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Merged
merged 13 commits into from
Nov 12, 2024
Merged

Fix/tables #284

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4c7f05a
Removed blank table
tomcombriat Oct 21, 2024
35e0e69
Corrected sin1024_int8
tomcombriat Oct 21, 2024
8faac05
Correct sin1024 with round
tomcombriat Oct 21, 2024
6f3bd6b
Edited cos tables to symetrical range
tomcombriat Oct 21, 2024
bbc7062
Symetric saw and BN and chum
tomcombriat Oct 21, 2024
06c840b
Scaled sin for symetry
tomcombriat Oct 21, 2024
4cddbe5
Scaled waveshaper chebyshev for symetry
tomcombriat Oct 21, 2024
ca7626f
Scaled softclid waveshap for symetry
tomcombriat Oct 21, 2024
96c3f33
Scaled smoothe square for symetry
tomcombriat Oct 21, 2024
cb7abe4
Scale whitenoise for symetry
tomcombriat Oct 21, 2024
82979e1
Recomputed triangle tables for symetry
tomcombriat Oct 21, 2024
8fcb269
Automatically generated standard symetric tables
tomcombriat Oct 22, 2024
860c186
Added warning in old python script
tomcombriat Oct 22, 2024
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164 changes: 164 additions & 0 deletions extras/python/make_standard_tables.py
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Original file line number Diff line number Diff line change
@@ -0,0 +1,164 @@
#!/usr/bin/python3

"""
* make_standard_tables.py
*
* This file is part of Mozzi.
*
* Copyright 2012-2024 Thomas Combriat and the Mozzi Team
*
* Mozzi is licensed under the GNU Lesser General Public Licence (LGPL) Version 2.1 or later.
*
* This file allows to regenerate the standard tables of Mozzi (sin, cos, cosphase, triangle and saw)
"""

import numpy as np # numerics
import textwrap
import os as os
#import math as math # math

folder = ".."+os.sep+".."+os.sep+"tables" + os.sep

def write_header(fout, samplerate,name):
tablename = name.upper()+str(samplerate)
fout.write('#ifndef ' + tablename + '_H_' + '\n')
fout.write('#define ' + tablename + '_H_' + '\n \n')
fout.write("/**\n This table is part of Mozzi\n Generated with extras/python/make_standard_tables.py\n*/\n\n")
fout.write('#include <Arduino.h>'+'\n')
fout.write('#include "mozzi_pgmspace.h"'+'\n \n')
fout.write('#define ' + tablename + '_NUM_CELLS '+ str(samplerate)+'\n')
fout.write('#define ' + tablename + '_SAMPLERATE '+ str(samplerate)+'\n \n')
fout.write('CONSTTABLE_STORAGE(int8_t) ' + tablename + '_DATA [] = {\n')

def write_footer(fout,samplerate,name):
tablename = name.upper()+str(samplerate)
fout.write('\n }; \n \n #endif /* ' + tablename + '_H_ */\n')





#### SIN

SR = [256,512,1024,2048,4096,8192]
name = "sin"

for s in SR:
fout = open(folder+name+str(s)+"_int8.h","w")

write_header(fout,s,name)

t = np.linspace(0,2*np.pi,num=s,endpoint=False)
outstring=""
for i in range(s):
outstring+=str(round(127*np.sin(t[i])))+", "

outstring = textwrap.fill(outstring,80)
fout.write(outstring)
write_footer(fout,s,name)
fout.close()

print("Wrote:"+name.upper()+str(s)+"_INT8")


#### COS
# Note that this is actually a negative cos

SR = [256,512,1024,2048,4096,8192]
name = "cos"

for s in SR:
fout = open(folder+name+str(s)+"_int8.h","w")

write_header(fout,s,name)

t = np.linspace(0,2*np.pi,num=s,endpoint=False)
outstring=""
for i in range(s):
outstring+=str(round(-127*np.cos(t[i])))+", "

outstring = textwrap.fill(outstring,80)
fout.write(outstring)
write_footer(fout,s,name)
fout.close()

print("Wrote:"+name.upper()+str(s)+"_INT8")


