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-----------------------------------------------------------------------------
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-- LEON3 Demonstration design
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-- Copyright (C) 2004 Jiri Gaisler, Gaisler Research
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--
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-- This program is free software; you can redistribute it and/or modify
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-- it under the terms of the GNU General Public License as published by
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-- the Free Software Foundation; either version 2 of the License, or
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-- (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,
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-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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-- GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License
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-- along with this program; if not, write to the Free Software
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-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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------------------------------------------------------------------------------
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LIBRARY ieee;
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USE ieee.std_logic_1164.ALL;
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LIBRARY grlib;
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USE grlib.amba.ALL;
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USE grlib.stdlib.ALL;
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LIBRARY techmap;
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USE techmap.gencomp.ALL;
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LIBRARY gaisler;
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USE gaisler.memctrl.ALL;
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USE gaisler.leon3.ALL;
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USE gaisler.uart.ALL;
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USE gaisler.misc.ALL;
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USE gaisler.spacewire.ALL; -- PLE
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LIBRARY esa;
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USE esa.memoryctrl.ALL;
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--USE work.config.ALL;
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LIBRARY lpp;
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USE lpp.lpp_memory.ALL;
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USE lpp.lpp_ad_conv.ALL;
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USE lpp.lpp_top_lfr_pkg.ALL;
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USE lpp.iir_filter.ALL;
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USE lpp.general_purpose.ALL;
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USE lpp.lpp_lfr_time_management.ALL;
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ENTITY tb_wf_picker IS
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END;
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ARCHITECTURE Behavioral OF tb_wf_picker IS
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SIGNAL clk49_152MHz : STD_LOGIC := '0';
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SIGNAL clkm : STD_LOGIC := '0';
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SIGNAL rstn : STD_LOGIC := '0';
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SIGNAL coarse_time_0 : STD_LOGIC := '0';
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-- ADC interface
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SIGNAL bias_fail_sw : STD_LOGIC; -- OUT
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SIGNAL ADC_OEB_bar_CH : STD_LOGIC_VECTOR(7 DOWNTO 0); -- OUT
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SIGNAL ADC_smpclk : STD_LOGIC; -- OUT
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SIGNAL ADC_data : STD_LOGIC_VECTOR(13 DOWNTO 0); -- IN
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--
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SIGNAL apbi : apb_slv_in_type;
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SIGNAL apbo : apb_slv_out_vector := (OTHERS => apb_none);
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SIGNAL ahbmi : ahb_mst_in_type;
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SIGNAL ahbmo : ahb_mst_out_vector := (OTHERS => ahbm_none);
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-- internal
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SIGNAL sample : Samples14v(7 DOWNTO 0);
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SIGNAL sample_val : STD_LOGIC;
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BEGIN
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-----------------------------------------------------------------------------
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MODULE_RHF1401: FOR I IN 0 TO 7 GENERATE
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TestModule_RHF1401_1: TestModule_RHF1401
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GENERIC MAP (
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freq => 24*(I+1),
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amplitude => 8000/(I+1),
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impulsion => 0)
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PORT MAP (
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ADC_smpclk => ADC_smpclk,
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ADC_OEB_bar => ADC_OEB_bar_CH(I),
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ADC_data => ADC_data);
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END GENERATE MODULE_RHF1401;
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-----------------------------------------------------------------------------
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clk49_152MHz <= NOT clk49_152MHz AFTER 10173 ps; -- 49.152/2 MHz
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clkm <= NOT clkm AFTER 20 ns; -- 25 MHz
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coarse_time_0 <= NOT coarse_time_0 AFTER 100 ms;
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-----------------------------------------------------------------------------
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-- waveform generation
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WaveGen_Proc : PROCESS
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BEGIN
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-- insert signal assignments here
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WAIT UNTIL clkm = '1';
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apbi <= apb_slv_in_none;
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rstn <= '0';
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-- cnv_rstn <= '0';
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-- run_cnv <= '0';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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rstn <= '1';
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-- cnv_rstn <= '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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-- run_cnv <= '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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apbi.psel(15) <= '1';
