Daniel Vizcaya / Mbed OS 04_RTOS_Embebidos

Entrega 3er corte - sistemas embebidos

mbed-os/hal/flash_api.h@0:6ad07c9019fd, 2018-05-30 (annotated)

Committer:
Bethory
Date:
Wed May 30 00:01:50 2018 +0000
Revision:
0:6ad07c9019fd
Codigo de tales para todos los pasculaes

Who changed what in which revision?

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Bethory 0:6ad07c9019fd 1 /** \addtogroup hal */
Bethory 0:6ad07c9019fd 2 /** @{*/
Bethory 0:6ad07c9019fd 3
Bethory 0:6ad07c9019fd 4 /* mbed Microcontroller Library
Bethory 0:6ad07c9019fd 5 * Copyright (c) 2017 ARM Limited
Bethory 0:6ad07c9019fd 6 *
Bethory 0:6ad07c9019fd 7 * Licensed under the Apache License, Version 2.0 (the "License");
Bethory 0:6ad07c9019fd 8 * you may not use this file except in compliance with the License.
Bethory 0:6ad07c9019fd 9 * You may obtain a copy of the License at
Bethory 0:6ad07c9019fd 10 *
Bethory 0:6ad07c9019fd 11 * http://www.apache.org/licenses/LICENSE-2.0
Bethory 0:6ad07c9019fd 12 *
Bethory 0:6ad07c9019fd 13 * Unless required by applicable law or agreed to in writing, software
Bethory 0:6ad07c9019fd 14 * distributed under the License is distributed on an "AS IS" BASIS,
Bethory 0:6ad07c9019fd 15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Bethory 0:6ad07c9019fd 16 * See the License for the specific language governing permissions and
Bethory 0:6ad07c9019fd 17 * limitations under the License.
Bethory 0:6ad07c9019fd 18 */
Bethory 0:6ad07c9019fd 19 #ifndef MBED_FLASH_API_H
Bethory 0:6ad07c9019fd 20 #define MBED_FLASH_API_H
Bethory 0:6ad07c9019fd 21
Bethory 0:6ad07c9019fd 22 #include "device.h"
Bethory 0:6ad07c9019fd 23 #include <stdint.h>
Bethory 0:6ad07c9019fd 24
Bethory 0:6ad07c9019fd 25 #if DEVICE_FLASH
Bethory 0:6ad07c9019fd 26
Bethory 0:6ad07c9019fd 27 #define MBED_FLASH_INVALID_SIZE 0xFFFFFFFF
Bethory 0:6ad07c9019fd 28
Bethory 0:6ad07c9019fd 29 typedef struct flash_s flash_t;
Bethory 0:6ad07c9019fd 30
Bethory 0:6ad07c9019fd 31 #if TARGET_FLASH_CMSIS_ALGO
Bethory 0:6ad07c9019fd 32 #include "flash_data.h"
Bethory 0:6ad07c9019fd 33 #endif
Bethory 0:6ad07c9019fd 34
Bethory 0:6ad07c9019fd 35 #ifdef __cplusplus
Bethory 0:6ad07c9019fd 36 extern "C" {
Bethory 0:6ad07c9019fd 37 #endif
Bethory 0:6ad07c9019fd 38
Bethory 0:6ad07c9019fd 39 /**
Bethory 0:6ad07c9019fd 40 * \defgroup flash_hal Flash HAL API
Bethory 0:6ad07c9019fd 41 * @{
Bethory 0:6ad07c9019fd 42 */
Bethory 0:6ad07c9019fd 43
Bethory 0:6ad07c9019fd 44 /** Initialize the flash peripheral and the flash_t object
Bethory 0:6ad07c9019fd 45 *
Bethory 0:6ad07c9019fd 46 * @param obj The flash object
Bethory 0:6ad07c9019fd 47 * @return 0 for success, -1 for error
Bethory 0:6ad07c9019fd 48 */
Bethory 0:6ad07c9019fd 49 int32_t flash_init(flash_t *obj);
Bethory 0:6ad07c9019fd 50
Bethory 0:6ad07c9019fd 51 /** Uninitialize the flash peripheral and the flash_t object
Bethory 0:6ad07c9019fd 52 *
Bethory 0:6ad07c9019fd 53 * @param obj The flash object
Bethory 0:6ad07c9019fd 54 * @return 0 for success, -1 for error
Bethory 0:6ad07c9019fd 55 */
Bethory 0:6ad07c9019fd 56 int32_t flash_free(flash_t *obj);
Bethory 0:6ad07c9019fd 57
Bethory 0:6ad07c9019fd 58 /** Erase one sector starting at defined address
Bethory 0:6ad07c9019fd 59 *
Bethory 0:6ad07c9019fd 60 * The address should be at sector boundary. This function does not do any check for address alignments
Bethory 0:6ad07c9019fd 61 * @param obj The flash object
Bethory 0:6ad07c9019fd 62 * @param address The sector starting address
