@@ -0,0 +1,492 | |||||
|
1 | ------------------------------------------------------------------------------ | |||
|
2 | -- This file is a part of the LPP VHDL IP LIBRARY | |||
|
3 | -- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | |||
|
4 | -- | |||
|
5 | -- This program is free software; you can redistribute it and/or modify | |||
|
6 | -- it under the terms of the GNU General Public License as published by | |||
|
7 | -- the Free Software Foundation; either version 3 of the License, or | |||
|
8 | -- (at your option) any later version. | |||
|
9 | -- | |||
|
10 | -- This program is distributed in the hope that it will be useful, | |||
|
11 | -- but WITHOUT ANY WARRANTY; without even the implied warranty of | |||
|
12 | -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |||
|
13 | -- GNU General Public License for more details. | |||
|
14 | -- | |||
|
15 | -- You should have received a copy of the GNU General Public License | |||
|
16 | -- along with this program; if not, write to the Free Software | |||
|
17 | -- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |||
|
18 | ------------------------------------------------------------------------------- | |||
|
19 | -- Author : Jean-christophe Pellion | |||
|
20 | -- Mail : jean-christophe.pellion@lpp.polytechnique.fr | |||
|
21 | ------------------------------------------------------------------------------- | |||
|
22 | LIBRARY IEEE; | |||
|
23 | USE IEEE.numeric_std.ALL; | |||
|
24 | USE IEEE.std_logic_1164.ALL; | |||
|
25 | LIBRARY grlib; | |||
|
26 | USE grlib.amba.ALL; | |||
|
27 | USE grlib.stdlib.ALL; | |||
|
28 | LIBRARY techmap; | |||
|
29 | USE techmap.gencomp.ALL; | |||
|
30 | LIBRARY gaisler; | |||
|
31 | USE gaisler.memctrl.ALL; | |||
|
32 | USE gaisler.leon3.ALL; | |||
|
33 | USE gaisler.uart.ALL; | |||
|
34 | USE gaisler.misc.ALL; | |||
|
35 | USE gaisler.spacewire.ALL; | |||
|
36 | LIBRARY esa; | |||
|
37 | USE esa.memoryctrl.ALL; | |||
|
38 | LIBRARY lpp; | |||
|
39 | USE lpp.lpp_memory.ALL; | |||
|
40 | USE lpp.lpp_ad_conv.ALL; | |||
|
41 | USE lpp.lpp_lfr_pkg.ALL; -- contains lpp_lfr, not in the 206 rev of the VHD_Lib | |||
|
42 | USE lpp.lpp_top_lfr_pkg.ALL; -- contains top_wf_picker | |||
|
43 | USE lpp.iir_filter.ALL; | |||
|
44 | USE lpp.general_purpose.ALL; | |||
|
45 | USE lpp.lpp_lfr_management.ALL; | |||
|
46 | USE lpp.lpp_leon3_soc_pkg.ALL; | |||
|
47 | ||||
|
48 | ENTITY LFR_em IS | |||
|
49 | ||||
|
50 | PORT ( | |||
|
51 | clk100MHz : IN STD_ULOGIC; | |||
|
52 | clk49_152MHz : IN STD_ULOGIC; | |||
|
53 | reset : IN STD_ULOGIC; | |||
|
54 | ||||
|
55 | -- TAG -------------------------------------------------------------------- | |||
|
56 | --TAG1 : IN STD_ULOGIC; -- DSU rx data | |||
|
57 | --TAG3 : OUT STD_ULOGIC; -- DSU tx data | |||
|
58 | -- UART APB --------------------------------------------------------------- | |||
|
59 | TAG2 : IN STD_ULOGIC; -- UART1 rx data | |||
|
60 | TAG4 : OUT STD_ULOGIC; -- UART1 tx data | |||
|
61 | -- RAM -------------------------------------------------------------------- | |||
|
62 | address : OUT STD_LOGIC_VECTOR(19 DOWNTO 0); | |||
|
63 | data : INOUT STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
|
64 | nSRAM_BE0 : OUT STD_LOGIC; | |||
|
65 | nSRAM_BE1 : OUT STD_LOGIC; | |||
|
66 | nSRAM_BE2 : OUT STD_LOGIC; | |||
|
67 | nSRAM_BE3 : OUT STD_LOGIC; | |||
|
68 | nSRAM_WE : OUT STD_LOGIC; | |||
|
69 | nSRAM_CE : OUT STD_LOGIC; | |||
|
70 | nSRAM_OE : OUT STD_LOGIC; | |||
|
71 | -- SPW -------------------------------------------------------------------- | |||
|
72 | spw1_din : IN STD_LOGIC; | |||
|
73 | spw1_sin : IN STD_LOGIC; | |||
|
74 | spw1_dout : OUT STD_LOGIC; | |||
|
75 | spw1_sout : OUT STD_LOGIC; | |||
|
76 | spw2_din : IN STD_LOGIC; | |||
|
77 | spw2_sin : IN STD_LOGIC; | |||
|
78 | spw2_dout : OUT STD_LOGIC; | |||
|
79 | spw2_sout : OUT STD_LOGIC; | |||
|
80 | -- ADC -------------------------------------------------------------------- | |||
|
81 | bias_fail_sw : OUT STD_LOGIC; | |||
|
82 | ADC_OEB_bar_CH : OUT STD_LOGIC_VECTOR(7 DOWNTO 0); | |||
|
83 | ADC_smpclk : OUT STD_LOGIC; | |||
|
84 | ADC_data : IN STD_LOGIC_VECTOR(13 DOWNTO 0); | |||
|
85 | -- DAC -------------------------------------------------------------------- | |||
|
86 | DAC_SDO : OUT STD_LOGIC; | |||
|
87 | DAC_SCK : OUT STD_LOGIC; | |||
|
88 | DAC_SYNC : OUT STD_LOGIC; | |||
|
89 | DAC_CAL_EN : OUT STD_LOGIC; | |||
|
90 | -- HK --------------------------------------------------------------------- | |||
|
91 | HK_smpclk : OUT STD_LOGIC; | |||
|
92 | ADC_OEB_bar_HK : OUT STD_LOGIC; | |||
|
93 | HK_SEL : OUT STD_LOGIC_VECTOR(1 DOWNTO 0); | |||
|
94 | --------------------------------------------------------------------------- | |||
|
95 | TAG8 : OUT STD_LOGIC; | |||
|
96 | led : OUT STD_LOGIC_VECTOR(2 DOWNTO 0) | |||
|
97 | ); | |||
|
98 | ||||
|
99 | END LFR_em; | |||
|
100 | ||||
|
101 | ||||
|
102 | ARCHITECTURE beh OF LFR_em IS | |||
|
103 | ||||
|
