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import math as m
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import numpy as np
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def int2hex(n,nbits):
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if (nbits % 4) != 0 :
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return 'ERROR 1!'
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spec='0'+str(nbits/4)+'x'
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if n >= (-2**(nbits-1)) and n <= (2**(nbits-1)-1) :
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return format(n, spec) if n>=0 else format(2**nbits+n, spec)
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else :
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return 'ERROR 2!'
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nb_point = 256
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t = np.arange(nb_point)
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## f0
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ampl_f0_0 = pow(2,14)
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freq_f0_0 = float(16)/256
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phi_f0_0 = 0
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ampl_f0_1 = pow(2,13)
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freq_f0_1 = float(16)/256
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phi_f0_1 = 0
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ampl_f0_2 = pow(2,12)
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freq_f0_2 = float(16)/256
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phi_f0_2 = 0
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ampl_f0_3 = pow(2,11)
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freq_f0_3 = float(16)/256
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phi_f0_3 = 0
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ampl_f0_4 = pow(2,10)
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freq_f0_4 = float(16)/256
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phi_f0_4 = 0
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x_f0 = [ampl_f0_0 * np.cos(2 * m.pi * freq_f0_0 * t + phi_f0_0 * m.pi / 180 ) ,
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ampl_f0_1 * np.cos(2 * m.pi * freq_f0_1 * t + phi_f0_1 * m.pi / 180 ) ,
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ampl_f0_2 * np.cos(2 * m.pi * freq_f0_2 * t + phi_f0_2 * m.pi / 180 ) ,
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ampl_f0_3 * np.cos(2 * m.pi * freq_f0_3 * t + phi_f0_3 * m.pi / 180 ) ,
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ampl_f0_4 * np.cos(2 * m.pi * freq_f0_4 * t + phi_f0_4 * m.pi / 180 ) ]
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# x_f0 = [ampl_f0_0 * np.cos(2 * m.pi * freq_f0_0 * t + phi_f0_0 * m.pi / 180 ) ,
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# np.zeros(nb_point,dtype=np.int16) + 10 ,
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# np.zeros(nb_point,dtype=np.int16) - 10 ,
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# ampl_f0_3 * np.cos(2 * m.pi * freq_f0_3 * t + phi_f0_3 * m.pi / 180 ) ,
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# ampl_f0_4 * np.cos(2 * m.pi * freq_f0_4 * t + phi_f0_4 * m.pi / 180 ) ]
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x_f0_int16 = [np.zeros(nb_point,dtype=np.int16),
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np.zeros(nb_point,dtype=np.int16),
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np.zeros(nb_point,dtype=np.int16),
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np.zeros(nb_point,dtype=np.int16),
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np.zeros(nb_point,dtype=np.int16)]
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for j in xrange(5) :
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for i in xrange(nb_point) :
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x_f0_int16[j][i] = int(round(x_f0[j][i]))
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f = open("data_f0.txt", 'w')
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for i in xrange(nb_point) :
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for j in xrange(5) :
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f.write(int2hex(x_f0_int16[j][i],16))
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f.write('\n')
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f.close
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f = open("data_f1.txt", 'w')
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for i in xrange(1) :
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for j in xrange(5) :
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f.write(int2hex(0,16))
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f.close
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f = open("data_f2.txt", 'w')
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for i in xrange(1) :
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for j in xrange(5) :
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f.write(int2hex(0,16))
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f.close
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