| Line 48... |
Line 48... |
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//
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//
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input gotfct_tx,
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input gotfct_tx,
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input send_fct_now,
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input send_fct_now,
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//
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//
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output reg tx_dout_e,
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output reg tx_sout_e,
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//
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//
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output reg ready_tx_data,
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output ready_tx_data,
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output reg ready_tx_timecode
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output ready_tx_timecode,
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output tx_dout_e,
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output tx_sout_e
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);
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);
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wire [13:0] timecode_s;
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wire [5:0] last_type;
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wire txdata_flagctrl_tx_last;
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wire [8:0] tx_data_in;
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wire [8:0] tx_data_in_0;
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wire process_data;
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wire process_data_0;
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wire last_timein_control_flag_tx;
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wire [7:0] tx_tcode_in;
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wire tcode_rdy_trnsp;
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wire fct_counter_p;
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wire [2:0] fct_flag_p;
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wire get_data;
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wire get_data_0;
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wire char_sent;
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wire fct_sent;
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wire tx_dout;
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wire tx_sout;
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tx_fsm_m tx_fsm(
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.pclk_tx(pclk_tx),
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.enable_tx(enable_tx),
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.send_null_tx(send_null_tx),
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.send_fct_tx(send_fct_tx),
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.get_data(get_data),
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.get_data_0(get_data_0),
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.tx_data_in(tx_data_in),
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.tx_data_in_0(tx_data_in_0),
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.process_data(process_data),
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.process_data_0(process_data_0),
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.tx_tcode_in(tx_tcode_in),
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.tcode_rdy_trnsp(tcode_rdy_trnsp),
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localparam [6:0] tx_spw_start = 7'b0000000,
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.ready_tx_data(ready_tx_data),
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tx_spw_null = 7'b0000001,
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.ready_tx_timecode(ready_tx_timecode),
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tx_spw_fct = 7'b0000010,
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tx_spw_null_c = 7'b0000100,
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tx_spw_fct_c = 7'b0001000,
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tx_spw_data_c = 7'b0010000,
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tx_spw_data_c_0 = 7'b0100000,
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tx_spw_time_code_c = 7'b1000000;
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localparam [5:0] NULL = 6'b000001,
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FCT = 6'b000010,
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EOP = 6'b000100,
