Change log since v4.0.3

Kernel

• Update memheap auto binding policy
• Remove rt_thread_exit function
• Improve API annotations and code comments
• Standardize internal function naming
• Add recessive RT_USING_ASM_MEMCPY definition to Kconfig
• Add RT_PRINTF_LONGLONG option to Kconfig, not selected by default
• Clear support for RT_PRINTF_LONGLONG in kservice.c
• Fix RT_PRINTF_LONGLONG is supported by default in 64-bit mode
• Solve the problem that FINSH cannot respond to serial port input in multi-core mode
• Optimize the comment for ipc
• Adjust the code to support cpu usage
• Adjust the exception handling code structure to support backtrace functionality
• Remove the mutex RT_IPC_FLAG_FIFO function
• Remove switch_to_sethook function
• Add idle reclaimed resources
• Change defined(__CC_ARM) || defined(__CLANG_ARM) to ifdef __ARMCC_VERSION
• Fix comment error for rt_mutex_detach().
• Remove the rt_sscanf statement
• Add RT_WEAK for rt_malloc_align,rt_free_align
• Changed the memory heap protection mechanism from FIFO to PRIO
• Remove fix priority inversion bug of mutex
• Add volatile to the rt_tick variable to prevent compiler optimization problems
• Keep the atomicity of idle task hook function calls
• Fix the crash problem after opening Oz optimization on ac6.
• Add protect to the rt_tick_increase critical section
• Add rt_mutex_trytake function
• Improve kernel stability
• Remove C99 dependencies
• Add conditional compilation for _has_defunct_thread function
• Clarify the context
• Add get/set microsecond time control command
• Fix code comment error for function rt_memset().
• Remove rt_device_init_all() function
• Adjust graphics device driver definitions
• Unsigned comparisons should still be used when the signed comparison is undone
• Fix compile error when using LOG_HEX(...) function but RT_USING_ULOG not defined

