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cffi-based Python bindings for FreeBSD GPIO

Project description

Requirements:

  • Python 2.7 or 3.4
  • cffi

How to install

Python package on FreeBSD 11 have problem when using python source that needed to compile thing, so the easiest way is to use the binary packages uploaded to pypi:

pip install --only-binary freebsd-11 fbsd_gpio

How to use

The fbsd_gpio module expose two classes, GpioController and GpioPin

Use gpio controller unit 0 (/dev/gpioc0) and list all the pins name:

from fbsd_gpio import GpioController

gpioc = GpioController(0)
for pin in gpioc:
    print(pin)

Set pin 127 to output and logical value 1

from fbsd_gpio import GpioController, GPIO_VALUE_HIGH

gpioc = GpioController(0)
gpioc.pin_output(127)
# The two following lines are equivalent
gpioc.pin_set(127, GPIO_VALUE_HIGH)
gpioc.pin_high(127)

Alternativelly you can use the GpioPin class:

from fbsd_gpio import GpioPin, GPIO_VALUE_HIGH

pin = GpioPin(127, unit=0)
pin.ouput = True
# The following lines are equivalent
pin.set(GPIO_VALUE_HIGH)
pin.high()
pin(GPIO_VALUE_HIGH)

Or use the name of the pin directly:

from fbsd_gpio import GpioController, GPIO_VALUE_HIGH

gpioc = GpioController(0)
gpioc.gpioled0.output = True
# The three following lines are equivalent
gpioc.gpioled.set(GPIO_VALUE_HIGH)
gpioc.gpioled0.high()
gpioc.gpioled0(GPIO_VALUE_HIGH)

Get the value of a pin:

from fbsd_gpio import GpioPin

pin = GpioPin(128, unit=0)
if pin.input:
    print('Pin is input mode')
else
    print('Pin is output mode')
# The two following lines are equivalent
    value = pin.get()
    value = pin()

Toggle the value of a pin:

from fbsd_gpio import GpioPin

pin = GpioPin(128, unit=0)
pin.toggle()

Change the name of a pin:

from fbsd_gpio import GpioPin

pin = GpioPin(128, unit=0)
pin.name = 'green_led'

Project details


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0.5.0

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Filename, size & hash SHA256 hash help File type Python version Upload date
fbsd_gpio-0.5.0.freebsd-11.0-CURRENT-arm-py27.tar.gz (14.4 kB) Copy SHA256 hash SHA256 Dumb Binary 2.7 Apr 2, 2016
fbsd_gpio-0.5.0.freebsd-11.0-CURRENT-arm-py34.tar.gz (15.2 kB) Copy SHA256 hash SHA256 Dumb Binary 3.4 Apr 2, 2016
fbsd_gpio-0.5.0.tar.gz (5.3 kB) Copy SHA256 hash SHA256 Source None Apr 2, 2016

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