Work In Progress

What's New In This Release

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PR-1611 libc: Allocate file_struct dynamically

PR-1684 Add gdb script for NuttX thread debugging

PR-1607 mm: Implement malloc_usable_size

PR-1606 sched/pthread: Implement pthread_attr_detachstate

PR-1600 Implement epol_pwait and EPOLLONESHOT flag

PR-1597 sched: Support passing non empty argument to init task

PR-1596 libc: Replace all sem_xxx with _SEM_XXX. This insures the correct semaphore interface is used by userspace and the kernel.

PR-1517 sched/wdog: Chang the default value of MAX_WDOGPARMS from 4 to 2 as wd_start is two every where in the code base. Also bump CONFIG_MAX_WDOGPARAMS from 1 to 2 in defconfigs to support pthread_condclockwait()

PR-1486 libc: Implement ftw and nftw functions

PR-1567 libc: Implement proposed POSIX _clockwait variants of _timedwait functions

PR-1411 libxx: Integrate latest uclibcxx 0.2.5

PR-1586 libc: Add open for text (translated) access support

PR-1584 libc: Implement  strlcpy function

PR-1580 libc: Implement pthread_conattr_etclock

PR-1545 sched/wdog: Do not dynamically allocate wdog_s.  Reduces overhead and brings it inline with work_s

PR-1534 sched/wdog: Replace all callback arguments from uint32_t to wdparm_t

PR-1420 libc: Do not define localtime[_r] to macro with CONFIG_LIBC_LOCALTIME is not defined.

PR-1375 libc: Always declare getenv, link/symlink and atexist/on_exit.  Many C++ libraries reference these but dont use them

PR-1371 libc: Improve stat/readdir to be more POSIX compliant with S_xxx macro definition as with Linux

PR-1369 Initialize the idle stack at the arch layer to better support stack coloring and also make it compatible with new TLS implementation

PR-1292 pthread/mutex: Add PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP support

PR-1280 libc: Implement fseeko and ftello

PR-1279 libc: Implement lstat and realpath

PR-1278 libc: Implement pathconf and fpathconf

PR-1269 cstdlib: Add missing atox to std namespace

PR-1264 sched/pthread: Prohibit the use of pthread_cleanup API's by kernel threads

PR-1440 libc: Add the UUID libc functions

PR-1308 libc: Add support for _SC_NPROCESSORS_CONF/_SC_NPROCESSORS_ONLN to sysconf

PR-1305 libc: Implement WNOHANG for waitpid and waitid

PR-1237 libc: Add minimal support for locale_t operation:  suplocale, freelocale, newlocale, userlocale

PR-1317 sched/task: Unify task initialization

PR-1187 sched: Unify main thread and pthread behavior

Bug Fixes

PR-2263 libc/stdio: Preallocate stdin, stdout, stderr

PR-2053 PR-2040 serial/termios: Support custom baudrate setting

Bug Fixes

PR-1911 init_section was PR-1911 init_section was not being emitted resulting in C++ static constructors not being called.

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PR-1619 Fix inverted errno in mq_open

PR-1595 epoll_wait() must loop until "maxevents" to fille output evs array

PR-1519 libc: Replace index/rindex from macro to function to protect against side effects with conflicting local variables

PR-1514 Remove usage for user-space memalign() from kernel/driver code.  Instead use the proper kernel memory interface.

PR-1512 / PR-1510 / PR-1507 Remove usage for user-space malloc()/zalloc()/free() from kernel/driver code.  Instead use the proper kernel memory interface.

PR-1496 libc: Change ctype macro to normal function to resolve macro evaluation side effects

PR-1463 libc: Replace all malloc/free with lib_malloc/lib_free inside libc

PR-1365 up_assert should not call exit() directly because it is only callable from userspace

PR-1336 syscall: Fix prctl PR_SET_NAME failure if called without pid argument

PR-1289 Clear the error indicator with rewind()

PR-1254 libc: mkstemp only look at the trailing X's instead of the first X

PR-1311 libc: Move double_t typedef from sys/types.h to math.h

PR-1328 Make sure that pthread_cleanup functions are only called from userspace

PR-1318 nxsched_release_tcb should release stack in kernel build, fixes memory leak

