Jim Carver / Mbed OS pelion-workshop

Workshop example

Dependencies:   X_NUCLEO_COMMON ST_INTERFACES

drivers/storage/MySystemStorage.cpp@35:42b3fba640b1, 2019-05-21 (annotated)

Committer:
JimCarver
Date:
Tue May 21 21:16:24 2019 +0000
Revision:
35:42b3fba640b1
Parent:
10:b27c962b3c3f 
Simple version for workshop

Who changed what in which revision?

UserRevisionLine numberNew contents of line
screamer 10:b27c962b3c3f 1 /*
screamer 10:b27c962b3c3f 2 * Copyright (c) 2018 ARM Limited. All rights reserved.
screamer 10:b27c962b3c3f 3 * SPDX-License-Identifier: Apache-2.0
screamer 10:b27c962b3c3f 4 * Licensed under the Apache License, Version 2.0 (the License); you may
screamer 10:b27c962b3c3f 5 * not use this file except in compliance with the License.
screamer 10:b27c962b3c3f 6 * You may obtain a copy of the License at
screamer 10:b27c962b3c3f 7 *
screamer 10:b27c962b3c3f 8 * http://www.apache.org/licenses/LICENSE-2.0
screamer 10:b27c962b3c3f 9 *
screamer 10:b27c962b3c3f 10 * Unless required by applicable law or agreed to in writing, software
screamer 10:b27c962b3c3f 11 * distributed under the License is distributed on an AS IS BASIS, WITHOUT
screamer 10:b27c962b3c3f 12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
screamer 10:b27c962b3c3f 13 * See the License for the specific language governing permissions and
screamer 10:b27c962b3c3f 14 * limitations under the License.
screamer 10:b27c962b3c3f 15 */
screamer 10:b27c962b3c3f 16 #include "BlockDevice.h"
screamer 10:b27c962b3c3f 17 #include "FileSystem.h"
screamer 10:b27c962b3c3f 18 #include "FATFileSystem.h"
screamer 10:b27c962b3c3f 19 #include "LittleFileSystem.h"
screamer 10:b27c962b3c3f 20
screamer 10:b27c962b3c3f 21 #if COMPONENT_SPIF
screamer 10:b27c962b3c3f 22 #include "SPIFBlockDevice.h"
screamer 10:b27c962b3c3f 23 #endif
screamer 10:b27c962b3c3f 24
screamer 10:b27c962b3c3f 25 #if COMPONENT_QSPIF
screamer 10:b27c962b3c3f 26 #include "QSPIFBlockDevice.h"
screamer 10:b27c962b3c3f 27 #endif
screamer 10:b27c962b3c3f 28
screamer 10:b27c962b3c3f 29 #if COMPONENT_DATAFLASH
screamer 10:b27c962b3c3f 30 #include "DataFlashBlockDevice.h"
screamer 10:b27c962b3c3f 31 #endif
screamer 10:b27c962b3c3f 32
screamer 10:b27c962b3c3f 33 #if COMPONENT_SD
screamer 10:b27c962b3c3f 34 #include "SDBlockDevice.h"
screamer 10:b27c962b3c3f 35 #endif
screamer 10:b27c962b3c3f 36
screamer 10:b27c962b3c3f 37 #if COMPONENT_FLASHIAP
screamer 10:b27c962b3c3f 38 #include "FlashIAPBlockDevice.h"
screamer 10:b27c962b3c3f 39 #endif
screamer 10:b27c962b3c3f 40
screamer 10:b27c962b3c3f 41 #if COMPONENT_NUSD
screamer 10:b27c962b3c3f 42 #include "NuSDBlockDevice.h"
screamer 10:b27c962b3c3f 43 #endif
screamer 10:b27c962b3c3f 44
screamer 10:b27c962b3c3f 45 using namespace mbed;
screamer 10:b27c962b3c3f 46
screamer 10:b27c962b3c3f 47 // Align a value to a specified size.
screamer 10:b27c962b3c3f 48 // Parameters :
screamer 10:b27c962b3c3f 49 // val - [IN] Value.
screamer 10:b27c962b3c3f 50 // size - [IN] Size.
screamer 10:b27c962b3c3f 51 // Return : Aligned value.
