ret_code_t fs_erase(fs_config_t const * p_config,
uint32_t * const p_addr,
fs_length_t const length_words)
{
if ((m_flags & FS_FLAG_INIT) == 0)
{
return NRF_ERROR_INVALID_STATE;
}
if (!check_config(p_config))
{
return NRF_ERROR_FORBIDDEN;
}
/** Check that the address is aligned on a page boundary and the length to erase
* is a multiple of the page size. */
if (((uint32_t)p_addr & (FS_PAGE_SIZE - 1)) ||
(length_words & (FS_PAGE_SIZE_WORDS - 1)))
{
return NRF_ERROR_INVALID_ADDR;
}
// Check that the erase operation is on pages owned by this user (configuration).
if ((p_addr < p_config->p_start_addr) || ((p_addr + length_words) > p_config->p_end_addr))
{
return NRF_ERROR_INVALID_ADDR;
}
return cmd_enqueue(p_config, FS_OP_ERASE, p_addr, NULL, length_words);
}
ret_code_t fs_store(fs_config_t const * p_config,
uint32_t const * p_addr,
uint32_t const * const p_data,
fs_length_t length_words)
{
if ((m_flags & FS_FLAG_INIT) == 0)
{
return NRF_ERROR_INVALID_STATE;
}
if (!check_config(p_config))
{
return NRF_ERROR_FORBIDDEN;
}
if (!is_word_aligned(p_addr))
{
return NRF_ERROR_INVALID_ADDR;
}
// Check that the erase operation is on pages owned by this user (configuration).
if ((p_addr < p_config->p_start_addr) || ((p_addr + length_words) > p_config->p_end_addr))
{
return NRF_ERROR_INVALID_ADDR;
}
return cmd_enqueue(p_config, FS_OP_STORE, p_addr, p_data, length_words);
}
ret_code_t fs_store(fs_config_t const * const p_config,
uint32_t const * const p_dest,
uint32_t const * const p_src,
uint16_t length_words)
{
fs_cmd_t cmd;
if ((m_flags & FS_FLAG_INIT) == 0)
{
return NRF_ERROR_INVALID_STATE;
}
if (!check_config(p_config))
{
return NRF_ERROR_FORBIDDEN;
}
if (((uint32_t)p_src & 0x3) ||
((uint32_t)p_dest & 0x3))
{
return NRF_ERROR_INVALID_ADDR;
}
if ((p_dest < p_config->p_start_addr) || ((p_dest + length_words) > p_config->p_end_addr))
{
return NRF_ERROR_INVALID_ADDR;
}
cmd.p_config = p_config;
cmd.op_code = FS_OP_STORE;
cmd.store.p_src = p_src;
cmd.store.p_dest = p_dest;
cmd.store.length_words = length_words;
cmd.store.offset = 0;
return cmd_enqueue(&cmd);
}
ret_code_t fs_erase(fs_config_t const * const p_config,
uint32_t const * const p_page_addr,
uint16_t num_pages)
{
fs_cmd_t cmd;
if ((m_flags & FS_FLAG_INIT) == 0)
{
return NRF_ERROR_INVALID_STATE;
}
if (!check_config(p_config))
{
return NRF_ERROR_FORBIDDEN;
}
if (((uint32_t)p_page_addr % FS_PAGE_SIZE) != 0)
{
return NRF_ERROR_INVALID_ADDR;
}
if ((p_page_addr < p_config->p_start_addr) ||
(p_page_addr + (FS_PAGE_SIZE_WORDS * num_pages) > p_config->p_end_addr))
{
return NRF_ERROR_INVALID_DATA;
}
cmd.p_config = p_config;
cmd.op_code = FS_OP_ERASE;
cmd.erase.page = ((uint32_t)p_page_addr / FS_PAGE_SIZE);
cmd.erase.pages_erased = 0;
cmd.erase.pages_to_erase = num_pages;
return cmd_enqueue(&cmd);
}
