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- import string
- import math
- import sys
- M_PI = 3.14159265358979323846
- def sine(val,r,scale,stepping):
- global M_PI,flip
- re = int(math.sin(val*(M_PI*scale)/r)*r) + r
- re = re & 0xff
- re = re * stepping
- return re
- def main():
- cnt = 64
- stepping = 1
- upper = 0xff
- s = "#define PWM_SINE_MAX %i\nuint8_t pwm_sine_table[] = {\n" % cnt
- for i in range(0,cnt):
- if i > 0 and i%16==0:
- s+="\n"
- s +="0x%02x," % sine(i,upper/2,(float(upper)/cnt),stepping)
- s=s[:-1]
- s+="\n};\n"
- print s
- main()
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