dongjiuzhu1
0fb1dc2b93
nxsem_wait nuttx/sched/semaphore/sem_wait.c:176 nxmutex_lock nuttx/libs/libc/misc/lib_mutex.c:204 (discriminator 2) pipecommon_write nuttx/drivers/pipes/pipe_common.c:538 (discriminator 2) file_write nuttx/fs/vfs/fs_write.c:91 write nuttx/include/unistd.h:523 (discriminator 2) nxsig_deliver nuttx/sched/signal/sig_deliver.c:170 (discriminator 4) arm_sigdeliver nuttx/arch/arm/src/armv7-a/arm_sigdeliver.c:107 irq_waitlock nuttx/sched/irq/irq_csection.c:204 nxsem_post nuttx/sched/semaphore/sem_post.c:86 (discriminator 2) nxmutex_unlock nuttx/libs/libc/misc/lib_mutex.c:339 (discriminator 2) pipecommon_poll nuttx/drivers/pipes/pipe_common.c:769 file_poll nuttx/fs/vfs/fs_poll.c:321 poll_fdsetup nuttx/fs/vfs/fs_poll.c:194 poll nuttx/include/sys/poll.h:164 uv_run apps/system/libuv/libuv/src/unix/core.c:449 adb_hal_run apps/system/adb/microADB/hal/hal_uv.c:76 adbd_main apps/system/adb/adb_main.c:157 nxtask_startup nuttx/libs/libc/sched/task_startup.c:70 (discriminator 2) nxtask_start nuttx/sched/task/task_start.c:134 Signed-off-by: dongjiuzhu1 <dongjiuzhu1@xiaomi.com>
Apache NuttX is a real-time operating system (RTOS) with an emphasis on standards compliance and small footprint. Scalable from 8-bit to 64-bit microcontroller environments, the primary governing standards in NuttX are POSIX and ANSI standards. Additional standard APIs from Unix and other common RTOSs (such as VxWorks) are adopted for functionality not available under these standards, or for functionality that is not appropriate for deeply-embedded environments (such as fork()).
For brevity, many parts of the documentation will refer to Apache NuttX as simply NuttX.
Getting Started
First time on NuttX? Read the Getting Started guide! If you don't have a board available, NuttX has its own simulator that you can run on terminal.
Documentation
You can find the current NuttX documentation on the Documentation Page.
Alternatively, you can build the documentation yourself by following the Documentation Build Instructions.
The old NuttX documentation is still available in the Apache wiki.
Supported Boards
NuttX supports a wide variety of platforms. See the full list on the Supported Platforms page.
Contributing
If you wish to contribute to the NuttX project, read the Contributing guidelines for information on Git usage, coding standard, workflow and the NuttX principles.
License
The code in this repository is under either the Apache 2 license, or a license compatible with the Apache 2 license. See the License Page for more information.