spi: do not shift when starting a xfer, closes #495

2016-07-04 12:22:47 +02:00 · 2016-07-04 12:22:47 +02:00 · 71921de5bd
commit 71921de5bd
parent 4a6c270afe
1 changed files with 1 additions and 1 deletions
--- a/artiq/gateware/spi.py
+++ b/artiq/gateware/spi.py
@ -125,7 +125,7 @@ class SPIMachine(Module):
                    NextState("WAIT"),
                )
            ).Else(
-                self.reg.shift.eq(1),
+                self.reg.shift.eq(~self.start),
                NextState("SETUP"),
            )
        )