Klagarge/SEm-Labos
Archived
1
0
Fork 0
Code Activity

add solutions

Browse Source
This commit is contained in:
Rémi Heredero
2024-03-15 15:03:34 +01:00
parent 3095603e39
commit 9ceb15c0ff
612 changed files with 272868 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorCalculatePolynom_masterVersion.vhd Normal file
View File

@@ -0,0 +1,56 @@
ARCHITECTURE masterVersion OF interpolatorCalculatePolynom IS
constant additionalBitNb: positive := 1;
constant internalsBitNb: positive := signalBitNb + 3*oversamplingBitNb + 1
+ additionalBitNb;
signal x: signed(internalsBitNb-1 downto 0);
signal u: signed(internalsBitNb-1 downto 0);
signal v: signed(internalsBitNb-1 downto 0);
signal w: signed(internalsBitNb-1 downto 0);
BEGIN
iterativePolynom: process(reset, clock)
begin
if reset = '1' then
x <= (others => '0');
u <= (others => '0');
v <= (others => '0');
w <= (others => '0');
sampleOut <= (others => '0');
elsif rising_edge(clock) then
if en = '1' then
if restartPolynom = '1' then
x <= shift_left(resize(2*d, x'length), 3*oversamplingBitNb);
u <= resize(a, u'length)
+ shift_left(resize(b, u'length), oversamplingBitNb)
+ shift_left(resize(c, u'length), 2*oversamplingBitNb);
v <= resize(6*a, v'length)
+ shift_left(resize(2*b, v'length), oversamplingBitNb);
w <= resize(6*a, w'length);
sampleOut <= resize(d, sampleOut'length);
else
x <= x + u;
u <= u + v;
v <= v + w;
sampleOut <= resize(
shift_right(x, 3*oversamplingBitNb+1), sampleOut'length
);
-- limit overflow
if x(x'high downto x'high-additionalBitNb) = "01" then
sampleOut <= not shift_left(
resize("10", sampleOut'length), sampleOut'length-2
);
end if;
-- limit underflow
if x(x'high downto x'high-additionalBitNb) = "10" then
sampleOut <= shift_left(
resize("10", sampleOut'length), sampleOut'length-2
);
end if;
end if;
end if;
end if;
end process iterativePolynom;
END ARCHITECTURE masterVersion;

4
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorCalculatePolynom_studentVersion.vhd Normal file
View File

@@ -0,0 +1,4 @@
ARCHITECTURE studentVersion OF interpolatorCalculatePolynom IS
BEGIN
sampleOut <= (others => '0');
END ARCHITECTURE studentVersion;

28
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorCoefficients_masterVersion.vhd Normal file
View File

@@ -0,0 +1,28 @@
ARCHITECTURE masterVersion OF interpolatorCoefficients IS
BEGIN
calcCoeffs: process(interpolateLinear, sample1, sample2, sample3, sample4)
begin
if interpolateLinear = '1' then
a <= (others => '0');
b <= (others => '0');
c <= resize(2*sample3, c'length)
- resize(2*sample2, c'length);
d <= resize( sample2, d'length);
else
a <= resize( sample4, a'length)
- resize(3*sample3, a'length)
+ resize(3*sample2, a'length)
- resize( sample1, a'length);
b <= resize(2*sample1, b'length)
- resize(5*sample2, b'length)
+ resize(4*sample3, b'length)
- resize( sample4, b'length);
c <= resize( sample3, c'length)
- resize( sample1, c'length);
d <= resize( sample2, d'length);
end if;
end process calcCoeffs;
END ARCHITECTURE masterVersion;

7
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorCoefficients_studentVersion.vhd Normal file
View File

@@ -0,0 +1,7 @@
ARCHITECTURE studentVersion OF interpolatorCoefficients IS
BEGIN
a <= (others => '0');
b <= (others => '0');
c <= (others => '0');
d <= (others => '0');
END ARCHITECTURE studentVersion;

40
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorShiftRegister_masterVersion.vhd Normal file
View File