#### COSPHASE

SR = [256,2048,8192]
name = "cosphase"

for s in SR:
fout = open(folder+name+str(s)+"_int8.h","w")

write_header(fout,s,name)

t = np.linspace(0,2*np.pi,num=s,endpoint=False)
outstring=""
for i in range(s):
outstring+=str(round(127*np.cos(t[i])))+", "

outstring = textwrap.fill(outstring,80)
fout.write(outstring)
write_footer(fout,s,name)
fout.close()

print("Wrote:"+name.upper()+str(s)+"_INT8")




#### TRIANGLE

SR = [512,1024,2048]
name = "triangle"

for s in SR:
fout = open(folder+name+str(s)+"_int8.h","w")

write_header(fout,s,name)

t = np.linspace(0,2*np.pi,num=s,endpoint=False)
outstring=""
for i in range(s):
if (i<=s/4):
outstring+=str(round(i*127./s*4))+", "
elif (i<=s*3/4):
outstring+=str(round(127-(i-s/4)*(127*2)/(s/2)))+", "
else:
outstring+=str(round(-127.+127.*(i-s*3/4)/s*4))+", "

outstring = textwrap.fill(outstring,80)
fout.write(outstring)
write_footer(fout,s,name)
fout.close()

print("Wrote:"+name.upper()+str(s)+"_INT8")





#### SAW

SR = [256,512,1024,2048,4096,8192]
name = "saw"

for s in SR:
fout = open(folder+name+str(s)+"_int8.h","w")

write_header(fout,s,name)

t = np.linspace(0,2*np.pi,num=s,endpoint=False)
outstring=""
for i in range(s):
outstring+=str(str(round(-127+127*2.*i/(s-1)))+", ")

outstring = textwrap.fill(outstring,80)
fout.write(outstring)
write_footer(fout,s,name)
fout.close()

print("Wrote:"+name.upper()+str(s)+"_INT8")
2 changes: 1 addition & 1 deletion extras/python/sin1024_int8.py
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@@ -1,5 +1,5 @@
## generates a sin-shaped table with values -128 to 127

## NOTE: this table has been generated using the "make_standard_tables.py" script, which produces a symetric table.

import array
import os
Expand Down
900 changes: 412 additions & 488 deletions tables/brownnoise8192_int8.h
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881 changes: 413 additions & 468 deletions tables/chum78_int8.h
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145 changes: 74 additions & 71 deletions tables/cos1024_int8.h
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Original file line number Diff line number Diff line change
@@ -1,78 +1,81 @@
#ifndef COS1024_H_
#define COS1024_H_

/**
This table is part of Mozzi
Generated with extras/python/make_standard_tables.py
*/

#include <Arduino.h>
#include "mozzi_pgmspace.h"

