grabber: prevent glitches in last_x/last_y cdc

2018-07-10 12:56:37 +08:00 · 2018-07-10 12:56:37 +08:00 · 208dc7c218
commit 208dc7c218
parent c4e3c66265
1 changed files with 2 additions and 0 deletions
--- a/artiq/gateware/grabber/core.py
+++ b/artiq/gateware/grabber/core.py
@ -71,6 +71,8 @@ class Parser(Module, AutoCSR):
            )
        ]

+        last_x.attr.add("no_retiming")
+        last_y.attr.add("no_retiming")
        self.specials += [
            MultiReg(last_x, self.last_x.status),
            MultiReg(last_y, self.last_y.status)