Adding MCP3008 library

11 files changed, 708 insertions, 0 deletions

diff --git a/Adafruit_Python_MCP3008/.github/ISSUE_TEMPLATE.md b/Adafruit_Python_MCP3008/.github/ISSUE_TEMPLATE.md
new file mode 100644
index 0000000..6344b2f
--- /dev/null
+++ b/Adafruit_Python_MCP3008/.github/ISSUE_TEMPLATE.md
@@ -0,0 +1,47 @@
+Thank you for opening an issue on an Adafruit Python library repository.  To
+improve the speed of resolution please review the following guidelines and
+common troubleshooting steps below before creating the issue:
+
+- **Do not use GitHub issues for troubleshooting projects and issues.**  Instead use
+  the forums at http://forums.adafruit.com to ask questions and troubleshoot why
+  something isn't working as expected.  In many cases the problem is a common issue
+  that you will more quickly receive help from the forum community.  GitHub issues
+  are meant for known defects in the code.  If you don't know if there is a defect
+  in the code then start with troubleshooting on the forum first.
+
+- **If following a tutorial or guide be sure you didn't miss a step.** Carefully
+  check all of the steps and commands to run have been followed.  Consult the
+  forum if you're unsure or have questions about steps in a guide/tutorial.
+
+- **For Python/Raspberry Pi projects check these very common issues to ensure they don't apply**:
+
+  - If you are receiving an **ImportError: No module named...** error then a
+    library the code depends on is not installed.  Check the tutorial/guide or
+    README to ensure you have installed the necessary libraries.  Usually the
+    missing library can be installed with the `pip` tool, but check the tutorial/guide
+    for the exact command.  
+
+  - **Be sure you are supplying adequate power to the board.**  Check the specs of
+    your board and power in an external power supply.  In many cases just
+    plugging a board into your computer is not enough to power it and other
+    peripherals.
+
+  - **Double check all soldering joints and connections.**  Flakey connections
+    cause many mysterious problems.  See the [guide to excellent soldering](https://learn.adafruit.com/adafruit-guide-excellent-soldering/tools) for examples of good solder joints.
+
+If you're sure this issue is a defect in the code and checked the steps above
+please fill in the following fields to provide enough troubleshooting information.
+You may delete the guideline and text above to just leave the following details:
+
+- Platform/operating system (i.e. Raspberry Pi with Raspbian operating system,
+  Windows 32-bit, Windows 64-bit, Mac OSX 64-bit, etc.):  **INSERT PLATFORM/OPERATING
+  SYSTEM HERE**
+
+- Python version (run `python -version` or `python3 -version`):  **INSERT PYTHON
+  VERSION HERE**
+
+- Error message you are receiving, including any Python exception traces:  **INSERT
+  ERROR MESAGE/EXCEPTION TRACES HERE***
+
+- List the steps to reproduce the problem below (if possible attach code or commands
+  to run): **LIST REPRO STEPS BELOW**
diff --git a/Adafruit_Python_MCP3008/.github/PULL_REQUEST_TEMPLATE.md b/Adafruit_Python_MCP3008/.github/PULL_REQUEST_TEMPLATE.md
new file mode 100644
index 0000000..7b641eb
--- /dev/null
+++ b/Adafruit_Python_MCP3008/.github/PULL_REQUEST_TEMPLATE.md
@@ -0,0 +1,26 @@
+Thank you for creating a pull request to contribute to Adafruit's GitHub code!
+Before you open the request please review the following guidelines and tips to
+help it be more easily integrated:
+
+- **Describe the scope of your change--i.e. what the change does and what parts
+  of the code were modified.**  This will help us understand any risks of integrating
+  the code.
+
+- **Describe any known limitations with your change.**  For example if the change
+  doesn't apply to a supported platform of the library please mention it.
+
+- **Please run any tests or examples that can exercise your modified code.**  We
+  strive to not break users of the code and running tests/examples helps with this
+  process.
+
+Thank you again for contributing!  We will try to test and integrate the change
+as soon as we can, but be aware we have many GitHub repositories to manage and
+can't immediately respond to every request.  There is no need to bump or check in
+on a pull request (it will clutter the discussion of the request).
+
+Also don't be worried if the request is closed or not integrated--sometimes the
+priorities of Adafruit's GitHub code (education, ease of use) might not match the
+priorities of the pull request.  Don't fret, the open source community thrives on
+forks and GitHub makes it easy to keep your changes in a forked repo.
