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Rev 22 → Rev 23
/rtl/DEBUG_VERILOG/clock_reduce.v
0,0 → 1,74
//+FHDR------------------------------------------------------------------------ |
//Copyright (c) 2013 Latin Group American Integhrated Circuit, Inc. All rights reserved |
//GLADIC Open Source RTL |
//----------------------------------------------------------------------------- |
//FILE NAME : |
//DEPARTMENT : IC Design / Verification |
//AUTHOR : Felipe Fernandes da Costa |
//AUTHOR’S EMAIL : |
//----------------------------------------------------------------------------- |
//RELEASE HISTORY |
//VERSION DATE AUTHOR DESCRIPTION |
//1.0 YYYY-MM-DD name |
//----------------------------------------------------------------------------- |
//KEYWORDS : General file searching keywords, leave blank if none. |
//----------------------------------------------------------------------------- |
//PURPOSE : ECSS_E_ST_50_12C_31_july_2008 |
//----------------------------------------------------------------------------- |
//PARAMETERS |
//PARAM NAME RANGE : DESCRIPTION : DEFAULT : UNITS |
//e.g.DATA_WIDTH [32,16] : width of the DATA : 32: |
//----------------------------------------------------------------------------- |
//REUSE ISSUES |
//Reset Strategy : |
//Clock Domains : |
//Critical Timing : |
//Test Features : |
//Asynchronous I/F : |
//Scan Methodology : |
//Instantiations : |
//Synthesizable (y/n) : |
//Other : |
//-FHDR------------------------------------------------------------------------ |
|
module clock_reduce( |
input clk, |
input reset_n, |
|
output reg clk_reduced |
); |
|
|
reg [10:0] counter; |
|
always@(posedge clk) |
begin |
|
if(!reset_n) |
begin |
counter <= 11'd0; |
clk_reduced <= 1'b0; |
end |
else |
begin |
if(counter >=11'd0 && counter <=11'd24 ) |
begin |
clk_reduced <= 1'b1; |
counter <= counter + 11'd1; |
end |
else if(counter >=11'd25 && counter <=11'd49 ) |
begin |
clk_reduced <= 1'b0; |
counter <= counter + 11'd1; |
end |
else |
begin |
clk_reduced <= 1'b1; |
counter <= 11'd0; |
end |
|
end |
|
end |
|
endmodule |
/rtl/DEBUG_VERILOG/debounce.v
0,0 → 1,72
//+FHDR------------------------------------------------------------------------ |
//Copyright (c) 2013 Latin Group American Integhrated Circuit, Inc. All rights reserved |
//GLADIC Open Source RTL |
//----------------------------------------------------------------------------- |
//FILE NAME : |
//DEPARTMENT : IC Design / Verification |
//AUTHOR : Felipe Fernandes da Costa |
//AUTHOR’S EMAIL : |
//----------------------------------------------------------------------------- |
//RELEASE HISTORY |
//VERSION DATE AUTHOR DESCRIPTION |
//1.0 YYYY-MM-DD name |
//----------------------------------------------------------------------------- |
//KEYWORDS : General file searching keywords, leave blank if none. |
//----------------------------------------------------------------------------- |
//PURPOSE : ECSS_E_ST_50_12C_31_july_2008 |
