Modified version of the mbed library for use with the Nucleo boards.
Dependents: EEPROMWrite Full-Project
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_flash.c@630:825f75ca301e, 2015-09-28 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Sep 28 10:45:10 2015 +0100
- Revision:
- 630:825f75ca301e
- Parent:
- 441:d2c15dda23c1
Synchronized with git revision 54fbe4144faf309c37205a5d39fa665daa919f10
Full URL: https://github.com/mbedmicro/mbed/commit/54fbe4144faf309c37205a5d39fa665daa919f10/
NUCLEO_F031K6 : Add new target
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 340:28d1f895c6fe | 1 | /** |
mbed_official | 340:28d1f895c6fe | 2 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 3 | * @file stm32f0xx_hal_flash.c |
mbed_official | 340:28d1f895c6fe | 4 | * @author MCD Application Team |
mbed_official | 630:825f75ca301e | 5 | * @version V1.3.0 |
mbed_official | 630:825f75ca301e | 6 | * @date 26-June-2015 |
mbed_official | 340:28d1f895c6fe | 7 | * @brief FLASH HAL module driver. |
mbed_official | 340:28d1f895c6fe | 8 | * This file provides firmware functions to manage the following |
mbed_official | 340:28d1f895c6fe | 9 | * functionalities of the internal FLASH memory: |
mbed_official | 340:28d1f895c6fe | 10 | * + Program operations functions |
mbed_official | 340:28d1f895c6fe | 11 | * + Memory Control functions |
mbed_official | 340:28d1f895c6fe | 12 | * + Peripheral State functions |
mbed_official | 340:28d1f895c6fe | 13 | * |
mbed_official | 340:28d1f895c6fe | 14 | @verbatim |
mbed_official | 340:28d1f895c6fe | 15 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 16 | ##### FLASH peripheral features ##### |
mbed_official | 630:825f75ca301e | 17 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 18 | [..] The Flash memory interface manages CPU AHB I-Code and D-Code accesses |
mbed_official | 340:28d1f895c6fe | 19 | to the Flash memory. It implements the erase and program Flash memory operations |
mbed_official | 340:28d1f895c6fe | 20 | and the read and write protection mechanisms. |
mbed_official | 630:825f75ca301e | 21 | |
mbed_official | 340:28d1f895c6fe | 22 | [..] The Flash memory interface accelerates code execution with a system of instruction |
mbed_official | 340:28d1f895c6fe | 23 | prefetch. |
mbed_official | 340:28d1f895c6fe | 24 | |
mbed_official | 340:28d1f895c6fe | 25 | [..] The FLASH main features are: |
mbed_official | 340:28d1f895c6fe | 26 | (+) Flash memory read operations |
mbed_official | 340:28d1f895c6fe | 27 | (+) Flash memory program/erase operations |
mbed_official | 340:28d1f895c6fe | 28 | (+) Read / write protections |
mbed_official | 340:28d1f895c6fe | 29 | (+) Prefetch on I-Code |
mbed_official | 340:28d1f895c6fe | 30 | (+) Option Bytes programming |
mbed_official | 630:825f75ca301e | 31 | |
mbed_official | 630:825f75ca301e | 32 | |
mbed_official | 340:28d1f895c6fe | 33 | ##### How to use this driver ##### |
mbed_official | 340:28d1f895c6fe | 34 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 35 | [..] |
mbed_official | 340:28d1f895c6fe | 36 | This driver provides functions and macros to configure and program the FLASH |
mbed_official | 630:825f75ca301e | 37 | memory of all STM32F0xx devices. |
mbed_official | 340:28d1f895c6fe | 38 | |
mbed_official | 340:28d1f895c6fe | 39 | (#) FLASH Memory I/O Programming functions: this group includes all needed |
mbed_official | 340:28d1f895c6fe | 40 | functions to erase and program the main memory: |
mbed_official | 340:28d1f895c6fe | 41 | (++) Lock and Unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 42 | (++) Erase function: Erase page, erase all pages |
mbed_official | 441:d2c15dda23c1 | 43 | (++) Program functions: half word, word and doubleword |
mbed_official | 340:28d1f895c6fe | 44 | |
mbed_official | 630:825f75ca301e | 45 | (#) FLASH Option Bytes Programming functions: this group includes all needed |
mbed_official | 340:28d1f895c6fe | 46 | functions to manage the Option Bytes: |
mbed_official | 340:28d1f895c6fe | 47 | (++) Lock and Unlock the Option Bytes |
mbed_official | 340:28d1f895c6fe | 48 | (++) Set/Reset the write protection |
mbed_official | 340:28d1f895c6fe | 49 | (++) Set the Read protection Level |
mbed_official | 340:28d1f895c6fe | 50 | (++) Program the user Option Bytes |
mbed_official | 630:825f75ca301e | 51 | (++) Launch the Option Bytes loader |
mbed_official | 630:825f75ca301e | 52 | (++) Erase Option Bytes |
mbed_official | 340:28d1f895c6fe | 53 | (++) Program the data Option Bytes |
mbed_official | 630:825f75ca301e | 54 | (++) Get the Write protection. |
mbed_official | 630:825f75ca301e | 55 | (++) Get the user option bytes. |
mbed_official | 340:28d1f895c6fe | 56 | |
mbed_official | 340:28d1f895c6fe | 57 | (#) Interrupts and flags management functions : this group |
mbed_official | 340:28d1f895c6fe | 58 | includes all needed functions to: |
mbed_official | 340:28d1f895c6fe | 59 | (++) Handle FLASH interrupts |
mbed_official | 340:28d1f895c6fe | 60 | (++) Wait for last FLASH operation according to its status |
mbed_official | 340:28d1f895c6fe | 61 | (++) Get error flag status |
mbed_official | 340:28d1f895c6fe | 62 | |
mbed_official | 340:28d1f895c6fe | 63 | [..] In addition to these function, this driver includes a set of macros allowing |
mbed_official | 340:28d1f895c6fe | 64 | to handle the following operations: |
mbed_official | 340:28d1f895c6fe | 65 | |
mbed_official | 340:28d1f895c6fe | 66 | (+) Set the latency |
mbed_official | 340:28d1f895c6fe | 67 | (+) Enable/Disable the prefetch buffer |
mbed_official | 340:28d1f895c6fe | 68 | (+) Enable/Disable the FLASH interrupts |
mbed_official | 340:28d1f895c6fe | 69 | (+) Monitor the FLASH flags status |
mbed_official | 340:28d1f895c6fe | 70 | |
