mbed library sources. Supersedes mbed-src.
Dependents: Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more
targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F429xI/device/flash_api.c@169:e3b6fe271b81, 2017-07-19 (annotated)
- Committer:
- Kojto
- Date:
- Wed Jul 19 17:31:21 2017 +0100
- Revision:
- 169:e3b6fe271b81
- Parent:
- 167:e84263d55307
This updates the lib to the mbed lib v 147
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
<> | 160:d5399cc887bb | 1 | /* mbed Microcontroller Library |
Kojto | 169:e3b6fe271b81 | 2 | ******************************************************************************* |
Kojto | 169:e3b6fe271b81 | 3 | * Copyright (c) 2017, STMicroelectronics |
Kojto | 169:e3b6fe271b81 | 4 | * All rights reserved. |
<> | 160:d5399cc887bb | 5 | * |
Kojto | 169:e3b6fe271b81 | 6 | * Redistribution and use in source and binary forms, with or without |
Kojto | 169:e3b6fe271b81 | 7 | * modification, are permitted provided that the following conditions are met: |
<> | 160:d5399cc887bb | 8 | * |
Kojto | 169:e3b6fe271b81 | 9 | * 1. Redistributions of source code must retain the above copyright notice, |
Kojto | 169:e3b6fe271b81 | 10 | * this list of conditions and the following disclaimer. |
Kojto | 169:e3b6fe271b81 | 11 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
Kojto | 169:e3b6fe271b81 | 12 | * this list of conditions and the following disclaimer in the documentation |
Kojto | 169:e3b6fe271b81 | 13 | * and/or other materials provided with the distribution. |
Kojto | 169:e3b6fe271b81 | 14 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
Kojto | 169:e3b6fe271b81 | 15 | * may be used to endorse or promote products derived from this software |
Kojto | 169:e3b6fe271b81 | 16 | * without specific prior written permission. |
<> | 160:d5399cc887bb | 17 | * |
Kojto | 169:e3b6fe271b81 | 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
Kojto | 169:e3b6fe271b81 | 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
Kojto | 169:e3b6fe271b81 | 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
Kojto | 169:e3b6fe271b81 | 21 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
Kojto | 169:e3b6fe271b81 | 22 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
Kojto | 169:e3b6fe271b81 | 23 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
Kojto | 169:e3b6fe271b81 | 24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
Kojto | 169:e3b6fe271b81 | 25 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
Kojto | 169:e3b6fe271b81 | 26 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
Kojto | 169:e3b6fe271b81 | 27 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Kojto | 169:e3b6fe271b81 | 28 | ******************************************************************************* |
<> | 160:d5399cc887bb | 29 | */ |
<> | 160:d5399cc887bb | 30 | |
<> | 160:d5399cc887bb | 31 | #include "flash_api.h" |
<> | 160:d5399cc887bb | 32 | #include "flash_data.h" |
AnnaBridge | 167:e84263d55307 | 33 | #include "platform/mbed_critical.h" |
<> | 160:d5399cc887bb | 34 | |
