| Line 80... |
Line 80... |
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reg [2:0] state_tx;
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reg [2:0] state_tx;
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reg [2:0] next_state_tx;
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reg [2:0] next_state_tx;
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//reg [7:0] null_s;
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//reg [2:0] fct_s;
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//reg [3:0] eop_s;
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//reg [3:0] eep_s;
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reg [13:0] timecode_s;
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reg [13:0] timecode_s;
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reg [5:0] last_type;
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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] txdata_flagctrl_tx_last;
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reg [8:0] tx_data_in;
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reg data_rdy_trnsp;
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reg [7:0] last_timein_control_flag_tx;
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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 first_time;
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reg tcode_rdy_trnsp;
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reg hold_null;
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reg hold_null;
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reg hold_fct;
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reg hold_fct;
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reg hold_data;
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reg hold_data;
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reg hold_time_code;
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reg hold_time_code;
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| Line 126... |
Line 124... |
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reg [3:0] global_counter_transfer;
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reg [3:0] global_counter_transfer;
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always@(*)
|
always@(*)
|
begin
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begin
|
tx_dout_null = 1'b0;
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tx_dout_null = last_tx_dout;
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|
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if(enable_null)
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if(enable_null)
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begin
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begin
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if(first_time && global_counter_transfer[3:0] == 4'd0)
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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 = null_s[7];
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|
end
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else if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
|
begin
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begin
|
tx_dout_null = !(null_s[6]^null_s[0]^null_s[1]);
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tx_dout_null = !(null_s[6]^null_s[0]^null_s[1]);
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end
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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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else if(last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
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| Line 193... |
