mbed library sources
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_STM32F0/stm32f0xx_hal_flash.c@441:d2c15dda23c1, 2015-01-06 (annotated)
- Committer:
- mbed_official
- Date:
- Tue Jan 06 16:15:36 2015 +0000
- Revision:
- 441:d2c15dda23c1
- Parent:
- 392:2b59412bb664
Synchronized with git revision 245a60b29caabb42eabdd19658eeac7c3f68313b
Full URL: https://github.com/mbedmicro/mbed/commit/245a60b29caabb42eabdd19658eeac7c3f68313b/
NUCLEO_F072RB/F091RC - adding target to rtos lib and exporter for coide and gcc_arm
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 | 441:d2c15dda23c1 | 5 | * @version V1.2.0 |
mbed_official | 441:d2c15dda23c1 | 6 | * @date 11-December-2014 |
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 | 441:d2c15dda23c1 | 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 | 340:28d1f895c6fe | 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 | 340:28d1f895c6fe | 31 | |
mbed_official | 340:28d1f895c6fe | 32 | ##### How to use this driver ##### |
mbed_official | 340:28d1f895c6fe | 33 | ============================================================================== |
mbed_official | 340:28d1f895c6fe | 34 | [..] |
mbed_official | 340:28d1f895c6fe | 35 | This driver provides functions and macros to configure and program the FLASH |
mbed_official | 340:28d1f895c6fe | 36 | memory of all STM32F0xx devices. These functions are split in 3 groups: |
mbed_official | 340:28d1f895c6fe | 37 | |
mbed_official | 340:28d1f895c6fe | 38 | (#) FLASH Memory I/O Programming functions: this group includes all needed |
mbed_official | 340:28d1f895c6fe | 39 | functions to erase and program the main memory: |
mbed_official | 340:28d1f895c6fe | 40 | (++) Lock and Unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 41 | (++) Erase function: Erase page, erase all pages |
mbed_official | 441:d2c15dda23c1 | 42 | (++) Program functions: half word, word and doubleword |
mbed_official | 340:28d1f895c6fe | 43 | |
mbed_official | 340:28d1f895c6fe | 44 | (#) Option Bytes Programming functions: this group includes all needed |
mbed_official | 340:28d1f895c6fe | 45 | functions to manage the Option Bytes: |
mbed_official | 340:28d1f895c6fe | 46 | (++) Lock and Unlock the Option Bytes |
mbed_official | 340:28d1f895c6fe | 47 | (++) Erase 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 | 340:28d1f895c6fe | 51 | (++) Program the data Option Bytes |
mbed_official | 340:28d1f895c6fe | 52 | (++) Launch the Option Bytes loader |
mbed_official | 340:28d1f895c6fe | 53 | |
mbed_official | 340:28d1f895c6fe | 54 | (#) Interrupts and flags management functions : this group |
mbed_official | 340:28d1f895c6fe | 55 | includes all needed functions to: |
mbed_official | 340:28d1f895c6fe | 56 | (++) Handle FLASH interrupts |
mbed_official | 340:28d1f895c6fe | 57 | (++) Wait for last FLASH operation according to its status |
mbed_official | 340:28d1f895c6fe | 58 | (++) Get error flag status |
mbed_official | 340:28d1f895c6fe | 59 | |
mbed_official | 340:28d1f895c6fe | 60 | [..] In addition to these function, this driver includes a set of macros allowing |
mbed_official | 340:28d1f895c6fe | 61 | to handle the following operations: |
mbed_official | 340:28d1f895c6fe | 62 | |
mbed_official | 340:28d1f895c6fe | 63 | (+) Set the latency |
mbed_official | 340:28d1f895c6fe | 64 | (+) Enable/Disable the prefetch buffer |
mbed_official | 340:28d1f895c6fe | 65 | (+) Enable/Disable the FLASH interrupts |
mbed_official | 340:28d1f895c6fe | 66 | (+) Monitor the FLASH flags status |
mbed_official | 340:28d1f895c6fe | 67 | |
mbed_official | 340:28d1f895c6fe | 68 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 69 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 70 | * @attention |
