mbed-os/features/storage/system_storage/SystemStorage.cpp

171 lines
4.0 KiB
C++

/*
* Copyright (c) 2018 ARM Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
* 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.
*/
#include "features/storage/blockdevice/BlockDevice.h"
#include "features/storage/filesystem/FileSystem.h"
#include "features/storage/filesystem/fat/FATFileSystem.h"
#include "features/storage/filesystem/littlefs/LittleFileSystem.h"
#include "mbed_error.h"
#if COMPONENT_SPIF
#include "components/storage/blockdevice/COMPONENT_SPIF/SPIFBlockDevice.h"
#endif
#if COMPONENT_RSPIF
#include "components/storage/blockdevice/COMPONENT_RSPIF/SPIFReducedBlockDevice.h"
#endif
#if COMPONENT_QSPIF
#include "components/storage/blockdevice/COMPONENT_QSPIF/QSPIFBlockDevice.h"
#endif
#if COMPONENT_DATAFLASH
#include "components/storage/blockdevice/COMPONENT_DATAFLASH/DataFlashBlockDevice.h"
#endif
#if COMPONENT_SD
#include "components/storage/blockdevice/COMPONENT_SD/SDBlockDevice.h"
#if (STATIC_PINMAP_READY)
const spi_pinmap_t static_spi_pinmap = get_spi_pinmap(MBED_CONF_SD_SPI_MOSI, MBED_CONF_SD_SPI_MISO, MBED_CONF_SD_SPI_CLK, NC);
#endif
#endif
#if COMPONENT_FLASHIAP
#include "components/storage/blockdevice/COMPONENT_FLASHIAP/FlashIAPBlockDevice.h"
#endif
using namespace mbed;
// Align a value to a specified size.
// Parameters :
// val - [IN] Value.
// size - [IN] Size.
// Return : Aligned value.
static inline uint32_t align_up(uint32_t val, uint32_t size)
{
return (((val - 1) / size) + 1) * size;
}
MBED_WEAK BlockDevice *BlockDevice::get_default_instance()
{
#if COMPONENT_SPIF
static SPIFBlockDevice default_bd;
return &default_bd;
#elif COMPONENT_RSPIF
static SPIFReducedBlockDevice default_bd;
return &default_bd;
#elif COMPONENT_QSPIF
static QSPIFBlockDevice default_bd;
return &default_bd;
#elif COMPONENT_DATAFLASH
static DataFlashBlockDevice default_bd;
return &default_bd;
#elif COMPONENT_SD
#if (STATIC_PINMAP_READY)
static SDBlockDevice default_bd(
static_spi_pinmap,
MBED_CONF_SD_SPI_CS
);
#else
static SDBlockDevice default_bd;
#endif
return &default_bd;
#elif COMPONENT_FLASHIAP
#if (MBED_CONF_FLASHIAP_BLOCK_DEVICE_SIZE == 0) && (MBED_CONF_FLASHIAP_BLOCK_DEVICE_BASE_ADDRESS == 0xFFFFFFFF)
size_t flash_size;
uint32_t start_address;
uint32_t bottom_address;
FlashIAP flash;
int ret = flash.init();
if (ret != 0) {
return 0;
}
//Find the start of first sector after text area
bottom_address = align_up(FLASHIAP_APP_ROM_END_ADDR, flash.get_sector_size(FLASHIAP_APP_ROM_END_ADDR));
start_address = flash.get_flash_start();
flash_size = flash.get_flash_size();
ret = flash.deinit();
static FlashIAPBlockDevice default_bd(bottom_address, start_address + flash_size - bottom_address);
#else
static FlashIAPBlockDevice default_bd;
#endif
return &default_bd;
#else
return NULL;
#endif
}
MBED_WEAK FileSystem *FileSystem::get_default_instance()
{
#if COMPONENT_SPIF || COMPONENT_QSPIF || COMPONENT_DATAFLASH
static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
flash.set_as_default();
return &flash;
#elif COMPONENT_SD
static FATFileSystem sdcard("sd", BlockDevice::get_default_instance());
sdcard.set_as_default();
return &sdcard;
#elif COMPONENT_FLASHIAP
static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
flash.set_as_default();
return &flash;
#else
return NULL;
#endif
}