apache/nuttx

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Apache NuttX is a mature, real-time embedded operating system (RTOS)

Stars: 4k
Forks: 1.7k
Open beginner issues: 0
Indexed issues: 622
Avg merge: 1d 17h
Merged PRs (30d): 237

Dominant language: C
License: Apache-2.0
Last GitHub push: Sep 14, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed

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619 open issues indexed

[BUG] vt100.h macro definition errors? Open

Arch: all OS: Linux Type: Bug

apache/nuttx#15933 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] drivers/contactless/PN532: Incorrect UID Readings, Timeouts, and Documentation issues Open

Arch: all Area: Drivers OS: Linux Type: Bug

apache/nuttx#15942 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] connecting the wifi network to a accespoint breaks espnow communication Open

Arch: xtensa Area: Networking OS: Linux Type: Bug

apache/nuttx#15973 · 2 comments · 1 reaction · 1 assignee · Indexed Sep 14, 2026
[HELP] menuconfig compiling errors about kconfig Open

Community: Question

apache/nuttx#15984 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] Usage of CMAKE_SYSTEM_PROCESSOR Open

Community: Question

apache/nuttx#16003 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Framebuffer driver is sent unknown IOCTL causing error message if graphics debug enabled Open

Arch: arm Area: Drivers OS: Linux Type: Bug

apache/nuttx#16020 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Common ioctl API for Contactless (NFC&RFID) cards and readers Open

Type: Enhancement

apache/nuttx#16036 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[BUG] `stat()` does not work on flash partition with BCH layer Open

Arch: all Area: Drivers Area: Kernel OS: Linux Type: Bug

apache/nuttx#16074 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] Proper multi-directory custom app integration Open

Community: Question

apache/nuttx#16093 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] NUCLEO-STM32F767zi can not initialize /dev/buttons Open

Arch: arm Area: Board support OS: Linux Type: Bug

apache/nuttx#16097 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] [spinlock] spin_lock should imply sched_lock to avoid dead lock Open

Arch: all Arch: arm Area: Kernel OS: Linux Type: Bug

apache/nuttx#16107 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] <ReleaseNotes> Shall we have a summary/highlight new features in new nuttx version ReleaseNotes Open

Community: Question

apache/nuttx#16124 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] RP2350 ostest stuck when SMP enabled Open

Arch: arm Area: Kernel OS: Linux Type: Bug

apache/nuttx#16133 · 26 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] `dhcpd_stop()` does not return if no packets were received (recv blocking behavior) Open

Community: Question

apache/nuttx#16135 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] RP2040 ostest fail when usb data is connected Open

Arch: arm Area: Kernel OS: Other Type: Bug

apache/nuttx#16139 · 9 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] SD Card imxrt_dmapreflight: dcache unaligned buffer:0x202458b8 end:0x20245ab7 Open

Community: Question

apache/nuttx#16159 · 9 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[13.0] CRC cleanup. Open

Type: Enhancement

apache/nuttx#16174 · 1 comment · 1 reaction · 1 assignee · Indexed Sep 14, 2026
[HELP] Encapsulating Kconfig options in Arch files Open

Community: Question

apache/nuttx#16202 · 2 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[HELP] disassemble output of xtensa gdb is not understandable Open

Community: Question

apache/nuttx#16235 · 11 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[BUG] NXStyle is not getting braces declaration violation Open

Arch: all OS: Linux Type: Bug

apache/nuttx#16246 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] STM32H5 DMA Driver Open

Type: Enhancement

apache/nuttx#16248 · 7 comments · 1 reaction · 0 assignees · Indexed Sep 14, 2026
[BUG] NXStyle is not reporting up case hexadecimals Open

Arch: all OS: Linux Type: Bug

apache/nuttx#16249 · 7 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] Use cases for different sleep/delay functions Open

Community: Question

apache/nuttx#16259 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] raspberrypi pico w/2/2w firmware flashing automation with make flash Open

Type: Enhancement

apache/nuttx#16271 · 17 comments · 1 reaction · 2 assignees · Indexed Sep 14, 2026
[BUG] qemu riscv64 bootup hang Open