mbed_official | 340:28d1f895c6fe | 71 | * |
mbed_official | 340:28d1f895c6fe | 72 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 340:28d1f895c6fe | 73 | * |
mbed_official | 340:28d1f895c6fe | 74 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 340:28d1f895c6fe | 75 | * are permitted provided that the following conditions are met: |
mbed_official | 340:28d1f895c6fe | 76 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 77 | * this list of conditions and the following disclaimer. |
mbed_official | 340:28d1f895c6fe | 78 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 340:28d1f895c6fe | 79 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 340:28d1f895c6fe | 80 | * and/or other materials provided with the distribution. |
mbed_official | 340:28d1f895c6fe | 81 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 340:28d1f895c6fe | 82 | * may be used to endorse or promote products derived from this software |
mbed_official | 340:28d1f895c6fe | 83 | * without specific prior written permission. |
mbed_official | 340:28d1f895c6fe | 84 | * |
mbed_official | 340:28d1f895c6fe | 85 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 340:28d1f895c6fe | 86 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 340:28d1f895c6fe | 87 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 340:28d1f895c6fe | 88 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 340:28d1f895c6fe | 89 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 340:28d1f895c6fe | 90 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 340:28d1f895c6fe | 91 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 340:28d1f895c6fe | 92 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 340:28d1f895c6fe | 93 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 340:28d1f895c6fe | 94 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 340:28d1f895c6fe | 95 | * |
mbed_official | 340:28d1f895c6fe | 96 | ****************************************************************************** |
mbed_official | 340:28d1f895c6fe | 97 | */ |
mbed_official | 340:28d1f895c6fe | 98 | |
mbed_official | 340:28d1f895c6fe | 99 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 100 | #include "stm32f0xx_hal.h" |
mbed_official | 340:28d1f895c6fe | 101 | |
mbed_official | 340:28d1f895c6fe | 102 | /** @addtogroup STM32F0xx_HAL_Driver |
mbed_official | 340:28d1f895c6fe | 103 | * @{ |
mbed_official | 340:28d1f895c6fe | 104 | */ |
mbed_official | 340:28d1f895c6fe | 105 | |
mbed_official | 340:28d1f895c6fe | 106 | /** @defgroup FLASH FLASH HAL module driver |
mbed_official | 340:28d1f895c6fe | 107 | * @brief FLASH HAL module driver |
mbed_official | 340:28d1f895c6fe | 108 | * @{ |
mbed_official | 340:28d1f895c6fe | 109 | */ |
mbed_official | 340:28d1f895c6fe | 110 | |
mbed_official | 340:28d1f895c6fe | 111 | #ifdef HAL_FLASH_MODULE_ENABLED |
mbed_official | 340:28d1f895c6fe | 112 | |
mbed_official | 340:28d1f895c6fe | 113 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 114 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 441:d2c15dda23c1 | 115 | /** @defgroup FLASH_Private_Defines FLASH Private Define |
mbed_official | 441:d2c15dda23c1 | 116 | * @{ |
mbed_official | 441:d2c15dda23c1 | 117 | */ |
mbed_official | 441:d2c15dda23c1 | 118 | /** |
mbed_official | 441:d2c15dda23c1 | 119 | * @} |
mbed_official | 441:d2c15dda23c1 | 120 | */ |
mbed_official | 441:d2c15dda23c1 | 121 | |
mbed_official | 340:28d1f895c6fe | 122 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 441:d2c15dda23c1 | 123 | /** @defgroup FLASH_Private_Macros FLASH Private Macros |
mbed_official | 441:d2c15dda23c1 | 124 | * @{ |