//----------------------------------------------------------------------------- |
//PARAMETERS |
//PARAM NAME RANGE : DESCRIPTION : DEFAULT : UNITS |
//e.g.DATA_WIDTH [32,16] : width of the DATA : 32: |
//----------------------------------------------------------------------------- |
//REUSE ISSUES |
//Reset Strategy : |
//Clock Domains : |
//Critical Timing : |
//Test Features : |
//Asynchronous I/F : |
//Scan Methodology : |
//Instantiations : |
//Synthesizable (y/n) : |
//Other : |
//-FHDR------------------------------------------------------------------------ |
module debounce_db( |
input CLK, |
input PB, |
|
output reg PB_state, |
output reg PB_down |
); |
|
|
reg [15:0] counter; |
|
|
|
always@(posedge CLK) |
begin |
|
if(PB) |
begin |
PB_state<= 1'b1; |
counter <= 16'd0; |
PB_down <= 1'b0; |
end |
else |
begin |
|
if(counter >= 400) |
begin |
PB_state<= 1'b0; |
PB_down <= 1'b1; |
end |
else |
counter <= counter + 16'd1; |
|
end |
|
|
end |
|
|
endmodule |
/rtl/DEBUG_VERILOG/detector_tokens.v
0,0 → 1,413
//+FHDR------------------------------------------------------------------------ |
//Copyright (c) 2013 Latin Group American Integhrated Circuit, Inc. All rights reserved |
//GLADIC Open Source RTL |
//----------------------------------------------------------------------------- |
//FILE NAME : |
//DEPARTMENT : IC Design / Verification |
//AUTHOR : Felipe Fernandes da Costa |
//AUTHOR’S EMAIL : |
//----------------------------------------------------------------------------- |
//RELEASE HISTORY |
//VERSION DATE AUTHOR DESCRIPTION |
//1.0 YYYY-MM-DD name |
//----------------------------------------------------------------------------- |
//KEYWORDS : General file searching keywords, leave blank if none. |
//----------------------------------------------------------------------------- |
//PURPOSE : ECSS_E_ST_50_12C_31_july_2008 |
//----------------------------------------------------------------------------- |
//PARAMETERS |
//PARAM NAME RANGE : DESCRIPTION : DEFAULT : UNITS |
//e.g.DATA_WIDTH [32,16] : width of the DATA : 32: |
//----------------------------------------------------------------------------- |
//REUSE ISSUES |
//Reset Strategy : |
//Clock Domains : |
//Critical Timing : |
//Test Features : |
//Asynchronous I/F : |
//Scan Methodology : |
//Instantiations : |
//Synthesizable (y/n) : |
//Other : |
//-FHDR------------------------------------------------------------------------ |
module detector_tokens( |
input rx_din, |
input rx_sin, |
input rx_resetn, |
output [13:0] info |
); |
|
wire rx_error; |
wire rx_got_bit; |
wire rx_got_null; |
wire rx_got_nchar; |
wire rx_got_time_code; |
reg rx_got_fct; |
|
reg [4:0] counter_neg; |
|
wire posedge_clk; |
wire negedge_clk; |
|
reg bit_c_0;//N |
reg bit_c_1;//P |
reg bit_c_2;//N |
reg bit_c_3;//P |
|
reg bit_d_0;//N |
reg bit_d_1;//P |
reg bit_d_2;//N |
reg bit_d_3;//P |
reg bit_d_4;//N |
reg bit_d_5;//P |
reg bit_d_6;//N |
