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URL https://opencores.org/ocsvn/spacewiresystemc/spacewiresystemc/trunk

Subversion Repositories spacewiresystemc

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    from Rev 5 to Rev 6
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Rev 5 → Rev 6

/spacewiresystemc/trunk/rtl/RTL_VB/tx_spw.v
91,11 → 91,15
reg enable_time_code;
 
reg [2:0] fct_send;
reg [2:0] fct_send_last;
reg [2:0] fct_flag;
 
reg [5:0] fct_counter;
reg [5:0] fct_counter_last;
reg [5:0] fct_counter_receive;
 
reg last_tx_dout;
reg last_tx_sout;
//reg first_counter_ctr;
 
reg [3:0] global_counter_transfer;
 
386,7 → 390,7
end
 
//slots open in another side
always@(posedge send_fct_tx or negedge enable_tx)
always@(posedge gotfct_tx or negedge enable_tx)
begin
 
if(!enable_tx)
393,15 → 397,13
begin
fct_counter <= {6{1'b0}};
end
else if(gotfct_tx)
else
begin
fct_counter <= fct_counter + 6'd8;
if(fct_counter == 6'd56)
fct_counter <= 6'd8;
else
fct_counter <= fct_counter + 6'd8;
end
else if(enable_n_char)
begin
fct_counter <= fct_counter - 6'd1;
end
 
end
 
 
415,7 → 417,15
end
else
begin
fct_send <= fct_send + 6'd1;
 
if(fct_send == 3'd7)
begin
fct_send <= 3'd1;
end
else
begin
fct_send <= fct_send + 3'd1;
end
end
 
end
465,7 → 475,7
enable_null = 1'b1;
next_state_tx = tx_spw_null_fct;
 
if(send_fct_tx && fct_flag != 3'd7)
if(send_fct_tx && fct_flag > 0)
begin
enable_null = 1'b0;
enable_fct = 1'b1;
487,25 → 497,19
 
enable_null = 1'b1;
 
if(tickin_tx)
if(tickin_tx & (global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3))
begin
if(global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3)
enable_time_code = 1'b1;
 
enable_time_code = 1'b1;
enable_null = 1'b0;
end
else if(fct_send > 3'd0)
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))
begin
if(global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3)
enable_fct = 1'b1;
 
enable_fct = 1'b1;
enable_null = 1'b0;
end
else if(txwrite_tx && fct_counter > 6'd0)
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))
begin
if(global_counter_transfer == 4'd7 || global_counter_transfer == 4'd9 || global_counter_transfer == 4'd13 || global_counter_transfer == 4'd3)
enable_n_char = 1'b1;
 
enable_n_char = 1'b1;
enable_null = 1'b0;
end
 
525,6 → 529,8
timecode_s <= 14'h1e00;
fct_flag <= 3'd0;
fct_send_last <= 3'd0;
 
first_time <= 1'b1;
last_type <= NULL;
 
531,6 → 537,10
global_counter_transfer <= 4'd0;
txdata_flagctrl_tx_last <= 9'd0;
last_timein_control_flag_tx <= 8'd0;
 
fct_counter_receive <= 6'd0;
fct_counter_last <= 6'd0;
 
last_tx_dout <= 1'b0;
last_tx_sout <= 1'b0;
state_tx <= tx_spw_start;
544,7 → 554,37
 
if(enable_null)
begin
fct_flag<= fct_flag;
 
//
if(fct_send_last != fct_send)
begin
if(fct_send == 3'd1 && fct_send_last == 3'd7)
begin
fct_flag <= fct_flag + 3'd1;
end
else
begin
fct_flag <= fct_flag + (fct_send - fct_send_last);
end
 
fct_send_last <= fct_send;
end
 
//
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;
end
else
begin
fct_counter_receive <= fct_counter_receive + (fct_counter - fct_counter_last);
end
 
fct_counter_last <= fct_counter;
end
 
if(first_time)
begin
first_time <= 1'b0;
562,6 → 602,21
end
else if(enable_fct)
begin
//
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;
end
else
begin
fct_counter_receive <= fct_counter_receive + (fct_counter - fct_counter_last);
end
 
fct_counter_last <= fct_counter;
end
 
if(global_counter_transfer != 4'd3)
begin
global_counter_transfer <= global_counter_transfer + 4'd1;
569,12 → 624,41
else
begin
global_counter_transfer <= 4'd0;
fct_flag <= fct_flag + 3'd1;
fct_flag <= fct_flag - 3'd1;
end
end
else if(enable_time_code)
begin
fct_flag<= fct_flag;
//
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;
end
else
begin
fct_counter_receive <= fct_counter_receive + (fct_counter - fct_counter_last);
end
 
fct_counter_last <= fct_counter;
end
//
if(fct_send_last != fct_send)
begin
if(fct_send == 3'd1 && fct_send_last == 3'd7)
begin
fct_flag <= fct_flag + 3'd1;
end
else
begin
fct_flag <= fct_flag + (fct_send - fct_send_last);
end
 
fct_send_last <= fct_send;
end
 
if(global_counter_transfer < 4'd13)
begin
global_counter_transfer <= global_counter_transfer + 4'd1;
587,7 → 671,21
end
else if(enable_n_char)
begin
fct_flag<= fct_flag;
//
if(fct_send_last != fct_send)
begin
if(fct_send == 3'd1 && fct_send_last == 3'd7)
begin
fct_flag <= fct_flag + 3'd1;
end
else
begin
fct_flag <= fct_flag + (fct_send - fct_send_last);
end
 
fct_send_last <= fct_send;
end
 
if(global_counter_transfer < 4'd9 && !data_tx_i[8])
begin
global_counter_transfer <= global_counter_transfer + 4'd1;
601,6 → 699,7
else
begin
global_counter_transfer <= 4'd0;
fct_counter_receive <= fct_counter_receive - 6'd1;
end
end

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