fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_flash.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32f3xx_hal_flash.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
bogdanm | 0:9b334a45a8ff | 5 | * @version V1.1.0 |
bogdanm | 0:9b334a45a8ff | 6 | * @date 12-Sept-2014 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief FLASH HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * |
bogdanm | 0:9b334a45a8ff | 9 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 10 | * functionalities of the internal FLASH memory: |
bogdanm | 0:9b334a45a8ff | 11 | * + Program operations functions |
bogdanm | 0:9b334a45a8ff | 12 | * + Memory Control functions |
bogdanm | 0:9b334a45a8ff | 13 | * + Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 14 | * |
bogdanm | 0:9b334a45a8ff | 15 | @verbatim |
bogdanm | 0:9b334a45a8ff | 16 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 17 | ##### FLASH peripheral features ##### |
bogdanm | 0:9b334a45a8ff | 18 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 19 | |
bogdanm | 0:9b334a45a8ff | 20 | [..] The Flash memory interface manages CPU AHB I-Code and D-Code accesses |
bogdanm | 0:9b334a45a8ff | 21 | to the Flash memory. It implements the erase and program Flash memory operations |
bogdanm | 0:9b334a45a8ff | 22 | and the read and write protection mechanisms. |
bogdanm | 0:9b334a45a8ff | 23 | |
bogdanm | 0:9b334a45a8ff | 24 | [..] The Flash memory interface accelerates code execution with a system of instruction |
bogdanm | 0:9b334a45a8ff | 25 | prefetch. |
bogdanm | 0:9b334a45a8ff | 26 | |
bogdanm | 0:9b334a45a8ff | 27 | [..] The FLASH main features are: |
bogdanm | 0:9b334a45a8ff | 28 | (+) Flash memory read operations |
bogdanm | 0:9b334a45a8ff | 29 | (+) Flash memory program/erase operations |
bogdanm | 0:9b334a45a8ff | 30 | (+) Read / write protections |
bogdanm | 0:9b334a45a8ff | 31 | (+) Prefetch on I-Code |
bogdanm | 0:9b334a45a8ff | 32 | |
bogdanm | 0:9b334a45a8ff | 33 | |
bogdanm | 0:9b334a45a8ff | 34 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 35 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 36 | [..] |
bogdanm | 0:9b334a45a8ff | 37 | This driver provides functions and macros to configure and program the FLASH |
bogdanm | 0:9b334a45a8ff | 38 | memory of all STM32F3xx devices. These functions are split in 3 groups: |
bogdanm | 0:9b334a45a8ff | 39 | |
bogdanm | 0:9b334a45a8ff | 40 | (#) FLASH Memory I/O Programming functions: this group includes all needed |
bogdanm | 0:9b334a45a8ff | 41 | functions to erase and program the main memory: |
bogdanm | 0:9b334a45a8ff | 42 | (++) Lock and Unlock the FLASH interface |
bogdanm | 0:9b334a45a8ff | 43 | (++) Erase function: Erase page, erase all pages |
bogdanm | 0:9b334a45a8ff | 44 | (++) Program functions: half word and word |
bogdanm | 0:9b334a45a8ff | 45 | |
bogdanm | 0:9b334a45a8ff | 46 | (#) Option Bytes Programming functions: this group includes all needed |
bogdanm | 0:9b334a45a8ff | 47 | functions to manage the Option Bytes: |
bogdanm | 0:9b334a45a8ff | 48 | (++) Lock and Unlock the Option Bytes |
bogdanm | 0:9b334a45a8ff | 49 | (++) Erase Option Bytes |
bogdanm | 0:9b334a45a8ff | 50 | (++) Set/Reset the write protection |
bogdanm | 0:9b334a45a8ff | 51 | (++) Set the Read protection Level |
bogdanm | 0:9b334a45a8ff | 52 | (++) Program the user Option Bytes |
bogdanm | 0:9b334a45a8ff | 53 | (++) Program the data Option Bytes |
bogdanm | 0:9b334a45a8ff | 54 | (++) Launch the Option Bytes loader |
bogdanm | 0:9b334a45a8ff | 55 | |
bogdanm | 0:9b334a45a8ff | 56 | (#) Interrupts and flags management functions : this group |
bogdanm | 0:9b334a45a8ff | 57 | includes all needed functions to: |
bogdanm | 0:9b334a45a8ff | 58 | (++) Handle FLASH interrupts |
bogdanm | 0:9b334a45a8ff | 59 | (++) Wait for last FLASH operation according to its status |
bogdanm | 0:9b334a45a8ff | 60 | (++) Get error flag status |
bogdanm | 0:9b334a45a8ff | 61 | |
bogdanm | 0:9b334a45a8ff | 62 | [..] In addition to these function, this driver includes a set of macros allowing |
bogdanm | 0:9b334a45a8ff | 63 | to handle the following operations: |
bogdanm | 0:9b334a45a8ff | 64 | |
bogdanm | 0:9b334a45a8ff | 65 | (+) Set the latency |
bogdanm | 0:9b334a45a8ff | 66 | (+) Enable/Disable the prefetch buffer |
bogdanm | 0:9b334a45a8ff | 67 | (+) Enable/Disable the half cycle access |
bogdanm | 0:9b334a45a8ff | 68 | (+) Enable/Disable the FLASH interrupts |
bogdanm | 0:9b334a45a8ff | 69 | (+) Monitor the FLASH flags status |
bogdanm | 0:9b334a45a8ff | 70 | |
bogdanm | 0:9b334a45a8ff | 71 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 72 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 73 | * @attention |
bogdanm | 0:9b334a45a8ff | 74 | * |
bogdanm | 0:9b334a45a8ff | 75 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 76 | * |
