more refactoring to help my understanding of what this code does

This commit is contained in:
nzkarit 2017-09-05 22:46:27 +12:00
parent 960a697976
commit 007558baaa
2 changed files with 32 additions and 41 deletions

View File

@ -5,15 +5,7 @@ from encoder import *
from location import *
from conversions import *
from parity import *
###############################################################
###############################################################
from HackRF import HackRF
###############################################################
@ -129,36 +121,7 @@ def frame_1090es_ppm_modulate(even, odd):
return bytearray(ppm)
def hackrf_raw_IQ_format(ppm):
"""
real_signal = []
bits = numpy.unpackbits(numpy.asarray(ppm, dtype=numpy.uint8))
for bit in bits:
if bit == 1:
I = 127
else:
I = 0
real_signal.append(I)
analytic_signal = hilbert(real_signal)
#for i in range(len(real_signal)):
# print i, real_signal[i], int(analytic_signal[i])
"""
signal = []
bits = numpy.unpackbits(numpy.asarray(ppm, dtype=numpy.uint8))
for bit in bits:
if bit == 1:
I = 127
Q = 127
else:
I = 0
Q = 0
signal.append(I)
signal.append(Q)
return bytearray(signal)
if __name__ == "__main__":
@ -195,9 +158,8 @@ if __name__ == "__main__":
#OutFile = open("filename.bin", "wb")
#OutFile.write(df17_array)
samples_array = hackrf_raw_IQ_format(df17_array)
hackrf = HackRF()
samples_array = hackrf.hackrf_raw_IQ_format(df17_array)
SamplesFile = open("Samples.iq8s", "wb")
SamplesFile.write(samples_array)
###############################################################

29
HackRF.py Normal file
View File

@ -0,0 +1,29 @@
import numpy
class HackRF:
"""The HackRF class has functions from converting data into a format into which the hackrf can process
"""
def hackrf_raw_IQ_format(self, ppm):
"""
Args:
ppm: this is some data in ppm (pulse position modulation) which you want to convert into raw IQ format
Returns:
bytearray containig the IQ data
"""
signal = []
bits = numpy.unpackbits(numpy.asarray(ppm, dtype=numpy.uint8))
for bit in bits:
if bit == 1:
I = 127
Q = 127
else:
I = 0
Q = 0
signal.append(I)
signal.append(Q)
return bytearray(signal)