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A python interface to WiringPi 2.0 library which allows for easily interfacing with the GPIO pins of the Raspberry Pi. Also supports i2c and SPI

Project Description

# WiringPi for Python

WiringPi: An implementation of most of the Arduino Wiring
functions for the Raspberry Pi

WiringPi implements new functions for managing IO expanders.

# Quick Build

A quick and dirty build script is supplied to install WiringPi-Python for Python 2 and 3. Just:

` git clone --recursive https://github.com/WiringPi/WiringPi-Python.git cd WiringPi-Python ./build.sh `

# Manual Build

## Get/setup repo `bash git clone --recursive https://github.com/WiringPi/WiringPi-Python.git cd WiringPi-Python git submodule update --init `

## Prerequisites To rebuild the bindings you must first have python-dev, python-setuptools and swig installed. `bash sudo apt-get install python-dev python-setuptools swig `

## Build WiringPi `bash cd WiringPi sudo ./build `

## Generate Bindings

Return to the root directory of the repository and:

swig2.0 -python wiringpi.i

or

swig3.0 -thread -python wiringpi.i

## Build & install with

sudo python setup.py install

Or Python 3:

sudo python3 setup.py install

## Usage

import wiringpi

wiringpi.wiringPiSetup() # For sequential pin numbering, one of these MUST be called before using IO functions # OR wiringpi.wiringPiSetupSys() # For /sys/class/gpio with GPIO pin numbering # OR wiringpi.wiringPiSetupGpio() # For GPIO pin numbering

Setting up IO expanders (This example was tested on a quick2wire board with one digital IO expansion board connected via I2C):

wiringpi.mcp23017Setup(65,0x20) wiringpi.pinMode(65,1) wiringpi.digitalWrite(65,1)

General IO:

wiringpi.pinMode(6,1) # Set pin 6 to 1 ( OUTPUT ) wiringpi.digitalWrite(6,1) # Write 1 ( HIGH ) to pin 6 wiringpi.digitalRead(6) # Read pin 6

Setting up a peripheral: WiringPi2 supports expanding your range of available “pins” by setting up a port expander. The implementation details of your port expander will be handled transparently, and you can write to the additional pins ( starting from PIN_OFFSET >= 64 ) as if they were normal pins on the Pi.

wiringpi.mcp23017Setup(PIN_OFFSET,I2C_ADDR)

Soft Tone

Hook a speaker up to your Pi and generate music with softTone. Also useful for generating frequencies for other uses such as modulating A/C.

wiringpi.softToneCreate(PIN) wiringpi.softToneWrite(PIN,FREQUENCY)

Bit shifting:

wiringpi.shiftOut(1,2,0,123) # Shift out 123 (b1110110, byte 0-255) to data pin 1, clock pin 2

Serial:

serial = wiringpi.serialOpen(‘/dev/ttyAMA0’,9600) # Requires device/baud and returns an ID wiringpi.serialPuts(serial,”hello”) wiringpi.serialClose(serial) # Pass in ID

Full details at: http://www.wiringpi.com

Release History

Release History

This version
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2.44.0

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2.32.1

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1.0.5

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1.0.4

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1.0.3

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1.0.2

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1.0.1

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1.0

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
wiringpi-2.44.0.tar.gz (118.2 kB) Copy SHA256 Checksum SHA256 Source Apr 30, 2017

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