bogdanm | 0:9b334a45a8ff | 77 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 78 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 79 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 80 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 81 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 82 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 83 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 84 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 85 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 86 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 87 | * |
bogdanm | 0:9b334a45a8ff | 88 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 89 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 90 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 91 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 92 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 93 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 94 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 95 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 96 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 97 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 98 | * |
bogdanm | 0:9b334a45a8ff | 99 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 100 | */ |
bogdanm | 0:9b334a45a8ff | 101 | |
bogdanm | 0:9b334a45a8ff | 102 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 103 | #include "stm32f3xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 104 | |
bogdanm | 0:9b334a45a8ff | 105 | /** @addtogroup STM32F3xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 106 | * @{ |
bogdanm | 0:9b334a45a8ff | 107 | */ |
bogdanm | 0:9b334a45a8ff | 108 | |
bogdanm | 0:9b334a45a8ff | 109 | /** @defgroup FLASH FLASH HAL module driver |
bogdanm | 0:9b334a45a8ff | 110 | * @brief FLASH HAL module driver |
bogdanm | 0:9b334a45a8ff | 111 | * @{ |
bogdanm | 0:9b334a45a8ff | 112 | */ |
bogdanm | 0:9b334a45a8ff | 113 | |
bogdanm | 0:9b334a45a8ff | 114 | #ifdef HAL_FLASH_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 115 | |
bogdanm | 0:9b334a45a8ff | 116 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 117 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 118 | /** @defgroup FLASH_Private_Defines FLASH Private Define |
bogdanm | 0:9b334a45a8ff | 119 | * @{ |
bogdanm | 0:9b334a45a8ff | 120 | */ |
bogdanm | 0:9b334a45a8ff | 121 | #define HAL_FLASH_TIMEOUT_VALUE ((uint32_t)50000)/* 50 s */ |
bogdanm | 0:9b334a45a8ff | 122 | /** |
bogdanm | 0:9b334a45a8ff | 123 | * @} |
bogdanm | 0:9b334a45a8ff | 124 | */ |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 127 | /* Private variables ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 128 | /** @defgroup FLASH_Private_Variables FLASH Private Variables |
bogdanm | 0:9b334a45a8ff | 129 | * @{ |
bogdanm | 0:9b334a45a8ff | 130 | */ |
bogdanm | 0:9b334a45a8ff | 131 | /* Variables used for Erase pages under interruption*/ |
bogdanm | 0:9b334a45a8ff | 132 | FLASH_ProcessTypeDef pFlash; |
bogdanm | 0:9b334a45a8ff | 133 | /** |
bogdanm | 0:9b334a45a8ff | 134 | * @} |
bogdanm | 0:9b334a45a8ff | 135 | */ |
bogdanm | 0:9b334a45a8ff | 136 | |
bogdanm | 0:9b334a45a8ff | 137 | /* Private function prototypes -----------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 138 | /** @defgroup FLASH_Private_Functions FLASH Private Functions |
bogdanm | 0:9b334a45a8ff | 139 | * @{ |
bogdanm | 0:9b334a45a8ff | 140 | */ |
bogdanm | 0:9b334a45a8ff | 141 | /* Program operations */ |
bogdanm | 0:9b334a45a8ff | 142 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data); |
bogdanm | 0:9b334a45a8ff | 143 | static void FLASH_SetErrorCode(void); |
bogdanm | 0:9b334a45a8ff | 144 | /** |
bogdanm | 0:9b334a45a8ff | 145 | * @} |
bogdanm | 0:9b334a45a8ff | 146 | */ |
bogdanm | 0:9b334a45a8ff | 147 | |
bogdanm | 0:9b334a45a8ff | 148 | /* Exported functions ---------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 149 | /** @defgroup FLASH_Exported_Functions FLASH Exported Functions |
bogdanm | 0:9b334a45a8ff | 150 | * @{ |
bogdanm | 0:9b334a45a8ff | 151 | */ |
bogdanm | 0:9b334a45a8ff | 152 | |
bogdanm | 0:9b334a45a8ff | 153 | /** @defgroup FLASH_Exported_Functions_Group1 Input and Output operation functions |
bogdanm | 0:9b334a45a8ff | 154 | * @brief Data transfers functions |
bogdanm | 0:9b334a45a8ff | 155 | * |
bogdanm | 0:9b334a45a8ff | 156 | @verbatim |
bogdanm | 0:9b334a45a8ff | 157 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 158 | ##### IO operation functions ##### |
bogdanm | 0:9b334a45a8ff | 159 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 160 | [..] |
bogdanm | 0:9b334a45a8ff | 161 | This subsection provides a set of functions allowing to manage the FLASH |
bogdanm | 0:9b334a45a8ff | 162 | program operations (write/erase). |
bogdanm | 0:9b334a45a8ff | 163 | |
bogdanm | 0:9b334a45a8ff | 164 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 165 | * @{ |
bogdanm | 0:9b334a45a8ff | 166 | */ |
bogdanm | 0:9b334a45a8ff | 167 | |
bogdanm | 0:9b334a45a8ff | 168 | /** |
bogdanm | 0:9b334a45a8ff | 169 | * @brief Program halfword, word or double word at a specified address |