mbed_official | 340:28d1f895c6fe | 71 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 72 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 73 | * @attention |
mbed_official | 340:28d1f895c6fe | 74 | * |
mbed_official | 630:825f75ca301e | 75 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
mbed_official | 340:28d1f895c6fe | 76 | * |
mbed_official | 340:28d1f895c6fe | 77 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 340:28d1f895c6fe | 78 | * are permitted provided that the following conditions are met: |
mbed_official | 340:28d1f895c6fe | 79 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 80 | * this list of conditions and the following disclaimer. |
mbed_official | 340:28d1f895c6fe | 81 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 82 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 340:28d1f895c6fe | 83 | * and/or other materials provided with the distribution. |
mbed_official | 340:28d1f895c6fe | 84 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 340:28d1f895c6fe | 85 | * may be used to endorse or promote products derived from this software |
mbed_official | 340:28d1f895c6fe | 86 | * without specific prior written permission. |
mbed_official | 340:28d1f895c6fe | 87 | * |
mbed_official | 340:28d1f895c6fe | 88 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 340:28d1f895c6fe | 89 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 340:28d1f895c6fe | 90 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 340:28d1f895c6fe | 91 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 340:28d1f895c6fe | 92 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 340:28d1f895c6fe | 93 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 340:28d1f895c6fe | 94 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 340:28d1f895c6fe | 95 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 340:28d1f895c6fe | 96 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 340:28d1f895c6fe | 97 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 340:28d1f895c6fe | 98 | * |
mbed_official | 340:28d1f895c6fe | 99 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 100 | */ |
mbed_official | 340:28d1f895c6fe | 101 | |
mbed_official | 340:28d1f895c6fe | 102 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 103 | #include "stm32f0xx_hal.h" |
mbed_official | 340:28d1f895c6fe | 104 | |
mbed_official | 340:28d1f895c6fe | 105 | /** @addtogroup STM32F0xx_HAL_Driver |
mbed_official | 340:28d1f895c6fe | 106 | * @{ |
mbed_official | 340:28d1f895c6fe | 107 | */ |
mbed_official | 340:28d1f895c6fe | 108 | |
mbed_official | 630:825f75ca301e | 109 | #ifdef HAL_FLASH_MODULE_ENABLED |
mbed_official | 630:825f75ca301e | 110 | |
mbed_official | 630:825f75ca301e | 111 | /** @defgroup FLASH FLASH |
mbed_official | 340:28d1f895c6fe | 112 | * @brief FLASH HAL module driver |
mbed_official | 340:28d1f895c6fe | 113 | * @{ |
mbed_official | 340:28d1f895c6fe | 114 | */ |
mbed_official | 340:28d1f895c6fe | 115 | |
mbed_official | 340:28d1f895c6fe | 116 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 117 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 630:825f75ca301e | 118 | /** @defgroup FLASH_Private_Constants FLASH Private Constants |
mbed_official | 441:d2c15dda23c1 | 119 | * @{ |
mbed_official | 441:d2c15dda23c1 | 120 | */ |
mbed_official | 441:d2c15dda23c1 | 121 | /** |
mbed_official | 441:d2c15dda23c1 | 122 | * @} |
mbed_official | 441:d2c15dda23c1 | 123 | */ |
mbed_official | 441:d2c15dda23c1 | 124 | |
mbed_official | 630:825f75ca301e | 125 | /* Private macro ---------------------------- ---------------------------------*/ |
mbed_official | 441:d2c15dda23c1 | 126 | /** @defgroup FLASH_Private_Macros FLASH Private Macros |
mbed_official | 441:d2c15dda23c1 | 127 | * @{ |
mbed_official | 441:d2c15dda23c1 | 128 | */ |
mbed_official | 441:d2c15dda23c1 | 129 | |
mbed_official | 441:d2c15dda23c1 | 130 | /** |
mbed_official | 441:d2c15dda23c1 | 131 | * @} |
mbed_official | 441:d2c15dda23c1 | 132 | */ |
mbed_official | 441:d2c15dda23c1 | 133 | |
mbed_official | 340:28d1f895c6fe | 134 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 135 | /** @defgroup FLASH_Private_Variables FLASH Private Variables |
mbed_official | 630:825f75ca301e | 136 | * @{ |
mbed_official | 630:825f75ca301e | 137 | */ |
mbed_official | 340:28d1f895c6fe | 138 | /* Variables used for Erase pages under interruption*/ |
mbed_official | 340:28d1f895c6fe | 139 | FLASH_ProcessTypeDef pFlash; |
mbed_official | 340:28d1f895c6fe | 140 | /** |
mbed_official | 340:28d1f895c6fe | 141 | * @} |
mbed_official | 340:28d1f895c6fe | 142 | */ |
mbed_official | 630:825f75ca301e | 143 | |
mbed_official | 340:28d1f895c6fe | 144 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 145 | /** @defgroup FLASH_Private_Functions FLASH Private Functions |
mbed_official | 630:825f75ca301e | 146 | * @{ |
mbed_official | 630:825f75ca301e | 147 | */ |
mbed_official | 630:825f75ca301e | 148 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data); |
mbed_official | 630:825f75ca301e | 149 | static void FLASH_SetErrorCode(void); |
mbed_official | 340:28d1f895c6fe | 150 | /** |
mbed_official | 340:28d1f895c6fe | 151 | * @} |
mbed_official | 340:28d1f895c6fe | 152 | */ |
mbed_official | 340:28d1f895c6fe | 153 | |
mbed_official | 441:d2c15dda23c1 | 154 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 155 | /** @defgroup FLASH_Exported_Functions FLASH Exported Functions |
mbed_official | 340:28d1f895c6fe | 156 | * @{ |
mbed_official | 340:28d1f895c6fe | 157 | */ |
mbed_official | 340:28d1f895c6fe | 158 | |
mbed_official | 630:825f75ca301e | 159 | /** @defgroup FLASH_Exported_Functions_Group1 Programming operation functions |
mbed_official | 630:825f75ca301e | 160 | * @brief Programming operation functions |
mbed_official | 340:28d1f895c6fe | 161 | * |
