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drtio: clear any stale FIFO space reply

This commit is contained in:
Sebastien Bourdeauducq 2016-12-12 18:02:56 +08:00
parent 4c59c0fecf
commit d99e64effd
1 changed files with 1 additions and 0 deletions
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artiq/gateware/drtio/rt_controller.py
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@ -169,6 +169,7 @@ class RTController(Module):
status_wait.eq(1), status_wait.eq(1),
rt_packets_fifo_request.eq(1), rt_packets_fifo_request.eq(1),
rt_packets.write_stb.eq(1), rt_packets.write_stb.eq(1),
rt_packets.fifo_space_not_ack.eq(1),
If(rt_packets.write_ack, If(rt_packets.write_ack,
NextState("GET_FIFO_SPACE_REPLY") NextState("GET_FIFO_SPACE_REPLY")
) )