AnnaBridge | 167:e84263d55307 | 35 | // This file is automatically generated |
AnnaBridge | 167:e84263d55307 | 36 | |
AnnaBridge | 167:e84263d55307 | 37 | #if DEVICE_FLASH |
<> | 160:d5399cc887bb | 38 | |
Kojto | 169:e3b6fe271b81 | 39 | #if defined (STM32F429xx) || defined (STM32F439xx) |
Kojto | 169:e3b6fe271b81 | 40 | #define FLASH_SIZE (uint32_t) 0x200000 |
Kojto | 169:e3b6fe271b81 | 41 | #endif |
Kojto | 169:e3b6fe271b81 | 42 | |
Kojto | 169:e3b6fe271b81 | 43 | static uint32_t GetSector(uint32_t Address); |
Kojto | 169:e3b6fe271b81 | 44 | static uint32_t GetSectorSize(uint32_t Sector); |
Kojto | 169:e3b6fe271b81 | 45 | |
Kojto | 169:e3b6fe271b81 | 46 | int32_t flash_init(flash_t *obj) |
Kojto | 169:e3b6fe271b81 | 47 | { |
Kojto | 169:e3b6fe271b81 | 48 | /* Allow Access to Flash control registers and user Falsh */ |
Kojto | 169:e3b6fe271b81 | 49 | if (HAL_FLASH_Unlock()) { |
Kojto | 169:e3b6fe271b81 | 50 | return -1; |
Kojto | 169:e3b6fe271b81 | 51 | } else { |
Kojto | 169:e3b6fe271b81 | 52 | return 0; |
Kojto | 169:e3b6fe271b81 | 53 | } |
Kojto | 169:e3b6fe271b81 | 54 | } |
Kojto | 169:e3b6fe271b81 | 55 | int32_t flash_free(flash_t *obj) |
Kojto | 169:e3b6fe271b81 | 56 | { |
Kojto | 169:e3b6fe271b81 | 57 | /* Disable the Flash option control register access (recommended to protect |
Kojto | 169:e3b6fe271b81 | 58 | the option Bytes against possible unwanted operations) */ |
Kojto | 169:e3b6fe271b81 | 59 | if (HAL_FLASH_Lock()) { |
Kojto | 169:e3b6fe271b81 | 60 | return -1; |
Kojto | 169:e3b6fe271b81 | 61 | } else { |
Kojto | 169:e3b6fe271b81 | 62 | return 0; |
Kojto | 169:e3b6fe271b81 | 63 | } |
Kojto | 169:e3b6fe271b81 | 64 | } |
Kojto | 169:e3b6fe271b81 | 65 | int32_t flash_erase_sector(flash_t *obj, uint32_t address) |
Kojto | 169:e3b6fe271b81 | 66 | { |
Kojto | 169:e3b6fe271b81 | 67 | /*Variable used for Erase procedure*/ |
Kojto | 169:e3b6fe271b81 | 68 | static FLASH_EraseInitTypeDef EraseInitStruct; |
Kojto | 169:e3b6fe271b81 | 69 | uint32_t FirstSector; |
Kojto | 169:e3b6fe271b81 | 70 | uint32_t SectorError = 0; |
Kojto | 169:e3b6fe271b81 | 71 | |
Kojto | 169:e3b6fe271b81 | 72 | if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) { |
Kojto | 169:e3b6fe271b81 | 73 | |
Kojto | 169:e3b6fe271b81 | 74 | return -1; |
Kojto | 169:e3b6fe271b81 | 75 | } |
Kojto | 169:e3b6fe271b81 | 76 | |
Kojto | 169:e3b6fe271b81 | 77 | /* Get the 1st sector to erase */ |
Kojto | 169:e3b6fe271b81 | 78 | FirstSector = GetSector(address); |
Kojto | 169:e3b6fe271b81 | 79 | |
Kojto | 169:e3b6fe271b81 | 80 | /* Fill EraseInit structure*/ |
Kojto | 169:e3b6fe271b81 | 81 | EraseInitStruct.TypeErase = FLASH_TYPEERASE_SECTORS; |
Kojto | 169:e3b6fe271b81 | 82 | EraseInitStruct.VoltageRange = FLASH_VOLTAGE_RANGE_3; |
Kojto | 169:e3b6fe271b81 | 83 | EraseInitStruct.Sector = FirstSector; |
Kojto | 169:e3b6fe271b81 | 84 | EraseInitStruct.NbSectors = 1; |
Kojto | 169:e3b6fe271b81 | 85 | if(HAL_FLASHEx_Erase(&EraseInitStruct, &SectorError) != HAL_OK){ |
Kojto | 169:e3b6fe271b81 | 86 | return -1; |
Kojto | 169:e3b6fe271b81 | 87 | } else { |
