MINI_LFR_top.vhd
580 lines
| 19.1 KiB
| text/x-vhdl
|
VhdlLexer
|
r305 | ------------------------------------------------------------------------------ | ||
-- This file is a part of the LPP VHDL IP LIBRARY | ||||
-- Copyright (C) 2009 - 2010, Laboratory of Plasmas Physic - CNRS | ||||
-- | ||||
-- This program is free software; you can redistribute it and/or modify | ||||
-- it under the terms of the GNU General Public License as published by | ||||
-- the Free Software Foundation; either version 3 of the License, 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 more details. | ||||
-- | ||||
-- You should have received a copy of the GNU General Public License | ||||
-- along with this program; if not, write to the Free Software | ||||
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------- | ||||
-- Author : Jean-christophe Pellion | ||||
-- Mail : jean-christophe.pellion@lpp.polytechnique.fr | ||||
------------------------------------------------------------------------------- | ||||
LIBRARY IEEE; | ||||
USE IEEE.numeric_std.ALL; | ||||
USE IEEE.std_logic_1164.ALL; | ||||
LIBRARY grlib; | ||||
USE grlib.amba.ALL; | ||||
USE grlib.stdlib.ALL; | ||||
LIBRARY techmap; | ||||
USE techmap.gencomp.ALL; | ||||
LIBRARY gaisler; | ||||
USE gaisler.memctrl.ALL; | ||||
USE gaisler.leon3.ALL; | ||||
USE gaisler.uart.ALL; | ||||
USE gaisler.misc.ALL; | ||||
USE gaisler.spacewire.ALL; | ||||
LIBRARY esa; | ||||
USE esa.memoryctrl.ALL; | ||||
LIBRARY lpp; | ||||
USE lpp.lpp_memory.ALL; | ||||
USE lpp.lpp_ad_conv.ALL; | ||||
USE lpp.lpp_lfr_pkg.ALL; -- contains lpp_lfr, not in the 206 rev of the VHD_Lib | ||||
USE lpp.lpp_top_lfr_pkg.ALL; -- contains top_wf_picker | ||||
USE lpp.iir_filter.ALL; | ||||
USE lpp.general_purpose.ALL; | ||||
USE lpp.lpp_lfr_time_management.ALL; | ||||
USE lpp.lpp_leon3_soc_pkg.ALL; | ||||
ENTITY MINI_LFR_top IS | ||||
PORT ( | ||||
clk_50 : IN STD_LOGIC; | ||||
clk_49 : IN STD_LOGIC; | ||||
reset : IN STD_LOGIC; | ||||
--BPs | ||||
BP0 : IN STD_LOGIC; | ||||
BP1 : IN STD_LOGIC; | ||||
--LEDs | ||||
LED0 : OUT STD_LOGIC; | ||||
LED1 : OUT STD_LOGIC; | ||||
LED2 : OUT STD_LOGIC; | ||||
--UARTs | ||||
TXD1 : IN STD_LOGIC; | ||||
RXD1 : OUT STD_LOGIC; | ||||
nCTS1 : OUT STD_LOGIC; | ||||
nRTS1 : IN STD_LOGIC; | ||||
TXD2 : IN STD_LOGIC; | ||||
RXD2 : OUT STD_LOGIC; | ||||
nCTS2 : OUT STD_LOGIC; | ||||
nDTR2 : IN STD_LOGIC; | ||||
nRTS2 : IN STD_LOGIC; | ||||
nDCD2 : OUT STD_LOGIC; | ||||
--EXT CONNECTOR | ||||
IO0 : INOUT STD_LOGIC; | ||||
IO1 : INOUT STD_LOGIC; | ||||
IO2 : INOUT STD_LOGIC; | ||||
IO3 : INOUT STD_LOGIC; | ||||
IO4 : INOUT STD_LOGIC; | ||||
IO5 : INOUT STD_LOGIC; | ||||
IO6 : INOUT STD_LOGIC; | ||||
IO7 : INOUT STD_LOGIC; | ||||
IO8 : INOUT STD_LOGIC; | ||||
IO9 : INOUT STD_LOGIC; | ||||
