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Diffstat (limited to 'usrp2/timing/time_sender.v')
-rw-r--r-- | usrp2/timing/time_sender.v | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/usrp2/timing/time_sender.v b/usrp2/timing/time_sender.v deleted file mode 100644 index fdf6b1240..000000000 --- a/usrp2/timing/time_sender.v +++ /dev/null @@ -1,157 +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 time_sender - (input clk, input rst, - input [63:0] vita_time, - input send_sync, - output reg exp_time_out); - - reg [7:0] datain; - reg k; - wire [9:0] dataout; - reg [9:0] dataout_reg; - reg disp_reg; - wire disp, new_word; - reg [4:0] state; - reg [3:0] bit_count; - - encode_8b10b encode_8b10b - (.datain({k,datain}),.dispin(disp_reg), - .dataout(dataout),.dispout(disp)); - - always @(posedge clk) - if(rst) - disp_reg <= 0; - else if(new_word) - disp_reg <= disp; - - always @(posedge clk) - if(rst) - dataout_reg <= 0; - else if(new_word) - dataout_reg <= dataout; - else - dataout_reg <= {1'b0,dataout_reg[9:1]}; - - always @(posedge clk) - exp_time_out <= dataout_reg[0]; - - assign new_word = (bit_count == 9); - - always @(posedge clk) - if(rst) - bit_count <= 0; - else if(new_word | send_sync) - bit_count <= 0; - else - bit_count <= bit_count + 1; - - localparam SEND_IDLE = 0; - localparam SEND_HEAD = 1; - localparam SEND_T0 = 2; - localparam SEND_T1 = 3; - localparam SEND_T2 = 4; - localparam SEND_T3 = 5; - localparam SEND_T4 = 6; - localparam SEND_T5 = 7; - localparam SEND_T6 = 8; - localparam SEND_T7 = 9; - localparam SEND_TAIL = 10; - - localparam COMMA = 8'hBC; - localparam HEAD = 8'h3C; - localparam TAIL = 8'hF7; - - reg [63:0] vita_time_reg; - - always @(posedge clk) - if(rst) - vita_time_reg <= 0; - else if(send_sync) - vita_time_reg <= vita_time; - - always @(posedge clk) - if(rst) - begin - {k,datain} <= 0; - state <= SEND_IDLE; - end - else - if(send_sync) - state <= SEND_HEAD; - else if(new_word) - case(state) - SEND_IDLE : - {k,datain} <= {1'b1,COMMA}; - SEND_HEAD : - begin - {k,datain} <= {1'b1, HEAD}; - state <= SEND_T0; - end - SEND_T0 : - begin - {k,datain} <= {1'b0, vita_time_reg[63:56] }; - state <= SEND_T1; - end - SEND_T1 : - begin - {k,datain} <= {1'b0, vita_time_reg[55:48]}; - state <= SEND_T2; - end - SEND_T2 : - begin - {k,datain} <= {1'b0, vita_time_reg[47:40]}; - state <= SEND_T3; - end - SEND_T3 : - begin - {k,datain} <= {1'b0, vita_time_reg[39:32]}; - state <= SEND_T4; - end - SEND_T4 : - begin - {k,datain} <= {1'b0, vita_time_reg[31:24]}; - state <= SEND_T5; - end - SEND_T5 : - begin - {k,datain} <= {1'b0, vita_time_reg[23:16]}; - state <= SEND_T6; - end - SEND_T6 : - begin - {k,datain} <= {1'b0, vita_time_reg[15:8]}; - state <= SEND_T7; - end - SEND_T7 : - begin - {k,datain} <= {1'b0, vita_time_reg[7:0]}; - state <= SEND_TAIL; - end - SEND_TAIL : - begin - {k,datain} <= {1'b1, TAIL}; - state <= SEND_IDLE; - end - default : - state <= SEND_IDLE; - endcase // case(state) - -endmodule // time_sender |