104 | --========================================================================== | |||
|
105 | -- USE_IAP_MEMCTRL allow to use the srctrle-0ws on MINILFR board | |||
|
106 | -- when enabled, chip enable polarity should be reversed and bank size also | |||
|
107 | -- MINILFR -> 1 bank of 4MBytes -> SRBANKSZ=9 | |||
|
108 | -- LFR EQM & FM -> 2 banks of 2MBytes -> SRBANKSZ=8 | |||
|
109 | --========================================================================== | |||
|
110 | CONSTANT USE_IAP_MEMCTRL : integer := 1; | |||
|
111 | --========================================================================== | |||
|
112 | ||||
|
113 | SIGNAL clk_50_s : STD_LOGIC := '0'; | |||
|
114 | SIGNAL clk_25 : STD_LOGIC := '0'; | |||
|
115 | SIGNAL clk_24 : STD_LOGIC := '0'; | |||
|
116 | ----------------------------------------------------------------------------- | |||
|
117 | SIGNAL coarse_time : STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
|
118 | SIGNAL fine_time : STD_LOGIC_VECTOR(15 DOWNTO 0); | |||
|
119 | ||||
|
120 | -- CONSTANTS | |||
|
121 | CONSTANT CFG_PADTECH : INTEGER := inferred; | |||
|
122 | CONSTANT NB_APB_SLAVE : INTEGER := 11; -- 3 = grspw + waveform picker + time manager, 11 allows pindex = f | |||
|
123 | CONSTANT NB_AHB_SLAVE : INTEGER := 1; | |||
|
124 | CONSTANT NB_AHB_MASTER : INTEGER := 2; -- 2 = grspw + waveform picker | |||
|
125 | ||||
|
126 | SIGNAL apbi_ext : apb_slv_in_type; | |||
|
127 | SIGNAL apbo_ext : soc_apb_slv_out_vector(NB_APB_SLAVE-1+5 DOWNTO 5) := (OTHERS => apb_none); | |||
|
128 | SIGNAL ahbi_s_ext : ahb_slv_in_type; | |||
|
129 | SIGNAL ahbo_s_ext : soc_ahb_slv_out_vector(NB_AHB_SLAVE-1+3 DOWNTO 3) := (OTHERS => ahbs_none); | |||
|
130 | SIGNAL ahbi_m_ext : AHB_Mst_In_Type; | |||
|
131 | SIGNAL ahbo_m_ext : soc_ahb_mst_out_vector(NB_AHB_MASTER-1+1 DOWNTO 1) := (OTHERS => ahbm_none); | |||
|
132 | ||||
|
133 | -- Spacewire signals | |||
|
134 | SIGNAL dtmp : STD_LOGIC_VECTOR(1 DOWNTO 0); | |||
|
135 | SIGNAL stmp : STD_LOGIC_VECTOR(1 DOWNTO 0); | |||
|
136 | SIGNAL spw_rxclk : STD_LOGIC_VECTOR(1 DOWNTO 0); | |||
|
137 | SIGNAL spw_rxtxclk : STD_ULOGIC; | |||
|
138 | SIGNAL spw_rxclkn : STD_ULOGIC; | |||
|
139 | SIGNAL spw_clk : STD_LOGIC; | |||
|
140 | SIGNAL swni : grspw_in_type; | |||
|
141 | SIGNAL swno : grspw_out_type; | |||
|
142 | ||||
|
143 | --GPIO | |||
|
144 | SIGNAL gpioi : gpio_in_type; | |||
|
145 | SIGNAL gpioo : gpio_out_type; | |||
|
146 | ||||
|
147 | -- AD Converter ADS7886 | |||
|
148 | SIGNAL sample : Samples14v(8 DOWNTO 0); | |||
|
149 | SIGNAL sample_s : Samples(8 DOWNTO 0); | |||
|
150 | SIGNAL sample_val : STD_LOGIC; | |||
|
151 | SIGNAL ADC_OEB_bar_CH_s : STD_LOGIC_VECTOR(8 DOWNTO 0); | |||
|
152 | ||||
|
153 | ----------------------------------------------------------------------------- | |||
|
154 | SIGNAL observation_reg : STD_LOGIC_VECTOR(31 DOWNTO 0); | |||
|
155 | ||||
|
156 | ----------------------------------------------------------------------------- | |||
|
157 | SIGNAL rstn_25 : STD_LOGIC; | |||
|
158 | SIGNAL rstn_24 : STD_LOGIC; | |||
|
159 | ||||
|
160 | SIGNAL LFR_soft_rstn : STD_LOGIC; | |||
|
161 | SIGNAL LFR_rstn : STD_LOGIC; | |||
|
162 | ||||
|
163 | SIGNAL ADC_smpclk_s : STD_LOGIC; | |||
|
164 | ---------------------------------------------------------------------------- | |||
|
165 | SIGNAL nSRAM_CE_s : STD_LOGIC_VECTOR(1 DOWNTO 0); | |||
|
166 | SIGNAL nSRAM_READY : STD_LOGIC; | |||
|
167 | ||||
|
168 | BEGIN -- beh | |||
|
169 | ||||
|
170 | ----------------------------------------------------------------------------- | |||
|
171 | -- CLK | |||
|
172 | ----------------------------------------------------------------------------- | |||
|
173 | rst_domain25 : rstgen PORT MAP (reset, clk_25, '1', rstn_25, OPEN); | |||
|
174 | rst_domain24 : rstgen PORT MAP (reset, clk_24, '1', rstn_24, OPEN); | |||
|
175 | ||||
|
176 | PROCESS(clk100MHz) | |||
|
177 | BEGIN | |||
|
178 | IF clk100MHz'EVENT AND clk100MHz = '1' THEN | |||
|
179 | clk_50_s <= NOT clk_50_s; | |||
|
180 | END IF; | |||
|
181 | END PROCESS; | |||
|
182 | ||||
|
183 | PROCESS(clk_50_s) | |||
|
184 | BEGIN | |||
|
185 | IF clk_50_s'EVENT AND clk_50_s = '1' THEN | |||
|
186 | clk_25 <= NOT clk_25; | |||
|
187 | END IF; | |||
|
188 | END PROCESS; | |||
|
189 | ||||
|
190 | PROCESS(clk49_152MHz) | |||
|
191 | BEGIN | |||
|
192 | IF clk49_152MHz'EVENT AND clk49_152MHz = '1' THEN | |||
|
193 | clk_24 <= NOT clk_24; | |||
|
194 | END IF; | |||
|
195 | END PROCESS; | |||
|
196 | ||||
|
197 | ----------------------------------------------------------------------------- | |||
|
198 | ||||
|
199 | PROCESS (clk_25, rstn_25) | |||
|
200 | BEGIN -- PROCESS | |||
|
201 | IF rstn_25 = '0' THEN -- asynchronous reset (active low) | |||
|
202 | led(0) <= '0'; | |||
|
203 | led(1) <= '0'; | |||
|
204 | led(2) <= '0'; | |||
|
205 | ELSIF clk_25'EVENT AND clk_25 = '1' THEN -- rising clock edge | |||
|
206 | led(0) <= '0'; | |||
|
207 | led(1) <= '1'; | |||
|
208 | led(2) <= '1'; | |||