Bethory 0:6ad07c9019fd 63 * @return 0 for success, -1 for error
Bethory 0:6ad07c9019fd 64 */
Bethory 0:6ad07c9019fd 65 int32_t flash_erase_sector(flash_t *obj, uint32_t address);
Bethory 0:6ad07c9019fd 66
Bethory 0:6ad07c9019fd 67 /** Read data starting at defined address
Bethory 0:6ad07c9019fd 68 *
Bethory 0:6ad07c9019fd 69 * This function has a WEAK implementation using memcpy for backwards compatibility.
Bethory 0:6ad07c9019fd 70 * @param obj The flash object
Bethory 0:6ad07c9019fd 71 * @param address Address to begin reading from
Bethory 0:6ad07c9019fd 72 * @param data The buffer to read data into
Bethory 0:6ad07c9019fd 73 * @param size The number of bytes to read
Bethory 0:6ad07c9019fd 74 * @return 0 for success, -1 for error
Bethory 0:6ad07c9019fd 75 */
Bethory 0:6ad07c9019fd 76 int32_t flash_read(flash_t *obj, uint32_t address, uint8_t *data, uint32_t size);
Bethory 0:6ad07c9019fd 77
Bethory 0:6ad07c9019fd 78 /** Program pages starting at defined address
Bethory 0:6ad07c9019fd 79 *
Bethory 0:6ad07c9019fd 80 * The pages should not cross multiple sectors.
Bethory 0:6ad07c9019fd 81 * This function does not do any check for address alignments or if size is aligned to a page size.
Bethory 0:6ad07c9019fd 82 * @param obj The flash object
Bethory 0:6ad07c9019fd 83 * @param address The sector starting address
Bethory 0:6ad07c9019fd 84 * @param data The data buffer to be programmed
Bethory 0:6ad07c9019fd 85 * @param size The number of bytes to program
Bethory 0:6ad07c9019fd 86 * @return 0 for success, -1 for error
Bethory 0:6ad07c9019fd 87 */
Bethory 0:6ad07c9019fd 88 int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size);
Bethory 0:6ad07c9019fd 89
Bethory 0:6ad07c9019fd 90 /** Get sector size
Bethory 0:6ad07c9019fd 91 *
Bethory 0:6ad07c9019fd 92 * @param obj The flash object
Bethory 0:6ad07c9019fd 93 * @param address The sector starting address
Bethory 0:6ad07c9019fd 94 * @return The size of a sector
Bethory 0:6ad07c9019fd 95 */
Bethory 0:6ad07c9019fd 96 uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address);
Bethory 0:6ad07c9019fd 97
Bethory 0:6ad07c9019fd 98 /** Get page size
Bethory 0:6ad07c9019fd 99 *
Bethory 0:6ad07c9019fd 100 * The page size defines the writable page size
Bethory 0:6ad07c9019fd 101 * @param obj The flash object
Bethory 0:6ad07c9019fd 102 * @return The size of a page
Bethory 0:6ad07c9019fd 103 */
Bethory 0:6ad07c9019fd 104 uint32_t flash_get_page_size(const flash_t *obj);
Bethory 0:6ad07c9019fd 105
Bethory 0:6ad07c9019fd 106 /** Get start address for the flash region
Bethory 0:6ad07c9019fd 107 *
Bethory 0:6ad07c9019fd 108 * @param obj The flash object
Bethory 0:6ad07c9019fd 109 * @return The start address for the flash region
Bethory 0:6ad07c9019fd 110 */
Bethory 0:6ad07c9019fd 111 uint32_t flash_get_start_address(const flash_t *obj);
Bethory 0:6ad07c9019fd 112
Bethory 0:6ad07c9019fd 113 /** Get the flash region size
Bethory 0:6ad07c9019fd 114 *
Bethory 0:6ad07c9019fd 115 * @param obj The flash object
Bethory 0:6ad07c9019fd 116 * @return The flash region size
Bethory 0:6ad07c9019fd 117 */
Bethory 0:6ad07c9019fd 118 uint32_t flash_get_size(const flash_t *obj);
Bethory 0:6ad07c9019fd 119
Bethory 0:6ad07c9019fd 120 /**@}*/
Bethory 0:6ad07c9019fd 121
Bethory 0:6ad07c9019fd 122 #ifdef __cplusplus
Bethory 0:6ad07c9019fd 123 }
Bethory 0:6ad07c9019fd 124 #endif
Bethory 0:6ad07c9019fd 125
Bethory 0:6ad07c9019fd 126 #endif
Bethory 0:6ad07c9019fd 127
Bethory 0:6ad07c9019fd 128 #endif
Bethory 0:6ad07c9019fd 129
Bethory 0:6ad07c9019fd 130 /** @}*/