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SourceVuESP-IDF Framework and ExamplesFatFSff_memfree()

ff_memfree() function

Syntax

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Summary

Declaration

Definition

void ff_memfree (void* mblock);

Implemented in ffsystem.c:31

Arguments

Argument

#0

References

Code

Location

Referrer

void ff_memfree (

void ff_memfree (void* mblock); /* Free memory block */

void ff_memfree(void*);

ff_memfree(ibuf);

if (disk_read(pdrv, buf, 0, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Load MBR */

if (ld_word(buf + BS_55AA) != 0xAA55) LEAVE_MKFS(FR_MKFS_ABORTED); /* Check if MBR is valid */

if (ipart > 4 || pte[PTE_System] == 0) LEAVE_MKFS(FR_MKFS_ABORTED); /* No partition? */

if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_vol) != RES_OK) LEAVE_MKFS(FR_DISK_ERR);

if (sz_vol < MIN_FAT12_SEC_VOL) LEAVE_MKFS(FR_MKFS_ABORTED); /* Check if volume size is >= MIN_FAT12_SEC_VOLs */

if (sz_vol < (MIN_FAT12_SEC_VOL + 1)) LEAVE_MKFS(FR_MKFS_ABORTED); /* Check if volume size is >= (MIN_FAT12_SEC_VOL+1)s */

if (!(fsopt & FM_FAT)) LEAVE_MKFS(FR_INVALID_PARAMETER); /* no-FAT? */

if (n_clst <= MAX_FAT16 || n_clst > MAX_FAT32) LEAVE_MKFS(FR_MKFS_ABORTED);

if (sz_vol < b_data + pau * MIN_FAT12_DATA_SEC - b_vol) LEAVE_MKFS(FR_MKFS_ABORTED); /* Too small volume? */

LEAVE_MKFS(FR_MKFS_ABORTED);

LEAVE_MKFS(FR_MKFS_ABORTED);

LEAVE_MKFS(FR_MKFS_ABORTED);

if (fsty == FS_FAT12 && n_clst > MAX_FAT12) LEAVE_MKFS(FR_MKFS_ABORTED); /* Too many clusters for FAT12 */

if (disk_write(pdrv, buf, b_vol, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Write it to the VBR sector */

if (disk_write(pdrv, buf, sect, (UINT)n) != RES_OK) LEAVE_MKFS(FR_DISK_ERR);

if (disk_write(pdrv, buf, sect, (UINT)n) != RES_OK) LEAVE_MKFS(FR_DISK_ERR);

if (disk_read(pdrv, buf, 0, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Read the MBR */

if (disk_write(pdrv, buf, 0, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Write it back to the MBR */

if (res != FR_OK) LEAVE_MKFS(res);

if (disk_ioctl(pdrv, CTRL_SYNC, 0) != RES_OK) LEAVE_MKFS(FR_DISK_ERR);

LEAVE_MKFS(FR_OK);

LEAVE_MKFS(res);

ff_memfree(temp_file_path);

vfs_fat_readdir()

ff_memfree(buf);

f_write_zero_mem()

Call Tree

ff_memfree() is called by 14 functions and calls 1 function:

vfs_fat_readdir()

f_write_zero_mem()

ff_memfree()

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