| Line 35... |
Line 35... |
---- ----
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---- ----
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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 1.6 2003-08-09 07:01:13 rherveille Exp $
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-- $Id: i2c_master_top.vhd,v 1.7 2004-03-14 10:17:03 rherveille Exp $
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--
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--
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-- $Date: 2003-08-09 07:01:13 $
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-- $Date: 2004-03-14 10:17:03 $
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-- $Revision: 1.6 $
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-- $Revision: 1.7 $
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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 1.6 2003/08/09 07:01:13 rherveille
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-- Fixed a bug in the Arbitration Lost generation caused by delay on the (external) sda line.
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-- Fixed a potential bug in the byte controller's host-acknowledge generation.
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--
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-- Revision 1.5 2003/02/01 02:03:06 rherveille
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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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-- Fixed a few 'arbitration lost' bugs. VHDL version only.
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--
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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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| Line 217... |
Line 221... |
case wb_adr_i is
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case wb_adr_i is
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when "000" => prer( 7 downto 0) <= unsigned(wb_dat_i);
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when "000" => prer( 7 downto 0) <= unsigned(wb_dat_i);
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when "001" => prer(15 downto 8) <= unsigned(wb_dat_i);
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when "001" => prer(15 downto 8) <= unsigned(wb_dat_i);
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when "010" => ctr <= wb_dat_i;
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when "010" => ctr <= wb_dat_i;
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when "011" => txr <= wb_dat_i;
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when "011" => txr <= wb_dat_i;
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when "100" => null; --write to CR, avoid executing the others clause
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-- illegal cases, for simulation only
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-- illegal cases, for simulation only
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when others =>
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when others =>
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report ("Illegal write address, setting all registers to unknown.");
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report ("Illegal write address, setting all registers to unknown.");
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prer <= (others => 'X');
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prer <= (others => 'X');
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