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EEP = 6'b001000,
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DATA = 6'b010000,
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TIMEC = 6'b100000;
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localparam [7:0] null_s = 8'b01110100;
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localparam [2:0] fct_s = 3'b100;
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localparam [3:0] eop_s = 4'b0101;
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localparam [3:0] eep_s = 4'b0110;
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localparam [13:0] timecode_ss = 14'b01110000000000;
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reg [6:0] state_tx;
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reg [6:0] next_state_tx;
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reg [2:0] state_fct_send;
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reg [2:0] next_state_fct_send;
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reg [2:0] state_fct_receive;
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reg [2:0] next_state_fct_receive;
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reg [2:0] state_data_fifo;
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reg [2:0] next_state_data_fifo;
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reg [13:0] timecode_s;
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reg [5:0] last_type;
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reg [8:0] txdata_flagctrl_tx_last;
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reg [8:0] tx_data_in;
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reg [8:0] tx_data_in_0;
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reg process_data;
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reg process_data_0;
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reg last_process_data;
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reg [7:0] last_timein_control_flag_tx;
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reg [7:0] tx_tcode_in;
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reg tcode_rdy_trnsp;
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reg [2:0] fct_send;
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reg [2:0] fct_flag;
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reg [5:0] fct_counter_receive;
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reg block_decrement;
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reg char_sent;
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reg fct_sent;
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reg last_tx_dout;
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reg last_tx_sout;
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reg tx_dout;
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reg tx_sout;
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reg tx_dout_null;
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reg tx_dout_fct;
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reg tx_dout_timecode;
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reg tx_dout_data;
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reg [3:0] global_counter_transfer;
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always@(posedge pclk_tx or negedge enable_tx)
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begin
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if(!enable_tx)
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begin
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tx_dout <= 1'b0;
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end
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else
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begin
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case(state_tx)
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tx_spw_start:
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begin
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if(send_null_tx && enable_tx)
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begin
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tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);
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end
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else
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begin
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tx_dout <= 1'b0;
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end
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end
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tx_spw_null,tx_spw_null_c:
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begin