mbed_official | 340:28d1f895c6fe | 162 | @verbatim |
mbed_official | 340:28d1f895c6fe | 163 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 164 | * @{ |
mbed_official | 340:28d1f895c6fe | 165 | */ |
mbed_official | 340:28d1f895c6fe | 166 | |
mbed_official | 340:28d1f895c6fe | 167 | /** |
mbed_official | 340:28d1f895c6fe | 168 | * @brief Program halfword, word or double word at a specified address |
mbed_official | 340:28d1f895c6fe | 169 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 170 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 171 | * |
mbed_official | 340:28d1f895c6fe | 172 | * @note If an erase and a program operations are requested simultaneously, |
mbed_official | 340:28d1f895c6fe | 173 | * the erase operation is performed before the program one. |
mbed_official | 340:28d1f895c6fe | 174 | * |
mbed_official | 441:d2c15dda23c1 | 175 | * @note FLASH should be previously erased before new programmation (only exception to this |
mbed_official | 441:d2c15dda23c1 | 176 | * is when 0x0000 is programmed) |
mbed_official | 441:d2c15dda23c1 | 177 | * |
mbed_official | 340:28d1f895c6fe | 178 | * @param TypeProgram: Indicate the way to program at a specified address. |
mbed_official | 340:28d1f895c6fe | 179 | * This parameter can be a value of @ref FLASH_Type_Program |
mbed_official | 340:28d1f895c6fe | 180 | * @param Address: Specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 181 | * @param Data: Specifies the data to be programmed |
mbed_official | 340:28d1f895c6fe | 182 | * |
mbed_official | 340:28d1f895c6fe | 183 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 184 | */ |
mbed_official | 340:28d1f895c6fe | 185 | HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
mbed_official | 340:28d1f895c6fe | 186 | { |
mbed_official | 340:28d1f895c6fe | 187 | HAL_StatusTypeDef status = HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 188 | uint8_t index = 0; |
mbed_official | 340:28d1f895c6fe | 189 | uint8_t nbiterations = 0; |
mbed_official | 340:28d1f895c6fe | 190 | |
mbed_official | 340:28d1f895c6fe | 191 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 192 | __HAL_LOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 193 | |
mbed_official | 340:28d1f895c6fe | 194 | /* Check the parameters */ |
mbed_official | 630:825f75ca301e | 195 | assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); |
mbed_official | 340:28d1f895c6fe | 196 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
mbed_official | 340:28d1f895c6fe | 197 | |
mbed_official | 630:825f75ca301e | 198 | /* Wait for last operation to be completed */ |
mbed_official | 630:825f75ca301e | 199 | status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); |
mbed_official | 340:28d1f895c6fe | 200 | |
mbed_official | 340:28d1f895c6fe | 201 | if(status == HAL_OK) |
mbed_official | 340:28d1f895c6fe | 202 | { |
mbed_official | 630:825f75ca301e | 203 | if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD) |
mbed_official | 340:28d1f895c6fe | 204 | { |
mbed_official | 340:28d1f895c6fe | 205 | /* Program halfword (16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 206 | nbiterations = 1; |
mbed_official | 340:28d1f895c6fe | 207 | } |
mbed_official | 630:825f75ca301e | 208 | else if(TypeProgram == FLASH_TYPEPROGRAM_WORD) |
mbed_official | 340:28d1f895c6fe | 209 | { |
mbed_official | 340:28d1f895c6fe | 210 | /* Program word (32-bit = 2*16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 211 | nbiterations = 2; |
mbed_official | 340:28d1f895c6fe | 212 | } |
mbed_official | 340:28d1f895c6fe | 213 | else |
mbed_official | 340:28d1f895c6fe | 214 | { |
mbed_official | 340:28d1f895c6fe | 215 | /* Program double word (64-bit = 4*16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 216 | nbiterations = 4; |
mbed_official | 340:28d1f895c6fe | 217 | } |
mbed_official | 340:28d1f895c6fe | 218 | |
mbed_official | 340:28d1f895c6fe | 219 | for (index = 0; index < nbiterations; index++) |
mbed_official | 340:28d1f895c6fe | 220 | { |
mbed_official | 340:28d1f895c6fe | 221 | FLASH_Program_HalfWord((Address + (2*index)), (uint16_t)(Data >> (16*index))); |
mbed_official | 340:28d1f895c6fe | 222 | |
mbed_official | 630:825f75ca301e | 223 | /* Wait for last operation to be completed */ |
mbed_official | 630:825f75ca301e | 224 | status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE); |
mbed_official | 340:28d1f895c6fe | 225 | |
mbed_official | 630:825f75ca301e | 226 | /* If the program operation is completed, disable the PG Bit */ |
mbed_official | 630:825f75ca301e | 227 | CLEAR_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 441:d2c15dda23c1 | 228 | /* In case of error, stop programation procedure */ |
mbed_official | 441:d2c15dda23c1 | 229 | if (status != HAL_OK) |
mbed_official | 441:d2c15dda23c1 | 230 | { |
mbed_official | 441:d2c15dda23c1 | 231 | break; |
mbed_official | 441:d2c15dda23c1 | 232 | } |
mbed_official | 340:28d1f895c6fe | 233 | } |
mbed_official | 340:28d1f895c6fe | 234 | } |
mbed_official | 340:28d1f895c6fe | 235 | |
mbed_official | 340:28d1f895c6fe | 236 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 237 | __HAL_UNLOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 238 | |
mbed_official | 340:28d1f895c6fe | 239 | return status; |
mbed_official | 340:28d1f895c6fe | 240 | } |
mbed_official | 340:28d1f895c6fe | 241 | |
mbed_official | 340:28d1f895c6fe | 242 | /** |
mbed_official | 340:28d1f895c6fe | 243 | * @brief Program halfword, word or double word at a specified address with interrupt enabled. |
mbed_official | 340:28d1f895c6fe | 244 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 245 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 246 | * |
mbed_official | 340:28d1f895c6fe | 247 | * @note If an erase and a program operations are requested simultaneously, |