IO10 : INOUT STD_LOGIC; | ||||
IO11 : INOUT STD_LOGIC; | ||||
--SPACE WIRE | ||||
SPW_EN : OUT STD_LOGIC; -- 0 => off | ||||
SPW_NOM_DIN : IN STD_LOGIC; -- NOMINAL LINK | ||||
SPW_NOM_SIN : IN STD_LOGIC; | ||||
SPW_NOM_DOUT : OUT STD_LOGIC; | ||||
SPW_NOM_SOUT : OUT STD_LOGIC; | ||||
SPW_RED_DIN : IN STD_LOGIC; -- REDUNDANT LINK | ||||
SPW_RED_SIN : IN STD_LOGIC; | ||||
SPW_RED_DOUT : OUT STD_LOGIC; | ||||
SPW_RED_SOUT : OUT STD_LOGIC; | ||||
-- MINI LFR ADC INPUTS | ||||
ADC_nCS : OUT STD_LOGIC; | ||||
ADC_CLK : OUT STD_LOGIC; | ||||
ADC_SDO : IN STD_LOGIC_VECTOR(7 DOWNTO 0); | ||||
-- SRAM | ||||
SRAM_nWE : OUT STD_LOGIC; | ||||
SRAM_CE : OUT STD_LOGIC; | ||||
SRAM_nOE : OUT STD_LOGIC; | ||||
SRAM_nBE : OUT STD_LOGIC_VECTOR(3 DOWNTO 0); | ||||
SRAM_A : OUT STD_LOGIC_VECTOR(19 DOWNTO 0); | ||||
SRAM_DQ : INOUT STD_LOGIC_VECTOR(31 DOWNTO 0) | ||||
); | ||||
END MINI_LFR_top; | ||||
ARCHITECTURE beh OF MINI_LFR_top IS | ||||
SIGNAL clk_50_s : STD_LOGIC := '0'; | ||||
SIGNAL clk_25 : STD_LOGIC := '0'; | ||||
SIGNAL clk_24 : STD_LOGIC := '0'; | ||||
----------------------------------------------------------------------------- | ||||
SIGNAL coarse_time : STD_LOGIC_VECTOR(31 DOWNTO 0); | ||||
SIGNAL fine_time : STD_LOGIC_VECTOR(15 DOWNTO 0); | ||||
-- | ||||
SIGNAL errorn : STD_LOGIC; | ||||
-- UART AHB --------------------------------------------------------------- | ||||
SIGNAL ahbrxd : STD_ULOGIC; -- DSU rx data | ||||
SIGNAL ahbtxd : STD_ULOGIC; -- DSU tx data | ||||
-- UART APB --------------------------------------------------------------- | ||||
SIGNAL urxd1 : STD_ULOGIC; -- UART1 rx data | ||||
SIGNAL utxd1 : STD_ULOGIC; -- UART1 tx data | ||||
-- | ||||
SIGNAL I00_s : STD_LOGIC; | ||||
-- CONSTANTS | ||||
CONSTANT CFG_PADTECH : INTEGER := inferred; | ||||
-- | ||||
CONSTANT NB_APB_SLAVE : INTEGER := 11; -- 3 = grspw + waveform picker + time manager, 11 allows pindex = f | ||||
CONSTANT NB_AHB_SLAVE : INTEGER := 1; | ||||
CONSTANT NB_AHB_MASTER : INTEGER := 2; -- 2 = grspw + waveform picker | ||||
SIGNAL apbi_ext : apb_slv_in_type; | ||||
SIGNAL apbo_ext : soc_apb_slv_out_vector(NB_APB_SLAVE-1+5 DOWNTO 5) := (OTHERS => apb_none); | ||||
SIGNAL ahbi_s_ext : ahb_slv_in_type; | ||||
SIGNAL ahbo_s_ext : soc_ahb_slv_out_vector(NB_AHB_SLAVE-1+3 DOWNTO 3) := (OTHERS => ahbs_none); | ||||
SIGNAL ahbi_m_ext : AHB_Mst_In_Type; | ||||
SIGNAL ahbo_m_ext : soc_ahb_mst_out_vector(NB_AHB_MASTER-1+1 DOWNTO 1) := (OTHERS => ahbm_none); | ||||
-- Spacewire signals | ||||
SIGNAL dtmp : STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
SIGNAL stmp : STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
SIGNAL spw_rxclk : STD_LOGIC_VECTOR(1 DOWNTO 0); | ||||
SIGNAL spw_rxtxclk : STD_ULOGIC; | ||||
SIGNAL spw_rxclkn : STD_ULOGIC; | ||||
