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rtio/sed: fix output driver busy output

This commit is contained in:
Sebastien Bourdeauducq 2017-09-11 23:04:52 +08:00
parent 64d9381c36
commit 00ff3f5b0d
1 changed files with 4 additions and 2 deletions
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6
artiq/gateware/rtio/sed/output_driver.py
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@ -96,6 +96,10 @@ class OutputDriver(Module):
self.sync += oif.data.eq(reduce(or_, onehot_data)) self.sync += oif.data.eq(reduce(or_, onehot_data))
# detect busy errors, at lane level to reduce muxing # detect busy errors, at lane level to reduce muxing
self.sync += [
self.busy.eq(0),
self.busy_channel.eq(0)
]
for lane_data in lane_datas: for lane_data in lane_datas:
stb_r = Signal() stb_r = Signal()
channel_r = Signal(max=len(channels)) channel_r = Signal(max=len(channels))
@ -103,8 +107,6 @@ class OutputDriver(Module):
stb_r.eq(lane_data.valid & ~lane_data.collision), stb_r.eq(lane_data.valid & ~lane_data.collision),
channel_r.eq(lane_data.payload.channel), channel_r.eq(lane_data.payload.channel),
self.busy.eq(0),
self.busy_channel.eq(0),
If(stb_r & Array(channel.interface.o.busy for channel in channels)[channel_r], If(stb_r & Array(channel.interface.o.busy for channel in channels)[channel_r],
self.busy.eq(1), self.busy.eq(1),
self.busy_channel.eq(channel_r) self.busy_channel.eq(channel_r)