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Subversion Repositories spacewiresystemc

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  • This comparison shows the changes necessary to convert path 
    /spacewiresystemc/trunk/rtl/RTL_VB
    from Rev 6 to Rev 8
    ↔ Reverse comparison
  •

Rev 6 → Rev 8

/tx_spw.v
53,7 → 53,7
output reg tx_dout,
output reg tx_sout,
//
output ready_tx_data,
output reg ready_tx_data,
output ready_tx_timecode
 
);
85,6 → 85,11
 
reg first_time;
 
reg hold_null;
reg hold_fct;
reg hold_data;
reg hold_time_code;
 
reg enable_null;
reg enable_fct;
reg enable_n_char;
105,9 → 110,6
 
assign ready_tx_timecode = (enable_time_code & global_counter_transfer == 14)?1'b1:1'b0;
 
assign ready_tx_data = (enable_n_char & global_counter_transfer == 4'd10 & !data_tx_i[8])?1'b1:
(enable_n_char & global_counter_transfer == 4'd4 & data_tx_i[8])?1'b1:1'b0;
 
always@(*)
begin
tx_dout = 1'b0;
284,32 → 286,92
begin
tx_dout = timecode_s[0];
end
else if( enable_n_char & !first_time & last_type == NULL & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == NULL & global_counter_transfer == 4'd0)
begin
tx_dout = !(data_tx_i[8]^null_s[0]^null_s[1]);
end
else if( enable_n_char & !first_time & last_type == FCT & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == FCT & global_counter_transfer == 4'd0)
begin
tx_dout = !(data_tx_i[8]^fct_s[0]^fct_s[1]);
end
else if( enable_n_char & !first_time & last_type == EOP & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == EOP & global_counter_transfer == 4'd0)
begin
tx_dout = !(data_tx_i[8]^eop_s[0]^eop_s[1]);
end
else if( enable_n_char & !first_time & last_type == EEP & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == EEP & global_counter_transfer == 4'd0)
begin
tx_dout = !(data_tx_i[8]^eep_s[0]^eep_s[1]);
end
else if( enable_n_char & !first_time & last_type == DATA & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == DATA & global_counter_transfer == 4'd0)
begin
tx_dout = !(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]);
end
else if( enable_n_char & !first_time & last_type == TIMEC & global_counter_transfer == 4'd0)
else if( enable_n_char & !data_tx_i[8] & !first_time & last_type == TIMEC & global_counter_transfer == 4'd0)
begin
tx_dout = !(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]);
end
else if( enable_n_char & !data_tx_i[8] & !first_time & global_counter_transfer == 4'd1)
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == NULL & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^null_s[0]^null_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == FCT & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^fct_s[0]^fct_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == EOP & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^eop_s[0]^eop_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == EEP & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^eep_s[0]^eep_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == DATA & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^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( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & last_type == TIMEC & global_counter_transfer == 4'd0)
begin
tx_dout = !(eop_s[3]^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( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd1)
begin
tx_dout = eop_s[2];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd2)
begin
tx_dout = eop_s[1];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd3)
begin
tx_dout = eop_s[0];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == NULL & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^null_s[0]^null_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == FCT & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^fct_s[0]^fct_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == EOP & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^eop_s[0]^eop_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == EEP & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^eep_s[0]^eep_s[1]);
end
else if( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == DATA & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^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( enable_n_char & !data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & last_type == TIMEC & global_counter_transfer == 4'd0)
begin
tx_dout = !(eep_s[3]^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( enable_n_char & !data_tx_i[8] & !data_tx_i[8] & !first_time & global_counter_transfer == 4'd1)
begin
tx_dout = data_tx_i[8];
end
else if( enable_n_char & !data_tx_i[8] & !first_time & global_counter_transfer == 4'd2)
344,18 → 406,6
begin
tx_dout = data_tx_i[7];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd1)
begin
tx_dout = eop_s[2];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd2)
begin
tx_dout = eop_s[1];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b00 & !first_time & global_counter_transfer == 4'd3)
begin
tx_dout = eop_s[0];
end
else if( enable_n_char & data_tx_i[8] & data_tx_i[1:0] == 2'b01 & !first_time & global_counter_transfer == 4'd1)
begin
tx_dout = eep_s[2];
379,11 → 429,11
begin
tx_sout = 1'b0;
end
else if((enable_null | enable_fct) && tx_dout == last_tx_dout)
else if((enable_null | enable_fct | enable_n_char) && tx_dout == last_tx_dout)
begin
tx_sout = !last_tx_sout;
end
else if((enable_null | enable_fct) && tx_dout != last_tx_dout)
else if((enable_null | enable_fct | enable_n_char) && tx_dout != last_tx_dout)
begin
tx_sout = last_tx_sout;
end
446,7 → 496,7
begin
if(send_null_tx && enable_tx)
begin
if(global_counter_transfer == 4'd7)
if(!hold_null)
next_state_tx = tx_spw_null;
enable_null = 1'b1;
460,7 → 510,7
begin
enable_null = 1'b1;
 
if(global_counter_transfer == 4'd7)
if(!hold_null)
begin
if(send_null_tx && send_fct_tx && enable_tx)
next_state_tx = tx_spw_null_fct;
473,21 → 523,19
begin
 
enable_null = 1'b1;
next_state_tx = tx_spw_null_fct;
 
if(send_fct_tx && fct_flag > 0)
if(send_fct_tx && fct_flag > 0 && !hold_null)
begin
next_state_tx = tx_spw_null_fct;
enable_null = 1'b0;
enable_fct = 1'b1;
enable_fct = 1'b1;
end
else
begin
enable_fct = 1'b0;
 