@@ -0,0 +1,40 @@
ARCHITECTURE masterVersion OF interpolatorShiftRegister IS
-- signal sample4_int: signed(sampleIn'range);
-- signal sample3_int: signed(sampleIn'range);
-- signal sample2_int: signed(sampleIn'range);
-- signal sample1_int: signed(sampleIn'range);
type samplesArray is array(3 downto 0) of signed(sampleIn'range);
signal samples: samplesArray;
begin
shiftThem: process(reset, clock)
begin
if reset = '1' then
samples <= (others=>(others=>'0'));
-- sample1_int <= (others => '0');
-- sample2_int <= (others => '0');
-- sample3_int <= (others => '0');
-- sample4_int <= (others => '0');
elsif rising_edge(clock) then
if shiftSamples = '1' then
-- sample1_int <= sample2_int;
-- sample2_int <= sample3_int;
-- sample3_int <= sample4_int;
-- sample4_int <= sampleIn;
samples(0) <= samples(1);
samples(1) <= samples(2);
samples(2) <= samples(3);
samples(3) <= sampleIn;
end if;
end if;
end process shiftThem;
sample4 <= samples(3);
sample3 <= samples(2);
sample2 <= samples(1);
sample1 <= samples(0);
END ARCHITECTURE masterVersion;

7
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorShiftRegister_studentVersion.vhd Normal file
View File

@@ -0,0 +1,7 @@
ARCHITECTURE studentVersion OF interpolatorShiftRegister IS
BEGIN
sample1 <= (others => '0');
sample2 <= (others => '0');
sample3 <= (others => '0');
sample4 <= (others => '0');
END ARCHITECTURE studentVersion;

27
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorTrigger_masterVersion.vhd Normal file
View File

@@ -0,0 +1,27 @@
ARCHITECTURE masterVersion OF interpolatorTrigger IS
signal triggerCounter: unsigned(counterBitNb-1 downto 0);
BEGIN
count: process(reset, clock)
begin
if reset = '1' then
triggerCounter <= (others => '0');
elsif rising_edge(clock) then
if en = '1' then
triggerCounter <= triggerCounter + 1;
end if;
end if;
end process count;
trig: process(triggerCounter, en)
begin
if triggerCounter = 0 then
triggerOut <= en;
else
triggerOut <= '0';
end if;
end process trig;
END ARCHITECTURE masterVersion;

4
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorTrigger_studentVersion.vhd Normal file
View File

@@ -0,0 +1,4 @@
ARCHITECTURE studentVersion OF interpolatorTrigger IS
BEGIN
triggerOut <= '0';
END ARCHITECTURE studentVersion;

34
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorcalculatepolynom_entity.vhg Normal file
View File

@@ -0,0 +1,34 @@
-- VHDL Entity SplineInterpolator.interpolatorCalculatePolynom.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:14 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY interpolatorCalculatePolynom IS
GENERIC(
signalBitNb : positive := 16;
coeffBitNb : positive := 16;
oversamplingBitNb : positive := 8
);
PORT(
clock : IN std_ulogic;
reset : IN std_ulogic;
restartPolynom : IN std_ulogic;
d : IN signed (coeffBitNb-1 DOWNTO 0);
sampleOut : OUT signed (signalBitNb-1 DOWNTO 0);
c : IN signed (coeffBitNb-1 DOWNTO 0);
b : IN signed (coeffBitNb-1 DOWNTO 0);
a : IN signed (coeffBitNb-1 DOWNTO 0);
en : IN std_ulogic
);
-- Declarations
END interpolatorCalculatePolynom ;

33
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorcoefficients_entity.vhg Normal file
View File

