選択できるのは25トピックまでです。 トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
 
 
 
 
 
mstroh76 faf5084992
Merge pull request #199 from rafael2k/master
7ヶ月前
.github/workflows First crack at a build workflow 4年前
debian adapting copyright notices 8ヶ月前
debian-template/wiringPi #195 8ヶ月前
devLib Prep for deb release as 2.70 2年前
examples new ISR example/test program 8ヶ月前
gpio #204 8ヶ月前
pins Prep for deb release as 2.70 2年前
wiringPi #208 8ヶ月前
wiringPiD Prep for deb release as 2.70 2年前
.gitignore Build system: Move template-based debian build into debian-template 9年前
COPYING.LESSER New timing methods 12年前
INSTALL V3 8ヶ月前
People prepare v3, fix some docs 9ヶ月前
README.md linked discussions page in README 8ヶ月前
VERSION #204 8ヶ月前
build #195 8ヶ月前
newVersion #195 8ヶ月前
reinstall ubuntu reinstall 8ヶ月前
version.h #204 8ヶ月前

README.md

WiringPi

WiringPi is a performant GPIO access library written in C for Raspberry Pi boards.

⚠️🚧 on Pi5, PWM support is currently under development and will not work at this point. If you’re interested in the progress, please check the corresponding issue.

To compile programs with wiringPi, you need to include wiringPi.h as well as link against wiringPi:

#include <wiringPi.h> // Include WiringPi library!

int main(void)
{
  // uses BCM numbering of the GPIOs and directly accesses the GPIO registers.
  wiringPiSetupGpio();

  // pin mode ..(INPUT, OUTPUT, PWM_OUTPUT, GPIO_CLOCK)
  // set pin 17 to input
  pinMode(17, INPUT);

  // pull up/down mode (PUD_OFF, PUD_UP, PUD_DOWN) => down
  pullUpDnControl(17, PUD_DOWN);

  // get state of pin 17
  int value = digitalRead(17);

  if (HIGH == value)
  {
    // your code
  }
}

To compile this code, link against wiringPi:

gcc -o myapp myapp.c -l wiringPi

Be sure to check out the examples, build them using Make:

cd examples
make <example-name | really-all>

The tool gpio can be used to set single pins as well as get the state of everything at once:

pi@wiringdemo:~ $ gpio readall
 +-----+-----+---------+------+---+---Pi 3B--+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 |     |     |    3.3v |      |   |  1 || 2  |   |      | 5v      |     |     |
 |   2 |   8 |   SDA.1 |   IN | 1 |  3 || 4  |   |      | 5v      |     |     |
 |   3 |   9 |   SCL.1 |   IN | 1 |  5 || 6  |   |      | 0v      |     |     |
 |   4 |   7 | GPIO. 7 |   IN | 0 |  7 || 8  | 0 | IN   | TxD     | 15  | 14  |
 |     |     |      0v |      |   |  9 || 10 | 1 | IN   | RxD     | 16  | 15  |
 |  17 |   0 | GPIO. 0 |   IN | 1 | 11 || 12 | 1 | IN   | GPIO. 1 | 1   | 18  |
 |  27 |   2 | GPIO. 2 |   IN | 1 | 13 || 14 |   |      | 0v      |     |     |
 |  22 |   3 | GPIO. 3 |   IN | 1 | 15 || 16 | 0 | IN   | GPIO. 4 | 4   | 23  |
 |     |     |    3.3v |      |   | 17 || 18 | 1 | IN   | GPIO. 5 | 5   | 24  |
 |  10 |  12 |    MOSI |   IN | 0 | 19 || 20 |   |      | 0v      |     |     |
 |   9 |  13 |    MISO |   IN | 0 | 21 || 22 | 1 | IN   | GPIO. 6 | 6   | 25  |
 |  11 |  14 |    SCLK |   IN | 0 | 23 || 24 | 1 | IN   | CE0     | 10  | 8   |
 |     |     |      0v |      |   | 25 || 26 | 0 | IN   | CE1     | 11  | 7   |
 |   0 |  30 |   SDA.0 |   IN | 1 | 27 || 28 | 1 | IN   | SCL.0   | 31  | 1   |
 |   5 |  21 | GPIO.21 |   IN | 0 | 29 || 30 |   |      | 0v      |     |     |
 |   6 |  22 | GPIO.22 |   IN | 0 | 31 || 32 | 1 | IN   | GPIO.26 | 26  | 12  |
 |  13 |  23 | GPIO.23 |   IN | 1 | 33 || 34 |   |      | 0v      |     |     |
 |  19 |  24 | GPIO.24 |   IN | 1 | 35 || 36 | 1 | IN   | GPIO.27 | 27  | 16  |
 |  26 |  25 | GPIO.25 |   IN | 1 | 37 || 38 | 1 | IN   | GPIO.28 | 28  | 20  |
 |     |     |      0v |      |   | 39 || 40 | 1 | IN   | GPIO.29 | 29  | 21  |
 +-----+-----+---------+------+---+----++----+---+------+---------+-----+-----+
 | BCM | wPi |   Name  | Mode | V | Physical | V | Mode | Name    | wPi | BCM |
 +-----+-----+---------+------+---+---Pi 3B--+---+------+---------+-----+-----+

Installing

You can either build it yourself or use the prebuilt binaries:

From Source

  1. create debian-package
# fetch the source
sudo apt install git
git clone https://github.com/WiringPi/WiringPi.git
cd WiringPi

# build the package
./build debian
mv debian-template/wiringpi-3.0-1.deb .

# install it
sudo apt install ./wiringpi-3.0-1.deb

Prebuilt Binaries

Grab the latest release from here.

Unzip/use the portable prebuilt verison:

# unzip the archive
tar -xfv wiringpi_3.0.tar.gz

Install the debian package:

# install a dpkg
sudo apt install ./wiringpi-3.0-1.deb

Ports

wiringPi has been wrapped for multiple languages:

Support

Please use the issue system of GitHub.

If you’re not sure whether to create an issue or not, please engage in discussions!

Please do not email Gordon or @Gadgetoid.

Please don’t email GC2 for reporting issues, you might contact us for anything that’s not meant for the public.

History

This repository is the continuation of ‘Gordon’s wiringPi’ which has been deprecated, a while ago.

  • The last “old wiringPi” source of Gordon’s release can be found at the final_source_2.50 tag.
  • The default master branch contains code that has been written since version 2.5 to provide support for newer hardware as well as new features.

ℹ️️ Since 2024, GC2 has taken over maintenance of the project, supporting new OS versions as well as current hardware generations. We are dedicated to keeping the arguably best-performing GPIO Library for Raspberry Pi running smoothly. We strive to do our best, but please note that this is a community effort, and we cannot provide any guarantees or take responsibility for implementing specific features you may need.

Debug

WIRINGPI_DEBUG=1 ./my_wiringpi_program

WIRINGPI_DEBUG=1 gpio readall