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util_var_fifo: Assign data_out and data_out_valid based on fifo_active 

- fixed fifo_active assignments
main
Adrian Costina 2017-04-12 18:28:55 +03:00 committed by Lars-Peter Clausen
parent f761bf9bab
commit 021226bace
1 changed files with 4 additions and 4 deletions
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8
library/util_var_fifo/util_var_fifo.v
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@ -85,9 +85,9 @@ module util_var_fifo #(
assign reset = ((rst == 1'b1) || (depth != depth_d1)) ? 1 : 0; assign reset = ((rst == 1'b1) || (depth != depth_d1)) ? 1 : 0;
assign data_out = (depth == 0) ? data_in_d2 : data_out_s; assign data_out = fifo_active ? data_out_s : data_in_d2;
assign data_out_valid_s = data_active & data_in_valid; assign data_out_valid_s = data_active & data_in_valid;
assign data_out_valid = (depth == 0) ? data_in_valid : data_out_valid_s; assign data_out_valid = fifo_active ? data_out_valid_s : data_in_valid;
assign wea_w = data_in_valid & fifo_active; assign wea_w = data_in_valid & fifo_active;
assign en_w = fifo_active; assign en_w = fifo_active;
@ -100,9 +100,9 @@ module util_var_fifo #(
always @(posedge clk) begin always @(posedge clk) begin
depth_d1 <= depth; depth_d1 <= depth;
if (depth == 32'h0) begin if (depth == 32'h0) begin
fifo_active = 0; fifo_active <= 0;
end else begin end else begin
fifo_active = 1; fifo_active <= 1;
end end
if (data_in_valid == 1'b1 && fifo_active == 1'b0) begin if (data_in_valid == 1'b1 && fifo_active == 1'b0) begin
data_in_d1 <= data_in; data_in_d1 <= data_in;