module test_eth_mac_1g;

// Parameters
parameter DATA_WIDTH = 8;
parameter ENABLE_PADDING = 1;
parameter MIN_FRAME_LENGTH = 64;
parameter TX_PTP_TS_ENABLE = 0;
parameter TX_PTP_TS_WIDTH = 96;
parameter TX_PTP_TAG_ENABLE = TX_PTP_TS_ENABLE;
parameter TX_PTP_TAG_WIDTH = 16;
parameter RX_PTP_TS_ENABLE = 0;
parameter RX_PTP_TS_WIDTH = 96;
parameter TX_USER_WIDTH = (TX_PTP_TAG_ENABLE ? TX_PTP_TAG_WIDTH : 0) + 1;
parameter RX_USER_WIDTH = (RX_PTP_TS_ENABLE ? RX_PTP_TS_WIDTH : 0) + 1;

// Inputs
reg clk = 0;
reg rst = 0;
reg [7:0] current_test = 0;

reg rx_clk = 0;
reg rx_rst = 0;
reg tx_clk = 0;
reg tx_rst = 0;
reg [DATA_WIDTH-1:0] tx_axis_tdata = 0;
reg tx_axis_tvalid = 0;
reg tx_axis_tlast = 0;
reg [TX_USER_WIDTH-1:0] tx_axis_tuser = 0;
reg [DATA_WIDTH-1:0] gmii_rxd = 0;
reg gmii_rx_dv = 0;
reg gmii_rx_er = 0;
reg [TX_PTP_TS_WIDTH-1:0] tx_ptp_ts = 0;
reg [RX_PTP_TS_WIDTH-1:0] rx_ptp_ts = 0;
reg rx_clk_enable = 1;
reg tx_clk_enable = 1;
reg rx_mii_select = 0;
reg tx_mii_select = 0;
reg [7:0] ifg_delay = 0;

// Outputs
wire tx_axis_tready;
wire [DATA_WIDTH-1:0] rx_axis_tdata;
wire rx_axis_tvalid;
wire rx_axis_tlast;
wire [RX_USER_WIDTH-1:0] rx_axis_tuser;
wire [DATA_WIDTH-1:0] gmii_txd;
wire gmii_tx_en;
wire gmii_tx_er;
wire [TX_PTP_TS_WIDTH-1:0] tx_axis_ptp_ts;
wire [TX_PTP_TAG_WIDTH-1:0] tx_axis_ptp_ts_tag;
wire tx_axis_ptp_ts_valid;
wire tx_start_packet;
wire tx_error_underflow;
wire rx_start_packet;
wire rx_error_bad_frame;
wire rx_error_bad_fcs;

initial begin
    // myhdl integration
    $from_myhdl(
        clk,
        rst,
        current_test,
        rx_clk,
        rx_rst,
        tx_clk,
        tx_rst,
        tx_axis_tdata,
        tx_axis_tvalid,
        tx_axis_tlast,
        tx_axis_tuser,
        gmii_rxd,
        gmii_rx_dv,
        gmii_rx_er,
        tx_ptp_ts,
        rx_ptp_ts,
        rx_clk_enable,
        tx_clk_enable,
        rx_mii_select,
        tx_mii_select,
        ifg_delay
    );
    $to_myhdl(
        tx_axis_tready,
        rx_axis_tdata,
        rx_axis_tvalid,
        rx_axis_tlast,
        rx_axis_tuser,
        gmii_txd,
        gmii_tx_en,
        gmii_tx_er,
        tx_axis_ptp_ts,
        tx_axis_ptp_ts_tag,
        tx_axis_ptp_ts_valid,
        tx_start_packet,
        tx_error_underflow,
        rx_start_packet,
        rx_error_bad_frame,
        rx_error_bad_fcs
    );

    // dump file
    $dumpfile("test_eth_mac_1g.lxt");
    $dumpvars(0, test_eth_mac_1g);
end

eth_mac_1g #(
    .DATA_WIDTH(DATA_WIDTH),
    .ENABLE_PADDING(ENABLE_PADDING),
    .MIN_FRAME_LENGTH(MIN_FRAME_LENGTH),
    .TX_PTP_TS_ENABLE(TX_PTP_TS_ENABLE),
    .TX_PTP_TS_WIDTH(TX_PTP_TS_WIDTH),
    .TX_PTP_TAG_ENABLE(TX_PTP_TAG_ENABLE),
    .TX_PTP_TAG_WIDTH(TX_PTP_TAG_WIDTH),
    .RX_PTP_TS_ENABLE(RX_PTP_TS_ENABLE),
    .RX_PTP_TS_WIDTH(RX_PTP_TS_WIDTH),
    .TX_USER_WIDTH(TX_USER_WIDTH),
    .RX_USER_WIDTH(RX_USER_WIDTH)
)
UUT (
    .rx_clk(rx_clk),
    .rx_rst(rx_rst),
    .tx_clk(tx_clk),
    .tx_rst(tx_rst),
    .tx_axis_tdata(tx_axis_tdata),
    .tx_axis_tvalid(tx_axis_tvalid),
    .tx_axis_tready(tx_axis_tready),
    .tx_axis_tlast(tx_axis_tlast),
    .tx_axis_tuser(tx_axis_tuser),
    .rx_axis_tdata(rx_axis_tdata),
    .rx_axis_tvalid(rx_axis_tvalid),
    .rx_axis_tlast(rx_axis_tlast),
    .rx_axis_tuser(rx_axis_tuser),
    .gmii_rxd(gmii_rxd),
    .gmii_rx_dv(gmii_rx_dv),
    .gmii_rx_er(gmii_rx_er),
    .gmii_txd(gmii_txd),
    .gmii_tx_en(gmii_tx_en),
    .gmii_tx_er(gmii_tx_er),
    .tx_ptp_ts(tx_ptp_ts),
    .rx_ptp_ts(rx_ptp_ts),
    .tx_axis_ptp_ts(tx_axis_ptp_ts),
    .tx_axis_ptp_ts_tag(tx_axis_ptp_ts_tag),
    .tx_axis_ptp_ts_valid(tx_axis_ptp_ts_valid),
    .rx_clk_enable(rx_clk_enable),
    .tx_clk_enable(tx_clk_enable),
    .rx_mii_select(rx_mii_select),
    .tx_mii_select(tx_mii_select),
    .tx_start_packet(tx_start_packet),
    .tx_error_underflow(tx_error_underflow),
    .rx_start_packet(rx_start_packet),
    .rx_error_bad_frame(rx_error_bad_frame),
    .rx_error_bad_fcs(rx_error_bad_fcs),
    .ifg_delay(ifg_delay)
);

endmodule