SIGNAL spw_clk : STD_LOGIC; | ||||
SIGNAL swni : grspw_in_type; | ||||
SIGNAL swno : grspw_out_type; | ||||
-- SIGNAL clkmn : STD_ULOGIC; | ||||
-- SIGNAL txclk : STD_ULOGIC; | ||||
--GPIO | ||||
SIGNAL gpioi : gpio_in_type; | ||||
SIGNAL gpioo : gpio_out_type; | ||||
-- AD Converter ADS7886 | ||||
SIGNAL sample : Samples14v(7 DOWNTO 0); | ||||
SIGNAL sample_val : STD_LOGIC; | ||||
SIGNAL ADC_nCS_sig : STD_LOGIC; | ||||
SIGNAL ADC_CLK_sig : STD_LOGIC; | ||||
SIGNAL ADC_SDO_sig : STD_LOGIC_VECTOR(7 DOWNTO 0); | ||||
SIGNAL bias_fail_sw_sig : STD_LOGIC; | ||||
|
r313 | |||
SIGNAL observation_reg : STD_LOGIC_VECTOR(31 DOWNTO 0); | ||||
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r305 | ----------------------------------------------------------------------------- | ||
BEGIN -- beh | ||||
----------------------------------------------------------------------------- | ||||
-- CLK | ||||
----------------------------------------------------------------------------- | ||||
PROCESS(clk_50) | ||||
BEGIN | ||||
IF clk_50'EVENT AND clk_50 = '1' THEN | ||||
clk_50_s <= NOT clk_50_s; | ||||
END IF; | ||||
END PROCESS; | ||||
PROCESS(clk_50_s) | ||||
BEGIN | ||||
IF clk_50_s'EVENT AND clk_50_s = '1' THEN | ||||
clk_25 <= NOT clk_25; | ||||
END IF; | ||||
END PROCESS; | ||||
PROCESS(clk_49) | ||||
BEGIN | ||||
IF clk_49'EVENT AND clk_49 = '1' THEN | ||||
clk_24 <= NOT clk_24; | ||||
END IF; | ||||
END PROCESS; | ||||
----------------------------------------------------------------------------- | ||||
PROCESS (clk_25, reset) | ||||
BEGIN -- PROCESS | ||||
IF reset = '0' THEN -- asynchronous reset (active low) | ||||
LED0 <= '0'; | ||||
LED1 <= '0'; | ||||
LED2 <= '0'; | ||||
--IO1 <= '0'; | ||||
--IO2 <= '1'; | ||||
--IO3 <= '0'; | ||||
--IO4 <= '0'; | ||||
--IO5 <= '0'; | ||||
--IO6 <= '0'; | ||||
--IO7 <= '0'; | ||||
--IO8 <= '0'; | ||||
--IO9 <= '0'; | ||||
--IO10 <= '0'; | ||||
--IO11 <= '0'; | ||||
ELSIF clk_25'EVENT AND clk_25 = '1' THEN -- rising clock edge | ||||
LED0 <= '0'; | ||||
LED1 <= '1'; | ||||
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r313 | LED2 <= BP0 OR BP1 OR nDTR2 OR nRTS2 OR nRTS1; | ||
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r305 | --IO1 <= '1'; | ||
--IO2 <= SPW_NOM_DIN OR SPW_NOM_SIN OR SPW_RED_DIN OR SPW_RED_SIN; | ||||
--IO3 <= ADC_SDO(0); | ||||
--IO4 <= ADC_SDO(1); | ||||
--IO5 <= ADC_SDO(2); | ||||
--IO6 <= ADC_SDO(3); | ||||
--IO7 <= ADC_SDO(4); | ||||
--IO8 <= ADC_SDO(5); | ||||
--IO9 <= ADC_SDO(6); | ||||
--IO10 <= ADC_SDO(7); | ||||
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r313 | --IO11 <= BP1 OR nDTR2 OR nRTS2 OR nRTS1; | ||
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r305 | END IF; | ||
END PROCESS; | ||||
PROCESS (clk_24, reset) | ||||
