diff options
Diffstat (limited to 'fpga/usrp2/control_lib')
-rw-r--r-- | fpga/usrp2/control_lib/Makefile.srcs | 5 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/fifo_pacer.v | 24 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet32_tb.v | 27 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_generator.v | 59 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_generator32.v | 21 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_tb.v | 29 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_verifier.v | 61 | ||||
-rw-r--r-- | fpga/usrp2/control_lib/newfifo/packet_verifier32.v | 30 |
8 files changed, 0 insertions, 256 deletions
diff --git a/fpga/usrp2/control_lib/Makefile.srcs b/fpga/usrp2/control_lib/Makefile.srcs index 5ae185ee8..751b40828 100644 --- a/fpga/usrp2/control_lib/Makefile.srcs +++ b/fpga/usrp2/control_lib/Makefile.srcs @@ -50,9 +50,4 @@ bootram.v \ nsgpio16LE.v \ settings_bus_16LE.v \ atr_controller16.v \ -newfifo/fifo_pacer.v \ -newfifo/packet_generator32.v \ -newfifo/packet_generator.v \ -newfifo/packet_verifier32.v \ -newfifo/packet_verifier.v \ )) diff --git a/fpga/usrp2/control_lib/newfifo/fifo_pacer.v b/fpga/usrp2/control_lib/newfifo/fifo_pacer.v deleted file mode 100644 index 1bf03ab6e..000000000 --- a/fpga/usrp2/control_lib/newfifo/fifo_pacer.v +++ /dev/null @@ -1,24 +0,0 @@ - - -module fifo_pacer - (input clk, - input reset, - input [7:0] rate, - input enable, - input src1_rdy_i, output dst1_rdy_o, - output src2_rdy_o, input dst2_rdy_i, - output underrun, overrun); - - wire strobe; - - cic_strober strober (.clock(clk), .reset(reset), .enable(enable), - .rate(rate), .strobe_fast(1), .strobe_slow(strobe)); - - wire all_ready = src1_rdy_i & dst2_rdy_i; - assign dst1_rdy_o = all_ready & strobe; - assign src2_rdy_o = dst1_rdy_o; - - assign underrun = strobe & ~src1_rdy_i; - assign overrun = strobe & ~dst2_rdy_i; - -endmodule // fifo_pacer diff --git a/fpga/usrp2/control_lib/newfifo/packet32_tb.v b/fpga/usrp2/control_lib/newfifo/packet32_tb.v deleted file mode 100644 index 82bb09c29..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet32_tb.v +++ /dev/null @@ -1,27 +0,0 @@ - - -module packet32_tb(); - - wire [35:0] data; - wire src_rdy, dst_rdy; - - wire clear = 0; - reg clk = 0; - reg reset = 1; - - always #10 clk <= ~clk; - initial #1000 reset <= 0; - - initial $dumpfile("packet32_tb.vcd"); - initial $dumpvars(0,packet32_tb); - - wire [31:0] total, crc_err, seq_err, len_err; - - packet_generator32 pkt_gen (.clk(clk), .reset(reset), .clear(clear), - .data_o(data), .src_rdy_o(src_rdy), .dst_rdy_i(dst_rdy)); - - packet_verifier32 pkt_ver (.clk(clk), .reset(reset), .clear(clear), - .data_i(data), .src_rdy_i(src_rdy), .dst_rdy_o(dst_rdy), - .total(total), .crc_err(crc_err), .seq_err(seq_err), .len_err(len_err)); - -endmodule // packet32_tb diff --git a/fpga/usrp2/control_lib/newfifo/packet_generator.v b/fpga/usrp2/control_lib/newfifo/packet_generator.v deleted file mode 100644 index 6e8b45ccd..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet_generator.v +++ /dev/null @@ -1,59 +0,0 @@ - - -module packet_generator - (input clk, input reset, input clear, - output reg [7:0] data_o, output sof_o, output eof_o, - output src_rdy_o, input dst_rdy_i); - - localparam len = 32'd2000; - - reg [31:0] state; - reg [31:0] seq; - wire [31:0] crc_out; - wire calc_crc = src_rdy_o & dst_rdy_i & ~(state[31:2] == 30'h3FFF_FFFF); - - - always @(posedge clk) - if(reset | clear) - seq <= 0; - else - if(eof_o & src_rdy_o & dst_rdy_i) - seq <= seq + 1; - - always @(posedge clk) - if(reset | clear) - state <= 0; - else - if(src_rdy_o & dst_rdy_i) - if(state == (len - 1)) - state <= 32'hFFFF_FFFC; - else - state <= state + 1; - - always @* - case(state) - 0 : data_o <= len[7:0]; - 1 : data_o <= len[15:8]; - 2 : data_o <= len[23:16]; - 3 : data_o <= len[31:24]; - 4 : data_o <= seq[7:0]; - 5 : data_o <= seq[15:8]; - 6 : data_o <= seq[23:16]; - 7 : data_o <= seq[31:24]; - 32'hFFFF_FFFC : data_o <= crc_out[31:24]; - 32'hFFFF_FFFD : data_o <= crc_out[23:16]; - 32'hFFFF_FFFE : data_o <= crc_out[15:8]; - 32'hFFFF_FFFF : data_o <= crc_out[7:0]; - default : data_o <= state[7:0]; - endcase // case (state) - - assign src_rdy_o = 1; - assign sof_o = (state == 0); - assign eof_o = (state == 32'hFFFF_FFFF); - - 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()); - -endmodule // packet_generator diff --git a/fpga/usrp2/control_lib/newfifo/packet_generator32.v b/fpga/usrp2/control_lib/newfifo/packet_generator32.v deleted file mode 100644 index 6f8004964..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet_generator32.v +++ /dev/null @@ -1,21 +0,0 @@ - - -module packet_generator32 - (input clk, input reset, input clear, - output [35:0] data_o, output src_rdy_o, input dst_rdy_i); - - wire [7:0] ll_data; - wire ll_sof, ll_eof, ll_src_rdy, ll_dst_rdy_n; - - packet_generator pkt_gen - (.clk(clk), .reset(reset), .clear(clear), - .data_o(ll_data), .sof_o(ll_sof), .eof_o(ll_eof), - .src_rdy_o(ll_src_rdy), .dst_rdy_i(~ll_dst_rdy_n)); - - ll8_to_fifo36 ll8_to_f36 - (.clk(clk), .reset(reset), .clear(clear), - .ll_data(ll_data), .ll_sof_n(~ll_sof), .ll_eof_n(~ll_eof), - .ll_src_rdy_n(~ll_src_rdy), .ll_dst_rdy_n(ll_dst_rdy_n), - .f36_data(data_o), .f36_src_rdy_o(src_rdy_o), .f36_dst_rdy_i(dst_rdy_i)); - -endmodule // packet_generator32 diff --git a/fpga/usrp2/control_lib/newfifo/packet_tb.v b/fpga/usrp2/control_lib/newfifo/packet_tb.v deleted file mode 100644 index 3c423d2ba..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet_tb.v +++ /dev/null @@ -1,29 +0,0 @@ - - -module packet_tb(); - - wire [7:0] data; - wire sof, eof, src_rdy, dst_rdy; - - wire clear = 0; - reg clk = 0; - reg reset = 1; - - always #10 clk <= ~clk; - initial #1000 reset <= 0; - - initial $dumpfile("packet_tb.vcd"); - initial $dumpvars(0,packet_tb); - - wire [31:0] total, crc_err, seq_err, len_err; - - packet_generator pkt_gen (.clk(clk), .reset(reset), .clear(clear), - .data_o(data), .sof_o(sof), .eof_o(eof), - .src_rdy_o(src_rdy), .dst_rdy_i(dst_rdy)); - - packet_verifier pkt_ver (.clk(clk), .reset(reset), .clear(clear), - .data_i(data), .sof_i(sof), .eof_i(eof), - .src_rdy_i(src_rdy), .dst_rdy_o(dst_rdy), - .total(total), .crc_err(crc_err), .seq_err(seq_err), .len_err(len_err)); - -endmodule // packet_tb 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 diff --git a/fpga/usrp2/control_lib/newfifo/packet_verifier32.v b/fpga/usrp2/control_lib/newfifo/packet_verifier32.v deleted file mode 100644 index 06a13d242..000000000 --- a/fpga/usrp2/control_lib/newfifo/packet_verifier32.v +++ /dev/null @@ -1,30 +0,0 @@ - - -module packet_verifier32 - (input clk, input reset, input clear, - input [35:0] data_i, input src_rdy_i, output dst_rdy_o, - output [31:0] total, output [31:0] crc_err, output [31:0] seq_err, output [31:0] len_err); - - wire [7:0] ll_data; - wire ll_sof_n, ll_eof_n, ll_src_rdy_n, ll_dst_rdy; - wire [35:0] data_int; - wire src_rdy_int, dst_rdy_int; - - fifo_short #(.WIDTH(36)) fifo_short - (.clk(clk), .reset(reset), .clear(clear), - .datain(data_i), .src_rdy_i(src_rdy_i), .dst_rdy_o(dst_rdy_o), - .dataout(data_int), .src_rdy_o(src_rdy_int), .dst_rdy_i(dst_rdy_int)); - - fifo36_to_ll8 f36_to_ll8 - (.clk(clk), .reset(reset), .clear(clear), - .f36_data(data_int), .f36_src_rdy_i(src_rdy_int), .f36_dst_rdy_o(dst_rdy_int), - .ll_data(ll_data), .ll_sof_n(ll_sof_n), .ll_eof_n(ll_eof_n), - .ll_src_rdy_n(ll_src_rdy_n), .ll_dst_rdy_n(~ll_dst_rdy)); - - packet_verifier pkt_ver - (.clk(clk), .reset(reset), .clear(clear), - .data_i(ll_data), .sof_i(~ll_sof_n), .eof_i(~ll_eof_n), - .src_rdy_i(~ll_src_rdy_n), .dst_rdy_o(ll_dst_rdy), - .total(total), .crc_err(crc_err), .seq_err(seq_err), .len_err(len_err)); - -endmodule // packet_verifier32 |