Kojto | 169:e3b6fe271b81 | 88 | return 0; |
Kojto | 169:e3b6fe271b81 | 89 | } |
Kojto | 169:e3b6fe271b81 | 90 | } |
Kojto | 169:e3b6fe271b81 | 91 | |
Kojto | 169:e3b6fe271b81 | 92 | int32_t flash_program_page(flash_t *obj, uint32_t address, const uint8_t *data, uint32_t size) |
Kojto | 169:e3b6fe271b81 | 93 | { |
Kojto | 169:e3b6fe271b81 | 94 | |
Kojto | 169:e3b6fe271b81 | 95 | if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) { |
Kojto | 169:e3b6fe271b81 | 96 | return -1; |
Kojto | 169:e3b6fe271b81 | 97 | } |
Kojto | 169:e3b6fe271b81 | 98 | |
Kojto | 169:e3b6fe271b81 | 99 | /* Note: If an erase operation in Flash memory also concerns data in the data or instruction cache, |
Kojto | 169:e3b6fe271b81 | 100 | you have to make sure that these data are rewritten before they are accessed during code |
Kojto | 169:e3b6fe271b81 | 101 | execution. If this cannot be done safely, it is recommended to flush the caches by setting the |
Kojto | 169:e3b6fe271b81 | 102 | DCRST and ICRST bits in the FLASH_CR register. */ |
Kojto | 169:e3b6fe271b81 | 103 | __HAL_FLASH_DATA_CACHE_DISABLE(); |
Kojto | 169:e3b6fe271b81 | 104 | __HAL_FLASH_INSTRUCTION_CACHE_DISABLE(); |
Kojto | 169:e3b6fe271b81 | 105 | |
Kojto | 169:e3b6fe271b81 | 106 | __HAL_FLASH_DATA_CACHE_RESET(); |
Kojto | 169:e3b6fe271b81 | 107 | __HAL_FLASH_INSTRUCTION_CACHE_RESET(); |
Kojto | 169:e3b6fe271b81 | 108 | |
Kojto | 169:e3b6fe271b81 | 109 | __HAL_FLASH_INSTRUCTION_CACHE_ENABLE(); |
Kojto | 169:e3b6fe271b81 | 110 | __HAL_FLASH_DATA_CACHE_ENABLE(); |
<> | 160:d5399cc887bb | 111 | |
Kojto | 169:e3b6fe271b81 | 112 | while (size > 0) { |
Kojto | 169:e3b6fe271b81 | 113 | if (HAL_FLASH_Program(FLASH_TYPEPROGRAM_BYTE, address, (uint64_t)*data) != HAL_OK) { |
Kojto | 169:e3b6fe271b81 | 114 | return -1; |
Kojto | 169:e3b6fe271b81 | 115 | } else { |
Kojto | 169:e3b6fe271b81 | 116 | size--; |
Kojto | 169:e3b6fe271b81 | 117 | address++; |
Kojto | 169:e3b6fe271b81 | 118 | data++; |
Kojto | 169:e3b6fe271b81 | 119 | } |
Kojto | 169:e3b6fe271b81 | 120 | } |
Kojto | 169:e3b6fe271b81 | 121 | return 0; |
Kojto | 169:e3b6fe271b81 | 122 | } |
Kojto | 169:e3b6fe271b81 | 123 | |
Kojto | 169:e3b6fe271b81 | 124 | uint32_t flash_get_sector_size(const flash_t *obj, uint32_t address) |
Kojto | 169:e3b6fe271b81 | 125 | { |
Kojto | 169:e3b6fe271b81 | 126 | |
Kojto | 169:e3b6fe271b81 | 127 | if ((address >= (FLASH_BASE + FLASH_SIZE)) || (address < FLASH_BASE)) { |
Kojto | 169:e3b6fe271b81 | 128 | return MBED_FLASH_INVALID_SIZE; |
Kojto | 169:e3b6fe271b81 | 129 | } |
Kojto | 169:e3b6fe271b81 | 130 | |
Kojto | 169:e3b6fe271b81 | 131 | return (GetSectorSize(GetSector(address))); |
Kojto | 169:e3b6fe271b81 | 132 | } |
Kojto | 169:e3b6fe271b81 | 133 | |
Kojto | 169:e3b6fe271b81 | 134 | uint32_t flash_get_page_size(const flash_t *obj) |
Kojto | 169:e3b6fe271b81 | 135 | { |
Kojto | 169:e3b6fe271b81 | 136 | // not applicable for STM32F4 |
Kojto | 169:e3b6fe271b81 | 137 | return (0x4000); // minimum sector size |
Kojto | 169:e3b6fe271b81 | 138 | } |
Kojto | 169:e3b6fe271b81 | 139 | uint32_t flash_get_start_address(const flash_t *obj) |
