| Line 1... |
Line 1... |
-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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--
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--
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-- The Timer/Counter unit.
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-- The Timer/Counter unit.
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--
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--
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-- $Id: timer.vhd,v 1.2 2004-04-15 22:05:13 arniml Exp $
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-- $Id: timer.vhd,v 1.3 2004-05-16 15:32:57 arniml Exp $
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--
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--
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-- All rights reserved
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-- All rights reserved
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--
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--
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-- Redistribution and use in source and synthezised forms, with or without
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-- Redistribution and use in source and synthezised forms, with or without
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-- modification, are permitted provided that the following conditions are met:
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-- modification, are permitted provided that the following conditions are met:
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| Line 127... |
Line 127... |
|
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-- sample in state according to generic
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-- sample in state according to generic
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-- Old devices: sample at the beginning of state 3
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-- Old devices: sample at the beginning of state 3
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-- New devices: sample in state 4
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-- New devices: sample in state 4
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if (sample_t1_state_g = 3 and clk_mstate_i = MSTATE3) or
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if (sample_t1_state_g = 3 and clk_mstate_i = MSTATE3) or
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(sample_t1_state_g = 4 and clk_mstate_i = MSTATE3) then
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(sample_t1_state_g = 4 and clk_mstate_i = MSTATE4) then
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-- detect falling edge
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-- detect falling edge
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if t1_q = '1' and t1_i = '0' then
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if t1_q = '1' and t1_i = '0' then
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t1_inc_s <= true;
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t1_inc_s <= true;
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end if;
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end if;
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end if;
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end if;
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| Line 252... |
Line 252... |
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- File History:
|
-- File History:
|
--
|
--
|
-- $Log: not supported by cvs2svn $
|
-- $Log: not supported by cvs2svn $
|
|
-- Revision 1.2 2004/04/15 22:05:13 arniml
|
|
-- increment prescaler with MSTATE4
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--
|
-- Revision 1.1 2004/03/23 21:31:53 arniml
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-- Revision 1.1 2004/03/23 21:31:53 arniml
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-- initial check-in
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-- initial check-in
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--
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--
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--
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--
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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