| Line 48... |
Line 48... |
//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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//
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//
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// CVS Revision History
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// CVS Revision History
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//
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//
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// $Log: not supported by cvs2svn $
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// $Log: not supported by cvs2svn $
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// Revision 1.11 2003/02/09 18:40:29 mohor
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// Overload fixed. Hard synchronization also enabled at the last bit of
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// interframe.
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//
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// Revision 1.10 2003/02/09 02:24:33 mohor
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// Revision 1.10 2003/02/09 02:24:33 mohor
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// Bosch license warning added. Error counters finished. Overload frames
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// Bosch license warning added. Error counters finished. Overload frames
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// still need to be fixed.
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// still need to be fixed.
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//
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//
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// Revision 1.9 2003/01/31 01:13:38 mohor
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// Revision 1.9 2003/01/31 01:13:38 mohor
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| Line 192... |
Line 196... |
/* Generating general enable signal that defines baud rate. */
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/* Generating general enable signal that defines baud rate. */
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always @ (posedge clk or posedge rst)
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always @ (posedge clk or posedge rst)
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begin
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begin
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if (rst)
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if (rst)
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clk_cnt <= 0;
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clk_cnt <= 0;
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else if (clk_cnt == (preset_cnt-1) | reset_mode)
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else if (clk_cnt == (preset_cnt-1))
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clk_cnt <=#Tp 0;
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clk_cnt <=#Tp 0;
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else
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else
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clk_cnt <=#Tp clk_cnt + 1;
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clk_cnt <=#Tp clk_cnt + 1;
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end
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end
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| Line 275... |
Line 279... |
/* Quant counter */
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/* Quant counter */
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always @ (posedge clk or posedge rst)
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always @ (posedge clk or posedge rst)
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begin
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begin
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if (rst)
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if (rst)
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quant_cnt <= 0;
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quant_cnt <= 0;
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else if (go_sync | go_seg1 | go_seg2 | reset_mode)
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else if (go_sync | go_seg1 | go_seg2)
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quant_cnt <=#Tp 0;
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quant_cnt <=#Tp 0;
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else if (clk_en)
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else if (clk_en)
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quant_cnt <=#Tp quant_cnt + 1'b1;
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quant_cnt <=#Tp quant_cnt + 1'b1;
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end
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end
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| Line 336... |
Line 340... |
end
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end
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/* Blocking synchronization (can occur only once in a bit time) */
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/* Blocking synchronization (can occur only once in a bit time) */
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always @ (posedge clk or posedge rst)
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always @ (posedge clk or posedge rst)
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begin
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begin
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if (rst)
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if (rst)
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sync_blocked <=#Tp 1'b0;
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sync_blocked <=#Tp 1'b0;
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else if (clk_en)
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else if (clk_en)
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begin
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begin
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if (hard_sync || resync)
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if (hard_sync | resync)
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sync_blocked <=#Tp 1'b1;
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sync_blocked <=#Tp 1'b1;
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else if (seg2 & quant_cnt == time_segment2)
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else if (seg2 & quant_cnt == time_segment2)
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sync_blocked <=#Tp 1'b0;
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sync_blocked <=#Tp 1'b0;
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end
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end
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end
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end
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