icebox: Put .hlc converters under ISC license

1 files changed, 71 insertions, 0 deletions

diff --git a/icebox/tc_rxlat_netnames.py b/icebox/tc_rxlat_netnames.py
new file mode 100644
index 0000000..e8717ed
--- /dev/null
+++ b/icebox/tc_rxlat_netnames.py
@@ -0,0 +1,71 @@
+# Test case for `icebox_hlc2asc': Does net name translation work correctly?
+# Copyright (C) 2017 Roland Lutz
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import sys
+import icebox
+from icebox_asc2hlc import translate_netname
+from icebox_hlc2asc import untranslate_netname
+
+def test_netname_translation(ic):
+    sys.stderr.write("testing backward netname translation "
+                     "for the `%s' device...\n" % ic.device)
+    all_tiles = set()
+    for x in range(ic.max_x + 1):
+        for y in range(ic.max_y + 1):
+            if ic.tile(x, y) is not None:
+                all_tiles.add((x, y))
+
+    netnames = set()
+    failed = False
+
+    for group in ic.group_segments(all_tiles, connect_gb = False):
+        is_span = set(net.startswith('sp') for x, y, net in group)
+        assert len(is_span) == 1
+        if True not in is_span:
+            # only span nets are interesting here
+            continue
+
+        netname = translate_netname(group[0][0], group[0][1],
+                                    ic.max_x - 1, ic.max_y - 1, group[0][2])
+        if netname in netnames:
+            failed = True
+            print("duplicate netname: %s" % netname)
+        netnames.add(netname)
+
+        for x, y, net in group:
+            s = untranslate_netname(x, y, ic.max_x - 1, ic.max_y - 1, netname)
+            if s != net:
+                failed = True
+                print("%-20s %s -> %s" % ("%d %d %s" % (x, y, net), netname, s))
+
+    if failed:
+        sys.stderr.write("ERROR\n")
+        sys.exit(1)
+
+def main():
+    ic = icebox.iceconfig()
+    ic.setup_empty_384()
+    test_netname_translation(ic)
+
+    ic = icebox.iceconfig()
+    ic.setup_empty_1k()
+    test_netname_translation(ic)
+
+    ic = icebox.iceconfig()
+    ic.setup_empty_8k()
+    test_netname_translation(ic)
+
+if __name__ == '__main__':
+    main()