+
+After reviewing the guidelines above you can delete this text from the pull request.
diff --git a/Adafruit_Python_MCP3008/.gitignore b/Adafruit_Python_MCP3008/.gitignore
new file mode 100644
index 0000000..e2160db
--- /dev/null
+++ b/Adafruit_Python_MCP3008/.gitignore
@@ -0,0 +1,63 @@
+setuptools-*
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+env/
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+*.egg-info/
+.installed.cfg
+*.egg
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*,cover
+.hypothesis/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+#Ipython Notebook
+.ipynb_checkpoints
diff --git a/Adafruit_Python_MCP3008/Adafruit_MCP3008/MCP3008.py b/Adafruit_Python_MCP3008/Adafruit_MCP3008/MCP3008.py
new file mode 100644
index 0000000..027cec7
--- /dev/null
+++ b/Adafruit_Python_MCP3008/Adafruit_MCP3008/MCP3008.py
@@ -0,0 +1,92 @@
+# Copyright (c) 2016 Adafruit Industries
+# Author: Tony DiCola
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+import Adafruit_GPIO as GPIO
+import Adafruit_GPIO.SPI as SPI
+
+
+class MCP3008(object):
+    """Class to represent an Adafruit MCP3008 analog to digital converter.
+    """
+
+    def __init__(self, clk=None, cs=None, miso=None, mosi=None, spi=None, gpio=None):
+        """Initialize MAX31855 device with software SPI on the specified CLK,
+        CS, and DO pins.  Alternatively can specify hardware SPI by sending an
+        Adafruit_GPIO.SPI.SpiDev device in the spi parameter.
+        """
+        self._spi = None
+        # Handle hardware SPI
+        if spi is not None:
+            self._spi = spi
+        elif clk is not None and cs is not None and miso is not None and mosi is not None:
+            # Default to platform GPIO if not provided.
+            if gpio is None:
+                gpio = GPIO.get_platform_gpio()
+            self._spi = SPI.BitBang(gpio, clk, mosi, miso, cs)
+        else:
+            raise ValueError('Must specify either spi for for hardware SPI or clk, cs, miso, and mosi for softwrare SPI!')
+        self._spi.set_clock_hz(1000000)
+        self._spi.set_mode(0)
+        self._spi.set_bit_order(SPI.MSBFIRST)
+
+    def read_adc(self, adc_number):
+        """Read the current value of the specified ADC channel (0-7).  The values
+        can range from 0 to 1023 (10-bits).
+        """
+        assert 0 <= adc_number <= 7, 'ADC number must be a value of 0-7!'
+        # Build a single channel read command.
+        # For example channel zero = 0b11000000
+        command = 0b11 << 6                  # Start bit, single channel read
+        command |= (adc_number & 0x07) << 3  # Channel number (in 3 bits)
+        # Note the bottom 3 bits of command are 0, this is to account for the
+        # extra clock to do the conversion, and the low null bit returned at
+        # the start of the response.
+        resp = self._spi.transfer([command, 0x0, 0x0])
+        # Parse out the 10 bits of response data and return it.
+        result = (resp[0] & 0x01) << 9
+        result |= (resp[1] & 0xFF) << 1
+        result |= (resp[2] & 0x80) >> 7
+        return result & 0x3FF
+
+    def read_adc_difference(self, differential):
+        """Read the difference between two channels.  Differential should be a
+        value of:
+          - 0: Return channel 0 minus channel 1
+          - 1: Return channel 1 minus channel 0
+          - 2: Return channel 2 minus channel 3
+          - 3: Return channel 3 minus channel 2
+          - 4: Return channel 4 minus channel 5
+          - 5: Return channel 5 minus channel 4
+          - 6: Return channel 6 minus channel 7
+          - 7: Return channel 7 minus channel 6
+        """
+        assert 0 <= differential <= 7, 'Differential number must be a value of 0-7!'
+        # Build a difference channel read command.
+        command = 0b10 << 6                  # Start bit, differential read
+        command |= (differential & 0x07) << 3  # Channel number (in 3 bits)
+        # Note the bottom 3 bits of command are 0, this is to account for the
+        # extra clock to do the conversion, and the low null bit returned at
+        # the start of the response.
+        resp = self._spi.transfer([command, 0x0, 0x0])
+        # Parse out the 10 bits of response data and return it.