Line 187... |
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always@(*)
|
always@(*)
|
begin
|
begin
|
|
|
tx_dout_fct = 1'b0;
|
tx_dout_fct = last_tx_dout;
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|
|
if(enable_fct)
|
if(enable_fct)
|
begin
|
begin
|
|
|
if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
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| Line 240... |
Line 234... |
end
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end
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end
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end
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|
|
always@(*)
|
always@(*)
|
begin
|
begin
|
tx_dout_timecode = 1'b0;
|
tx_dout_timecode = last_tx_dout;
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|
|
if(enable_time_code)
|
if(enable_time_code)
|
begin
|
begin
|
if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
if(last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
| Line 325... |
Line 319... |
end
|
end
|
end
|
end
|
|
|
always@(*)
|
always@(*)
|
begin
|
begin
|
tx_dout_data = 1'b0;
|
tx_dout_data = last_tx_dout;
|
|
|
if(enable_n_char)
|
if(enable_n_char)
|
begin
|
begin
|
if(!data_tx_i[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
if(!tx_data_in[8] && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[8]^null_s[0]^null_s[1]);
|
tx_dout_data = !(tx_data_in[8]^null_s[0]^null_s[1]);
|
end
|
end
|
else if(!data_tx_i[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
else if(!tx_data_in[8] && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[8]^fct_s[0]^fct_s[1]);
|
tx_dout_data = !(tx_data_in[8]^fct_s[0]^fct_s[1]);
|
end
|
end
|
else if(!data_tx_i[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
else if(!tx_data_in[8] && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[8]^eop_s[0]^eop_s[1]);
|
tx_dout_data = !(tx_data_in[8]^eop_s[0]^eop_s[1]);
|
end
|
end
|
else if(!data_tx_i[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
else if(!tx_data_in[8] && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[8]^eep_s[0]^eep_s[1]);
|
tx_dout_data = !(tx_data_in[8]^eep_s[0]^eep_s[1]);
|
end
|
end
|
else if(!data_tx_i[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
else if(!tx_data_in[8] && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[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]);
|
tx_dout_data = !(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]);
|
end
|
end
|
else if(!data_tx_i[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
else if(!tx_data_in[8] && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(data_tx_i[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]);
|
tx_dout_data = !(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]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eop_s[2]^null_s[0]^null_s[1]);
|
tx_dout_data = !(eop_s[2]^null_s[0]^null_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eop_s[2]^fct_s[0]^fct_s[1]);
|
tx_dout_data = !(eop_s[2]^fct_s[0]^fct_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eop_s[2]^eop_s[0]^eop_s[1]);
|
tx_dout_data = !(eop_s[2]^eop_s[0]^eop_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eop_s[2]^eep_s[0]^eep_s[1]);
|
tx_dout_data = !(eop_s[2]^eep_s[0]^eep_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(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]);
|
tx_dout_data = !(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
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(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]);
|
tx_dout_data = !(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
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == NULL && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eep_s[2]^null_s[0]^null_s[1]);
