From 8d82fcacc459caac6b3d4ddfd3821f69cc9037ea Mon Sep 17 00:00:00 2001 From: Philip Balister Date: Sat, 26 Feb 2011 17:30:46 -0500 Subject: timed packet generator : Temporarily use a checksum rather than a crc to validate packet integrity. --- usrp2/fifo/packet_generator.v | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) (limited to 'usrp2/fifo') diff --git a/usrp2/fifo/packet_generator.v b/usrp2/fifo/packet_generator.v index bbcab6db2..2ae911e24 100644 --- a/usrp2/fifo/packet_generator.v +++ b/usrp2/fifo/packet_generator.v @@ -10,7 +10,7 @@ module packet_generator reg [31:0] state; reg [31:0] seq; - wire [31:0] crc_out; + reg [31:0] crc_out; wire calc_crc = src_rdy_o & dst_rdy_i & ~(state[31:2] == 30'h3FFF_FFFF); @@ -71,7 +71,13 @@ module packet_generator wire clear_crc = eof_o & src_rdy_o & dst_rdy_i; - crc crc(.clk(clk), .reset(reset), .clear(clear_crc), .data(data_o), - .calc(calc_crc), .crc_out(crc_out), .match()); +// crc crc(.clk(clk), .reset(reset), .clear(clear_crc), .data(data_o), +// .calc(calc_crc), .crc_out(crc_out), .match()); + always @(posedge clk) + if(reset | clear | clear_crc) + crc_out <= 0; + else + if(calc_crc) + crc_out <= crc_out + data_o; endmodule // packet_generator -- cgit v1.2.3