diff options
Diffstat (limited to 'fpga/usrp3/lib/packet_proc/cvita_insert_tlast.v')
-rw-r--r-- | fpga/usrp3/lib/packet_proc/cvita_insert_tlast.v | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/fpga/usrp3/lib/packet_proc/cvita_insert_tlast.v b/fpga/usrp3/lib/packet_proc/cvita_insert_tlast.v deleted file mode 100644 index 8d5c4f981..000000000 --- a/fpga/usrp3/lib/packet_proc/cvita_insert_tlast.v +++ /dev/null @@ -1,33 +0,0 @@ - -// Insert tlast bit for fifos that don't support it. This only works with VALID CVITA frames -// A single partial or invalid frame will make this wrong FOREVER - -module cvita_insert_tlast - (input clk, input reset, input clear, - input [63:0] i_tdata, input i_tvalid, output i_tready, - output [63:0] o_tdata, output o_tlast, output o_tvalid, input o_tready); - - assign o_tdata = i_tdata; - assign o_tvalid = i_tvalid; - assign i_tready = o_tready; - - wire [15:0] cvita_len_ceil = i_tdata[47:32] + 7; - wire [15:0] axi_len = {3'b000, cvita_len_ceil[15:3]}; - - reg [15:0] count; - - assign o_tlast = (count != 0) ? (count == 16'd1) : (axi_len == 16'd1); - - always @(posedge clk) - if(reset | clear) - begin - count <= 16'd0; - end - else - if(i_tready & i_tvalid) - if(count != 16'd0) - count <= count - 16'd1; - else - count <= axi_len - 16'd1; - -endmodule // cvita_insert_tlast |