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pkg/spiffs: add multi-partitions support

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Two new fileds added in spiffs descriptor:
 - base_addr: base address of the partition
 - part_block_count: number of sectors in the partition
If part_block_count is 0, the whole underlying MTD is used
This commit is contained in:
Samantha Wojtowicz 2017-10-24 15:10:06 +02:00 committed by Vincent Dupont
parent c227ec8790
commit ced65bbf5b
2 changed files with 13 additions and 2 deletions
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10
pkg/spiffs/fs/spiffs_fs.c
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@ -136,10 +136,16 @@ static int prepare(spiffs_desc_t *fs_desc)
#if SPIFFS_SINGLETON == 0
DEBUG("spiffs: mount: mtd page_size=%" PRIu32 ", pages_per_sector=%" PRIu32
", sector_count=%" PRIu32 "\n", dev->page_size, dev->pages_per_sector, dev->sector_count);
fs_desc->config.phys_size = dev->page_size * dev->pages_per_sector * dev->sector_count;
uint32_t sector_count = (fs_desc->block_count == 0) ? dev->sector_count : fs_desc->block_count;
/* inside memory area */
assert(((fs_desc->base_addr / (dev->page_size * dev->pages_per_sector)) + sector_count)
<= dev->sector_count);
/* base addr is aligned on a sector */
assert(fs_desc->base_addr % (dev->pages_per_sector * dev->page_size) == 0);
fs_desc->config.phys_size = dev->page_size * dev->pages_per_sector * sector_count;
fs_desc->config.log_block_size = dev->page_size * dev->pages_per_sector;
fs_desc->config.log_page_size = dev->page_size;
fs_desc->config.phys_addr = 0;
fs_desc->config.phys_addr = fs_desc->base_addr;
fs_desc->config.phys_erase_block = dev->page_size * dev->pages_per_sector;
#endif

5
sys/include/fs/spiffs_fs.h
View File

@ -116,6 +116,11 @@ typedef struct spiffs_desc {
#if (SPIFFS_HAL_CALLBACK_EXTRA == 1) || defined(DOXYGEN)
mtd_dev_t *dev; /**< The underlying mtd device, must be set by user */
#endif
#if (SPIFFS_SINGLETON == 0) || defined(DOXYGEN)
uint32_t base_addr; /**< Base address of partition */
uint32_t block_count; /**< Number of blocks in current partition,
* if 0, the mtd number of sector is used */
#endif
} spiffs_desc_t;
/** The SPIFFS vfs driver, a pointer to a spiffs_desc_t must be provided as vfs_mountp::private_data */