Release note draft.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11270 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 118 insertions, 77 deletions

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 ******************************************************************************

 

 ChibiOS next is composed of several independent but inter-operable

-sub-projects: RT, NIL, HAL, EX.

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

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

 

 *** ChibiOS next highlights ****

 

-This release is focused on RTOS general improvements, both RT and NIL received

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

+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 next general improvements ***

 

-- Shared licensing headers under /os/licenses, now all products are handled

-  by the same license include files.

-- New ChibiOS/EX subsystems. EX sits on top of HAL and provides portable

-  drivers for devices residing the MCU like MEMS, sensors, memories,

-  displays etc.

-- Shared RTOS components, now allocators, mailboxes and binary semaphores

-  are usable by both RT and NIL.

-  - Memory Pools now have a new variant named "Guarded Memory Pool" including

-    a semaphore that guards the allocation function, the caller waits if there

-    is not an object available in the pool.

-- FatFS 0.10b has been integrated.

-- Rationalized source tree to reduce code duplication.

-- New unit test library.

-- Test suites have been rewritten using an unique code generation system

-  starting from XML descriptions.

-- Startup files have been separated from ports and licensed under Apache 2.0

-  license, now it is possible to use ChibiOS startups and ld files in projects

-  without RT, NIL, HAL or EX.

-- Improved GCC ld scatter files with multi RAM/Flash regions capability.

-- GCC makefiles system improvements.

-- Support for all new Nucleo and Discovery boards from ST.

-- CMSIS updated to version 4.50.

-- Enhanced shell with history and quoted parameters. Common commands have

-  beed included in a shared module in order to avoid duplication in the

-  various demos.

+- WolfSSL 1.12.2 has been integrated. HTTPS demo added.

+- FatFS 0.13 has been integrated.

+- lwIP 2.0.3 has been integrated.

+- CMSIS 5.1.1 has been integrated.

+- Improved build system based on make.

+- Improved integration with Eclipse, launch configurations have been

+  centralized for many projects.

+- Several HAL and test applications have become "multi projects", a single

+  project is able to build for multiple targets/boards.

+- Improved test engine.

+- Added a test suite generator written in FTL, now it is possible to generate

+  test code without the need of SPC5Studio.

+- Added a board files generator written in FTL, now it is possible to generate

+  board files without the need of ChibiStudio.

 

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

 

-- Common ports architecture. Now RTOS ports work for both RT and NIL, no

-  more code duplication. Ports are now also licensed for both NIL and RT.

-- MPU use for hardware stack checking in ARMCMx port.

-

-*** What's new in RT 4.0.0 ***

-

-- Now uses the common ports architecture.

-- Now uses the new shared RTOS components.

-- New threading API, now creating static threads is even faster.

-- Extended priority range from 1..127 to 1..255.

-- Enhanced dynamic threading, safer and easier to use.

-- Enhanced Registry, it is now possible to find threads by name, by pointer

-  or by working area.

-- Enhanced trace buffer, it is able to store events regarding not just threads

-  but also IRQs, halts and user events. The trace record now stores both the

-  "slow" system time and a RT stamp for increased accuracy.

-- New kernel hooks for a more flexible code instrumentation.

-- Removed I/O queues, now the HAL has an improved equivalent.

-- Experimental NASA OSAL implementation.

-- Posix simulator added.

-

-*** What's new in NIL 2.0.0 ***

-

-- Now uses the common ports architecture.

-- Now uses the new shared RTOS components.

-- Added implementation of thread queues directly in the kernel, removed it

-  from NIL OSAL.

-- All new features are optional so there is no code size increase.

-- Enhanced source-level compatibility with RT.

-- Enhanced debug features.

-  - State checker like in RT.

-  - Parameters checks like in RT.

-

-*** What's new in HAL 5.0.0 ***

+- GHS compiler support added to the Power e200z port.

+- Experimental ARM Cortex-A Trust Zone support.

 

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

+

+- OS library now has its own test suite.

+- Mailbox API changed by adding "Timeout" to those function that have

+  timeout capability, for consistency with the rest of the system.

+- Added an "Objects Factory" to the OS Library, it allows to dynamically

+  allocate reference-counted kernel objects/buffers or to register

+  static objects. Allocated/registered objects can be retrieved by name.

+- Added an "Objects FIFO" object to the OS Library, it allows to

+  exchange complex objects between threads/ISRs. It is based on a

+  mailbox and a guarded memory pool.

+- Added alignment handling to memory pools.

+

+*** What's new in RT 5.0.0 ***

+

+- The type systime_t has been split in systime_t and sysinterval_t, the

+  two can have different size. The system is now more rigorous in time

+  handling, an absolute time is something different from an interval,

+  sysinterval_t can be larger than the systime_t, this means that it is

+  now possible to use very long intervals when the system time uses a small

+  counter.

+- Time conversion macros have been renamed in TIME_S2I(), TIME_MS2I(),

+  TIME_US2(), TIME_I2S(), TIME_I2MS() and TIME_I2US. Conversion is now done

+  by casting all operands to a large time_conv_t type improving safety by

+  eliminating integer truncations.

+- Time conversion functions have been renamed in: chTimeS2I(), chTimeMS2I(),

+  chTimeUS2I(), chTimeI2S(), chTimeI2MS() and chTimeI2US().

+- New functions have been added for dealing with operations with time and

+  intervals: chTimeAddX() and chTimeDiffX().

+- All functions that have a timeout parameter now take a sysinterval_t type

+  instead of systime_t.

+- Improved test suite.

+- Enhanced Events API, added chEvtGetAndClearEventsI() and chEvtAddEventsI().

+- The chconf.h configuration files now are tagged with the version

+  number for safety. The system rejects obsolete files during

+  compilation. Stronger checks are performed on chconf.h, now missing

+  settings trigger an error instead of getting a default.

+

+*** What's new in NIL 3.0.0 ***

+

+- The type systime_t has been split in systime_t and sysinterval_t, the

+  two can have different size. The system is now more rigorous in time

+  handling, an absolute time is something different from an interval.

+- Time conversion macros have been renamed in TIME_S2I(), TIME_MS2I(),

+  TIME_US2(), TIME_I2S(), TIME_I2MS() and TIME_I2US. Conversion is now done

+  by casting all operands to a large time_conv_t type improving safety by

+  eliminating integer truncations.

+- New functions have been added for dealing with operations with time and

+  intervals: chTimeAddX() and chTimeDiffX().

+- All functions that have a timeout parameter now take a sysinterval_t type

+  instead of systime_t.

+- Improved test suite.

+- The chconf.h configuration files now are tagged with the version

+  number for safety. The system rejects obsolete files during

+  compilation.

+

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

+

+- Added a Managed Flash Storage module to the HAL. This modules handles

+  garbage collection, storage self-repair and wear leveling.

 - Improved serial driver.

-  - It is possible to set a different buffer size for each port.

-  - SW overruns and HW overruns now have a separate event flag.

-- Events handling in the PAL driver. Now it is able to support interrupts

-  handling and callbacks.

-- EXT driver is still supported but marked as deprecated.

-- New interface for flash devices (used by EX).

-- New interfaces for accelerometer, barometer, compass, gyroscope,

-  hygrometer and thermometer devices (used by EX).

-- Added an I2C bit banged driver as fall-back for faulty hardwares.

-- Improved OSAL architecture with shared sub-modules.

-- All file names have been prefixed by "hal_" in order to prevent collisions

-  with 3rd parties files. This should make integration of external libraries

-  much easier.

-- Improved behavior of HAL queues, now the timeout is absolute not just an

-  inter-byte timeout.

+  - Added a "control" function to the channels interface, it allows to add

+    custom features to the various implementations.

+  - Added I-class functions to the serial driver: sdGetI(), sdReadI(),

+    sdPutI() and sdWriteI().

+- Improved PAL driver.

+  - Added an user parameter to the PAL callbacks for consistency with other

+    drivers.

+  - Added blocking functions for edge synchronization: palWaitLineTimeout()

+    and palWaitLineTimeoutS().

+- Improved SPI driver.

+  - Now there are multiple modes for CS handling: by PAL pad (previous one), by

+    PAL line, by PAL port mask and LLD-specific.

+  - Added circular continuous mode to the SPI driver.

+- Improved CAN driver.

+  - Added callback capability to the CAN driver. Now it is possible to use

+    callbacks in place of classic events.

+- Improved USB driver.

+  - Added a usbWakeupHost() function for standby exit.

+- Modified the HAL queues to improve performance. Added new functions:

+  iqGetI(), iqReadI(), oqPutI() and oqWriteI().

+

+*** What's new in EX 1.0.0 ***

+

+- None changed.

+

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

+

+- Updated SPI drivers to implement the new circular mode of the HAL SPI

+  driver model.

+- Updated STM32F1xx headers to 1.6, STM32F3xx to 1.9, STM32L0xx to 1.10,

+  STM32L4xx to 1.9, STM32H7xx to 1.1.

+- Implemented PAL enhancements in GPIOv1, GPIOv2 and GPIOv3 implementations.

+- Modified the STM32 OTGv1 driver to work without pump thread, transfers

+  are now done in the ISR.

+- Added STM32L496xx/STM32L4A6xx support.

+- Added STM32F030x4 support.

+- Added initial STM32H7xx support.

+  
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