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[/] [i2c/] [trunk/] [rtl/] [vhdl/] [i2c_master_top.vhd] - Diff between revs 34 and 38
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| Rev 34 |
Rev 38 |
| Line 35... |
Line 35... |
---- ----
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---- ----
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---------------------------------------------------------------------
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---------------------------------------------------------------------
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-- CVS Log
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-- CVS Log
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--
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--
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-- $Id: i2c_master_top.vhd,v 1.5 2003-02-01 02:03:06 rherveille Exp $
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-- $Id: i2c_master_top.vhd,v 1.6 2003-08-09 07:01:13 rherveille Exp $
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--
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--
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-- $Date: 2003-02-01 02:03:06 $
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-- $Date: 2003-08-09 07:01:13 $
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-- $Revision: 1.5 $
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-- $Revision: 1.6 $
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-- $Author: rherveille $
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-- $Author: rherveille $
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-- $Locker: $
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-- $Locker: $
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-- $State: Exp $
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-- $State: Exp $
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--
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--
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-- Change History:
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-- Change History:
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-- $Log: not supported by cvs2svn $
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-- $Log: not supported by cvs2svn $
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-- Revision 1.5 2003/02/01 02:03:06 rherveille
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-- Fixed a few 'arbitration lost' bugs. VHDL version only.
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--
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-- Revision 1.4 2002/12/26 16:05:47 rherveille
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-- Revision 1.4 2002/12/26 16:05:47 rherveille
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-- Core is now a Multimaster I2C controller.
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-- Core is now a Multimaster I2C controller.
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--
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--
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-- Revision 1.3 2002/11/30 22:24:37 rherveille
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-- Revision 1.3 2002/11/30 22:24:37 rherveille
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-- Cleaned up code
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-- Cleaned up code
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| Line 243... |
Line 246... |
-- pending commands are finished
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-- pending commands are finished
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cr <= wb_dat_i;
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cr <= wb_dat_i;
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end if;
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end if;
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else
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else
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if (done = '1' or i2c_al = '1') then
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if (done = '1' or i2c_al = '1') then
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cr(7 downto 4) <= (others => '0'); -- clear command bits when command done
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cr(7 downto 4) <= (others => '0'); -- clear command bits when command done or arbitration lost
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-- or arbitration lost
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end if;
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end if;
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cr(2 downto 1) <= (others => '0'); -- reserved bits, always '0'
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cr(2 downto 1) <= (others => '0'); -- reserved bits, always '0'
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cr(0) <= '0'; -- clear IRQ_ACK bit
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cr(0) <= '0'; -- clear IRQ_ACK bit
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end if;
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end if;
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