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+Status:

+- = Planned.

+X = In progress, some work done.

+* = Done.

+? = Not sure if worth the effort or useful at all.

+N = Decided against.

+

+Within 2.1.x

+* Binary Semaphores on top of Counting Semaphores.

+* Direct unbuffered UART driver.

+  Requirements: low level, callbacks, DMA capable, state machines buildable

+                on top, support data words greater than 8 bits, callback for

+                "last byte transmitted (RS485)", simple implementation,

+                verifiable.

+* Rework STM32 drivers to use friendly IRQ names and centralized DMA macros.

+* I-class functions for the ADC/PWM drivers.

+* All the device driver structures must have a fields extension macro and

+  initializer hook.

+* All the device driver callbacks must have the driver pointer as first

+  parameter.

+* Change the SPI driver to be able to work asynchronously using callbacks,

+  keep the synchronous APIs available as option.

+* Add an optional spiPolledExchange() API to the SPI driver model.

+* Update the STM32 SPI driver to the new model.

+* Make the ADC driver have the same synchronous/asynchronous API of the

+  new SPI driver model.

+* General HAL improvements.

+* Update the AT91SAM7 SPI driver (DMA and/or ISR).

+  * Verify the FatFs demo on both the AT91SAM7X and AT91SAM7S.

+* Update the LPC214x SPI driver (ISR).

+  * Verify the LPC214x FatFs demo.

+* Write a new SPI driver for LPC1xxx (ISR)(it should be very close to the

+  LPC214x one).

+N Evaluate if to add a synchronous API to the UART driver, eventually do so.

+* Global documentation reorganization in order to allow both separate documents

+  and the usual blob document.

+* PDF generation from the documentation system (only separate documents, not

+  the blob).

+* Automatic compilation and upload of the various documents on the web site

+  (doxygen + rsync).

+* New STM8S/A SPI driver.

+* Reorganization of the STM32 family port-level support.

+* Remove preprocessor directives from the assembler files and restore the

+  RIDE7 build files in the STM32 demo.

+* Move dynamic APIs into a separate source file.

+* Improved support in the STM32 HAL support for multiple sub-families. Do

+  not check for the family in the various drivers but simply check for

+  switch macros like STM32_HAS_USART3, STM32_HAS_SPI3. This what the

+  drivers will not need changes when adding new sub-families.

+* STM8L official HAL support, it will have to be separated from the STM8S/STM8A

+  HAL because it is very different.

+  * Shared ISR management.

+  * STM8L-Discovery demo.

+* Add the STM32F100 (Value Line) sub-family to the official STM32 HAL support.

+  * STM32VL-Discovery demo.

+* Remove the PAL default configuration from the various hal_lld.c and move

+  them into board.c files, this will remove an ugly dependency.

+* Realign the STM8 port to the new STM8L one as options, naming conventions

+  and general solutions.

+* Support for more compilers (IAR, Keil, ARMCMx only initially).

+X Support for not just Makefiles (Ride7, Crossworks etc).

+* IAR port for Cortex-Mx, add demos for all the supported families.

+* Keil port for Cortex-Mx, add demos for all the supported families.

+* Change the serial drivers to have a single event source instead of three.

+  Add Rx and Tx to the existing flags mechanism. Move up the flags handling in

+  the superclass.

+X Except for the above, bug fixing only until the 2.2.0 release.

+

+Within 2.3.x (hopefully)

+- Resist doing more changes and optimizations to the kernel.

+? Make thread functions return void.

+- Introduce a "THREAD" function prefix in order to hide compiler-specific

+  optimizations for thread functions.

+X Add an USB abstract device driver class.

+X USB driver implementation for STM32F103/STM32F102.

+X Add a Serial over USB generic device driver implementing a USB Communication

+  Device Class and offering a Serial-like interface to the applications.

+- Add a switch to enable/disable the priority inheritance algorithm in mutexes.

+X File System infrastructure.

+  - Official FatFs wrapper using the new infrastructure, dedicated test suite.

+X Transactional flash file system implementation.

+X I2C device driver class support and at least one implementation.

+- Serial over UART complex driver driver, evaluate from the performance

+  results if to make obsolete the current dedicated Serial driver.

+X Shared DMA channels support in the STM32/STM8L HALs.

+X New device driver models: Clock, Systick, RTC, WDG, DAC, Power Monitor.

+- MAC driver for STM32F107 (hardware missing).

+- Device drivers for STM8/STM8L (ADC, PWM, bring them on par with STM32).

+- Batch testing of the ARM7/ARMCMx port using OpenOCD, with reports.

+- Debug-related features and tools.

+- Add a *very simple* ADC API for single one shot sampling (implement it as

+  an injected conversion on the STM32).

+- Update C++ wrapper (Heap, Pools, Mailboxes and any new feature).

+- Threads Pools manager in the library.

+

+Later but within 2.x.x

+- Dedicated TCP/IP stack.

+? ISO7816 driver over UART driver, both reader and card side (hardware

+  missing).

+- Merge the Coldfire branch in mainline (hardware missing).

+- Merge the H8S branch in mainline (hardware missing).

+- MAC driver revision in order to support copy-less operations, this will

+  require changes to lwIP or a new TCP/IP stack however.

+

+Ideas for 3.x.x:

+- MMU/MPU support.

+- High resolution timers and tickless kernel.

+- Multicore support.

+

+Side projects:

+X ChibiOS Wizard, UML modeling and ChibiOS applications code and

+  documentation generator.

+? File System

+- Visual debugger/monitor interfaced through OpenOCD.