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[/] [w11/] [tags/] [w11a_V0.74/] [rtl/] [sys_gen/] [tst_snhumanio/] [nexys2/] [sys_tst_snhumanio_n2.vhd] - Rev 38
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-- $Id: sys_tst_snhumanio_n2.vhd 649 2015-02-21 21:10:16Z mueller $ -- -- Copyright 2011- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de> -- -- This program is free software; you may redistribute and/or modify it under -- the terms of the GNU General Public License as published by the Free -- Software Foundation, either version 2, or at your option any later version. -- -- This program is distributed in the hope that it will be useful, but -- WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -- for complete details. -- ------------------------------------------------------------------------------ -- Module Name: sys_tst_snhumanio_n2 - syn -- Description: snhumanio tester design for nexys2 -- -- Dependencies: vlib/genlib/clkdivce -- bplib/bpgen/sn_humanio -- tst_snhumanio -- vlib/nxcramlib/nx_cram_dummy -- -- Test bench: - -- -- Target Devices: generic -- Tool versions: xst 13.1-14.7; ghdl 0.29-0.31 -- -- Synthesized (xst): -- Date Rev ise Target flop lutl lutm slic t peri -- 2011-09-17 410 13.1 O40d xc3s1200e-4 149 207 - 144 t 10.2 -- -- Revision History: -- Date Rev Version Comment -- 2011-12-23 444 1.1 remove clksys output hack -- 2011-11-26 433 1.0.3 use nx_cram_dummy now -- 2011-11-23 432 1.0.3 update O_FLA_CE_N usage -- 2011-10-25 419 1.0.2 get entity name right... -- 2011-09-17 410 1.0 Initial version ------------------------------------------------------------------------------ -- Usage of Nexys 2 Switches, Buttons, LEDs: -- library ieee; use ieee.std_logic_1164.all; use work.slvtypes.all; use work.genlib.all; use work.bpgenlib.all; use work.nxcramlib.all; use work.sys_conf.all; -- ---------------------------------------------------------------------------- entity sys_tst_snhumanio_n2 is -- top level -- implements nexys2_aif port ( I_CLK50 : in slbit; -- 50 MHz clock I_RXD : in slbit; -- receive data (board view) O_TXD : out slbit; -- transmit data (board view) I_SWI : in slv8; -- n2 switches I_BTN : in slv4; -- n2 buttons O_LED : out slv8; -- n2 leds O_ANO_N : out slv4; -- 7 segment disp: anodes (act.low) O_SEG_N : out slv8; -- 7 segment disp: segments (act.low) O_MEM_CE_N : out slbit; -- cram: chip enable (act.low) O_MEM_BE_N : out slv2; -- cram: byte enables (act.low) O_MEM_WE_N : out slbit; -- cram: write enable (act.low) O_MEM_OE_N : out slbit; -- cram: output enable (act.low) O_MEM_ADV_N : out slbit; -- cram: address valid (act.low) O_MEM_CLK : out slbit; -- cram: clock O_MEM_CRE : out slbit; -- cram: command register enable I_MEM_WAIT : in slbit; -- cram: mem wait O_MEM_ADDR : out slv23; -- cram: address lines IO_MEM_DATA : inout slv16; -- cram: data lines O_FLA_CE_N : out slbit -- flash ce.. (act.low) ); end sys_tst_snhumanio_n2; architecture syn of sys_tst_snhumanio_n2 is signal CLK : slbit := '0'; signal SWI : slv8 := (others=>'0'); signal BTN : slv4 := (others=>'0'); signal LED : slv8 := (others=>'0'); signal DSP_DAT : slv16 := (others=>'0'); signal DSP_DP : slv4 := (others=>'0'); signal RESET : slbit := '0'; signal CE_MSEC : slbit := '0'; begin RESET <= '0'; -- so far not used CLK <= I_CLK50; CLKDIV : clkdivce generic map ( CDUWIDTH => 7, USECDIV => 50, MSECDIV => 1000) port map ( CLK => CLK, CE_USEC => open, CE_MSEC => CE_MSEC ); HIO : sn_humanio generic map ( BWIDTH => 4, DEBOUNCE => sys_conf_hio_debounce) port map ( CLK => CLK, RESET => RESET, CE_MSEC => CE_MSEC, SWI => SWI, BTN => BTN, LED => LED, DSP_DAT => DSP_DAT, DSP_DP => DSP_DP, I_SWI => I_SWI, I_BTN => I_BTN, O_LED => O_LED, O_ANO_N => O_ANO_N, O_SEG_N => O_SEG_N ); HIOTEST : entity work.tst_snhumanio generic map ( BWIDTH => 4) port map ( CLK => CLK, RESET => RESET, CE_MSEC => CE_MSEC, SWI => SWI, BTN => BTN, LED => LED, DSP_DAT => DSP_DAT, DSP_DP => DSP_DP ); O_TXD <= I_RXD; SRAM_PROT : nx_cram_dummy -- connect CRAM to protection dummy port map ( O_MEM_CE_N => O_MEM_CE_N, O_MEM_BE_N => O_MEM_BE_N, O_MEM_WE_N => O_MEM_WE_N, O_MEM_OE_N => O_MEM_OE_N, O_MEM_ADV_N => O_MEM_ADV_N, O_MEM_CLK => O_MEM_CLK, O_MEM_CRE => O_MEM_CRE, I_MEM_WAIT => I_MEM_WAIT, O_MEM_ADDR => O_MEM_ADDR, IO_MEM_DATA => IO_MEM_DATA ); O_FLA_CE_N <= '1'; -- keep Flash memory disabled end syn;