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if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^null_s[0]^null_s[1]);
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end
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else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^fct_s[0]^fct_s[1]);
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end
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else if(last_type == EOP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^eop_s[0]^eop_s[1]);
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end
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else if(last_type == EEP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^eep_s[0]^eep_s[1]);
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end
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else if(last_type == DATA && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
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end
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else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(null_s[6]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
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end
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else if(global_counter_transfer[3:0] == 4'd1)
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begin
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tx_dout <= null_s[6];
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end
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else if(global_counter_transfer[3:0] == 4'd2)
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begin
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tx_dout <= null_s[5];
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end
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else if(global_counter_transfer[3:0] == 4'd3)
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begin
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tx_dout <= null_s[4];
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end
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else if(global_counter_transfer[3:0] == 4'd4)
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begin
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tx_dout <= null_s[3];
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end
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else if(global_counter_transfer[3:0] == 4'd5)
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begin
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tx_dout <= null_s[2];
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end
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else if(global_counter_transfer[3:0] == 4'd6)
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begin
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tx_dout <= null_s[1];
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end
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else if(global_counter_transfer[3:0] == 4'd7)
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begin
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tx_dout <= null_s[0];
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end
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end
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tx_spw_fct,tx_spw_fct_c:
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begin
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if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^null_s[0]^null_s[1]);
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end
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else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^fct_s[0]^fct_s[1]);
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end
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else if(last_type == EOP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^eop_s[0]^eop_s[1]);
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end
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else if(last_type == EEP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^eep_s[0]^eep_s[1]);
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end
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else if (last_type == DATA && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
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end
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else if(last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(fct_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
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end
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else if(global_counter_transfer[3:0] == 4'd1)
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begin
