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定向数据流已清

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This commit is contained in:
RuigeLee
2023-11-08 15:41:21 +08:00
parent 99d3490173
commit c31479f898
5 changed files with 19 additions and 9 deletions
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10
src/main/scala/Switch/mac/MacTx.scala
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@@ -130,7 +130,7 @@ trait MacTxFSM { this: MacTxBase =>
StatePreamble := true.B
}
when(StartFCS | StartJam){
when(StartFCS | StartJam | StartDefer){
StatePAD := false.B
}.elsewhen(StartPAD){
StatePAD := true.B
@@ -287,7 +287,13 @@ class MacTx extends MacTxBase with MacTxFSM with MacTxCounter with MacTxCRC {
io.ResetCollision := ~(StatePreamble | (StateData(0) | StateData(1)) | StatePAD | StateFCS)
val ExcessiveDeferOccured = io.TxStartFrm & StateDefer & ExcessiveDefer & ~StopExcessiveDeferOccured
io.StartTxDone := ~io.Collision & (StateFCS & NibCntEq7 | StateData(1) & io.TxEndFrm & NibbleMinFl & ~io.CrcEn)
io.StartTxDone :=
~io.Collision &
( (StateFCS & NibCntEq7) |
(StateData(1) & io.TxEndFrm & NibbleMinFl & ~io.CrcEn) |
(StatePAD & NibbleMinFl & ~io.CrcEn) )
io.LateCollision := StartJam & ~ColWindow
io.MaxCollisionOccured := StartJam & ColWindow;
StateSFD := StatePreamble & NibCntEq15;