BEGIN -- PROCESS | ||||
IF reset = '0' THEN -- asynchronous reset (active low) | ||||
I00_s <= '0'; | ||||
ELSIF clk_24'EVENT AND clk_24 = '1' THEN -- rising clock edge | ||||
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r313 | I00_s <= NOT I00_s ; | ||
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r305 | END IF; | ||
END PROCESS; | ||||
-- IO0 <= I00_s; | ||||
--UARTs | ||||
nCTS1 <= '1'; | ||||
nCTS2 <= '1'; | ||||
nDCD2 <= '1'; | ||||
--EXT CONNECTOR | ||||
--SPACE WIRE | ||||
leon3_soc_1 : leon3_soc | ||||
GENERIC MAP ( | ||||
fabtech => apa3e, | ||||
memtech => apa3e, | ||||
padtech => inferred, | ||||
clktech => inferred, | ||||
disas => 0, | ||||
dbguart => 0, | ||||
pclow => 2, | ||||
clk_freq => 25000, | ||||
NB_CPU => 1, | ||||
ENABLE_FPU => 1, | ||||
FPU_NETLIST => 0, | ||||
ENABLE_DSU => 1, | ||||
ENABLE_AHB_UART => 1, | ||||
ENABLE_APB_UART => 1, | ||||
ENABLE_IRQMP => 1, | ||||
ENABLE_GPT => 1, | ||||
NB_AHB_MASTER => NB_AHB_MASTER, | ||||
NB_AHB_SLAVE => NB_AHB_SLAVE, | ||||
NB_APB_SLAVE => NB_APB_SLAVE) | ||||
PORT MAP ( | ||||
clk => clk_25, | ||||
reset => reset, | ||||
errorn => errorn, | ||||
ahbrxd => TXD1, | ||||
ahbtxd => RXD1, | ||||
urxd1 => TXD2, | ||||
utxd1 => RXD2, | ||||
address => SRAM_A, | ||||
data => SRAM_DQ, | ||||
nSRAM_BE0 => SRAM_nBE(0), | ||||
nSRAM_BE1 => SRAM_nBE(1), | ||||
nSRAM_BE2 => SRAM_nBE(2), | ||||
nSRAM_BE3 => SRAM_nBE(3), | ||||
nSRAM_WE => SRAM_nWE, | ||||
nSRAM_CE => SRAM_CE, | ||||
nSRAM_OE => SRAM_nOE, | ||||
apbi_ext => apbi_ext, | ||||
apbo_ext => apbo_ext, | ||||
ahbi_s_ext => ahbi_s_ext, | ||||
ahbo_s_ext => ahbo_s_ext, | ||||
ahbi_m_ext => ahbi_m_ext, | ||||
ahbo_m_ext => ahbo_m_ext); | ||||
------------------------------------------------------------------------------- | ||||
-- APB_LFR_TIME_MANAGEMENT ---------------------------------------------------- | ||||
------------------------------------------------------------------------------- | ||||
apb_lfr_time_management_1 : apb_lfr_time_management | ||||
GENERIC MAP ( | ||||
pindex => 6, | ||||
paddr => 6, | ||||
pmask => 16#fff#, | ||||
pirq => 12, | ||||
nb_wait_pediod => 375) -- (49.152/2) /2^16 = 375 | ||||
PORT MAP ( | ||||
clk25MHz => clk_25, | ||||
clk49_152MHz => clk_24, -- 49.152MHz/2 | ||||
resetn => reset, | ||||
grspw_tick => swno.tickout, | ||||
apbi => apbi_ext, | ||||
apbo => apbo_ext(6), | ||||
coarse_time => coarse_time, | ||||
fine_time => fine_time); | ||||
----------------------------------------------------------------------- | ||||
--- SpaceWire -------------------------------------------------------- | ||||
----------------------------------------------------------------------- | ||||
SPW_EN <= '1'; | ||||
spw_clk <= clk_50_s; | ||||
spw_rxtxclk <= spw_clk; | ||||