reg bit_d_7;//P |
reg bit_d_8;//N |
reg bit_d_9;//P |
|
reg is_control; |
reg is_data; |
|
reg last_is_control; |
reg last_is_data; |
reg last_is_timec; |
|
reg last_was_control; |
reg last_was_data; |
reg last_was_timec; |
|
reg [3:0] control; |
reg [3:0] control_r; |
reg [9:0] data; |
reg [9:0] timecode; |
|
reg [9:0] dta_timec; |
|
reg [3:0] control_l_r; |
reg [9:0] data_l_r; |
|
reg parity_error; |
wire check_c_d; |
|
reg rx_data_take; |
|
reg first_time; |
|
//CLOCK RECOVERY |
assign posedge_clk = (rx_din ^ rx_sin)?1'b1:1'b0; |
assign negedge_clk = (!first_time)?1'b0:(!(rx_din ^ rx_sin))?1'b1:1'b0; |
|
assign check_c_d = ((is_control & counter_neg == 5'd2) == 1'b1 | (control[2:0] != 3'd7 & is_data & counter_neg == 5'd5) == 1'b1 | (control[2:0] == 3'd7 & is_data & counter_neg == 5'd5) == 1'b1)? 1'b1: 1'b0; |
|
assign rx_got_null = (control_l_r[2:0] == 3'd7 & control[2:0] == 3'd4)?1'b1:1'b0; |
//assign rx_got_fct = (control_l_r[2:0] != 3'd7 & control[2:0] == 3'd4 & check_c_d)?1'b1:1'b0; |
|
assign rx_got_bit = (posedge_clk)?1'b1:1'b0; |
|
assign rx_error = parity_error; |
|
assign rx_got_nchar = (control[2:0] != 3'd7 & is_data)?1'b1:1'b0; |
assign rx_got_time_code = (control[2:0] == 3'd7 & is_data)?1'b1:1'b0; |
|
assign info = {control_l_r,control,rx_error,rx_got_bit,rx_got_null,rx_got_nchar,rx_got_time_code,rx_got_fct}; |
|
always@(posedge posedge_clk or negedge rx_resetn) |
begin |
|
if(!rx_resetn) |
begin |
bit_c_1 <= 1'b0; |
bit_c_3 <= 1'b0; |
|
bit_d_1 <= 1'b0; |
bit_d_3 <= 1'b0; |
bit_d_5 <= 1'b0; |
bit_d_7 <= 1'b0; |
bit_d_9 <= 1'b0; |
first_time <= 1'b0; |
end |
else |
begin |
bit_c_1 <= rx_din; |
bit_c_3 <= bit_c_1; |
|
bit_d_1 <= rx_din; |
bit_d_3 <= bit_d_1; |
bit_d_5 <= bit_d_3; |
bit_d_7 <= bit_d_5; |
bit_d_9 <= bit_d_7; |
first_time <= 1'b1; |
|
end |
|
end |
|
always@(posedge negedge_clk or negedge rx_resetn) |
begin |
|
if(!rx_resetn) |
begin |
bit_c_0 <= 1'b0; |
bit_c_2 <= 1'b0; |
|
bit_d_0 <= 1'b0; |
bit_d_2 <= 1'b0; |
bit_d_4 <= 1'b0; |
bit_d_6 <= 1'b0; |
bit_d_8 <= 1'b0; |
end |
else |
begin |
|
bit_c_0 <= rx_din; |
bit_c_2 <= bit_c_0; |
|
bit_d_0 <= rx_din; |
bit_d_2 <= bit_d_0; |
bit_d_4 <= bit_d_2; |
bit_d_6 <= bit_d_4; |
bit_d_8 <= bit_d_6; |
end |
end |
|
|
always@(*) |
begin |
rx_got_fct = 1'b0; |
|
if(control_l_r[2:0] != 3'd7 && control[2:0] == 3'd4 && check_c_d) |
begin |
rx_got_fct = 1'b1; |
end |
end |
|
always@(*) |
begin |
dta_timec = 10'd0; |
control_r = 4'd0; |
|
if(counter_neg == 5'd2) |
begin |
control_r = {bit_c_3,bit_c_2,bit_c_1,bit_c_0}; |
end |
else if(counter_neg == 5'd5) |
begin |
dta_timec = {bit_d_9,bit_d_8,bit_d_0,bit_d_1,bit_d_2,bit_d_3,bit_d_4,bit_d_5,bit_d_6,bit_d_7}; |
end |
end |
|
|
always@(posedge negedge_clk) |
begin |
|
if(!rx_resetn) |
begin |
is_control <= 1'b0; |
is_data <= 1'b0; |
|
counter_neg <= 5'd0; |
end |
else |
begin |
|
if(counter_neg == 5'd1) |
begin |
if(bit_c_0) |
begin |
is_control <= 1'b1; |
is_data <= 1'b0; |
