| Table of Contents |
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Work In Progress
| Warning | ||
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| NuttX X.Y has not been released yet. These Release Notes are a work-in-progress in preparation for the next release of NuttX. There is a board tracking the PRs that need to be looked at to add to this doc for the OS TODO ADD LINK and for the Apps TODO ADD LINK |
What's New In This Release
...
Architecture Improvements
arm
| Markdown |
|---|
* [#11409](https://github.com/apache/nuttx/pull/11409) arch: Remove the identity mapping of up_addrenv_va_to_pa and up_addrenv_pa_to_va
* [#11812](https://github.com/apache/nuttx/pull/11812) arch: use c++ standard lib that comes with gcc
* [#11558](https://github.com/apache/nuttx/pull/11558) arch/commons: remove duplicated task exit logging
* [#11468](https://github.com/apache/nuttx/pull/11468) arch/Kconfig: add dependency to MM_KMAP for ARCH_KMAP_VBASE
* [#11632](https://github.com/apache/nuttx/pull/11632) arch/Kconfig: replace RPTUN_PING with RPMSG_PING
* [#11453](https://github.com/apache/nuttx/pull/11453) arch/Refine exception handling in ARM
* [#11833](https://github.com/apache/nuttx/pull/11833) arch/arm/arm: fix compile error
* [#11855](https://github.com/apache/nuttx/pull/11855) arch/arm/armv7-a/gicv2: move IRQ to group1 and group0 as the FIQ
* [#11484](https://github.com/apache/nuttx/pull/11484) arch/arm/armv7-a/qemu: add QEMU_TRUSTZONE config and default n
* [#11817](https://github.com/apache/nuttx/pull/11817) arch/arm/armv7-a/r: timer update
* [#11814](https://github.com/apache/nuttx/pull/11814) arch/arm/armv7-a/r: use _ebss as idle stack both in SMP mode or not
* [#11835](https://github.com/apache/nuttx/pull/11835) arch/arm/armv7-a/r: use _ebss as idle stack both in SMP mode or not
* [#11477](https://github.com/apache/nuttx/pull/11477) arch/arm/armv7-m: Expose section name to allow relocation
* [#11795](https://github.com/apache/nuttx/pull/11795) arch/arm/armv8-r: fix build break if disable CONFIG_UART_PL011
* [#11523](https://github.com/apache/nuttx/pull/11523) arch/arm/armv8-r: fix compile warning
* [#11521](https://github.com/apache/nuttx/pull/11521) arch/arm/armv8-r: wfi secondary cores if SMP is disabled
* [#11522](https://github.com/apache/nuttx/pull/11522) arch/arm/fvp-v8r: fix arm_earlyserialinit() is not called correctly
* [#11657](https://github.com/apache/nuttx/pull/11657) arch/arm/cxd56xx: Add new feature to use GNSS RAM
* [#11834](https://github.com/apache/nuttx/pull/11834) arch/arm/cxd56xx: Follow interface change of set_buf() operation
* [#11815](https://github.com/apache/nuttx/pull/11815) arc/arm/goldfish & qemu: handle MMU table and CONFIG_RAM_END
* [#11837](https://github.com/apache/nuttx/pull/11837) arc/arm/goldfish & qemu: handle MMU table and CONFIG_RAM_END
* [#11494](https://github.com/apache/nuttx/pull/11494) arch/arm/sama5: add LCD backlight PWM clock source selection
* [#11569](https://github.com/apache/nuttx/pull/11569) arch/arm/sama5: sam_ehci: fix transfer cancellation process.