bogdanm | 0:9b334a45a8ff | 170 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
bogdanm | 0:9b334a45a8ff | 171 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
bogdanm | 0:9b334a45a8ff | 172 | * |
bogdanm | 0:9b334a45a8ff | 173 | * @note If an erase and a program operations are requested simultaneously, |
bogdanm | 0:9b334a45a8ff | 174 | * the erase operation is performed before the program one. |
bogdanm | 0:9b334a45a8ff | 175 | * |
bogdanm | 0:9b334a45a8ff | 176 | * @param TypeProgram: Indicate the way to program at a specified address. |
bogdanm | 0:9b334a45a8ff | 177 | * This parameter can be a value of @ref FLASH_Type_Program |
bogdanm | 0:9b334a45a8ff | 178 | * @param Address: Specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 179 | * @param Data: Specifies the data to be programmed |
bogdanm | 0:9b334a45a8ff | 180 | * |
bogdanm | 0:9b334a45a8ff | 181 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 182 | */ |
bogdanm | 0:9b334a45a8ff | 183 | HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
bogdanm | 0:9b334a45a8ff | 184 | { |
bogdanm | 0:9b334a45a8ff | 185 | HAL_StatusTypeDef status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 186 | uint8_t index = 0; |
bogdanm | 0:9b334a45a8ff | 187 | uint8_t nbiterations = 0; |
bogdanm | 0:9b334a45a8ff | 188 | |
bogdanm | 0:9b334a45a8ff | 189 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 190 | __HAL_LOCK(&pFlash); |
bogdanm | 0:9b334a45a8ff | 191 | |
bogdanm | 0:9b334a45a8ff | 192 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 193 | assert_param(IS_TYPEPROGRAM(TypeProgram)); |
bogdanm | 0:9b334a45a8ff | 194 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
bogdanm | 0:9b334a45a8ff | 195 | |
bogdanm | 0:9b334a45a8ff | 196 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 197 | status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); |
bogdanm | 0:9b334a45a8ff | 198 | |
bogdanm | 0:9b334a45a8ff | 199 | if(status == HAL_OK) |
bogdanm | 0:9b334a45a8ff | 200 | { |
bogdanm | 0:9b334a45a8ff | 201 | if(TypeProgram == TYPEPROGRAM_HALFWORD) |
bogdanm | 0:9b334a45a8ff | 202 | { |
bogdanm | 0:9b334a45a8ff | 203 | /* Program halfword (16-bit) at a specified address. */ |
bogdanm | 0:9b334a45a8ff | 204 | nbiterations = 1; |
bogdanm | 0:9b334a45a8ff | 205 | } |
bogdanm | 0:9b334a45a8ff | 206 | else if(TypeProgram == TYPEPROGRAM_WORD) |
bogdanm | 0:9b334a45a8ff | 207 | { |
bogdanm | 0:9b334a45a8ff | 208 | /* Program word (32-bit = 2*16-bit) at a specified address. */ |
bogdanm | 0:9b334a45a8ff | 209 | nbiterations = 2; |
bogdanm | 0:9b334a45a8ff | 210 | } |
bogdanm | 0:9b334a45a8ff | 211 | else |
bogdanm | 0:9b334a45a8ff | 212 | { |
bogdanm | 0:9b334a45a8ff | 213 | /* Program double word (64-bit = 4*16-bit) at a specified address. */ |
bogdanm | 0:9b334a45a8ff | 214 | nbiterations = 4; |
bogdanm | 0:9b334a45a8ff | 215 | } |
bogdanm | 0:9b334a45a8ff | 216 | |
bogdanm | 0:9b334a45a8ff | 217 | for (index = 0; index < nbiterations; index++) |
bogdanm | 0:9b334a45a8ff | 218 | { |
bogdanm | 0:9b334a45a8ff | 219 | FLASH_Program_HalfWord((Address + (2*index)), (uint16_t)(Data >> (16*index))); |
bogdanm | 0:9b334a45a8ff | 220 | |
bogdanm | 0:9b334a45a8ff | 221 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 222 | status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); |
bogdanm | 0:9b334a45a8ff | 223 | |
bogdanm | 0:9b334a45a8ff | 224 | /* Check FLASH End of Operation flag */ |
bogdanm | 0:9b334a45a8ff | 225 | if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
bogdanm | 0:9b334a45a8ff | 226 | { |
bogdanm | 0:9b334a45a8ff | 227 | /* Clear FLASH End of Operation pending bit */ |
bogdanm | 0:9b334a45a8ff | 228 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
bogdanm | 0:9b334a45a8ff | 229 | } |
bogdanm | 0:9b334a45a8ff | 230 | |
bogdanm | 0:9b334a45a8ff | 231 | /* If the program operation is completed, disable the PG Bit */ |
bogdanm | 0:9b334a45a8ff | 232 | CLEAR_BIT(FLASH->CR, FLASH_CR_PG); |
bogdanm | 0:9b334a45a8ff | 233 | } |
bogdanm | 0:9b334a45a8ff | 234 | } |
bogdanm | 0:9b334a45a8ff | 235 | |
bogdanm | 0:9b334a45a8ff | 236 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 237 | __HAL_UNLOCK(&pFlash); |
bogdanm | 0:9b334a45a8ff | 238 | |
bogdanm | 0:9b334a45a8ff | 239 | return status; |
bogdanm | 0:9b334a45a8ff | 240 | } |
bogdanm | 0:9b334a45a8ff | 241 | |
bogdanm | 0:9b334a45a8ff | 242 | /** |
bogdanm | 0:9b334a45a8ff | 243 | * @brief Program halfword, word or double word at a specified address with interrupt enabled. |
bogdanm | 0:9b334a45a8ff | 244 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
bogdanm | 0:9b334a45a8ff | 245 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
bogdanm | 0:9b334a45a8ff | 246 | * |
bogdanm | 0:9b334a45a8ff | 247 | * @note If an erase and a program operations are requested simultaneously, |
bogdanm | 0:9b334a45a8ff | 248 | * the erase operation is performed before the program one. |
bogdanm | 0:9b334a45a8ff | 249 | * |
bogdanm | 0:9b334a45a8ff | 250 | * @param TypeProgram: Indicate the way to program at a specified address. |
