package BACK

import chisel3._
import chisel3.util._


trait BackBoardSlvOut16{ this: BackBoardSlvLocal =>

  val outRegSync  = Wire(UInt(16.W))

  val mthodReg = RegInit(0.U(16.W))
  val valueReg = RegInit(0.U(16.W))

  val outPin = Wire(UInt(16.W))

  outPin := 
    Mux(statusPR === 3.U, outRegSync, (mthodReg & valueReg) | (~mthodReg & outRegSync))

}


class DOut16 extends BackBoardSlvLocal
with BackBoardSlvStatusPR
with BackBoardSlvOut16{
  val out = IO(Output(UInt(16.W)))
  val flt = IO(Input(Vec(2, Bool())))
  val v24Det = IO(Input(Bool()))
  val LED_ERR = IO(Output(Bool()))
  val outReg  = RegInit(0.U(16.W))

  LED_ERR := v24Det

  when( isCrcPass & downRegTemp(0)(3,0) === 0.U ){
    outReg := Cat(downRegTemp(13), downRegTemp(12))
  }
  when( isCrcPass & downRegTemp(0)(3,0) === 0.U ){
    mthodReg := Cat(downRegTemp(9), downRegTemp(8))
    valueReg := Cat(downRegTemp(11), downRegTemp(10))
  }

  outRegSync := RegEnable( outReg, 0.U, isUpdate )

  when( statusPage === 0.U ){
    upReg(2) := Cat( 0.U(7.W), ~v24Det )
    upReg(3) := 0.U
    upReg(4) := Cat( 0.U(7.W), ~flt(0) )
    upReg(5) := 0.U
    upReg(6) := Cat( 0.U(7.W), ~flt(1) )
    upReg(7) := 0.U

    upReg(8) := mthodReg(7,0)
    upReg(9) := mthodReg(15,8)

    upReg(10) := valueReg(7,0)
    upReg(11) := valueReg(15,8)

    upReg(12) := outReg(7,0)
    upReg(13) := outReg(15,8)

  }

  out := outPin

}