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apbi.penable <= '1';
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apbi.pwrite <= '1';
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-- 765432
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apbi.paddr(7 DOWNTO 2) <= "001000";
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apbi.pwdata(4 DOWNTO 0) <= "00000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001001";
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apbi.pwdata(6 DOWNTO 0) <= "0000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001010";
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apbi.pwdata <= "10000000000000000000000000000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001011";
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apbi.pwdata <= "10010000000000000000000000000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001100";
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apbi.pwdata <= "10100000000000000000000000000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001101";
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apbi.pwdata <= "10110000000000000000000000000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001110";
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apbi.pwdata(11 DOWNTO 0) <= "000000000000";
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001111";
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apbi.pwdata(15 DOWNTO 0) <= "0000000000000001"; -- A => 1 * 100 ms
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "010000"; -- delta_f2_f1
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apbi.pwdata(15 DOWNTO 0) <= "0000000001111000"; -- 0x78 = 120
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "010001"; -- delta_f2_f0
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apbi.pwdata(19 DOWNTO 0) <= "00000000001011111000"; -- 0x2f8 = 760
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "010010"; -- nb_burst_available
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apbi.pwdata(11 DOWNTO 0) <= "000000001100"; -- 12 = 0xC
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "010011"; -- nb_snapshot_param
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apbi.pwdata(11 DOWNTO 0) <= "000000001111"; -- 15 (+ 1)
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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WAIT UNTIL clkm = '1';
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apbi.paddr(7 DOWNTO 2) <= "001001";
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apbi.pwdata(6 DOWNTO 0) <= "0000111";
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WAIT UNTIL clkm = '1';
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apbi.psel(15) <= '1';
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apbi.penable <= '0';
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apbi.pwrite <= '0';
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WAIT UNTIL clkm = '1';
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WAIT;
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END PROCESS WaveGen_Proc;
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ahbmi.HGRANT(2) <= '1';
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ahbmi.HREADY <= '1';
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ahbmi.HRESP <= HRESP_OKAY;
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-- DUT ------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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top_ad_conv_RHF1401_1 : top_ad_conv_RHF1401
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GENERIC MAP (
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ChanelCount => 8,
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ncycle_cnv_high => 79,
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ncycle_cnv => 500)
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PORT MAP (
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cnv_clk => clk49_152MHz,
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cnv_rstn => rstn,
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cnv => ADC_smpclk,
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clk => clkm,
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rstn => rstn,
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ADC_data => ADC_data,
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ADC_nOE => ADC_OEB_bar_CH,
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sample => sample,
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sample_val => sample_val);
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waveform_picker0 : top_wf_picker
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GENERIC MAP(
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hindex => 2,
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pindex => 15,
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paddr => 15,
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pmask => 16#fff#,
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pirq => 14,
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tech => inferred,
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nb_burst_available_size => 12, -- size of the register holding the nb of burst
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nb_snapshot_param_size => 12, -- size of the register holding the snapshots size
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delta_snapshot_size => 16, -- snapshots period
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delta_f2_f0_size => 20, -- initialize the counter when the f2 snapshot starts
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delta_f2_f1_size => 16, -- nb f0 ticks before starting the f1 snapshot
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ENABLE_FILTER => '0'
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)
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PORT MAP(
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sample => sample,
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sample_val => sample_val,
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--
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cnv_clk => clk49_152MHz,
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cnv_rstn => rstn,
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-- AMBA AHB system signals
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HCLK => clkm,
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HRESETn => rstn,
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-- AMBA APB Slave Interface
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apbi => apbi,
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apbo => apbo(15),
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-- AMBA AHB Master Interface
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AHB_Master_In => ahbmi,
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AHB_Master_Out => ahbmo(2),
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--
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coarse_time_0 => coarse_time_0, -- bit 0 of the coarse time
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--
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data_shaping_BW => bias_fail_sw
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);
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-------------------------------------------------------------------------------
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-------------------------------------------------------------------------------
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END Behavioral;
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