mbed_official | 441:d2c15dda23c1 | 125 | */ |
mbed_official | 441:d2c15dda23c1 | 126 | |
mbed_official | 441:d2c15dda23c1 | 127 | /** |
mbed_official | 441:d2c15dda23c1 | 128 | * @} |
mbed_official | 441:d2c15dda23c1 | 129 | */ |
mbed_official | 441:d2c15dda23c1 | 130 | |
mbed_official | 340:28d1f895c6fe | 131 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 132 | /** @defgroup FLASH_Private_Variables FLASH Private Variables |
mbed_official | 340:28d1f895c6fe | 133 | * @{ |
mbed_official | 340:28d1f895c6fe | 134 | */ |
mbed_official | 340:28d1f895c6fe | 135 | /* Variables used for Erase pages under interruption*/ |
mbed_official | 340:28d1f895c6fe | 136 | FLASH_ProcessTypeDef pFlash; |
mbed_official | 340:28d1f895c6fe | 137 | /** |
mbed_official | 340:28d1f895c6fe | 138 | * @} |
mbed_official | 340:28d1f895c6fe | 139 | */ |
mbed_official | 340:28d1f895c6fe | 140 | |
mbed_official | 340:28d1f895c6fe | 141 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 142 | /** @defgroup FLASH_Private_Functions FLASH Private Functions |
mbed_official | 340:28d1f895c6fe | 143 | * @{ |
mbed_official | 340:28d1f895c6fe | 144 | */ |
mbed_official | 340:28d1f895c6fe | 145 | /* Erase operations */ |
mbed_official | 340:28d1f895c6fe | 146 | void FLASH_PageErase(uint32_t PageAddress); |
mbed_official | 340:28d1f895c6fe | 147 | |
mbed_official | 340:28d1f895c6fe | 148 | /* Program operations */ |
mbed_official | 340:28d1f895c6fe | 149 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data); |
mbed_official | 340:28d1f895c6fe | 150 | |
mbed_official | 340:28d1f895c6fe | 151 | HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout); |
mbed_official | 340:28d1f895c6fe | 152 | static void FLASH_SetErrorCode(void); |
mbed_official | 340:28d1f895c6fe | 153 | |
mbed_official | 340:28d1f895c6fe | 154 | /** |
mbed_official | 340:28d1f895c6fe | 155 | * @} |
mbed_official | 340:28d1f895c6fe | 156 | */ |
mbed_official | 340:28d1f895c6fe | 157 | |
mbed_official | 441:d2c15dda23c1 | 158 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 340:28d1f895c6fe | 159 | /** @defgroup FLASH_Exported_Functions FLASH Exported Functions |
mbed_official | 340:28d1f895c6fe | 160 | * @{ |
mbed_official | 340:28d1f895c6fe | 161 | */ |
mbed_official | 340:28d1f895c6fe | 162 | |
mbed_official | 340:28d1f895c6fe | 163 | /** @defgroup FLASH_Exported_Functions_Group1 I/O operation functions |
mbed_official | 340:28d1f895c6fe | 164 | * @brief Data transfers functions |
mbed_official | 340:28d1f895c6fe | 165 | * |
mbed_official | 340:28d1f895c6fe | 166 | @verbatim |
mbed_official | 340:28d1f895c6fe | 167 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 168 | ##### IO operation functions ##### |
mbed_official | 340:28d1f895c6fe | 169 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 170 | [..] |
mbed_official | 340:28d1f895c6fe | 171 | This subsection provides a set of functions allowing to manage the FLASH |
mbed_official | 340:28d1f895c6fe | 172 | program operations (write/erase). |
mbed_official | 340:28d1f895c6fe | 173 | |
mbed_official | 340:28d1f895c6fe | 174 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 175 | * @{ |
mbed_official | 340:28d1f895c6fe | 176 | */ |
mbed_official | 340:28d1f895c6fe | 177 | |
mbed_official | 340:28d1f895c6fe | 178 | /** |
mbed_official | 340:28d1f895c6fe | 179 | * @brief Program halfword, word or double word at a specified address |
mbed_official | 340:28d1f895c6fe | 180 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 181 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 182 | * |
mbed_official | 340:28d1f895c6fe | 183 | * @note If an erase and a program operations are requested simultaneously, |