spw_rxclkn <= NOT spw_rxtxclk; | ||||
-- PADS for SPW1 | ||||
spw1_rxd_pad : inpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_NOM_DIN, dtmp(0)); | ||||
spw1_rxs_pad : inpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_NOM_SIN, stmp(0)); | ||||
spw1_txd_pad : outpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_NOM_DOUT, swno.d(0)); | ||||
spw1_txs_pad : outpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_NOM_SOUT, swno.s(0)); | ||||
-- PADS FOR SPW2 | ||||
spw2_rxd_pad : inpad GENERIC MAP (tech => inferred) -- bad naming of the MINI-LFR /!\ | ||||
PORT MAP (SPW_RED_SIN, dtmp(1)); | ||||
spw2_rxs_pad : inpad GENERIC MAP (tech => inferred) -- bad naming of the MINI-LFR /!\ | ||||
PORT MAP (SPW_RED_DIN, stmp(1)); | ||||
spw2_txd_pad : outpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_RED_DOUT, swno.d(1)); | ||||
spw2_txs_pad : outpad GENERIC MAP (tech => inferred) | ||||
PORT MAP (SPW_RED_SOUT, swno.s(1)); | ||||
-- GRSPW PHY | ||||
--spw1_input: if CFG_SPW_GRSPW = 1 generate | ||||
spw_inputloop : FOR j IN 0 TO 1 GENERATE | ||||
spw_phy0 : grspw_phy | ||||
GENERIC MAP( | ||||
tech => apa3e, | ||||
rxclkbuftype => 1, | ||||
scantest => 0) | ||||
PORT MAP( | ||||
rxrst => swno.rxrst, | ||||
di => dtmp(j), | ||||
si => stmp(j), | ||||
rxclko => spw_rxclk(j), | ||||
do => swni.d(j), | ||||
ndo => swni.nd(j*5+4 DOWNTO j*5), | ||||
dconnect => swni.dconnect(j*2+1 DOWNTO j*2)); | ||||
END GENERATE spw_inputloop; | ||||
-- SPW core | ||||
sw0 : grspwm GENERIC MAP( | ||||
tech => apa3e, | ||||
hindex => 1, | ||||
pindex => 5, | ||||
paddr => 5, | ||||
pirq => 11, | ||||
sysfreq => 25000, -- CPU_FREQ | ||||
rmap => 1, | ||||
rmapcrc => 1, | ||||
fifosize1 => 16, | ||||
fifosize2 => 16, | ||||
rxclkbuftype => 1, | ||||
rxunaligned => 0, | ||||
rmapbufs => 4, | ||||
ft => 0, | ||||
netlist => 0, | ||||
ports => 2, | ||||
--dmachan => CFG_SPW_DMACHAN, -- not used byt the spw core 1 | ||||
memtech => apa3e, | ||||
destkey => 2, | ||||
spwcore => 1 | ||||
--input_type => CFG_SPW_INPUT, -- not used byt the spw core 1 | ||||
--output_type => CFG_SPW_OUTPUT, -- not used byt the spw core 1 | ||||
--rxtx_sameclk => CFG_SPW_RTSAME -- not used byt the spw core 1 | ||||
) | ||||
PORT MAP(reset, clk_25, spw_rxclk(0), | ||||
spw_rxclk(1), spw_rxtxclk, spw_rxtxclk, | ||||
ahbi_m_ext, ahbo_m_ext(1), apbi_ext, apbo_ext(5), | ||||
swni, swno); | ||||
swni.tickin <= '0'; | ||||
swni.rmapen <= '1'; | ||||
swni.clkdiv10 <= "00000100"; -- 10 MHz / (4 + 1) = 10 MHz | ||||
swni.tickinraw <= '0'; | ||||
swni.timein <= (OTHERS => '0'); | ||||
swni.dcrstval <= (OTHERS => '0'); | ||||
swni.timerrstval <= (OTHERS => '0'); | ||||
------------------------------------------------------------------------------- | ||||