mbed_official | 340:28d1f895c6fe | 248 | * the erase operation is performed before the program one. |
mbed_official | 340:28d1f895c6fe | 249 | * |
mbed_official | 340:28d1f895c6fe | 250 | * @param TypeProgram: Indicate the way to program at a specified address. |
mbed_official | 340:28d1f895c6fe | 251 | * This parameter can be a value of @ref FLASH_Type_Program |
mbed_official | 340:28d1f895c6fe | 252 | * @param Address: Specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 253 | * @param Data: Specifies the data to be programmed |
mbed_official | 340:28d1f895c6fe | 254 | * |
mbed_official | 340:28d1f895c6fe | 255 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 256 | */ |
mbed_official | 340:28d1f895c6fe | 257 | HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
mbed_official | 340:28d1f895c6fe | 258 | { |
mbed_official | 340:28d1f895c6fe | 259 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 340:28d1f895c6fe | 260 | |
mbed_official | 340:28d1f895c6fe | 261 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 262 | __HAL_LOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 263 | |
mbed_official | 340:28d1f895c6fe | 264 | /* Check the parameters */ |
mbed_official | 630:825f75ca301e | 265 | assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); |
mbed_official | 340:28d1f895c6fe | 266 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
mbed_official | 340:28d1f895c6fe | 267 | |
mbed_official | 340:28d1f895c6fe | 268 | /* Enable End of FLASH Operation and Error source interrupts */ |
mbed_official | 630:825f75ca301e | 269 | __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 270 | |
mbed_official | 340:28d1f895c6fe | 271 | pFlash.Address = Address; |
mbed_official | 340:28d1f895c6fe | 272 | pFlash.Data = Data; |
mbed_official | 340:28d1f895c6fe | 273 | |
mbed_official | 630:825f75ca301e | 274 | if(TypeProgram == FLASH_TYPEPROGRAM_HALFWORD) |
mbed_official | 340:28d1f895c6fe | 275 | { |
mbed_official | 340:28d1f895c6fe | 276 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMHALFWORD; |
mbed_official | 340:28d1f895c6fe | 277 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 278 | pFlash.DataRemaining = 1; |
mbed_official | 340:28d1f895c6fe | 279 | } |
mbed_official | 630:825f75ca301e | 280 | else if(TypeProgram == FLASH_TYPEPROGRAM_WORD) |
mbed_official | 340:28d1f895c6fe | 281 | { |
mbed_official | 340:28d1f895c6fe | 282 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMWORD; |
mbed_official | 340:28d1f895c6fe | 283 | /*Program word (32-bit : 2*16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 284 | pFlash.DataRemaining = 2; |
mbed_official | 340:28d1f895c6fe | 285 | } |
mbed_official | 340:28d1f895c6fe | 286 | else |
mbed_official | 340:28d1f895c6fe | 287 | { |
mbed_official | 340:28d1f895c6fe | 288 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMDOUBLEWORD; |
mbed_official | 340:28d1f895c6fe | 289 | /*Program double word (64-bit : 4*16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 290 | pFlash.DataRemaining = 4; |
mbed_official | 340:28d1f895c6fe | 291 | } |
mbed_official | 340:28d1f895c6fe | 292 | |
mbed_official | 340:28d1f895c6fe | 293 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 294 | FLASH_Program_HalfWord(Address, (uint16_t)Data); |
mbed_official | 340:28d1f895c6fe | 295 | |
mbed_official | 340:28d1f895c6fe | 296 | return status; |
mbed_official | 340:28d1f895c6fe | 297 | } |
mbed_official | 340:28d1f895c6fe | 298 | |
mbed_official | 340:28d1f895c6fe | 299 | /** |
mbed_official | 340:28d1f895c6fe | 300 | * @brief This function handles FLASH interrupt request. |
mbed_official | 340:28d1f895c6fe | 301 | * @retval None |
mbed_official | 340:28d1f895c6fe | 302 | */ |
mbed_official | 340:28d1f895c6fe | 303 | void HAL_FLASH_IRQHandler(void) |
mbed_official | 340:28d1f895c6fe | 304 | { |
mbed_official | 441:d2c15dda23c1 | 305 | uint32_t addresstmp = 0; |
mbed_official | 630:825f75ca301e | 306 | |
mbed_official | 441:d2c15dda23c1 | 307 | /* Check FLASH operation error flags */ |
mbed_official | 441:d2c15dda23c1 | 308 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 441:d2c15dda23c1 | 309 | { |
mbed_official | 441:d2c15dda23c1 | 310 | /*Save the Error code*/ |
mbed_official | 441:d2c15dda23c1 | 311 | FLASH_SetErrorCode(); |
mbed_official | 441:d2c15dda23c1 | 312 | |
mbed_official | 441:d2c15dda23c1 | 313 | /* FLASH error interrupt user callback */ |
mbed_official | 441:d2c15dda23c1 | 314 | HAL_FLASH_OperationErrorCallback(pFlash.Address); |
mbed_official | 441:d2c15dda23c1 | 315 | |
mbed_official | 441:d2c15dda23c1 | 316 | /* Reset address and stop the procedure ongoing*/ |
mbed_official | 441:d2c15dda23c1 | 317 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 441:d2c15dda23c1 | 318 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 441:d2c15dda23c1 | 319 | } |
mbed_official | 340:28d1f895c6fe | 320 | |
mbed_official | 340:28d1f895c6fe | 321 | /* Check FLASH End of Operation flag */ |
mbed_official | 340:28d1f895c6fe | 322 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
mbed_official | 340:28d1f895c6fe | 323 | { |
mbed_official | 340:28d1f895c6fe | 324 | /* Clear FLASH End of Operation pending bit */ |
mbed_official | 340:28d1f895c6fe | 325 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
mbed_official | 340:28d1f895c6fe | 326 | |
mbed_official | 441:d2c15dda23c1 | 327 | /* Process can continue only if no error detected */ |
mbed_official | 441:d2c15dda23c1 | 328 | if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE) |
mbed_official | 441:d2c15dda23c1 | 329 | { |
mbed_official | 630:825f75ca301e | 330 | if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) |
mbed_official | 630:825f75ca301e | 331 | { |
