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readme.txt
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readme.txt
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*****************************************************************************
*** Files Organization ***
*****************************************************************************
--{root} - ChibiOS directory.
+--readme.txt - This file.
+--documentation.html - Shortcut to the web documentation page.
+--license.txt - GPL license text.
+--demos/ - Demo projects, one directory per platform.
+--docs/ - Documentation.
| +--common/ - Documentation common build resources.
| +--hal/ - Builders for HAL.
| +--nil/ - Builders for NIL.
| +--rt/ - Builders for RT.
+--ext/ - External libraries, not part of ChibiOS.
+--os/ - ChibiOS components.
| +--common/ - Shared OS modules.
| | +--abstractions/ - API emulator wrappers.
| | | +--cmsis_os/ - CMSIS OS emulation layer for RT.
| | | +--nasa_osal/ - NASA Operating System Abstraction Layer.
| | +--ext/ - Vendor files used by the OS.
| | +--ports/ - RTOS ports usable by both RT and NIL.
| | +--startup/ - Startup support.
| +--ex/ - EX component.
| | +--dox/ - EX documentation resources.
| | +--include/ - EX header files.
| | +--devices / - EX complex drivers.
| +--hal/ - HAL component.
| | +--boards/ - HAL board support files.
| | +--dox/ - HAL documentation resources.
| | +--include/ - HAL high level headers.
| | +--lib/ - HAL libraries.
| | | +--complex/ - HAL collection of complex drivers.
| | | | +--mfs/ - HAL managed flash storage driver.
| | | | +--serial_nor/ - HAL managed flash storage driver.
| | | +--fallback/ - HAL fall back software drivers.
| | | +--peripherals/ - HAL peripherals interfaces.
| | | +--streams/ - HAL streams.
| | +--osal/ - HAL OSAL implementations.
| | | +--lib/ - HAL OSAL common modules.
| | +--src/ - HAL high level source.
| | +--ports/ - HAL ports.
| | +--templates/ - HAL driver template files.
| | +--osal/ - HAL OSAL templates.
| +--oslib/ - RTOS modules usable by both RT and NIL.
| | +--include/ - OSLIB high level headers.
| | +--src/ - OSLIB high level source.
| | +--templates/ - OSLIB configuration template files.
| +--nil/ - NIL RTOS component.
| | +--dox/ - NIL documentation resources.
| | +--include/ - NIL high level headers.
| | +--src/ - NIL high level source.
| | +--templates/ - NIL configuration template files.
| +--rt/ - RT RTOS component.
| | +--dox/ - RT documentation resources.
| | +--include/ - RT high level headers.
| | +--src/ - RT high level source.
| | +--templates/ - RT configuration template files.
| +--various/ - Various portable support files.
+--test/ - Kernel test suite source code.
| +--lib/ - Portable test engine.
| +--hal/ - HAL test suites.
| | +--testbuild/ - HAL build test and MISRA check.
| +--nil/ - NIL test suites.
| | +--testbuild/ - NIL build test and MISRA check.
| +--rt/ - RT test suites.
| | +--testbuild/ - RT build test and MISRA check.
| | +--coverage/ - RT code coverage project.
+--testex/ - EX integration test demos.
+--testhal/ - HAL integration test demos.
*****************************************************************************
*** Releases and Change Log ***
*****************************************************************************
*** Next ***
- NEW: Added dubby cycles support for SNOR using the normal SPI driver.
- NEW: Disabled priority check on STM32 EXTI interrupts when the default
ISR is disabled. This allows for fast interrupts.
- NEW: Added support for UART9 and USART10 on STM32H7.
- NEW: Improved MFS to use explicitly non-cacheable buffers for potentially
DMA-accessible I/O areas.
- NEW: FatFS now functional on STM32H7xx, added a target to the VFS demo.
- NEW: Improved cache settings in STM32H7xx mcuconf.h.
- NEW: Modified SDMMCv2 to allow for uncached buffers, tested on STM32H7xx.
- NEW: Added OCTOSPIv2 driver using MDMA for STM32H7xx.
- NEW: Added demos for STM32H723ZG Nucleo144 and STM32H735ZI Discovery boards.
- NEW: Added support for STM32H723/25/33/35.
- NEW: Updated ST Cube headers for STM32H7xx.
- NEW: Added a Posix-favored shell named "msh" (Mini Shell). The shell is able
to run sub-apps inside the same sandbox. The shell can either be placed
statically in flash or loaded dynamically in RAM.
- NEW: Added runnable "apps" capability to SBs, apps available so far: msh, ls.
- NEW: Added ability to load ELF files to SBs.
- NEW: Enhanced Posix API for SBs leveraging the VFS integration.
- NEW: SBs and VFS integration. Each SB can see its own VFS instance.
- NEW: Added integration of LittleFS on top of our flash infrastructure.
- NEW: Added a new MEM_IS_VALID_FUNCTION() macro to RT and NIL.
- NEW: Improved HAL flash interface with mutual exclusion methods, improved
EFL and SNOR drivers to use it.
- NEW: Added a centralized errors handler under /os/common/utils. It will
replace those in HAL and SB and will be shared among multiple subsystems.
- NEW: Added a new OOP model under /os/common/utils. It will replace the
one in HAL and will be shared among multiple subsystems.
- NEW: Changed SB configuration options names to be prefixed with SB_CFG_.
