diff --git a/docs/revision_history.txt b/docs/revision_history.txt new file mode 100644 index 0000000..e369f85 --- /dev/null +++ b/docs/revision_history.txt @@ -0,0 +1,197 @@ + LevelX + +For version 6 and higher, please refer to the release notes on GitHub at https://github.com/eclipse-threadx/levelx/releases. +Below is the revision history for 5.x. + + +08/15/2019 LevelX generic code version 5.6. This release includes the + following major features: + + Files are modified to fix compiler warnings: + demo_filex_nand_flash.c + demo_filex_nor_flash.c + lx_nand_flash_256byte_ecc_check.c + lx_nand_flash_256byte_ecc_compute.c + + +10/10/2018 LevelX generic code version 5.5. This release includes the following + modifications: + + lx_api.h Removed compiler warnings, added extended NOR cache + support, new APIs, and new constants. + lx_nand_flash_256byte_ecc_check.c Removed compiler warnings. + lx_nand_flash_256byte_ecc_compute.c Removed compiler warnings. + lx_nand_flash_block_obsoleted_check.c Added logic to mark the beginning of block erase. + lx_nand_flash_block_reclaim.c Removed compiler warnings, and added logic to mark + the beginning of block erase. + lx_nand_flash_logical_sector_find.c Removed compiler warnings, and added logic to use + and maintain the last found page. + lx_nand_flash_next_block_to_erase_find.c Removed compiler warnings. + lx_nand_flash_open.c Added logic to detect start of a block erase that + was interrupted, removed system error call for more + than one page being obsoleted since this can happen + normally, removed compiler warnings, and added logic + to initialize the last found page. + lx_nand_flash_partial_defragment.c Added file in this release. + lx_nand_flash_sector_release.c Removed compiler warnings. + lx_nand_flash_sector_write.c Removed compiler warnings. + lx_nor_flash_block_reclaim.c Removed direct driver access for erases/reads/writes, + removed compiler warnings, and added logic to mark + the beginning of block erase. + lx_nor_flash_driver_block_erase.c Added file in this release. + lx_nor_flash_driver_read.c Added file in this release. + lx_nor_flash_driver_write.c Added file in this release. + lx_nor_flash_extended_cache_enable.c Added file in this release. + lx_nor_flash_logical_sector_find.c Removed direct driver access for reads, removed compiler + warnings, and added logic to use and maintain the last + found sector/block. + lx_nor_flash_next_block_to_erase_find.c Removed compiler warnings, and removed direct driver + access for reads. + lx_nor_flash_open.c Removed direct driver access for erases/reads/writes, + added logic to detect start of a block erase that was + interrupted, removed system error call for more than + one page being obsoleted since this can happen normally, + removed compiler warnings, and added logic to initialize + the last found sector/block. + lx_nor_flash_partial_defragment.c Added file in this release. + lx_nor_flash_physical_sector_allocate.c Removed direct driver access for reads/writes. + lx_nor_flash_sector_read.c Removed direct driver access for reads/writes. + lx_nor_flash_sector_release.c Removed direct driver access for reads/writes. + lx_nor_flash_sector_write.c Removed direct driver access for reads/writes. + lx_nor_flash_simulator.c Removed compiler warnings. + lx*.c Changed comments and copyright header, and added + conditional around disabling ThreadX error checking. + lx*.h Changed comments and copyright header. + +05/01/2018 LevelX generic code version 5.4. This release includes the following + modifications: + + lx_api.h Added NOR flash RAM buffer, added bit constant + for both NOR and NAND flash to indicate when + mapping write is valid, added diagnostic counter + for tracking when incomplete mapping is detected + on open, add added new error code when driver + does not supply a sector/page RAM buffer. + fx_nand_flash_simulated_driver.c Added error checking, and corrected sector + read/write processing. + fx_nor_flash_simulator_driver.c Added error checking. + lx_nand_flash_block_reclaim.c Added clearing of additional bit to indicate when + mapping is valid, and corrected logic that could + cause a newly mapped sector to be erased. + lx_nand_flash_logical_sector_find.c Added logic to make sure the sector mapping is valid. + lx_nand_flash_next_block_to_erase_find.c Added logic to improve search for free sectors. + lx_nand_flash_open.c Added logic to detect and handle a mapping entry + interrupted before completion, and added logic to + ensure there is a page buffer supplied by the + driver. + lx_nand_flash_sector_release.c Added reclaim logic to help increase free sectors. + lx_nand_flash_sector_write.c Added clearing of additional bit to indicate when + mapping is valid. + lx_nor_flash_block_reclaim.c Added clearing of additional bit to indicate when + mapping is valid, added logic to read NOR sector + into RAM buffer if direct NOR access is not possible, + and corrected logic that could cause a newly mapped + sector to be erased. + lx_nor_flash_logical_sector_find.c Added logic to make sure the sector mapping is valid. + lx_nor_flash_next_block_to_erase_find.c Added logic