#define COS1024_NUM_CELLS 1024
#define COS1024_SAMPLERATE 1024

CONSTTABLE_STORAGE(int8_t) COS1024_DATA [] =
{
-128, -128, -128, -128, -128, -128, -128,
-128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128,
-128, -127, -127, -127, -127, -127, -127, -127, -127, -126, -126, -126, -126,
-126, -126, -126, -125, -125, -125, -125, -125, -124, -124, -124, -124, -124,
-123, -123, -123, -123, -123, -122, -122, -122, -122, -121, -121, -121, -120,
-120, -120, -120, -119, -119, -119, -118, -118, -118, -118, -117, -117, -117,
-116, -116, -116, -115, -115, -114, -114, -114, -113, -113, -113, -112, -112,
-111, -111, -111, -110, -110, -109, -109, -109, -108, -108, -107, -107, -106,
-106, -106, -105, -105, -104, -104, -103, -103, -102, -102, -101, -101, -100,
-100, -99, -99, -98, -98, -97, -97, -96, -96, -95, -95, -94, -94, -93, -93, -92,
-92, -91, -90, -90, -89, -89, -88, -88, -87, -86, -86, -85, -85, -84, -84, -83,
-82, -82, -81, -80, -80, -79, -79, -78, -77, -77, -76, -75, -75, -74, -74, -73,
-72, -72, -71, -70, -70, -69, -68, -68, -67, -66, -66, -65, -64, -64, -63, -62,
-62, -61, -60, -59, -59, -58, -57, -57, -56, -55, -55, -54, -53, -52, -52, -51,
-50, -49, -49, -48, -47, -47, -46, -45, -44, -44, -43, -42, -41, -41, -40, -39,
-38, -38, -37, -36, -35, -35, -34, -33, -32, -32, -31, -30, -29, -29, -28, -27,
-26, -25, -25, -24, -23, -22, -22, -21, -20, -19, -19, -18, -17, -16, -15, -15,
-14, -13, -12, -11, -11, -10, -9, -8, -8, -7, -6, -5, -4, -4, -3, -2, -1, -1, 0,
1, 2, 3, 3, 4, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 14, 14, 15, 16, 17, 17, 18,
19, 20, 21, 21, 22, 23, 24, 24, 25, 26, 27, 28, 28, 29, 30, 31, 31, 32, 33, 34,
34, 35, 36, 37, 37, 38, 39, 40, 40, 41, 42, 43, 43, 44, 45, 46, 46, 47, 48, 48,
49, 50, 51, 51, 52, 53, 54, 54, 55, 56, 56, 57, 58, 58, 59, 60, 61, 61, 62, 63,
63, 64, 65, 65, 66, 67, 67, 68, 69, 69, 70, 71, 71, 72, 73, 73, 74, 74, 75, 76,
76, 77, 78, 78, 79, 79, 80, 81, 81, 82, 83, 83, 84, 84, 85, 85, 86, 87, 87, 88,
88, 89, 89, 90, 91, 91, 92, 92, 93, 93, 94, 94, 95, 95, 96, 96, 97, 97, 98, 98,
99, 99, 100, 100, 101, 101, 102, 102, 103, 103, 104, 104, 105, 105, 105, 106,
106, 107, 107, 108, 108, 108, 109, 109, 110, 110, 110, 111, 111, 112, 112, 112,
113, 113, 113, 114, 114, 115, 115, 115, 116, 116, 116, 117, 117, 117, 117, 118,
118, 118, 119, 119, 119, 119, 120, 120, 120, 121, 121, 121, 121, 122, 122, 122,
122, 122, 123, 123, 123, 123, 123, 124, 124, 124, 124, 124, 125, 125, 125, 125,
125, 125, 125, 126, 126, 126, 126, 126, 126, 126, 126, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 126, 126, 126, 126, 126, 126, 126, 126, 125, 125, 125, 125,
125, 125, 125, 124, 124, 124, 124, 124, 123, 123, 123, 123, 123, 122, 122, 122,
122, 122, 121, 121, 121, 121, 120, 120, 120, 119, 119, 119, 119, 118, 118, 118,
117, 117, 117, 117, 116, 116, 116, 115, 115, 115, 114, 114, 113, 113, 113, 112,
112, 112, 111, 111, 110, 110, 110, 109, 109, 108, 108, 108, 107, 107, 106, 106,
106, 105, 105, 104, 104, 103, 103, 102, 102, 101, 101, 100, 100, 99, 99, 98, 98,
97, 97, 96, 96, 95, 95, 94, 94, 93, 93, 92, 92, 91, 91, 90, 89, 89, 88, 88, 87,
87, 86, 85, 85, 84, 84, 83, 83, 82, 81, 81, 80, 79, 79, 78, 78, 77, 76, 76, 75,
74, 74, 73, 73, 72, 71, 71, 70, 69, 69, 68, 67, 67, 66, 65, 65, 64, 63, 63, 62,
61, 61, 60, 59, 58, 58, 57, 56, 56, 55, 54, 54, 53, 52, 51, 51, 50, 49, 48, 48,
47, 46, 46, 45, 44, 43, 43, 42, 41, 40, 40, 39, 38, 37, 37, 36, 35, 34, 34, 33,
32, 31, 31, 30, 29, 28, 28, 27, 26, 25, 24, 24, 23, 22, 21, 21, 20, 19, 18, 18,
17, 16, 15, 14, 14, 13, 12, 11, 10, 10, 9, 8, 7, 7, 6, 5, 4, 3, 3, 2, 1, 0, 0,
-1, -2, -3, -4, -4, -5, -6, -7, -8, -8, -9, -10, -11, -11, -12, -13, -14, -15,
-15, -16, -17, -18, -19, -19, -20, -21, -22, -22, -23, -24, -25, -25, -26, -27,
-28, -29, -29, -30, -31, -32, -32, -33, -34, -35, -35, -36, -37, -38, -38, -39,
-40, -41, -41, -42, -43, -44, -44, -45, -46, -47, -47, -48, -49, -49, -50, -51,
-52, -52, -53, -54, -55, -55, -56, -57, -57, -58, -59, -59, -60, -61, -62, -62,
-63, -64, -64, -65, -66, -66, -67, -68, -68, -69, -70, -70, -71, -72, -72, -73,
-74, -74, -75, -75, -76, -77, -77, -78, -79, -79, -80, -80, -81, -82, -82, -83,
-84, -84, -85, -85, -86, -86, -87, -88, -88, -89, -89, -90, -90, -91, -92, -92,
-93, -93, -94, -94, -95, -95, -96, -96, -97, -97, -98, -98, -99, -99, -100,
-100, -101, -101, -102, -102, -103, -103, -104, -104, -105, -105, -106, -106,
-106, -107, -107, -108, -108, -109, -109, -109, -110, -110, -111, -111, -111,
-112, -112, -113, -113, -113, -114, -114, -114, -115, -115, -116, -116, -116,
-117, -117, -117, -118, -118, -118, -118, -119, -119, -119, -120, -120, -120,
-120, -121, -121, -121, -122, -122, -122, -122, -123, -123, -123, -123, -123,
-124, -124, -124, -124, -124, -125, -125, -125, -125, -125, -126, -126, -126,
-126, -126, -126, -126, -127, -127, -127, -127, -127, -127, -127, -127, -128,
-128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128, -128,
-128, -128, -128, -128, -128, -128,
};