Arch: risc-v Area: Kernel OS: Linux Type: Bug

apache/nuttx#16272 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Actions list to improve NuttX quality and reliability Open

Type: Enhancement

apache/nuttx#16278 · 18 comments · 7 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] RP2040 Unstability, garbled NSH Open

Arch: arm Area: Kernel OS: Linux OS: Other Type: Bug

apache/nuttx#16305 · 18 comments · 4 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] STM32H7 QuadSPI QUADSPI_CR register doesn't have QSPI_CR_DMAEN Open

Arch: arm Area: Configuring Area: Drivers OS: Linux Type: Bug

apache/nuttx#16366 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] NXStyle is not catching brackets starting in the same line Open

Arch: all OS: Linux Type: Bug

apache/nuttx#16367 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Please Support Software Breakpoints Open

Type: Enhancement

apache/nuttx#16409 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] The design issues regarding DMA alignment in device drivers Open

Type: Enhancement

apache/nuttx#16415 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] STM32H5 __start failure when debugging and flash banks are swapped Open

Arch: arm Area: Drivers OS: Linux Type: Bug

apache/nuttx#16416 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Default configuration values hardcoded in code Open

Arch: all Area: Configuring OS: Linux Type: Bug

apache/nuttx#16420 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] nat_port_select() returned value not safe Open

Arch: arm Area: Networking OS: Other Type: Bug

apache/nuttx#16429 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] Signal action handlers executed in critical section Open

Arch: all Area: Kernel OS: Linux Type: Bug

apache/nuttx#16430 · 4 comments · 2 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] NuttX Documentation improvement Open

Type: Enhancement

apache/nuttx#16432 · 15 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] reboot (BOARDIOC_RESET) fails on rp2040 with SMP enabled Open

Arch: arm Area: Board support OS: Linux Type: Bug

apache/nuttx#16480 · 3 comments · 0 reactions · 1 assignee · Indexed Sep 14, 2026
[BUG] I2C & SPI Tool crash system with SMP enabled Open

Arch: risc-v Area: OS Components OS: Linux Type: Bug

apache/nuttx#16501 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Why isn't multicast loopback switched on by default? Open

Community: Question Type: Enhancement

apache/nuttx#16504 · 10 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] nxffs test Open

Arch: arm64 Area: File System OS: Linux Type: Bug

apache/nuttx#16528 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] SD card issue: Assertion failure in stm32_sdmmc.c on STM32 due to timeout Open

Arch: arm Area: Specific Peripheral OS: Other Type: Bug

apache/nuttx#16551 · 6 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Is it possible to add audio support to ESP32S3-BOX? Open

Type: Enhancement

apache/nuttx#16636 · 5 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
Migrating boards to a common USB host waiter Open

Area: Board support Area: USB Type: Enhancement

apache/nuttx#16678 · 0 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[FEATURE] Polling support for Unix datagram sockets Open

Type: Enhancement

apache/nuttx#16688 · 2 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] getaddrinfo doesn't fill ai_protocol Open

Arch: simulator Area: Networking OS: Mac Type: Bug

apache/nuttx#16693 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] SAMD51 Low power mode Open

Community: Question

apache/nuttx#16736 · 4 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] profile: compilation fails ("cannot honor width suffix", 2nd edition) Open

Arch: arm Area: Debugging OS: Linux Type: Bug

apache/nuttx#16739 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] cdcacm_initialize() not declared in stm32_bringup Open

Arch: arm Area: Drivers OS: Linux Type: Bug

apache/nuttx#16757 · 1 comment · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[BUG] esp-hal-3rdparty conflicts with unrelated things Open

Arch: xtensa Area: Build system Area: Drivers OS: Mac Type: Bug

apache/nuttx#16770 · 3 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026
[HELP] stm32f411-minimum board USB device CDC/ACM nsh console Open

Community: Question

apache/nuttx#16774 · 8 comments · 0 reactions · 0 assignees · Indexed Sep 14, 2026

apache/nuttx

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