drtio: fix error CSR edge detection (#947)

2018-03-08 16:28:25 +08:00 · 2018-03-08 16:28:25 +08:00 · 8bd15d36c4
parent 0adbbd8ede
commit 8bd15d36c4
1 changed files with 1 additions and 1 deletions
--- a/artiq/gateware/drtio/rt_errors_satellite.py
+++ b/artiq/gateware/drtio/rt_errors_satellite.py
@ -28,7 +28,7 @@ class RTErrorsSatellite(Module, AutoCSR):
                if detect_edges:
                    source_r = Signal()
                    self.sync.rio += source_r.eq(source)
-                    self.comb += xfer.i.eq(source & source_r)
+                    self.comb += xfer.i.eq(source & ~source_r)
                else:
                    self.comb += xfer.i.eq(source)