mbed_official | 340:28d1f895c6fe | 184 | * the erase operation is performed before the program one. |
mbed_official | 340:28d1f895c6fe | 185 | * |
mbed_official | 441:d2c15dda23c1 | 186 | * @note FLASH should be previously erased before new programmation (only exception to this |
mbed_official | 441:d2c15dda23c1 | 187 | * is when 0x0000 is programmed) |
mbed_official | 441:d2c15dda23c1 | 188 | * |
mbed_official | 340:28d1f895c6fe | 189 | * @param TypeProgram: Indicate the way to program at a specified address. |
mbed_official | 340:28d1f895c6fe | 190 | * This parameter can be a value of @ref FLASH_Type_Program |
mbed_official | 340:28d1f895c6fe | 191 | * @param Address: Specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 192 | * @param Data: Specifies the data to be programmed |
mbed_official | 340:28d1f895c6fe | 193 | * |
mbed_official | 340:28d1f895c6fe | 194 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 195 | */ |
mbed_official | 340:28d1f895c6fe | 196 | HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
mbed_official | 340:28d1f895c6fe | 197 | { |
mbed_official | 340:28d1f895c6fe | 198 | HAL_StatusTypeDef status = HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 199 | uint8_t index = 0; |
mbed_official | 340:28d1f895c6fe | 200 | uint8_t nbiterations = 0; |
mbed_official | 340:28d1f895c6fe | 201 | |
mbed_official | 340:28d1f895c6fe | 202 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 203 | __HAL_LOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 204 | |
mbed_official | 340:28d1f895c6fe | 205 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 206 | assert_param(IS_TYPEPROGRAM(TypeProgram)); |
mbed_official | 340:28d1f895c6fe | 207 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
mbed_official | 340:28d1f895c6fe | 208 | |
mbed_official | 340:28d1f895c6fe | 209 | /* Wait for last operation to be completed */ |
mbed_official | 340:28d1f895c6fe | 210 | status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); |
mbed_official | 340:28d1f895c6fe | 211 | |
mbed_official | 340:28d1f895c6fe | 212 | if(status == HAL_OK) |
mbed_official | 340:28d1f895c6fe | 213 | { |
mbed_official | 340:28d1f895c6fe | 214 | if(TypeProgram == TYPEPROGRAM_HALFWORD) |
mbed_official | 340:28d1f895c6fe | 215 | { |
mbed_official | 340:28d1f895c6fe | 216 | /* Program halfword (16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 217 | nbiterations = 1; |
mbed_official | 340:28d1f895c6fe | 218 | } |
mbed_official | 340:28d1f895c6fe | 219 | else if(TypeProgram == TYPEPROGRAM_WORD) |
mbed_official | 340:28d1f895c6fe | 220 | { |
mbed_official | 340:28d1f895c6fe | 221 | /* Program word (32-bit = 2*16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 222 | nbiterations = 2; |
mbed_official | 340:28d1f895c6fe | 223 | } |
mbed_official | 340:28d1f895c6fe | 224 | else |
mbed_official | 340:28d1f895c6fe | 225 | { |
mbed_official | 340:28d1f895c6fe | 226 | /* Program double word (64-bit = 4*16-bit) at a specified address. */ |
mbed_official | 340:28d1f895c6fe | 227 | nbiterations = 4; |
mbed_official | 340:28d1f895c6fe | 228 | } |
mbed_official | 340:28d1f895c6fe | 229 | |
mbed_official | 340:28d1f895c6fe | 230 | for (index = 0; index < nbiterations; index++) |
mbed_official | 340:28d1f895c6fe | 231 | { |
mbed_official | 340:28d1f895c6fe | 232 | FLASH_Program_HalfWord((Address + (2*index)), (uint16_t)(Data >> (16*index))); |
mbed_official | 340:28d1f895c6fe | 233 | |
mbed_official | 340:28d1f895c6fe | 234 | /* Wait for last operation to be completed */ |
mbed_official | 340:28d1f895c6fe | 235 | status = FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE); |
mbed_official | 340:28d1f895c6fe | 236 | |
