diff options
Diffstat (limited to 'fpga/usrp3/lib/fifo/axi_fifo64_to_fifo32.v')
-rw-r--r-- | fpga/usrp3/lib/fifo/axi_fifo64_to_fifo32.v | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/fpga/usrp3/lib/fifo/axi_fifo64_to_fifo32.v b/fpga/usrp3/lib/fifo/axi_fifo64_to_fifo32.v deleted file mode 100644 index 46b021600..000000000 --- a/fpga/usrp3/lib/fifo/axi_fifo64_to_fifo32.v +++ /dev/null @@ -1,31 +0,0 @@ - -module axi_fifo64_to_fifo32 - (input clk, input reset, input clear, - input [63:0] i_tdata, input [2:0] i_tuser, input i_tlast, input i_tvalid, output i_tready, - output [31:0] o_tdata, output [1:0] o_tuser, output o_tlast, output o_tvalid, input o_tready - ); - - wire short_last = i_tlast & ((i_tuser == 3'd1) | (i_tuser == 3'd2) | (i_tuser == 3'd3) | (i_tuser == 3'd4)); - - reg state; - always @(posedge clk) - if(reset | clear) - state <= 1'b0; - else - if(i_tvalid & o_tready) - case(state) - 1'b0 : - if(~short_last) - state <= 1'b1; - 1'b1 : - state <= 1'b0; - endcase // case (state) - - assign o_tdata = (state == 0) ? i_tdata[63:32] : i_tdata[31:0]; - assign o_tuser = o_tlast ? i_tuser[1:0] : 2'd0; - assign o_tlast = i_tlast & ((state == 1'b1) | short_last); - - assign o_tvalid = i_tvalid; - assign i_tready = o_tready & ((state == 1'b1) | short_last); - -endmodule // axi_fifo64_to_fifo32 |