|
tx_dout_data = !(eep_s[2]^null_s[0]^null_s[1]);
|
end
|
end
|
else if(data_tx_i[8] & data_tx_i[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == FCT && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eep_s[2]^fct_s[0]^fct_s[1]);
|
tx_dout_data = !(eep_s[2]^fct_s[0]^fct_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EOP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eep_s[2]^eop_s[0]^eop_s[1]);
|
tx_dout_data = !(eep_s[2]^eop_s[0]^eop_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == EEP && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(eep_s[2]^eep_s[0]^eep_s[1]);
|
tx_dout_data = !(eep_s[2]^eep_s[0]^eep_s[1]);
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == DATA && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(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]);
|
tx_dout_data = !(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
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && last_type == TIMEC && global_counter_transfer[3:0] == 4'd0)
|
begin
|
begin
|
tx_dout_data = !(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]);
|
tx_dout_data = !(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
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd1)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd1)
|
begin
|
begin
|
tx_dout_data = data_tx_i[8];
|
tx_dout_data = tx_data_in[8];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd2)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd2)
|
begin
|
begin
|
tx_dout_data = data_tx_i[0];
|
tx_dout_data = tx_data_in[0];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd3)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd3)
|
begin
|
begin
|
tx_dout_data = data_tx_i[1];
|
tx_dout_data = tx_data_in[1];
|
end
|
end
|
else if( !data_tx_i[8] && global_counter_transfer[3:0] == 4'd4)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd4)
|
begin
|
begin
|
tx_dout_data = data_tx_i[2];
|
tx_dout_data = tx_data_in[2];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd5)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd5)
|
begin
|
begin
|
tx_dout_data = data_tx_i[3];
|
tx_dout_data = tx_data_in[3];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd6)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd6)
|
begin
|
begin
|
tx_dout_data = data_tx_i[4];
|
tx_dout_data = tx_data_in[4];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd7)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd7)
|
begin
|
begin
|
tx_dout_data = data_tx_i[5];
|
tx_dout_data = tx_data_in[5];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd8)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd8)
|
begin
|
begin
|
tx_dout_data = data_tx_i[6];
|
tx_dout_data = tx_data_in[6];
|
end
|
end
|
else if(!data_tx_i[8] && global_counter_transfer[3:0] == 4'd9)
|
else if(!tx_data_in[8] && global_counter_transfer[3:0] == 4'd9)
|
begin
|
begin
|
tx_dout_data = data_tx_i[7];
|
tx_dout_data = tx_data_in[7];
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd1)
|
begin
|
begin
|
tx_dout_data = eep_s[2];
|
tx_dout_data = eep_s[2];
|
end
|
end
|
else if( data_tx_i[8] && data_tx_i[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
|
else if( tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd2)
|
begin
|
begin
|
tx_dout_data = eep_s[1];
|
tx_dout_data = eep_s[1];
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b01 && global_counter_transfer[3:0] == 4'd3)
|
begin
|
begin
|
tx_dout_data = eep_s[0];
|
tx_dout_data = eep_s[0];
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd1)
|
begin
|
begin
|
tx_dout_data = eop_s[2];
|
tx_dout_data = eop_s[2];
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd2)
|
begin
|
begin
|
tx_dout_data = eop_s[1];