PR-2951 sched: Fix deadlock in nxtask_exit() for SMP

PR-2229 PR-2298 PR-2279 PR-2272 PR-2264 PR-1992 PR-2022 sched: SMP fixups that caused locking and removal of some no longer required workarounds

PR-1993 libc: Skip close stdin/stdout/stderr in fclose

PR-1997 libc: Remove all calls to fclose with stdin/stdout/stderr with fclose

Major Changes to Documentation

PR-1763 Add quickstart documentation

PR-1677 Add simulator, drivers, and contributing instructions for new users

PR-1675 Add quickstart documentation from NuttX Companion

PR-1673 Update all the links in the documentation to point to nuttx.apache.org or the Apache NuttX wiki instead of old nuttx.org resources

PR-1501 Port all the existing documentation from HTML files to Sphinx based documentation along with a bunch of updates and improvments

PR-1433 Convert README documentation to Markdown

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PR-1786 Support building external code into the OS

PR-1396 Make C/C++ search path common so all boards support uClibc++/libc++ automatically

PR-1682 configure.sh can now list configurations with "-L" option

PR-2023 tools: Remove WSL configruation.  This is just Linux now.

Bug Fixes

PR-1713 Fix export target: libboard was missing KERNEL flag.

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PR-1332 Include incdir.c in the export target

PR-1995 Fix issue where wrong extension was generated for mkconfig in WSL builds

PR-1949 Fix issue in make export where nuttx-names.dat was not being generated

PR-1682: Fix issue where windows style paths might not be handled correctly breaking Cygwin builds

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PR-1847 ARM: Initial support for ARMV6M to support CortexM0+

PR-1397: EOSS3: Initial support for the QuickLogic EOS S3 SoC

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PR-1558 SIM: Add support for Stack Smashing Protector.

PR-1392 SIM: Make uClibc++ and libcxx work on sim platform

PR-1460 SIM: Call sched_note_cpu_* when scheduler instrumentation is enabled

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PR-1865 STM32F4:  Add support for STM32F412CE fixing I2C2/I2C3 and USART1 alt

PR-1506 STM32: Add support for single wire UART push/pull mode

PR-1572 STM32F2/F4: Add options for I-Cache and D-Cache to be enabled/disable.  Previously they were always enabled.

PR-1287 STM32F7: Refactor the FMC driver to support STM32F7 family and add support to the STM32F46G-DISCO board

PR-1275 STM32: Allow SysTick to be a tickless clock source option

PR-1268 STM32: Add support for STM32F412 with UART / SPI / CAN / I2C / DMA

PR-1250 STM32L4: Add support for booting into DFU mode

Bug Fixes

ARM

PR-1562 ARM: Save tcb-adj_stack_size should be saved without tls overhead

PR-1900 ARM: Fix false reporting for stack usage for unaligned stacks

AVR

PR-1410 avr: Implement missing double_t type, CONFIG_STACK_ALIGNMENT, linker emulation flags

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PR-1620 cxd56xx: Fix IRQ control in cxd56_dmac.c

PR-1253 cxd56xx: Fix audio cxd56_stop where a deadlock could be hit if the worker thread took too long to turn on AMP

PR-1950 cxd56xx: Fix deadlock and tcb corruption in SMP mode

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PR-1908 ESP32: Fix task signal process preemption

PR-1941 ESP32: Fix interrupt clearing of edge interrupt due to issuing in masking interrupt state

IMXRT

PR-1527 IMXRT: Fix kconfig so that IMXRT_ENET_NRXBUFFERS can be set

PR-1455 IMXRT: Fix auto-negotiation for KSZ8081 PHY

Kinetis

PR-1273 Kinetis: Fix issue in ethernet driver where buffers were blindly initialized and could cause the TX of the MAC to be in a bad state.  Also resolves an issue with interrupts being throttled in the NVIC.

