forked from mirrors/qmk_firmware
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
|
#!/usr/bin/env python3
|
||
|
|
#
|
||
|
|
# Copyright 2019 Jack Humbert
|
||
|
|
#
|
||
|
|
# This program is free software: you can redistribute it and/or modify
|
||
|
|
# it under the terms of the GNU General Public License as published by
|
||
|
|
# the Free Software Foundation, either version 2 of the License, or
|
||
|
|
# (at your option) any later version.
|
||
|
|
#
|
||
|
|
# This program is distributed in the hope that it will be useful,
|
||
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
# GNU General Public License for more details.
|
||
|
|
#
|
||
|
|
# You should have received a copy of the GNU General Public License
|
||
|
|
# along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
#
|
||
|
|
|
||
|
|
import wave, struct, sys
|
||
|
|
|
||
|
|
waveFile = wave.open(sys.argv[1], 'r')
|
||
|
|
|
||
|
|
length = waveFile.getnframes()
|
||
|
|
out = "#define DAC_WAVETABLE_CUSTOM_LENGTH " + str(int(length / 256)) + "\n\n"
|
||
|
|
out += "static const dacsample_t dac_wavetable_custom[" + str(int(length / 256)) + "][256] = {"
|
||
|
|
for i in range(0,length):
|
||
|
|
if (i % 8 == 0):
|
||
|
|
out += "\n "
|
||
|
|
if (i % 256 == 0):
|
||
|
|
out = out[:-2]
|
||
|
|
out += "{\n "
|
||
|
|
waveData = waveFile.readframes(1)
|
||
|
|
data = struct.unpack("<h", waveData)
|
||
|
|
out += str(int((int(data[0]) + 0x8000) / 16)) + ", "
|
||
|
|
if (i % 256 == 255):
|
||
|
|
out = out[:-2]
|
||
|
|
out += "\n },"
|
||
|
|
out = out[:-1]
|
||
|
|
out += "\n};"
|
||
|
|
print(out)
|