screamer 10:b27c962b3c3f 52 static inline uint32_t align_up(uint32_t val, uint32_t size)
screamer 10:b27c962b3c3f 53 {
screamer 10:b27c962b3c3f 54 return (((val - 1) / size) + 1) * size;
screamer 10:b27c962b3c3f 55 }
screamer 10:b27c962b3c3f 56
screamer 10:b27c962b3c3f 57 BlockDevice *BlockDevice::get_default_instance()
screamer 10:b27c962b3c3f 58 {
screamer 10:b27c962b3c3f 59 #if COMPONENT_SPIF
screamer 10:b27c962b3c3f 60
screamer 10:b27c962b3c3f 61 static SPIFBlockDevice default_bd(
screamer 10:b27c962b3c3f 62 MBED_CONF_SPIF_DRIVER_SPI_MOSI,
screamer 10:b27c962b3c3f 63 MBED_CONF_SPIF_DRIVER_SPI_MISO,
screamer 10:b27c962b3c3f 64 MBED_CONF_SPIF_DRIVER_SPI_CLK,
screamer 10:b27c962b3c3f 65 MBED_CONF_SPIF_DRIVER_SPI_CS,
screamer 10:b27c962b3c3f 66 MBED_CONF_SPIF_DRIVER_SPI_FREQ
screamer 10:b27c962b3c3f 67 );
screamer 10:b27c962b3c3f 68
screamer 10:b27c962b3c3f 69 return &default_bd;
screamer 10:b27c962b3c3f 70
screamer 10:b27c962b3c3f 71 #elif COMPONENT_QSPIF
screamer 10:b27c962b3c3f 72
screamer 10:b27c962b3c3f 73 static QSPIFBlockDevice default_bd(
screamer 10:b27c962b3c3f 74 MBED_CONF_QSPIF_QSPI_IO0,
screamer 10:b27c962b3c3f 75 MBED_CONF_QSPIF_QSPI_IO1,
screamer 10:b27c962b3c3f 76 MBED_CONF_QSPIF_QSPI_IO2,
screamer 10:b27c962b3c3f 77 MBED_CONF_QSPIF_QSPI_IO3,
screamer 10:b27c962b3c3f 78 MBED_CONF_QSPIF_QSPI_SCK,
screamer 10:b27c962b3c3f 79 MBED_CONF_QSPIF_QSPI_CSN,
screamer 10:b27c962b3c3f 80 MBED_CONF_QSPIF_QSPI_POLARITY_MODE,
screamer 10:b27c962b3c3f 81 MBED_CONF_QSPIF_QSPI_FREQ
screamer 10:b27c962b3c3f 82 );
screamer 10:b27c962b3c3f 83
screamer 10:b27c962b3c3f 84 return &default_bd;
screamer 10:b27c962b3c3f 85
screamer 10:b27c962b3c3f 86 #elif COMPONENT_DATAFLASH
screamer 10:b27c962b3c3f 87
screamer 10:b27c962b3c3f 88 static DataFlashBlockDevice default_bd(
screamer 10:b27c962b3c3f 89 MBED_CONF_DATAFLASH_SPI_MOSI,
screamer 10:b27c962b3c3f 90 MBED_CONF_DATAFLASH_SPI_MISO,
screamer 10:b27c962b3c3f 91 MBED_CONF_DATAFLASH_SPI_CLK,
screamer 10:b27c962b3c3f 92 MBED_CONF_DATAFLASH_SPI_CS
screamer 10:b27c962b3c3f 93 );
screamer 10:b27c962b3c3f 94
screamer 10:b27c962b3c3f 95 return &default_bd;
screamer 10:b27c962b3c3f 96
screamer 10:b27c962b3c3f 97 #elif COMPONENT_SD
screamer 10:b27c962b3c3f 98
screamer 10:b27c962b3c3f 99 static SDBlockDevice default_bd(
screamer 10:b27c962b3c3f 100 MBED_CONF_SD_SPI_MOSI,
screamer 10:b27c962b3c3f 101 MBED_CONF_SD_SPI_MISO,
screamer 10:b27c962b3c3f 102 MBED_CONF_SD_SPI_CLK,
screamer 10:b27c962b3c3f 103 MBED_CONF_SD_SPI_CS
screamer 10:b27c962b3c3f 104 );
screamer 10:b27c962b3c3f 105
screamer 10:b27c962b3c3f 106 return &default_bd;
screamer 10:b27c962b3c3f 107
screamer 10:b27c962b3c3f 108 #elif COMPONENT_NUSD
screamer 10:b27c962b3c3f 109
screamer 10:b27c962b3c3f 110 static NuSDBlockDevice default_bd;
screamer 10:b27c962b3c3f 111
screamer 10:b27c962b3c3f 112 return &default_bd;
screamer 10:b27c962b3c3f 113
screamer 10:b27c962b3c3f 114 #elif COMPONENT_FLASHIAP
screamer 10:b27c962b3c3f 115
screamer 10:b27c962b3c3f 116 #if (MBED_CONF_FLASHIAP_BLOCK_DEVICE_SIZE == 0) && (MBED_CONF_FLASHIAP_BLOCK_DEVICE_BASE_ADDRESS == 0xFFFFFFFF)
