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-rw-r--r--timing/time_receiver.v94
1 files changed, 0 insertions, 94 deletions
diff --git a/timing/time_receiver.v b/timing/time_receiver.v
deleted file mode 100644
index 8e7d3f1ea..000000000
--- a/timing/time_receiver.v
+++ /dev/null
@@ -1,94 +0,0 @@
-
-module time_receiver
- (input clk, input rst,
- output [31:0] master_time,
- output sync_rcvd,
- input exp_pps_in);
-
- wire code_err, disp_err, dispout, complete_word;
- reg disp_reg;
- reg [9:0] shiftreg;
- reg [3:0] bit_count;
- wire [8:0] dataout;
- reg [8:0] dataout_reg;
-
- always @(posedge clk)
- shiftreg <= {exp_pps_in, shiftreg[9:1]};
-
- localparam COMMA_0 = 10'h283;
- localparam COMMA_1 = 10'h17c;
-
- wire found_comma = (shiftreg == COMMA_0) | (shiftreg == COMMA_1);
- wire set_disp = (shiftreg == COMMA_1);
-
- always @(posedge clk)
- if(rst)
- bit_count <= 0;
- else if(found_comma | complete_word)
- bit_count <= 0;
- else
- bit_count <= bit_count + 1;
- assign complete_word = (bit_count == 9);
-
- always @(posedge clk)
- if(set_disp)
- disp_reg <= 1;
- else if(complete_word)
- disp_reg <= dispout;
-
- always @(posedge clk)
- if(complete_word)
- dataout_reg <= dataout;
-
- decode_8b10b decode_8b10b
- (.datain(shiftreg),.dispin(disp_reg),
- .dataout(dataout),.dispout(dispout),
- .code_err(code_err),.disp_err(disp_err) );
-
- reg error;
- always @(posedge clk)
- if(complete_word)
- error <= code_err | disp_err;
-
- localparam STATE_IDLE = 0;
- localparam STATE_T0 = 1;
- localparam STATE_T1 = 2;
- localparam STATE_T2 = 3;
- localparam STATE_T3 = 4;
-
- localparam HEAD = 9'h13c;
-
- reg [7:0] clock_a, clock_b, clock_c;
- reg [2:0] state;
-
- always @(posedge clk)
- if(rst)
- state <= STATE_IDLE;
- else if(complete_word)
- case(state)
- STATE_IDLE :
- if(dataout_reg == HEAD)
- state <= STATE_T0;
- STATE_T0 :
- begin
- clock_a <= dataout_reg[7:0];
- state <= STATE_T1;
- end
- STATE_T1 :
- begin
- clock_b <= dataout_reg[7:0];
- state <= STATE_T2;
- end
- STATE_T2 :
- begin
- clock_c <= dataout_reg[7:0];
- state <= STATE_T3;
- end
- STATE_T3 :
- state <= STATE_IDLE;
- endcase // case(state)
-
- assign master_time = {clock_a, clock_b, clock_c, dataout_reg[7:0]};
- assign sync_rcvd = (complete_word & (state == STATE_T3));
-
-endmodule // time_sender