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发送单元 接收单元代码收尾

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This commit is contained in:
Ruige Lee
2025-04-09 17:29:57 +08:00
parent d7b04710ae
commit dabfc86983
4 changed files with 179 additions and 59 deletions
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43
src/main/scala/backBoard/ebus/crc32.scala
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@@ -98,9 +98,48 @@ class crc32_8() extends Module{
// val LFSR_POLY = "h4c11db7".U
val lfsr_c = for( i <- 0 until 32 ) yield Wire(Bool())
val lfsr_q = for( i <- 0 until 32 ) yield RegEnable( lfsr_c(i), true.B, io.isEnable )
io.crc := Cat( lfsr_q )
val dataIn = Wire(UInt(8.W))
dataIn := Cat(io.dataIn.asBools)
lfsr_c( 0) := lfsr_q(24) ^ lfsr_q(30) ^ dataIn(0) ^ dataIn(6)
lfsr_c( 1) := lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(0) ^ dataIn(1) ^ dataIn(6) ^ dataIn(7)
lfsr_c( 2) := lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(0) ^ dataIn(1) ^ dataIn(2) ^ dataIn(6) ^ dataIn(7)
lfsr_c( 3) := lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(31) ^ dataIn(1) ^ dataIn(2) ^ dataIn(3) ^ dataIn(7)
lfsr_c( 4) := lfsr_q(24) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(28) ^ lfsr_q(30) ^ dataIn(0) ^ dataIn(2) ^ dataIn(3) ^ dataIn(4) ^ dataIn(6)
lfsr_c( 5) := lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(27) ^ lfsr_q(28) ^ lfsr_q(29) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(0) ^ dataIn(1) ^ dataIn(3) ^ dataIn(4) ^ dataIn(5) ^ dataIn(6) ^ dataIn(7)
lfsr_c( 6) := lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(28) ^ lfsr_q(29) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(1) ^ dataIn(2) ^ dataIn(4) ^ dataIn(5) ^ dataIn(6) ^ dataIn(7)
lfsr_c( 7) := lfsr_q(24) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(29) ^ lfsr_q(31) ^ dataIn(0) ^ dataIn(2) ^ dataIn(3) ^ dataIn(5) ^ dataIn(7)
lfsr_c( 8) := lfsr_q( 0) ^ lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(27) ^ lfsr_q(28) ^ dataIn(0) ^ dataIn(1) ^ dataIn(3) ^ dataIn(4)
lfsr_c( 9) := lfsr_q( 1) ^ lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(28) ^ lfsr_q(29) ^ dataIn(1) ^ dataIn(2) ^ dataIn(4) ^ dataIn(5)
lfsr_c(10) := lfsr_q( 2) ^ lfsr_q(24) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(29) ^ dataIn(0) ^ dataIn(2) ^ dataIn(3) ^ dataIn(5)
lfsr_c(11) := lfsr_q( 3) ^ lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(27) ^ lfsr_q(28) ^ dataIn(0) ^ dataIn(1) ^ dataIn(3) ^ dataIn(4)
lfsr_c(12) := lfsr_q( 4) ^ lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(28) ^ lfsr_q(29) ^ lfsr_q(30) ^ dataIn(0) ^ dataIn(1) ^ dataIn(2) ^ dataIn(4) ^ dataIn(5) ^ dataIn(6)
lfsr_c(13) := lfsr_q( 5) ^ lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(29) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(1) ^ dataIn(2) ^ dataIn(3) ^ dataIn(5) ^ dataIn(6) ^ dataIn(7)
lfsr_c(14) := lfsr_q( 6) ^ lfsr_q(26) ^ lfsr_q(27) ^ lfsr_q(28) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(2) ^ dataIn(3) ^ dataIn(4) ^ dataIn(6) ^ dataIn(7)
lfsr_c(15) := lfsr_q( 7) ^ lfsr_q(27) ^ lfsr_q(28) ^ lfsr_q(29) ^ lfsr_q(31) ^ dataIn(3) ^ dataIn(4) ^ dataIn(5) ^ dataIn(7)
lfsr_c(16) := lfsr_q( 8) ^ lfsr_q(24) ^ lfsr_q(28) ^ lfsr_q(29) ^ dataIn(0) ^ dataIn(4) ^ dataIn(5)
lfsr_c(17) := lfsr_q( 9) ^ lfsr_q(25) ^ lfsr_q(29) ^ lfsr_q(30) ^ dataIn(1) ^ dataIn(5) ^ dataIn(6)
lfsr_c(18) := lfsr_q(10) ^ lfsr_q(26) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(2) ^ dataIn(6) ^ dataIn(7)
lfsr_c(19) := lfsr_q(11) ^ lfsr_q(27) ^ lfsr_q(31) ^ dataIn(3) ^ dataIn(7)
lfsr_c(20) := lfsr_q(12) ^ lfsr_q(28) ^ dataIn(4)
lfsr_c(21) := lfsr_q(13) ^ lfsr_q(29) ^ dataIn(5)
lfsr_c(22) := lfsr_q(14) ^ lfsr_q(24) ^ dataIn(0)
lfsr_c(23) := lfsr_q(15) ^ lfsr_q(24) ^ lfsr_q(25) ^ lfsr_q(30) ^ dataIn(0) ^ dataIn(1) ^ dataIn(6)
lfsr_c(24) := lfsr_q(16) ^ lfsr_q(25) ^ lfsr_q(26) ^ lfsr_q(31) ^ dataIn(1) ^ dataIn(2) ^ dataIn(7)
lfsr_c(25) := lfsr_q(17) ^ lfsr_q(26) ^ lfsr_q(27) ^ dataIn(2) ^ dataIn(3)
lfsr_c(26) := lfsr_q(18) ^ lfsr_q(24) ^ lfsr_q(27) ^ lfsr_q(28) ^ lfsr_q(30) ^ dataIn(0) ^ dataIn(3) ^ dataIn(4) ^ dataIn(6)
lfsr_c(27) := lfsr_q(19) ^ lfsr_q(25) ^ lfsr_q(28) ^ lfsr_q(29) ^ lfsr_q(31) ^ dataIn(1) ^ dataIn(4) ^ dataIn(5) ^ dataIn(7)
lfsr_c(28) := lfsr_q(20) ^ lfsr_q(26) ^ lfsr_q(29) ^ lfsr_q(30) ^ dataIn(2) ^ dataIn(5) ^ dataIn(6)
lfsr_c(29) := lfsr_q(21) ^ lfsr_q(27) ^ lfsr_q(30) ^ lfsr_q(31) ^ dataIn(3) ^ dataIn(6) ^ dataIn(7)
lfsr_c(30) := lfsr_q(22) ^ lfsr_q(28) ^ lfsr_q(31) ^ dataIn(4) ^ dataIn(7)
lfsr_c(31) := lfsr_q(23) ^ lfsr_q(29) ^ dataIn(5)
io.crc := "ha1b2c3d4".U
println("Warning, Empty Module Crc32_8!\n")
}