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tx_dout <= fct_s[2];
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end
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else if(global_counter_transfer[3:0] == 4'd2)
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begin
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tx_dout <= fct_s[1];
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end
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else if(global_counter_transfer[3:0] == 4'd3)
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begin
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tx_dout <= fct_s[0];
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end
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end
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tx_spw_data_c:
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begin
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if(!tx_data_in[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^null_s[0]^null_s[1]);
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end
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else if(!tx_data_in[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^fct_s[0]^fct_s[1]);
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end
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else if(!tx_data_in[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^eop_s[0]^eop_s[1]);
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end
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else if(!tx_data_in[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^eep_s[0]^eep_s[1]);
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end
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else if(!tx_data_in[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
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end
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else if(!tx_data_in[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(tx_data_in[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
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begin
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tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);
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end
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
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begin
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tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
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|
end
|
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else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
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end
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd1)
|
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begin
|
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tx_dout <= tx_data_in[8];
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end
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd2)
|
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begin
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tx_dout <= tx_data_in[0];
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end
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= tx_data_in[1];
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end
|
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd4)
|
|
begin
|
|
tx_dout <= tx_data_in[2];
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end
|
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd5)
|
|
begin
|
|
tx_dout <= tx_data_in[3];
|
|
end
|
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd6)
|
|
begin
|
|
tx_dout <= tx_data_in[4];
|
|
end
|
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd7)
|
|
begin
|
|
tx_dout <= tx_data_in[5];
|
|
end
|
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd8)
|
|
begin
|
|
tx_dout <= tx_data_in[6];
|
|
end
|
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else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd9)
|
|
begin
|
|
tx_dout <= tx_data_in[7];
|
|
end
|
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= eep_s[2];
|
|
end
|
|
else if( tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= eep_s[1];
|
|
end
|
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= eep_s[0];
|
|
end
|
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= eop_s[2];
|
|
end
|
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= eop_s[1];
|
|
end
|
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= eop_s[0];
|
|
end
|
|
end
|
|
tx_spw_data_c_0:
|
|
begin
|
|
if(!tx_data_in_0[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^null_s[0]^null_s[1]);
|