mbed_official | 340:28d1f895c6fe | 237 | /* If the program operation is completed, disable the PG Bit */ |
mbed_official | 340:28d1f895c6fe | 238 | CLEAR_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 441:d2c15dda23c1 | 239 | |
mbed_official | 441:d2c15dda23c1 | 240 | /* In case of error, stop programation procedure */ |
mbed_official | 441:d2c15dda23c1 | 241 | if (status != HAL_OK) |
mbed_official | 441:d2c15dda23c1 | 242 | { |
mbed_official | 441:d2c15dda23c1 | 243 | break; |
mbed_official | 441:d2c15dda23c1 | 244 | } |
mbed_official | 340:28d1f895c6fe | 245 | } |
mbed_official | 340:28d1f895c6fe | 246 | } |
mbed_official | 340:28d1f895c6fe | 247 | |
mbed_official | 340:28d1f895c6fe | 248 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 249 | __HAL_UNLOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 250 | |
mbed_official | 340:28d1f895c6fe | 251 | return status; |
mbed_official | 340:28d1f895c6fe | 252 | } |
mbed_official | 340:28d1f895c6fe | 253 | |
mbed_official | 340:28d1f895c6fe | 254 | /** |
mbed_official | 340:28d1f895c6fe | 255 | * @brief Program halfword, word or double word at a specified address with interrupt enabled. |
mbed_official | 340:28d1f895c6fe | 256 | * @note The function HAL_FLASH_Unlock() should be called before to unlock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 257 | * The function HAL_FLASH_Lock() should be called after to lock the FLASH interface |
mbed_official | 340:28d1f895c6fe | 258 | * |
mbed_official | 340:28d1f895c6fe | 259 | * @note If an erase and a program operations are requested simultaneously, |
mbed_official | 340:28d1f895c6fe | 260 | * the erase operation is performed before the program one. |
mbed_official | 340:28d1f895c6fe | 261 | * |
mbed_official | 340:28d1f895c6fe | 262 | * @param TypeProgram: Indicate the way to program at a specified address. |
mbed_official | 340:28d1f895c6fe | 263 | * This parameter can be a value of @ref FLASH_Type_Program |
mbed_official | 340:28d1f895c6fe | 264 | * @param Address: Specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 265 | * @param Data: Specifies the data to be programmed |
mbed_official | 340:28d1f895c6fe | 266 | * |
mbed_official | 340:28d1f895c6fe | 267 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 268 | */ |
mbed_official | 340:28d1f895c6fe | 269 | HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint64_t Data) |
mbed_official | 340:28d1f895c6fe | 270 | { |
mbed_official | 340:28d1f895c6fe | 271 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 340:28d1f895c6fe | 272 | |
mbed_official | 340:28d1f895c6fe | 273 | /* Process Locked */ |
mbed_official | 340:28d1f895c6fe | 274 | __HAL_LOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 275 | |
mbed_official | 340:28d1f895c6fe | 276 | /* Check the parameters */ |
mbed_official | 340:28d1f895c6fe | 277 | assert_param(IS_TYPEPROGRAM(TypeProgram)); |
mbed_official | 340:28d1f895c6fe | 278 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
mbed_official | 340:28d1f895c6fe | 279 | |
mbed_official | 340:28d1f895c6fe | 280 | /* Enable End of FLASH Operation and Error source interrupts */ |
mbed_official | 340:28d1f895c6fe | 281 | __HAL_FLASH_ENABLE_IT((FLASH_IT_EOP | FLASH_IT_ERR)); |
mbed_official | 340:28d1f895c6fe | 282 | |
mbed_official | 340:28d1f895c6fe | 283 | pFlash.Address = Address; |
mbed_official | 340:28d1f895c6fe | 284 | pFlash.Data = Data; |
mbed_official | 340:28d1f895c6fe | 285 | |
mbed_official | 340:28d1f895c6fe | 286 | if(TypeProgram == TYPEPROGRAM_HALFWORD) |
mbed_official | 340:28d1f895c6fe | 287 | { |
mbed_official | 340:28d1f895c6fe | 288 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMHALFWORD; |
