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analyzer: fix byte_count

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This commit is contained in:
Sebastien Bourdeauducq 2016-03-15 20:33:08 +08:00
parent 62ac4e3c2e
commit 85ea70a664
1 changed files with 10 additions and 12 deletions
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22
artiq/gateware/rtio/analyzer.py
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@ -167,11 +167,9 @@ class DMAWriter(Module, AutoCSR):
alignment_bits=data_alignment)
self.byte_count = CSRStatus(32) # only read when shut down
sink_layout = [("data", dw)]
if messages_per_dw > 1:
sink_layout.append(("valid_token_count",
bits_for(messages_per_dw)))
self.sink = stream.Endpoint(sink_layout)
self.sink = stream.Endpoint(
[("data", dw),
("valid_token_count", bits_for(messages_per_dw))])
# # #
@ -201,12 +199,13 @@ class DMAWriter(Module, AutoCSR):
)
]
event_counter = Signal(32)
message_count = Signal(32 - log2_int(message_len))
self.comb += self.byte_count.status.eq(
event_counter << data_alignment)
message_count << log2_int(message_len))
self.sync += [
If(self.reset.re, event_counter.eq(0)),
If(membus.ack, event_counter.eq(event_counter + 1))
If(self.reset.re, message_count.eq(0)),
If(membus.ack, message_count.eq(
message_count + self.sink.valid_token_count))
]
@ -220,10 +219,9 @@ class Analyzer(Module, AutoCSR):
rtio_core, self.enable.storage)
self.submodules.fifo = stream.SyncFIFO(
[("data", message_len)], fifo_depth, True)
dw = len(membus.dat_w)
self.submodules.converter = stream.Converter(
message_len, dw, reverse=True,
report_valid_token_count=dw > message_len)
message_len, len(membus.dat_w), reverse=True,
report_valid_token_count=True)
self.submodules.dma = DMAWriter(membus)
enable_r = Signal()