Kojto | 169:e3b6fe271b81 | 140 | { |
Kojto | 169:e3b6fe271b81 | 141 | return FLASH_BASE; |
Kojto | 169:e3b6fe271b81 | 142 | } |
Kojto | 169:e3b6fe271b81 | 143 | uint32_t flash_get_size(const flash_t *obj) |
Kojto | 169:e3b6fe271b81 | 144 | { |
Kojto | 169:e3b6fe271b81 | 145 | return FLASH_SIZE; |
Kojto | 169:e3b6fe271b81 | 146 | } |
<> | 160:d5399cc887bb | 147 | |
Kojto | 169:e3b6fe271b81 | 148 | /** |
Kojto | 169:e3b6fe271b81 | 149 | * @brief Gets the sector of a given address |
Kojto | 169:e3b6fe271b81 | 150 | * @param None |
Kojto | 169:e3b6fe271b81 | 151 | * @retval The sector of a given address |
Kojto | 169:e3b6fe271b81 | 152 | */ |
Kojto | 169:e3b6fe271b81 | 153 | static uint32_t GetSector(uint32_t address) |
Kojto | 169:e3b6fe271b81 | 154 | { |
Kojto | 169:e3b6fe271b81 | 155 | uint32_t sector = 0; |
Kojto | 169:e3b6fe271b81 | 156 | uint32_t tmp = address - ADDR_FLASH_SECTOR_0; |
Kojto | 169:e3b6fe271b81 | 157 | if (address & 0x100000) { // handle 2nd bank |
Kojto | 169:e3b6fe271b81 | 158 | sector = FLASH_SECTOR_12; |
Kojto | 169:e3b6fe271b81 | 159 | tmp = address - ADDR_FLASH_SECTOR_12; |
Kojto | 169:e3b6fe271b81 | 160 | } |
Kojto | 169:e3b6fe271b81 | 161 | if (address < ADDR_FLASH_SECTOR_4) { // 16k sectorsize |
Kojto | 169:e3b6fe271b81 | 162 | sector += tmp >>14; |
Kojto | 169:e3b6fe271b81 | 163 | } else if (address < ADDR_FLASH_SECTOR_5) { //64k sector size |
Kojto | 169:e3b6fe271b81 | 164 | sector += FLASH_SECTOR_4; |
Kojto | 169:e3b6fe271b81 | 165 | } else { |
Kojto | 169:e3b6fe271b81 | 166 | sector += 4 + (tmp >>17); |
Kojto | 169:e3b6fe271b81 | 167 | } |
Kojto | 169:e3b6fe271b81 | 168 | return sector; |
Kojto | 169:e3b6fe271b81 | 169 | } |
<> | 160:d5399cc887bb | 170 | |
Kojto | 169:e3b6fe271b81 | 171 | /** |
Kojto | 169:e3b6fe271b81 | 172 | * @brief Gets sector Size |
Kojto | 169:e3b6fe271b81 | 173 | * @param None |
Kojto | 169:e3b6fe271b81 | 174 | * @retval The size of a given sector |
Kojto | 169:e3b6fe271b81 | 175 | */ |
Kojto | 169:e3b6fe271b81 | 176 | static uint32_t GetSectorSize(uint32_t Sector) |
<> | 160:d5399cc887bb | 177 | { |
Kojto | 169:e3b6fe271b81 | 178 | uint32_t sectorsize = 0x00; |
Kojto | 169:e3b6fe271b81 | 179 | if((Sector == FLASH_SECTOR_0) || (Sector == FLASH_SECTOR_1) || (Sector == FLASH_SECTOR_2) ||\ |
Kojto | 169:e3b6fe271b81 | 180 | (Sector == FLASH_SECTOR_3) || (Sector == FLASH_SECTOR_12) || (Sector == FLASH_SECTOR_13) ||\ |
Kojto | 169:e3b6fe271b81 | 181 | (Sector == FLASH_SECTOR_14) || (Sector == FLASH_SECTOR_15)) { |
Kojto | 169:e3b6fe271b81 | 182 | sectorsize = 16 * 1024; |
Kojto | 169:e3b6fe271b81 | 183 | } else if((Sector == FLASH_SECTOR_4) || (Sector == FLASH_SECTOR_16)) { |
Kojto | 169:e3b6fe271b81 | 184 | sectorsize = 64 * 1024; |
Kojto | 169:e3b6fe271b81 | 185 | } else { |
Kojto | 169:e3b6fe271b81 | 186 | sectorsize = 128 * 1024; |
Kojto | 169:e3b6fe271b81 | 187 | } |
Kojto | 169:e3b6fe271b81 | 188 | return sectorsize; |
<> | 160:d5399cc887bb | 189 | } |
AnnaBridge | 167:e84263d55307 | 190 | |
AnnaBridge | 167:e84263d55307 | 191 | #endif |