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PR-1888 SIM: Fix EOVERFLOW returned when CONFIG_SIM_M32 is set

PR-1709 SIM: Fix up_cpu_start initialization for macOS with SMP enabled

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PR-1556 STM32: Fix IO compentation support in STM32F7 and remove incorrect reference in STM32F0/L0/G0

PR-1529 STM32: Fix intialization bug in ADC that prevented adc_reset() from working correctly

PR-1561 STM32: Make sure that core over-drive is enable for all chips that support it and operating at 180MHz.  Some were enabled at 180MHz but may have not been stable without over-drive not configured.

PR-1553 STM32F7: Fix possible interrupt blocking in serial TXDMA ISR

PR-1544 STM32: Make sure IO compenstation cell is configured prior to call to rcc_enableperipherals() causing syscfg is accessed before it is enabled

PR-1380 STM32F7: Fix tickless driverw where th compare register could be set to a value that has just passed preventing expiration

PR-1252 STM32L4: Fix 48MHz MSI clock seclection that could cause boot to hang

PR-1310 STM32L4: Configure flash wait states earier to prevent corruption of execution state

PR-1248 STM32L4: Fix oneshot timer so that a minimum period is set otherwise it will never be triggered.

PR-1247 STM32L47x/8x: Set additional registers require to place a pin in analog mode

PR-1246 STM32L4: Fix issue where clock divider for serial baud rate was not set correctly

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PR-1741 mmcsd_sdio: Properly arm the write completion detection

PR-1370 can: Fix incorret usage of nxsem_getvalue which caused fifo->rx_sem to increase with teach received msg

PR-1452 lcd: Fix memory leak when board_graphics_setup fail

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PR-1276 Add support for the ST7735 TFT Controller

PR-1233 usbhost: Add support for CDC-MBIM USB host driver

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PR-1466 Altair Modem: Add board specific logic, Fix issue that SPI4 RX frequency violated AC Spec, Fix priority of SPI transfer task is too low, Modify timeout value for RX ready

PR-1471 ramlog: Add option to overwrite buffer

PR-1547 usbhub: Make sure to enumerate hubs that report protocol = 1 (High Speed Hub)

PR-1374 gpio: Extend gpio_pintype_e for pulldown/up and opendrain

PR-1249 bmp280: Add support for reading temperature

PR-1299 mpu60x0: Add I2C support for the MPU60x0 sensor driver

PR-1325 can: expose NART/ABOM and RTR settings via ioctls

PR-1520 note: Move note driver from syslog to drivers/note

PR-1288 / PR-1449 note: Add sched_note_syscall_enter/leave hooks for syscall instrumentation

PR-1259 note:  Add buffering support for syscall instrumentation

PR-1256 note: Add hooks for note driver for interrupt instrumentation

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PR-1618 metro-m4: Add support for: SmartFS initialization, AT24 EEPROM, GPIO dev, BQ27426 gague initialization

PR-1727 b-g474e-dpow1: Add support for FLASH bootloader

PR-1683 cxd56xx: Add wifi_smp configuration

PR-1668 sim: Add new configuration for SMP

PR-1644 stm32f746g-disco: Move serial console from USART6 to USART1 which is attached to the USB virtual COM port.

PR-1464 cxd56xx: Add new GNSS functions, support for lower PWM frequency, CONFIG_CPUFREQ_RELEASE_LOCK, high speed ADC, HPADC input gain configuration, eMMC device, frame buffer support

PR-1405 stm32f4discovery: Add ELF support to wifi configuration

PR-1402 imxrt1060: Add buttons support to iMXRT1060

PR-1590 sim: Add duktape configuration

PR-1532 sim: Add cromfs configuration

PR-1335 cxd56xx: Enable basic snapshop camera example

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PR-1633 NRF52: Add support for Sparkfun NRF52832 Breakout Board

PR-1728 SAMA5D27: Add support for Giant Board

PR-1397 EOSS3: Initial support for the QuickLogic EOS S3 SoC QuickFeather board

PR-1268 STM32: Add support for nucleo-f412zg board

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PR-1737 vfs: reuse file_dup2 direction in file_dup to prevent segfault issue

PR-1490 Insure that filesystems can all support paths that end with '/'

PR-1546 ROMFS: Fix issue with how hard links are followed for ROMFS

PR-1442 SmartFS: Fix file size corruption when opening with overwriting mode

PR-1431 nxffs: Fix scan good block slowly and scan an invalid block

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PR-1554 CROMFS: Add support for hard links

