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-- $Id: rlinklib.vhd 610 2014-12-09 22:44:43Z mueller $
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-- $Id: rlinklib.vhd 617 2014-12-21 14:18:53Z mueller $
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--
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--
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-- Copyright 2007-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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-- Copyright 2007-2014 by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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--
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--
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-- This program is free software; you may redistribute and/or modify it under
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-- This program is free software; you may redistribute and/or modify it under
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-- the terms of the GNU General Public License as published by the Free
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-- the terms of the GNU General Public License as published by the Free
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-- Dependencies: -
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-- Dependencies: -
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-- Tool versions: xst 8.2-14.7; ghdl 0.18-0.31
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-- Tool versions: xst 8.2-14.7; ghdl 0.18-0.31
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--
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--
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-- Revision History:
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-- Revision History:
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-- Date Rev Version Comment
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-- Date Rev Version Comment
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-- 2014-12-21 617 4.1 use stat(2) to signal rbus timeout
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-- 2014-10-12 596 4.0 now rlink v4.0 iface, 4 bit STAT
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-- 2014-10-12 596 4.0 now rlink v4.0 iface, 4 bit STAT
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-- 2014-08-15 583 3.5 rb_mreq addr now 16 bit
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-- 2014-08-15 583 3.5 rb_mreq addr now 16 bit
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-- 2013-04-21 509 3.3.2 add rlb_moni record definition
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-- 2013-04-21 509 3.3.2 add rlb_moni record definition
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-- 2012-12-29 466 3.3.1 add rlink_rlbmux
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-- 2012-12-29 466 3.3.1 add rlink_rlbmux
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-- 2011-12-23 444 3.3 CLK_CYCLE now integer
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-- 2011-12-23 444 3.3 CLK_CYCLE now integer
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subtype c_rlink_cmd_rbf_seq is integer range 7 downto 3; -- sequence number
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subtype c_rlink_cmd_rbf_seq is integer range 7 downto 3; -- sequence number
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subtype c_rlink_cmd_rbf_code is integer range 2 downto 0; -- command code
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subtype c_rlink_cmd_rbf_code is integer range 2 downto 0; -- command code
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subtype c_rlink_stat_rbf_stat is integer range 7 downto 4; -- ext status bits
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subtype c_rlink_stat_rbf_stat is integer range 7 downto 4; -- ext status bits
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constant c_rlink_stat_rbf_attn: integer := 3; -- attention flags set
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constant c_rlink_stat_rbf_attn: integer := 3; -- attention flags set
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constant c_rlink_stat_rbf_rbnak: integer := 1; -- rbus no ack or timeout
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constant c_rlink_stat_rbf_rbtout: integer := 2; -- rbus timeout
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constant c_rlink_stat_rbf_rbnak: integer := 1; -- rbus no ack
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constant c_rlink_stat_rbf_rberr: integer := 0; -- rbus err bit set
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constant c_rlink_stat_rbf_rberr: integer := 0; -- rbus err bit set
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constant c_rlink_nakcode_ccrc : slv3 := "000"; -- cmd crc error
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constant c_rlink_nakcode_ccrc : slv3 := "000"; -- cmd crc error
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constant c_rlink_nakcode_dcrc : slv3 := "001"; -- data crc error
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constant c_rlink_nakcode_dcrc : slv3 := "001"; -- data crc error
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constant c_rlink_nakcode_frame : slv3 := "010"; -- framing error
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constant c_rlink_nakcode_frame : slv3 := "010"; -- framing error
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