| 1 |
2 |
panda_emc |
-----------------------------------------------------------------------------------------------
|
| 2 |
|
|
--
|
| 3 |
|
|
-- Copyright (C) 2011 Peter Lemmens, PANDA collaboration
|
| 4 |
|
|
-- p.j.j.lemmens@rug.nl
|
| 5 |
|
|
-- http://www-panda.gsi.de
|
| 6 |
|
|
--
|
| 7 |
|
|
-- As a reference, please use:
|
| 8 |
|
|
-- E. Guliyev, M. Kavatsyuk, P.J.J. Lemmens, G. Tambave, H. Loehner,
|
| 9 |
|
|
-- "VHDL Implementation of Feature-Extraction Algorithm for the PANDA Electromagnetic Calorimeter"
|
| 10 |
|
|
-- Nuclear Inst. and Methods in Physics Research, A ....
|
| 11 |
|
|
--
|
| 12 |
|
|
--
|
| 13 |
|
|
-- This program is free software; you can redistribute it and/or modify
|
| 14 |
|
|
-- it under the terms of the GNU Lesser General Public License as published by
|
| 15 |
|
|
-- the Free Software Foundation; either version 3 of the License, or
|
| 16 |
|
|
-- (at your option) any later version.
|
| 17 |
|
|
--
|
| 18 |
|
|
-- This program is distributed in the hope that it will be useful,
|
| 19 |
|
|
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 20 |
|
|
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 21 |
|
|
-- GNU Lesser General Public License for more details.
|
| 22 |
|
|
--
|
| 23 |
|
|
-- You should have received a copy of the GNU General Public License
|
| 24 |
|
|
-- along with this program; if not, write to the Free Software
|
| 25 |
|
|
-- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111 USA
|
| 26 |
|
|
--
|
| 27 |
|
|
-----------------------------------------------------------------------------------------------
|
| 28 |
|
|
-- Company : KVI (Kernfysisch Versneller Instituut -- Groningen, The Netherlands
|
| 29 |
|
|
-- Author : P.J.J. Lemmens
|
| 30 |
|
|
-- Design Name : Feature Extraction
|
| 31 |
|
|
-- Module Name : data_select.vhd
|
| 32 |
|
|
-- Description : The data-selector is in essence a DEBUG-feature that enables the selection
|
| 33 |
|
|
-- of 1 of 16 busses for output; most giving continuous data.
|
| 34 |
|
|
--
|
| 35 |
|
|
-- 0 'echo-mode' copying input data to output to see if anything works at all
|
| 36 |
|
|
-- 1 mwd (moving window deconv) output = CF-input
|
| 37 |
|
|
-- 2 baseline value
|
| 38 |
|
|
-- 3 CF-input signal clamped to zero
|
| 39 |
|
|
-- 4 CF-input signal clamped to zero and delayed
|
| 40 |
|
|
-- 5 CF-input signal clamped to zero and divided by 4 (or 2) and inverted
|
| 41 |
|
|
-- 6 CF result
|
| 42 |
|
|
-- 7 CF-input signal integrated
|
| 43 |
|
|
-- 8 zero-crossing detection signal
|
| 44 |
|
|
-- 9 event-detection signal
|
| 45 |
|
|
-- 10 gating signal
|
| 46 |
|
|
-- 11 energy/amplitude/peak-value of signal at an event
|
| 47 |
|
|
-- 12 samplenr (lower 16-bits) when an event is detected
|
| 48 |
|
|
-- 13 samplenr (lower 16-bits) when an event is detected
|
| 49 |
|
|
-- 14 time fraction (right alligned)
|
| 50 |
|
|
-- 15 multiplexed event feature packet
|
| 51 |
|
|
--
|
| 52 |
|
|
-----------------------------------------------------------------------------------------------
|
| 53 |
|
|
LIBRARY ieee;
|
| 54 |
|
|
USE ieee.std_logic_1164.ALL;
|
| 55 |
|
|
USE ieee.std_logic_unsigned.all;
|
| 56 |
|
|
use IEEE.STD_LOGIC_ARITH.ALL;
|
| 57 |
|
|
|
| 58 |
|
|
entity output_select is
|
| 59 |
|
|
PORT ( clk : in std_logic;
|
| 60 |
|
|
output_select : in std_logic_vector;
|
| 61 |
|
|
indata_in : in std_logic_vector; -- Feature Extraction data_in
|
| 62 |
|
|
mwd_in : in std_logic_vector;
|
| 63 |
|
|