end |
else |
begin |
is_control <= 1'b0; |
is_data <= 1'b1; |
end |
|
counter_neg <= counter_neg + 5'd1; |
|
end |
else |
begin |
if(is_control) |
begin |
if(counter_neg == 5'd2) |
begin |
counter_neg <= 5'd1; |
is_control <= 1'b0; |
end |
else |
counter_neg <= counter_neg + 5'd1; |
end |
else if(is_data) |
begin |
if(counter_neg == 5'd5) |
begin |
counter_neg <= 5'd1; |
is_data <= 1'b0; |
end |
else |
counter_neg <= counter_neg + 5'd1; |
end |
else |
begin |
counter_neg <= counter_neg + 5'd1; |
end |
end |
end |
end |
|
always@(*) |
begin |
|
parity_error = 1'b0; |
|
if(last_is_control) |
begin |
if(last_was_control) |
begin |
if(!(control[2]^control_l_r[0]^control_l_r[1]) != control[3]) |
begin |
parity_error = 1'b1; |
end |
end |
else if(last_was_timec) |
begin |
if(!(control[2]^timecode[0]^timecode[1]^timecode[2]^timecode[3]^timecode[4]^timecode[5]^timecode[6]^timecode[7]) != control[3]) |
begin |
parity_error = 1'b1; |
end |
end |
else if(last_was_data) |
begin |
if(!(control[2]^data[0]^data[1]^data[2]^data[3]^data[4]^data[5]^data[6]^data[7]) != control[3]) |
begin |
parity_error = 1'b1; |
end |
end |
end |
else if(last_is_data) |
begin |
if(last_was_control) |
begin |
if(!(data[8]^control[1]^control[0]) != data[9]) |
begin |
parity_error = 1'b1; |
end |
end |
else if(last_was_timec) |
begin |
if(!(data[8]^timecode[0]^timecode[1]^timecode[2]^timecode[3]^timecode[4]^timecode[5]^timecode[6]^timecode[7]) != data[9]) |
begin |
parity_error = 1'b1; |
end |
end |
else if(last_was_data) |
begin |
if(!(data[8]^data[0]^data_l_r[1]^data_l_r[2]^data_l_r[3]^data_l_r[4]^data_l_r[5]^data_l_r[6]^data_l_r[7]) != data[9]) |
begin |
parity_error = 1'b1; |
end |
end |
end |
|
end |
|
always@(posedge check_c_d or negedge rx_resetn ) |
begin |
|
if(!rx_resetn) |
begin |
control <= 4'd0; |
control_l_r <= 4'd0; |
|
data <= 10'd0; |
data_l_r <= 10'd0; |
//rx_data_flag <= 9'd0; |
//rx_buffer_write <= 1'b0; |
//rx_data_take <= 1'b0; |
|
timecode <= 10'd0; |
// rx_time_out <= 8'd0; |
// rx_tick_out <= 1'b0; |
|
last_is_control <=1'b0; |
last_is_data <=1'b0; |
last_is_timec <=1'b0; |
|
last_was_control <=1'b0; |
last_was_data <=1'b0; |
last_was_timec <=1'b0; |
|
end |
else |
begin |
|
//rx_buffer_write <= rx_data_take; |
//rx_data_flag <= data[8:0]; |
|
//rx_time_out <= timecode[7:0]; |
|
if((control[2:0] != 3'd7 & is_data) == 1'b1) |
begin |
|
data <= dta_timec; |
data_l_r <= data; |
|
//rx_data_take <= 1'b1; |
//rx_tick_out <= 1'b0; |
|
last_is_control <=1'b0; |
last_is_data <=1'b1; |
last_is_timec <=1'b0; |
last_was_control <= last_is_control; |
last_was_data <= last_is_data ; |
last_was_timec <= last_is_timec; |
end |
else if((control[2:0] == 3'd7 & is_data) == 1'b1) |
begin |
|
timecode <= dta_timec; |
//rx_tick_out <= 1'b1; |
//rx_data_take <= 1'b0; |
|
last_is_control <= 1'b0; |
last_is_data <= 1'b0; |
last_is_timec <= 1'b1; |
last_was_control <= last_is_control; |
last_was_data <= last_is_data ; |
