{
    "info": {
        "author": "Stefan Mavrodiev",
        "author_email": "support@olimex.com",
        "bugtrack_url": null,
        "classifiers": [
            "Development Status :: 3 - Alpha",
            "Environment :: Console",
            "Intended Audience :: Developers",
            "Intended Audience :: Education",
            "License :: OSI Approved :: MIT License",
            "Operating System :: POSIX :: Linux",
            "Programming Language :: Python",
            "Topic :: Home Automation",
            "Topic :: Software Development :: Embedded Systems"
        ],
        "description": "This package provide methods for controlling GPIO pins, I2C and SPI buses.\nThis is written for A20-OLinuXino-LIME2, but it can be used with other boards. If you do\nthis we cannot guarantee proper operation of the module. Before using this\npackage we recommend reading the article at olimex wiki:\n\nhttps://www.olimex.com/wiki/A20-OLinuXino-LIME2\n\nWhen using GPIO make sure that the desired gpio is not used by another periphery.\n\nGPIO METHODS\n============\n\n    init()      -   Make initialization of the module. Always 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\n\nThe available constants are:\n\n    NAME        -   EQUALS TO\n    ====            =========\n    HIGH        ->      1\n    LOW         ->      0\n    INPUT       ->      0\n    OUPTUT      ->      1\n    PULLUP      ->      1\n    PULLDOWN    ->      2\n\n\nThe gpio are named two ways:\n\n    By port name: PH0, PG2, PE10, etc.\n    These can be imported from port module:\n\n    >>> from pyA20Lime2.gpio import port\n    >>> dir(port)\n\n    By connector name and pin number: gpio2p12, gpio3p8, etc.\n    These can be imported from connector module:\n\n    >>> from pyA20Lime2.gpio import connector\n    >>> dir(connector)\n\nGenerally these constants are just an offset in the memory from the base GPIO address, so they can\nbe assigned to a number type variable.\n\n    >>> led = port.PH2\n    >>> print led\n    226\n\n\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\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\n\n\nExamples\n========\n\nGPIO::\n\n    #!/usr/bin/env python\n\n    from pyA20Lime2.gpio import gpio\n    from pyA20Lime2.gpio import port\n    from pyA20Lime2.gpio import connector\n\n    gpio.init() #Initialize module. Always called first\n\n    gpio.setcfg(port.PG9, gpio.OUTPUT)  #Configure LED1 as output\n    gpio.setcfg(port.PG9, 1)    #This is the same as above\n\n    gpio.setcfg(port.PE11, gpio.INPUT)   #Configure PE11 as input\n    gpio.setcfg(port.PE11, 0)   #Same as above\n\n    gpio.pullup(port.PE11, 0)   #Clear pullups\n    gpio.pullup(port.PE11, gpio.PULLDOWN)    #Enable pull-down\n    gpio.pullup(port.PE11, gpio.PULLUP)  #Enable pull-up\n\n    while True:\n        if gpio.input(port.PE11) == 1:\n            gpio.output(port.PG9, gpio.LOW)\n            gpio.output(port.PG9, 0)\n        else:\n            gpio.output(port.PG9, gpio.HIGH)\n            gpio.output(port.PG9, 1)\n\n\nI2C::\n\n    #!/usr/bin/env python\n\n    from pyA20Lime2 import i2c\n\n    i2c.init(\"/dev/i2c-2\")  #Initialize module to use /dev/i2c-2\n    i2c.open(0x55)  #The slave device address is 0x55\n\n    #If we want to write to some register\n    i2c.write([0xAA, 0x20]) #Write 0x20 to register 0xAA\n    i2c.write([0xAA, 0x10, 0x11, 0x12]) #Do continuous write with start address 0xAA\n\n    #If we want to do write and read\n    i2c.write([0xAA])   #Set address at 0xAA register\n    value = i2c.read(1) #Read 1 byte with start address 0xAA\n\n    i2c.close() #End communication with slave device\n\n\nSPI::\n\n    #!/usr/bin/env python\n\n    from pyA20Lime2 import spi\n\n    spi.open(\"/dev/spidev2.0\")\n    #Open SPI device with default settings\n    # mode : 0\n    # speed : 100000kHz\n    # delay : 0\n    # bits-per-word: 8\n\n    #Different ways to open device\n    spi.open(\"/dev/spidev2.0\", mode=1)\n    spi.open(\"/dev/spidev2.0\", mode=2, delay=0)\n    spi.open(\"/dev/spidev2.0\", mode=3, delay=0, bits_per_word=8)\n    spi.open(\"/dev/spidev2.0\", mode=0, delay=0, bits_per_word=8, speed=100000)\n\n    spi.write([0x01, 0x02]) #Write 2 bytes to slave device\n    spi.read(2) #Read 2 bytes from slave device\n    spi.xfer([0x01, 0x02], 2)   #Write 2 byte and then read 2 bytes.\n\n    spi.close() #Close SPI bus\n\n\nIt's important that you run your python script as root!\n    \n\n    \nChangelog\n=========\n    * pyAA20Lime2 0.2.1 (30 JUN 2015)\n        * Fixed issue with SPI xfer function\n\n    * pyA20Lime2 0.2.0 (3 SEP 2014)\n        * Initial release",
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