mbed_official | 340:28d1f895c6fe | 289 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 290 | pFlash.DataRemaining = 1; |
mbed_official | 340:28d1f895c6fe | 291 | } |
mbed_official | 340:28d1f895c6fe | 292 | else if(TypeProgram == TYPEPROGRAM_WORD) |
mbed_official | 340:28d1f895c6fe | 293 | { |
mbed_official | 340:28d1f895c6fe | 294 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMWORD; |
mbed_official | 340:28d1f895c6fe | 295 | /*Program word (32-bit : 2*16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 296 | pFlash.DataRemaining = 2; |
mbed_official | 340:28d1f895c6fe | 297 | } |
mbed_official | 340:28d1f895c6fe | 298 | else |
mbed_official | 340:28d1f895c6fe | 299 | { |
mbed_official | 340:28d1f895c6fe | 300 | pFlash.ProcedureOnGoing = FLASH_PROC_PROGRAMDOUBLEWORD; |
mbed_official | 340:28d1f895c6fe | 301 | /*Program double word (64-bit : 4*16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 302 | pFlash.DataRemaining = 4; |
mbed_official | 340:28d1f895c6fe | 303 | } |
mbed_official | 340:28d1f895c6fe | 304 | |
mbed_official | 340:28d1f895c6fe | 305 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 306 | FLASH_Program_HalfWord(Address, (uint16_t)Data); |
mbed_official | 340:28d1f895c6fe | 307 | |
mbed_official | 340:28d1f895c6fe | 308 | return status; |
mbed_official | 340:28d1f895c6fe | 309 | } |
mbed_official | 340:28d1f895c6fe | 310 | |
mbed_official | 340:28d1f895c6fe | 311 | /** |
mbed_official | 340:28d1f895c6fe | 312 | * @brief This function handles FLASH interrupt request. |
mbed_official | 340:28d1f895c6fe | 313 | * @retval None |
mbed_official | 340:28d1f895c6fe | 314 | */ |
mbed_official | 340:28d1f895c6fe | 315 | void HAL_FLASH_IRQHandler(void) |
mbed_official | 340:28d1f895c6fe | 316 | { |
mbed_official | 441:d2c15dda23c1 | 317 | uint32_t addresstmp = 0; |
mbed_official | 441:d2c15dda23c1 | 318 | |
mbed_official | 441:d2c15dda23c1 | 319 | /* Check FLASH operation error flags */ |
mbed_official | 441:d2c15dda23c1 | 320 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) ||__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 441:d2c15dda23c1 | 321 | { |
mbed_official | 441:d2c15dda23c1 | 322 | /*Save the Error code*/ |
mbed_official | 441:d2c15dda23c1 | 323 | FLASH_SetErrorCode(); |
mbed_official | 441:d2c15dda23c1 | 324 | |
mbed_official | 441:d2c15dda23c1 | 325 | /* FLASH error interrupt user callback */ |
mbed_official | 441:d2c15dda23c1 | 326 | HAL_FLASH_OperationErrorCallback(pFlash.Address); |
mbed_official | 441:d2c15dda23c1 | 327 | |
mbed_official | 441:d2c15dda23c1 | 328 | /* Reset address and stop the procedure ongoing*/ |
mbed_official | 441:d2c15dda23c1 | 329 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 441:d2c15dda23c1 | 330 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 441:d2c15dda23c1 | 331 | } |
mbed_official | 340:28d1f895c6fe | 332 | |
mbed_official | 340:28d1f895c6fe | 333 | /* Check FLASH End of Operation flag */ |
mbed_official | 340:28d1f895c6fe | 334 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
mbed_official | 340:28d1f895c6fe | 335 | { |
mbed_official | 340:28d1f895c6fe | 336 | /* Clear FLASH End of Operation pending bit */ |
mbed_official | 340:28d1f895c6fe | 337 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
mbed_official | 340:28d1f895c6fe | 338 | |
mbed_official | 441:d2c15dda23c1 | 339 | /* Process can continue only if no error detected */ |
mbed_official | 441:d2c15dda23c1 | 340 | if(pFlash.ProcedureOnGoing != FLASH_PROC_NONE) |
mbed_official | 441:d2c15dda23c1 | 341 | { |
mbed_official | 340:28d1f895c6fe | 342 | if(pFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) |
mbed_official | 340:28d1f895c6fe | 343 | { |