last_was_timec <= last_is_timec; |
end |
else if(control_r == 4'd6 || control_r == 4'd13 || control_r == 4'd5 || control_r == 4'd15 || control_r == 4'd7 || control_r == 4'd4 || control_r == 4'd12) |
begin |
|
control <= control_r; |
control_l_r <= control[3:0]; |
|
if((control[2:0] == 3'd6 & is_control) == 1'b1 ) |
begin |
data <= 10'b0100000001; |
//rx_data_take <= 1'b1; |
end |
else if( (control[2:0] == 3'd5 & is_control) == 1'b1 ) |
begin |
data <= 10'b0100000000; |
// rx_data_take <= 1'b1; |
end |
else |
begin |
// rx_data_take <= 1'b0; |
end |
|
//rx_tick_out <= 1'b0; |
|
last_is_control <= 1'b1; |
last_is_data <= 1'b0; |
last_is_timec <= 1'b0; |
last_was_control <= last_is_control; |
last_was_data <= last_is_data ; |
last_was_timec <= last_is_timec; |
end |
end |
end |
|
endmodule |
/rtl/RTL_VB/rx_spw.v
45,7 → 45,7
output rx_got_null, |
output rx_got_nchar, |
output rx_got_time_code, |
output rx_got_fct, |
output reg rx_got_fct, |
|
output reg [8:0] rx_data_flag, |
output reg rx_buffer_write, |
88,6 → 88,7
reg last_was_timec; |
|
reg [3:0] control; |
reg [3:0] control_r; |
reg [9:0] data; |
reg [9:0] timecode; |
|
94,19 → 95,23
reg [3:0] control_l_r; |
reg [9:0] data_l_r; |
|
reg [9:0] dta_timec; |
|
reg parity_error; |
wire check_c_d; |
|
reg rx_data_take; |
|
reg first_time; |
|
//CLOCK RECOVERY |
assign posedge_clk = (rx_din ^ rx_sin)?1'b1:1'b0; |
assign negedge_clk = (!(rx_din ^ rx_sin))?1'b1:1'b0; |
assign negedge_clk = (!first_time)?1'b0:(!(rx_din ^ rx_sin))?1'b1:1'b0; |
|
assign check_c_d = ((is_control & counter_neg == 5'd2) == 1'b1 | (control[2:0] != 3'd7 & is_data & counter_neg == 5'd5) == 1'b1 | (control[2:0] == 3'd7 & is_data & counter_neg == 5'd5) == 1'b1)? 1'b1: 1'b0; |
|
assign rx_got_null = (control_l_r[2:0] == 3'd7 & control[2:0] == 3'd4)?1'b1:1'b0; |
assign rx_got_fct = (control_l_r[2:0] != 3'd7 & control[2:0] == 3'd4 & check_c_d)?1'b1:1'b0; |
//assign rx_got_fct = (control_l_r[2:0] != 3'd7 & control[2:0] == 3'd4 & check_c_d)?1'b1:1'b0; |
|
assign rx_got_bit = (posedge_clk)?1'b1:1'b0; |
|
128,6 → 133,8
bit_d_5 <= 1'b0; |
bit_d_7 <= 1'b0; |
bit_d_9 <= 1'b0; |
|
first_time <= 1'b0; |
end |
else |
begin |
139,7 → 146,7
bit_d_5 <= bit_d_3; |
bit_d_7 <= bit_d_5; |
bit_d_9 <= bit_d_7; |
|
first_time <= 1'b1; |
end |
|
end |
157,17 → 164,9
bit_d_4 <= 1'b0; |
bit_d_6 <= 1'b0; |
bit_d_8 <= 1'b0; |
|
is_control <= 1'b0; |
is_data <= 1'b0; |
|
counter_neg <= 5'd0; |
|
end |
else |
begin |
|
|
bit_c_0 <= rx_din; |
bit_c_2 <= bit_c_0; |
|
176,7 → 175,48
bit_d_4 <= bit_d_2; |
bit_d_6 <= bit_d_4; |
bit_d_8 <= bit_d_6; |
|
end |
end |
|
always@(*) |
begin |
rx_got_fct = 1'b0; |
|
if(control_l_r[2:0] != 3'd7 && control[2:0] == 3'd4 && check_c_d) |
begin |
rx_got_fct = 1'b1; |
end |
end |
|
always@(*) |
begin |
dta_timec = 10'd0; |
control_r = 4'd0; |
|
if(counter_neg == 5'd2) |
begin |
control_r = {bit_c_3,bit_c_2,bit_c_1,bit_c_0}; |
end |
else if(counter_neg == 5'd5) |
begin |