bogdanm | 0:9b334a45a8ff | 251 | * This parameter can be a value of @ref FLASH_Type_Program |
bogdanm | 0:9b334a45a8ff | 252 | * @param Address: Specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 253 | * @param Data: Specifies the data to be programmed |
bogdanm | 0:9b334a45a8ff | 254 | * |
bogdanm | 0:9b334a45a8ff | 255 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 256 | */ |
bogdanm | 0:9b334a45a8ff | 257 | HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
bogdanm | 0:9b334a45a8ff | 258 | { |
bogdanm | 0:9b334a45a8ff | 259 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 260 | |
bogdanm | 0:9b334a45a8ff | 261 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 262 | __HAL_LOCK(&pFlash); |
bogdanm | 0:9b334a45a8ff | 263 | |
bogdanm | 0:9b334a45a8ff | 264 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 265 | assert_param(IS_TYPEPROGRAM(TypeProgram)); |
bogdanm | 0:9b334a45a8ff | 266 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
bogdanm | 0:9b334a45a8ff | 267 | |
bogdanm | 0:9b334a45a8ff | 268 | /* Enable End of FLASH Operation and Error source interrupts */ |
bogdanm | 0:9b334a45a8ff | 269 | __HAL_FLASH_ENABLE_IT((FLASH_IT_EOP | FLASH_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 270 | |
bogdanm | 0:9b334a45a8ff | 271 | pFlash.Address = Address; |
bogdanm | 0:9b334a45a8ff | 272 | pFlash.Data = Data; |
bogdanm | 0:9b334a45a8ff | 273 | |
bogdanm | 0:9b334a45a8ff | 274 | if(TypeProgram == TYPEPROGRAM_HALFWORD) |
bogdanm | 0:9b334a45a8ff | 275 | { |
bogdanm | 0:9b334a45a8ff | 276 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMHALFWORD; |
bogdanm | 0:9b334a45a8ff | 277 | /*Program halfword (16-bit) at a specified address.*/ |
bogdanm | 0:9b334a45a8ff | 278 | pFlash.DataRemaining = 1; |
bogdanm | 0:9b334a45a8ff | 279 | } |
bogdanm | 0:9b334a45a8ff | 280 | else if(TypeProgram == TYPEPROGRAM_WORD) |
bogdanm | 0:9b334a45a8ff | 281 | { |
bogdanm | 0:9b334a45a8ff | 282 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMWORD; |
bogdanm | 0:9b334a45a8ff | 283 | /*Program word (32-bit : 2*16-bit) at a specified address.*/ |
bogdanm | 0:9b334a45a8ff | 284 | pFlash.DataRemaining = 2; |
bogdanm | 0:9b334a45a8ff | 285 | } |
bogdanm | 0:9b334a45a8ff | 286 | else |
bogdanm | 0:9b334a45a8ff | 287 | { |
bogdanm | 0:9b334a45a8ff | 288 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMDOUBLEWORD; |
bogdanm | 0:9b334a45a8ff | 289 | /*Program double word (64-bit : 4*16-bit) at a specified address.*/ |
bogdanm | 0:9b334a45a8ff | 290 | pFlash.DataRemaining = 4; |
bogdanm | 0:9b334a45a8ff | 291 | } |
bogdanm | 0:9b334a45a8ff | 292 | |
bogdanm | 0:9b334a45a8ff | 293 | /*Program halfword (16-bit) at a specified address.*/ |
bogdanm | 0:9b334a45a8ff | 294 | FLASH_Program_HalfWord(Address, (uint16_t)Data); |
bogdanm | 0:9b334a45a8ff | 295 | |
bogdanm | 0:9b334a45a8ff | 296 | return status; |
bogdanm | 0:9b334a45a8ff | 297 | } |
bogdanm | 0:9b334a45a8ff | 298 | |
bogdanm | 0:9b334a45a8ff | 299 | /** |
bogdanm | 0:9b334a45a8ff | 300 | * @brief This function handles FLASH interrupt request. |
bogdanm | 0:9b334a45a8ff | 301 | * @retval None |
bogdanm | 0:9b334a45a8ff | 302 | */ |
bogdanm | 0:9b334a45a8ff | 303 | void HAL_FLASH_IRQHandler(void) |
bogdanm | 0:9b334a45a8ff | 304 | { |
bogdanm | 0:9b334a45a8ff | 305 | uint32_t addresstmp; |
bogdanm | 0:9b334a45a8ff | 306 | /* If the operation is completed, disable the PG, PER and MER Bits */ |
bogdanm | 0:9b334a45a8ff | 307 | CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER)); |
bogdanm | 0:9b334a45a8ff | 308 | |
bogdanm | 0:9b334a45a8ff | 309 | /* Check FLASH End of Operation flag */ |
bogdanm | 0:9b334a45a8ff | 310 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
bogdanm | 0:9b334a45a8ff | 311 | { |
bogdanm | 0:9b334a45a8ff | 312 | /* Clear FLASH End of Operation pending bit */ |
bogdanm | 0:9b334a45a8ff | 313 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
bogdanm | 0:9b334a45a8ff | 314 | |
bogdanm | 0:9b334a45a8ff | 315 | if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) |
bogdanm | 0:9b334a45a8ff | 316 | { |
bogdanm | 0:9b334a45a8ff | 317 | /* Nb of pages to erased can be decreased */ |
bogdanm | 0:9b334a45a8ff | 318 | pFlash.DataRemaining--; |
bogdanm | 0:9b334a45a8ff | 319 | |
bogdanm | 0:9b334a45a8ff | 320 | /* Indicate user which page address has been erased*/ |
bogdanm | 0:9b334a45a8ff | 321 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
bogdanm | 0:9b334a45a8ff | 322 | |
bogdanm | 0:9b334a45a8ff | 323 | /* Check if there are still pages to erase*/ |
bogdanm | 0:9b334a45a8ff | 324 | if(pFlash.DataRemaining != 0) |
bogdanm | 0:9b334a45a8ff | 325 | { |
bogdanm | 0:9b334a45a8ff | 326 | /* Increment page address to next page */ |
bogdanm | 0:9b334a45a8ff | 327 | pFlash.Address += FLASH_PAGE_SIZE; |
bogdanm | 0:9b334a45a8ff | 328 | addresstmp = pFlash.Address; |
bogdanm | 0:9b334a45a8ff | 329 | FLASH_PageErase(addresstmp); |
bogdanm | 0:9b334a45a8ff | 330 | } |
