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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.
| +--build/ - Documentation builders.
| +--manual/ - Manuals directory.
| +--quality/ - Reports and metrics.
| +--various/ - Various support files.
+--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 ***
*****************************************************************************
*** 21.11.1 ***
- NEW: Added EFL driver implementation for STM32G4xx.
- 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: 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: Fixed PWR_CR2_USV not set in STM32L4+ mcuconf.h file (bug #1207).
- FIX: Fixed USB not enabled on STM32F103x6 (bug #1206).
- FIX: Fixed RT test suite build fails when CH_CFG_USE_TIMESTAMP is FALSE
(bug #1205).
- FIX: Fixed wrong number of CAN filters for STM32L496/9A6 (bug #1204).
- FIX: Fixed DMA stream not disabled in STM32 QUADSPIv1 driver (bug #1203).
- FIX: Fixed I2C4 DMA streams for STM32L496 (bug #1202).
- FIX: Fixed STM32_SDMMC2_NUMBER on STM32H7 (bug #1201).
- FIX: Fixed STM32G0B1 demo application hangs debuggers (bug #1200).
*** 21.11.0 ***
- NEW: STM32 ADCv2 now supports return code on start function.
- NEW: Integrated FatFS with lwIP HTTPD, now it is possible to serve files
using HTTP from a storage device.
- NEW: Updated FatFS to version 0.14b.
- NEW: SPIv2 driver has been implemented on: STM32F0, STM32F1, STM32F3,
STM32F4, STM32F7, STM32G0, STM32G4, STM32L0, STM32L1, STM32L4,
STM32L4+, STM32H7.
- NEW: New SPIv2 driver model, it is compatible with the previous SPI driver
and introduces: better runtime errors handling, slave mode,
data synchronization function, various other improvements.
- NEW: Added an alternate port for ARMv7-M, it uses less RAM and it is
faster at interrupt processing, it is slightly slower at
thread-to-thread context switch so it is not a full replacement.
- NEW: Now all xxxStart() functions in HAL are able to report a driver
activation error.
- NEW: Support for STM32G031, STM32G041, STM32G0B1, STM32G0C1.
- NEW: Made STM32H7 non-cacheable memory option also shareable.
- NEW: EFL driver and demo for STM32F3xx.
- NEW: New unit test subsystem under /os/test. Now it is officially
ChibiOS/TEST.