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# given the cmdline arg, turns the byte sequencies into a list of frequencies, and vice versa
# 1875 1924 +24, -25, range/2, 1, flipping new info 2 sending or not
def make_frequencies_map(start_freq, freq_step, byte_per_transmit, is_sender=True):
freq_list = [None] * (byte_per_transmit + 3)
sender_range = freq_step // 2
plus_minus = sender_range // (byte_per_transmit + 3)
for i in range(byte_per_transmit + 3):
freq_list[i] = start_freq + i * plus_minus
if not is_sender:
freq_list[i] += sender_range
return freq_list
def frequencies_to_bytes(frequencies, start_freq, freq_step, byte_per_transmit, is_sender=True):
freq_list = make_frequencies_map(start_freq, freq_step, byte_per_transmit, is_sender)
byte_list = [None] * len(frequencies)
sender_range = freq_step // 2
plus_minus = sender_range // (byte_per_transmit + 3)
for i in range(len(frequencies)):
byte_list[i] = 0
if frequencies[i] <= freq_list[i] < frequencies[i] + plus_minus - 1: byte_list[i] = 1
return byte_list
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