|
tx_dout_data = eop_s[1];
|
end
|
end
|
else if(data_tx_i[8] && data_tx_i[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
|
else if(tx_data_in[8] && tx_data_in[1:0] == 2'b00 && global_counter_transfer[3:0] == 4'd3)
|
begin
|
begin
|
tx_dout_data = eop_s[0];
|
tx_dout_data = eop_s[0];
|
end
|
end
|
end
|
end
|
end
|
end
|
|
|
//strobe
|
//strobe
|
always@(*)
|
always@(*)
|
begin
|
begin
|
tx_sout = 1'b0;
|
|
|
|
if(!enable_tx)
|
tx_sout = last_tx_sout;
|
begin
|
|
tx_sout = 1'b0;
|
if((enable_null | enable_fct | enable_n_char | enable_time_code) & tx_dout == last_tx_dout)
|
end
|
|
else if((enable_null | enable_fct | enable_n_char | enable_time_code) & tx_dout == last_tx_dout)
|
|
begin
|
begin
|
tx_sout = !last_tx_sout;
|
tx_sout = !last_tx_sout;
|
end
|
end
|
else if((enable_null | enable_fct | enable_n_char | enable_time_code) & tx_dout != last_tx_dout)
|
else if((enable_null | enable_fct | enable_n_char | enable_time_code) & tx_dout != last_tx_dout)
|
begin
|
begin
|
| Line 535... |
Line 526... |
end
|
end
|
end
|
end
|
end
|
end
|
end
|
end
|
|
|
|
always@(*)
|
|
begin
|
|
|
|
tx_dout = last_tx_dout;
|
|
|
|
if(enable_null)
|
|
begin
|
|
tx_dout = tx_dout_null;
|
|
end
|
|
else if(enable_fct)
|
|
begin
|
|
tx_dout = tx_dout_fct;
|
|
end
|
|
else if(enable_time_code)
|
|
begin
|
|
tx_dout = tx_dout_timecode;
|
|
end
|
|
else if(enable_n_char)
|
|
begin
|
|
tx_dout = tx_dout_data;
|
|
end
|
|
end
|
|
|
always@(*)
|
always@(*)
|
begin
|
begin
|
|
|
|
|
enable_null = 1'b0;
|
enable_null = hold_null;
|
enable_fct = 1'b0;
|
enable_fct = hold_fct;
|
enable_n_char = 1'b0;
|
enable_n_char = hold_data;
|
enable_time_code = 1'b0;
|
enable_time_code = hold_time_code;
|
|
|
next_state_tx = state_tx;
|
next_state_tx = state_tx;
|
|
|
case(state_tx)
|
case(state_tx)
|
tx_spw_start:
|
tx_spw_start:
|
begin
|
begin
|
if(send_null_tx && enable_tx)
|
if(send_null_tx && enable_tx)
|
begin
|
begin
|
//if(!hold_null)
|
|
next_state_tx = tx_spw_null;
|
next_state_tx = tx_spw_null;
|
|
|
//enable_null = 1'b1;
|
|
end
|
end
|
else
|
else
|
begin
|
begin
|
next_state_tx = tx_spw_start;
|
next_state_tx = tx_spw_start;
|
end
|
end
|
| Line 591... |
Line 601... |
else
|
else
|
begin
|
begin
|
enable_fct = 1'b0;
|
enable_fct = 1'b0;
|
if(send_fct_tx && fct_counter_receive > 6'd0)
|
if(send_fct_tx && fct_counter_receive > 6'd0)
|
begin
|
begin
|
//if(global_counter_transfer == 4'd7)
|
|
next_state_tx = tx_spw_full;
|
next_state_tx = tx_spw_full;
|
end
|
end
|
|
|
end
|
end
|
end
|
end
|
tx_spw_full:
|
tx_spw_full:
|
begin
|
begin
|
if(tickin_tx && !hold_null && !hold_fct && !hold_data)
|
if(tickin_tx && !ready_tx_timecode && tcode_rdy_trnsp &&!hold_null && !hold_fct && !hold_data)
|
begin
|
begin
|
enable_time_code = 1'b1;
|
enable_time_code = 1'b1;
|
end
|
end
|
else if(fct_flag > 3'd0 && !hold_null && !hold_time_code && !hold_data)
|
else if(fct_flag > 3'd0 && !hold_null && !hold_time_code && !hold_data)
|
begin
|
begin
|
enable_fct = 1'b1;
|
enable_fct = 1'b1;
|
end
|
end
|
else if((txwrite_tx && !ready_tx_data && fct_counter_receive > 6'd0 && !hold_null && !hold_time_code && !hold_fct) == 1'b1 )
|
else if((txwrite_tx && !ready_tx_data && data_rdy_trnsp && fct_counter_receive > 6'd0 && !hold_null && !hold_time_code && !hold_fct) == 1'b1 )
|
begin
|
begin
|
enable_n_char = 1'b1;
|
enable_n_char = 1'b1;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
| Line 621... |
Line 630... |
endcase
|
endcase
|
|
|
end
|
end
|
|
|
|
|
always@(*)
|
|
begin
|
|
|
|
tx_dout = 1'b0;
|
|
|
|
if(enable_null)
|
|
begin
|
|
tx_dout = tx_dout_null;
|
|
end
|
|
else if(enable_fct)
|
|
begin
|
|
tx_dout = tx_dout_fct;
|
|
end
|
|
else if(enable_time_code)
|
|
begin
|
|
tx_dout = tx_dout_timecode;
|
|
