AW: contributing a failsafe update meachanism for FIS from within ecos applications

["Neundorf, Alexander" <Alexander dot Neundorf at jenoptik dot com>]

Hi,

so here comes a patch with all these changes, including a cdl-entry.
In fis_init() I didn't find the correct place where to erase the additional flash block, there I'd need help.

Main change:

#define EFIS_MAGIC_LENGTH 10
#define EFIS_MAGIC ".FisValid"  //exactly 10 bytes

#define EFIS_VALID       (0xa5a5)
#define EFIS_IN_PROGRESS (0xfdfd)
#define EFIS_EMPTY       (0xffff)

struct fis_valid_info
{
   unsigned char magic_name[EFIS_MAGIC_LENGTH];
   unsigned short valid_flag;
   unsigned long version_count;
};

So it fits again completely in the 16 bytes for the name.

Please comment :-)

Bye
Alex

Attachment: fis.fail_save-3.patch
Description: fis.fail_save-3.patch

Attachment: fisfs-3.tar.gz
Description: fisfs-3.tar.gz