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fat12 clean up

This commit is contained in:
hathach 2018-06-20 14:54:50 +07:00
parent 6d11aa018a
commit bc59c097c1
1 changed files with 4 additions and 2 deletions
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6
src/usb/msc_flash.c
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@ -457,6 +457,7 @@ fat12_boot_sector_t const _boot_sect =
* . | |
* . | |
* . | Data |
* . | Area |
* . | |
* . | |
* |_____________|
@ -486,8 +487,9 @@ static void fat12_mkfs(void)
_page_cached[511] = 0xAA;
//------------- Sector 1: FAT12 Table -------------//
// first 2 entries are F8FF, third entry is cluster end of readme file
memcpy(_page_cached+MSC_FLASH_BLOCK_SIZE, "\xF8\xFF\xFF\xFF\x0F\x00", 6);
// first 2 entries are FF8 and FF8,
// 3rd entry is cluster end of readme file FFF, 4th is unused 000
memcpy(_page_cached+MSC_FLASH_BLOCK_SIZE, "\xF8\x8F\xFF\xFF\x0F\x00", 6);
// Erase and Write first cluster.
fat12_write_sector(0, _page_cached, FL_PAGE_SIZE);