mbed_official | 630:825f75ca301e | 332 | /* Nb of pages to erased can be decreased */ |
mbed_official | 630:825f75ca301e | 333 | pFlash.DataRemaining--; |
mbed_official | 340:28d1f895c6fe | 334 | |
mbed_official | 630:825f75ca301e | 335 | /* Indicate user which page address has been erased*/ |
mbed_official | 630:825f75ca301e | 336 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
mbed_official | 340:28d1f895c6fe | 337 | |
mbed_official | 630:825f75ca301e | 338 | /* Check if there are still pages to erase*/ |
mbed_official | 630:825f75ca301e | 339 | if(pFlash.DataRemaining != 0) |
mbed_official | 630:825f75ca301e | 340 | { |
mbed_official | 630:825f75ca301e | 341 | /* Increment page address to next page */ |
mbed_official | 630:825f75ca301e | 342 | pFlash.Address += FLASH_PAGE_SIZE; |
mbed_official | 630:825f75ca301e | 343 | addresstmp = pFlash.Address; |
mbed_official | 441:d2c15dda23c1 | 344 | |
mbed_official | 441:d2c15dda23c1 | 345 | /* Operation is completed, disable the PER Bit */ |
mbed_official | 441:d2c15dda23c1 | 346 | CLEAR_BIT(FLASH->CR, FLASH_CR_PER); |
mbed_official | 441:d2c15dda23c1 | 347 | |
mbed_official | 630:825f75ca301e | 348 | FLASH_PageErase(addresstmp); |
mbed_official | 630:825f75ca301e | 349 | } |
mbed_official | 630:825f75ca301e | 350 | else |
mbed_official | 630:825f75ca301e | 351 | { |
mbed_official | 630:825f75ca301e | 352 | /*No more pages to Erase*/ |
mbed_official | 340:28d1f895c6fe | 353 | |
mbed_official | 630:825f75ca301e | 354 | /*Reset Address and stop Erase pages procedure*/ |
mbed_official | 630:825f75ca301e | 355 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 630:825f75ca301e | 356 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 630:825f75ca301e | 357 | } |
mbed_official | 340:28d1f895c6fe | 358 | } |
mbed_official | 630:825f75ca301e | 359 | else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE) |
mbed_official | 630:825f75ca301e | 360 | { |
mbed_official | 441:d2c15dda23c1 | 361 | /* Operation is completed, disable the MER Bit */ |
mbed_official | 441:d2c15dda23c1 | 362 | CLEAR_BIT(FLASH->CR, FLASH_CR_MER); |
mbed_official | 441:d2c15dda23c1 | 363 | |
mbed_official | 630:825f75ca301e | 364 | /* MassErase ended. Return the selected bank*/ |
mbed_official | 630:825f75ca301e | 365 | /* FLASH EOP interrupt user callback */ |
mbed_official | 630:825f75ca301e | 366 | HAL_FLASH_EndOfOperationCallback(0); |
mbed_official | 340:28d1f895c6fe | 367 | |
mbed_official | 630:825f75ca301e | 368 | /* Stop Mass Erase procedure*/ |
mbed_official | 630:825f75ca301e | 369 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 630:825f75ca301e | 370 | } |
mbed_official | 630:825f75ca301e | 371 | else |
mbed_official | 340:28d1f895c6fe | 372 | { |
mbed_official | 630:825f75ca301e | 373 | /* Nb of 16-bit data to program can be decreased */ |
mbed_official | 630:825f75ca301e | 374 | pFlash.DataRemaining--; |
mbed_official | 630:825f75ca301e | 375 | |
mbed_official | 630:825f75ca301e | 376 | /* Check if there are still 16-bit data to program */ |
mbed_official | 630:825f75ca301e | 377 | if(pFlash.DataRemaining != 0) |
mbed_official | 630:825f75ca301e | 378 | { |
mbed_official | 630:825f75ca301e | 379 | /* Increment address to 16-bit */ |
mbed_official | 630:825f75ca301e | 380 | pFlash.Address += 2; |
mbed_official | 630:825f75ca301e | 381 | addresstmp = pFlash.Address; |
mbed_official | 630:825f75ca301e | 382 | |
mbed_official | 630:825f75ca301e | 383 | /* Shift to have next 16-bit data */ |
mbed_official | 630:825f75ca301e | 384 | pFlash.Data = (pFlash.Data >> 16); |
mbed_official | 630:825f75ca301e | 385 | |
mbed_official | 441:d2c15dda23c1 | 386 | /* Operation is completed, disable the PG Bit */ |
mbed_official | 441:d2c15dda23c1 | 387 | CLEAR_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 441:d2c15dda23c1 | 388 | |
mbed_official | 630:825f75ca301e | 389 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 630:825f75ca301e | 390 | FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data); |
mbed_official | 340:28d1f895c6fe | 391 | } |
mbed_official | 630:825f75ca301e | 392 | else |
mbed_official | 340:28d1f895c6fe | 393 | { |
mbed_official | 630:825f75ca301e | 394 | /*Program ended. Return the selected address*/ |
mbed_official | 630:825f75ca301e | 395 | /* FLASH EOP interrupt user callback */ |
mbed_official | 630:825f75ca301e | 396 | if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD) |
mbed_official | 630:825f75ca301e | 397 | { |
mbed_official | 630:825f75ca301e | 398 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
mbed_official | 630:825f75ca301e | 399 | } |
mbed_official | 630:825f75ca301e | 400 | else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD) |
mbed_official | 630:825f75ca301e | 401 | { |
mbed_official | 630:825f75ca301e | 402 | HAL_FLASH_EndOfOperationCallback(pFlash.Address - 2); |
mbed_official | 630:825f75ca301e | 403 | } |
mbed_official | 630:825f75ca301e | 404 | else |
mbed_official | 630:825f75ca301e | 405 | { |
mbed_official | 630:825f75ca301e | 406 | HAL_FLASH_EndOfOperationCallback(pFlash.Address - 6); |
mbed_official | 630:825f75ca301e | 407 | } |
mbed_official | 630:825f75ca301e | 408 | |
mbed_official | 630:825f75ca301e | 409 | /* Reset Address and stop Program procedure*/ |
mbed_official | 630:825f75ca301e | 410 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 630:825f75ca301e | 411 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 340:28d1f895c6fe | 412 | } |
mbed_official | 340:28d1f895c6fe | 413 | } |
mbed_official | 340:28d1f895c6fe | 414 | } |
mbed_official | 340:28d1f895c6fe | 415 | } |
mbed_official | 630:825f75ca301e | 416 | |
mbed_official | 340:28d1f895c6fe | 417 | |
mbed_official | 340:28d1f895c6fe | 418 | if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE) |