- NEW: Added a new CH_CFG_HARDENING_LEVEL option to RT.
- NEW: Added a chXXXDispose() function to all objects in NIL.
- NEW: Added a chXXXDispose() function to all objects in RT.
- NEW: Added VFS-related commands to the shell, disabled by default.
- NEW: Added a new VFS subsystem (Virtual File System), it allows to assemble
trees of files from multiple "File System Drivers" into a single tree
and access it as a whole.
- NEW: Added MEM_NATURAL_ALIGN macro to RT and NIL.
- NEW: Added static initializer for virtual timers in RT.
- NEW: Added new function chHeapIntegrityCheck().
- NEW: Added EFL driver implementation for STM32G4xx.
- NEW: Function chCoreGetStatusX() changed to return a memory region object
instead of a simple size.
- NEW: RT and NIL upgraded to support the enhanced OSLIB.
- NEW: Memory areas/pointers checker functions added to OSLIB.
- NEW: STM32G0B1 USBv2 driver.
- NEW: USBv1 driver optimization and removal of a potential race condition
(not demonstrated).
- NEW: Added elfAcquireBus()/eflReleaseBus() functions to EFL driver.
- NEW: Increased stacks size in RT test suite from 128 to 192. added an
option to override the stack size by defining THREADS_STACK_SIZE
in the makefile.
- NEW: Added STM32L073RZ-Nucleo64 to USB-CDC "multi" demo. Removed old demo.
- NEW: Added an STM32 WDG "multi" demo. Removed all old WDG demos.
- NEW: Added option to copy vectors in RAM on GCC startup for ARMv6-M,
ARMv7-M and ARMv8-M-ML.
- NEW: On STM32WBxx added a check on STM32_LSI_ENABLE required by IWDG.
- NEW: Added SPIv2 support also to STM32WB and STM32WL.
- FIX: Re-opened and fixed bug #1100
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed STM32 RTCv2 registers synchronization errata (bug #1231)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed STM32 ADCv1 and ADCv5 do not allow prescaler divide value of 1
(bug #1230)(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed missing chech on STM32 SPIv2 DMA settings for SPI1 (bug #1229)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed ARMv6-M port Keil compiler fail (bug #1228)
(backported to 21.11.2).
- FIX: Fixed invalid handling of lwIP NETIF_FLAG_LINK_UP flag (bug #1227)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed missing TIM16/17 errata handling for STM32G0xx (bug #1226)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed missing ADC errata handling for STM32G0xx (bug #1225)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed problem in the HAL I2C fallback driver (bug #1224)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed GPIOH clock not enabled on STM32L432 (bug #1223)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed invalid cumulative time stat in RT (bug #1222)
(backported to 21.11.2).
- FIX: Fixed incorrect type cast in TIME_I2US() (bug #1221)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed missing clock disable for STM32 OCTOSPI2 (bug #1220)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed wrong condition in STM32 sio_lld_read() function (bug #1219)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed STM32 Ethernet driver causes system hang after 2^31 packets
sent/received (bug #1218)(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed clock re-initialization problem in STM32 USARTv2 and USARTv3
drivers (bug #1217)(backported to 21.11.2).
- FIX: Fixed assertion on initialization of STM32H7xx (bug #1216)
(backported to 21.11.2).
- FIX: Fixed Virtual Timers failure in a specific condition (bug #1215)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed invalid STM32_OTG_STEPPING for STM32F40_41xxx (bug #1214)
(backported to 21.11.2).
- FIX: Fixed SPIv2 driver compile fails when SPI_USE_SYNCHRONIZATION is FALSE
(bug #1213)(backported to 21.11.2).
- FIX: Fixed invalid state transition in SNOR flash driver (bug #1212)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed missing exit condition in sioSynchronizeRX() and
sioSynchronizeTX() (bug #1211)(backported to 21.11.2).
- FIX: Fixed missing check in chobjcaches.h (bug #1210)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed misspelled chTraceSuspendI() function name (bug #1209)
(backported to 21.11.2).
- FIX: Fixed RT testbuild application broken (bug #1208)
(backported to 20.3.5)(backported to 21.11.2).
- FIX: Fixed PWR_CR2_USV not set in STM32L4+ mcuconf.h file (bug #1207)
(backported to 21.11.1).
- FIX: Fixed USB not enabled on STM32F103x6 (bug #1206)
(backported to 20.3.5)(backported to 21.11.1).
- FIX: Fixed RT test suite build fails when CH_CFG_USE_TIMESTAMP is FALSE
(bug #1205)(backported to 21.11.1).
- FIX: Fixed wrong number of CAN filters for STM32L496/9A6 (bug #1204)
(backported to 20.3.5)(backported to 21.11.1).
- FIX: Fixed DMA stream not disabled in STM32 QUADSPIv1 driver (bug #1203)
(backported to 20.3.5)(backported to 21.11.1).
- FIX: Fixed I2C4 DMA streams for STM32L496 (bug #1202)
(backported to 20.3.5)(backported to 21.11.1).
- FIX: Fixed STM32_SDMMC2_NUMBER on STM32H7 (bug #1201)
(backported to 20.3.5)(backported to 21.11.1).
- FIX: Fixed STM32G0B1 demo application hangs debuggers (bug #1200)
(backported to 21.11.1).