|
209 | END IF; | |||
|
210 | END PROCESS; | |||
|
211 | ||||
|
212 | -- | |||
|
213 | leon3_soc_1 : leon3_soc | |||
|
214 | GENERIC MAP ( | |||
|
215 | fabtech => apa3e, | |||
|
216 | memtech => apa3e, | |||
|
217 | padtech => inferred, | |||
|
218 | clktech => inferred, | |||
|
219 | disas => 0, | |||
|
220 | dbguart => 0, | |||
|
221 | pclow => 2, | |||
|
222 | clk_freq => 25000, | |||
|
223 | IS_RADHARD => 0, | |||
|
224 | NB_CPU => 1, | |||
|
225 | ENABLE_FPU => 1, | |||
|
226 | FPU_NETLIST => 0, | |||
|
227 | ENABLE_DSU => 1, | |||
|
228 | ENABLE_AHB_UART => 0, | |||
|
229 | ENABLE_APB_UART => 1, | |||
|
230 | ENABLE_IRQMP => 1, | |||
|
231 | ENABLE_GPT => 1, | |||
|
232 | NB_AHB_MASTER => NB_AHB_MASTER, | |||
|
233 | NB_AHB_SLAVE => NB_AHB_SLAVE, | |||
|
234 | NB_APB_SLAVE => NB_APB_SLAVE, | |||
|
235 | ADDRESS_SIZE => 20, | |||
|
236 | USES_IAP_MEMCTRLR => USE_IAP_MEMCTRL, | |||
|
237 | BYPASS_EDAC_MEMCTRLR => '0', | |||
|
238 | SRBANKSZ => 9, | |||
|
239 | SLOW_TIMING_EMULATION => 0 | |||
|
240 | ) | |||
|
241 | PORT MAP ( | |||
|
242 | clk => clk_25, | |||
|
243 | reset => rstn_25, | |||
|
244 | errorn => OPEN, | |||
|
245 | ||||
|
246 | ahbrxd => OPEN, | |||
|
247 | ahbtxd => OPEN, | |||
|
248 | urxd1 => TAG2, | |||
|
249 | utxd1 => TAG4, | |||
|
250 | ||||
|
251 | address => address, | |||
|
252 | data => data, | |||
|
253 | nSRAM_BE0 => nSRAM_BE0, | |||
|
254 | nSRAM_BE1 => nSRAM_BE1, | |||
|
255 | nSRAM_BE2 => nSRAM_BE2, | |||
|
256 | nSRAM_BE3 => nSRAM_BE3, | |||
|
257 | nSRAM_WE => nSRAM_WE, | |||
|
258 | nSRAM_CE => nSRAM_CE_s, | |||
|
259 | nSRAM_OE => nSRAM_OE, | |||
|
260 | nSRAM_READY => nSRAM_READY, | |||
|
261 | SRAM_MBE => OPEN, | |||
|
262 | ||||
|
263 | apbi_ext => apbi_ext, | |||
|
264 | apbo_ext => apbo_ext, | |||
|
265 | ahbi_s_ext => ahbi_s_ext, | |||
|
266 | ahbo_s_ext => ahbo_s_ext, | |||
|
267 | ahbi_m_ext => ahbi_m_ext, | |||
|
268 | ahbo_m_ext => ahbo_m_ext); | |||
|
269 | ||||
|
270 | PROCESS (clk_25, rstn_25) | |||
|
271 | BEGIN -- PROCESS | |||
|
272 | IF rstn_25 = '0' THEN -- asynchronous reset (active low) | |||
|
273 | nSRAM_READY <= '1'; | |||
|
274 | ELSIF clk_25'event AND clk_25 = '1' THEN -- rising clock edge | |||
|
275 | nSRAM_READY <= '1'; | |||
|
276 | END IF; | |||
|
277 | END PROCESS; | |||
|
278 | ||||
|
279 | IAP:if USE_IAP_MEMCTRL = 1 GENERATE | |||
|
280 | nSRAM_CE <= not nSRAM_CE_s(0); | |||
|
281 | END GENERATE; | |||
|
282 | ||||
|
283 | NOIAP:if USE_IAP_MEMCTRL = 0 GENERATE | |||
|
284 | nSRAM_CE <= nSRAM_CE_s(0); | |||
|
285 | END GENERATE; | |||
|
286 | ||||
|
287 | ------------------------------------------------------------------------------- | |||
|
288 | -- APB_LFR_TIME_MANAGEMENT ---------------------------------------------------- | |||
|
289 | ------------------------------------------------------------------------------- | |||
|
290 | apb_lfr_management_1 : apb_lfr_management | |||
|
291 | GENERIC MAP ( | |||
|
292 | tech => apa3e, | |||
|
293 | pindex => 6, | |||
|
294 | paddr => 6, | |||
|
295 | pmask => 16#fff#, | |||
|
296 | -- FIRST_DIVISION => 374, -- ((49.152/2) /2^16) - 1 = 375 - 1 = 374 | |||
|
297 | NB_SECOND_DESYNC => 60) -- 60 secondes of desynchronization before CoarseTime's MSB is Set | |||
|
298 | PORT MAP ( | |||
|
299 | clk25MHz => clk_25, | |||
|
300 | resetn_25MHz => rstn_25, -- TODO | |||
|
301 | -- clk24_576MHz => clk_24, -- 49.152MHz/2 | |||
|
302 | -- resetn_24_576MHz => rstn_24, -- TODO | |||
|
303 | ||||
|
304 | grspw_tick => swno.tickout, | |||
|
305 | apbi => apbi_ext, | |||
|
306 | apbo => apbo_ext(6), | |||
|
307 | ||||
|
308 | HK_sample => sample_s(8), | |||
|
309 | HK_val => sample_val, | |||
|
310 | HK_sel => HK_SEL, | |||
|
311 | ||||
|
312 | DAC_SDO => DAC_SDO, | |||
|
313 | DAC_SCK => DAC_SCK, | |||
|
314 | DAC_SYNC => DAC_SYNC, | |||
|
315 | DAC_CAL_EN => DAC_CAL_EN, | |||
|
316 | ||||
|
317 | coarse_time => coarse_time, | |||
|
318 | fine_time => fine_time, | |||
|
319 | LFR_soft_rstn => LFR_soft_rstn | |||
|
320 | ); | |||
|
321 | ||||
|
322 | ----------------------------------------------------------------------- | |||
|
323 | --- SpaceWire -------------------------------------------------------- | |||
|
324 | ----------------------------------------------------------------------- | |||
|
325 | ||||
|
326 | -- SPW_EN <= '1'; | |||
|
327 | ||||
|
328 | spw_clk <= clk_50_s; | |||
|
329 | spw_rxtxclk <= spw_clk; | |||
|
330 | spw_rxclkn <= NOT spw_rxtxclk; | |||
|
331 | ||||
|
332 | -- PADS for SPW1 | |||
|
333 | spw1_rxd_pad : inpad GENERIC MAP (tech => inferred) | |||
|
334 | PORT MAP (spw1_din, dtmp(0)); | |||
|
335 | spw1_rxs_pad : inpad GENERIC MAP (tech => inferred) | |||
|
336 | PORT MAP (spw1_sin, stmp(0)); | |||
|
337 | spw1_txd_pad : outpad GENERIC MAP (tech => inferred) | |||
|
338 | PORT MAP (spw1_dout, swno.d(0)); | |||
|
339 | spw1_txs_pad : outpad GENERIC MAP (tech => inferred) | |||
|
340 | PORT MAP (spw1_sout, swno.s(0)); | |||
|
341 | -- PADS FOR SPW2 | |||
|