#endif /* COS1024_H_ */

CONSTTABLE_STORAGE(int8_t) COS1024_DATA [] = {
-127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127,
-127, -127, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126,
-125, -125, -125, -125, -125, -125, -125, -124, -124, -124, -124, -124, -124,
-123, -123, -123, -123, -123, -122, -122, -122, -122, -122, -121, -121, -121,
-121, -120, -120, -120, -120, -119, -119, -119, -118, -118, -118, -118, -117,
-117, -117, -116, -116, -116, -115, -115, -115, -114, -114, -114, -113, -113,
-113, -112, -112, -112, -111, -111, -111, -110, -110, -109, -109, -109, -108,
-108, -107, -107, -106, -106, -106, -105, -105, -104, -104, -103, -103, -102,
-102, -102, -101, -101, -100, -100, -99, -99, -98, -98, -97, -97, -96, -96, -95,
-95, -94, -94, -93, -93, -92, -91, -91, -90, -90, -89, -89, -88, -88, -87, -86,
-86, -85, -85, -84, -84, -83, -82, -82, -81, -81, -80, -79, -79, -78, -78, -77,
-76, -76, -75, -74, -74, -73, -72, -72, -71, -71, -70, -69, -69, -68, -67, -67,
-66, -65, -65, -64, -63, -63, -62, -61, -61, -60, -59, -58, -58, -57, -56, -56,
-55, -54, -54, -53, -52, -51, -51, -50, -49, -49, -48, -47, -46, -46, -45, -44,
-44, -43, -42, -41, -41, -40, -39, -38, -38, -37, -36, -35, -35, -34, -33, -32,
-32, -31, -30, -29, -29, -28, -27, -26, -26, -25, -24, -23, -22, -22, -21, -20,
-19, -19, -18, -17, -16, -16, -15, -14, -13, -12, -12, -11, -10, -9, -9, -8, -7,
-6, -5, -5, -4, -3, -2, -2, -1, 0, 1, 2, 2, 3, 4, 5, 5, 6, 7, 8, 9, 9, 10, 11,
12, 12, 13, 14, 15, 16, 16, 17, 18, 19, 19, 20, 21, 22, 22, 23, 24, 25, 26, 26,
27, 28, 29, 29, 30, 31, 32, 32, 33, 34, 35, 35, 36, 37, 38, 38, 39, 40, 41, 41,
42, 43, 44, 44, 45, 46, 46, 47, 48, 49, 49, 50, 51, 51, 52, 53, 54, 54, 55, 56,
56, 57, 58, 58, 59, 60, 61, 61, 62, 63, 63, 64, 65, 65, 66, 67, 67, 68, 69, 69,
70, 71, 71, 72, 72, 73, 74, 74, 75, 76, 76, 77, 78, 78, 79, 79, 80, 81, 81, 82,
82, 83, 84, 84, 85, 85, 86, 86, 87, 88, 88, 89, 89, 90, 90, 91, 91, 92, 93, 93,
94, 94, 95, 95, 96, 96, 97, 97, 98, 98, 99, 99, 100, 100, 101, 101, 102, 102,
102, 103, 103, 104, 104, 105, 105, 106, 106, 106, 107, 107, 108, 108, 109, 109,
109, 110, 110, 111, 111, 111, 112, 112, 112, 113, 113, 113, 114, 114, 114, 115,
115, 115, 116, 116, 116, 117, 117, 117, 118, 118, 118, 118, 119, 119, 119, 120,
120, 120, 120, 121, 121, 121, 121, 122, 122, 122, 122, 122, 123, 123, 123, 123,
123, 124, 124, 124, 124, 124, 124, 125, 125, 125, 125, 125, 125, 125, 126, 126,
126, 126, 126, 126, 126, 126, 126, 126, 126, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, 127,