bogdanm | 0:9b334a45a8ff | 331 | else |
bogdanm | 0:9b334a45a8ff | 332 | { |
bogdanm | 0:9b334a45a8ff | 333 | /*No more pages to Erase*/ |
bogdanm | 0:9b334a45a8ff | 334 | |
bogdanm | 0:9b334a45a8ff | 335 | /*Reset Address and stop Erase pages procedure*/ |
bogdanm | 0:9b334a45a8ff | 336 | pFlash.Address = 0xFFFFFFFF; |
bogdanm | 0:9b334a45a8ff | 337 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 338 | } |
bogdanm | 0:9b334a45a8ff | 339 | } |
bogdanm | 0:9b334a45a8ff | 340 | else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE) |
bogdanm | 0:9b334a45a8ff | 341 | { |
bogdanm | 0:9b334a45a8ff | 342 | /*MassErase ended. Return the selected bank*/ |
bogdanm | 0:9b334a45a8ff | 343 | /* FLASH EOP interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 344 | HAL_FLASH_EndOfOperationCallback(0); |
bogdanm | 0:9b334a45a8ff | 345 | |
bogdanm | 0:9b334a45a8ff | 346 | /* Stop Mass Erase procedure*/ |
bogdanm | 0:9b334a45a8ff | 347 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 348 | } |
bogdanm | 0:9b334a45a8ff | 349 | else |
bogdanm | 0:9b334a45a8ff | 350 | { |
bogdanm | 0:9b334a45a8ff | 351 | /* Nb of 16-bit data to program can be decreased */ |
bogdanm | 0:9b334a45a8ff | 352 | pFlash.DataRemaining--; |
bogdanm | 0:9b334a45a8ff | 353 | |
bogdanm | 0:9b334a45a8ff | 354 | /* Check if there are still 16-bit data to program */ |
bogdanm | 0:9b334a45a8ff | 355 | if(pFlash.DataRemaining != 0) |
bogdanm | 0:9b334a45a8ff | 356 | { |
bogdanm | 0:9b334a45a8ff | 357 | /* Increment address to 16-bit */ |
bogdanm | 0:9b334a45a8ff | 358 | pFlash.Address += 2; |
bogdanm | 0:9b334a45a8ff | 359 | addresstmp = pFlash.Address; |
bogdanm | 0:9b334a45a8ff | 360 | |
bogdanm | 0:9b334a45a8ff | 361 | /* Shift to have next 16-bit data */ |
bogdanm | 0:9b334a45a8ff | 362 | pFlash.Data = (pFlash.Data >> 16); |
bogdanm | 0:9b334a45a8ff | 363 | |
bogdanm | 0:9b334a45a8ff | 364 | /*Program halfword (16-bit) at a specified address.*/ |
bogdanm | 0:9b334a45a8ff | 365 | FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data); |
bogdanm | 0:9b334a45a8ff | 366 | } |
bogdanm | 0:9b334a45a8ff | 367 | else |
bogdanm | 0:9b334a45a8ff | 368 | { |
bogdanm | 0:9b334a45a8ff | 369 | /*Program ended. Return the selected address*/ |
bogdanm | 0:9b334a45a8ff | 370 | /* FLASH EOP interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 371 | if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD) |
bogdanm | 0:9b334a45a8ff | 372 | { |
bogdanm | 0:9b334a45a8ff | 373 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
bogdanm | 0:9b334a45a8ff | 374 | } |
bogdanm | 0:9b334a45a8ff | 375 | else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD) |
bogdanm | 0:9b334a45a8ff | 376 | { |
bogdanm | 0:9b334a45a8ff | 377 | HAL_FLASH_EndOfOperationCallback(pFlash.Address-2); |
bogdanm | 0:9b334a45a8ff | 378 | } |
bogdanm | 0:9b334a45a8ff | 379 | else |
bogdanm | 0:9b334a45a8ff | 380 | { |
bogdanm | 0:9b334a45a8ff | 381 | HAL_FLASH_EndOfOperationCallback(pFlash.Address-6); |
bogdanm | 0:9b334a45a8ff | 382 | } |
bogdanm | 0:9b334a45a8ff | 383 | |
bogdanm | 0:9b334a45a8ff | 384 | /* Reset Address and stop Program procedure*/ |
bogdanm | 0:9b334a45a8ff | 385 | pFlash.Address = 0xFFFFFFFF; |
bogdanm | 0:9b334a45a8ff | 386 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 387 | } |
bogdanm | 0:9b334a45a8ff | 388 | } |
bogdanm | 0:9b334a45a8ff | 389 | } |
bogdanm | 0:9b334a45a8ff | 390 | |
bogdanm | 0:9b334a45a8ff | 391 | /* Check FLASH operation error flags */ |
bogdanm | 0:9b334a45a8ff | 392 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR)) |
bogdanm | 0:9b334a45a8ff | 393 | { |
bogdanm | 0:9b334a45a8ff | 394 | /*Save the Error code*/ |
bogdanm | 0:9b334a45a8ff | 395 | FLASH_SetErrorCode(); |
bogdanm | 0:9b334a45a8ff | 396 | |
bogdanm | 0:9b334a45a8ff | 397 | /* FLASH error interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 398 | HAL_FLASH_OperationErrorCallback(pFlash.Address); |
bogdanm | 0:9b334a45a8ff | 399 | |
bogdanm | 0:9b334a45a8ff | 400 | /* Clear FLASH error pending bits */ |
bogdanm | 0:9b334a45a8ff | 401 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); |
bogdanm | 0:9b334a45a8ff | 402 | |
bogdanm | 0:9b334a45a8ff | 403 | /* Reset address and stop the procedure ongoing*/ |
bogdanm | 0:9b334a45a8ff | 404 | pFlash.Address = 0xFFFFFFFF; |
bogdanm | 0:9b334a45a8ff | 405 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 406 | } |
bogdanm | 0:9b334a45a8ff | 407 | |
bogdanm | 0:9b334a45a8ff | 408 | if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE) |
bogdanm | 0:9b334a45a8ff | 409 | { |
bogdanm | 0:9b334a45a8ff | 410 | /* Disable End of FLASH Operation and Error source interrupts */ |
bogdanm | 0:9b334a45a8ff | 411 | __HAL_FLASH_DISABLE_IT((FLASH_IT_EOP | FLASH_IT_ERR)); |
bogdanm | 0:9b334a45a8ff | 412 | |
bogdanm | 0:9b334a45a8ff | 413 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 414 | __HAL_UNLOCK(&pFlash); |
bogdanm | 0:9b334a45a8ff | 415 | } |
bogdanm | 0:9b334a45a8ff | 416 | } |
bogdanm | 0:9b334a45a8ff | 417 | |
