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WiringPi

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WiringPi
The arguably fastest GPIO Library for the Raspberry Pi

C · 3342 stars

Beginner friendly Everything

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WiringPi will not build on 32-bit buster Open

bug

WiringPi/WiringPi#454 · 2 comments · 1 assignee · Opened Sep 16, 2026
/dev/gpiomem: PWM/CLK/PADS/TIMER access silently aliases GPIO registers instead of failing Open

bug

WiringPi/WiringPi#446 · 1 assignee · Opened Aug 7, 2026
wiringPiGlobalMemoryAccess() reports full access without checking the clock memory region Open

bug

WiringPi/WiringPi#445 · 1 comment · 1 assignee · Opened Aug 7, 2026
Reintroduction of WiringPi as an official Raspberry Pi OS package Open

WiringPi/WiringPi#434 · 3 comments · 1 reaction · 1 assignee · Opened Jul 7, 2026
Unit Test workflow Open

enhancement

WiringPi/WiringPi#425 · 1 assignee · Opened May 24, 2026
Missing I2C Close function Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

WiringPi/WiringPi#404 · Opened Oct 19, 2025
Hardware Memory Struct Headers Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

WiringPi/WiringPi#399 · Opened Sep 5, 2025
googletest Unit-test ISR Open

WiringPi/WiringPi#396 · 1 comment · 1 assignee · Opened Aug 26, 2025
extern variables are not easily accessible from all languages Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WiringPi/WiringPi#391 · Opened Aug 9, 2025
Module setup functions return 0 on failure and 1 on success Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

WiringPi/WiringPi#389 · 2 comments · Opened Aug 3, 2025
WiringPi extension headers pollute /usr/include Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WiringPi/WiringPi#388 · 1 reaction · Opened Aug 3, 2025
pinMode PWM: Unable to do this when using /dev/gpiomem. Try sudo? not working Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

WiringPi/WiringPi#384 · Opened Jul 6, 2025
New delayMicroseconds Open

WiringPi/WiringPi#370 · 1 assignee · Opened Jun 8, 2025
digitalWrite8 and wiringPiSPIxSetup in .h but not in .c Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

WiringPi/WiringPi#348 · 5 comments · Opened May 11, 2025
Improve help message Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

WiringPi/WiringPi#343 · Opened Apr 12, 2025
Problem with GPCLK Open

bug

WiringPi/WiringPi#340 · 1 comment · 1 reaction · 1 assignee · Opened Apr 4, 2025
case label does not reduce to an integer constant Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

WiringPi/WiringPi#336 · 2 comments · Opened Mar 18, 2025
Unable to switch GPIO pin mode from input/output to serial (ttyAMA*) Open

WiringPi/WiringPi#332 · 1 comment · 1 assignee · Opened Mar 12, 2025
Ubuntu Open

WiringPi/WiringPi#317 · 1 assignee · Opened Feb 12, 2025
xhead unit test hardware Open

enhancement

WiringPi/WiringPi#314 · 1 assignee · Opened Feb 9, 2025
Pi 5 / RP1 has bad performance with digitalRead and read/write alternating operations Open

WiringPi/WiringPi#305 · 8 comments · 1 assignee · Opened Jan 5, 2025
alpine docker? Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

WiringPi/WiringPi#299 · Opened Dec 5, 2024
How to set or reset the DTR line ? Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

WiringPi/WiringPi#298 · Opened Dec 4, 2024
Possibility to adjust SPI read-write byte count dynamically Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

WiringPi/WiringPi#293 · 2 comments · Opened Oct 22, 2024
Does this library support cross-build? Open

Difficulty 3/5 1-2 days Newbie friendliness 28/100

WiringPi/WiringPi#292 · 1 comment · 5 reactions · Opened Oct 21, 2024
Missing configuration for pkg-config? Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

WiringPi/WiringPi#291 · Opened Oct 13, 2024
WiringPi in Docker Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

WiringPi/WiringPi#288 · 1 comment · Opened Oct 7, 2024
Support User Space PWM Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

WiringPi/WiringPi#268 · 2 comments · 1 reaction · Opened Aug 27, 2024
Support Raspberry Pi 5 GCLK Open

WiringPi/WiringPi#265 · 3 comments · 1 assignee · Opened Jul 17, 2024
Remove Exit in Library or not? Open

question

Difficulty 5/5 Over a week Newbie friendliness 25/100

WiringPi/WiringPi#252 · Opened Jun 2, 2024
Support for GPIO Character Device Userspace API v2 Open

WiringPi/WiringPi#242 · 1 comment · 1 assignee · Opened May 9, 2024
gpio readall with Kernel Character Device interface Open

WiringPi/WiringPi#241 · 1 assignee · Opened May 9, 2024
If full user-level GPIO access is not working fallback to basic access with /dev/gpiomem Open

enhancement

WiringPi/WiringPi#232 · 1 comment · 1 assignee · Opened May 3, 2024
Sensor READ fails on even number of reads Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 30/100

WiringPi/WiringPi#220 · 2 comments · Opened Apr 12, 2024
Error in openSUSE tumbleweed，4B Open

triage

Difficulty 4/5 3-5 days Newbie friendliness 35/100

WiringPi/WiringPi#218 · 11 comments · Opened Apr 11, 2024
pinMode PWM: Unable to do this when using /dev/gpiomem. Try sudo? Open

bug has workaround

Difficulty 4/5 3-5 days Newbie friendliness 25/100

WiringPi/WiringPi#211 · 6 comments · Opened Mar 29, 2024

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