Struct mtd_desc

#[repr(C)]
pub struct mtd_desc {
    pub init: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t) -> c_int>,
    pub read: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *mut c_void, addr: u32, size: u32) -> c_int>,
    pub read_page: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *mut c_void, page: u32, offset: u32, size: u32) -> c_int>,
    pub write_page: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *const c_void, page: u32, offset: u32, size: u32) -> c_int>,
    pub erase: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, addr: u32, size: u32) -> c_int>,
    pub erase_sector: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, sector: u32, count: u32) -> c_int>,
    pub power: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, power: mtd_power_state) -> c_int>,
    pub flags: u8,
}

@brief MTD driver interface

This define the functions to access a MTD.

A MTD is composed of pages combined into sectors. A sector is the smallest erasable unit. The number of pages in a sector must be constant for the whole MTD.

The erase operation is available only for entire sectors.

Fields

init: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t) -> c_int>

@brief Initialize Memory Technology Device (MTD)

@param[in] dev Pointer to the selected driver

@retval 0 on success @retval <0 value on error

read: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *mut c_void, addr: u32, size: u32) -> c_int>

@brief Read from the Memory Technology Device (MTD)

No alignment is required on @p addr and @p size.

@param[in] dev Pointer to the selected driver @param[out] buff Pointer to the data buffer to store read data @param[in] addr Starting address @param[in] size Number of bytes

@retval 0 on success @retval <0 value on error

read_page: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *mut c_void, page: u32, offset: u32, size: u32) -> c_int>

@brief Read from the Memory Technology Device (MTD) using pagewise addressing.

@p offset should not exceed the page size

@param[in] dev Pointer to the selected driver @param[out] buff Pointer to the data buffer to store read data @param[in] page Page number to start reading from @param[in] offset Byte offset from the start of the page @param[in] size Number of bytes

@retval n number of bytes read on success @retval <0 value on error

write_page: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, buff: *const c_void, page: u32, offset: u32, size: u32) -> c_int>

@brief Write to the Memory Technology Device (MTD) using pagewise addressing.

@p offset should not exceed the page size

@param[in] dev Pointer to the selected driver @param[out] buff Pointer to the data to be written @param[in] page Page number to start writing to @param[in] offset Byte offset from the start of the page @param[in] size Number of bytes

@retval n bytes written on success @retval <0 value on error

erase: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, addr: u32, size: u32) -> c_int>

@brief Erase sector(s) over the Memory Technology Device (MTD)

@p addr must be aligned on a sector boundary. @p size must be a multiple of a sector size.

@param[in] dev Pointer to the selected driver @param[in] addr Starting address @param[in] size Number of bytes

@retval 0 on success @retval <0 value on error

erase_sector: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, sector: u32, count: u32) -> c_int>

@brief Erase sector(s) of the Memory Technology Device (MTD)

@param[in] dev Pointer to the selected driver @param[in] sector the first sector number to erase

@param[in] count Number of sectors to erase

@retval 0 on success @retval <0 value on error

power: Option<unsafe extern "C" fn(dev: *mut mtd_dev_t, power: mtd_power_state) -> c_int>

@brief Control power of Memory Technology Device (MTD)

@param[in] dev Pointer to the selected driver @param[in] power Power state to apply (from @ref mtd_power_state)

@retval 0 on success @retval <0 value on error

flags: u8

@brief Properties of the MTD driver

Trait Implementations

impl Clone for mtd_desc

fn clone(&self) -> mtd_desc

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for mtd_desc

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for mtd_desc

fn default() -> mtd_desc

Returns the “default value” for a type.

impl Copy for mtd_desc

Layout

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 32 bytes