bogdanm | 0:9b334a45a8ff | 418 | |
bogdanm | 0:9b334a45a8ff | 419 | /** |
bogdanm | 0:9b334a45a8ff | 420 | * @brief FLASH end of operation interrupt callback |
bogdanm | 0:9b334a45a8ff | 421 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
bogdanm | 0:9b334a45a8ff | 422 | * - Mass Erase: No return value expected |
bogdanm | 0:9b334a45a8ff | 423 | * - Pages Erase: Address of the page which has been erased |
bogdanm | 0:9b334a45a8ff | 424 | * - Program: Address which was selected for data program |
bogdanm | 0:9b334a45a8ff | 425 | * @retval none |
bogdanm | 0:9b334a45a8ff | 426 | */ |
bogdanm | 0:9b334a45a8ff | 427 | __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue) |
bogdanm | 0:9b334a45a8ff | 428 | { |
bogdanm | 0:9b334a45a8ff | 429 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 430 | the HAL_FLASH_EndOfOperationCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 431 | */ |
bogdanm | 0:9b334a45a8ff | 432 | } |
bogdanm | 0:9b334a45a8ff | 433 | |
bogdanm | 0:9b334a45a8ff | 434 | /** |
bogdanm | 0:9b334a45a8ff | 435 | * @brief FLASH operation error interrupt callback |
bogdanm | 0:9b334a45a8ff | 436 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
bogdanm | 0:9b334a45a8ff | 437 | * - Mass Erase: No return value expected |
bogdanm | 0:9b334a45a8ff | 438 | * - Pages Erase: Address of the page which returned an error |
bogdanm | 0:9b334a45a8ff | 439 | * - Program: Address which was selected for data program |
bogdanm | 0:9b334a45a8ff | 440 | * @retval none |
bogdanm | 0:9b334a45a8ff | 441 | */ |
bogdanm | 0:9b334a45a8ff | 442 | __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue) |
bogdanm | 0:9b334a45a8ff | 443 | { |
bogdanm | 0:9b334a45a8ff | 444 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 445 | the HAL_FLASH_OperationErrorCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 446 | */ |
bogdanm | 0:9b334a45a8ff | 447 | } |
bogdanm | 0:9b334a45a8ff | 448 | |
bogdanm | 0:9b334a45a8ff | 449 | /** |
bogdanm | 0:9b334a45a8ff | 450 | * @} |
bogdanm | 0:9b334a45a8ff | 451 | */ |
bogdanm | 0:9b334a45a8ff | 452 | |
bogdanm | 0:9b334a45a8ff | 453 | /** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions |
bogdanm | 0:9b334a45a8ff | 454 | * @brief management functions |
bogdanm | 0:9b334a45a8ff | 455 | * |
bogdanm | 0:9b334a45a8ff | 456 | @verbatim |
bogdanm | 0:9b334a45a8ff | 457 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 458 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 459 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 460 | [..] |
bogdanm | 0:9b334a45a8ff | 461 | This subsection provides a set of functions allowing to control the FLASH |
bogdanm | 0:9b334a45a8ff | 462 | memory operations. |
bogdanm | 0:9b334a45a8ff | 463 | |
bogdanm | 0:9b334a45a8ff | 464 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 465 | * @{ |
bogdanm | 0:9b334a45a8ff | 466 | */ |
bogdanm | 0:9b334a45a8ff | 467 | |
bogdanm | 0:9b334a45a8ff | 468 | /** |
bogdanm | 0:9b334a45a8ff | 469 | * @brief Unlock the FLASH control register access |
bogdanm | 0:9b334a45a8ff | 470 | * @retval HAL Status |
bogdanm | 0:9b334a45a8ff | 471 | */ |
bogdanm | 0:9b334a45a8ff | 472 | HAL_StatusTypeDef HAL_FLASH_Unlock(void) |
bogdanm | 0:9b334a45a8ff | 473 | { |
bogdanm | 0:9b334a45a8ff | 474 | if((READ_BIT(FLASH->CR, FLASH_CR_LOCK)) != RESET) |
bogdanm | 0:9b334a45a8ff | 475 | { |
bogdanm | 0:9b334a45a8ff | 476 | /* Authorize the FLASH Registers access */ |
bogdanm | 0:9b334a45a8ff | 477 | WRITE_REG(FLASH->KEYR, FLASH_KEY1); |
bogdanm | 0:9b334a45a8ff | 478 | WRITE_REG(FLASH->KEYR, FLASH_KEY2); |
bogdanm | 0:9b334a45a8ff | 479 | } |
bogdanm | 0:9b334a45a8ff | 480 | else |
bogdanm | 0:9b334a45a8ff | 481 | { |
bogdanm | 0:9b334a45a8ff | 482 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 483 | } |
bogdanm | 0:9b334a45a8ff | 484 | |
bogdanm | 0:9b334a45a8ff | 485 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 486 | } |
bogdanm | 0:9b334a45a8ff | 487 | |
bogdanm | 0:9b334a45a8ff | 488 | /** |
bogdanm | 0:9b334a45a8ff | 489 | * @brief Locks the FLASH control register access |
bogdanm | 0:9b334a45a8ff | 490 | * @retval HAL Status |
bogdanm | 0:9b334a45a8ff | 491 | */ |
bogdanm | 0:9b334a45a8ff | 492 | HAL_StatusTypeDef HAL_FLASH_Lock(void) |
bogdanm | 0:9b334a45a8ff | 493 | { |
bogdanm | 0:9b334a45a8ff | 494 | /* Set the LOCK Bit to lock the FLASH Registers access */ |
bogdanm | 0:9b334a45a8ff | 495 | SET_BIT(FLASH->CR, FLASH_CR_LOCK); |
bogdanm | 0:9b334a45a8ff | 496 | |
bogdanm | 0:9b334a45a8ff | 497 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 498 | } |
bogdanm | 0:9b334a45a8ff | 499 | |
bogdanm | 0:9b334a45a8ff | 500 | |
bogdanm | 0:9b334a45a8ff | 501 | /** |
bogdanm | 0:9b334a45a8ff | 502 | * @brief Unlock the FLASH Option Control Registers access. |
bogdanm | 0:9b334a45a8ff | 503 | * @retval HAL Status |
bogdanm | 0:9b334a45a8ff | 504 | */ |
bogdanm | 0:9b334a45a8ff | 505 | HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) |
bogdanm | 0:9b334a45a8ff | 506 | { |