+        result = (resp[0] & 0x01) << 9
+        result |= (resp[1] & 0xFF) << 1
+        result |= (resp[2] & 0x80) >> 7
+        return result & 0x3FF
diff --git a/Adafruit_Python_MCP3008/Adafruit_MCP3008/__init__.py b/Adafruit_Python_MCP3008/Adafruit_MCP3008/__init__.py
new file mode 100644
index 0000000..767086c
--- /dev/null
+++ b/Adafruit_Python_MCP3008/Adafruit_MCP3008/__init__.py
@@ -0,0 +1 @@
+from .MCP3008 import MCP3008
diff --git a/Adafruit_Python_MCP3008/LICENSE b/Adafruit_Python_MCP3008/LICENSE
new file mode 100644
index 0000000..d025531
--- /dev/null
+++ b/Adafruit_Python_MCP3008/LICENSE
@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2016 Adafruit Industries
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/Adafruit_Python_MCP3008/README.md b/Adafruit_Python_MCP3008/README.md
new file mode 100644
index 0000000..6b7da9a
--- /dev/null
+++ b/Adafruit_Python_MCP3008/README.md
@@ -0,0 +1,19 @@
+# Adafruit Python MCP3008
+
+Python code to use the MCP3008 analog to digital converter with a Raspberry Pi or BeagleBone black.
+
+## Installation
+
+To install the library from source (recommended) run the following commands on a Raspberry Pi or other Debian-based OS system:
+
+    sudo apt-get install git build-essential python-dev
+    cd ~
+    git clone https://github.com/adafruit/Adafruit_Python_MCP3008.git
+    cd Adafruit_Python_MCP3008
+    sudo python setup.py install
+
+Alternatively you can install from pip with:
+
+    sudo pip install adafruit-mcp3008
+
+Note that the pip install method **won't** install the example code.
diff --git a/Adafruit_Python_MCP3008/examples/differential.py b/Adafruit_Python_MCP3008/examples/differential.py
new file mode 100644
index 0000000..df30e65
--- /dev/null
+++ b/Adafruit_Python_MCP3008/examples/differential.py
@@ -0,0 +1,38 @@
+# Simple example of reading the MCP3008 analog input channels using its
+# differential mode.  Will print the difference of channel 0 and 1.
+# Author: Tony DiCola
+# License: Public Domain
+import time
+
+# Import SPI library (for hardware SPI) and MCP3008 library.
+import Adafruit_GPIO.SPI as SPI
+import Adafruit_MCP3008
+
+
+# Software SPI configuration:
+# CLK  = 18
+# MISO = 23
+# MOSI = 24
+# CS   = 25
+# mcp = Adafruit_MCP3008.MCP3008(clk=CLK, cs=CS, miso=MISO, mosi=MOSI)
+
+# Hardware SPI configuration:
+SPI_PORT   = 0
+SPI_DEVICE = 0
+mcp = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
+
+print('Press Ctrl-C to quit...')
+while True:
+    # Grab the difference between channel 0 and 1 (i.e. channel 0 minus 1).
+    # Note you can specify any value in 0-7 to grab other differences:
+    #  - 0: Return channel 0 minus channel 1
+    #  - 1: Return channel 1 minus channel 0
+    #  - 2: Return channel 2 minus channel 3
+    #  - 3: Return channel 3 minus channel 2
+    #  - 4: Return channel 4 minus channel 5
+    #  - 5: Return channel 5 minus channel 4
+    #  - 6: Return channel 6 minus channel 7
+    #  - 7: Return channel 7 minus channel 6
+    value = mcp.read_adc_difference(0)
+    print('Channel 0 minus 1: {0}'.format(value))
+    time.sleep(0.5)
diff --git a/Adafruit_Python_MCP3008/examples/simpletest.py b/Adafruit_Python_MCP3008/examples/simpletest.py
new file mode 100644
index 0000000..23f9f0c
--- /dev/null
+++ b/Adafruit_Python_MCP3008/examples/simpletest.py
@@ -0,0 +1,39 @@
+# Simple example of reading the MCP3008 analog input channels and printing
+# them all out.
+# Author: Tony DiCola
+# License: Public Domain
+import time
+
+# Import SPI library (for hardware SPI) and MCP3008 library.