|
end
|
|
else if(!tx_data_in_0[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^fct_s[0]^fct_s[1]);
|
|
end
|
|
else if(!tx_data_in_0[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^eop_s[0]^eop_s[1]);
|
|
end
|
|
else if(!tx_data_in_0[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^eep_s[0]^eep_s[1]);
|
|
end
|
|
else if(!tx_data_in_0[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
|
|
end
|
|
else if(!tx_data_in_0[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(tx_data_in_0[8]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^null_s[0]^null_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^fct_s[0]^fct_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^eop_s[0]^eop_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^eep_s[0]^eep_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eop_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^null_s[0]^null_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^fct_s[0]^fct_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^eop_s[0]^eop_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^eep_s[0]^eep_s[1]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(eep_s[2]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= tx_data_in_0[8];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= tx_data_in_0[0];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= tx_data_in_0[1];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd4)
|
|
begin
|
|
tx_dout <= tx_data_in_0[2];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd5)
|
|
begin
|
|
tx_dout <= tx_data_in_0[3];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd6)
|
|
begin
|
|
tx_dout <= tx_data_in_0[4];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd7)
|
|
begin
|
|
tx_dout <= tx_data_in_0[5];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd8)
|
|
begin
|
|
tx_dout <= tx_data_in_0[6];
|
|
end
|
|
else if(!tx_data_in_0[8] && global_counter_transfer[3:0] == 4'd9)
|
|
begin
|
|
tx_dout <= tx_data_in_0[7];
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= eep_s[2];
|
|
end
|
|
else if( tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= eep_s[1];
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= eep_s[0];
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= eop_s[2];
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= eop_s[1];
|
|
end
|
|
else if(tx_data_in_0[8] && tx_data_in_0[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= eop_s[0];
|
|
end
|
|
end
|
|
tx_spw_time_code_c:
|
|
begin
|
|
if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^null_s[0]^null_s[1]);
|
|
end
|
|
else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^fct_s[0]^fct_s[1]);
|
|
end
|
|
else if (last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^eop_s[0]^eop_s[1]);
|
|
end
|
|
else if( last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^eep_s[0]^eep_s[1]);
|
|
end
|
|
else if( last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^txdata_flagctrl_tx_last[0]^txdata_flagctrl_tx_last[1]^txdata_flagctrl_tx_last[2]^txdata_flagctrl_tx_last[3]^ txdata_flagctrl_tx_last[4]^txdata_flagctrl_tx_last[5]^txdata_flagctrl_tx_last[6]^txdata_flagctrl_tx_last[7]);
|
|
end
|
|
else if( last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
|
begin
|
|
tx_dout <= !(timecode_s[12]^last_timein_control_flag_tx[7]^last_timein_control_flag_tx[6]^last_timein_control_flag_tx[5]^last_timein_control_flag_tx[4]^last_timein_control_flag_tx[3]^last_timein_control_flag_tx[2]^last_timein_control_flag_tx[1]^last_timein_control_flag_tx[0]);
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd1)
|
|
begin
|
|
tx_dout <= timecode_s[12];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd2)
|
|
begin
|
|
tx_dout <= timecode_s[11];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd3)
|
|
begin
|
|
tx_dout <= timecode_s[10];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd4)
|
|
begin
|
|
tx_dout <= timecode_s[9];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd5)
|
|
begin
|
|
tx_dout <= timecode_s[8];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd6)
|
|
begin
|
|
tx_dout <= timecode_s[0];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd7)
|
|
begin
|
|
tx_dout <= timecode_s[1];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd8)
|
|
begin
|
|
tx_dout <= timecode_s[2];
|
|
end
|
|
else if(global_counter_transfer[3:0] == 4'd9)
|
|
begin
|
|
tx_dout <= timecode_s[3];
|
|
end
|
|
else if(global_counter_transfer[3:0] == 4'd10)
|
|
begin
|
|
tx_dout <= timecode_s[4];
|
|
end
|
|
else if(global_counter_transfer[3:0] == 4'd11)
|
|
begin
|
|
tx_dout <= timecode_s[5];
|
|
end
|
|
else if( global_counter_transfer[3:0] == 4'd12)
|
|
begin
|
|
tx_dout <= timecode_s[6];
|
|
end
|
|
else if(global_counter_transfer[3:0] == 4'd13)
