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author | Josh Blum <josh@joshknows.com> | 2011-08-31 18:29:34 -0700 |
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committer | Josh Blum <josh@joshknows.com> | 2011-08-31 18:29:34 -0700 |
commit | d6d017aa58fd858a752ac43a6a6c24704758e444 (patch) | |
tree | 6f4b3388754d00d149a14c97f4ce6764e5d9a60c /fpga/usrp2/gpmc/ram_to_fifo.v | |
parent | 208885b6dc8a01a1d7095cff5b36c8451601259c (diff) | |
parent | 4f04b93d23015a56b2a2d4e87541b24de36c9018 (diff) | |
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Merge branch 'fpga_master' into next
Diffstat (limited to 'fpga/usrp2/gpmc/ram_to_fifo.v')
-rw-r--r-- | fpga/usrp2/gpmc/ram_to_fifo.v | 63 |
1 files changed, 0 insertions, 63 deletions
diff --git a/fpga/usrp2/gpmc/ram_to_fifo.v b/fpga/usrp2/gpmc/ram_to_fifo.v deleted file mode 100644 index 958c88b0f..000000000 --- a/fpga/usrp2/gpmc/ram_to_fifo.v +++ /dev/null @@ -1,63 +0,0 @@ -// -// Copyright 2011 Ettus Research LLC -// -// This program is free software: you can redistribute it and/or modify -// it under the terms of the GNU General Public License as published by -// the Free Software Foundation, either version 3 of the License, or -// (at your option) any later version. -// -// This program is distributed in the hope that it will be useful, -// but WITHOUT ANY WARRANTY; without even the implied warranty of -// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -// GNU General Public License for more details. -// -// You should have received a copy of the GNU General Public License -// along with this program. If not, see <http://www.gnu.org/licenses/>. -// - - - -module ram_to_fifo - (input clk, input reset, - input [10:0] read_length, // From the dbsm (?) - output read_en, output reg [8:0] read_addr, input [31:0] read_data, input read_ready, output read_done, - output [35:0] data_o, output src_rdy_o, input dst_rdy_i); - - // read_length/2 = number of 32 bit lines, numbered 0 through read_length/2-1 - wire [8:0] last_line = (read_length[10:1]-1); - - reg read_phase, sop; - - assign read_en = (read_phase == 0) | dst_rdy_i; - assign src_rdy_o = (read_phase == 1); - - always @(posedge clk) - if(reset) - begin - read_addr <= 0; - read_phase <= 0; - sop <= 1; - end - else - if(read_phase == 0) - begin - read_addr <= read_ready; - read_phase <= read_ready; - end - else if(dst_rdy_i) - begin - sop <= 0; - if(read_addr == last_line) - begin - read_addr <= 0; - read_phase <= 0; - end - else - read_addr <= read_addr + 1; - end - - assign read_done = (read_phase == 1) & (read_addr == last_line) & dst_rdy_i; - wire eop = (read_addr == last_line); - assign data_o = { 2'b00, eop, sop, read_data }; - -endmodule // ram_to_fifo |