dta_timec = {bit_d_9,bit_d_8,bit_d_0,bit_d_1,bit_d_2,bit_d_3,bit_d_4,bit_d_5,bit_d_6,bit_d_7}; |
end |
end |
|
always@(posedge negedge_clk or negedge rx_resetn) |
begin |
|
if(!rx_resetn) |
begin |
is_control <= 1'b0; |
is_data <= 1'b0; |
|
counter_neg <= 5'd0; |
end |
else |
begin |
|
if(counter_neg == 5'd1) |
begin |
if(bit_c_0) |
223,6 → 263,7
end |
end |
|
|
always@(*) |
begin |
|
284,9 → 325,9
|
if(!rx_resetn) |
begin |
control <= 4'd0; |
|
control_l_r <= 4'd0; |
|
control <= 4'd0; |
data <= 10'd0; |
data_l_r <= 10'd0; |
rx_data_flag <= 9'd0; |
312,12 → 353,12
rx_buffer_write <= rx_data_take; |
rx_data_flag <= data[8:0]; |
|
rx_time_out <= timecode; |
rx_time_out <= timecode[7:0]; |
|
if((control[2:0] != 3'd7 & is_data) == 1'b1) |
if((control_r[2:0] != 3'd7 & is_data) == 1'b1) |
begin |
|
data <= {bit_d_9,bit_d_8,bit_d_0,bit_d_1,bit_d_2,bit_d_3,bit_d_4,bit_d_5,bit_d_6,bit_d_7}; |
data <= dta_timec; |
data_l_r <= data; |
|
rx_data_take <= 1'b1; |
330,10 → 371,10
last_was_data <= last_is_data ; |
last_was_timec <= last_is_timec; |
end |
else if((control[2:0] == 3'd7 & is_data) == 1'b1) |
else if((control_r[2:0] == 3'd7 && is_data) == 1'b1) |
begin |
|
timecode <= {bit_d_9,bit_d_8,bit_d_0,bit_d_1,bit_d_2,bit_d_3,bit_d_4,bit_d_5,bit_d_6,bit_d_7}; |
timecode <= dta_timec; |
rx_tick_out <= 1'b1; |
rx_data_take <= 1'b0; |
|
344,18 → 385,18
last_was_data <= last_is_data ; |
last_was_timec <= last_is_timec; |
end |
else if({bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd6 | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd13 | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd5 | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd15 | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd7 | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd4 | | {bit_c_3,bit_c_2,bit_c_1,bit_c_0} == 4'd12) |
else if(control_r == 4'd6 || control_r == 4'd13 || control_r == 4'd5 || control_r == 4'd15 || control_r == 4'd7 || control_r == 4'd4 || control_r == 4'd12) |
begin |
|
control <= {bit_c_3,bit_c_2,bit_c_1,bit_c_0}; |
control <= control_r; |
control_l_r <= control[3:0]; |
|
if((control[2:0] == 3'd6 & is_control) == 1'b1 ) |
if((control_r[2:0] == 3'd6 & is_control) == 1'b1 ) |
begin |
data <= 10'b0100000001; |
rx_data_take <= 1'b1; |
end |
else if( (control[2:0] == 3'd5 & is_control) == 1'b1 ) |
else if( (control_r[2:0] == 3'd5 & is_control) == 1'b1 ) |
begin |
data <= 10'b0100000000; |
rx_data_take <= 1'b1; |
/rtl/RTL_VB/tx_spw.v
582,10 → 582,10
begin |
if(!enable_tx) |
begin |
null_s <= 8'h74; |
fct_s <= 4'h4; |
eop_s <= 4'h5; |
eep_s <= 4'h6; |
null_s <= 8'b01110100; |
fct_s <= 4'b0100; |
eop_s <= 4'b0101; |
eep_s <= 4'b0110; |
timecode_s <= 14'b01110000000000; |
|
fct_flag <= 3'd7; |
655,7 → 655,7
if(first_time) |
begin |
first_time <= 1'b0; |
hold_null <= 1'b1; |
hold_null <= 1'b1; |
global_counter_transfer <= global_counter_transfer + 4'd1; |
end |
else if(global_counter_transfer != 4'd7) |