chentianya/levelx
1
0
Fork 0
mirror of https://github.com/eclipse-threadx/levelx.git synced 2026-09-14 12:37:01 +08:00
Code Issues Packages Projects Releases Wiki Activity

Update on 23 Oct 2023. Expand to see details.

Browse Source 
f203c27 Update headers and readme for 6.3.0 release.
40d3d10 Avoid clearing user extension in flash control block on opening flash
689dcc1 Added obsolete count and mapping bitmap cache for NOR flash. optimized block seraching logic.
b183526 Enable weekly pipeline build to avoid CodeQL expiration
2eec506 Enable codeql in onebranch pipeline
This commit is contained in:
Xiuwen Cai
2023-10-23 05:31:43 +00:00
parent e1a2752d6c
commit cef8e4ffeb
13 changed files with 820 additions and 138 deletions
Download Patch File Download Diff File Expand all files Collapse all files
common/src/lx_nor_flash_open.c
+28 -6
View File
@@ -40,7 +40,7 @@
/* FUNCTION RELEASE */
/* */
/* _lx_nor_flash_open PORTABLE C */
/* 6.2.1 */
/* 6.3.0 */
/* AUTHOR */
/* */
/* William E. Lamie, Microsoft Corporation */
@@ -94,7 +94,15 @@
/* resulting in version 6.1.7 */
/* 03-08-2023 Xiuwen Cai Modified comment(s), */
/* added new driver interface, */
/* resulting in version 6.2.1 */
/* resulting in version 6.2.1 */
/* 10-31-2023 Xiuwen Cai Modified comment(s), */
/* added count for minimum */
/* erased blocks, added */
/* obsolete count cache, */
/* avoided clearing user */
/* extension in flash control */
/* block, */
/* resulting in version 6.3.0 */
/* */
/**************************************************************************/
UINT _lx_nor_flash_open(LX_NOR_FLASH *nor_flash, CHAR *name, UINT (*nor_driver_initialize)(LX_NOR_FLASH *))
@@ -112,7 +120,7 @@ ULONG free_sectors;
ULONG used_sectors;
ULONG *new_map_entry;
ULONG *new_sector_address;
ULONG erased_count, min_erased_count, max_erased_count, temp_erased_count;
ULONG erased_count, min_erased_count, max_erased_count, temp_erased_count, min_erased_blocks;
ULONG j, k, l;
UINT status;
#ifdef LX_FREE_SECTOR_DATA_VERIFY
@@ -124,8 +132,8 @@ LX_INTERRUPT_SAVE_AREA
LX_PARAMETER_NOT_USED(name);
/* Clear the NOR flash control block. */
LX_MEMSET(nor_flash, 0, sizeof(LX_NOR_FLASH));
/* Clear the NOR flash control block. User extension is not cleared. */
LX_MEMSET(nor_flash, 0, (ULONG)((UCHAR*)&(nor_flash -> lx_nor_flash_open_previous) - (UCHAR*)nor_flash) + sizeof(nor_flash -> lx_nor_flash_open_previous));
/* Call the flash driver's initialization function. */
(nor_driver_initialize)(nor_flash);
@@ -213,6 +221,7 @@ LX_INTERRUPT_SAVE_AREA
/* Setup default values for the max/min erased counts. */
min_erased_count = LX_ALL_ONES;
min_erased_blocks = 0;
max_erased_count = 0;
/* Setup the block word pointer to the first word of the first block, which is effectively the
@@ -254,13 +263,24 @@ LX_INTERRUPT_SAVE_AREA
/* No, valid block. Isolate the erased count. */
erased_count = (block_word & LX_BLOCK_ERASE_COUNT_MASK);
/* Is the erased count the minimum? */
if (erased_count == min_erased_count)
{
/* Yes, increment the minimum erased block count. */
min_erased_blocks++;
}
/* Is this the new minimum? */
if (erased_count < min_erased_count)
{
/* Yes, remember the new minimum. */
min_erased_count = erased_count;
/* Reset the minimum erased block count. */
min_erased_blocks = 1;
}
/* Is this the new maximum? */
@@ -327,6 +347,7 @@ LX_INTERRUPT_SAVE_AREA
/* Update the overall minimum and maximum erase count. */
nor_flash -> lx_nor_flash_minimum_erase_count = 1;
nor_flash -> lx_nor_flash_minimum_erased_blocks = nor_flash -> lx_nor_flash_total_blocks;
nor_flash -> lx_nor_flash_maximum_erase_count = 1;
/* Update the number of free physical sectors. */
@@ -806,6 +827,7 @@ LX_INTERRUPT_SAVE_AREA
/* Update the overall minimum and maximum erase count. */
nor_flash -> lx_nor_flash_minimum_erase_count = min_erased_count;
nor_flash -> lx_nor_flash_minimum_erased_blocks = min_erased_blocks;
nor_flash -> lx_nor_flash_maximum_erase_count = max_erased_count;
/* Determine if we need to update the free sector search pointer. */