mbed_official | 340:28d1f895c6fe | 419 | { |
mbed_official | 441:d2c15dda23c1 | 420 | /* Operation is completed, disable the PG, PER and MER Bits */ |
mbed_official | 441:d2c15dda23c1 | 421 | CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER)); |
mbed_official | 441:d2c15dda23c1 | 422 | |
mbed_official | 340:28d1f895c6fe | 423 | /* Disable End of FLASH Operation and Error source interrupts */ |
mbed_official | 630:825f75ca301e | 424 | __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR); |
mbed_official | 340:28d1f895c6fe | 425 | |
mbed_official | 340:28d1f895c6fe | 426 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 427 | __HAL_UNLOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 428 | } |
mbed_official | 340:28d1f895c6fe | 429 | } |
mbed_official | 340:28d1f895c6fe | 430 | |
mbed_official | 340:28d1f895c6fe | 431 | |
mbed_official | 340:28d1f895c6fe | 432 | /** |
mbed_official | 340:28d1f895c6fe | 433 | * @brief FLASH end of operation interrupt callback |
mbed_official | 340:28d1f895c6fe | 434 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
mbed_official | 340:28d1f895c6fe | 435 | * - Mass Erase: No return value expected |
mbed_official | 340:28d1f895c6fe | 436 | * - Pages Erase: Address of the page which has been erased |
mbed_official | 340:28d1f895c6fe | 437 | * - Program: Address which was selected for data program |
mbed_official | 340:28d1f895c6fe | 438 | * @retval none |
mbed_official | 340:28d1f895c6fe | 439 | */ |
mbed_official | 340:28d1f895c6fe | 440 | __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue) |
mbed_official | 340:28d1f895c6fe | 441 | { |
mbed_official | 340:28d1f895c6fe | 442 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 443 | the HAL_FLASH_EndOfOperationCallback could be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 444 | */ |
mbed_official | 340:28d1f895c6fe | 445 | } |
mbed_official | 340:28d1f895c6fe | 446 | |
mbed_official | 340:28d1f895c6fe | 447 | /** |
mbed_official | 340:28d1f895c6fe | 448 | * @brief FLASH operation error interrupt callback |
mbed_official | 340:28d1f895c6fe | 449 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
mbed_official | 340:28d1f895c6fe | 450 | * - Mass Erase: No return value expected |
mbed_official | 340:28d1f895c6fe | 451 | * - Pages Erase: Address of the page which returned an error |
mbed_official | 340:28d1f895c6fe | 452 | * - Program: Address which was selected for data program |
mbed_official | 340:28d1f895c6fe | 453 | * @retval none |
mbed_official | 340:28d1f895c6fe | 454 | */ |
mbed_official | 340:28d1f895c6fe | 455 | __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue) |
mbed_official | 340:28d1f895c6fe | 456 | { |
mbed_official | 340:28d1f895c6fe | 457 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 458 | the HAL_FLASH_OperationErrorCallback could be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 459 | */ |
mbed_official | 340:28d1f895c6fe | 460 | } |
mbed_official | 340:28d1f895c6fe | 461 | |
mbed_official | 340:28d1f895c6fe | 462 | /** |
mbed_official | 340:28d1f895c6fe | 463 | * @} |
mbed_official | 340:28d1f895c6fe | 464 | */ |
mbed_official | 340:28d1f895c6fe | 465 | |
mbed_official | 340:28d1f895c6fe | 466 | /** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions |
mbed_official | 340:28d1f895c6fe | 467 | * @brief management functions |
mbed_official | 340:28d1f895c6fe | 468 | * |
mbed_official | 340:28d1f895c6fe | 469 | @verbatim |
mbed_official | 340:28d1f895c6fe | 470 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 471 | ##### Peripheral Control functions ##### |
mbed_official | 340:28d1f895c6fe | 472 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 473 | [..] |
mbed_official | 340:28d1f895c6fe | 474 | This subsection provides a set of functions allowing to control the FLASH |
mbed_official | 340:28d1f895c6fe | 475 | memory operations. |
mbed_official | 340:28d1f895c6fe | 476 | |
mbed_official | 340:28d1f895c6fe | 477 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 478 | * @{ |
mbed_official | 340:28d1f895c6fe | 479 | */ |
mbed_official | 340:28d1f895c6fe | 480 | |
mbed_official | 340:28d1f895c6fe | 481 | /** |
mbed_official | 340:28d1f895c6fe | 482 | * @brief Unlock the FLASH control register access |
mbed_official | 340:28d1f895c6fe | 483 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 484 | */ |
mbed_official | 340:28d1f895c6fe | 485 | HAL_StatusTypeDef HAL_FLASH_Unlock(void) |
mbed_official | 340:28d1f895c6fe | 486 | { |
mbed_official | 630:825f75ca301e | 487 | if (HAL_IS_BIT_SET(FLASH->CR, FLASH_CR_LOCK)) |
mbed_official | 340:28d1f895c6fe | 488 | { |
mbed_official | 340:28d1f895c6fe | 489 | /* Authorize the FLASH Registers access */ |
mbed_official | 630:825f75ca301e | 490 | WRITE_REG(FLASH->KEYR, FLASH_KEY1); |
mbed_official | 630:825f75ca301e | 491 | WRITE_REG(FLASH->KEYR, FLASH_KEY2); |
mbed_official | 340:28d1f895c6fe | 492 | } |
mbed_official | 340:28d1f895c6fe | 493 | else |
mbed_official | 340:28d1f895c6fe | 494 | { |
mbed_official | 340:28d1f895c6fe | 495 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 496 | } |
mbed_official | 630:825f75ca301e | 497 | |
mbed_official | 340:28d1f895c6fe | 498 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 499 | } |
mbed_official | 340:28d1f895c6fe | 500 | |
mbed_official | 340:28d1f895c6fe | 501 | /** |
mbed_official | 340:28d1f895c6fe | 502 | * @brief Locks the FLASH control register access |
mbed_official | 340:28d1f895c6fe | 503 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 504 | */ |
mbed_official | 340:28d1f895c6fe | 505 | HAL_StatusTypeDef HAL_FLASH_Lock(void) |
mbed_official | 340:28d1f895c6fe | 506 | { |
mbed_official | 340:28d1f895c6fe | 507 | /* Set the LOCK Bit to lock the FLASH Registers access */ |