baseline_in : in std_logic_vector;
|
| 64 |
|
|
clamped_in : in std_logic_vector;
|
| 65 |
|
|
del_clamp_in : in std_logic_vector;
|
| 66 |
|
|
CFdev_clamp_in : in std_logic_vector;
|
| 67 |
|
|
cf_trace_in : in std_logic_vector;
|
| 68 |
|
|
integral_in : in std_logic_vector;
|
| 69 |
|
|
zerox_in : in std_logic;
|
| 70 |
|
|
eventdetect_in : in std_logic;
|
| 71 |
|
|
gate_in : in std_logic;
|
| 72 |
|
|
energy_in : in std_logic_vector;
|
| 73 |
|
|
mux_data_in : in std_logic_vector;
|
| 74 |
|
|
samplenr_in : in STD_LOGIC_VECTOR;
|
| 75 |
|
|
fraction_in : in STD_LOGIC_VECTOR;
|
| 76 |
|
|
mux_data_valid_in : in std_logic;
|
| 77 |
|
|
fe_data_valid : in std_logic;
|
| 78 |
|
|
dataword_out : out std_logic_vector;
|
| 79 |
|
|
data_out_valid : out std_logic
|
| 80 |
|
|
);
|
| 81 |
|
|
end output_select;
|
| 82 |
|
|
|
| 83 |
|
|
architecture Behavioral of output_select is
|
| 84 |
|
|
|
| 85 |
|
|
constant WIDTH : natural := indata_in'length;
|
| 86 |
|
|
|
| 87 |
|
|
signal clk_S : std_logic := '0';
|
| 88 |
|
|
signal output_select_S : std_logic_vector(output_select'high downto 0) := (others => '0');
|
| 89 |
|
|
|
| 90 |
|
|
signal indata_in_S : std_logic_vector(WIDTH - 1 downto 0) := (others => '0');
|
| 91 |
|
|
signal mwd_in_S : std_logic_vector(WIDTH - 1 downto 0) := (others => '0');
|
| 92 |
|
|
signal baseline_in_S : std_logic_vector(WIDTH - 1 downto 0);
|
| 93 |
|
|
signal clamped_in_S : std_logic_vector(WIDTH - 1 downto 0);
|
| 94 |
|
|
signal del_clamp_in_S : std_logic_vector(WIDTH - 1 downto 0);
|
| 95 |
|
|
signal CFdev_clamp_in_S : std_logic_vector(WIDTH - 1 downto 0);
|
| 96 |
|
|
signal cf_trace_in_S : STD_LOGIC_VECTOR(WIDTH - 1 downto 0);
|
| 97 |
|
|
signal integral_in_S : STD_LOGIC_VECTOR(WIDTH - 1 downto 0);
|
| 98 |
|
|
signal zeroX_in_S : STD_LOGIC;
|
| 99 |
|
|
signal eventdetect_in_S : STD_LOGIC;
|
| 100 |
|
|
signal gate_in_S : STD_LOGIC;
|
| 101 |
|
|
signal energy_in_S : STD_LOGIC_VECTOR(WIDTH - 1 downto 0);
|
| 102 |
|
|
|
| 103 |
|
|
signal dataLSB_out_S : std_logic_vector(7 downto 0) := (others => '0');
|
| 104 |
|
|
signal dataMSB_out_S : std_logic_vector(7 downto 0) := (others => '0');
|
| 105 |
|
|
signal uar_data_valid_in_S : std_logic;
|
| 106 |
|
|
signal mux_data_in_S : std_logic_vector(15 downto 0) := (others => '0');
|
| 107 |
|
|
signal samplenr_in_S : std_logic_vector(63 downto 0) := (others => '0');
|
| 108 |
|
|
signal fraction_in_S : STD_LOGIC_VECTOR(15 downto 0) := (others => '0');
|
| 109 |
|
|
signal mux_data_in_valid_S : std_logic;
|
| 110 |
|
|
|
| 111 |
|
|
signal dataword_out_S : std_logic_vector(15 downto 0) := (others => '0');
|
| 112 |
|
|
signal intermed_valid_S : std_logic;
|
| 113 |
|
|
signal data_out_valid_S : std_logic;
|
| 114 |
|
|
|
| 115 |
|
|
begin
|
| 116 |
|
|
|
| 117 |
|
|
clk_S <= clk;
|
| 118 |
|
|
output_select_S <= output_select;
|
| 119 |
|
|
indata_in_S <= indata_in;
|
| 120 |
|
|
mwd_in_S <= mwd_in;
|
| 121 |
|
|
baseline_in_S <= baseline_in;
|
| 122 |
|
|
clamped_in_S <= clamped_in;
|
| 123 |
|
|
del_clamp_in_S <= del_clamp_in;
|
| 124 |
|
|
CFdev_clamp_in_S <= CFdev_clamp_in;
|
| 125 |
|
|
cf_trace_in_S <= cf_trace_in;
|
| 126 |
|
|
integral_in_S <= integral_in;
|
| 127 |
|
|
zerox_in_S <= zerox_in;
|
| 128 |
|
|
eventdetect_in_S <= eventdetect_in;
|
| 129 |
|
|
gate_in_S <= gate_in;
|
| 130 |
|
|
energy_in_S <= energy_in;
|
| 131 |
|
|
mux_data_in_S <= mux_data_in;
|
| 132 |
|
|
samplenr_in_S <= samplenr_in;
|
| 133 |
|
|
fraction_in_S(fraction_in'high downto 0) <= fraction_in;
