mirror of https://github.com/ARMmbed/mbed-os.git
154 lines
3.4 KiB
C++
154 lines
3.4 KiB
C++
/*
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* Copyright (c) 2018 ARM Limited. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "BlockDevice.h"
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#include "FileSystem.h"
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#include "FATFileSystem.h"
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#include "LittleFileSystem.h"
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#if COMPONENT_SPIF
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#include "SPIFBlockDevice.h"
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#endif
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#if COMPONENT_DATAFLASH
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#include "DataFlashBlockDevice.h"
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#endif
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#if COMPONENT_SD
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#include "SDBlockDevice.h"
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#endif
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#if COMPONENT_FLASHIAP
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#include "FlashIAPBlockDevice.h"
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#endif
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using namespace mbed;
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// Align a value to a specified size.
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// Parameters :
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// val - [IN] Value.
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// size - [IN] Size.
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// Return : Aligned value.
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static inline uint32_t align_up(uint32_t val, uint32_t size)
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{
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return (((val - 1) / size) + 1) * size;
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}
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MBED_WEAK BlockDevice *BlockDevice::get_default_instance()
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{
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#if COMPONENT_SPIF
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static SPIFBlockDevice default_bd(
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MBED_CONF_SPIF_DRIVER_SPI_MOSI,
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MBED_CONF_SPIF_DRIVER_SPI_MISO,
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MBED_CONF_SPIF_DRIVER_SPI_CLK,
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MBED_CONF_SPIF_DRIVER_SPI_CS,
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MBED_CONF_SPIF_DRIVER_SPI_FREQ
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);
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return &default_bd;
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#elif COMPONENT_DATAFLASH
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static DataFlashBlockDevice default_bd(
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MBED_CONF_DATAFLASH_SPI_MOSI,
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MBED_CONF_DATAFLASH_SPI_MISO,
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MBED_CONF_DATAFLASH_SPI_CLK,
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MBED_CONF_DATAFLASH_SPI_CS
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);
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return &default_bd;
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#elif COMPONENT_SD
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static SDBlockDevice default_bd(
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MBED_CONF_SD_SPI_MOSI,
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MBED_CONF_SD_SPI_MISO,
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MBED_CONF_SD_SPI_CLK,
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MBED_CONF_SD_SPI_CS
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);
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return &default_bd;
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#elif COMPONENT_FLASHIAP
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#if (MBED_CONF_FLASHIAP_BLOCK_DEVICE_SIZE == 0) && (MBED_CONF_FLASHIAP_BLOCK_DEVICE_BASE_ADDRESS == 0xFFFFFFFF)
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size_t flash_size;
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uint32_t start_address;
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uint32_t bottom_address;
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FlashIAP flash;
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int ret = flash.init();
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if (ret != 0) {
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return 0;
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}
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//Find the start of first sector after text area
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bottom_address = align_up(FLASHIAP_ROM_END, flash.get_sector_size(FLASHIAP_ROM_END));
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start_address = flash.get_flash_start();
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flash_size = flash.get_flash_size();
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ret = flash.deinit();
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static FlashIAPBlockDevice default_bd(bottom_address, start_address + flash_size - bottom_address);
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#else
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static FlashIAPBlockDevice default_bd;
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#endif
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return &default_bd;
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#else
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return NULL;
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#endif
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}
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MBED_WEAK FileSystem *FileSystem::get_default_instance()
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{
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#if COMPONENT_SPIF || COMPONENT_DATAFLASH
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static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
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flash.set_as_default();
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return &flash;
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#elif COMPONENT_SD
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static FATFileSystem sdcard("sd", BlockDevice::get_default_instance());
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sdcard.set_as_default();
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return &sdcard;
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#elif COMPONENT_FLASHIAP
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static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
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flash.set_as_default();
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return &flash;
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#else
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return NULL;
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#endif
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}
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