mbed_official | 340:28d1f895c6fe | 508 | SET_BIT(FLASH->CR, FLASH_CR_LOCK); |
mbed_official | 340:28d1f895c6fe | 509 | |
mbed_official | 630:825f75ca301e | 510 | |
mbed_official | 340:28d1f895c6fe | 511 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 512 | } |
mbed_official | 340:28d1f895c6fe | 513 | |
mbed_official | 340:28d1f895c6fe | 514 | |
mbed_official | 340:28d1f895c6fe | 515 | /** |
mbed_official | 340:28d1f895c6fe | 516 | * @brief Unlock the FLASH Option Control Registers access. |
mbed_official | 340:28d1f895c6fe | 517 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 518 | */ |
mbed_official | 340:28d1f895c6fe | 519 | HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) |
mbed_official | 340:28d1f895c6fe | 520 | { |
mbed_official | 630:825f75ca301e | 521 | if (HAL_IS_BIT_CLR(FLASH->CR, FLASH_CR_OPTWRE)) |
mbed_official | 340:28d1f895c6fe | 522 | { |
mbed_official | 340:28d1f895c6fe | 523 | /* Authorizes the Option Byte register programming */ |
mbed_official | 340:28d1f895c6fe | 524 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY1); |
mbed_official | 340:28d1f895c6fe | 525 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY2); |
mbed_official | 340:28d1f895c6fe | 526 | } |
mbed_official | 340:28d1f895c6fe | 527 | else |
mbed_official | 340:28d1f895c6fe | 528 | { |
mbed_official | 340:28d1f895c6fe | 529 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 530 | } |
mbed_official | 340:28d1f895c6fe | 531 | |
mbed_official | 340:28d1f895c6fe | 532 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 533 | } |
mbed_official | 340:28d1f895c6fe | 534 | |
mbed_official | 340:28d1f895c6fe | 535 | /** |
mbed_official | 340:28d1f895c6fe | 536 | * @brief Lock the FLASH Option Control Registers access. |
mbed_official | 340:28d1f895c6fe | 537 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 538 | */ |
mbed_official | 340:28d1f895c6fe | 539 | HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) |
mbed_official | 340:28d1f895c6fe | 540 | { |
mbed_official | 340:28d1f895c6fe | 541 | /* Clear the OPTWRE Bit to lock the FLASH Option Byte Registers access */ |
mbed_official | 340:28d1f895c6fe | 542 | CLEAR_BIT(FLASH->CR, FLASH_CR_OPTWRE); |
mbed_official | 340:28d1f895c6fe | 543 | |
mbed_official | 340:28d1f895c6fe | 544 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 545 | } |
mbed_official | 630:825f75ca301e | 546 | |
mbed_official | 340:28d1f895c6fe | 547 | /** |
mbed_official | 340:28d1f895c6fe | 548 | * @brief Launch the option byte loading. |
mbed_official | 630:825f75ca301e | 549 | * @note This function will reset automatically the MCU. |
mbed_official | 630:825f75ca301e | 550 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 551 | */ |
mbed_official | 340:28d1f895c6fe | 552 | HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) |
mbed_official | 340:28d1f895c6fe | 553 | { |
mbed_official | 630:825f75ca301e | 554 | /* Set the OBL_Launch bit to lauch the option byte loading */ |
mbed_official | 630:825f75ca301e | 555 | SET_BIT(FLASH->CR, FLASH_CR_OBL_LAUNCH); |
mbed_official | 630:825f75ca301e | 556 | |
mbed_official | 340:28d1f895c6fe | 557 | /* Wait for last operation to be completed */ |
mbed_official | 630:825f75ca301e | 558 | return(FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE)); |
mbed_official | 340:28d1f895c6fe | 559 | } |
mbed_official | 340:28d1f895c6fe | 560 | |
mbed_official | 340:28d1f895c6fe | 561 | /** |
mbed_official | 340:28d1f895c6fe | 562 | * @} |
mbed_official | 630:825f75ca301e | 563 | */ |
mbed_official | 340:28d1f895c6fe | 564 | |
mbed_official | 630:825f75ca301e | 565 | /** @defgroup FLASH_Exported_Functions_Group3 Peripheral State functions |
mbed_official | 630:825f75ca301e | 566 | * @brief Peripheral State functions |
mbed_official | 340:28d1f895c6fe | 567 | * |
mbed_official | 340:28d1f895c6fe | 568 | @verbatim |
mbed_official | 340:28d1f895c6fe | 569 | =============================================================================== |
mbed_official | 630:825f75ca301e | 570 | ##### Peripheral State functions ##### |
mbed_official | 340:28d1f895c6fe | 571 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 572 | [..] |
mbed_official | 630:825f75ca301e | 573 | This subsection permit to get in run-time the status of the FLASH peripheral. |
mbed_official | 340:28d1f895c6fe | 574 | |
mbed_official | 340:28d1f895c6fe | 575 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 576 | * @{ |
mbed_official | 340:28d1f895c6fe | 577 | */ |
mbed_official | 340:28d1f895c6fe | 578 | |
mbed_official | 340:28d1f895c6fe | 579 | /** |
mbed_official | 340:28d1f895c6fe | 580 | * @brief Get the specific FLASH error flag. |
mbed_official | 340:28d1f895c6fe | 581 | * @retval FLASH_ErrorCode: The returned value can be: |
mbed_official | 630:825f75ca301e | 582 | * @ref FLASH_Error_Codes |
mbed_official | 340:28d1f895c6fe | 583 | */ |
mbed_official | 441:d2c15dda23c1 | 584 | uint32_t HAL_FLASH_GetError(void) |
mbed_official | 340:28d1f895c6fe | 585 | { |
mbed_official | 340:28d1f895c6fe | 586 | return pFlash.ErrorCode; |
mbed_official | 630:825f75ca301e | 587 | } |
mbed_official | 340:28d1f895c6fe | 588 | /** |
mbed_official | 340:28d1f895c6fe | 589 | * @} |
mbed_official | 340:28d1f895c6fe | 590 | */ |
mbed_official | 340:28d1f895c6fe | 591 | |
mbed_official | 340:28d1f895c6fe | 592 | /** |
mbed_official | 340:28d1f895c6fe | 593 | * @} |
mbed_official | 630:825f75ca301e | 594 | */ |
mbed_official | 340:28d1f895c6fe | 595 | |
mbed_official | 340:28d1f895c6fe | 596 | /** @addtogroup FLASH_Private_Functions |
mbed_official | 630:825f75ca301e | 597 | * @{ |
mbed_official | 630:825f75ca301e | 598 | */ |
mbed_official | 340:28d1f895c6fe | 599 | /** |