screamer 10:b27c962b3c3f 117
screamer 10:b27c962b3c3f 118 size_t flash_size;
screamer 10:b27c962b3c3f 119 uint32_t start_address;
screamer 10:b27c962b3c3f 120 uint32_t bottom_address;
screamer 10:b27c962b3c3f 121 FlashIAP flash;
screamer 10:b27c962b3c3f 122
screamer 10:b27c962b3c3f 123 int ret = flash.init();
screamer 10:b27c962b3c3f 124 if (ret != 0) {
screamer 10:b27c962b3c3f 125 return 0;
screamer 10:b27c962b3c3f 126 }
screamer 10:b27c962b3c3f 127
screamer 10:b27c962b3c3f 128 //Find the start of first sector after text area
screamer 10:b27c962b3c3f 129 bottom_address = align_up(FLASHIAP_ROM_END, flash.get_sector_size(FLASHIAP_ROM_END));
screamer 10:b27c962b3c3f 130 start_address = flash.get_flash_start();
screamer 10:b27c962b3c3f 131 flash_size = flash.get_flash_size();
screamer 10:b27c962b3c3f 132
screamer 10:b27c962b3c3f 133 ret = flash.deinit();
screamer 10:b27c962b3c3f 134
screamer 10:b27c962b3c3f 135 static FlashIAPBlockDevice default_bd(bottom_address, start_address + flash_size - bottom_address);
screamer 10:b27c962b3c3f 136
screamer 10:b27c962b3c3f 137 #else
screamer 10:b27c962b3c3f 138
screamer 10:b27c962b3c3f 139 static FlashIAPBlockDevice default_bd;
screamer 10:b27c962b3c3f 140
screamer 10:b27c962b3c3f 141 #endif
screamer 10:b27c962b3c3f 142
screamer 10:b27c962b3c3f 143 return &default_bd;
screamer 10:b27c962b3c3f 144
screamer 10:b27c962b3c3f 145 #else
screamer 10:b27c962b3c3f 146
screamer 10:b27c962b3c3f 147 return NULL;
screamer 10:b27c962b3c3f 148
screamer 10:b27c962b3c3f 149 #endif
screamer 10:b27c962b3c3f 150
screamer 10:b27c962b3c3f 151 }
screamer 10:b27c962b3c3f 152
screamer 10:b27c962b3c3f 153 FileSystem *FileSystem::get_default_instance()
screamer 10:b27c962b3c3f 154 {
screamer 10:b27c962b3c3f 155 #if COMPONENT_SPIF || COMPONENT_QSPIF || COMPONENT_DATAFLASH || COMPONENT_NUSD
screamer 10:b27c962b3c3f 156
screamer 10:b27c962b3c3f 157 static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
screamer 10:b27c962b3c3f 158 flash.set_as_default();
screamer 10:b27c962b3c3f 159
screamer 10:b27c962b3c3f 160 return &flash;
screamer 10:b27c962b3c3f 161
screamer 10:b27c962b3c3f 162 #elif COMPONENT_SD
screamer 10:b27c962b3c3f 163
screamer 10:b27c962b3c3f 164 static FATFileSystem sdcard("sd", BlockDevice::get_default_instance());
screamer 10:b27c962b3c3f 165 sdcard.set_as_default();
screamer 10:b27c962b3c3f 166
screamer 10:b27c962b3c3f 167 return &sdcard;
screamer 10:b27c962b3c3f 168
screamer 10:b27c962b3c3f 169 #elif COMPONENT_FLASHIAP
screamer 10:b27c962b3c3f 170
screamer 10:b27c962b3c3f 171 static LittleFileSystem flash("flash", BlockDevice::get_default_instance());
screamer 10:b27c962b3c3f 172 flash.set_as_default();
screamer 10:b27c962b3c3f 173
screamer 10:b27c962b3c3f 174 return &flash;
screamer 10:b27c962b3c3f 175
screamer 10:b27c962b3c3f 176 #else
screamer 10:b27c962b3c3f 177
screamer 10:b27c962b3c3f 178 return NULL;
screamer 10:b27c962b3c3f 179
screamer 10:b27c962b3c3f 180 #endif
screamer 10:b27c962b3c3f 181
screamer 10:b27c962b3c3f 182 }