if(send_fct_tx && gotfct_tx)
if(send_fct_tx && fct_counter > 6'd0)
begin
if(global_counter_transfer == 4'd7)
next_state_tx = tx_spw_full;
next_state_tx = tx_spw_full;
end
 
end
495,23 → 543,27
tx_spw_full:
begin
 
enable_null = 1'b1;
enable_null = 1'b0;
enable_fct = 1'b0;
enable_n_char = 1'b0;
enable_time_code = 1'b0;
 
if(tickin_tx & (global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3))
if(tickin_tx && !hold_null && !hold_fct && !hold_data)
begin
enable_time_code = 1'b1;
enable_null = 1'b0;
end
else if(fct_flag > 3'd0 & (global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3))
else if(fct_flag > 3'd0 && !hold_null && !hold_time_code && !hold_data)
begin
enable_fct = 1'b1;
enable_null = 1'b0;
end
else if(txwrite_tx && fct_counter_receive > 6'd0 & (global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3))
else if(txwrite_tx && fct_counter_receive > 6'd0 && !hold_null && !hold_time_code && !hold_fct )
begin
enable_n_char = 1'b1;
enable_null = 1'b0;
enable_n_char = 1'b1;
end
else if(!hold_time_code && !hold_fct && !hold_data)
begin
enable_null = 1'b1;
end
 
end
endcase
532,6 → 584,13
fct_send_last <= 3'd0;
 
first_time <= 1'b1;
ready_tx_data <= 1'b0;
 
hold_null <= 1'b0;
hold_fct <= 1'b0;
hold_data <= 1'b0;
hold_time_code <= 1'b0;
 
last_type <= NULL;
 
global_counter_transfer <= 4'd0;
555,6 → 614,8
if(enable_null)
begin
 
ready_tx_data <= 1'b0;
 
//
if(fct_send_last != fct_send)
begin
588,20 → 649,25
if(first_time)
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
hold_null <= 1'b1;
global_counter_transfer <= global_counter_transfer + 4'd1;
end
else
begin
hold_null <= 1'b0;
global_counter_transfer <= 4'd0;
end
end
else if(enable_fct)
begin
 
ready_tx_data <= 1'b0;
 
//
if(fct_counter_last != fct_counter)
begin
619,10 → 685,12
 
if(global_counter_transfer != 4'd3)
begin
hold_fct <= 1'b1;
global_counter_transfer <= global_counter_transfer + 4'd1;
end
else
begin
hold_fct <= 1'b0;
global_counter_transfer <= 4'd0;
fct_flag <= fct_flag - 3'd1;
end
629,6 → 697,9
end
else if(enable_time_code)
begin
ready_tx_data <= 1'b0;
 
//
if(fct_counter_last != fct_counter)
begin
671,6 → 742,7
end
else if(enable_n_char)
begin
//
if(fct_send_last != fct_send)
begin
686,21 → 758,84
fct_send_last <= fct_send;
end
 
if(global_counter_transfer < 4'd9 && !data_tx_i[8])
if(!data_tx_i[8])
begin
global_counter_transfer <= global_counter_transfer + 4'd1;
txdata_flagctrl_tx_last <= data_tx_i;
 
if(global_counter_transfer == 4'd9)
begin
ready_tx_data <= 1'b1;
end
 
if(global_counter_transfer != 4'd9)
begin
hold_data <= 1'b1;
global_counter_transfer <= global_counter_transfer + 4'd1;
txdata_flagctrl_tx_last <= data_tx_i;
end
else
begin
hold_data <= 1'b0;
global_counter_transfer <= 4'd0;
//
if(fct_counter_last != fct_counter)
begin
if(fct_counter == 6'd8 && fct_counter_last == 6'd56)
begin
fct_counter_receive <= fct_counter_receive + 6'd8 - 6'd1;
end
else
begin
fct_counter_receive <= fct_counter_receive + (fct_counter - fct_counter_last) - 6'd1;
end
 
fct_counter_last <= fct_counter;
end
else
begin
fct_counter_receive <= fct_counter_receive - 6'd1;
end
end
 
end
else if(global_counter_transfer < 4'd3 && data_tx_i[8])
else if(data_tx_i[8])
begin
global_counter_transfer <= global_counter_transfer + 4'd1;
txdata_flagctrl_tx_last <= data_tx_i;
 
if(global_counter_transfer == 4'd3)
begin
ready_tx_data <= 1'b1;
end
 
if(global_counter_transfer != 4'd3)
begin
hold_data <= 1'b1;
global_counter_transfer <= global_counter_transfer + 4'd1;
txdata_flagctrl_tx_last <= data_tx_i;
end
else
begin
hold_data <= 1'b0;
global_counter_transfer <= 4'd0;
//
if(fct_counter_last != fct_counter)
begin
if(fct_counter == 6'd8 && fct_counter_last == 6'd56)
begin
fct_counter_receive <= fct_counter_receive + 6'd8 - 6'd1;
end
else
begin
fct_counter_receive <= fct_counter_receive + (fct_counter - fct_counter_last) - 6'd1;
end
 
fct_counter_last <= fct_counter;
end
else
begin
fct_counter_receive <= fct_counter_receive - 6'd1;
end
end
end
else
begin
global_counter_transfer <= 4'd0;
fct_counter_receive <= fct_counter_receive - 6'd1;
end
 
end
end

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