@@ -0,0 +1,33 @@
-- VHDL Entity SplineInterpolator.interpolatorCoefficients.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:20 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY interpolatorCoefficients IS
GENERIC(
bitNb : positive := 16;
coeffBitNb : positive := 16
);
PORT(
sample1 : IN signed (bitNb-1 DOWNTO 0);
sample2 : IN signed (bitNb-1 DOWNTO 0);
sample3 : IN signed (bitNb-1 DOWNTO 0);
sample4 : IN signed (bitNb-1 DOWNTO 0);
a : OUT signed (coeffBitNb-1 DOWNTO 0);
b : OUT signed (coeffBitNb-1 DOWNTO 0);
c : OUT signed (coeffBitNb-1 DOWNTO 0);
d : OUT signed (coeffBitNb-1 DOWNTO 0);
interpolateLinear : IN std_ulogic
);
-- Declarations
END interpolatorCoefficients ;

31
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatorshiftregister_entity.vhg Normal file
View File

@@ -0,0 +1,31 @@
-- VHDL Entity SplineInterpolator.interpolatorShiftRegister.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:24 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY interpolatorShiftRegister IS
GENERIC(
signalBitNb : positive := 16
);
PORT(
clock : IN std_ulogic;
reset : IN std_ulogic;
shiftSamples : IN std_ulogic;
sampleIn : IN signed (signalBitNb-1 DOWNTO 0);
sample1 : OUT signed (signalBitNb-1 DOWNTO 0);
sample2 : OUT signed (signalBitNb-1 DOWNTO 0);
sample3 : OUT signed (signalBitNb-1 DOWNTO 0);
sample4 : OUT signed (signalBitNb-1 DOWNTO 0)
);
-- Declarations
END interpolatorShiftRegister ;

27
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/interpolatortrigger_entity.vhg Normal file
View File

@@ -0,0 +1,27 @@
-- VHDL Entity SplineInterpolator.interpolatorTrigger.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:28 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY interpolatorTrigger IS
GENERIC(
counterBitNb : positive := 4
);
PORT(
triggerOut : OUT std_ulogic;
clock : IN std_ulogic;
reset : IN std_ulogic;
en : IN std_ulogic
);
-- Declarations
END interpolatorTrigger ;

7
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/offsetToUnsigned_masterVersion.vhd Normal file
View File

@@ -0,0 +1,7 @@
ARCHITECTURE masterVersion OF offsetToUnsigned IS
BEGIN
unsignedOut <= not(signedIn(signedIn'high)) & unsigned(signedIn(signedIn'high-1 downto 0));
END ARCHITECTURE masterVersion;

4
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/offsetToUnsigned_studentVersion.vhd Normal file
View File

@@ -0,0 +1,4 @@
ARCHITECTURE studentVersion OF offsetToUnsigned IS
BEGIN
unsignedOut <= (others => '0');
END ARCHITECTURE studentVersion;

25
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/offsettounsigned_entity.vhg Normal file
View File

@@ -0,0 +1,25 @@
-- VHDL Entity SplineInterpolator.offsetToUnsigned.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:32 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY offsetToUnsigned IS
GENERIC(
bitNb : positive := 16
);
PORT(
unsignedOut : OUT unsigned (bitNb-1 DOWNTO 0);
signedIn : IN signed (bitNb-1 DOWNTO 0)
);
-- Declarations
END offsetToUnsigned ;

26
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/resizer_entity.vhg Normal file
View File

@@ -0,0 +1,26 @@
-- VHDL Entity SplineInterpolator.resizer.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:36 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY resizer IS
GENERIC(
inputBitNb : positive := 16;
outputBitNb : positive := 16
);
PORT(
resizeOut : OUT unsigned (outputBitNb-1 DOWNTO 0);
resizeIn : IN unsigned (inputBitNb-1 DOWNTO 0)
);
-- Declarations
END resizer ;

33
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/resizer_masterVersion.vhd Normal file
View File

@@ -0,0 +1,33 @@
ARCHITECTURE masterVersion OF resizer IS
BEGIN
outGtIn: if resizeOut'length > resizeIn'length generate
begin
resizeOut <= shift_left(
resize(
resizeIn,
resizeOut'length
),
resizeOut'length-resizeIn'length
);
end generate outGtIn;
outEqIn: if resizeOut'length = resizeIn'length generate
begin
resizeOut <= resizeIn;
end generate outEqIn;
outLtIn: if resizeOut'length < resizeIn'length generate
begin
resizeOut <= resize(
shift_right(
resizeIn,
resizeIn'length-resizeOut'length
),
resizeOut'length
);
end generate outLtIn;
END ARCHITECTURE masterVersion;