Components

• Support armclang
• Optimized system for suppoort gcc
• Update Libc
  • Create a gcc folder and merge the newlib and partical folders
  • Optimized system to support GCC
  • Fix support system function
  • Fix asctime_r return value
  • Lowers the action of calling printf before libc initialization to the warning level
  • Replace dfs_select.h with standard sys/select.h
  • The RT_LIBC_USING_TIME macro definition remains after RT_USING_LIBC is enabled
  • Optimized fcntil.h definition
  • Fix syscall was optimized to incorporate minilibc into syscalls.c file
  • Rebuild _libc_init_array to prevent chip startup failure under GCC
  • RT_USING_NEWLIB and math libraries are defined without libc enabled
  • Fix the conflict warning of read and write functions
  • Remove libc_signal.h and libc_fdset.h
  • Fix an issue where keil did not compile properly
  • Remove rtlibc, libc_stdio.h, libc_dirent.h, libc_ioctl.h，libc_signal.h，libc_fdset.h，libc_errno.h， libc_limits.h
  • Add delay when the scheduler is not running
  • Fix armClang support issues
  • usleep supports calling in interrupts.
  • Fix sys header file import when liBC is not enabled
  • The gettimeofday () function supports time zones and specification set_timeval/get_timeval returns a value
  • Fix warning of posix_signal
  • Fix bug where nonegcc folder path was not added to project in Simulator Win32
  • Fix error caused by libc removing sys/errno.h file
  • Remove _TIMESPEC_DEFINED
  • Add the RT_LIBC_FIXED_TIMEZONE default value to time.c to prevent projects that do not have RT_LIBC_FIXED_TIMEZONE configured
  • Add the ability to manually set the time zone
  • Add riscv.c dlmodule can support riscv architecture
  • Implement pid_t gettid(void)
  • Implement isatty()
  • Implement set_timeval
  • Change the libc directory to common and none-gcc
  • Remove dlib and armlibc sys folder
  • Fix MDK build error when using gmtime_r
  • Optimize get_timeval and set_timeval conditional compiled code structure
  • Update mktime support fixed timezone
  • Add microseconds time get feature in gettimeofday
  • LOG_W will cause a recursive printing if ulog timestamp function is turned on
  • Remove inherent mutex protect
• Update drivers
  • Fix stdint in cputime
  • Delete NTP configurations
  • Make rt_soft_rtc_init private
  • Bypass controlling commands in touch class to driver
  • Update the RTC device driver framework to unify and simplify RTC device registration and access
  • Add i2c bus control api
  • Update uac class, remove GPL code
  • Fix measurement unit of "percentage" to "permillage" for accuracy
  • Add spo2 sensor support in drivers/include/drivers/sensor.h and drivers/sensors/sensor.c
  • Optimize pin.h, sensor.h, rtdevice.h to avoid reverse inclusion
  • Update usb enlarge uconfig_descriptor's data array space
  • Add security devices
• [netif] Fix the eth_tx_msg protection
• Update utest
  • Add kernel testcases
  • Fix TC_FAIL_LIST_MARK_FAILED Subscript calculation error
• Fix comments error in ringbuffer and workqueue
• Update ringbuffer
  • Add an interface comment
  • Local variables are used to prevent resource competition
  • Write_index bug in rt_ringbuffer_put_force
• Update workqueue
  • Add an interface comment
  • Remove rt_delayed_work_init()
  • Privatize the rt_work_sys_workqueue_init function
  • Fix an unexpected suspension of critical condition threads
• Fixed timer ASSERT exception due to multithreaded scheduling
• Optimize the inclusion relationship between dfs.h and dirent.h
• Update finsh
  • Restore the FINSH_USING_MSH definition for compatibility
  • Expose the finsh_getchar function
  • Fixed _cmd_xxx command unavailable due to finsh removal
  • Update Kconfig is more hierarchical
  • The finsh component can optionally include built-in commands
  • Repaie that the table key on msh do not work
  • The list-thread command adds the bind core display for multiple cores
  • Add support for tasking toolchain
  • Add mount/umount cmd
• Fix ringblk_buf error when no longer using dynamic memory
• [timezone] implement timezone
• [DeviceDriver] Change the special device commands form 0x1X to 0x2X. It will avoid same of general device commands
• Update AT
  • Update old_urc_table to new_urc_table
  • Optimized at socket memory leak modification
  • Add at_utils_send virtual function
  • Fix at_vprintf and at_vprintfln and end_sign response
  • Fix at_server_getchar spelling error
• Add device type USBOTG to redef.h
• [newlib] fix compile error when closing RT_USING_CONSOLE
• Update rtc
  • Add RT_DEVICE_CTRL_RTC_GET_TIMEVAL and RT_DEVICE_CTRL_RTC_SET_TIMEVAL ops
  • Remove RT_DEVICE_CTRL_RTC_GET_TIME_US and RT_DEVICE_CTRL_RTC_SET_TIME_US. Add RT_DEVICE_CTRL_RTC_GET_TIMEVAL and RT_DEVICE_CTRL_RTC_SET_TIMEVAL. The RT_DEVICE_CTRL_RTC_GET_TIMEVAL cmd can get second time and microsecond time.
  • Change core.c/.h name to rtc.c /.h
  • Update rt_rtc_dev_register function name to rt_hw_rtc_register
  • Change localtime name to localtime_r
• [ethernetif] replace rt_memcpy with SMEMCPY
• [sdio] remove rt_mmcsd_blk_init
• Update time
  • Fix an issue where POSIX related functions were not protected for critical sections
  • Adjust the judgment logic of posiX related functions to obtain time results
  • Rename nonstandard liBC functions and reposition the time.h definition
  • Revert the old code
• Fix the sem init check bug in pthread.
• Fix MMC initialization error, write card->csd as card->cid
• Update serial
  • Add CTS/RTS flowcontrol
  • Implement function of getting window's size(TIOCGWINSZ)
  • Optimized RT_USING_POSIX_TERMIOS precompilation
  • Serial_v2 support device ops feature
  • Fix the problem that serial Close did not clear the callback interface
  • Optimize send non-blocking problem when serial_close does not execute rt_completion_done
  • Optimize DMA receive processing flow and decouple the driver to call the API interface of the serial port framework
  • Added the Serial V2 framework and the Serial port driver based on STM32
  • Serial_v2 support device ops feature
  • Fix do RT_DEVICE_CTRL_CLOSE cmd when close serial device regardless of DMA config
• Update lwip
  • Fix lwIP critical section protection bug
  • Set default lwip stack for old bsp folder.
  • Change default lwip stack to lwip2.0.3
  • Fix delete useless code.
  • The "event_callback" will be change by RT-Thread dfs.
  • Adjust the string.h position
  • LWIP_TIMEVAL_PRIVATE: provided by <sys/time.h>
  • LWIP2.0.2 and 2.1.2 remove ERRNO
  • Remove ESHUTDOWN from LWIP
  • Remove the possible critical zone risk
  • Iperf speed test have been stable.
  • The overflow problem of lwip rx thread mailbox.
• [pm] Index should be less than PM_MODLUE_MAX_ID
• [cputime] Add sys/errno.h
• Update msh
  • Implement tail command
  • Fix shell msh_exec memory over-bound.
• Update dfs
  • Fix F_GETFL/F_SETFL should be handled by the drivers.
  • Change the default maximum number and type of the file system to 4
  • Add format_ignore file, exclude fatfs format check
  • Add comments for _device_fs
• Update ymodem
  • Modified the enabling conditions of YMODEM USING FILE TRANSFER
  • Check the file path's legitimacy of'sy' command
• Add new component: rt-link
• [net] Add the function of set [internet up] status, activate the callback.
• [components] Remove uip
• Update ulog
  • Using gettimeofday for timestamp get
  • Fix thread info show when kernel not startup
  • Increase the usec check time
  • Add output locker enabled API
• Update FatFs
  • Update the mutex protection timeout can be set using Kconfig
  • Fix the time dependent function opening condition