end
|
|
else if(enable_n_char)
|
|
begin
|
|
tx_dout = tx_dout_data;
|
|
end
|
|
end
|
|
|
|
|
|
always@(posedge pclk_tx or negedge enable_tx)
|
|
begin
|
|
if(!enable_tx)
|
|
begin
|
|
tx_dout_e <= 1'b0;
|
|
tx_sout_e <= 1'b0;
|
|
end
|
|
else
|
|
begin
|
|
if(enable_null)
|
|
begin
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
end
|
|
else if(enable_fct)
|
|
begin
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
end
|
|
else if(enable_time_code)
|
|
begin
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
end
|
|
else if(enable_n_char)
|
|
begin
|
|
tx_dout_e <= tx_dout;
|
|
tx_sout_e <= tx_sout;
|
|
end
|
|
end
|
|
end
|
|
|
|
always@(posedge pclk_tx or negedge enable_tx)
|
always@(posedge pclk_tx or negedge enable_tx)
|
begin
|
begin
|
if(!enable_tx)
|
if(!enable_tx)
|
begin
|
begin
|
|
|
timecode_s <= 14'b01110000000000;
|
timecode_s <= 14'b01110000000000;
|
fct_flag <= 3'd7;
|
fct_flag <= 3'd7;
|
|
|
first_time <= 1'b1;
|
|
ready_tx_data <= 1'b0;
|
ready_tx_data <= 1'b0;
|
ready_tx_timecode <= 1'b0;
|
ready_tx_timecode <= 1'b0;
|
|
|
hold_null <= 1'b0;
|
hold_null <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_fct <= 1'b0;
|
| Line 698... |
Line 651... |
|
|
last_type <= NULL;
|
last_type <= NULL;
|
|
|
global_counter_transfer <= 4'd0;
|
global_counter_transfer <= 4'd0;
|
txdata_flagctrl_tx_last <= 9'd0;
|
txdata_flagctrl_tx_last <= 9'd0;
|
|
tx_data_in <= 9'd0;
|
last_timein_control_flag_tx <= 8'd0;
|
last_timein_control_flag_tx <= 8'd0;
|
|
|
fct_counter_receive <= 6'd0;
|
fct_counter_receive <= 6'd0;
|
|
|
block_sum <= 1'b0;
|
block_sum <= 1'b0;
|
| Line 710... |
Line 664... |
last_tx_dout <= 1'b0;
|
last_tx_dout <= 1'b0;
|
last_tx_sout <= 1'b0;
|
last_tx_sout <= 1'b0;
|
|
|
state_tx <= tx_spw_start;
|
state_tx <= tx_spw_start;
|
|
|
|
tx_dout_e <= 1'b0;
|
|
tx_sout_e <= 1'b0;
|
|
|
|
data_rdy_trnsp <= 1'b0;
|
|
|
|
tx_tcode_in <= 8'd0;
|
|
tcode_rdy_trnsp <= 1'b0;
|
|
|
end
|
end
|
else
|
else
|
begin
|
begin
|
|
|
state_tx <= next_state_tx;
|
state_tx <= next_state_tx;
|
|
|
last_tx_dout <= tx_dout;
|
last_tx_dout <= tx_dout;
|
last_tx_sout <= tx_sout;
|
last_tx_sout <= tx_sout;
|
|
|
|
tx_dout_e <= last_tx_dout;
|
|
tx_sout_e <= last_tx_sout;
|
|
|
if(enable_null)
|
if(enable_null)
|
begin
|
begin
|
|
|
//ready_tx_data <= 1'b0;
|
if(txwrite_tx && global_counter_transfer == 4'd5)
|
ready_tx_timecode <= 1'b0;
|
begin
|
|
tx_data_in <= data_tx_i;
|
|
data_rdy_trnsp <= 1'b1;
|
|
end
|
|
else
|
|
tx_data_in <= tx_data_in;
|
|
|
|
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;
|
|
|
|
|
//hold_null <= 1'b0;
|
//hold_null <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_data <= 1'b0;
|
hold_data <= 1'b0;
|
hold_time_code <= 1'b0;
|
hold_time_code <= 1'b0;
|
|
|
| Line 753... |
Line 734... |
block_sum_fct_send<= 1'b0;
|
block_sum_fct_send<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum_fct_send <= block_sum_fct_send;
|
block_sum_fct_send <= block_sum_fct_send;
|
|
|
if(global_counter_transfer == 4'd7)
|
if(global_counter_transfer == 4'd3)
|
begin
|
begin
|
hold_null <= 1'b0;
|
ready_tx_timecode <= 1'b0;
|
|
ready_tx_data <= 1'b0;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
hold_null <= 1'b1;
|
ready_tx_timecode <= ready_tx_timecode;
|
|
ready_tx_data <= ready_tx_data;
|
end
|
end
|
|
|
if(first_time)
|
if(global_counter_transfer == 4'd7)
|
begin
|
|
first_time <= 1'b0;
|
|
//hold_null <= 1'b1;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
end
|
|
else if(global_counter_transfer != 4'd7)
|
|
begin
|
begin
|
//hold_null <= 1'b1;
|
last_type <= NULL;
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
hold_null <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
//hold_null <= 1'b0;
|
last_type <= last_type;