4
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/resizer_studentVersion.vhd Normal file
View File

@@ -0,0 +1,4 @@
ARCHITECTURE studentVersion OF resizer IS
BEGIN
resizeOut <= (others => '0');
END ARCHITECTURE studentVersion;

57
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/sineTable_masterVersion.vhd Normal file
View File

@@ -0,0 +1,57 @@
ARCHITECTURE masterVersion OF sineTable IS
signal changeSign : std_uLogic;
signal flipPhase : std_uLogic;
signal phaseTableAddress1 : unsigned(tableAddressBitNb-1 downto 0);
signal phaseTableAddress2 : unsigned(phaseTableAddress1'range);
signal quarterSine : signed(sine'range);
signal shiftPhase : std_uLogic := '0'; -- can be used to build a cosine
begin
changeSign <= phase(phase'high);
flipPhase <= phase(phase'high-1);
phaseTableAddress1 <= phase(phase'high-2 downto phase'high-2-tableAddressBitNb+1);
checkPhase: process(flipPhase, shiftPhase, phaseTableAddress1)
begin
if (flipPhase xor shiftPhase) = '0' then
phaseTableAddress2 <= phaseTableAddress1;
else
phaseTableAddress2 <= 0 - phaseTableAddress1;
end if;
end process checkPhase;
quarterTable: process(phaseTableAddress2, flipPhase, shiftPhase)
begin
case to_integer(phaseTableAddress2) is
when 0 => if (flipPhase xor shiftPhase) = '0' then
quarterSine <= to_signed(16#0000#, quarterSine'length);
else
quarterSine <= to_signed(16#7FFF#, quarterSine'length);
end if;
when 1 => quarterSine <= to_signed(16#18F9#, quarterSine'length);
when 2 => quarterSine <= to_signed(16#30FB#, quarterSine'length);
when 3 => quarterSine <= to_signed(16#471C#, quarterSine'length);
when 4 => quarterSine <= to_signed(16#5A82#, quarterSine'length);
when 5 => quarterSine <= to_signed(16#6A6D#, quarterSine'length);
when 6 => quarterSine <= to_signed(16#7641#, quarterSine'length);
when 7 => quarterSine <= to_signed(16#7D89#, quarterSine'length);
when others => quarterSine <= (others => '-');
end case;
end process quarterTable;
checkSign: process(changeSign, flipPhase, shiftPhase, quarterSine)
begin
if (changeSign xor (flipPhase and shiftPhase)) = '0' then
sine <= quarterSine;
else
sine <= 0 - quarterSine;
end if;
end process checkSign;
END ARCHITECTURE masterVersion;

27
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/sineTable_studentVersion.vhd Normal file
View File

@@ -0,0 +1,27 @@
ARCHITECTURE studentVersion OF sineTable IS
signal phaseTableAddress : unsigned(tableAddressBitNb-1 downto 0);
signal quarterSine : signed(sine'range);
BEGIN
phaseTableAddress <= phase(phase'high-2 downto phase'high-2-tableAddressBitNb+1);
quarterTable: process(phaseTableAddress)
begin
case to_integer(phaseTableAddress) is
when 0 => quarterSine <= to_signed(16#0000#, quarterSine'length);
when 1 => quarterSine <= to_signed(16#18F9#, quarterSine'length);
when 2 => quarterSine <= to_signed(16#30FB#, quarterSine'length);
when 3 => quarterSine <= to_signed(16#471C#, quarterSine'length);
when 4 => quarterSine <= to_signed(16#5A82#, quarterSine'length);
when 5 => quarterSine <= to_signed(16#6A6D#, quarterSine'length);
when 6 => quarterSine <= to_signed(16#7641#, quarterSine'length);
when 7 => quarterSine <= to_signed(16#7D89#, quarterSine'length);
when others => quarterSine <= (others => '-');
end case;
end process quarterTable;
sine <= (others => '0');
END ARCHITECTURE studentVersion;