+import Adafruit_GPIO.SPI as SPI
+import Adafruit_MCP3008
+
+
+# Software SPI configuration:
+CLK  = 18
+MISO = 23
+MOSI = 24
+CS   = 25
+mcp = Adafruit_MCP3008.MCP3008(clk=CLK, cs=CS, miso=MISO, mosi=MOSI)
+
+# Hardware SPI configuration:
+# SPI_PORT   = 0
+# SPI_DEVICE = 0
+# mcp = Adafruit_MCP3008.MCP3008(spi=SPI.SpiDev(SPI_PORT, SPI_DEVICE))
+
+
+print('Reading MCP3008 values, press Ctrl-C to quit...')
+# Print nice channel column headers.
+print('| {0:>4} | {1:>4} | {2:>4} | {3:>4} | {4:>4} | {5:>4} | {6:>4} | {7:>4} |'.format(*range(8)))
+print('-' * 57)
+# Main program loop.
+while True:
+    # Read all the ADC channel values in a list.
+    values = [0]*8
+    for i in range(8):
+        # The read_adc function will get the value of the specified channel (0-7).
+        values[i] = mcp.read_adc(i)
+    # Print the ADC values.
+    print('| {0:>4} | {1:>4} | {2:>4} | {3:>4} | {4:>4} | {5:>4} | {6:>4} | {7:>4} |'.format(*values))
+    # Pause for half a second.
+    time.sleep(0.5)
diff --git a/Adafruit_Python_MCP3008/ez_setup.py b/Adafruit_Python_MCP3008/ez_setup.py
new file mode 100644
index 0000000..23ea9a2
--- /dev/null
+++ b/Adafruit_Python_MCP3008/ez_setup.py
@@ -0,0 +1,332 @@
+#!/usr/bin/env python
+"""Bootstrap setuptools installation
+
+To use setuptools in your package's setup.py, include this
+file in the same directory and add this to the top of your setup.py::
+
+    from ez_setup import use_setuptools
+    use_setuptools()
+
+To require a specific version of setuptools, set a download
+mirror, or use an alternate download directory, simply supply
+the appropriate options to ``use_setuptools()``.
+
+This file can also be run as a script to install or upgrade setuptools.
+"""
+import os
+import shutil
+import sys
+import tempfile
+import zipfile
+import optparse
+import subprocess
+import platform
+import textwrap
+import contextlib
+
+from distutils import log
+
+try:
+    from site import USER_SITE
+except ImportError:
+    USER_SITE = None
+
+DEFAULT_VERSION = "3.5.1"
+DEFAULT_URL = "https://pypi.python.org/packages/source/s/setuptools/"
+
+def _python_cmd(*args):
+    """
+    Return True if the command succeeded.
+    """
+    args = (sys.executable,) + args
+    return subprocess.call(args) == 0
+
+
+def _install(archive_filename, install_args=()):
+    with archive_context(archive_filename):
+        # installing
+        log.warn('Installing Setuptools')
+        if not _python_cmd('setup.py', 'install', *install_args):
+            log.warn('Something went wrong during the installation.')
+            log.warn('See the error message above.')
+            # exitcode will be 2
+            return 2
+
+
+def _build_egg(egg, archive_filename, to_dir):
+    with archive_context(archive_filename):
+        # building an egg
+        log.warn('Building a Setuptools egg in %s', to_dir)
+        _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
+    # returning the result
+    log.warn(egg)
+    if not os.path.exists(egg):
+        raise IOError('Could not build the egg.')
+
+
+def get_zip_class():
+    """
+    Supplement ZipFile class to support context manager for Python 2.6
+    """
+    class ContextualZipFile(zipfile.ZipFile):
+        def __enter__(self):
+            return self
+        def __exit__(self, type, value, traceback):
+            self.close
+    return zipfile.ZipFile if hasattr(zipfile.ZipFile, '__exit__') else \
+        ContextualZipFile
+
+
+@contextlib.contextmanager
+def archive_context(filename):
+    # extracting the archive
+    tmpdir = tempfile.mkdtemp()
+    log.warn('Extracting in %s', tmpdir)
+    old_wd = os.getcwd()
+    try:
+        os.chdir(tmpdir)
+        with get_zip_class()(filename) as archive:
+            archive.extractall()
+
+        # going in the directory
+        subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
+        os.chdir(subdir)
+        log.warn('Now working in %s', subdir)
+        yield
+
+    finally:
+        os.chdir(old_wd)
+        shutil.rmtree(tmpdir)
+
+
+def _do_download(version, download_base, to_dir, download_delay):
+    egg = os.path.join(to_dir, 'setuptools-%s-py%d.%d.egg'
+                       % (version, sys.version_info[0], sys.version_info[1]))
+    if not os.path.exists(egg):
+        archive = download_setuptools(version, download_base,
+                                      to_dir, download_delay)
+        _build_egg(egg, archive, to_dir)
+    sys.path.insert(0, egg)
+
+    # Remove previously-imported pkg_resources if present (see
+    # https://bitbucket.org/pypa/setuptools/pull-request/7/ for details).
