Forum Discussion
SS5
Occasional Contributor
7 years ago@Daixiwen. The above FIFO design is working. LIKEWISE, i have tried the same design.
Working Design BLOCK diagram
In following design, i am generating Trigger signal (500ns) and Counter data using Verilog code. Then need to read the data in NIOS console using FIFO.
Code
module Counter(
input clk,
input enable,
input reset,
output reg[31:0] Final_value,
output reg trig
);
reg[31:0] counter_out;
reg [7:0] temp;
reg [31:0] counter_result;
wire temp1;
wire temp2;
always@(posedge clk or negedge reset)
begin
if(~reset)
begin
trig<=0;
temp<=0;
counter_out<=0;
end
else if(enable==1'b1)
begin
counter_out<=counter_out+1;
temp<=temp+1;
if(temp==25)
begin
temp<=0;
trig<=~trig;
end
end
end
assign temp1=trig;
assign temp2=temp1&&clk;
always@(posedge temp2 or negedge reset)
if(~reset)
counter_result<=0;
else
begin
counter_result<=counter_result+1;
end
always@(posedge trig or negedge reset)
if(~reset)
Final_value<=0;
else
begin
Final_value<=counter_result;
end
endmoduleFIFO DESIGN [NOT working]
Can anyone point out me the error in my design. Please suggest me.