31
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/sinegen_entity.vhg Normal file
View File

@@ -0,0 +1,31 @@
-- VHDL Entity SplineInterpolator.sineGen.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:40 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY sineGen IS
GENERIC(
signalBitNb : positive := 16;
phaseBitNb : positive := 10
);
PORT(
clock : IN std_ulogic;
reset : IN std_ulogic;
step : IN unsigned (phaseBitNb-1 DOWNTO 0);
sawtooth : OUT unsigned (signalBitNb-1 DOWNTO 0);
sine : OUT unsigned (signalBitNb-1 DOWNTO 0);
square : OUT unsigned (signalBitNb-1 DOWNTO 0);
triangle : OUT unsigned (signalBitNb-1 DOWNTO 0)
);
-- Declarations
END sineGen ;

307
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/sinegen_struct.vhg Normal file
View File

@@ -0,0 +1,307 @@
--
-- VHDL Architecture SplineInterpolator.sineGen.struct
--
-- Created:
-- by - axel.amand.UNKNOWN (WE7860)
-- at - 14:42:04 28.04.2023
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
LIBRARY SplineInterpolator;
LIBRARY WaveformGenerator;
ARCHITECTURE struct OF sineGen IS
-- Architecture declarations
constant tableAddressBitNb : positive := 3;
constant sampleCountBitNb : positive := phaseBitNb-2-tableAddressBitNb;
constant coeffBitNb : positive := signalBitNb+4;
-- Internal signal declarations
SIGNAL a : signed(coeffBitNb-1 DOWNTO 0);
SIGNAL b : signed(coeffBitNb-1 DOWNTO 0);
SIGNAL c : signed(coeffBitNb-1 DOWNTO 0);
SIGNAL d : signed(coeffBitNb-1 DOWNTO 0);
SIGNAL logic0 : std_ulogic;
SIGNAL logic1 : std_ulogic;
SIGNAL newPolynom : std_ulogic;
SIGNAL phase : unsigned(phaseBitNb-1 DOWNTO 0);
SIGNAL sample1 : signed(signalBitNb-1 DOWNTO 0);
SIGNAL sample2 : signed(signalBitNb-1 DOWNTO 0);
SIGNAL sample3 : signed(signalBitNb-1 DOWNTO 0);
SIGNAL sample4 : signed(signalBitNb-1 DOWNTO 0);
SIGNAL sineSamples : signed(signalBitNb-1 DOWNTO 0);
SIGNAL sineSigned : signed(signalBitNb-1 DOWNTO 0);
-- Implicit buffer signal declarations
SIGNAL sawtooth_internal : unsigned (signalBitNb-1 DOWNTO 0);
-- Component Declarations
COMPONENT interpolatorCalculatePolynom
GENERIC (
signalBitNb : positive := 16;
coeffBitNb : positive := 16;
oversamplingBitNb : positive := 8
);
PORT (
clock : IN std_ulogic ;
reset : IN std_ulogic ;
restartPolynom : IN std_ulogic ;
d : IN signed (coeffBitNb-1 DOWNTO 0);
sampleOut : OUT signed (signalBitNb-1 DOWNTO 0);
c : IN signed (coeffBitNb-1 DOWNTO 0);
b : IN signed (coeffBitNb-1 DOWNTO 0);
a : IN signed (coeffBitNb-1 DOWNTO 0);
en : IN std_ulogic
);
END COMPONENT;
COMPONENT interpolatorCoefficients
GENERIC (
bitNb : positive := 16;
coeffBitNb : positive := 16
);
PORT (
sample1 : IN signed (bitNb-1 DOWNTO 0);
sample2 : IN signed (bitNb-1 DOWNTO 0);
sample3 : IN signed (bitNb-1 DOWNTO 0);
sample4 : IN signed (bitNb-1 DOWNTO 0);
a : OUT signed (coeffBitNb-1 DOWNTO 0);