|
| 134 |
|
|
fraction_in_S(fraction_in_S'high downto fraction_in'high + 1) <= (others => '0');
|
| 135 |
|
|
mux_data_in_valid_S <= mux_data_valid_in;
|
| 136 |
|
|
uar_data_valid_in_S <= fe_data_valid;
|
| 137 |
|
|
dataword_out <= dataword_out_S;
|
| 138 |
|
|
data_out_valid <= data_out_valid_S;
|
| 139 |
|
|
|
| 140 |
|
|
select_proc : process(clk_S) --, output_select_S, indata_in_S, baseline_in_S, clamped_in_S, del_clamp_in_S, CFdev_clamp_in_S,
|
| 141 |
|
|
--cf_trace_in_S, integral_in_S, zeroX_in_S, gate_in_S, energy_in_S, mux_data_in_S, mux_data_in_valid_S)
|
| 142 |
|
|
begin
|
| 143 |
|
|
if (clk_S'event and clk_S = '1') then -- clocking this SOB gives 2 extra delays... laat maar
|
| 144 |
|
|
case conv_integer(output_select_S) is
|
| 145 |
|
|
when 0 =>
|
| 146 |
|
|
dataLSB_out_S <= indata_in_S(7 downto 0);
|
| 147 |
|
|
dataMSB_out_S <= indata_in_S(15 downto 8);
|
| 148 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 149 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 150 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 151 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 152 |
|
|
when 1 =>
|
| 153 |
|
|
dataLSB_out_S <= mwd_in_S(7 downto 0);
|
| 154 |
|
|
dataMSB_out_S <= mwd_in_S(15 downto 8);
|
| 155 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 156 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 157 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 158 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 159 |
|
|
when 2 =>
|
| 160 |
|
|
dataLSB_out_S <= baseline_in_S(7 downto 0);
|
| 161 |
|
|
dataMSB_out_S <= baseline_in_S(15 downto 8);
|
| 162 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 163 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 164 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 165 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 166 |
|
|
when 3 =>
|
| 167 |
|
|
dataLSB_out_S <= clamped_in_S(7 downto 0);
|
| 168 |
|
|
dataMSB_out_S <= clamped_in_S(15 downto 8);
|
| 169 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 170 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 171 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 172 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 173 |
|
|
when 4 =>
|
| 174 |
|
|
dataLSB_out_S <= del_clamp_in_S(7 downto 0);
|
| 175 |
|
|
dataMSB_out_S <= del_clamp_in_S(15 downto 8);
|
| 176 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 177 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 178 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 179 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 180 |
|
|
when 5 =>
|
| 181 |
|
|
dataLSB_out_S <= CFdev_clamp_in_S(7 downto 0);
|
| 182 |
|
|
dataMSB_out_S <= CFdev_clamp_in_S(15 downto 8);
|
| 183 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 184 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 185 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 186 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 187 |
|
|
when 6 =>
|
| 188 |
|
|
dataLSB_out_S <= cf_trace_in_S(7 downto 0);
|
| 189 |
|
|
dataMSB_out_S <= cf_trace_in_S(15 downto 8);
|
| 190 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 191 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 192 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 193 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 194 |
|
|
when 7 =>
|
| 195 |
|
|
dataLSB_out_S <= integral_in_S(7 downto 0);
|
| 196 |
|
|
