arduino/ArduinoCore-API

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Hardware independent layer of the Arduino cores defining the official API

Stars: 306
Forks: 150
Open beginner issues: 0
Indexed issues: 102

Dominant language: C++
License: LGPL-2.1
Last GitHub push: Oct 12, 2025
Latest indexed: Sep 14, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

Open All

102 issues indexed so far

shiftIn and shiftOut do not work with SPI_MODE 3 and 4 Open

arduino/ArduinoCore-API#94 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SPI library does not have functions for sending or receiving data blocks Open

arduino/ArduinoCore-API#90 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
I2S API missing Open

arduino/ArduinoCore-API#24 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Breakage caused by PinStatus and PinMode types Open

bug

arduino/ArduinoCore-API#25 · 69 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
extension request: preemptive multithreading lib for M0, M3, M4 (like std::thread, ftrias/TeensyThreads, ESP32) Open

arduino/ArduinoCore-API#91 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature Request] Make Wire library methods virtual Open

arduino/ArduinoCore-API#31 · 6 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Add `Print::printf` Open

enhancement

arduino/ArduinoCore-API#32 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add & expand analog resolution API Open

arduino/ArduinoCore-API#33 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Should provide DMA library Open

arduino/ArduinoCore-API#93 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Wire.requestFrom with 5 params is undocumented & exists only on AVR & SAM, not SAMD & megaAVR Open

arduino/ArduinoCore-API#92 · 2 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Improved print formatting Open

enhancement

arduino/ArduinoCore-API#34 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Add license for all files in the ArduinoCore-API repo Open

arduino/ArduinoCore-API#35 · 0 comments · 3 reactions · 0 assignees · Indexed Sep 14, 2026
add pin open-drian and push-pull mode Open

arduino/ArduinoCore-API#36 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
String.h conflicts with <string.h> on case insensitive filesystems Open

arduino/ArduinoCore-API#37 · 18 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
Convert existing cores Open

arduino/ArduinoCore-API#95 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
attachInterrupt implementation remarks Open

arduino/ArduinoCore-API#99 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Stream.h] make MultiTarget and findMulti public Open

arduino/ArduinoCore-API#105 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
refactor the use of g_APinDescription ? Open

arduino/ArduinoCore-API#106 · 1 comment · 3 reactions · 0 assignees · Indexed Sep 14, 2026
force new enums for pinMode and pinStatus to 8 bits type instead of default int Open

arduino/ArduinoCore-API#109 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
add isFlushed() to Stream/HardwareSerial Open

arduino/ArduinoCore-API#110 · 0 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Uninitalised memory when copying String with embedded NUL character Open

arduino/ArduinoCore-API#111 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
String == String does not work with embedded NUL characters Open

arduino/ArduinoCore-API#112 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
File base class Open

arduino/ArduinoCore-API#114 · 2 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
Public API to increase buffer sizes Open

arduino/ArduinoCore-API#115 · 0 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
Stream::find() not working for values above 0x7F Open

arduino/ArduinoCore-API#119 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Please consider refining (reorganizing/documenting) core headers to aid in their explicit inclusion ... Open

arduino/ArduinoCore-API#121 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Porting guide Open

arduino/ArduinoCore-API#124 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Adding digitalToggle to core? Open

enhancement

arduino/ArduinoCore-API#130 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature request : Add parseHex() to serial library Open

arduino/ArduinoCore-API#134 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Each core provides a different USBAPI Open

arduino/ArduinoCore-API#141 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
Prevent wakeup on ext int Open

arduino/ArduinoCore-API#145 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Arduino String class: features missing (feature request) Open

arduino/ArduinoCore-API#152 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Extend String to print 64-bit integers Open

arduino/ArduinoCore-API#156 · 1 comment · 1 reaction · 0 assignees · Indexed Sep 14, 2026
String move() and String(String &&rval) breaks operation of reserve() Open

arduino/ArduinoCore-API#161 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Dubious code in printFloat(double number, uint8_t digits) Open

bug

arduino/ArduinoCore-API#172 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
String::toInt() and atol() behave different on different platforms with a number that is too large. Open

bug

arduino/ArduinoCore-API#175 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Add "streaming" syntax support to Print class Open

enhancement

arduino/ArduinoCore-API#180 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[Feature Request] timer interrupt callback function Open

enhancement

arduino/ArduinoCore-API#182 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Should SPI `attachInterrupt()` and `detachInterrupt()` be removed? Open

enhancement

arduino/ArduinoCore-API#183 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Detecting errors in String operations Open

arduino/ArduinoCore-API#186 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Clean up use of sprintf Open

arduino/ArduinoCore-API#209 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
IPAddress toString should use existing printTo algorithm and conform to RFC 5952 canonical format for IPv6 addresses Open

enhancement

arduino/ArduinoCore-API#228 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Feature Request - add "remote" member to the CanMsg class to denote Remote Transfer Request (RTR) frames Open

enhancement

arduino/ArduinoCore-API#230 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
String object, len is of type unsigned int, however indexOf() and lastIndexOf() return int Open

bug

arduino/ArduinoCore-API#239 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
SPI API add void transfer(const void *tx_buffer, void *rx_buffer, size_t count); Open

enhancement

arduino/ArduinoCore-API#243 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
API Improvement - Wire Library Open

enhancement

arduino/ArduinoCore-API#244 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
integer to binary array conversion Open

enhancement

arduino/ArduinoCore-API#247 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Always true condition in IPAddress string-to-ipv6 conversion Open

bug

arduino/ArduinoCore-API#249 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Use modern C++ casts instead of current C-style casting approaches Open

enhancement

arduino/ArduinoCore-API#250 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
In stream.cpp add readln, to simplify reading Windows and Linux text files Open

enhancement

arduino/ArduinoCore-API#251 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026

arduino/ArduinoCore-API

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