|
ready_tx_data <= 1'b0;
|
hold_null <= 1'b1;
|
last_type <= NULL;
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
global_counter_transfer <= 4'd0;
|
|
end
|
end
|
end
|
end
|
else if(enable_fct)
|
else if(enable_fct)
|
begin
|
begin
|
//ready_tx_data <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
|
|
hold_null <= 1'b0;
|
hold_null <= 1'b0;
|
//hold_fct <= 1'b0;
|
//hold_fct <= 1'b0;
|
hold_data <= 1'b0;
|
hold_data <= 1'b0;
|
hold_time_code <= 1'b0;
|
hold_time_code <= 1'b0;
|
| Line 804... |
Line 779... |
block_sum<= 1'b0;
|
block_sum<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum <= block_sum;
|
block_sum <= block_sum;
|
|
|
if(global_counter_transfer == 4'd2)
|
|
ready_tx_data <= 1'b0;
|
|
else
|
|
ready_tx_data <= ready_tx_data;
|
ready_tx_data <= ready_tx_data;
|
|
|
if(global_counter_transfer == 4'd3)
|
if(global_counter_transfer == 4'd3)
|
begin
|
begin
|
|
|
|
fct_flag <= fct_flag - 3'd1;
|
|
last_type <=FCT;
|
|
global_counter_transfer <= 4'd0;
|
hold_fct <= 1'b0;
|
hold_fct <= 1'b0;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
hold_fct <= 1'b1;
|
|
end
|
|
|
|
if(global_counter_transfer != 4'd3)
|
|
begin
|
|
//hold_fct <= 1'b1;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
//
|
|
if(send_fct_now && !block_sum_fct_send)
|
if(send_fct_now && !block_sum_fct_send)
|
begin
|
begin
|
fct_flag <= fct_send;
|
fct_flag <= fct_send;
|
block_sum_fct_send<= 1'b1;
|
block_sum_fct_send<= 1'b1;
|
end
|
end
|
| Line 834... |
Line 803... |
begin
|
begin
|
block_sum_fct_send<= 1'b0;
|
block_sum_fct_send<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum_fct_send <= block_sum_fct_send;
|
block_sum_fct_send <= block_sum_fct_send;
|
end
|
|
else
|
hold_fct <= 1'b1;
|
begin
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
//hold_fct <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
|
fct_flag <= fct_flag - 3'd1;
|
|
last_type <=FCT;
|
|
end
|
end
|
end
|
end
|
else if(enable_time_code)
|
else if(enable_time_code)
|
begin
|
begin
|
|
|
|
if(txwrite_tx && global_counter_transfer == 4'd6)
|
|
begin
|
|
data_rdy_trnsp <= 1'b1;
|
|
tx_data_in <= data_tx_i;
|
|
end
|
|
else
|
|
tx_data_in <= tx_data_in;
|
|
|
hold_null <= 1'b0;
|
hold_null <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_data <= 1'b0;
|
hold_data <= 1'b0;
|
//hold_time_code <= 1'b0;
|
//hold_time_code <= 1'b0;
|
|
|
//ready_tx_data <= 1'b0;
|
|
|
|
if(gotfct_tx && !block_sum)
|
if(gotfct_tx && !block_sum)
|
begin
|
begin
|
fct_counter_receive <= fct_counter;
|
fct_counter_receive <= fct_counter;
|
block_sum<= 1'b1;
|
block_sum<= 1'b1;
|
end
|
end
|
| Line 867... |
Line 838... |
else
|
else
|
block_sum <= block_sum;
|
block_sum <= block_sum;
|
|
|
if(global_counter_transfer == 4'd13)
|
if(global_counter_transfer == 4'd13)
|
begin
|
begin
|
ready_tx_timecode <= 1'b1;
|
|
end
|
|
|
|
if(global_counter_transfer == 4'd13)
|
|
begin
|
|
hold_time_code <= 1'b0;
|
hold_time_code <= 1'b0;
|
|
ready_tx_timecode <= 1'b1;
|
|
global_counter_transfer <= 4'd0;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
hold_time_code <= 1'b0;
|
hold_time_code <= 1'b0;
|
|
ready_tx_timecode <= 1'b0;
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
end
|
end
|
|
|
//
|
//
|
if(send_fct_now && !block_sum_fct_send)
|
if(send_fct_now && !block_sum_fct_send)
|
begin
|
begin
|
| Line 894... |
Line 864... |
else
|
else
|
block_sum_fct_send <= block_sum_fct_send;
|
block_sum_fct_send <= block_sum_fct_send;
|
|
|
if(global_counter_transfer != 4'd13)
|
if(global_counter_transfer != 4'd13)
|
begin
|
begin
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
timecode_s <= {timecode_ss[13:10],2'd2,timecode_tx_i[7:0]};
|
timecode_s <= {timecode_ss[13:10],2'd2,tx_tcode_in[7:0]};
|
end
|
end