|
|
begin
|
|
tx_dout <= timecode_s[7];
|
|
end
|
|
end
|
|
default:
|
|
begin
|
|
end
|
|
endcase
|
|
end
|
|
end
|
|
|
|
//strobe
|
|
always@(*)
|
|
begin
|
|
|
|
tx_sout = last_tx_sout;
|
|
|
|
if(tx_dout == last_tx_dout)
|
|
begin
|
|
tx_sout = !last_tx_sout;
|
|
end
|
|
else if(tx_dout != last_tx_dout)
|
|
begin
|
|
tx_sout = last_tx_sout;
|
|
end
|
|
end
|
|
|
|
always@(*)
|
|
begin
|
|
next_state_fct_send = state_fct_send;
|
|
|
|
case(state_fct_send)
|
|
3'd0:
|
|
begin
|
|
if(send_fct_now)
|
|
begin
|
|
next_state_fct_send = 3'd1;
|
|
end
|
|
else if(fct_sent)
|
|
begin
|
|
next_state_fct_send = 3'd3;
|
|
end
|
|
else
|
|
next_state_fct_send = 3'd0;
|
|
end
|
|
3'd1:
|
|
begin
|
|
next_state_fct_send = 3'd2;
|
|
end
|
|
3'd2:
|
|
begin
|
|
if(send_fct_now)
|
|
begin
|
|
next_state_fct_send = 3'd2;
|
|
end
|
|
else
|
|
begin
|
|
next_state_fct_send = 3'd0;
|
|
end
|
|
end
|
|
3'd3:
|
|
begin
|
|
next_state_fct_send = 3'd4;
|
|
end
|
|
3'd4:
|
|
begin
|
|
if(fct_sent)
|
|
begin
|
|
next_state_fct_send = 3'd4;
|
|
end
|
|
else
|
|
begin
|
|
next_state_fct_send = 3'd0;
|
|
end
|
|
end
|
|
default:
|
|
begin
|
|
next_state_fct_send = 3'd0;
|
|
end
|
|
endcase
|
|
end
|
|
|
|
always@(posedge pclk_tx or negedge enable_tx)
|
|
begin
|
|
if(!enable_tx)
|
|
begin
|
|
fct_flag <= 3'd7;
|
|
state_fct_send<= 3'd0;
|
|
end
|
|
else
|
|
begin
|
|
state_fct_send <= next_state_fct_send;
|
|
|
|
case(state_fct_send)
|
|
3'd0:
|
|
begin
|
|
fct_flag <= fct_flag;
|
|
end
|
|
3'd1:
|
|
begin
|
|
if(fct_flag < 3'd7)
|
|
fct_flag <= fct_flag + 3'd1;
|
|
else
|
|
fct_flag <= fct_flag;
|
|
end
|
|
3'd2:
|
|
begin
|
|
fct_flag <= fct_flag;
|
|
end
|
|
3'd3:
|
|
begin
|
|
if(fct_flag > 3'd0)
|
|
fct_flag <= fct_flag - 3'd1;
|
|
else
|
|
fct_flag <= fct_flag;
|
|
end
|
|
3'd4:
|
|
begin
|
|
fct_flag <= fct_flag;
|
|
end
|
|
default:
|
|
begin
|
|
fct_flag <= fct_flag;
|
|
end
|
|
endcase
|
|
end
|
|
end
|
|
|
|
|
|
always@(*)
|
|
begin
|
|
next_state_fct_receive = state_fct_receive;
|
|
|
|
case(state_fct_receive)
|
|
3'd0:
|
|
begin
|
|
if(gotfct_tx)
|
|
begin
|
|
next_state_fct_receive = 3'd1;
|
|
end
|
|
else if(char_sent)
|
|
begin
|
|
next_state_fct_receive = 3'd3;
|
|
end
|
|
else
|
|
next_state_fct_receive = 3'd0;
|
|
end
|
|
3'd1:
|
|
begin
|
|
|
|
next_state_fct_receive = 3'd2;
|
|
end
|
|
3'd2:
|
|
begin
|
|
if(gotfct_tx)
|
|
begin
|
|
next_state_fct_receive = 3'd2;
|
|
end
|
|
else
|
|
begin
|
|
next_state_fct_receive = 3'd0;
|
|
end
|
|
end
|
|
3'd3:
|
|
begin
|
|
next_state_fct_receive = 3'd4;
|
|
end
|
|
3'd4:
|
|
begin
|
|
if(char_sent)
|
|
begin
|
|
next_state_fct_receive = 3'd4;
|
|
end
|
|
else
|
|
begin
|
|
next_state_fct_receive = 3'd0;
|
|
end
|
|
end
|
|
default:
|
|
begin
|
|
next_state_fct_receive = 3'd0;
|
|
end
|
|
endcase
|
|
end
|
|
|
|
|
|
always@(posedge pclk_tx or negedge enable_tx)
|
|
begin
|
|
if(!enable_tx)
|
|
begin
|
|
fct_counter_receive<= 6'd0;
|
|
state_fct_receive <= 3'd0;
|
|
end
|
|
else
|
|
begin
|
|
|
|
state_fct_receive <= next_state_fct_receive;
|
|
|
|
case(state_fct_receive)
|
|
3'd0:
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive;
|
|
end
|
|
3'd1:
|
|
begin
|
|
if(fct_counter_receive < 6'd48)
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive + 6'd8;
|
|
end
|
|
else
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive + 6'd7;
|
|
end
|
|
end
|
|
3'd2:
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive;
|
|
end
|
|
3'd3:
|
|
begin
|
|
if(fct_counter_receive == 6'd0)
|
|
fct_counter_receive <= fct_counter_receive;
|
|
else
|
|
fct_counter_receive <= fct_counter_receive - 6'd1;
|
|
end
|
|
3'd4:
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive;
|
|
end
|
|
default:
|
|
begin
|
|
fct_counter_receive <= fct_counter_receive;
|
|
end
|
|
endcase
|
|
end
|
|
end
|
|
|
|
always@(*)
|
|
begin
|
|
next_state_tx = state_tx;
|
|
|
|
case(state_tx)
|
|
tx_spw_start:
|
|
begin
|
|
if(send_null_tx && enable_tx)
|
|
begin
|
|
next_state_tx = tx_spw_null;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_start;
|
|
end
|
|
end
|
|
tx_spw_null:
|
|
begin
|
|
if(send_null_tx && send_fct_tx && enable_tx)
|
|
begin
|
|
if(global_counter_transfer == 4'd7)
|
|
next_state_tx = tx_spw_fct;
|
|
else
|
|
next_state_tx = tx_spw_null;
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_null;
|
|
end
|
|
tx_spw_fct:
|
|
begin
|
|
if(send_fct_tx && global_counter_transfer == 4'd3)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_fct;
|
|
end
|
|
tx_spw_null_c:
|
|
begin
|
|
if(global_counter_transfer == 4'd7)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0)
|
|
begin
|
|
next_state_tx = tx_spw_data_c;
|
|
end
|
|
else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
|
|
begin
|
|
next_state_tx = tx_spw_data_c_0;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
