diff options
Diffstat (limited to 'fpga/usrp2/control_lib/newfifo/packet_verifier.v')
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_verifier.v | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/fpga/usrp2/control_lib/newfifo/packet_verifier.v b/fpga/usrp2/control_lib/newfifo/packet_verifier.v deleted file mode 100644 index b49ad1bbb..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet_verifier.v +++ /dev/null @@ -1,61 +0,0 @@ - - -// Packet format -- -// Line 1 -- Length, 32 bits -// Line 2 -- Sequence number, 32 bits -// Last line -- CRC, 32 bits - -module packet_verifier - (input clk, input reset, input clear, - input [7:0] data_i, input sof_i, input eof_i, input src_rdy_i, output dst_rdy_o, - - output reg [31:0] total, - output reg [31:0] crc_err, - output reg [31:0] seq_err, - output reg [31:0] len_err); - - reg [31:0] seq_num; - reg [31:0] length; - wire first_byte, last_byte; - reg second_byte, last_byte_d1; - - wire calc_crc = src_rdy_i & dst_rdy_o; - - crc crc(.clk(clk), .reset(reset), .clear(last_byte_d1), .data(data_i), - .calc(calc_crc), .crc_out(), .match(match_crc)); - - assign first_byte = src_rdy_i & dst_rdy_o & sof_i; - assign last_byte = src_rdy_i & dst_rdy_o & eof_i; - assign dst_rdy_o = ~last_byte_d1; - - // stubs for now - wire match_seq = 1; - wire match_len = 1; - - always @(posedge clk) - if(reset | clear) - last_byte_d1 <= 0; - else - last_byte_d1 <= last_byte; - - always @(posedge clk) - if(reset | clear) - begin - total <= 0; - crc_err <= 0; - seq_err <= 0; - len_err <= 0; - end - else - if(last_byte_d1) - begin - total <= total + 1; - if(~match_crc) - crc_err <= crc_err + 1; - else if(~match_seq) - seq_err <= seq_err + 1; - else if(~match_len) - seq_err <= len_err + 1; - end - -endmodule // packet_verifier |