bool spiffs_format_internal() {
spiffs_config cfg = spiffs_get_storage_config();
if (cfg.phys_addr == 0) {
SYSTEM_ERROR("Can't format file system, wrong address");
return false;
}
u32_t sect_first, sect_last;
sect_first = flashmem_get_first_free_block_address();
sect_last = flashmem_get_sector_of_address((u32_t)&_SPIFFS_end);
debugf("sect_first: %x, sect_last: %x\n", sect_first, sect_last);
while( sect_first <= sect_last ) {
if(!flashmem_erase_sector( sect_first ++ ))
return false;
}
return true;
}
spiffs_config spiffs_get_storage_config()
{
spiffs_config cfg = {0};
cfg.phys_addr = ( u32_t )flashmem_get_first_free_block_address();
if (cfg.phys_addr == 0)
return cfg;
cfg.phys_addr += 0x3000;
cfg.phys_addr &= 0xFFFFC000; // align to 4 sector.
cfg.phys_size = INTERNAL_FLASH_SIZE - ( ( u32_t )cfg.phys_addr - INTERNAL_FLASH_START_ADDRESS );
/*cfg.phys_addr = INTERNAL_FLASH_SIZE - SPIFFS_WORK_SIZE + INTERNAL_FLASH_START_ADDRESS;
cfg.phys_addr += 0x3000;
cfg.phys_addr &= 0xFFFFC000; // align to 4 sector.
cfg.phys_size = SPIFFS_WORK_SIZE;*/
cfg.phys_erase_block = INTERNAL_FLASH_SECTOR_SIZE; // according to datasheet
cfg.log_block_size = INTERNAL_FLASH_SECTOR_SIZE * 2; // Important to make large
cfg.log_page_size = LOG_PAGE_SIZE; // as we said
return cfg;
}
u32_t spiffs_get_startaddress()
{
s32_t phys_addr = flashmem_get_first_free_block_address();
phys_addr &= 0xFFFFF000;
return phys_addr;
}