342 | spw2_rxd_pad : inpad GENERIC MAP (tech => inferred) -- bad naming of the MINI-LFR /!\ | |||
|
343 | PORT MAP (spw2_din, dtmp(1)); | |||
|
344 | spw2_rxs_pad : inpad GENERIC MAP (tech => inferred) -- bad naming of the MINI-LFR /!\ | |||
|
345 | PORT MAP (spw2_sin, stmp(1)); | |||
|
346 | spw2_txd_pad : outpad GENERIC MAP (tech => inferred) | |||
|
347 | PORT MAP (spw2_dout, swno.d(1)); | |||
|
348 | spw2_txs_pad : outpad GENERIC MAP (tech => inferred) | |||
|
349 | PORT MAP (spw2_sout, swno.s(1)); | |||
|
350 | ||||
|
351 | -- GRSPW PHY | |||
|
352 | --spw1_input: if CFG_SPW_GRSPW = 1 generate | |||
|
353 | spw_inputloop : FOR j IN 0 TO 1 GENERATE | |||
|
354 | spw_phy0 : grspw_phy | |||
|
355 | GENERIC MAP( | |||
|
356 | tech => apa3e, | |||
|
357 | rxclkbuftype => 1, | |||
|
358 | scantest => 0) | |||
|
359 | PORT MAP( | |||
|
360 | rxrst => swno.rxrst, | |||
|
361 | di => dtmp(j), | |||
|
362 | si => stmp(j), | |||
|
363 | rxclko => spw_rxclk(j), | |||
|
364 | do => swni.d(j), | |||
|
365 | ndo => swni.nd(j*5+4 DOWNTO j*5), | |||
|
366 | dconnect => swni.dconnect(j*2+1 DOWNTO j*2)); | |||
|
367 | END GENERATE spw_inputloop; | |||
|
368 | ||||
|
369 | -- SPW core | |||
|
370 | sw0 : grspwm GENERIC MAP( | |||
|
371 | tech => apa3e, | |||
|
372 | hindex => 1, | |||
|
373 | pindex => 5, | |||
|
374 | paddr => 5, | |||
|
375 | pirq => 11, | |||
|
376 | sysfreq => 25000, -- CPU_FREQ | |||
|
377 | rmap => 1, | |||
|
378 | rmapcrc => 1, | |||
|
379 | fifosize1 => 16, | |||
|
380 | fifosize2 => 16, | |||
|
381 | rxclkbuftype => 1, | |||
|
382 | rxunaligned => 0, | |||
|
383 | rmapbufs => 4, | |||
|
384 | ft => 0, | |||
|
385 | netlist => 0, | |||
|
386 | ports => 2, | |||
|
387 | --dmachan => CFG_SPW_DMACHAN, -- not used byt the spw core 1 | |||
|
388 | memtech => apa3e, | |||
|
389 | destkey => 2, | |||
|
390 | spwcore => 1 | |||
|
391 | --input_type => CFG_SPW_INPUT, -- not used byt the spw core 1 | |||
|
392 | --output_type => CFG_SPW_OUTPUT, -- not used byt the spw core 1 | |||
|
393 | --rxtx_sameclk => CFG_SPW_RTSAME -- not used byt the spw core 1 | |||
|
394 | ) | |||
|
395 | PORT MAP(rstn_25, clk_25, spw_rxclk(0), | |||
|
396 | spw_rxclk(1), spw_rxtxclk, spw_rxtxclk, | |||
|
397 | ahbi_m_ext, ahbo_m_ext(1), apbi_ext, apbo_ext(5), | |||
|
398 | swni, swno); | |||
|
399 | ||||
|
400 | swni.tickin <= '0'; | |||
|
401 | swni.rmapen <= '1'; | |||
|
402 | swni.clkdiv10 <= "00000100"; -- 10 MHz / (4 + 1) = 10 MHz | |||
|
403 | swni.tickinraw <= '0'; | |||
|
404 | swni.timein <= (OTHERS => '0'); | |||
|
405 | swni.dcrstval <= (OTHERS => '0'); | |||
|
406 | swni.timerrstval <= (OTHERS => '0'); | |||
|
407 | ||||
|
408 | ------------------------------------------------------------------------------- | |||
|
409 | -- LFR ------------------------------------------------------------------------ | |||
|
410 | ------------------------------------------------------------------------------- | |||
|
411 | LFR_rstn <= LFR_soft_rstn AND rstn_25; | |||
|
412 | ||||
|
413 | lpp_lfr_1 : lpp_lfr | |||
|
414 | GENERIC MAP ( | |||
|
415 | Mem_use => use_RAM, | |||
|
416 | tech => inferred, | |||
|
417 | nb_data_by_buffer_size => 32, | |||
|
418 | --nb_word_by_buffer_size => 30, | |||
|
419 | nb_snapshot_param_size => 32, | |||
|
420 | delta_vector_size => 32, | |||
|
421 | delta_vector_size_f0_2 => 7, -- log2(96) | |||
|
422 | pindex => 15, | |||
|
423 | paddr => 15, | |||
|
424 | pmask => 16#fff#, | |||
|
425 | pirq_ms => 6, | |||
|
426 | pirq_wfp => 14, | |||
|
427 | hindex => 2, | |||
|
428 | top_lfr_version => X"010158", -- aa.bb.cc version | |||
|
429 | -- AA : BOARD NUMBER | |||
|
430 | -- 0 => MINI_LFR | |||
|
431 | -- 1 => EM | |||
|
432 | DEBUG_FORCE_DATA_DMA => 0, | |||
|
433 | RTL_DESIGN_LIGHT => 1, | |||
|
434 | WINDOWS_HAANNING_PARAM_SIZE => 10) | |||
|
435 | PORT MAP ( | |||
|
436 | clk => clk_25, | |||
|
437 | rstn => LFR_rstn, | |||
|
438 | sample_B => sample_s(2 DOWNTO 0), | |||
|
439 | sample_E => sample_s(7 DOWNTO 3), | |||
|
440 | sample_val => sample_val, | |||
|
441 | apbi => apbi_ext, | |||
|
442 | apbo => apbo_ext(15), | |||
|
443 | ahbi => ahbi_m_ext, | |||
|
444 | ahbo => ahbo_m_ext(2), | |||
|
445 | coarse_time => coarse_time, | |||
|
446 | fine_time => fine_time, | |||
|
447 | data_shaping_BW => bias_fail_sw, | |||
|
448 | debug_vector => OPEN, | |||
|
449 | debug_vector_ms => OPEN); --, | |||
|
450 | --observation_vector_0 => OPEN, | |||
|
451 | --observation_vector_1 => OPEN, | |||
|
452 | --observation_reg => observation_reg); | |||
|
453 | ||||
|
454 | ||||
|
455 | all_sample : FOR I IN 7 DOWNTO 0 GENERATE | |||
|
456 | sample_s(I) <= sample(I) & '0' & '0'; | |||
|
457 | END GENERATE all_sample; | |||
|
458 | sample_s(8) <= sample(8)(13) & sample(8)(13) & sample(8); | |||
|
459 | ||||
|
460 | ----------------------------------------------------------------------------- | |||
|
461 | -- | |||
|
462 | ----------------------------------------------------------------------------- | |||