+    if 'pkg_resources' in sys.modules:
+        del sys.modules['pkg_resources']
+
+    import setuptools
+    setuptools.bootstrap_install_from = egg
+
+
+def use_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
+        to_dir=os.curdir, download_delay=15):
+    to_dir = os.path.abspath(to_dir)
+    rep_modules = 'pkg_resources', 'setuptools'
+    imported = set(sys.modules).intersection(rep_modules)
+    try:
+        import pkg_resources
+    except ImportError:
+        return _do_download(version, download_base, to_dir, download_delay)
+    try:
+        pkg_resources.require("setuptools>=" + version)
+        return
+    except pkg_resources.DistributionNotFound:
+        return _do_download(version, download_base, to_dir, download_delay)
+    except pkg_resources.VersionConflict as VC_err:
+        if imported:
+            msg = textwrap.dedent("""
+                The required version of setuptools (>={version}) is not available,
+                and can't be installed while this script is running. Please
+                install a more recent version first, using
+                'easy_install -U setuptools'.
+
+                (Currently using {VC_err.args[0]!r})
+                """).format(VC_err=VC_err, version=version)
+            sys.stderr.write(msg)
+            sys.exit(2)
+
+        # otherwise, reload ok
+        del pkg_resources, sys.modules['pkg_resources']
+        return _do_download(version, download_base, to_dir, download_delay)
+
+def _clean_check(cmd, target):
+    """
+    Run the command to download target. If the command fails, clean up before
+    re-raising the error.
+    """
+    try:
+        subprocess.check_call(cmd)
+    except subprocess.CalledProcessError:
+        if os.access(target, os.F_OK):
+            os.unlink(target)
+        raise
+
+def download_file_powershell(url, target):
+    """
+    Download the file at url to target using Powershell (which will validate
+    trust). Raise an exception if the command cannot complete.
+    """
+    target = os.path.abspath(target)
+    cmd = [
+        'powershell',
+        '-Command',
+        "(new-object System.Net.WebClient).DownloadFile(%(url)r, %(target)r)" % vars(),
+    ]
+    _clean_check(cmd, target)
+
+def has_powershell():
+    if platform.system() != 'Windows':
+        return False
+    cmd = ['powershell', '-Command', 'echo test']
+    devnull = open(os.path.devnull, 'wb')
+    try:
+        try:
+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
+        except Exception:
+            return False
+    finally:
+        devnull.close()
+    return True
+
+download_file_powershell.viable = has_powershell
+
+def download_file_curl(url, target):
+    cmd = ['curl', url, '--silent', '--output', target]
+    _clean_check(cmd, target)
+
+def has_curl():
+    cmd = ['curl', '--version']
+    devnull = open(os.path.devnull, 'wb')
+    try:
+        try:
+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
+        except Exception:
+            return False
+    finally:
+        devnull.close()
+    return True
+
+download_file_curl.viable = has_curl
+
+def download_file_wget(url, target):
+    cmd = ['wget', url, '--quiet', '--output-document', target]
+    _clean_check(cmd, target)
+
+def has_wget():
+    cmd = ['wget', '--version']
+    devnull = open(os.path.devnull, 'wb')
+    try:
+        try:
+            subprocess.check_call(cmd, stdout=devnull, stderr=devnull)
+        except Exception:
+            return False
+    finally:
+        devnull.close()
+    return True
+
+download_file_wget.viable = has_wget
+
+def download_file_insecure(url, target):
+    """
+    Use Python to download the file, even though it cannot authenticate the
+    connection.
+    """
+    try:
+        from urllib.request import urlopen
+    except ImportError:
+        from urllib2 import urlopen
+    src = dst = None
+    try:
+        src = urlopen(url)
+        # Read/write all in one block, so we don't create a corrupt file
+        # if the download is interrupted.