mbed_official | 340:28d1f895c6fe | 344 | /* Nb of pages to erased can be decreased */ |
mbed_official | 340:28d1f895c6fe | 345 | pFlash.DataRemaining--; |
mbed_official | 340:28d1f895c6fe | 346 | |
mbed_official | 340:28d1f895c6fe | 347 | /* Indicate user which page address has been erased*/ |
mbed_official | 340:28d1f895c6fe | 348 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
mbed_official | 340:28d1f895c6fe | 349 | |
mbed_official | 340:28d1f895c6fe | 350 | /* Check if there are still pages to erase*/ |
mbed_official | 340:28d1f895c6fe | 351 | if(pFlash.DataRemaining != 0) |
mbed_official | 340:28d1f895c6fe | 352 | { |
mbed_official | 340:28d1f895c6fe | 353 | /* Increment page address to next page */ |
mbed_official | 340:28d1f895c6fe | 354 | pFlash.Address += FLASH_PAGE_SIZE; |
mbed_official | 340:28d1f895c6fe | 355 | addresstmp = pFlash.Address; |
mbed_official | 441:d2c15dda23c1 | 356 | |
mbed_official | 441:d2c15dda23c1 | 357 | /* Operation is completed, disable the PER Bit */ |
mbed_official | 441:d2c15dda23c1 | 358 | CLEAR_BIT(FLASH->CR, FLASH_CR_PER); |
mbed_official | 441:d2c15dda23c1 | 359 | |
mbed_official | 340:28d1f895c6fe | 360 | FLASH_PageErase(addresstmp); |
mbed_official | 340:28d1f895c6fe | 361 | } |
mbed_official | 340:28d1f895c6fe | 362 | else |
mbed_official | 340:28d1f895c6fe | 363 | { |
mbed_official | 340:28d1f895c6fe | 364 | /*No more pages to Erase*/ |
mbed_official | 340:28d1f895c6fe | 365 | |
mbed_official | 340:28d1f895c6fe | 366 | /*Reset Address and stop Erase pages procedure*/ |
mbed_official | 340:28d1f895c6fe | 367 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 340:28d1f895c6fe | 368 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 340:28d1f895c6fe | 369 | } |
mbed_official | 340:28d1f895c6fe | 370 | } |
mbed_official | 340:28d1f895c6fe | 371 | else if(pFlash.ProcedureOnGoing == FLASH_PROC_MASSERASE) |
mbed_official | 340:28d1f895c6fe | 372 | { |
mbed_official | 441:d2c15dda23c1 | 373 | /* Operation is completed, disable the MER Bit */ |
mbed_official | 441:d2c15dda23c1 | 374 | CLEAR_BIT(FLASH->CR, FLASH_CR_MER); |
mbed_official | 441:d2c15dda23c1 | 375 | |
mbed_official | 340:28d1f895c6fe | 376 | /*MassErase ended. Return the selected bank*/ |
mbed_official | 340:28d1f895c6fe | 377 | /* FLASH EOP interrupt user callback */ |
mbed_official | 340:28d1f895c6fe | 378 | HAL_FLASH_EndOfOperationCallback(0); |
mbed_official | 340:28d1f895c6fe | 379 | |
mbed_official | 340:28d1f895c6fe | 380 | /* Stop Mass Erase procedure*/ |
mbed_official | 340:28d1f895c6fe | 381 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 340:28d1f895c6fe | 382 | } |
mbed_official | 340:28d1f895c6fe | 383 | else |
mbed_official | 340:28d1f895c6fe | 384 | { |
mbed_official | 340:28d1f895c6fe | 385 | /* Nb of 16-bit data to program can be decreased */ |
mbed_official | 340:28d1f895c6fe | 386 | pFlash.DataRemaining--; |
mbed_official | 340:28d1f895c6fe | 387 | |
mbed_official | 340:28d1f895c6fe | 388 | /* Check if there are still 16-bit data to program */ |
mbed_official | 340:28d1f895c6fe | 389 | if(pFlash.DataRemaining != 0) |
mbed_official | 340:28d1f895c6fe | 390 | { |
mbed_official | 340:28d1f895c6fe | 391 | /* Increment address to 16-bit */ |
mbed_official | 340:28d1f895c6fe | 392 | pFlash.Address += 2; |
mbed_official | 340:28d1f895c6fe | 393 | addresstmp = pFlash.Address; |
mbed_official | 340:28d1f895c6fe | 394 | |
mbed_official | 340:28d1f895c6fe | 395 | /* Shift to have next 16-bit data */ |
mbed_official | 340:28d1f895c6fe | 396 | pFlash.Data = (pFlash.Data >> 16); |
mbed_official | 340:28d1f895c6fe | 397 | |
mbed_official | 441:d2c15dda23c1 | 398 | /* Operation is completed, disable the PG Bit */ |
