Sine table for MCU use (Not below zero / offset, though ofc this can be changed)

sinetable.py

import math
import matplotlib.pyplot as plt

sintable = " "
sinplottable =[]
sinplotfull = []

# for conversion from volts to adc ticks 
vfull=3.3
fullscale = 4096
R1 = 220000
R2 = 820
vref=1.0

numpoints = 64                # number of point is table
fraction_of_full_sine = 1      # part of sine it should put in table. 1 for full sine, 0,25 for only 90 degrees of sine
# max_amplitude = (100/(R1+R2))*R2 * (fullscale/vfull) * vref # max amplitude of sine: in ADC ticks (output voltage as divided by resistor divider) 
# Offset = (48/(R1+R2))*R2 * (fullscale/vfull) *vref # offset (DC input voltage of step-up, divided by output voltage divider) 
max_amplitude = 255 #pwm max ducy
Offset = 0 #PWM min ducy


for x in range (0,numpoints): 
    newnumber=0.5*(max_amplitude-Offset)*math.sin((x/numpoints)*2*math.pi*fraction_of_full_sine)+0.5*(max_amplitude-Offset)+Offset
    sintable+=str(int(newnumber))
    sintable+=','
    sinplottable.append(newnumber)

"""
for i in range (0,512): #construct full sine from table and plot it, for verification
    if(i<=127): sinplotfull.append(sinplottable[i])
    elif(i<=255): sinplotfull.append(sinplottable[127-(i-128)])
    #elif(i<=(127+255)): sinplotfull.append(sinplottable[(i-255)]*-1) #skips element 0 because otherwise 2 0 in a row / not a smooth sine, but that would cause index issues later on
    elif(i<=(127+256)): sinplotfull.append(sinplottable[(i-256)]*-1) # include the double element 0. Find a better fix later. (maybe use another part of the sine, say 0.5Pi to 1.5Pi instead of 0 to 0.5 Pi)
    else: sinplotfull.append(-1*sinplottable[127-(i-(128+256))])
  

for x in range (0,128): # this should make a 180 degree sine table in 128 steps
    newnumber=math.sin((x/128)*math.pi+0.5*math.pi)
    sintable+=str(newnumber)
    sintable+=','
    sinplottable.append(newnumber)

for i in range (0,512): #construct full sine from table and plot it, for verification
    if(i<=127): sinplotfull.append(sinplottable[i])
    elif(i<=255): sinplotfull.append(sinplottable[127-(i-128)]) 

for x in range (0,128): # this should make a full sine table in 128 steps. (Eigenlijk is dat ook al ruim voldoende resolutie en dan hoef ik niet stukjes sinus met afrondingsfouten aan elkaar te plakken)
    newnumber=math.sin((x/128)*math.pi*2)
    sintable+=str(newnumber)
    sintable+=','
    sinplottable.append(newnumber)
"""

fig = plt.figure()
ax = fig.add_subplot(111)

ax.plot(sinplottable,label="table")
#ax.plot(sinplotfull,label="full")
ax.legend()

plt.show()

print ("sinetable["+str(numpoints)+"]={"+sintable[:-1]+"};") #fit in C array and remove last ',' (Needs linefeeds added to taste)