Renamed release note.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/stable_19.1.x@12588 110e8d01-0319-4d1e-a829-52ad28d1bb01

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+******************************************************************************

+*** ChibiOS 19.1.0 Release Notes.                                          ***

+******************************************************************************

+

+ChibiOS 19.1.0 is composed of several independent but inter-operable

+sub-projects: RT, NIL, HAL, EX. Plus several external libraries

+integrated in our structure: WolfSSL, FatFS and lwIP.

+

+*** ChibiOS 19.1.0 highlights ****

+

+This release is focused on features and  general improvements, HAL, RT and NIL

+received a series of important improvements, new features have been added.

+

+*** ChibiOS 19.1.0 general improvements ***

+

+- CMSIS 5.4.0 has been integrated.

+- Improved build system based on make.

+- Now it is possible to define separate directories for each configuration

+  file.

+- Demo projects reworked to use the new make system and remove configuration

+  files from the root.

+- Linker scripts improvements.

+

+*** What's new in RT/NIL ports ***

+

+- Added a sanity check on GCC version for ARMv6-M, a version below 6

+  must be used.

+

+*** What's new in OS Library 1.0.0 ***

+

+- Separated OSLIB from RT and NIL, now it is a separate "product" with

+  its own version, configuration file and licensing. The library will

+  grow to include more functionalities.

+  RT and NIL will contain only the core functionalities, everything else

+  is shared library code.

+- Added a new "pipes" subsystem.

+- Many improvements in Memory Pools, Object FIFOs.

+- Stricter alignment checks in memory pools.

+- chFifoObjectInit() renamed to chFifoObjectInitAligned(). Added a new

+  chFifoObjectInit() without the alignment parameter.

+

+*** What's new in RT 6.0.0 ***

+

+- C++ wrapper reworked, now it is mostly inline code, added some new

+  wrappers and methods. Added wrappers for more API functions. BaseThreads

+  are no more descendants of ThreadReference.

+- Change, chMtxGetNextMutexS() renamed to chMtxGetNextMutexX().

+- Added a new function chMtxGetOwnerI() to mutexes.

+

+*** What's new in NIL 3.2.0 ***

+

+- Added chThdResume() function.

+

+*** What's new in HAL 7.0.0 ***

+

+- Added new SIO, TRNG, WSPI driver models.

+- Removed EXT, QSPI driver models.

+- Removed TRNG functionality from CRY driver.

+- Low level drivers simplification. There is a new template of LLD, now

+  driver and configuration types are defined in the HLD, LLD just exports

+  macros with the fields to be added to the structures.

+  So far the drivers updated are: ADC, DAC, I2S, RTC, SPI, TRNG, WSPI.

+- New infrastructure for Serial NOR Flash devices.

+- New and improved MFS subsystem.

+- Improved CRY driver with better keys loading.

+- Added a new "persistent storage" base class.

+- Modified the RTC driver to implement the persistent storage interface

+  instead of files interface.

+- Added optional support for character match callback in the UART

+  high level driver.

+- Added new functions to I/O queues: qSetLink().

+- ADC driver state machine change, now the state ADC_COMPLETE is set

+  before calling the 2nd callback even in circular mode. This has been

+  done for consistency with other drivers with circular buffers.

+- The callbacks of drivers with circular buffers (ADC, DAC, I2S, SPI) have

+  been simplified, no parameters. A driver function xxxIsBufferComplete()

+  has been added to determine if it is the half buffer callback or the

+  final callback.

+- Event enable check API added to PAL driver.

+

+*** What's new in EX 1.1.0 ***

+

+- All drivers updated.

+- Added support for LDM303AGR 6 axis Accelerometer\Magnetometer MEMS.

+- Added support for LSM6DSL 6 axis Accelerometer\Gyroscope MEMS.

+- Added support for LPS22HB 2 axis Barometer\Thermometer MEMS.

+

+*** What's new in AVR HAL support ***

+

+

+*** What's new in STM32 HAL support ***

+

+- Introduced support for STM32L4+ devices.

+- Added support for STM32L433 and STM32L443.

+- Added support for STM32L072 and STM32L073.

+- Added support for TIM21 and TIM22 in STM32 GPT driver.

+- Added support for TIM15, TIM16 and TIM17 on GPT, ICU and PWM drivers.

+- Both DMAv1 and DMAv2 have been reworked to support DMAMUX, DMAv3 has

+  been removed. In addition, both drivers are now able to support dynamic

+  channel allocation.

+- Updated all drivers to use the new DMA API.

+- Added demos for STM32L496ZG-Nucleo144, STM32L4R5ZI-Nucleo144 and

+  STM32L4R9I-Discovery boards.

+- Updated STM32L4xx headers to version 1.11.0.

+- Restructured the STM32F4xx HAL support, added support for STM32F413,

+  added ability to handle the TIMPRE bit, separated the clock tree in

+  two distinct implementation to reduce the proliferation of compiler

+  time conditionals, added more checks to the input parameters.

+- Added support for oversampling in STM32 ADCv3 driver.

+- Added analog watchdog functionality to STM32 ADCv2 driver.

+- STM32 ADCv3, DACv1, I2Cv2, SPIv2 and USARTv2 are now DMAMUX-aware.

+- Modified USARTv2 to support HW FIFOs where present.

+- Added UART7/8 support to STM32 UART USARTv1 driver.

+- Added an EXTI helper driver.

+- RTCv2 driver now supports callbacks on events.

+- Added option to enable bypass on SDIOv1 driver allowing to use a

+  50MHz clock.

+

+*** What's new in tools ***

+

+- Added mcuconf.h generators for STM32L432xx, STM32L476xx, STM32L496xx,

+  STM32L4Rxxx, STM32F72x/73x, STM32F746/756, STM32F76x/77x, STM32F413xx

+  and STM32F303xx devices.