BSP and CPU porting

• Support armclang
• [stm32h750-artpi-h750] Complete bsp
• [ls2k] Fix missing header file applications
• [AT32] Complete BSP
• Add _CRT_DECLARE_NONSTDC_NAMES=0 macro definition in simulator bsp
• Refresh the project and remove rtlibc and duplicate definitions in simulator bsp
• Update libcpu
  • Modified the irq handle interface rt_hw_trap_IRq to support intercore IPI interrupt processing
  • Add interface dcache invalidate/dcache clean&invalidate
  • Adjust the stack_top to bss
  • Remove gtimer/pmu from cortex-a
  • Repair hard fault return bug
  • Add in Cortex-A to turn on the _rt_FFS implementation when RT_USING_CPU_FFS macro definition
  • Add interface to get Cortex-A Generic Timer frequency
  • Add GICV3 interrupt controller code, updated MenuConfig configuration options with utest config.h
  • Tidy up the cortex-a aarch32 boot code
  • Fix RTC driver compile error
  • add gic&gtimer interface
  • Optimized the condition for automatically enabling FPU when cortex-A does not define an exception
  • Fix inconsistent function behavior with different optimization levels
  • Correct cortex-m23 rvds.S including for armclang platform.
• Fix simulator:
  • Fix sd_sim.c compilation error using rt_dgb instead of old debug output
  • Refresh the project and remove rtlibc and duplicate definitions
  • Add _CRT_DECLARE_NONSTDC_NAMES=0 macro definition
• Fix stm32f407-explorer
  • Optimize fal Settings
  • Update readme
  • Implement ESP8266 configuration in extended module driver menu
  • Optimized Kconfig file system naming, SFUD registration w25Q128 name adaptive, avoid users to set more than one step name
• Add more BSP on BSP framework:
  • VangoV85xx
  • hc32l136
  • ap32f103xe-miniboard
  • gd32407v-start
  • mm32f103x
  • ch32f103c8-core
  • n32g452xx
  • hc32l196
  • hc32f460petb
  • gd32f105c-eval
  • nrf52833
  • hc32f030c8t6-mini
  • fm33lc0xx
  • stm32l4r9-st-sensortile-box
  • stm32f302-st-nucleo
  • mm32f3270
  • stm32f407-robomaster-c
  • qemu-riscv-virt64
  • gd32350r-eval
  • stm32f407-armfly-v5
  • juicevm
  • stm32f207-st-nucleo
  • m2354
• [ch32f103c8-core] rename function name: ch32f1_hwtimer_clock_init, ch32f1_hwtimer_clock_get
• Fix thread-smart
  • Support T-HEAD Xuantie-E9xx Series CPU on Smart-EVB, eg. E906/F/D/P, E907/F/D/P
  • Formatting code
  • Add QEMU support, and code optimization for thead extension
• [mm32f327x] Fix .ignore_format file path error
• [hc32f4a0] Fix syntax errors in scons scripts
• [x86] Enable romfs
• Replace gmtime with gmtime_r
• [swm320-lp100] Update libraries
• [ft2004] Add gtimer support and fixed can driver initialization issues
• Fix bluetrum
  • Optimizing the uart driver
  • Fix RTC driver building errors
  • Add RT_USING_CONSOLE judgment
• [nrf52x] Optimize drv_wdt.c
• [mm32f327x] Add on-chip flash driver
• [imxrt1064-nxp-evk] Improved I2C, UART,LCD kconfig, fixed i2C imXrT_i2C_mST_xfer function that would write an address before reading data
• [w60x] Fix UART1 function unavailable
• [gd32450z-eval] Update firmware library and delete usb relate library codes
• [raspi4-32] Update raspi4-32 eth drv
• [bluetrum] Fix uart1 and uart2 cannot recv data
• Fix STM32
  • Implement rtc driver to RTC framework V2.0
  • Add spi config increases irq_type
  • Fix driver library USBH initialization errors
  • Add timeval ops for STM32 platform Sub-second timestamp.
• Remove BSP on BSP framework:
  • realview-a8
  • fh8620
  • gkipc
  • stm32f20x
  • efm32
  • zynq7000
  • stm32f1.0-mini-sysytem
• Fix unused device frame error
• Update GPL license to Apache-2.0, and format files
• Fix incorrect setting of word length when parity check is enabled on the STM32 serial port

Tools

• Support windows cmake tool
• Optimization the EXTERN_LIB variable use
• Update eclipse project after dist
• Add default project name and project path while --dist-ide
• Fix the problem of an error when opening menuconfig after the project is dist
• Update cmake.py, add c++ support and libpath.
• Python 3 compatibility support
• Update eclipse.py to compatible tasking