bogdanm | 0:9b334a45a8ff | 507 | if((READ_BIT(FLASH->CR, FLASH_CR_OPTWRE)) == RESET) |
bogdanm | 0:9b334a45a8ff | 508 | { |
bogdanm | 0:9b334a45a8ff | 509 | /* Authorizes the Option Byte register programming */ |
bogdanm | 0:9b334a45a8ff | 510 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY1); |
bogdanm | 0:9b334a45a8ff | 511 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY2); |
bogdanm | 0:9b334a45a8ff | 512 | } |
bogdanm | 0:9b334a45a8ff | 513 | else |
bogdanm | 0:9b334a45a8ff | 514 | { |
bogdanm | 0:9b334a45a8ff | 515 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 516 | } |
bogdanm | 0:9b334a45a8ff | 517 | |
bogdanm | 0:9b334a45a8ff | 518 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 519 | } |
bogdanm | 0:9b334a45a8ff | 520 | |
bogdanm | 0:9b334a45a8ff | 521 | /** |
bogdanm | 0:9b334a45a8ff | 522 | * @brief Lock the FLASH Option Control Registers access. |
bogdanm | 0:9b334a45a8ff | 523 | * @retval HAL Status |
bogdanm | 0:9b334a45a8ff | 524 | */ |
bogdanm | 0:9b334a45a8ff | 525 | HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) |
bogdanm | 0:9b334a45a8ff | 526 | { |
bogdanm | 0:9b334a45a8ff | 527 | /* Clear the OPTWRE Bit to lock the FLASH Option Byte Registers access */ |
bogdanm | 0:9b334a45a8ff | 528 | CLEAR_BIT(FLASH->CR, FLASH_CR_OPTWRE); |
bogdanm | 0:9b334a45a8ff | 529 | |
bogdanm | 0:9b334a45a8ff | 530 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 531 | } |
bogdanm | 0:9b334a45a8ff | 532 | |
bogdanm | 0:9b334a45a8ff | 533 | /** |
bogdanm | 0:9b334a45a8ff | 534 | * @brief Launch the option byte loading. |
bogdanm | 0:9b334a45a8ff | 535 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 536 | */ |
bogdanm | 0:9b334a45a8ff | 537 | HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) |
bogdanm | 0:9b334a45a8ff | 538 | { |
bogdanm | 0:9b334a45a8ff | 539 | /* Set the bit to force the option byte reloading */ |
bogdanm | 0:9b334a45a8ff | 540 | SET_BIT(FLASH->CR, FLASH_CR_OBL_LAUNCH); |
bogdanm | 0:9b334a45a8ff | 541 | |
bogdanm | 0:9b334a45a8ff | 542 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 543 | return(FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE)); |
bogdanm | 0:9b334a45a8ff | 544 | } |
bogdanm | 0:9b334a45a8ff | 545 | |
bogdanm | 0:9b334a45a8ff | 546 | /** |
bogdanm | 0:9b334a45a8ff | 547 | * @} |
bogdanm | 0:9b334a45a8ff | 548 | */ |
bogdanm | 0:9b334a45a8ff | 549 | |
bogdanm | 0:9b334a45a8ff | 550 | |
bogdanm | 0:9b334a45a8ff | 551 | /** @defgroup FLASH_Exported_Functions_Group3 Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 552 | * @brief Peripheral State functions |
bogdanm | 0:9b334a45a8ff | 553 | * |
bogdanm | 0:9b334a45a8ff | 554 | @verbatim |
bogdanm | 0:9b334a45a8ff | 555 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 556 | ##### Peripheral State functions ##### |
bogdanm | 0:9b334a45a8ff | 557 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 558 | [..] |
bogdanm | 0:9b334a45a8ff | 559 | This subsection permit to get in run-time the status of the FLASH peripheral. |
bogdanm | 0:9b334a45a8ff | 560 | |
bogdanm | 0:9b334a45a8ff | 561 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 562 | * @{ |
bogdanm | 0:9b334a45a8ff | 563 | */ |
bogdanm | 0:9b334a45a8ff | 564 | |
bogdanm | 0:9b334a45a8ff | 565 | /** |
bogdanm | 0:9b334a45a8ff | 566 | * @brief Get the specific FLASH error flag. |
bogdanm | 0:9b334a45a8ff | 567 | * @retval FLASH_ErrorCode: The returned value can be: |
bogdanm | 0:9b334a45a8ff | 568 | * @arg FLASH_ERROR_PG: FLASH Programming error flag |
bogdanm | 0:9b334a45a8ff | 569 | * @arg FLASH_ERROR_WRP: FLASH Write protected error flag |
bogdanm | 0:9b334a45a8ff | 570 | */ |
bogdanm | 0:9b334a45a8ff | 571 | FLASH_ErrorTypeDef HAL_FLASH_GetError(void) |
bogdanm | 0:9b334a45a8ff | 572 | { |
bogdanm | 0:9b334a45a8ff | 573 | return pFlash.ErrorCode; |
bogdanm | 0:9b334a45a8ff | 574 | } |
bogdanm | 0:9b334a45a8ff | 575 | |
bogdanm | 0:9b334a45a8ff | 576 | /** |
bogdanm | 0:9b334a45a8ff | 577 | * @} |
bogdanm | 0:9b334a45a8ff | 578 | */ |
bogdanm | 0:9b334a45a8ff | 579 | |
bogdanm | 0:9b334a45a8ff | 580 | /** |
bogdanm | 0:9b334a45a8ff | 581 | * @} |
bogdanm | 0:9b334a45a8ff | 582 | */ |
bogdanm | 0:9b334a45a8ff | 583 | |
bogdanm | 0:9b334a45a8ff | 584 | /** @addtogroup FLASH_Private_Functions FLASH Private Functions |
bogdanm | 0:9b334a45a8ff | 585 | * @{ |
bogdanm | 0:9b334a45a8ff | 586 | */ |
bogdanm | 0:9b334a45a8ff | 587 | /** |
bogdanm | 0:9b334a45a8ff | 588 | * @brief Program a half-word (16-bit) at a specified address. |
bogdanm | 0:9b334a45a8ff | 589 | * @param Address: specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 590 | * @param Data: specifies the data to be programmed. |
bogdanm | 0:9b334a45a8ff | 591 | * @retval None |
bogdanm | 0:9b334a45a8ff | 592 | */ |
bogdanm | 0:9b334a45a8ff | 593 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data) |
bogdanm | 0:9b334a45a8ff | 594 | { |
bogdanm | 0:9b334a45a8ff | 595 | /* Clear pending flags (if any) */ |
