/**
@page rtos_log RTOS Change Log

@section FreeRTOS FreeRTOS for MCUXpresso SDK.
The current version is Amazon-FreeRTOS 202012.00 Original package is available at <a href="https://github.com/aws/amazon-freertos">github.com/aws/amazon-freertos</a>.

  - 202012.00_rev0
      - update amazon freertos version.
      - update libraries/logging from github.com/aws/amazon-freertos (commit fc1d0e3c72ca791624477474bc7b5e5c15f9429d)

  - 202007.00_rev0
      - update amazon freertos version.

  - 202002.00_rev2
      - updated aws_iot_ota_agent.c for enabling OTA canceling (new state transition from eOTA_AgentState_WaitingForFileBlock to eOTA_AgentEvent_ReceivedJobDocument)

  - 202002.00_rev1
      - updated iot_tls.c as per latest SSS stack v2.14. All SSS/SE05x code under conditional compilation.
      - fix "\#pragma weak"" issue caused by IAR update to version 8.50.5. Use __weak definition of vPortSetupTimerInterrupt instead of "\#pragma weak" declaration.

  - 202002.00_rev0
      - update aws_iot_network_manager
      - enable lowpower tickless for CA9, CM33

  - 201908.00_rev0
      - update amazon freertos version
      - Fix freertos_tasks_c_additions.h - fix IAR build fail
      - update queue.c - add definition for pvBuffer necessary for segger sysview
      - iot_crypto.c - change include file to be possible include mbedtls config file defined by MBEDTLS_CONFIG_FILE macro
      - iot_mqtt_agent.h - extend MQTTAgentConnectParams_t structure - required by se_hostlib examples
      - Fixed build warnings:
          - aws_dev_mode_key_provisioning.c - some variables were declared but never referenced
          - aws_iot_network_manager.c - some functions were declared but never referenced
          - iot_device_metrics.c - add include
          - iot_pkcs11_mbedtls.c - incompatible pointer type, unused variable
          - iot_demo_freertos.c -  macro expansion producing 'defined' has undefined behavior
          - iot_pkcs11_mbedtls.c - comparison of address not equal to a null pointer is always true
          - pkcs11.h - '__PASTE' macro redefined
      - changes required for se_hostlib examples
          - iot_default_root_certificates.h  tlsCombi_ROOT_CERTIFICATE_PEM added for se_hostlib cloud demos
          - iot_mqtt_agent.h modified structure to support for clouds which use usename and password
          - iot_mqtt_agent.c assigning structure to support for clouds which use usename and password
          - iot_crypto.c threading alt under MBEDTLS_THREADING_ALT
          - iot_tls.c Supoort for secure element handling
          - aws_pkcs11_pal.c pkcs11 handling for SE050
      - Introduced aws_ota_pal.c for RT1060 supporting ota_bootloader (mcu-boot)
      - updated lwIP template with options for core locking

  - 1.4.9_rev0
      - Remove 3rd party libraries lwip, mbedtls (use MCUXpresso SDK versions).
      - Add missing comments to heap_useNewlib.c.

  - 1.4.7_rev0
    - New features:
      - Add optional allocation scheme heap_useNewlib.c by D. Nadler.
      - Enable task aware debugging for cm33 platforms
      - Move tickless implementation to application layer
    - Other changes:
      - Fix other build warnings, errors

  - 1.4.6_rev0
    - New features:
      - Update support of CM33 port with Trustzone, MPU, FPU support
      - Add support for AWS test for Cypress WiFi
      - Use lwip netif api to avoid lwIP raw API calls outside of tcpip thread in aws_wifi.c
    - Other changes:
      - Fix issues with mflash driver
      - Fix other build warnings, errors

  - 1.4.0_rev1
    - New features:
      - Add implementation of vTaskEndScheduler for CM0 GCC port.
      - Support for CM33, CM33F architectures based on CM3, CM4F ports

  - 1.4.0_rev0
    - New features:
      - Support for pkcs11 for several platforms, secure element host library under pkcs11/portable/nxp folder
      - Lwip, wifi_qca support for secure_sockets in secure_sockets/portable/nxp folder
      - Flash driver support for several platforms in third_party/mcu_vendor/nxp folder
      - Generic support for aws_wifi under wifi/portable/nxp/common folder
    - Other changes:
      - Fix several build warnings, errors

Updates applied to FreeRTOS kernel up to version 10.0.0 (up to Amazon - FreeRTOS merge).
New kernel related changes will be described in section above as part of AWS package.

  - 9.0.0_rev3
    - New features:
      - Tickless idle mode support for Cortex-A7. Add fsl_tickless_epit.c and fsl_tickless_generic.h in portable/IAR/ARM_CA9 folder.
      - Enabled float context saving in IAR for Cortex-A7. Added configUSE_TASK_FPU_SUPPORT macros. Modified port.c and portmacro.h in portable/IAR/ARM_CA9 folder.
    - Other changes:
      - Transformed ARM_CM core specific tickless low power support into generic form under freertos/Source/portable/low_power_tickless/.

  - 9.0.0_rev2
    - New features:
      - Enabled MCUXpresso thread aware debugging. Add freertos_tasks_c_additions.h and configINCLUDE_FREERTOS_TASK_C_ADDITIONS_H and configFRTOS_MEMORY_SCHEME macros.

  - 9.0.0_rev1
    - New features:
      - Enabled -flto optimization in GCC by adding __attribute__((used)) for vTaskSwitchContext.
      - Enabled KDS Task Aware Debugger. Apply FreeRTOS patch to enable configRECORD_STACK_HIGH_ADDRESS macro. Modified files are task.c and FreeRTOS.h.

  - 9.0.0_rev0
    - New features:
      - Example freertos_sem_static.
      - Static allocation support RTOS driver wrappers.
    - Other changes:
      - Tickless idle rework. Support for different timers is in separated files (fsl_tickless_systick.c, fsl_tickless_lptmr.c).
      - Removed configuration option configSYSTICK_USE_LOW_POWER_TIMER. Low power timer is now selected by linking of apropriate file fsl_tickless_lptmr.c.
      - Removed configOVERRIDE_DEFAULT_TICK_CONFIGURATION in RVDS port. Use of __attribute__((weak)) is the preferred solution. Not same as _weak!

  - 8.2.3
    - New features:
      - Tickless idle mode support.
      - Added template application for Kinetis Expert (KEx) tool (template_application).
    - Other changes:
      - Folder structure reduction. Keep only Kinetis related parts.

*/