* [#11602](https://github.com/apache/nuttx/pull/11602) arch/arm/sama5: sam_serial: fix to compile with "UART Flow control enable…
* [#11665](https://github.com/apache/nuttx/pull/11665) arch/arm/samv7: add support for BOARDIOC_RESET_CAUSE command
* [#11836](https://github.com/apache/nuttx/pull/11836) arch/arm/samv7: add support for USART TX DMA transfers
* [#11584](https://github.com/apache/nuttx/pull/11584) arch/arm/samv7: add support for SPI mode in USART peripheral
* [#11601](https://github.com/apache/nuttx/pull/11601) arch/arm/samv7: fix QSPI DMA option not showing in menuconfig
* [#11880](https://github.com/apache/nuttx/pull/11880) arch/arm/samv7: fix typos in Kconfig PWM0 fault input selections - inv. polarity
* [#11595](https://github.com/apache/nuttx/pull/11595) arch/arm/samv7: refactor DAC driver
* [#11697](https://github.com/apache/nuttx/pull/11697) arch/arm/stm32: Fix STM32xx PWM STOP in multichannel mode
* [#11752](https://github.com/apache/nuttx/pull/11752) arch/arm/stm32/stm32f30xxx_rcc.c: fix broken flash setup
* [#11901](https://github.com/apache/nuttx/pull/11901) arch/arm/stm32/stm32_serial.c: fix compilation of onewire driver mode
* [#11981](https://github.com/apache/nuttx/pull/11981) arch/arm/stm32h7: Fix race condition in ADC interrupt handling
* [#11982](https://github.com/apache/nuttx/pull/11982) arch/arm/stm32h7: Modify the enable logic of FDCAN
* [#11582](https://github.com/apache/nuttx/pull/11582) arch/arm/stm32h7: serial make TX DMA busy when there are an outstanding transaction
* [#11963](https://github.com/apache/nuttx/pull/11963) arch/arm/stm32f7/stm32_foc.c: Set .info_get to foc_lower_ops
* [#11934](https://github.com/apache/nuttx/pull/11934) arch/arm/stm32h7/linum-stm32h753bi: Add buzzer support
* [#11849](https://github.com/apache/nuttx/pull/11849) arch/arm/stm32h7/linum-stm32h753bi: Add support to eeprom using the i2c3
* [#11830](https://github.com/apache/nuttx/pull/11830) arch/arm/stm32h7/linum-stm32h753bi: Add support to sdcard
* [#11902](https://github.com/apache/nuttx/pull/11902) arch/arm/stm32f40/stm32f40xxx_pinmap: add 3rd alternate mapping for USART6
* [#11962](https://github.com/apache/nuttx/pull/11962) arch/arm/imxrt/imxrt_start.c: Clear CONTROL register at start to …
* [#11511](https://github.com/apache/nuttx/pull/11511) arch/arm/mx8mp: Fix mx8mp ecspi interruption management.
* [#11878](https://github.com/apache/nuttx/pull/11878) arch/arm/nrf: fixes for SPI
* [#11843](https://github.com/apache/nuttx/pull/11843) arch/arm/nrf{52|53|91}/spi: fix error message
* [#11706](https://github.com/apache/nuttx/pull/11706) arch/arm/nrf{52|53|91}/xxx_rtc.h: include nuttx/irq.h
* [#11702](https://github.com/apache/nuttx/pull/11702) arch/nrf{52|53|91}: let the events from comparator correspond to CC id
* [#11703](https://github.com/apache/nuttx/pull/11703) arch/nrf{52|53}/gpiote.c: fix event reconfiguration for a given pin
* [#11648](https://github.com/apache/nuttx/pull/11648) arch/arm/rp2040: Support Clock Outputs
* [#11845](https://github.com/apache/nuttx/pull/11845) arch/arm/s32k1xx: Disable interrupt during FTFC operation
* [#11564](https://github.com/apache/nuttx/pull/11564) arch/arm/xmc4: add GPIO_U1C0_SCLKOUT_3 P4.0 for spi2 on xm4
* [#11737](https://github.com/apache/nuttx/pull/11737) arch/arm/xmc4: Add tickless support
* [#11728](https://github.com/apache/nuttx/pull/11728) arch/arm/xmc4: Add XMC4 flash command sequence API
* [#11678](https://github.com/apache/nuttx/pull/11678) arch/arm/xmc4: Fix CCU registers
* [#11581](https://github.com/apache/nuttx/pull/11581) arch/arm/xmc4: fix typo: it is P4.0 and not P0.4
