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# RT-Thread v5.0.1 released
Change log since v5.0.0 released
## Kernel
- Add stdc atomic detection. (#7536)
- Add API rt_hw_interrupt_is_disabled. (#7706)
- Add API to get object name and thread name (#7507)
- Add AMP rt_hw_cpu_id and RT_USING_SMP Macro decoupling,rt_hw_ipi_send depend on RT_USING_AMP
- Fix device_open oflag comparison error. (#7512)
- Fix thread.c variable rt_err not initialized timer.c type conversion error in iar
- Fix and add null pointer check
- Fix Avoid repeated calls device_open interface. (#7476)
- Modify rt_thread change the structure to explicit inheritance rt_object (#7131)
## Components
- DFS
- Add dfs-v2.0
- Fix potential Memory leak problems(#7378)
- Fix tmpfs spinlock error. (#7216),nfs 64bit arch fault
- Libc
- Support rt-thread CPP wrapper sub-switch macros, external third pary libc software package, picolibc heap
- Optimize resource consumption
- Modify redirecting header sys/ioctl to bits/ioctl, improve posix interface message queue
- Modify if define cputime, then CLOCK_REALTIME use cputime (#7343)
- LWP
- Add more syscall support.
- Support file descriptor transmit (#7318)
- Support for scalable memory management (#7277)
- Fix lwp _load_script. (#7405)
- Modify rt_err_t change to sysret_t in the lwp_syscall (#7374)
- Modify when fork Child process, lwp_struct_copy function adds copy working_directory function (# 7380)
- Network
- Add more hook functions
- Fix ping timeout calculation bug(#7545),ipv6 compatibility issues(#7339)
- Fix next-hop finding in lwip_ip4_route_src. (#7504)
- Modify use the interface to set the default netdev
- optimize at_vprintfln and network related Kconfig
- Other
- Fix Finsh offset used before range check
- Support for scalable memory management (#7277)
## Drivers Device
- Fix cpu timer in multithreading (#7222),dtb compiling warning.
- Optimize the spi transfer speed and fix some issues
- Modify the ADC channel data type and add the built-in channel universal channel number identification
- Modify convert the current sensor framework back to v1 version and make it independent of v2 (# 7698)
- Modify changing tty's driver to a device and fixing multiple scanfs resulted in data loss issues
## Libcpu
add debug info for gdb
- arm: Optimize interrupt mode API,Fix atomic_arm.c
- aarch64: Optimize interrupt mode API,Decoupling startup process,Add no device tree mode in PSCI,Fix cache invalidate operation (#7363)
- risc-v:add ioremap for c906
- mips:Fix variable misuse
## Tools
- Add feature to filter out files to file_check.py that do not require cppcheck (#7499)- Add `--add-rtconfig` args for scons when you want to add macro definitions build time.
- Support llvm-arm 16.0; Add llvm-arm workflows.
- Fix cannot select c99 and gnu choice in Keil-MDK
- Fix the deque issue for Env['CPPDEFINES'] (#7541)
- Modify move file_check.py into ci folder
## action
- Refactoring and optimizing the execution process of ci and adding manual triggers and cppcheck checks for scons dist
## utest
- Add UtestTcTab section access under MSC and change access under gcc
- Fix strtol,the sizeof incorrect calculation,the issue of thread test case looping at high optimization levels,file open close mismatch
## bsp
fix mismatched function types in rt_pin_ops for all drv_gpio.c
- Add some new BSPs
- apm32: apm32e103ze-evalboard apm32e103ze-tinyboard apm32f030r8-miniboard
- at32: at32f423-start
- essemi: es32vf2264
- imxrt: imxrt1061-forlinx-OK1061-S
- renesas: ra6m3-hmi-board
- stm32: stm32f334-st-nucleo stm32l496-st-discovery
- yichip: yc3122-pos
- bouffalo_lab: bl808/d0
- Add RTduino support for some bsps
- Update some stm32 BSP drivers: timer, uart v2, pwm, adc
- Update BSP
- Add kconfig for some BSPs without kconfig
- fix mismatched function types in rt_pin_ops for all drv_gpio.c (#7457)
- stm32: Fixed some issues, added and improved some drivers
- Renesas: Fixed some issues, added and improved some drivers
- Infineon:Fix drv_gpio and spi problem,psoc6 add drv sdcard (#7522),update: READ.me use path of relative (#7500), fix spi chipselect
- simulator:sync upstream win32 driver (#7165), Fix Linux support
- airm2m/air32f103: update AIR32F10xLib (#7472)
- allwinner: update allwinnter libraries object file path (#7482)
- apm32: add can driver and add apm32e1/s1 rtt driver support (#7170)
- at32 : add support dac driver,update for perfection of drv_usart_v2 (#7210),fixed some
- bouffalo_lab : add sdcard spi driver drv_i2c drv_soft_i2c hwtimer & flash driver support,update bouffalo_lab libraries && script, sdio host driver, uart driver pin && bl808-d0 ioremap mode
- essemi: Update es32vf2264 some library functions and drivers
- fujitsu: BSP support menuconfig
- gd32: Add PWM driver for GD32F303
- imxrt: Update to support Keil AC6, add link script files, improve SPI support, improve SPI support for RW007, and improve documentation
- LPC4088: Increase support for IAR environment (# 7611)
- lpc55sxx: update keil default project,update drv_soft_i2c drv_soft_spi drv_adc drv_wdt,add adaptation LVGL drv_lcd and drv_touch
- raspberry-pico: add drv_soft_spi drv_adc drv_wdt drv_soft_i2c
- rk3568:Support PSCI, amp mode
## Userapps
- Using xmake to build a system to replace the original scons
- Built in Toolchain, zlib and other software packages
- Can automatically generate images such as ext4 and fat
- Supports multiple architectures such as arm aarch64 riscv64
- Add built in QEMU runtime environment
# RT-Thread v5.0.0 released
Change log since v4.1.1 released