hack.py

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import math
import os
import sys


CMD = ("g++ -Wall -g -D__ARDUINO=0 -Iteensy -o foo instr.cpp teensy/common.cpp teensy/key.cpp")

assert os.system(CMD) == 0, CMD
assert os.system("./foo") == 0, "./foo"

if 'gnuplot' in sys.argv[1:]:
    os.system("echo \"set term png; set output 'output.png';"
        " plot 'foo.gp' using 1:3 with lines, 'foo.gp' using 1:2 with lines\" | gnuplot")
    sys.exit(0)
else:
    assert sys.platform == 'darwin', 'Sound only works on the Mac'

import aifc

import foo
S = foo.samples

try:
    os.unlink("quux.aiff")
except:
    pass

q = aifc.open("quux.aiff", "wb")
q.setnchannels(1)
q.setsampwidth(2)
q.setframerate(foo.sampfreq)
q.setnframes(len(S))

def f(x):
    xhi = (x >> 8) & 0xff
    xlo = x & 0xff
    return chr(xhi) + chr(xlo)

q.writeframes("".join(map(f, S)))
q.close()

os.system("afplay quux.aiff")