dataMSB_out_S <= integral_in_S(15 downto 8);
|
| 197 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 198 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 199 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 200 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 201 |
|
|
when 8 =>
|
| 202 |
|
|
dataLSB_out_S(7) <= zeroX_in_S;
|
| 203 |
|
|
dataLSB_out_S(6 downto 0) <= (others => '0');
|
| 204 |
|
|
dataMSB_out_S <= (others => '0');
|
| 205 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 206 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 207 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 208 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 209 |
|
|
when 9 =>
|
| 210 |
|
|
dataLSB_out_S(7) <= eventdetect_in_S;
|
| 211 |
|
|
dataLSB_out_S(6 downto 0) <= (others => '0');
|
| 212 |
|
|
dataMSB_out_S <= (others => '0');
|
| 213 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 214 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 215 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 216 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 217 |
|
|
when 10 =>
|
| 218 |
|
|
dataLSB_out_S(7) <= gate_in_S;
|
| 219 |
|
|
dataLSB_out_S(6 downto 0) <= (others => '0');
|
| 220 |
|
|
dataMSB_out_S <= (others => '0');
|
| 221 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 222 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 223 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 224 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 225 |
|
|
when 11 =>
|
| 226 |
|
|
dataLSB_out_S <= energy_in_S(7 downto 0);
|
| 227 |
|
|
dataMSB_out_S <= energy_in_S(15 downto 8);
|
| 228 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 229 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 230 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 231 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 232 |
|
|
when 12 =>
|
| 233 |
|
|
dataLSB_out_S <= samplenr_in_S(7 downto 0);
|
| 234 |
|
|
dataMSB_out_S <= samplenr_in_S(15 downto 8);
|
| 235 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 236 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 237 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 238 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 239 |
|
|
when 13 =>
|
| 240 |
|
|
dataLSB_out_S <= samplenr_in_S(23 downto 16);
|
| 241 |
|
|
dataMSB_out_S <= samplenr_in_S(31 downto 24);
|
| 242 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 243 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 244 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 245 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 246 |
|
|
when 14 =>
|
| 247 |
|
|
dataLSB_out_S <= fraction_in_S(7 downto 0);
|
| 248 |
|
|
dataMSB_out_S <= fraction_in_S(15 downto 8);
|
| 249 |
|
|
intermed_valid_S <= uar_data_valid_in_S;
|
| 250 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 251 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 252 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 253 |
|
|
when others =>
|
| 254 |
|
|
dataLSB_out_S <= mux_data_in_S(7 downto 0);
|
| 255 |
|
|
dataMSB_out_S <= mux_data_in_S(15 downto 8);
|
| 256 |
|
|
intermed_valid_S <= mux_data_in_valid_S;
|
| 257 |
|
|
dataword_out_S(7 downto 0) <= dataMSB_out_S;
|
| 258 |
|
|
dataword_out_S(15 downto 8) <= dataLSB_out_S;
|
| 259 |
|
|
data_out_valid_S <= intermed_valid_S;
|
| 260 |
|
|
end case;
|
| 261 |
|
|
end if;
|
| 262 |
|
|
end process;
|
| 263 |
|
|
end Behavioral;
|
| 264 |
|
|
|
