavar="BITFILE")
+
+    parser.add_option("-o", "--output", dest="outfile",
+                  help="output labview fpga bitfile", metavar="OUTFILE")
+
+    parser.add_option("-s", "--signature", dest="signature",
+                  help="output labview fpga bitfile signature", metavar="SIGNATURE",
+                  default="ABCDEFG")
+
+
+    (options, args) = parser.parse_args()
+
+    tree = et.parse(options.lvbitxfile)
+    root = tree.getroot()
+    bs = root.find('Bitstream')
+    if bs is None: return
+
+    print('Found "%s" tag in "%s"...' % (bs.tag, options.lvbitxfile))
+
+    print('Writing old bitfile content to "%s"...' % (options.bitfile+'.bak'))
+    f_old = open(options.bitfile+'.bak', 'w')
+    f_old.write(base64.b64decode(bs.text))
+    f_old.close()
+
+
+    print('Reading new bitfile "%s"...' % options.bitfile)
+    f = open(options.bitfile, 'r')
+    newbs = base64.b64encode(f.read())
+    f.close()
+
+
+    bs.text = newbs
+    print('Saving new labview bitfile to  "%s"...' % options.outfile)
+    tree.write(options.outfile, xml_declaration=True, encoding='utf-8')
+
+if __name__ == '__main__':
+    try:
+        main()
+    except KeyboardInterrupt:
+        pass