* [#11600](https://github.com/apache/nuttx/pull/11600) arch/arm/xmc4: xmc4 ccu4 global registers
|
arm64
| Markdown |
|---|
* [#11986](https://github.com/apache/nuttx/pull/11986) arch/arm64: Add the head obj to libarch.a as well * [#11969](https://github.com/apache/nuttx/pull/11969) arch/arm64/src/common: Remove void * arithmetic * [#11975](https://github.com/apache/nuttx/pull/11975) arch/arm64/arm64_head.S: Add explicit input section for __start * [#11946](https://github.com/apache/nuttx/pull/11946) arch/arm64/arm64_mmu: Add data synchronization barrier after page tables are written * [#11974](https://github.com/apache/nuttx/pull/11974) arch/arm64/imx9: Add CCM (Clock Controller Module) driver |
risc-v
| Markdown |
|---|
* [#11612](https://github.com/apache/nuttx/pull/11612) arch/risc-v: add status fields for VS and XS
* [#11985](https://github.com/apache/nuttx/pull/11985) arch/risc-v: minor revision of risc-v/arch.h and fs_mmap.c
* [#11824](https://github.com/apache/nuttx/pull/11824) arch/risc-v: Rename existing CONFIG_PAGING to CONFIG_LEGACY_PAGING and implement page-fault exception and on-demand paging for RISC-V
* [#11620](https://github.com/apache/nuttx/pull/11620) arch/risc-v: reorganization
* [#11876](https://github.com/apache/nuttx/pull/11876) arch/risc-v: simpleboot support
* [#11585](https://github.com/apache/nuttx/pull/11585) arch/risc-v/bl808: Flush MMU Cache after updating SATP
* [#11472](https://github.com/apache/nuttx/pull/11472) arch/risc-v/bl808: Implement Timer with OpenSBI
* [#11609](https://github.com/apache/nuttx/pull/11609) arch/risc-v/canmv230: add CMake support
* [#11561](https://github.com/apache/nuttx/pull/11561) arch/risc-v/cmake: set llvm cputype only for LLVM based toolchain
* [#11650](https://github.com/apache/nuttx/pull/11650) arch/risc-v/common: add param to mmu_flush_cache interface
* [#11961](https://github.com/apache/nuttx/pull/11961) arch/risc-v/common/supervisor/riscv_perform_syscall.c: Record the…
* [#11549](https://github.com/apache/nuttx/pull/11549) arch/risc-v/toolchain: configurable vendor ISA extensions
* [#11721](https://github.com/apache/nuttx/pull/11721) arch/risc-v/esp_<rmt|ws2812>: Implement the RMT peripheral for all the supported Risc-V ESP32 devices
* [#11906](https://github.com/apache/nuttx/pull/11906) arch/risc-v/k230: add ARCH_HAVE_RESET and revise logging
* [#11619](https://github.com/apache/nuttx/pull/11619) arch/risc-v/k230: add big core support
* [#11726](https://github.com/apache/nuttx/pull/11726) arch/risc-v/k230: add IPI support to improve RPMsg efficiency
* [#11559](https://github.com/apache/nuttx/pull/11559) arch/risc-v/k230: add NUTTSBI based kernel build support
* [#11504](https://github.com/apache/nuttx/pull/11504) arch/risc-v/k230: add PROTECTED build support
* [#11911](https://github.com/apache/nuttx/pull/11911) arch/risc-v/k230: fix k230_hart_is_big issue
* [#11831](https://github.com/apache/nuttx/pull/11831) arch/risc-v/k230: improvements to support K230 vendor u-boot
* [#11673](https://github.com/apache/nuttx/pull/11673) arch/risc-v/k230: initial Asymmetric Multi-Processing support
* [#11762](https://github.com/apache/nuttx/pull/11762) arch/risc-v/k230: minor revision on configs
* [#11869](https://github.com/apache/nuttx/pull/11869) arch/risc-v/k230: minor revision on PMP settings
* [#11691](https://github.com/apache/nuttx/pull/11691) arch/risc-v/k230: revise k230 hart operations and kernel linker script.
* [#11513](https://github.com/apache/nuttx/pull/11513) arch/risc-v/k230: use fully linked apps in kernel build
* [#11939](https://github.com/apache/nuttx/pull/11939) arch/risc-v/litex: Allow FDT to be passed from previous boot change.