bogdanm | 0:9b334a45a8ff | 596 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); |
bogdanm | 0:9b334a45a8ff | 597 | |
bogdanm | 0:9b334a45a8ff | 598 | /* Proceed to program the new data */ |
bogdanm | 0:9b334a45a8ff | 599 | SET_BIT(FLASH->CR, FLASH_CR_PG); |
bogdanm | 0:9b334a45a8ff | 600 | |
bogdanm | 0:9b334a45a8ff | 601 | *(__IO uint16_t*)Address = Data; |
bogdanm | 0:9b334a45a8ff | 602 | } |
bogdanm | 0:9b334a45a8ff | 603 | |
bogdanm | 0:9b334a45a8ff | 604 | /** |
bogdanm | 0:9b334a45a8ff | 605 | * @brief Wait for a FLASH operation to complete. |
bogdanm | 0:9b334a45a8ff | 606 | * @param Timeout: maximum flash operationtimeout |
bogdanm | 0:9b334a45a8ff | 607 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 608 | */ |
bogdanm | 0:9b334a45a8ff | 609 | HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 610 | { |
bogdanm | 0:9b334a45a8ff | 611 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
bogdanm | 0:9b334a45a8ff | 612 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
bogdanm | 0:9b334a45a8ff | 613 | flag will be set */ |
bogdanm | 0:9b334a45a8ff | 614 | |
bogdanm | 0:9b334a45a8ff | 615 | uint32_t tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 616 | |
bogdanm | 0:9b334a45a8ff | 617 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY)) |
bogdanm | 0:9b334a45a8ff | 618 | { |
bogdanm | 0:9b334a45a8ff | 619 | if (Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 620 | { |
bogdanm | 0:9b334a45a8ff | 621 | if((Timeout == 0) || ((HAL_GetTick()-tickstart) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 622 | { |
bogdanm | 0:9b334a45a8ff | 623 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 624 | } |
bogdanm | 0:9b334a45a8ff | 625 | } |
bogdanm | 0:9b334a45a8ff | 626 | } |
bogdanm | 0:9b334a45a8ff | 627 | |
bogdanm | 0:9b334a45a8ff | 628 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
bogdanm | 0:9b334a45a8ff | 629 | { |
bogdanm | 0:9b334a45a8ff | 630 | /*Save the error code*/ |
bogdanm | 0:9b334a45a8ff | 631 | FLASH_SetErrorCode(); |
bogdanm | 0:9b334a45a8ff | 632 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 633 | } |
bogdanm | 0:9b334a45a8ff | 634 | |
bogdanm | 0:9b334a45a8ff | 635 | /* If there is an error flag set */ |
bogdanm | 0:9b334a45a8ff | 636 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 637 | |
bogdanm | 0:9b334a45a8ff | 638 | } |
bogdanm | 0:9b334a45a8ff | 639 | |
bogdanm | 0:9b334a45a8ff | 640 | /** |
bogdanm | 0:9b334a45a8ff | 641 | * @brief Erase the specified FLASH memory page |
bogdanm | 0:9b334a45a8ff | 642 | * @param PageAddress: FLASH page to erase |
bogdanm | 0:9b334a45a8ff | 643 | * The value of this parameter depend on device used within the same series |
bogdanm | 0:9b334a45a8ff | 644 | * |
bogdanm | 0:9b334a45a8ff | 645 | * @retval None |
bogdanm | 0:9b334a45a8ff | 646 | */ |
bogdanm | 0:9b334a45a8ff | 647 | void FLASH_PageErase(uint32_t PageAddress) |
bogdanm | 0:9b334a45a8ff | 648 | { |
bogdanm | 0:9b334a45a8ff | 649 | /* Clear pending flags (if any) */ |
bogdanm | 0:9b334a45a8ff | 650 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP | FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); |
bogdanm | 0:9b334a45a8ff | 651 | |
bogdanm | 0:9b334a45a8ff | 652 | /* Proceed to erase the page */ |
bogdanm | 0:9b334a45a8ff | 653 | SET_BIT(FLASH->CR, FLASH_CR_PER); |
bogdanm | 0:9b334a45a8ff | 654 | WRITE_REG(FLASH->AR, PageAddress); |
bogdanm | 0:9b334a45a8ff | 655 | SET_BIT(FLASH->CR, FLASH_CR_STRT); |
bogdanm | 0:9b334a45a8ff | 656 | } |
bogdanm | 0:9b334a45a8ff | 657 | |
bogdanm | 0:9b334a45a8ff | 658 | /** |
bogdanm | 0:9b334a45a8ff | 659 | * @brief Set the specific FLASH error flag. |
bogdanm | 0:9b334a45a8ff | 660 | * @retval None |
bogdanm | 0:9b334a45a8ff | 661 | */ |
bogdanm | 0:9b334a45a8ff | 662 | static void FLASH_SetErrorCode(void) |
bogdanm | 0:9b334a45a8ff | 663 | { |
bogdanm | 0:9b334a45a8ff | 664 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
bogdanm | 0:9b334a45a8ff | 665 | { |
bogdanm | 0:9b334a45a8ff | 666 | pFlash.ErrorCode = FLASH_ERROR_WRP; |
bogdanm | 0:9b334a45a8ff | 667 | } |
bogdanm | 0:9b334a45a8ff | 668 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
bogdanm | 0:9b334a45a8ff | 669 | { |
bogdanm | 0:9b334a45a8ff | 670 | pFlash.ErrorCode |= FLASH_ERROR_PG; |
bogdanm | 0:9b334a45a8ff | 671 | } |
bogdanm | 0:9b334a45a8ff | 672 | } |
bogdanm | 0:9b334a45a8ff | 673 | |
bogdanm | 0:9b334a45a8ff | 674 | /** |
bogdanm | 0:9b334a45a8ff | 675 | * @} |
bogdanm | 0:9b334a45a8ff | 676 | */ |
bogdanm | 0:9b334a45a8ff | 677 | |
bogdanm | 0:9b334a45a8ff | 678 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 679 | |
bogdanm | 0:9b334a45a8ff | 680 | /** |
bogdanm | 0:9b334a45a8ff | 681 | * @} |
bogdanm | 0:9b334a45a8ff | 682 | */ |
bogdanm | 0:9b334a45a8ff | 683 | |
bogdanm | 0:9b334a45a8ff | 684 | /** |
bogdanm | 0:9b334a45a8ff | 685 | * @} |
bogdanm | 0:9b334a45a8ff | 686 | */ |
bogdanm | 0:9b334a45a8ff | 687 | |
bogdanm | 0:9b334a45a8ff | 688 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |