From 64aea8dc7f74f50ce73be5bf3f1d0c8211e17847 Mon Sep 17 00:00:00 2001 From: TiejunZhou <50469179+TiejunMS@users.noreply.github.com> Date: Mon, 22 Apr 2024 14:27:45 +0800 Subject: [PATCH] Remove exFAT related description --- rtos-docs/filex/chapter6.md | 17 ++--------------- 1 file changed, 2 insertions(+), 15 deletions(-) diff --git a/rtos-docs/filex/chapter6.md b/rtos-docs/filex/chapter6.md index 5fb1597..97f2ccc 100644 --- a/rtos-docs/filex/chapter6.md +++ b/rtos-docs/filex/chapter6.md @@ -54,7 +54,7 @@ The Log Header area is followed by the FAT Chain Log area. Figure 9 contains inf |Field|Size(in bytes)|Description| |-----|--------------|-----------| |FAT Chain Log Checksum|2|Checksum of the entire FAT Chain Log area. The FAT Chain Log area is considered invalid if the it fails the checksum verification.| -|Flag|1|Valid flag values are:
0x01 FAT Chain Valid
0x02 BITMAP is being used| +|Flag|1|Valid flag values are:
0x01 FAT Chain Valid| |Reserved|1|Reserved for future use| |Insertion Point – Front|4|The cluster (that belongs to the original FAT chain) where the newly created chain is going to be attached to.| |Head Cluster of New FAT Chain|4|The first cluster of the newly created FAT Chain| @@ -62,7 +62,7 @@ The Log Header area is followed by the FAT Chain Log area. Figure 9 contains inf |Insertion Point – Back|4|The original cluster where the newly created FAT chain joins at.| |Next Deletion Point|4|This field assists the FAT chain cleanup procedure.| -The Log Entries Area contains log entries that describe the changes needed to recover from a failure. There are three types of log entry supported in the FileX fault tolerant module: FAT Log Entry; Directory Log Entry; and Bitmap Log Entry. +The Log Entries Area contains log entries that describe the changes needed to recover from a failure. There are three types of log entry supported in the FileX fault tolerant module: FAT Log Entry; Directory Log Entry. The following three figures and three tables describe these log entries in detail. @@ -93,19 +93,6 @@ Type|2|Type of Entry, must be FX_FAULT_TOLERANT_FAT_LOG_TYPE| |Log Sector|4|The sector where the directory entry is located| |Log Data|Variable|Content of the directory entry| -![Bitmap Log Entry](./media/user-guide/bitmap-log-entry.png) - -**Figure 8. Bitmap Log Entry** - -**TABLE 12. Bitmap Log Entry** - -|Field|Size(in bytes)|Description| -|-----|--------------|-----------| -|Type|2|Type of Entry, must be FX_FAULT_TOLERANT_BITMAP_LOG_TYPE| -|Size|2|Size of this entry| -|Cluster Number|4|Cluster number| -|Value|4|Value to be written into the FAT entry| - ## Fault Tolerant Protection After the FileX Fault Tolerant Module starts, it first searches for an existing fault tolerant log file in the media. If a valid log file cannot be found, FileX considers the media unprotected. In this case FileX will create a fault tolerant log file on the media.