| 1 | /**
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| 2 | ******************************************************************************
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| 3 | * @file st_readme.txt
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| 4 | * @brief This file lists the main changes done by STMicroelectronics on
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| 5 | * LevelX for STM32 devices.
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| 6 | /*****************************************************************************
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| 7 | * Copyright (c) 2025 STMicroelectronics.
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| 8 | *
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| 9 | * This program and the accompanying materials are made available under the
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| 10 | * terms of the MIT License which is available at
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| 11 | * https://opensource.org/licenses/MIT.
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| 12 | *
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| 13 | * SPDX-License-Identifier: MIT
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| 14 | *****************************************************************************/
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| 15 |
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| 16 |
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| 17 | ### V6.5.1 (09-10-2026) ###
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| 18 | =================================
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| 19 | - Upgrade to Eclipse ThreadX LevelX v6.5.1.
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| 20 |
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| 21 | ### V6.4.1 (03-04-2026) ###
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| 22 | ============================
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| 23 | - Add new APIs: lx_nor_flash_format(), lx_nor_flash_open_extended(), lx_nand_flash_open_extended(), lx_nand_flash_format_extended() and lx_nor_flash_format().
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| 24 | - Fix metadata error after block erase.
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| 25 | - Fix ThreadX-specific mutex APIs usage.
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| 26 | - Fix codespell issues in lx_nor_flash_open_extended.c.
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| 27 | - Fix block initial erase count error in lx_nor_flash_format.c.
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| 28 | - Remove critical section from lx_nor_flash_format().
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| 29 | - Fix address buffer overflow in NOR flash cache initialization.
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| 30 | - Update LevelX copyright.
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| 31 | - Fix STMicroelectronics branding in lx_nor_flash_format.c.
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| 32 | - Add SW_Security_Level.md file.
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| 33 |
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| 34 | ### V6.4.1 (12-11-2025) ###
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| 35 | =================================
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| 36 | - Revise copyright information in file headers.
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| 37 | - Enhance LX_MUTEX and LX_SEMAPHORE implementations for proper LevelX RTOS Agnostic synchronization.
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| 38 | - Add open state checks at the start of user NOR APIs to prevent operations when flash memory is closed.
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| 39 |
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| 40 | ### V6.4.1 (30-05-2025) ###
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| 41 | ============================
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| 42 | - Implement RTOS agnostic support features:
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| 43 | - Add lx_port.h to the ports/freertos/inc directory.
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| 44 | - Add lx_port.h to the ports/generic/inc directory, ensuring it is not specific to the FreeRTOS port.
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| 45 | - Remove related and non related ThreadX macros from lx_api.h and add the non related ones to lx_port.h.
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| 46 | - Add APIs for the management of mutexes in lx_port.h under the ports/freertos/inc directory. This includes functions to:
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| 47 | - Create mutexes
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| 48 | - Delete mutexes
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| 49 | - Get (lock) mutexes
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| 50 | - Put (unlock) mutexes
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| 51 | - Add LevelX 6.4.1 from Eclipse ThreadX
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