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尝试速率配平，回环改到phy上

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This commit is contained in:
Ruige Lee
2025-05-07 18:12:01 +08:00
parent 19f4140dec
commit b55deb239f
6 changed files with 63 additions and 58 deletions
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45
src/main/scala/backBoard/shin/SlaveSendGen.scala
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@@ -48,10 +48,12 @@ class SlaveSendGen extends Module{
io.isError := stateCurr === STATE_ERROR
crc.io.isEnable :=
crc.io.isEnable := io.send.fire & (
stateCurr === STATE_FRAME_HEADER |
stateCurr === STATE_SUBMSG_HEADER |
stateCurr === STATE_SUBMSG_DATA
stateCurr === STATE_SUBMSG_DATA
)
@@ -84,15 +86,18 @@ class SlaveSendGen extends Module{
val lengthCnt = Reg(UInt(12.W))
val frameLenCnt = Reg(UInt(12.W))
when( stateCurr === STATE_IDLE || stateCurr === STATE_FRAME_HEADER ){
frameLenCnt := 0.U
} .elsewhen( stateCurr === STATE_SUBMSG_HEADER || stateCurr === STATE_SUBMSG_DATA ){
frameLenCnt := frameLenCnt + 1.U
when( io.send.fire ){
when( stateCurr === STATE_FRAME_HEADER ){
frameLenCnt := 0.U
} .elsewhen( stateCurr === STATE_SUBMSG_HEADER || stateCurr === STATE_SUBMSG_DATA ){
frameLenCnt := frameLenCnt + 1.U
}
}
when( stateCurr === STATE_IDLE || stateCurr =/= stateNext ){
when( stateCurr =/= stateNext ){
lengthCnt := 0.U
} .otherwise{
} .elsewhen(io.send.fire){
lengthCnt := lengthCnt + 1.U
}
@@ -109,32 +114,34 @@ class SlaveSendGen extends Module{
stateNext := Mux1H(Seq(
(stateCurr === STATE_IDLE) -> Mux( io.frameReq.fire, STATE_FRAME_HEADER, STATE_IDLE ),
(stateCurr === STATE_FRAME_HEADER) -> Mux( lengthCnt === (4-1).U, Mux(
(stateCurr === STATE_FRAME_HEADER) -> Mux( io.send.fire, Mux( lengthCnt === (4-1).U, Mux(
frameInfo.frameStyle === FRAME_STYLE_COMMON,
Mux(io.subMsgReq.valid, STATE_SUBMSG_HEADER, STATE_ERROR),
STATE_CRC ),
STATE_FRAME_HEADER),
(stateCurr === STATE_SUBMSG_HEADER) -> Mux( lengthCnt === (8-1).U, STATE_SUBMSG_DATA, STATE_SUBMSG_HEADER),
(stateCurr === STATE_SUBMSG_DATA) ->
STATE_FRAME_HEADER), STATE_FRAME_HEADER ),
(stateCurr === STATE_SUBMSG_HEADER) -> Mux( io.send.fire, Mux( lengthCnt === (8-1).U, STATE_SUBMSG_DATA, STATE_SUBMSG_HEADER), STATE_SUBMSG_HEADER),
(stateCurr === STATE_SUBMSG_DATA) -> Mux( io.send.fire,
Mux( lengthCnt === subMsgInfoSel.length-1.U, //已经发送完成该子报文
Mux( frameLenCnt === frameInfo.frameLenAim -1.U, STATE_CRC, //主报文长度达到， 进CRC
Mux( io.subMsgReq.valid, STATE_SUBMSG_HEADER, STATE_ERROR ) ), //主报文长度未到，进下一个子报文
STATE_SUBMSG_DATA
),
(stateCurr === STATE_CRC) -> Mux( lengthCnt === (4-1).U, STATE_IDLE, STATE_CRC),
(stateCurr === STATE_ERROR) -> STATE_IDLE,
// (stateCurr === STATE_WAIT) ->
), STATE_SUBMSG_DATA ),
(stateCurr === STATE_CRC) -> Mux( io.send.fire, Mux( lengthCnt === (4-1).U, STATE_IDLE, STATE_CRC ), STATE_CRC),
(stateCurr === STATE_ERROR) -> Mux( io.send.fire, STATE_IDLE, STATE_ERROR),
))
io.data(0).ready := (stateCurr === STATE_SUBMSG_DATA) & (subMsgInfoSel.source === 0.U)
io.data(1).ready := (stateCurr === STATE_SUBMSG_DATA) & (subMsgInfoSel.source === 1.U)
io.data(0).ready := io.send.fire & (stateCurr === STATE_SUBMSG_DATA) & (subMsgInfoSel.source === 0.U)
io.data(1).ready := io.send.fire & (stateCurr === STATE_SUBMSG_DATA) & (subMsgInfoSel.source === 1.U)
assert( ~(io.data(0).ready & ~io.data(0).valid) )
assert( ~(io.data(1).ready & ~io.data(1).valid) )
io.send.valid :=
(stateCurr === STATE_FRAME_HEADER) |
(stateCurr === STATE_SUBMSG_HEADER) |
(stateCurr === STATE_SUBMSG_DATA) |
(stateCurr === STATE_SUBMSG_DATA & ( (io.data(0).valid & subMsgInfoSel.source === 0.U) | (io.data(1).valid & subMsgInfoSel.source === 1.U) )) |
(stateCurr === STATE_CRC)