to improve search for free sectors. + lx_nor_flash_open.c Added logic to detect and handle a mapping entry + interrupted before completion, and added logic to + ensure there is a sector buffer supplied by the + driver if LX_DIRECT_READ is not specified. + lx_nor_flash_sector_release.c Added reclaim logic to help increase free sectors. + lx_nor_flash_sector_write.c Added clearing of additional bit to indicate when + mapping is valid, and removed optimization to ensure + atomic sector write. + lx_nor_flash_simulator.c Added logic to supply RAM buffer for reading + sector when LX_DIRECT_READ is not specified, + and removed write attempt to already written + sector, since this is no longer required. + fx*.c Changed comments and copyright header. + lx*.c Changed comments and copyright header. + lx*.h Changed comments and copyright header. + +11/01/2017 LevelX generic code version 5.3. This release includes the following + modifications: + + lx_nand_flash_block_full_update.c Added check to make sure the block is + actually full. + lx_nand_flash_block_reclaim.c Added support for direct logical sector + cache. + lx_nand_flash_logical_sector_find.c Added adjustment of mapped sectors when + examining the mapped list, added support + for direct logical sector cache. + lx_nand_flash_open.c Added support for direct logical sector cache, + and updated diagnostics. + lx_nand_flash_physical_page_allocate.c Added adjustment of the search pointer for + next allocate request. + lx_nand_flash_sector_mapping_cache_invalidate.c Added support for direct logical sector cache. + lx_nand_flash_sector_release.c Added logic to update the page 0 mapping list + if present. + lx_nand_flash_sector_write.c Added logic to update the page 0 mapping list + if present, and added check to make sure the + new mapping wasn't moved, added direct logical + sector cache. + fx*.c Changed comments and copyright header. + lx*.c Changed comments and copyright header. + lx*.h Changed comments and copyright header. + +03/01/2017 LevelX generic code version 5.2. This release includes the following + modifications: + + lx_nand_flash_block_full_update.c Reduced the number of words accessed in + page 0, added driver interface layer, + and modified the extra bytes usage in + page 0 to support block valid-full-empty. + lx_nand_flash_block_obsoleted_check.c Added file in this release. + lx_nand_flash_block_reclaim.c Added logic to update page 0 on a full + block update, added driver interface layer, + and added additional diagnostic information. + lx_nand_flash_driver_block_erase.c Added file in this release. + lx_nand_flash_driver_block_erased_verify.c Added file in this release. + lx_nand_flash_driver_block_status_get.c Added file in this release. + lx_nand_flash_driver_block_status_set.c Added file in this release. + lx_nand_flash_driver_extra_bytes_get.c Added file in this release. + lx_nand_flash_driver_extra_bytes_set.c Added file in this release. + lx_nand_flash_driver_page_erased_verify.c Added file in this release. + lx_nand_flash_driver_read.c Added file in this release. + lx_nand_flash_driver_write.c Added file in this release. + lx_nand_flash_extended_cache_enable.c Added file in this release. + lx_nand_flash_logical_sector_find.c Reduced the number of words accessed in + page 0, corrected check for valid sector + mapping list, added max mapped sector logic, + added driver interface layer, and added logic + to use and maintain the last found sector block. + lx_nand_flash_next_block_to_erase_find.c Reduced the number of words accessed in page 0, + and added driver interface layer. + lx_nand_flash_open.c Reduced the number of words accessed in page 0, + added driver interface layer, added additional + diagnostic information, added logic to initialize + the maximum mapped logical sector, and added + initialization of the last found sector block. + lx_nand_flash_physical_page_allocate.c Reduced the number of words accessed in page 0, + added driver interface layer, and added logic + to use page 0's extra bytes to determine if + block has available pages. + lx_nand_flash_sector_read.c Added driver interface layer. + lx_nand_flash_sector_release.c Added logic to maintain the maximum mapped + sector, and added driver interface layer. + lx_nand_flash_sector_write.c Added call to see if the block is completely + obsoleted, added logic to remember the maximum + mapped sector, and added driver interface layer. + fx_nand_flash_simulator_driver.c Removed sector packing by requiring sector and + cluster size to match, and added release sector + support. + fx*.c Changed comments and copyright header. + lx*.c Changed comments and copyright header. + lx*.h Changed comments and copyright header. + +08/01/2016 LevelX generic code version 5.1. This release includes the following + modifications: + + lx_nor_flash_physical_sector_allocate.c Corrected problem with more than 32 sectors per + flash block. + fx*.c Changed comments and copyright header. + lx*.c Changed comments and copyright header. + lx*.h Changed comments and copyright header. + +01/22/2015 Initial LevelX generic code version 5.0. \ No newline at end of file