mbed_official | 340:28d1f895c6fe | 600 | * @brief Program a half-word (16-bit) at a specified address. |
mbed_official | 340:28d1f895c6fe | 601 | * @param Address: specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 602 | * @param Data: specifies the data to be programmed. |
mbed_official | 340:28d1f895c6fe | 603 | * @retval None |
mbed_official | 340:28d1f895c6fe | 604 | */ |
mbed_official | 340:28d1f895c6fe | 605 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data) |
mbed_official | 340:28d1f895c6fe | 606 | { |
mbed_official | 441:d2c15dda23c1 | 607 | /* Clean the error context */ |
mbed_official | 630:825f75ca301e | 608 | pFlash.ErrorCode = HAL_FLASH_ERROR_NONE; |
mbed_official | 630:825f75ca301e | 609 | |
mbed_official | 630:825f75ca301e | 610 | /* Proceed to program the new data */ |
mbed_official | 630:825f75ca301e | 611 | SET_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 441:d2c15dda23c1 | 612 | |
mbed_official | 630:825f75ca301e | 613 | /* Write data in the address */ |
mbed_official | 340:28d1f895c6fe | 614 | *(__IO uint16_t*)Address = Data; |
mbed_official | 340:28d1f895c6fe | 615 | } |
mbed_official | 340:28d1f895c6fe | 616 | |
mbed_official | 340:28d1f895c6fe | 617 | /** |
mbed_official | 340:28d1f895c6fe | 618 | * @brief Wait for a FLASH operation to complete. |
mbed_official | 340:28d1f895c6fe | 619 | * @param Timeout: maximum flash operationtimeout |
mbed_official | 340:28d1f895c6fe | 620 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 621 | */ |
mbed_official | 340:28d1f895c6fe | 622 | HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) |
mbed_official | 630:825f75ca301e | 623 | { |
mbed_official | 340:28d1f895c6fe | 624 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
mbed_official | 340:28d1f895c6fe | 625 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
mbed_official | 340:28d1f895c6fe | 626 | flag will be set */ |
mbed_official | 340:28d1f895c6fe | 627 | |
mbed_official | 340:28d1f895c6fe | 628 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 340:28d1f895c6fe | 629 | |
mbed_official | 340:28d1f895c6fe | 630 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY)) |
mbed_official | 340:28d1f895c6fe | 631 | { |
mbed_official | 630:825f75ca301e | 632 | if (Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 633 | { |
mbed_official | 630:825f75ca301e | 634 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 635 | { |
mbed_official | 340:28d1f895c6fe | 636 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 637 | } |
mbed_official | 340:28d1f895c6fe | 638 | } |
mbed_official | 340:28d1f895c6fe | 639 | } |
mbed_official | 340:28d1f895c6fe | 640 | |
mbed_official | 441:d2c15dda23c1 | 641 | /* Check FLASH End of Operation flag */ |
mbed_official | 441:d2c15dda23c1 | 642 | if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
mbed_official | 441:d2c15dda23c1 | 643 | { |
mbed_official | 441:d2c15dda23c1 | 644 | /* Clear FLASH End of Operation pending bit */ |
mbed_official | 441:d2c15dda23c1 | 645 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
mbed_official | 441:d2c15dda23c1 | 646 | } |
mbed_official | 630:825f75ca301e | 647 | |
mbed_official | 340:28d1f895c6fe | 648 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 340:28d1f895c6fe | 649 | { |
mbed_official | 340:28d1f895c6fe | 650 | /*Save the error code*/ |
mbed_official | 340:28d1f895c6fe | 651 | FLASH_SetErrorCode(); |
mbed_official | 340:28d1f895c6fe | 652 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 653 | } |
mbed_official | 340:28d1f895c6fe | 654 | |
mbed_official | 441:d2c15dda23c1 | 655 | /* If there is no error flag set */ |
mbed_official | 340:28d1f895c6fe | 656 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 657 | |
mbed_official | 340:28d1f895c6fe | 658 | } |
mbed_official | 340:28d1f895c6fe | 659 | |
mbed_official | 630:825f75ca301e | 660 | |
mbed_official | 340:28d1f895c6fe | 661 | /** |
mbed_official | 340:28d1f895c6fe | 662 | * @brief Set the specific FLASH error flag. |
mbed_official | 340:28d1f895c6fe | 663 | * @retval None |
mbed_official | 340:28d1f895c6fe | 664 | */ |
mbed_official | 340:28d1f895c6fe | 665 | static void FLASH_SetErrorCode(void) |
mbed_official | 630:825f75ca301e | 666 | { |
mbed_official | 340:28d1f895c6fe | 667 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
mbed_official | 340:28d1f895c6fe | 668 | { |
mbed_official | 630:825f75ca301e | 669 | pFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; |
mbed_official | 340:28d1f895c6fe | 670 | } |
mbed_official | 340:28d1f895c6fe | 671 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 340:28d1f895c6fe | 672 | { |
mbed_official | 630:825f75ca301e | 673 | pFlash.ErrorCode |= HAL_FLASH_ERROR_PROG; |
mbed_official | 340:28d1f895c6fe | 674 | } |
mbed_official | 441:d2c15dda23c1 | 675 | |
mbed_official | 630:825f75ca301e | 676 | /* Clear FLASH error pending bits */ |
mbed_official | 441:d2c15dda23c1 | 677 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); |
mbed_official | 630:825f75ca301e | 678 | } |
mbed_official | 630:825f75ca301e | 679 | /** |
mbed_official | 630:825f75ca301e | 680 | * @} |
mbed_official | 630:825f75ca301e | 681 | */ |
mbed_official | 340:28d1f895c6fe | 682 | |
mbed_official | 340:28d1f895c6fe | 683 | /** |
mbed_official | 340:28d1f895c6fe | 684 | * @} |
mbed_official | 630:825f75ca301e | 685 | */ |
mbed_official | 340:28d1f895c6fe | 686 | |
mbed_official | 340:28d1f895c6fe | 687 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
mbed_official | 340:28d1f895c6fe | 688 | |
mbed_official | 340:28d1f895c6fe | 689 | /** |
mbed_official | 340:28d1f895c6fe | 690 | * @} |
mbed_official | 340:28d1f895c6fe | 691 | */ |
mbed_official | 340:28d1f895c6fe | 692 | |
mbed_official | 340:28d1f895c6fe | 693 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |