This commit is contained in:
Ruige Lee
2023-08-16 06:12:49 +00:00
parent 6c2f0b02f8
commit bbd0f0b887

View File

@@ -5,24 +5,83 @@ import chisel3.util._
class BackBoardMstIO extends Bundle{ class BackBoardMstIO extends Bundle{
val downStreamReqDat = Input( Bool() ) val FSMC = new FSMC_Port_Bundle
val downStreamRespdat = Output(Bool())
val CS = Input(Bool()) val reset = Input(Bool())
val MISO = Output(Bool()) val oser_pclk = Input(Bool())
val MOSI = Input(Bool()) val oser_fclk = Input(Bool())
val SCK = Input(Bool()) val ides_pclk = Input(Bool())
val ides_fclk = Input(Bool())
val interrupt = Output(Bool())
val clk4 = Input( Bool() )
val lvds_down_dout = Output(Bool())
val lvds_up_din = Input(Bool())
} }
class BackBoardMst extends Module{ class BackBoardMst extends RawModule{
val io: BackBoardMstIO = IO(new BackBoardMstIO) val io: BackBoardMstIO = IO(new BackBoardMstIO)
val fsmcSlv = Module(new FSMCSlv)
fsmcSlv.io.FSMC <> io.FSMC
val lvdsMst = Module(new Lvds_Bus_Master)
lvdsMst.io.rst_n := ~io.reset
lvdsMst.io.oser_pclk := io.oser_pclk
lvdsMst.io.oser_fclk := io.oser_fclk
lvdsMst.io.ides_pclk := io.ides_pclk
lvdsMst.io.ides_fclk := io.ides_fclk
io.lvds_down_dout := lvdsMst.io.lvds_down_dout
lvdsMst.io.lvds_up_din := io.lvds_up_din
lvdsMst.io.frame_info_update_en = Input(Bool())
lvdsMst.io.slave_type_num = Input(UInt(8.W))
lvdsMst.io.slave_data_length = Input(UInt(8.W))
lvdsMst.io.tx_start = Input(Bool())
lvdsMst.io.tx_data_in = Input(UInt(8.W))
lvdsMst.io.tx_data_ready = Output(Bool())
lvdsMst.io.downstream_busy = Output(Bool())
lvdsMst.io.rx_data_out = Output(UInt(8.W))
lvdsMst.io.rx_data_valid = Output(Bool())
lvdsMst.io.upstream_crc_valid = Output(Bool())
lvdsMst.io.upstream_crc_err = Output(Bool())
lvdsMst.io.upstream_crc_err_count = Output(UInt(8.W))
lvdsMst.io.upstream_cdr_err = Output(Bool())
fsmcSlv.io.CDRIn = Flipped(Valid(new CDRData))
fsmcSlv.io.CDROut = Valid(new CDRData)
val stateNxt = Wire( UInt( 2.W ) )
val stateCur = RegNext( stateNxt, 0.U )
when( stateCur === 0.U ){
stateNxt := 0.U
when( )
} .elsewhen( stateCur === 1.U ){
stateNxt := 1.U
} .elsewhen( stateCur === 2.U ){
stateNxt := 2.U
} .elsewhen( stateCur === 3.U ){
stateNxt := 3.U
}
} }