-- LFR ------------------------------------------------------------------------ | ||||
------------------------------------------------------------------------------- | ||||
lpp_lfr_1 : lpp_lfr | ||||
GENERIC MAP ( | ||||
Mem_use => use_RAM, | ||||
nb_data_by_buffer_size => 32, | ||||
nb_word_by_buffer_size => 30, | ||||
nb_snapshot_param_size => 32, | ||||
delta_vector_size => 32, | ||||
delta_vector_size_f0_2 => 7, -- log2(96) | ||||
pindex => 15, | ||||
paddr => 15, | ||||
pmask => 16#fff#, | ||||
pirq_ms => 6, | ||||
pirq_wfp => 14, | ||||
hindex => 2, | ||||
|
r320 | top_lfr_version => X"000104") -- aa.bb.cc version | ||
|
r305 | PORT MAP ( | ||
clk => clk_25, | ||||
rstn => reset, | ||||
sample_B => sample(2 DOWNTO 0), | ||||
sample_E => sample(7 DOWNTO 3), | ||||
sample_val => sample_val, | ||||
apbi => apbi_ext, | ||||
apbo => apbo_ext(15), | ||||
ahbi => ahbi_m_ext, | ||||
ahbo => ahbo_m_ext(2), | ||||
coarse_time => coarse_time, | ||||
fine_time => fine_time, | ||||
|
r313 | data_shaping_BW => bias_fail_sw_sig, | ||
observation_reg => observation_reg); | ||||
|
r305 | |||
top_ad_conv_ADS7886_v2_1 : top_ad_conv_ADS7886_v2 | ||||
GENERIC MAP( | ||||
ChannelCount => 8, | ||||
SampleNbBits => 14, | ||||
ncycle_cnv_high => 40, -- at least 32 cycles at 25 MHz, 32 * 49.152 / 25 /2 = 31.5 | ||||
|
r308 | ncycle_cnv => 249) -- 49 152 000 / 98304 /2 | ||
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r305 | PORT MAP ( | ||
-- CONV | ||||
cnv_clk => clk_24, | ||||
cnv_rstn => reset, | ||||
cnv => ADC_nCS_sig, | ||||
-- DATA | ||||
clk => clk_25, | ||||
rstn => reset, | ||||
sck => ADC_CLK_sig, | ||||
sdo => ADC_SDO_sig, | ||||
-- SAMPLE | ||||
sample => sample, | ||||
sample_val => sample_val); | ||||
|
r313 | --IO10 <= ADC_SDO_sig(5); | ||
--IO9 <= ADC_SDO_sig(4); | ||||
--IO8 <= ADC_SDO_sig(3); | ||||
|
r305 | |||
ADC_nCS <= ADC_nCS_sig; | ||||
ADC_CLK <= ADC_CLK_sig; | ||||
ADC_SDO_sig <= ADC_SDO; | ||||
---------------------------------------------------------------------- | ||||
--- GPIO ----------------------------------------------------------- | ||||
---------------------------------------------------------------------- | ||||
grgpio0 : grgpio | ||||
GENERIC MAP(pindex => 11, paddr => 11, imask => 16#0000#, nbits => 8) | ||||
PORT MAP(reset, clk_25, apbi_ext, apbo_ext(11), gpioi, gpioo); | ||||
|
r313 | --pio_pad_0 : iopad | ||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO0, gpioo.dout(0), gpioo.oen(0), gpioi.din(0)); | ||||
--pio_pad_1 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO1, gpioo.dout(1), gpioo.oen(1), gpioi.din(1)); | ||||
--pio_pad_2 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO2, gpioo.dout(2), gpioo.oen(2), gpioi.din(2)); | ||||
--pio_pad_3 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO3, gpioo.dout(3), gpioo.oen(3), gpioi.din(3)); | ||||