|
463 | top_ad_conv_RHF1401_withFilter_1 : top_ad_conv_RHF1401_withFilter | |||
|
464 | GENERIC MAP ( | |||
|
465 | ChanelCount => 9, | |||
|
466 | ncycle_cnv_high => 12, | |||
|
467 | ncycle_cnv => 25, | |||
|
468 | FILTER_ENABLED => 16#FF#) | |||
|
469 | PORT MAP ( | |||
|
470 | cnv_clk => clk_24, | |||
|
471 | cnv_rstn => rstn_24, | |||
|
472 | cnv => ADC_smpclk_s, | |||
|
473 | clk => clk_25, | |||
|
474 | rstn => rstn_25, | |||
|
475 | ADC_data => ADC_data, | |||
|
476 | ADC_nOE => ADC_OEB_bar_CH_s, | |||
|
477 | sample => sample, | |||
|
478 | sample_val => sample_val); | |||
|
479 | ||||
|
480 | ADC_OEB_bar_CH <= ADC_OEB_bar_CH_s(7 DOWNTO 0); | |||
|
481 | ||||
|
482 | ADC_smpclk <= ADC_smpclk_s; | |||
|
483 | HK_smpclk <= ADC_smpclk_s; | |||
|
484 | ||||
|
485 | TAG8 <= ADC_smpclk_s; | |||
|
486 | ||||
|
487 | ----------------------------------------------------------------------------- | |||
|
488 | -- HK | |||
|
489 | ----------------------------------------------------------------------------- | |||
|
490 | ADC_OEB_bar_HK <= ADC_OEB_bar_CH_s(8); | |||
|
491 | ||||
|
492 | END beh; |
@@ -0,0 +1,58 | |||||
|
1 | #GRLIB=../.. | |||
|
2 | VHDLIB=../.. | |||
|
3 | SCRIPTSDIR=$(VHDLIB)/scripts/ | |||
|
4 | GRLIB := $(shell sh $(VHDLIB)/scripts/lpp_relpath.sh) | |||
|
5 | TOP=LFR_em | |||
|
6 | BOARD=em-LeonLPP-A3PE3kL-v3-core1 | |||
|
7 | include $(VHDLIB)/boards/$(BOARD)/Makefile.inc | |||
|
8 | DEVICE=$(PART)-$(PACKAGE)$(SPEED) | |||
|
9 | UCF=$(GRLIB)/boards/$(BOARD)/$(TOP).ucf | |||
|
10 | QSF=$(GRLIB)/boards/$(BOARD)/$(TOP).qsf | |||
|
11 | EFFORT=high | |||
|
12 | XSTOPT= | |||
|
13 | SYNPOPT="set_option -pipe 0; set_option -retiming 0; set_option -write_apr_constraint 0" | |||
|
14 | #VHDLSYNFILES=config.vhd ahbrom.vhd leon3mp.vhd | |||
|
15 | #VHDLSYNFILES=config.vhd leon3mp.vhd | |||
|
16 | VHDLSYNFILES=LFR-em.vhd | |||
|
17 | VHDLSIMFILES=testbench.vhd | |||
|
18 | #SIMTOP=testbench | |||
|
19 | #SDCFILE=$(GRLIB)/boards/$(BOARD)/synplify.sdc | |||
|
20 | #SDC=$(GRLIB)/boards/$(BOARD)/leon3mp.sdc | |||
|
21 | PDC=$(VHDLIB)/boards/$(BOARD)/LFR-em_1.1.85.pdc | |||
|
22 | ||||
|
23 | SDCFILE=$(VHDLIB)/boards/$(BOARD)/LFR-em_1.1.85.sdc | |||
|
24 | SDC=$(VHDLIB)/boards/$(BOARD)/LFR-em_1.1.85.sdc | |||
|
25 | ||||
|
26 | BITGEN=$(VHDLIB)/boards/$(BOARD)/default.ut | |||
|
27 | CLEAN=soft-clean | |||
|
28 | ||||
|
29 | TECHLIBS = proasic3e | |||
|
30 | ||||
|
31 | LIBSKIP = core1553bbc core1553brm core1553brt gr1553 corePCIF \ | |||
|
32 | tmtc openchip hynix ihp gleichmann micron usbhc | |||
|
33 | ||||
|
34 | DIRSKIP = b1553 pcif leon2 leon2ft crypto satcan ddr usb ata i2c \ | |||
|
35 | pci grusbhc haps slink ascs pwm coremp7 spi ac97 \ | |||
|
36 | ./amba_lcd_16x2_ctrlr \ | |||
|
37 | ./general_purpose/lpp_AMR \ | |||
|
38 | ./general_purpose/lpp_balise \ | |||
|
39 | ./general_purpose/lpp_delay \ | |||
|
40 | ./lpp_bootloader \ | |||
|
41 | ./dsp/lpp_fft_rtax \ | |||
|
42 | ./lpp_uart \ | |||
|
43 | ./lpp_usb \ | |||
|
44 | ./lpp_sim/CY7C1061DV33 \ | |||
|
45 | ||||
|
46 | FILESKIP = i2cmst.vhd \ | |||
|
47 | APB_MULTI_DIODE.vhd \ | |||
|
48 | APB_MULTI_DIODE.vhd \ | |||
|
49 | Top_MatrixSpec.vhd \ | |||
|
50 | APB_FFT.vhd\ | |||
|
51 | CoreFFT_simu.vhd \ | |||
|
52 | lpp_lfr_apbreg_simu.vhd | |||
|
53 | ||||
|
54 | include $(GRLIB)/bin/Makefile | |||
|
55 | include $(GRLIB)/software/leon3/Makefile | |||
|
56 | ||||
|
57 | ################## project specific targets ########################## | |||
|
58 |
@@ -1,223 +1,233 | |||||
1 |
|
1 | |||
2 | LIBRARY IEEE; |
|
2 | LIBRARY IEEE; | |
3 | USE IEEE.STD_LOGIC_1164.ALL; |
|
3 | USE IEEE.STD_LOGIC_1164.ALL; | |
4 | USE IEEE.numeric_std.ALL; |
|
4 | USE IEEE.numeric_std.ALL; | |
5 | LIBRARY lpp; |
|
5 | LIBRARY lpp; | |
6 | USE lpp.lpp_ad_conv.ALL; |
|
6 | USE lpp.lpp_ad_conv.ALL; | |
7 | USE lpp.general_purpose.SYNC_FF; |
|
7 | USE lpp.general_purpose.SYNC_FF; | |
8 |
|
8 | |||
9 | ENTITY top_ad_conv_RHF1401_withFilter IS |
|
9 | ENTITY top_ad_conv_RHF1401_withFilter IS | |
10 | GENERIC( |
|
10 | GENERIC( | |
11 | ChanelCount : INTEGER := 8; |
|
11 | ChanelCount : INTEGER := 8; | |
12 | ncycle_cnv_high : INTEGER := 13; |
|
12 | ncycle_cnv_high : INTEGER := 13; | |
13 | ncycle_cnv : INTEGER := 25; |
|
13 | ncycle_cnv : INTEGER := 25; | |
14 | FILTER_ENABLED : INTEGER := 16#FF# |
|
14 | FILTER_ENABLED : INTEGER := 16#FF# | |
15 | ); |
|
15 | ); | |
16 | PORT ( |
|
16 | PORT ( | |
17 | cnv_clk : IN STD_LOGIC; -- 24Mhz |
|
17 | cnv_clk : IN STD_LOGIC; -- 24Mhz | |
18 | cnv_rstn : IN STD_LOGIC; |
|
18 | cnv_rstn : IN STD_LOGIC; | |
19 |
|
19 | |||
20 | cnv : OUT STD_LOGIC; |
|
20 | cnv : OUT STD_LOGIC; | |
21 |
|
21 | |||
22 | clk : IN STD_LOGIC; -- 25MHz |
|
22 | clk : IN STD_LOGIC; -- 25MHz | |
23 | rstn : IN STD_LOGIC; |
|
23 | rstn : IN STD_LOGIC; | |
24 | ADC_data : IN Samples14; |
|
24 | ADC_data : IN Samples14; | |
25 | ADC_nOE : OUT STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0); |
|