* [#11497](https://github.com/apache/nuttx/pull/11497) arch/risc-v/litex: fix typo in litex/irq.h
* [#11664](https://github.com/apache/nuttx/pull/11664) arch/risc-v/mpfs: i2c fixes
* [#11630](https://github.com/apache/nuttx/pull/11630) arch/risc-v/mpfs: wrapper for sdio device drivers
* [#11598](https://github.com/apache/nuttx/pull/11598) arch/risc-v/mpfs/mpfs_corespi: Fix firing of stale interrupt after warm reset
* [#11663](https://github.com/apache/nuttx/pull/11663) arch/risc-v/mpfs/mpfs_irq.c: Fix up_irqinitialize for warm reboot
* [#11493](https://github.com/apache/nuttx/pull/11493) arch/risc-v/mpfs/mpfs_mpu: Add driver to set MPUCFG registers
* [#11528](https://github.com/apache/nuttx/pull/11528) arch/risc-v/mpfs/mpfs_mpucfg.c: Add mpfs_mpu_lock()
* [#11662](https://github.com/apache/nuttx/pull/11662) arch/risc-v/mpfs/mpfs_serial.c: Allow switching uart output to co…
* [#11527](https://github.com/apache/nuttx/pull/11527) arch/risc-v/mpfs/mpfs_usb.c: Remove PMPCFG configuration from the driver
* [#11794](https://github.com/apache/nuttx/pull/11794) arch/risc-v/rv-virt: Add .init_section to linker script
* [#11496](https://github.com/apache/nuttx/pull/11496) arch/risc-v/rv-virt: revise mstatus operations
* [#11524](https://github.com/apache/nuttx/pull/11524) arch/risc-v/rv-virt: use fully linked apps for kernel build
* [#11541](https://github.com/apache/nuttx/pull/11541) arch/risc-v/nuttsbi: add device specific initialization hook
* [#11533](https://github.com/apache/nuttx/pull/11533) arch/risc-v/nuttsbi: use ARCH_RV_MMIO_BITS for mtimer access selection
* [#11864](https://github.com/apache/nuttx/pull/11864) arch/risc-v/nuttsbi: revise PMP manipulation in NuttX SBI
* [#11638](https://github.com/apache/nuttx/pull/11638) arch/risc-v/nuttsbi: fix weak sbi_late_initialize issues
* [#11731](https://github.com/apache/nuttx/pull/11731) arch/risc-v/espressif: Add SPI Flash support
* [#11993](https://github.com/apache/nuttx/pull/11993) arch/risc-v/espressif: Fix esp32c6 strange characters on boot
* [#11599](https://github.com/apache/nuttx/pull/11599) arch/risc-v/espressif: Legacy bootloader clean-up
* [#11565](https://github.com/apache/nuttx/pull/11565) arch/risc-v/esp32c3-generic: add simple boot support
|
sim
| Markdown |
|---|
* [#11458](https://github.com/apache/nuttx/pull/11458) arch/sim: add assertions on hostfs copy of structures
* [#11610](https://github.com/apache/nuttx/pull/11610) arch/sim: fix X11 compile failed
* [#11461](https://github.com/apache/nuttx/pull/11461) arch/sim: make the cmake version of hostfs build similar to the Makefile one
* [#11983](https://github.com/apache/nuttx/pull/11983) arch/sim/matter: solve compilation problems for the matter community
* [#11905](https://github.com/apache/nuttx/pull/11905) arch/sim/nxcamera: add CONFIG_SIM_FBBPP=32
* [#11459](https://github.com/apache/nuttx/pull/11459) arch/sim/src/sim/CMakeLists.txt: update a few file names |
tricore
| Markdown |
|---|
* [#11959](https://github.com/apache/nuttx/pull/11959) arch/tricore: add spinlock support |
x86_64
| Markdown |
|---|
* [#11865](https://github.com/apache/nuttx/pull/11865) arch/x86_64: add addrenv support * [#11747](https://github.com/apache/nuttx/pull/11747) arch/x86_64: add cmake support * [#11866](https://github.com/apache/nuttx/pull/11866) arch/x86_64: add SSE instruction support * [#11791](https://github.com/apache/nuttx/pull/11791) arch/x86_64: add spinlock support * [#11782](https://github.com/apache/nuttx/pull/11782) arch/x86_64: change optimization to -Os for FULLOPT * [#11899](https://github.com/apache/nuttx/pull/11899) arch/x86_64: move common Make.defs to common * [#11715](https://github.com/apache/nuttx/pull/11715) arch/x86_64: move common toolchain options to Toolchain.defs * [#11790](https://github.com/apache/nuttx/pull/11790) arch/x86_64: move PCI bus initialization from qemu-intel64 to common x86_64 * [#11809](https://github.com/apache/nuttx/pull/11809) arch/x86_64/intel64: add HPET timer support as oneshot timer * [#11770](https://github.com/apache/nuttx/pull/11770) arch/x86_64/intel64: add software reset support * [#11783](https://github.com/apache/nuttx/pull/11783) arch/x86_64/intel64: enable FPU and implement up_fpucmp to pass ostest * [#11748](https://github.com/apache/nuttx/pull/11748) arch/x86_64/intel64: fix various issues with stack misalignment * [#11873](https://github.com/apache/nuttx/pull/11873) arch/x86_64/intel64: improvements for interrupts * [#11872](https://github.com/apache/nuttx/pull/11872) arch/x86_64/intel64: improvements for system clock * [#11764](https://github.com/apache/nuttx/pull/11764) arch/x86_64/intel64: prase multiboot2 header before revoking the lower memory |
xtensa
| Markdown |
|---|
* [#11563](https://github.com/apache/nuttx/pull/11563) arch/xtensa/esp32: Explicitly fail on boot-up for unsupported ESP32 versions * [#11802](https://github.com/apache/nuttx/pull/11802) arch/xtensa/esp32: Fix issue of system blocking when SPIRAM is used as stack * [#11897](https://github.com/apache/nuttx/pull/11897) arch/xtensa/esp32: Fix wrong interrupt number * [#11588](https://github.com/apache/nuttx/pull/11588) arch/xtensa/esp32s3: Add APIs to release DMA channel resources * [#11593](https://github.com/apache/nuttx/pull/11593) arch/xtensa/esp32s3: Add DMA peripheral to spi driver configuration * [#11801](https://github.com/apache/nuttx/pull/11801) arch/xtensa/esp32s3: Add the return value of SPI driver * [#11853](https://github.com/apache/nuttx/pull/11853) arch/xtensa/esp32s3: Configure DMA maximum buffer size based on access to different RAM * [#11743](https://github.com/apache/nuttx/pull/11743) arch/xtensa/esp32s3: Deinitialize ESP32-S3 SPI slave GDMA engine * [#11822](https://github.com/apache/nuttx/pull/11822) arch/xtensa/esp32s3: feat(esp32s3-bootloader): allow 32MB flash * [#11604](https://github.com/apache/nuttx/pull/11604) arch/xtensa/esp32s3: Fix crash issue that occurs when deleting a semaphore in WPA3 * [#11685](https://github.com/apache/nuttx/pull/11685) arch/xtensa/esp32s2: Fix esp32s2 wdt interrupt bug * [#11779](https://github.com/apache/nuttx/pull/11779) arch/xtensa/esp32s3: Fix issue of system blocking when SPIRAM is used as stack * [#11807](https://github.com/apache/nuttx/pull/11807) arch/xtensa/esp32s3: Fix symbol collision between mbedTLS and the Wi-Fi driver * [#11562](https://github.com/apache/nuttx/pull/11562) arch/xtensa/esp32s3: Fix USB pull-up and pull-down issue * [#11852](https://github.com/apache/nuttx/pull/11852) arch/xtensa/esp32s3: Fix the issue of erasing a wide range of flash sectors * [#11820](https://github.com/apache/nuttx/pull/11820) arch/xtensa/esp32s3: fix(esp32s3_spiflash_mtd): use correct type specifiers * [#11534](https://github.com/apache/nuttx/pull/11534) arch/xtensa/esp32s3: Support WPA3 on softap mode * [#11516](https://github.com/apache/nuttx/pull/11516) arch/xtensa/esp32[s2|s3] Following up update interrupt type constants. * [#11557](https://github.com/apache/nuttx/pull/11557) arch/xtensa/esp32s3/pwm: Fix pwm output * [#11519](https://github.com/apache/nuttx/pull/11519) arch/xtensa/esp32s3/rt_timer: Fix deadlock on RT-Timer thread and Fix Wi-Fi usage with SMP enabled. * [#11554](https://github.com/apache/nuttx/pull/11554) arch/xtensa/esp32s3/spi: Add SPI bus init in bringup and fix SPI bus 2 and 3 conflict * [#11575](https://github.com/apache/nuttx/pull/11575) arch/xtensa/esp32s3/spi-dma: Fix spi dma transfer. * [#11538](https://github.com/apache/nuttx/pull/11538) arch/xtensa/esp32s3/wifi: Fix Wi-Fi connection to WPA3-SAE APs. |
Driver Support
New Driver Support
| Markdown |
|---|
* [#11767](https://github.com/apache/nuttx/pull/11767) drivers/analog/hx711: Add driver for hx711 weight scale ADC * [#11868](https://github.com/apache/nuttx/pull/11868) drivers/can/sja1000: Add SJA1000 CAN driver support * [#11806](https://github.com/apache/nuttx/pull/11806) drivers/mtd/mtd_nandram: Adds virtual NAND Flash simulator * [#11552](https://github.com/apache/nuttx/pull/11552) drivers/usbhost: Add a USB bluetooth driver |
...