--pio_pad_4 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO4, gpioo.dout(4), gpioo.oen(4), gpioi.din(4)); | ||||
--pio_pad_5 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO5, gpioo.dout(5), gpioo.oen(5), gpioi.din(5)); | ||||
--pio_pad_6 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO6, gpioo.dout(6), gpioo.oen(6), gpioi.din(6)); | ||||
--pio_pad_7 : iopad | ||||
-- GENERIC MAP (tech => CFG_PADTECH) | ||||
-- PORT MAP (IO7, gpioo.dout(7), gpioo.oen(7), gpioi.din(7)); | ||||
|
r305 | |||
|
r313 | PROCESS (clk_25, reset) | ||
BEGIN -- PROCESS | ||||
IF reset = '0' THEN -- asynchronous reset (active low) | ||||
IO0 <= '0'; | ||||
IO1 <= '0'; | ||||
IO2 <= '0'; | ||||
IO3 <= '0'; | ||||
IO4 <= '0'; | ||||
IO5 <= '0'; | ||||
IO6 <= '0'; | ||||
IO7 <= '0'; | ||||
IO8 <= '0'; | ||||
IO9 <= '0'; | ||||
IO10 <= '0'; | ||||
IO11 <= '0'; | ||||
ELSIF clk_25'event AND clk_25 = '1' THEN -- rising clock edge | ||||
CASE gpioo.dout(1 DOWNTO 0) IS | ||||
WHEN "00" => | ||||
IO0 <= observation_reg(0 ); | ||||
IO1 <= observation_reg(1 ); | ||||
IO2 <= observation_reg(2 ); | ||||
IO3 <= observation_reg(3 ); | ||||
IO4 <= observation_reg(4 ); | ||||
IO5 <= observation_reg(5 ); | ||||
IO6 <= observation_reg(6 ); | ||||
IO7 <= observation_reg(7 ); | ||||
IO8 <= observation_reg(8 ); | ||||
IO9 <= observation_reg(9 ); | ||||
IO10 <= observation_reg(10); | ||||
IO11 <= observation_reg(11); | ||||
WHEN "01" => | ||||
IO0 <= observation_reg(0 + 12); | ||||
IO1 <= observation_reg(1 + 12); | ||||
IO2 <= observation_reg(2 + 12); | ||||
IO3 <= observation_reg(3 + 12); | ||||
IO4 <= observation_reg(4 + 12); | ||||
IO5 <= observation_reg(5 + 12); | ||||
IO6 <= observation_reg(6 + 12); | ||||
IO7 <= observation_reg(7 + 12); | ||||
IO8 <= observation_reg(8 + 12); | ||||
IO9 <= observation_reg(9 + 12); | ||||
IO10 <= observation_reg(10 + 12); | ||||
IO11 <= observation_reg(11 + 12); | ||||
WHEN "10" => | ||||
IO0 <= observation_reg(0 + 12 + 12); | ||||
IO1 <= observation_reg(1 + 12 + 12); | ||||
IO2 <= observation_reg(2 + 12 + 12); | ||||
IO3 <= observation_reg(3 + 12 + 12); | ||||
IO4 <= observation_reg(4 + 12 + 12); | ||||
IO5 <= observation_reg(5 + 12 + 12); | ||||
IO6 <= observation_reg(6 + 12 + 12); | ||||
IO7 <= observation_reg(7 + 12 + 12); | ||||
IO8 <= '0'; | ||||
IO9 <= '0'; | ||||
IO10 <= '0'; | ||||
IO11 <= '0'; | ||||
WHEN "11" => | ||||
IO0 <= '0'; | ||||
IO1 <= '0'; | ||||
IO2 <= '0'; | ||||
IO3 <= '0'; | ||||
IO4 <= '0'; | ||||
IO5 <= '0'; | ||||
IO6 <= '0'; | ||||
IO7 <= '0'; | ||||
IO8 <= '0'; | ||||
IO9 <= '0'; | ||||
IO10 <= '0'; | ||||
IO11 <= '0'; | ||||
WHEN OTHERS => NULL; | ||||
END CASE; | ||||
END IF; | ||||
END PROCESS; | ||||
|
r320 | END beh; | ||