25 | ADC_nOE : OUT STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0); | |
26 | sample : OUT Samples14v(ChanelCount-1 DOWNTO 0); |
|
26 | sample : OUT Samples14v(ChanelCount-1 DOWNTO 0); | |
27 | sample_val : OUT STD_LOGIC |
|
27 | sample_val : OUT STD_LOGIC | |
28 | ); |
|
28 | ); | |
29 | END top_ad_conv_RHF1401_withFilter; |
|
29 | END top_ad_conv_RHF1401_withFilter; | |
30 |
|
30 | |||
31 | ARCHITECTURE ar_top_ad_conv_RHF1401 OF top_ad_conv_RHF1401_withFilter IS |
|
31 | ARCHITECTURE ar_top_ad_conv_RHF1401 OF top_ad_conv_RHF1401_withFilter IS | |
32 |
|
32 | |||
33 | ----------------------------------------------------------------------------- |
|
33 | ----------------------------------------------------------------------------- | |
34 | -- CNV GEN |
|
34 | -- CNV GEN | |
35 | ----------------------------------------------------------------------------- |
|
35 | ----------------------------------------------------------------------------- | |
36 | SIGNAL cnv_cycle_counter : INTEGER RANGE 0 TO ncycle_cnv-1; |
|
36 | SIGNAL cnv_cycle_counter : INTEGER RANGE 0 TO ncycle_cnv-1; | |
37 | SIGNAL cnv_s : STD_LOGIC; |
|
37 | SIGNAL cnv_s : STD_LOGIC; | |
38 | SIGNAL cnv_s_reg : STD_LOGIC; |
|
38 | SIGNAL cnv_s_reg : STD_LOGIC; | |
39 |
|
39 | |||
40 | ----------------------------------------------------------------------------- |
|
40 | ----------------------------------------------------------------------------- | |
41 | -- SYNC CNV |
|
41 | -- SYNC CNV | |
42 | ----------------------------------------------------------------------------- |
|
42 | ----------------------------------------------------------------------------- | |
43 | SIGNAL cnv_sync : STD_LOGIC; |
|
43 | SIGNAL cnv_sync : STD_LOGIC; | |
44 | SIGNAL cnv_sync_pre : STD_LOGIC; |
|
44 | SIGNAL cnv_sync_pre : STD_LOGIC; | |
45 | SIGNAL cnv_sync_falling_edge : STD_LOGIC; |
|
45 | SIGNAL cnv_sync_falling_edge : STD_LOGIC; | |
46 |
|
46 | |||
47 | ----------------------------------------------------------------------------- |
|
47 | ----------------------------------------------------------------------------- | |
48 | -- DATA Read and Data Output Enable |
|
48 | -- DATA Read and Data Output Enable | |
49 | ----------------------------------------------------------------------------- |
|
49 | ----------------------------------------------------------------------------- | |
50 | CONSTANT MAX_CHANNEL_COUNTER : INTEGER := (ChanelCount-1)*2 + 5; |
|
50 | CONSTANT MAX_CHANNEL_COUNTER : INTEGER := (ChanelCount-1)*2 + 5; | |
51 | SIGNAL channel_counter : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; |
|
51 | SIGNAL channel_counter : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; | |
52 | SIGNAL channel_counter_r : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; |
|
52 | SIGNAL channel_counter_r : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; | |
53 | SIGNAL channel_counter_r2 : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; |
|
53 | SIGNAL channel_counter_r2 : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; | |
54 | SIGNAL channel_counter_d1 : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; |
|
54 | SIGNAL channel_counter_d1 : INTEGER RANGE 0 TO MAX_CHANNEL_COUNTER; | |
55 |
|
55 | |||
56 | SIGNAL channel_sel_n : STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0); |
|
56 | SIGNAL channel_sel_n : STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0); | |
57 |
|
57 | |||
58 | SIGNAL sample_reg : Samples14v(ChanelCount-1 DOWNTO 0); |
|
58 | SIGNAL sample_reg : Samples14v(ChanelCount-1 DOWNTO 0); | |
59 | SIGNAL ADC_data_d1 : Samples14; |
|
59 | SIGNAL ADC_data_d1 : Samples14; | |
60 | SIGNAL ADC_data_selected : Samples14; |
|
60 | SIGNAL ADC_data_selected : Samples14; | |
61 | SIGNAL ADC_data_result : Samples15; |
|
61 | SIGNAL ADC_data_result : Samples15; | |
|
62 | ||||
|
63 | CONSTANT SAMPLE_FREQ_DIV_FACTOR : INTEGER := 10; | |||
|
64 | SIGNAL sample_val_counter : INTEGER RANGE 0 TO SAMPLE_FREQ_DIV_FACTOR; | |||
62 |
|
65 | |||
63 |
|
66 | |||
64 | CONSTANT FILTER_ENABLED_STDLOGIC : STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0) := STD_LOGIC_VECTOR(to_unsigned(FILTER_ENABLED, ChanelCount)); |
|
67 | CONSTANT FILTER_ENABLED_STDLOGIC : STD_LOGIC_VECTOR(ChanelCount-1 DOWNTO 0) := STD_LOGIC_VECTOR(to_unsigned(FILTER_ENABLED, ChanelCount)); | |
65 |
|
68 | |||
66 | BEGIN |
|
69 | BEGIN | |
67 |
|
70 | |||
68 |
|
71 | |||
69 | ----------------------------------------------------------------------------- |
|
72 | ----------------------------------------------------------------------------- | |
70 | -- CNV GEN |
|
73 | -- CNV GEN | |
71 | ----------------------------------------------------------------------------- |
|
74 | ----------------------------------------------------------------------------- | |
72 | PROCESS (cnv_clk, cnv_rstn) |
|
75 | PROCESS (cnv_clk, cnv_rstn) | |
73 | BEGIN -- PROCESS |
|
76 | BEGIN -- PROCESS | |
74 | IF cnv_rstn = '0' THEN -- asynchronous reset (active low) |
|