+        data = src.read()
+        dst = open(target, "wb")
+        dst.write(data)
+    finally:
+        if src:
+            src.close()
+        if dst:
+            dst.close()
+
+download_file_insecure.viable = lambda: True
+
+def get_best_downloader():
+    downloaders = [
+        download_file_powershell,
+        download_file_curl,
+        download_file_wget,
+        download_file_insecure,
+    ]
+
+    for dl in downloaders:
+        if dl.viable():
+            return dl
+
+def download_setuptools(version=DEFAULT_VERSION, download_base=DEFAULT_URL,
+        to_dir=os.curdir, delay=15, downloader_factory=get_best_downloader):
+    """
+    Download setuptools from a specified location and return its filename
+
+    `version` should be a valid setuptools version number that is available
+    as an egg for download under the `download_base` URL (which should end
+    with a '/'). `to_dir` is the directory where the egg will be downloaded.
+    `delay` is the number of seconds to pause before an actual download
+    attempt.
+
+    ``downloader_factory`` should be a function taking no arguments and
+    returning a function for downloading a URL to a target.
+    """
+    # making sure we use the absolute path
+    to_dir = os.path.abspath(to_dir)
+    zip_name = "setuptools-%s.zip" % version
+    url = download_base + zip_name
+    saveto = os.path.join(to_dir, zip_name)
+    if not os.path.exists(saveto):  # Avoid repeated downloads
+        log.warn("Downloading %s", url)
+        downloader = downloader_factory()
+        downloader(url, saveto)
+    return os.path.realpath(saveto)
+
+def _build_install_args(options):
+    """
+    Build the arguments to 'python setup.py install' on the setuptools package
+    """
+    return ['--user'] if options.user_install else []
+
+def _parse_args():
+    """
+    Parse the command line for options
+    """
+    parser = optparse.OptionParser()
+    parser.add_option(
+        '--user', dest='user_install', action='store_true', default=False,
+        help='install in user site package (requires Python 2.6 or later)')
+    parser.add_option(
+        '--download-base', dest='download_base', metavar="URL",
+        default=DEFAULT_URL,
+        help='alternative URL from where to download the setuptools package')
+    parser.add_option(
+        '--insecure', dest='downloader_factory', action='store_const',
+        const=lambda: download_file_insecure, default=get_best_downloader,
+        help='Use internal, non-validating downloader'
+    )
+    parser.add_option(
+        '--version', help="Specify which version to download",
+        default=DEFAULT_VERSION,
+    )
+    options, args = parser.parse_args()
+    # positional arguments are ignored
+    return options
+
+def main():
+    """Install or upgrade setuptools and EasyInstall"""
+    options = _parse_args()
+    archive = download_setuptools(
+        version=options.version,
+        download_base=options.download_base,
+        downloader_factory=options.downloader_factory,
+    )
+    return _install(archive, _build_install_args(options))
+
+if __name__ == '__main__':
+    sys.exit(main())
diff --git a/Adafruit_Python_MCP3008/setup.py b/Adafruit_Python_MCP3008/setup.py
new file mode 100644
index 0000000..31bda9c
--- /dev/null
+++ b/Adafruit_Python_MCP3008/setup.py
@@ -0,0 +1,30 @@
+try:
+    # Try using ez_setup to install setuptools if not already installed.
+    from ez_setup import use_setuptools
+    use_setuptools()
+except ImportError:
+    # Ignore import error and assume Python 3 which already has setuptools.
+    pass
+
+from setuptools import setup, find_packages
+
+classifiers = ['Development Status :: 4 - Beta',
+               'Operating System :: POSIX :: Linux',
+               'License :: OSI Approved :: MIT License',
+               'Intended Audience :: Developers',
+               'Programming Language :: Python :: 2.7',
+               'Programming Language :: Python :: 3',
+               'Topic :: Software Development',
+               'Topic :: System :: Hardware']
+
+setup(name              = 'Adafruit_MCP3008',
+      version           = '1.0.2',
+      author            = 'Tony DiCola',
+      author_email      = 'tdicola@adafruit.com',
+      description       = 'Python code to use the MCP3008 analog to digital converter with a Raspberry Pi or BeagleBone black.',
+      license           = 'MIT',
+      classifiers       = classifiers,
+      url               = 'https://github.com/adafruit/Adafruit_Python_MCP3008/',
+      dependency_links  = ['https://github.com/adafruit/Adafruit_Python_GPIO/tarball/master#egg=Adafruit-GPIO-0.6.5'],
+      install_requires  = ['Adafruit-GPIO>=0.6.5'],
+      packages          = find_packages())