mirror of https://github.com/ARMmbed/mbed-os.git
131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/** \addtogroup hal */
|
|
/** @{*/
|
|
|
|
/* mbed Microcontroller Library
|
|
* Copyright (c) 2017 ARM Limited
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
#ifndef MBED_FLASH_API_H
|
|
#define MBED_FLASH_API_H
|
|
|
|
#include "device.h"
|
|
#include <stdint.h>
|
|
|
|
#if DEVICE_FLASH
|
|
|
|
#define MBED_FLASH_INVALID_SIZE 0xFFFFFFFF
|
|
|
|
typedef struct flash_s flash_t;
|
|
|
|
#if TARGET_FLASH_CMSIS_ALGO
|
|
#include "flash_data.h"
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* \defgroup flash_hal Flash HAL API
|
|
* @{
|
|
*/
|
|
|
|
/** Initialize the flash peripheral and the flash_t object
|
|
*
|
|
* @param obj The flash object
|
|
* @return 0 for success, -1 for error
|
|
*/
|
|
int32_t flash_init(flash_t *obj);
|
|
|
|
/** Uninitialize the flash peripheral and the flash_t object
|
|
*
|
|
* @param obj The flash object
|
|
* @return 0 for success, -1 for error
|
|
*/
|
|
int32_t flash_free(flash_t *obj);
|
|
|
|
/** Erase one sector starting at defined address
|
|
*
|
|
* The address should be at sector boundary. This function does not do any check for address alignments
|
|
* @param obj The flash object
|
|
* @param address The sector starting address
|
|
* @return 0 for success, -1 for error
|
|
*/
|
|
int32_t flash_erase_sector(flash_t *obj, uint32_t address);
|
|
|
|
/** Read data starting at defined address
|
|
*
|
|
* This function has a WEAK implementation using memcpy for backwards compatibility.
|
|
* @param obj The flash object
|
|
* @param address Address to begin reading from
|
|
* @param data The buffer to read data into
|
|
* @param size The number of bytes to read
|
|
* @return 0 for success, -1 for error
|
|
*/
|
|
int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size);
|
|
|
|
/** Program pages starting at defined address
|
|
*
|
|
* The pages should not cross multiple sectors.
|
|
* This function does not do any check for address alignments or if size is aligned to a page size.
|
|
* @param obj The flash object
|
|
* @param address The sector starting address
|
|
* @param data The data buffer to be programmed
|
|
* @param size The number of bytes to program
|
|
* @return 0 for success, -1 for error
|
|
*/
|
|
int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size);
|
|
|
|
/** Get sector size
|
|
*
|
|
* @param obj The flash object
|
|
* @param address The sector starting address
|
|
* @return The size of a sector
|
|
*/
|
|
uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address);
|
|
|
|
/** Get page size
|
|
*
|
|
* The page size defines the writable page size
|
|
* @param obj The flash object
|
|
* @return The size of a page
|
|
*/
|
|
uint32_t flash_get_page_size(const flash_t *obj);
|
|
|
|
/** Get start address for the flash region
|
|
*
|
|
* @param obj The flash object
|
|
* @return The start address for the flash region
|
|
*/
|
|
uint32_t flash_get_start_address(const flash_t *obj);
|
|
|
|
/** Get the flash region size
|
|
*
|
|
* @param obj The flash object
|
|
* @return The flash region size
|
|
*/
|
|
uint32_t flash_get_size(const flash_t *obj);
|
|
|
|
/**@}*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#endif
|
|
|
|
/** @}*/
|