77 | IF cnv_rstn = '0' THEN -- asynchronous reset (active low) | |
75 | cnv_cycle_counter <= 0; |
|
78 | cnv_cycle_counter <= 0; | |
76 | cnv_s <= '0'; |
|
79 | cnv_s <= '0'; | |
77 | ELSIF cnv_clk'EVENT AND cnv_clk = '1' THEN -- rising clock edge |
|
80 | ELSIF cnv_clk'EVENT AND cnv_clk = '1' THEN -- rising clock edge | |
78 | IF cnv_cycle_counter < ncycle_cnv-1 THEN |
|
81 | IF cnv_cycle_counter < ncycle_cnv-1 THEN | |
79 | cnv_cycle_counter <= cnv_cycle_counter + 1; |
|
82 | cnv_cycle_counter <= cnv_cycle_counter + 1; | |
80 | IF cnv_cycle_counter < ncycle_cnv_high THEN |
|
83 | IF cnv_cycle_counter < ncycle_cnv_high THEN | |
81 | cnv_s <= '1'; |
|
84 | cnv_s <= '1'; | |
82 | ELSE |
|
85 | ELSE | |
83 | cnv_s <= '0'; |
|
86 | cnv_s <= '0'; | |
84 | END IF; |
|
87 | END IF; | |
85 | ELSE |
|
88 | ELSE | |
86 | cnv_s <= '1'; |
|
89 | cnv_s <= '1'; | |
87 | cnv_cycle_counter <= 0; |
|
90 | cnv_cycle_counter <= 0; | |
88 | END IF; |
|
91 | END IF; | |
89 | END IF; |
|
92 | END IF; | |
90 | END PROCESS; |
|
93 | END PROCESS; | |
91 |
|
94 | |||
92 | cnv <= cnv_s; |
|
95 | cnv <= cnv_s; | |
93 |
|
96 | |||
94 | PROCESS (cnv_clk, cnv_rstn) |
|
97 | PROCESS (cnv_clk, cnv_rstn) | |
95 | BEGIN -- PROCESS |
|
98 | BEGIN -- PROCESS | |
96 | IF cnv_rstn = '0' THEN -- asynchronous reset (active low) |
|
99 | IF cnv_rstn = '0' THEN -- asynchronous reset (active low) | |
97 | cnv_s_reg <= '0'; |
|
100 | cnv_s_reg <= '0'; | |
98 | ELSIF cnv_clk'EVENT AND cnv_clk = '1' THEN -- rising clock edge |
|
101 | ELSIF cnv_clk'EVENT AND cnv_clk = '1' THEN -- rising clock edge | |
99 | cnv_s_reg <= cnv_s; |
|
102 | cnv_s_reg <= cnv_s; | |
100 | END IF; |
|
103 | END IF; | |
101 | END PROCESS; |
|
104 | END PROCESS; | |
102 |
|
105 | |||
103 |
|
106 | |||
104 | ----------------------------------------------------------------------------- |
|
107 | ----------------------------------------------------------------------------- | |
105 | -- SYNC CNV |
|
108 | -- SYNC CNV | |
106 | ----------------------------------------------------------------------------- |
|
109 | ----------------------------------------------------------------------------- | |
107 |
|
110 | |||
108 | SYNC_FF_cnv : SYNC_FF |
|
111 | SYNC_FF_cnv : SYNC_FF | |
109 | GENERIC MAP ( |
|
112 | GENERIC MAP ( | |
110 | NB_FF_OF_SYNC => 2) |
|
113 | NB_FF_OF_SYNC => 2) | |
111 | PORT MAP ( |
|
114 | PORT MAP ( | |
112 | clk => clk, |
|
115 | clk => clk, | |
113 | rstn => rstn, |
|
116 | rstn => rstn, | |
114 | A => cnv_s_reg, |
|
117 | A => cnv_s_reg, | |
115 | A_sync => cnv_sync); |
|
118 | A_sync => cnv_sync); | |
116 |
|
119 | |||
117 | PROCESS (clk, rstn) |
|
120 | PROCESS (clk, rstn) | |
118 | BEGIN -- PROCESS |
|
121 | BEGIN -- PROCESS | |
119 | IF rstn = '0' THEN -- asynchronous reset (active low) |
|
122 | IF rstn = '0' THEN -- asynchronous reset (active low) | |
120 | cnv_sync_pre <= '0'; |
|
123 | cnv_sync_pre <= '0'; | |
121 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge |
|
124 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge | |
122 | cnv_sync_pre <= cnv_sync; |
|
125 | cnv_sync_pre <= cnv_sync; | |
123 | END IF; |
|
126 | END IF; | |
124 | END PROCESS; |
|
127 | END PROCESS; | |
125 |
|
128 | |||
126 | cnv_sync_falling_edge <= '1' WHEN cnv_sync = '0' AND cnv_sync_pre = '1' ELSE '0'; |
|
129 | cnv_sync_falling_edge <= '1' WHEN cnv_sync = '0' AND cnv_sync_pre = '1' ELSE '0'; | |
127 |
|
130 | |||
128 |
|
131 | |||
129 | ----------------------------------------------------------------------------- |
|
132 | ----------------------------------------------------------------------------- | |
130 | -- DATA Read and Data Output Enable |
|
133 | -- DATA Read and Data Output Enable | |
131 | ----------------------------------------------------------------------------- |
|
134 | ----------------------------------------------------------------------------- | |
132 |
|
135 | |||
133 | PROCESS (clk, rstn) |
|
136 | PROCESS (clk, rstn) | |
134 | BEGIN -- PROCESS |
|
137 | BEGIN -- PROCESS | |
135 | IF rstn = '0' THEN -- asynchronous reset (active low) |
|
138 | IF rstn = '0' THEN -- asynchronous reset (active low) | |
136 | channel_counter <= MAX_CHANNEL_COUNTER; |
|
139 | channel_counter <= MAX_CHANNEL_COUNTER; | |
137 | sample_val <= '0'; |
|
140 | sample_val <= '0'; | |
|
141 | sample_val_counter <= 0; | |||
138 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge |
|
142 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge | |
139 | IF cnv_sync_falling_edge = '1' THEN |
|
143 | IF cnv_sync_falling_edge = '1' THEN | |
140 | channel_counter <= 0; |
|
144 | channel_counter <= 0; | |
141 | ELSE |
|
145 | ELSE | |
142 | IF channel_counter < MAX_CHANNEL_COUNTER THEN |
|
146 | IF channel_counter < MAX_CHANNEL_COUNTER THEN | |
143 | channel_counter <= channel_counter + 1; |
|
147 | channel_counter <= channel_counter + 1; | |
144 | END IF; |
|
148 | END IF; | |
145 | END IF; |
|
149 | END IF; | |
146 |
|
150 | |||
147 | IF channel_counter = MAX_CHANNEL_COUNTER-1 THEN |
|
151 | IF channel_counter = MAX_CHANNEL_COUNTER-1 THEN | |
148 | sample_val <= '1'; |
|
152 | IF sample_val_counter = SAMPLE_FREQ_DIV_FACTOR-1 THEN | |
|
153 | sample_val_counter <= 0; | |||
|
154 | sample_val <= '1'; | |||
|
155 | ELSE | |||
|
156 | sample_val_counter <= sample_val_counter +1; | |||
|
157 | sample_val <= '0'; | |||
|
158 | END IF; | |||
149 |
|
|
159 | ELSE | |
150 | sample_val <= '0'; |
|
160 | sample_val <= '0'; | |
151 | END IF; |
|
161 | END IF; | |
152 | END IF; |
|
162 | END IF; | |
153 | END PROCESS; |
|
163 | END PROCESS; | |
154 |
|
164 | |||
155 | all_channel: FOR I IN 0 TO ChanelCount-1 GENERATE |
|
165 | all_channel: FOR I IN 0 TO ChanelCount-1 GENERATE | |
156 | channel_sel_n(I) <= '0' WHEN channel_counter = 2*I ELSE '1'; |
|
166 | channel_sel_n(I) <= '0' WHEN channel_counter = 2*I ELSE '1'; | |
157 |
|
167 | |||
158 | PROCESS (clk, rstn) |
|
168 | PROCESS (clk, rstn) | |
159 | BEGIN -- PROCESS |
|
169 | BEGIN -- PROCESS | |
160 | IF rstn = '0' THEN -- asynchronous reset (active low) |
|
170 | IF rstn = '0' THEN -- asynchronous reset (active low) | |
161 | sample_reg(I) <= (OTHERS => '0'); |
|
171 | sample_reg(I) <= (OTHERS => '0'); | |
162 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge |
|
172 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge | |
163 | IF channel_counter_d1 = 2*I THEN |
|
173 | IF channel_counter_d1 = 2*I THEN | |
164 | IF FILTER_ENABLED_STDLOGIC(I) = '1' THEN |
|
174 | IF FILTER_ENABLED_STDLOGIC(I) = '1' THEN | |
165 | sample_reg(I) <= ADC_data_result(14 DOWNTO 1); |
|
175 | sample_reg(I) <= ADC_data_result(14 DOWNTO 1); | |
166 | ELSE |
|
176 | ELSE | |
167 | sample_reg(I) <= ADC_data_d1; |
|
177 | sample_reg(I) <= ADC_data_d1; | |
168 | END IF; |
|
178 | END IF; | |
169 | END IF; |
|
179 | END IF; | |
170 | END IF; |
|
180 | END IF; | |
171 | END PROCESS; |
|
181 | END PROCESS; | |
172 |
|
182 | |||
173 | END GENERATE all_channel; |
|
183 | END GENERATE all_channel; | |
174 |
|
184 | |||
175 | PROCESS (clk, rstn) |
|
185 | PROCESS (clk, rstn) | |
176 | BEGIN -- PROCESS |
|
186 | BEGIN -- PROCESS | |
177 | IF rstn = '0' THEN -- asynchronous reset (active low) |
|
187 | IF rstn = '0' THEN -- asynchronous reset (active low) | |
178 | ADC_nOE <= (OTHERS => '1'); |
|
188 | ADC_nOE <= (OTHERS => '1'); | |
179 | channel_counter_r <= MAX_CHANNEL_COUNTER; |
|
189 | channel_counter_r <= MAX_CHANNEL_COUNTER; | |
180 | channel_counter_r2 <= MAX_CHANNEL_COUNTER; |
|
190 | channel_counter_r2 <= MAX_CHANNEL_COUNTER; | |
181 | channel_counter_d1 <= MAX_CHANNEL_COUNTER; |
|
191 | channel_counter_d1 <= MAX_CHANNEL_COUNTER; | |
182 | ADC_data_d1 <= (OTHERS => '0'); |
|
192 | ADC_data_d1 <= (OTHERS => '0'); | |
183 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge |
|
193 | ELSIF clk'event AND clk = '1' THEN -- rising clock edge | |
184 | ADC_nOE <= channel_sel_n; |
|
194 | ADC_nOE <= channel_sel_n; | |
185 | channel_counter_r <= channel_counter; |
|
195 | channel_counter_r <= channel_counter; | |
186 | channel_counter_r2 <= channel_counter_r; |
|
196 | channel_counter_r2 <= channel_counter_r; | |
187 | channel_counter_d1 <= channel_counter_r2; |
|
197 | channel_counter_d1 <= channel_counter_r2; | |
188 | ADC_data_d1 <= ADC_data; |
|
198 | ADC_data_d1 <= ADC_data; | |
189 | END IF; |
|
199 | END IF; | |
190 | END PROCESS; |
|
200 | END PROCESS; | |
191 |
|
201 | |||
192 | WITH channel_counter_d1 SELECT |
|
202 | WITH channel_counter_d1 SELECT | |
193 | ADC_data_selected <= sample_reg(0) WHEN 0*2, |
|
203 | ADC_data_selected <= sample_reg(0) WHEN 0*2, | |
194 | sample_reg(1) WHEN 1*2, |
|
204 | sample_reg(1) WHEN 1*2, | |
195 | sample_reg(2) WHEN 2*2, |
|
205 | sample_reg(2) WHEN 2*2, | |
196 | sample_reg(3) WHEN 3*2, |
|
206 | sample_reg(3) WHEN 3*2, | |
197 | sample_reg(4) WHEN 4*2, |
|
207 | sample_reg(4) WHEN 4*2, | |
198 | sample_reg(5) WHEN 5*2, |
|
208 | sample_reg(5) WHEN 5*2, | |
199 | sample_reg(6) WHEN 6*2, |
|
209 | sample_reg(6) WHEN 6*2, | |
200 | sample_reg(7) WHEN 7*2, |
|
210 | sample_reg(7) WHEN 7*2, | |
201 | sample_reg(8) WHEN OTHERS; |
|
211 | sample_reg(8) WHEN OTHERS; | |
202 |
|
212 | |||
203 | ADC_data_result <= STD_LOGIC_VECTOR((SIGNED(ADC_data_selected(13) & ADC_data_selected) + SIGNED(ADC_data_d1(13) & ADC_data_d1))); |
|
213 | ADC_data_result <= STD_LOGIC_VECTOR((SIGNED(ADC_data_selected(13) & ADC_data_selected) + SIGNED(ADC_data_d1(13) & ADC_data_d1))); | |
204 |
|
214 | |||
205 | sample <= sample_reg; |
|
215 | sample <= sample_reg; | |
206 |
|
216 | |||
207 |
|
217 | |||
208 |
|
218 | |||
209 | END ar_top_ad_conv_RHF1401; |
|
219 | END ar_top_ad_conv_RHF1401; | |
210 |
|
220 | |||
211 |
|
221 | |||
212 |
|
222 | |||
213 |
|
223 | |||
214 |
|
224 | |||
215 |
|
225 | |||
216 |
|
226 | |||
217 |
|
227 | |||
218 |
|
228 | |||
219 |
|
229 | |||
220 |
|
230 | |||
221 |
|
231 | |||
222 |
|
232 | |||
223 |
|
233 |
General Comments 0
You need to be logged in to leave comments.
Login now