tx_spw_fct_c:
|
|
begin
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
end
|
|
tx_spw_data_c:
|
|
begin
|
|
|
|
if(!tx_data_in[8])
|
|
begin
|
|
if(global_counter_transfer == 4'd9)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
|
|
begin
|
|
next_state_tx = tx_spw_data_c_0;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_data_c;
|
|
end
|
|
else if(tx_data_in[8])
|
|
begin
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_data_c;
|
|
end
|
|
|
|
|
|
end
|
|
tx_spw_data_c_0:
|
|
begin
|
|
|
|
if(!tx_data_in_0[8])
|
|
begin
|
|
if(global_counter_transfer == 4'd9)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0)
|
|
begin
|
|
next_state_tx = tx_spw_data_c;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_data_c_0;
|
|
end
|
|
else if(tx_data_in_0[8])
|
|
begin
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp)
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
else if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
next_state_tx = tx_spw_data_c_0;
|
|
end
|
|
|
|
|
|
end
|
|
tx_spw_time_code_c:
|
|
begin
|
|
if(global_counter_transfer == 4'd13)
|
|
begin
|
|
if(fct_flag > 3'd0 && !send_fct_now)
|
|
begin
|
|
next_state_tx = tx_spw_fct_c;
|
|
end
|
|
else if(process_data && !gotfct_tx && fct_counter_receive > 6'd0 )
|
|
begin
|
|
next_state_tx = tx_spw_data_c;
|
|
end
|
|
else if(process_data_0 && !gotfct_tx && fct_counter_receive > 6'd0)
|
|
begin
|
|
next_state_tx = tx_spw_data_c_0;
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_null_c;
|
|
end
|
|
end
|
|
else
|
|
begin
|
|
next_state_tx = tx_spw_time_code_c;
|
|
end
|
|
end
|
|
default:
|
|
begin
|
|
next_state_tx = tx_spw_start;
|
|
end
|
|
endcase
|
|
end
|
|
|
|
|
|
always@(posedge pclk_tx or negedge enable_tx)
|
|
begin
|
|
if(!enable_tx)
|
|
begin
|
|
|
|
timecode_s <= 14'b01110000000000;
|
|
|
|
ready_tx_data <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
|
|
last_type <= NULL;
|
|
|
|
global_counter_transfer <= 4'd0;
|
|
txdata_flagctrl_tx_last <= 9'd0;
|
|
tx_data_in <= 9'd0;
|
|
tx_data_in_0 <= 9'd0;
|
|
|
|
process_data <= 1'b0;
|
|
process_data_0 <= 1'b0;
|
|
|
|
last_timein_control_flag_tx <= 8'd0;
|
|
|
|
char_sent<= 1'b0;
|
|
fct_sent <= 1'b0;
|
|
|
|
last_tx_dout <= 1'b0;
|
|
last_tx_sout <= 1'b0;
|
|
|
|
state_tx <= tx_spw_start;
|
|
|
|
tx_dout_e <= 1'b0;
|
|
tx_sout_e <= 1'b0;
|
|
|
|
tx_tcode_in <= 8'd0;
|
|
tcode_rdy_trnsp <= 1'b0;
|
|
|
|
end
|
|
else
|
|
begin
|
|
state_tx <= next_state_tx;
|
|
|
|
case(state_tx)
|
|
tx_spw_start:
|
|
begin
|
|
|
|
if(send_null_tx && enable_tx)
|
|
begin
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
else
|
|
begin
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
|
|
end
|
|
tx_spw_null:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
|
|
if(tickin_tx && global_counter_transfer == 4'd5)
|
|
begin
|
|
tx_tcode_in <= timecode_tx_i;
|
|
tcode_rdy_trnsp <= 1'b1;
|
|
end
|
|
else
|
|
tx_tcode_in <= tx_tcode_in;
|
|
|
|
|
|
if(global_counter_transfer == 4'd7)
|
|
begin
|
|
last_type <= NULL;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
last_type <= last_type;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
tx_spw_fct:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
last_type <=FCT;
|
|
global_counter_transfer <= 4'd0;
|
|
fct_sent <= 1'b0;
|
|
end
|
|
else
|
|
begin
|
|
if(fct_flag > 3'd0)
|
|
fct_sent <= 1'b1;
|
|
else
|
|
fct_sent <= fct_sent;
|
|
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
tx_spw_null_c:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
if(global_counter_transfer == 4'd7)
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
last_type <= NULL;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
|
|
if(process_data_0)
|
|
begin
|
|
process_data_0 <= process_data_0;
|
|
end
|
|
else
|
|
begin
|
|
if(txwrite_tx)
|
|
begin
|
|
tx_data_in <= data_tx_i;
|
|
process_data <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
tx_data_in <= tx_data_in;
|
|
process_data <= 1'b0;
|
|
end
|
|
process_data_0 <= 1'b0;
|
|
end
|
|
|
|
char_sent <= 1'b0;
|
|
fct_sent <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
last_type <= last_type;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
tx_spw_fct_c:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
char_sent <= 1'b0;
|
|
last_type <=FCT;
|
|
fct_sent <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
char_sent <= 1'b0;
|
|
process_data <= process_data;
|
|
process_data_0 <= process_data_0;
|
|
|
|
fct_sent <= 1'b1;
|
|
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
tx_spw_data_c:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
if(!tx_data_in[8])
|
|
begin
|
|
|
|
if(global_counter_transfer == 4'd9)
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b1;
