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#!/usr/bin/env python
#
# RTL FM Receiver - Python based realtime RF signal processing experiment
#  @edy555 2016
# requirement: numpy, scipy, pyaudio, pyrtlsdr

import numpy as np
import scipy.signal
import array
import rtlsdr

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#!/usr/bin/env python
import hid
import math

verbose = False

class ADF4351:
    DIV1 = 0
    DIV2 = 1
    DIV4 = 2

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#!/usr/bin/env python
import serial
import numpy as np
import pylab as pl

dev = '/dev/cu.usbmodem401'
ser = serial.Serial(dev)

def fetch_data():
    ser.write("data 0\r")

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#!/usr/bin/env python
from pylab import *

# source: http://www.wolframalpha.com/input/?i=graph+Hatsune+miku+curve

# ignore "RuntimeWarning: invalid value encountered in sqrt"
seterr(all='ignore')

# heaviside function
def theta(x):

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#!/usr/bin/env python
from numpy import sin,sign,pi,sqrt
import numpy as np
import pyaudio
import array

# generation function derived from WolframAlpha
# http://www.wolframalpha.com/input/?i=graph+Hatsune+miku+curve

# ignore "RuntimeWarning: invalid value encountered in sqrt"

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#!/usr/bin/env python
import ivi
import sys
import os
import os.path
from optparse import OptionParser
p = OptionParser()
p.add_option('-v', '--verbose', dest="verbose", action='store_true',
             help="print verbose.")
p.add_option('-d', '--device', dest="device", metavar="DEV",

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#!/usr/bin/env python
import numpy as np
from pylab import *

x = np.random.randn(65536)

m=16
d0 = [0] * m
d1 = [0] * m
d2 = [0] * m

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#!/usr/bin/python
# pip install pylibftdi
# refer /Library/Python/2.6/site-packages/pylibftdi

from pylibftdi import BitBangDevice
import time

with BitBangDevice(direction = 0xff) as bb:
	while True:
		time.sleep(0.5)

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