127, 127, 127, 127, 127, 127, 126, 126, 126, 126, 126, 126, 126, 126, 126, 126,
126, 125, 125, 125, 125, 125, 125, 125, 124, 124, 124, 124, 124, 124, 123, 123,
123, 123, 123, 122, 122, 122, 122, 122, 121, 121, 121, 121, 120, 120, 120, 120,
119, 119, 119, 118, 118, 118, 118, 117, 117, 117, 116, 116, 116, 115, 115, 115,
114, 114, 114, 113, 113, 113, 112, 112, 112, 111, 111, 111, 110, 110, 109, 109,
109, 108, 108, 107, 107, 106, 106, 106, 105, 105, 104, 104, 103, 103, 102, 102,
102, 101, 101, 100, 100, 99, 99, 98, 98, 97, 97, 96, 96, 95, 95, 94, 94, 93, 93,
92, 91, 91, 90, 90, 89, 89, 88, 88, 87, 86, 86, 85, 85, 84, 84, 83, 82, 82, 81,
81, 80, 79, 79, 78, 78, 77, 76, 76, 75, 74, 74, 73, 72, 72, 71, 71, 70, 69, 69,
68, 67, 67, 66, 65, 65, 64, 63, 63, 62, 61, 61, 60, 59, 58, 58, 57, 56, 56, 55,
54, 54, 53, 52, 51, 51, 50, 49, 49, 48, 47, 46, 46, 45, 44, 44, 43, 42, 41, 41,
40, 39, 38, 38, 37, 36, 35, 35, 34, 33, 32, 32, 31, 30, 29, 29, 28, 27, 26, 26,
25, 24, 23, 22, 22, 21, 20, 19, 19, 18, 17, 16, 16, 15, 14, 13, 12, 12, 11, 10,
9, 9, 8, 7, 6, 5, 5, 4, 3, 2, 2, 1, 0, -1, -2, -2, -3, -4, -5, -5, -6, -7, -8,
-9, -9, -10, -11, -12, -12, -13, -14, -15, -16, -16, -17, -18, -19, -19, -20,
-21, -22, -22, -23, -24, -25, -26, -26, -27, -28, -29, -29, -30, -31, -32, -32,
-33, -34, -35, -35, -36, -37, -38, -38, -39, -40, -41, -41, -42, -43, -44, -44,
-45, -46, -46, -47, -48, -49, -49, -50, -51, -51, -52, -53, -54, -54, -55, -56,
-56, -57, -58, -58, -59, -60, -61, -61, -62, -63, -63, -64, -65, -65, -66, -67,
-67, -68, -69, -69, -70, -71, -71, -72, -72, -73, -74, -74, -75, -76, -76, -77,
-78, -78, -79, -79, -80, -81, -81, -82, -82, -83, -84, -84, -85, -85, -86, -86,
-87, -88, -88, -89, -89, -90, -90, -91, -91, -92, -93, -93, -94, -94, -95, -95,
-96, -96, -97, -97, -98, -98, -99, -99, -100, -100, -101, -101, -102, -102,
-102, -103, -103, -104, -104, -105, -105, -106, -106, -106, -107, -107, -108,
-108, -109, -109, -109, -110, -110, -111, -111, -111, -112, -112, -112, -113,
-113, -113, -114, -114, -114, -115, -115, -115, -116, -116, -116, -117, -117,
-117, -118, -118, -118, -118, -119, -119, -119, -120, -120, -120, -120, -121,
-121, -121, -121, -122, -122, -122, -122, -122, -123, -123, -123, -123, -123,
-124, -124, -124, -124, -124, -124, -125, -125, -125, -125, -125, -125, -125,
-126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -126, -127, -127,
-127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127, -127,
};

#endif /* COS1024_H_ */
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