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-- $Id: tst_serlooplib.vhd 751 2016-03-25 19:46:11Z mueller $
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--
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-- Copyright 2011- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>
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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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-- the terms of the GNU General Public License as published by the Free
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-- Software Foundation, either version 2, or at your option any later version.
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--
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-- This program is distributed in the hope that it will be useful, but
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-- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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-- for complete details.
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--
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------------------------------------------------------------------------------
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-- Package Name: tst_serlooplib
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-- Description: Definitions for tst_serloop records and helpers
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--
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-- Dependencies: -
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-- Tool versions: ise 13.1-14.7; viv 2014.7-2015.4; ghdl 0.29-0.33
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-- Revision History:
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-- Date Rev Version Comment
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-- 2011-12-10 438 1.0.2 add rxui(cnt|dat) fields in hio_stat_type
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-- 2011-12-09 437 1.0.1 rename serport stat->moni port
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-- 2011-10-14 416 1.0 Initial version
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------------------------------------------------------------------------------
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library ieee;
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use ieee.std_logic_1164.all;
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use work.slvtypes.all;
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use work.serportlib.all;
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package tst_serlooplib is
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constant c_mode_idle : slv2 := "00"; -- mode: idle (no tx activity)
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constant c_mode_rxblast : slv2 := "01"; -- mode: rxblast (check rx activity)
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constant c_mode_txblast : slv2 := "10"; -- mode: txblast (saturate tx)
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constant c_mode_loop : slv2 := "11"; -- mode: loop (rx->tx loop-back)
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type hio_cntl_type is record -- humanio controls
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mode : slv2; -- mode (idle,(tx|tx)blast,loop)
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enaxon : slbit; -- enable xon/xoff handling
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enaesc : slbit; -- enable xon/xoff escaping
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enathrottle : slbit; -- enable 1 msec tx throttling
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enaftdi : slbit; -- enable ftdi flush handling
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end record hio_cntl_type;
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constant hio_cntl_init : hio_cntl_type := (
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c_mode_idle, -- mode
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'0','0','0','0' -- enaxon,enaesc,enathrottle,enaftdi
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);
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type hio_stat_type is record -- humanio status
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rxfecnt : slv16; -- rx frame error counter
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rxoecnt : slv16; -- rx overrun error counter
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rxsecnt : slv16; -- rx sequence error counter
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rxcnt : slv32; -- rx char counter
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txcnt : slv32; -- tx char counter
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rxuicnt : slv8; -- rx unsolicited input counter
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rxuidat : slv8; -- rx unsolicited input data
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rxokcnt : slv16; -- rxok 1->0 transition counter
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txokcnt : slv16; -- txok 1->0 transition counter
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end record hio_stat_type;
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constant hio_stat_init : hio_stat_type := (
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(others=>'0'), -- rxfecnt
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(others=>'0'), -- rxoecnt
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(others=>'0'), -- rxsecnt
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(others=>'0'), -- rxcnt
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(others=>'0'), -- txcnt
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(others=>'0'), -- rxuicnt
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(others=>'0'), -- rxuidat
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(others=>'0'), -- rxokcnt
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(others=>'0') -- txokcnt
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);
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-- -------------------------------------
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component tst_serloop is -- tester for serport components
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port (
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CLK : in slbit; -- clock
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RESET : in slbit; -- reset
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CE_MSEC : in slbit; -- msec pulse
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HIO_CNTL : in hio_cntl_type; -- humanio controls
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HIO_STAT : out hio_stat_type; -- humanio status
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SER_MONI : in serport_moni_type; -- serport monitor
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RXDATA : in slv8; -- receiver data out
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RXVAL : in slbit; -- receiver data valid
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RXHOLD : out slbit; -- receiver data hold
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TXDATA : out slv8; -- transmit data in
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TXENA : out slbit; -- transmit data enable
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TXBUSY : in slbit -- transmit busy
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);
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end component;
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component tst_serloop_hiomap is -- default human I/O mapper
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port (
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CLK : in slbit; -- clock
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RESET : in slbit; -- reset
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HIO_CNTL : out hio_cntl_type; -- tester controls from hio
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HIO_STAT : in hio_stat_type; -- tester status to display by hio
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SER_MONI : in serport_moni_type; -- serport monitor to display by hio
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SWI : in slv8; -- switch settings
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BTN : in slv4; -- button settings
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LED : out slv8; -- led data
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DSP_DAT : out slv16; -- display data
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DSP_DP : out slv4 -- display decimal points
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);
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end component;
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end package tst_serlooplib;
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