|
|
last_type <= DATA;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
|
|
if(global_counter_transfer < 4'd3)
|
|
begin
|
|
ready_tx_data <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
ready_tx_data <= 1'b0;
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
txdata_flagctrl_tx_last <= tx_data_in;
|
|
end
|
|
else
|
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
|
|
|
if(txwrite_tx)
|
|
begin
|
|
tx_data_in_0 <= data_tx_i;
|
|
process_data_0 <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
tx_data_in_0 <= tx_data_in_0;
|
|
process_data_0 <= 1'b0;
|
|
end
|
|
end
|
|
|
|
process_data <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
|
|
end
|
|
|
|
end
|
|
else if(tx_data_in[8])
|
|
begin
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
char_sent <= 1'b1;
|
|
fct_sent <= 1'b0;
|
|
if(tx_data_in[1:0] == 2'b00)
|
|
begin
|
|
last_type <=EOP;
|
|
end
|
|
else if(tx_data_in[1:0] == 2'b01)
|
|
begin
|
|
last_type <=EEP;
|
|
end
|
|
|
|
ready_tx_data <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
process_data <= 1'b0;
|
|
process_data_0 <= 1'b0;
|
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
|
ready_tx_data <= 1'b1;
|
|
ready_tx_timecode <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
|
|
end
|
|
tx_spw_data_c_0:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
if(!tx_data_in_0[8])
|
|
begin
|
|
|
|
if(global_counter_transfer == 4'd9)
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b1;
|
|
last_type <= DATA;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
|
|
if(global_counter_transfer < 4'd3)
|
|
begin
|
|
ready_tx_data <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
ready_tx_data <= 1'b0;
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
txdata_flagctrl_tx_last <= tx_data_in_0;
|
|
end
|
|
else
|
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
|
|
|
if(txwrite_tx)
|
|
begin
|
|
tx_data_in <= data_tx_i;
|
|
process_data <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
tx_data_in <= tx_data_in;
|
|
process_data <= 1'b0;
|
|
end
|
|
end
|
|
|
|
fct_sent <= 1'b0;
|
|
process_data_0 <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
|
|
end
|
|
|
|
end
|
|
else if(tx_data_in_0[8])
|
|
begin
|
|
|
|
if(global_counter_transfer == 4'd3)
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b1;
|
|
|
|
if(tx_data_in_0[1:0] == 2'b00)
|
|
begin
|
|
last_type <=EOP;
|
|
end
|
|
else if(tx_data_in_0[1:0] == 2'b01)
|
|
begin
|
|
last_type <=EEP;
|
|
end
|
|
|
|
ready_tx_data <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
process_data <= 1'b0;
|
|
process_data_0 <= 1'b0;
|
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
|
ready_tx_data <= 1'b1;
|
|
ready_tx_timecode <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
end
|
|
|
|
end
|
|
tx_spw_time_code_c:
|
|
begin
|
|
|
|
last_tx_dout <= tx_dout;
|
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
|
|
|
|
if(global_counter_transfer == 4'd13)
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
ready_tx_timecode <= 1'b1;
|
|
global_counter_transfer <= 4'd0;
|
|
end
|
|
else
|
|
begin
|
|
if(process_data_0)
|
|
begin
|
|
|
|
process_data_0 <= process_data_0;
|
|
end
|
|
else
|
|
begin
|
|
if(txwrite_tx)
|
|
begin
|
|
tx_data_in <= data_tx_i;
|
|
process_data <= 1'b1;
|
|
end
|
|
else
|
|
begin
|
|
tx_data_in <= tx_data_in;
|
|
process_data <= 1'b0;
|
|
end
|
|
process_data_0 <= 1'b0;
|
|
end
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
|
|
|
|
if(global_counter_transfer != 4'd13)
|
|
begin
|
|
|
|
timecode_s <= {timecode_ss[13:10],2'd2,tx_tcode_in[7:0]};
|
|
end
|
|
else
|
|
begin
|
|
last_timein_control_flag_tx <= tx_tcode_in;
|
|
last_type <= TIMEC;
|
|
end
|
|
|
|
end
|
|
default:
|
|
begin
|
|
fct_sent <= 1'b0;
|
|
char_sent <= 1'b0;
|
|
last_type <= last_type;
|
|
global_counter_transfer <= global_counter_transfer;
|
|
tx_dout_e <= tx_dout_e;
|
|
tx_sout_e <= tx_sout_e;
|
|
end
|
|
endcase
|
|
end
|
|
end
|
|
|
|
|
.fct_great_than_zero(fct_counter_p),
|
|
|
|
.gotfct_tx(gotfct_tx),
|
|
.send_fct_now(send_fct_now),
|
|
|
|
.tx_dout_e(tx_dout_e),
|
|
.tx_sout_e(tx_sout_e)
|
|
|
|
);
|
|
|
|
tx_data_send tx_data_snd(
|
|
.pclk_tx(pclk_tx),
|
|
.send_null_tx(send_null_tx),
|
|
.enable_tx(enable_tx),
|
|
|
|
.get_data(get_data),
|
|
.get_data_0(get_data_0),
|
|
|
|
.timecode_tx_i(timecode_tx_i),
|
|
.tickin_tx(tickin_tx),
|
|
|
|
.data_tx_i(data_tx_i),
|
|
.txwrite_tx(txwrite_tx),
|
|
|
|
.fct_counter_p(fct_counter_p),
|
|
|
|
.tx_data_in(tx_data_in),
|
|
.tx_data_in_0(tx_data_in_0),
|
|
|
|
.process_data(process_data),
|
|
.process_data_0(process_data_0),
|
|
|
|
.tx_tcode_in(tx_tcode_in),
|
|
.tcode_rdy_trnsp(tcode_rdy_trnsp)
|
|
);
|
endmodule
|
endmodule
|
|
|
No newline at end of file
|
No newline at end of file
|
