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Examples: Add Python 2&3 support

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This commit is contained in:
Roland Dobai
2018-09-10 15:13:47 +02:00
parent 96cd3b75cd
commit 17b7959de9
10 changed files with 274 additions and 216 deletions
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12
examples/peripherals/i2s_adc_dac/tools/generate_audio_file.py
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@@ -1,3 +1,5 @@
from __future__ import print_function
from builtins import range
import os
import wave
import struct
@@ -13,7 +15,7 @@ def get_wave_array_str(filename, target_bits):
cur_lim = (1 << sampwidth) - 1
#scale current data to 8-bit data
val = val * scale_val / cur_lim
val = (val + ((scale_val + 1) / 2)) & scale_val
val = int(val + ((scale_val + 1) // 2)) & scale_val
array_str += "0x%x, "%(val)
if (i + 1) % 16 == 0:
array_str += "\n"
@@ -21,12 +23,12 @@ def get_wave_array_str(filename, target_bits):
def gen_wave_table(wav_file_list, target_file_name, scale_bits = 8):
with open(target_file_name, "w") as audio_table:
print >> audio_table, '#include <stdio.h>'
print >> audio_table, 'const unsigned char audio_table[] = {'
print('#include <stdio.h>', file=audio_table)
print('const unsigned char audio_table[] = {', file=audio_table)
for wav in wav_file_list:
print("processing: {}".format(wav))
print >> audio_table, get_wave_array_str(filename = wav, target_bits = scale_bits)
print >>audio_table,'};\n'
print(get_wave_array_str(filename = wav, target_bits = scale_bits), file=audio_table)
print('};\n', file=audio_table)
print("Done...")
if __name__=='__main__':