|
else
|
else
|
begin
|
begin
|
ready_tx_data <= 1'b0;
|
ready_tx_data <= 1'b0;
|
last_timein_control_flag_tx <= timecode_tx_i;
|
last_timein_control_flag_tx <= tx_tcode_in;
|
global_counter_transfer <= 4'd0;
|
|
last_type <= TIMEC;
|
last_type <= TIMEC;
|
end
|
end
|
end
|
end
|
else if(enable_n_char)
|
else if(enable_n_char)
|
begin
|
begin
|
ready_tx_timecode <= 1'b0;
|
|
hold_null <= 1'b0;
|
hold_null <= 1'b0;
|
hold_fct <= 1'b0;
|
hold_fct <= 1'b0;
|
//hold_data <= 1'b0;
|
//hold_data <= 1'b0;
|
hold_time_code <= 1'b0;
|
hold_time_code <= 1'b0;
|
|
|
| Line 926... |
Line 894... |
block_sum_fct_send<= 1'b0;
|
block_sum_fct_send<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum_fct_send <= block_sum_fct_send;
|
block_sum_fct_send <= block_sum_fct_send;
|
|
|
if(!data_tx_i[8])
|
if(!tx_data_in[8])
|
begin
|
begin
|
|
|
if(global_counter_transfer == 4'd9)
|
if(global_counter_transfer == 4'd9)
|
begin
|
begin
|
|
|
|
fct_counter_receive <= fct_counter_receive - 6'd1;
|
|
last_type <= DATA;
|
|
|
hold_data <= 1'b0;
|
hold_data <= 1'b0;
|
ready_tx_data <= 1'b1;
|
ready_tx_data <= 1'b1;
|
|
data_rdy_trnsp <= 1'b0;
|
|
global_counter_transfer <= 4'd0;
|
end
|
end
|
else
|
else
|
begin
|
begin
|
ready_tx_data <= 1'b0;
|
|
hold_data <= 1'b1;
|
|
end
|
|
|
|
if(global_counter_transfer != 4'd9)
|
|
begin
|
|
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
txdata_flagctrl_tx_last <= data_tx_i;
|
|
|
|
if(gotfct_tx && !block_sum)
|
if(gotfct_tx && !block_sum)
|
begin
|
begin
|
fct_counter_receive <= fct_counter;
|
fct_counter_receive <= fct_counter;
|
block_sum<= 1'b1;
|
block_sum<= 1'b1;
|
end
|
end
|
| Line 957... |
Line 921... |
begin
|
begin
|
block_sum<= 1'b0;
|
block_sum<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum <= block_sum;
|
block_sum <= block_sum;
|
end
|
|
else
|
ready_tx_data <= 1'b0;
|
begin
|
hold_data <= 1'b1;
|
global_counter_transfer <= 4'd0;
|
ready_tx_timecode <= 1'b0;
|
fct_counter_receive <= fct_counter_receive - 6'd1;
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
last_type <= DATA;
|
|
end
|
end
|
|
|
|
if(global_counter_transfer == 4'd4)
|
|
txdata_flagctrl_tx_last <= tx_data_in;
|
|
|
|
|
end
|
end
|
else if(data_tx_i[8])
|
else if(tx_data_in[8])
|
begin
|
begin
|
|
|
if(global_counter_transfer == 4'd3)
|
if(global_counter_transfer == 4'd3)
|
begin
|
begin
|
hold_data <= 1'b0;
|
fct_counter_receive <= fct_counter_receive - 6'd1;
|
ready_tx_data <= 1'b1;
|
|
|
if(tx_data_in[1:0] == 2'b00)
|
|
begin
|
|
last_type <=EOP;
|
end
|
end
|
else
|
else if(tx_data_in[1:0] == 2'b01)
|
begin
|
begin
|
hold_data <= 1'b1;
|
last_type <=EEP;
|
ready_tx_data <= 1'b0;
|
|
end
|
end
|
|
|
if(global_counter_transfer != 4'd3)
|
global_counter_transfer <= 4'd0;
|
|
hold_data <= 1'b0;
|
|
data_rdy_trnsp <= 1'b0;
|
|
ready_tx_data <= 1'b1;
|
|
end
|
|
else
|
begin
|
begin
|
|
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
txdata_flagctrl_tx_last <= txdata_flagctrl_tx_last;
|
|
|
if(gotfct_tx && !block_sum)
|
if(gotfct_tx && !block_sum)
|
begin
|
begin
|
fct_counter_receive <= fct_counter;
|
fct_counter_receive <= fct_counter;
|
| Line 997... |
Line 969... |
begin
|
begin
|
block_sum<= 1'b0;
|
block_sum<= 1'b0;
|
end
|
end
|
else
|
else
|
block_sum <= block_sum;
|
block_sum <= block_sum;
|
end
|
|
else
|
|
begin
|
|
global_counter_transfer <= 4'd0;
|
|
fct_counter_receive <= fct_counter_receive - 6'd1;
|
|
|
|
if(data_tx_i[1:0] == 2'b00)
|
hold_data <= 1'b1;
|
begin
|
ready_tx_data <= 1'b0;
|
last_type <=EOP;
|
ready_tx_timecode <= 1'b0;
|
end
|
global_counter_transfer <= global_counter_transfer + 4'd1;
|
else if(data_tx_i[1:0] == 2'b01)
|
|
begin
|
|
last_type <=EEP;
|
|
end
|
|
end
|
end
|
|
|
|
|
end
|
end
|
|
|
end
|
end
|
|
|
end
|
end
|