PR-1499 FAT: Add support for UTF8 long filename

PR-1479 vfs: Add file descriptor based events support eventfd()

PR-1582 vfs: Add epoll_create1() support

PR-1579 vfs: Do not check CONFIG_NFILE_STREAMS for mkdir/rename/rmdir/fs_unlink

PR-1355 vfs: Implement statvfs and fstatvfs

PR-1323 vfs: Add chmod/fchmod/utimes function prototypes

Networking

Bug Fixes

PR-1267 SocketCAN: When timestamped frame was recived while in CAN2.0B mode the frame got dropped.

PR-1446 usrsock: Fix recv() cannot peek data

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PR-1666 Bluetooth:  Bluetooth sockets now use Linux sockaddr types of sockaddr_l2 sockaddr_hci sockaddr_rc.  There are slight breaking changes here that may require applications to be updated, but this brings the interface inline with Linux.

PR-1581 Socket: Add SOCK_CLOEXEC/SOCK_NONBLOCK support

PR-1443 usrsock: Add flag argument to sendto/recvfrom interface in usrsock

PR-1238 SocketCAN: Add support for SocketCAN interface API

Applications

Significant Improvements

PR-409 wamr: Update version to 09-29-2020 that supports NuttX directly and remove patches

PR-407 ipcfg:  Add IPv4 configuration file access helper

PR-406 wamr: Add configs for heap pool and custom name sections

PR-404 timer: Add supplying timer dev path to example

PR-403 nxplayer/nxrecorder: Add channel map support

PR-396 wamr: Add missing options to kconfig

PR-395 dhcpc: Try to get hostname via syscall first

PR-391 wapi: Add option to assocated directly via bssid

PR-390 wapi: App option to scan partial channel

PR-387 wamr: Add support for WAMR web assembly interpreter

PR-337 docs: Convert all README files to markdown

PR-333 webclient: Add hooks for TLS, extra request headers, PUT method, report status code, improved error handling

PR-329 gpio: Add support for new GPIO pin types

PR-317 nshlib: Call symlink if user pass -s for ln command

PR-315 c++: Support uClibc++ and libcxx in examples/testing

PR-314 camera: Add a simple camera snapshot example

PR-378 wasm3: Initial WebAssembly runtime support

PR-374 bluetooth: Use the new l2cap socket address type

PR-373 duktape: Add duktape to global search path so it can be used as a library

PR-372 quickjs: Add support for QuickJS interpreter

PR-367 nsh: Accept the command line arguments like sh

PR-365 duktape: Add console, print, alert support

PR-364 cu:  Refactor cu and add support for "-c" to disable \n to \r\n conversion

PR-362 libuv: Add support for libuv library

PR-352 duktape: Add initial support for duktape

PR-346 wget: Enable URL from command line, can be used with ifup, hooks for HTTPS

PR-302 lvgl: Use the latest version 7.0.2

PR-300 note: Add support for decoding interrupt and syscall instrumentation

PR-299 nxrecorder: Add O_TRUNC when creating a file

PR-296 bmp280: Add support for BMP180 to BMP280 application

PR-294 can: Add cansend and candump utilities for interacting with SocketCAN

Bug Fixes

PR-411 wgetjson: Fix build breakage

PR-405 nxplayer: Fix missing "%d" in a sscanf call

PR-400 dhcpc: Handle case where gethostname() might be empty

PR-399 build: Fix build system issue where compiler would only compile first assembly file

PR-393 build: Fix build system issue where ARCHCPUFLAGS in cxx command was lost

PR-392 wapi: Make wapi more robust in failure cases

PR-383 ntpclient: Fix NTP daemon state in case of DNS failure

PR-344 gs2200m: Fix freeing of uninitialized memory

PR-335 ntp: Fix malformated authentication headers in NTP packet

PR-331 telnetd: Fix buffer overflow issue clearing socket address

PR-312 build: Make sure to include incdir when running make export

PR-377 readline: Fix stack overflow when application name is too long

PR-359 nshlib: Fix memory corrupt in nsh_parse if pthread_create() failed

PR-354 dhcpd: Fix member name for "ds_pid"

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