b : OUT signed (coeffBitNb-1 DOWNTO 0);
c : OUT signed (coeffBitNb-1 DOWNTO 0);
d : OUT signed (coeffBitNb-1 DOWNTO 0);
interpolateLinear : IN std_ulogic
);
END COMPONENT;
COMPONENT interpolatorShiftRegister
GENERIC (
signalBitNb : positive := 16
);
PORT (
clock : IN std_ulogic ;
reset : IN std_ulogic ;
shiftSamples : IN std_ulogic ;
sampleIn : IN signed (signalBitNb-1 DOWNTO 0);
sample1 : OUT signed (signalBitNb-1 DOWNTO 0);
sample2 : OUT signed (signalBitNb-1 DOWNTO 0);
sample3 : OUT signed (signalBitNb-1 DOWNTO 0);
sample4 : OUT signed (signalBitNb-1 DOWNTO 0)
);
END COMPONENT;
COMPONENT interpolatorTrigger
GENERIC (
counterBitNb : positive := 4
);
PORT (
triggerOut : OUT std_ulogic ;
clock : IN std_ulogic ;
reset : IN std_ulogic ;
en : IN std_ulogic
);
END COMPONENT;
COMPONENT offsetToUnsigned
GENERIC (
bitNb : positive := 16
);
PORT (
unsignedOut : OUT unsigned (bitNb-1 DOWNTO 0);
signedIn : IN signed (bitNb-1 DOWNTO 0)
);
END COMPONENT;
COMPONENT resizer
GENERIC (
inputBitNb : positive := 16;
outputBitNb : positive := 16
);
PORT (
resizeOut : OUT unsigned (outputBitNb-1 DOWNTO 0);
resizeIn : IN unsigned (inputBitNb-1 DOWNTO 0)
);
END COMPONENT;
COMPONENT sineTable
GENERIC (
inputBitNb : positive := 16;
outputBitNb : positive := 16;
tableAddressBitNb : positive := 3
);
PORT (
sine : OUT signed (outputBitNb-1 DOWNTO 0);
phase : IN unsigned (inputBitNb-1 DOWNTO 0)
);
END COMPONENT;
COMPONENT sawtoothGen
GENERIC (
bitNb : positive := 16
);
PORT (
sawtooth : OUT unsigned (bitNb-1 DOWNTO 0);
clock : IN std_ulogic ;
reset : IN std_ulogic ;
step : IN unsigned (bitNb-1 DOWNTO 0);
en : IN std_ulogic
);
END COMPONENT;
COMPONENT sawtoothToSquare
GENERIC (
bitNb : positive := 16
);
PORT (
square : OUT unsigned (bitNb-1 DOWNTO 0);
sawtooth : IN unsigned (bitNb-1 DOWNTO 0)
);
END COMPONENT;
COMPONENT sawtoothToTriangle
GENERIC (
bitNb : positive := 16
);
PORT (
triangle : OUT unsigned (bitNb-1 DOWNTO 0);
sawtooth : IN unsigned (bitNb-1 DOWNTO 0)
);
END COMPONENT;
-- Optional embedded configurations
-- pragma synthesis_off
FOR ALL : interpolatorCalculatePolynom USE ENTITY SplineInterpolator.interpolatorCalculatePolynom;
FOR ALL : interpolatorCoefficients USE ENTITY SplineInterpolator.interpolatorCoefficients;
FOR ALL : interpolatorShiftRegister USE ENTITY SplineInterpolator.interpolatorShiftRegister;
FOR ALL : interpolatorTrigger USE ENTITY SplineInterpolator.interpolatorTrigger;
FOR ALL : offsetToUnsigned USE ENTITY SplineInterpolator.offsetToUnsigned;
FOR ALL : resizer USE ENTITY SplineInterpolator.resizer;
FOR ALL : sawtoothGen USE ENTITY WaveformGenerator.sawtoothGen;
FOR ALL : sawtoothToSquare USE ENTITY WaveformGenerator.sawtoothToSquare;
FOR ALL : sawtoothToTriangle USE ENTITY WaveformGenerator.sawtoothToTriangle;
