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    "info": {
        "author": "Stefan Mavrodiev",
        "author_email": "stefan@olimex.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 3 - Alpha",
            "Environment :: Console",
            "Intended Audience :: Developers",
            "Intended Audience :: Education",
            "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
            "Operating System :: POSIX :: Linux",
            "Programming Language :: Python",
            "Topic :: Home Automation",
            "Topic :: Software Development :: Embedded Systems"
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        "description": "pyA20\n=====\n\n|Build Status|\n\nDescription\n-----------\n\nThe package provide methods for controlling GPIO pins, I2C and SPI\nbuses. It's written for\n`A20-OLinuXino-MICRO <https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXino-MICRO/open-source-hardware>`__,\nbut it can be used with other boards. In this case proper operation is\nnot guaranteed. You can check\n`wiki <https://www.olimex.com/wiki/A20-OLinuXino-MICRO>`__ for more\ninformation.\n\n**Notes**:\n\n\t* When using GPIO make sure that the desired gpio is not used by another periphery.\n\t* Using this library requires root access.\n\nGPIO methods\n------------\n\nThe following methods are available:\n\n* **init()** - Make initialization of the module. Must be called first.\n* **getcfg()** - Read current configuration of gpio.\n* **setcfg()** - Write configuration to gpio.\n* **input()** - Return current value of gpio.\n* **output()** - Set output value.\n* **pullup()** - Set pull-up/pull-down.\n\nThe available constants are:\n\n* **HIGH** - 1\n* **LOW** - 0\n* **INPUT** - 0\n* **OUPTUT** - 1\n* **PULLUP** - 1\n* **PULLDOWN** - 2\n\nThe gpio are named two ways:\n\n* By port name: PH0, PG2, PE10, etc. These can be imported from port module:\n\n.. code:: python\n\n\t>>> from pyA20.gpio import port\n\t>>> dir(port)\n\n* By connector name and pin number: gpio2p12, gpio3p8, lcdp18, uext1p3 and etc:\n\n.. code:: python\n\n\t>>> from pyA20.gpio import connector\n\t>>> dir(connector)\n\nGenerally these constants are just an offset in the memory from the base\nGPIO address, so they can be assigned to a number type variable.\n\n.. code:: python\n\n\t>>> led = port.PH2\n\t>>> print led\n\t226\n\nI2C methods\n-----------\n\n-  **init()** - Make initialization of the module\n-  **open()** - Begin communication with slave device\n-  **read()** - Read from slave device\n-  **write()** - Write data to slave device\n-  **close()** - End communication with slave device\n\nSPI methods\n-----------\n\n-  **open()** - Open SPI bus with given configuration\n-  **read()** - Read data from slave device without write\n-  **write()** - Write data to slave device without read\n-  **xfer()** - Do write and after that read\n-  **close()** - Close SPI bus\n\nExamples\n--------\n\nGPIO\n~~~~\n\nThe example consist of: \\* Initialize gpio module \\* Initialize one gpio\nas output and another one as input \\* Polling input state and write\ncorresponding output value\n\n.. code:: python\n\n\t#!/usr/bin/env python\n\n\tfrom pyA20.gpio import gpio\n\tfrom pyA20.gpio import port\n\tfrom pyA20.gpio import connector\n\n\tgpio.init() #Initialize module. Always called first\n\n\tgpio.setcfg(port.PG9, gpio.OUTPUT)  #Configure LED1 as output\n\tgpio.setcfg(port.PG9, 1)    #This is the same as above\n\n\tgpio.setcfg(port.PE11, gpio.INPUT)   #Configure PE11 as input\n\tgpio.setcfg(port.PE11, 0)   #Same as above\n\n\tgpio.pullup(port.PE11, 0)   #Clear pullups\n\tgpio.pullup(port.PE11, gpio.PULLDOWN)    #Enable pull-down\n\tgpio.pullup(port.PE11, gpio.PULLUP)  #Enable pull-up\n\n\twhile True:\n\t\tif gpio.input(port.PE11) == 1:\n\t\t\tgpio.output(port.PG9, gpio.LOW)\n\t\t\tgpio.output(port.PG9, 0)\n\t\telse:\n\t\t\tgpio.output(port.PG9, gpio.HIGH)\n\t\t\tgpio.output(port.PG9, 1)\n\nI2C\n~~~\n\nIn this example: \\* I2C module is imported \\* Bus number 2 is opened \\*\nSome data is written, then verified\n\n.. code:: python\n\n\t#!/usr/bin/env python\n\n\tfrom pyA20.i2c import i2c\n\n\ti2c.init(\"/dev/i2c-2\")  #Initialize module to use /dev/i2c-2\n\ti2c.open(0x55)  #The slave device address is 0x55\n\n\t#If we want to write to some register\n\ti2c.write([0xAA, 0x20]) #Write 0x20 to register 0xAA\n\ti2c.write([0xAA, 0x10, 0x11, 0x12]) #Do continuous write with start address 0xAA\n\n\t#If we want to do write and read\n\ti2c.write([0xAA])   #Set address at 0xAA register\n\tvalue = i2c.read(1) #Read 1 byte with start address 0xAA\n\n\ti2c.close() #End communication with slave device\n\nSPI\n~~~\n\nIn ths example: \\* SPI module is imported \\* Bus 2 with chip-select 0 is\nopened \\* Some data is transfered to slave device\n\n.. code:: python\n\n\t#!/usr/bin/env python\n\n\tfrom pyA20.spi import spi\n\n\tspi.open(\"/dev/spidev2.0\")\n\t#Open SPI device with default settings\n\t# mode : 0\n\t# speed : 100000kHz\n\t# delay : 0\n\t# bits-per-word: 8\n\n\t#Different ways to open device\n\tspi.open(\"/dev/spidev2.0\", mode=1)\n\tspi.open(\"/dev/spidev2.0\", mode=2, delay=0)\n\tspi.open(\"/dev/spidev2.0\", mode=3, delay=0, bits_per_word=8)\n\tspi.open(\"/dev/spidev2.0\", mode=0, delay=0, bits_per_word=8, speed=100000)\n\n\tspi.write([0x01, 0x02]) #Write 2 bytes to slave device\n\tspi.read(2) #Read 2 bytes from slave device\n\tspi.xfer([0x01, 0x02], 2)   #Write 2 byte and then read 2 bytes.\n\n\tspi.close() #Close SPI bus\n\nChangelog\n---------\n-  pyA20 0.2.12 (8 DEC 2017)\n\n\t-  Fixed extensions import\n\t-  Update examples\n\n-  pyA20 0.2.11 (21 NOV 2017)\n\n\t-  Fixed mapping on portG\n\t-  Updated README\n\t-  Removed processor checking to allow build scripts\n\t-  Update license\n\n-  pyA20 0.2.0 (02 SEP 2014)\n\n\t-  Updated to enable SPI and I2C control\n\t-  GPIO constant in separate modules\n\t-  Added example files\n\t-  Added support for Python3\n\n.. |Build Status| image:: https://travis-ci.org/StefanMavrodiev/pyA20.svg?branch=master\n   :target: https://travis-ci.org/StefanMavrodiev/pyA20",
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