FOR ALL : sineTable USE ENTITY SplineInterpolator.sineTable;
-- pragma synthesis_on
BEGIN
-- Architecture concurrent statements
-- HDL Embedded Text Block 2 eb2
logic1 <= '1';
-- HDL Embedded Text Block 3 eb3
logic0 <= '0';
-- Instance port mappings.
I_spline : interpolatorCalculatePolynom
GENERIC MAP (
signalBitNb => signalBitNb,
coeffBitNb => coeffBitNb,
oversamplingBitNb => sampleCountBitNb
)
PORT MAP (
clock => clock,
reset => reset,
restartPolynom => newPolynom,
d => d,
sampleOut => sineSigned,
c => c,
b => b,
a => a,
en => logic1
);
I_coeffs : interpolatorCoefficients
GENERIC MAP (
bitNb => signalBitNb,
coeffBitNb => coeffBitNb
)
PORT MAP (
sample1 => sample1,
sample2 => sample2,
sample3 => sample3,
sample4 => sample4,
a => a,
b => b,
c => c,
d => d,
interpolateLinear => logic0
);
I_shReg : interpolatorShiftRegister
GENERIC MAP (
signalBitNb => signalBitNb
)
PORT MAP (
clock => clock,
reset => reset,
shiftSamples => newPolynom,
sampleIn => sineSamples,
sample1 => sample1,
sample2 => sample2,
sample3 => sample3,
sample4 => sample4
);
I_trig : interpolatorTrigger
GENERIC MAP (
counterBitNb => sampleCountBitNb
)
PORT MAP (
triggerOut => newPolynom,
clock => clock,
reset => reset,
en => logic1
);
I_unsigned : offsetToUnsigned
GENERIC MAP (
bitNb => signalBitNb
)
PORT MAP (
unsignedOut => sine,
signedIn => sineSigned
);
I_size : resizer
GENERIC MAP (
inputBitNb => phaseBitNb,
outputBitNb => signalBitNb
)
PORT MAP (
resizeOut => sawtooth_internal,
resizeIn => phase
);
I_sin : sineTable
GENERIC MAP (
inputBitNb => phaseBitNb,
outputBitNb => signalBitNb,
tableAddressBitNb => tableAddressBitNb
)
PORT MAP (
sine => sineSamples,
phase => phase
);
I_saw : sawtoothGen
GENERIC MAP (
bitNb => phaseBitNb
)
PORT MAP (
sawtooth => phase,
clock => clock,
reset => reset,
step => step,
en => logic1
);
I_square : sawtoothToSquare
GENERIC MAP (
bitNb => signalBitNb
)
PORT MAP (
square => square,
sawtooth => sawtooth_internal
);
I_tri : sawtoothToTriangle
GENERIC MAP (
bitNb => signalBitNb
)
PORT MAP (
triangle => triangle,
sawtooth => sawtooth_internal
);
-- Implicit buffered output assignments
sawtooth <= sawtooth_internal;
END struct;

27
zz-solutions/02-SplineInterpolator/SplineInterpolator/hdl/sinetable_entity.vhg Normal file
View File

@@ -0,0 +1,27 @@
-- VHDL Entity SplineInterpolator.sineTable.symbol
--
-- Created:
-- by - francois.francois (Aphelia)
-- at - 13:00:46 02/19/19
--
-- Generated by Mentor Graphics' HDL Designer(TM) 2019.2 (Build 5)
--
LIBRARY ieee;
USE ieee.std_logic_1164.all;
USE ieee.numeric_std.all;
ENTITY sineTable IS
GENERIC(
inputBitNb : positive := 16;
outputBitNb : positive := 16;
tableAddressBitNb : positive := 3
);
PORT(
sine : OUT signed (outputBitNb-1 DOWNTO 0);
phase : IN unsigned (inputBitNb-1 DOWNTO 0)
);
-- Declarations
END sineTable ;