mbed_official | 441:d2c15dda23c1 | 399 | CLEAR_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 441:d2c15dda23c1 | 400 | |
mbed_official | 340:28d1f895c6fe | 401 | /*Program halfword (16-bit) at a specified address.*/ |
mbed_official | 340:28d1f895c6fe | 402 | FLASH_Program_HalfWord(addresstmp, (uint16_t)pFlash.Data); |
mbed_official | 340:28d1f895c6fe | 403 | } |
mbed_official | 340:28d1f895c6fe | 404 | else |
mbed_official | 340:28d1f895c6fe | 405 | { |
mbed_official | 340:28d1f895c6fe | 406 | /*Program ended. Return the selected address*/ |
mbed_official | 340:28d1f895c6fe | 407 | /* FLASH EOP interrupt user callback */ |
mbed_official | 340:28d1f895c6fe | 408 | if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMHALFWORD) |
mbed_official | 340:28d1f895c6fe | 409 | { |
mbed_official | 340:28d1f895c6fe | 410 | HAL_FLASH_EndOfOperationCallback(pFlash.Address); |
mbed_official | 340:28d1f895c6fe | 411 | } |
mbed_official | 340:28d1f895c6fe | 412 | else if (pFlash.ProcedureOnGoing == FLASH_PROC_PROGRAMWORD) |
mbed_official | 340:28d1f895c6fe | 413 | { |
mbed_official | 340:28d1f895c6fe | 414 | HAL_FLASH_EndOfOperationCallback(pFlash.Address-2); |
mbed_official | 340:28d1f895c6fe | 415 | } |
mbed_official | 340:28d1f895c6fe | 416 | else |
mbed_official | 340:28d1f895c6fe | 417 | { |
mbed_official | 340:28d1f895c6fe | 418 | HAL_FLASH_EndOfOperationCallback(pFlash.Address-6); |
mbed_official | 340:28d1f895c6fe | 419 | } |
mbed_official | 340:28d1f895c6fe | 420 | |
mbed_official | 340:28d1f895c6fe | 421 | /* Reset Address and stop Program procedure*/ |
mbed_official | 340:28d1f895c6fe | 422 | pFlash.Address = 0xFFFFFFFF; |
mbed_official | 340:28d1f895c6fe | 423 | pFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
mbed_official | 340:28d1f895c6fe | 424 | } |
mbed_official | 340:28d1f895c6fe | 425 | } |
mbed_official | 441:d2c15dda23c1 | 426 | } |
mbed_official | 340:28d1f895c6fe | 427 | } |
mbed_official | 340:28d1f895c6fe | 428 | |
mbed_official | 340:28d1f895c6fe | 429 | if(pFlash.ProcedureOnGoing == FLASH_PROC_NONE) |
mbed_official | 340:28d1f895c6fe | 430 | { |
mbed_official | 441:d2c15dda23c1 | 431 | /* Operation is completed, disable the PG, PER and MER Bits */ |
mbed_official | 441:d2c15dda23c1 | 432 | CLEAR_BIT(FLASH->CR, (FLASH_CR_PG | FLASH_CR_PER | FLASH_CR_MER)); |
mbed_official | 441:d2c15dda23c1 | 433 | |
mbed_official | 340:28d1f895c6fe | 434 | /* Disable End of FLASH Operation and Error source interrupts */ |
mbed_official | 340:28d1f895c6fe | 435 | __HAL_FLASH_DISABLE_IT((FLASH_IT_EOP | FLASH_IT_ERR)); |
mbed_official | 340:28d1f895c6fe | 436 | |
mbed_official | 340:28d1f895c6fe | 437 | /* Process Unlocked */ |
mbed_official | 340:28d1f895c6fe | 438 | __HAL_UNLOCK(&pFlash); |
mbed_official | 340:28d1f895c6fe | 439 | } |
mbed_official | 340:28d1f895c6fe | 440 | } |
mbed_official | 340:28d1f895c6fe | 441 | |
mbed_official | 340:28d1f895c6fe | 442 | |
mbed_official | 340:28d1f895c6fe | 443 | /** |
mbed_official | 340:28d1f895c6fe | 444 | * @brief FLASH end of operation interrupt callback |
mbed_official | 340:28d1f895c6fe | 445 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
mbed_official | 340:28d1f895c6fe | 446 | * - Mass Erase: No return value expected |
mbed_official | 340:28d1f895c6fe | 447 | * - Pages Erase: Address of the page which has been erased |
mbed_official | 340:28d1f895c6fe | 448 | * - Program: Address which was selected for data program |
mbed_official | 340:28d1f895c6fe | 449 | * @retval none |
mbed_official | 340:28d1f895c6fe | 450 | */ |
mbed_official | 340:28d1f895c6fe | 451 | __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue) |
mbed_official | 340:28d1f895c6fe | 452 | { |
mbed_official | 340:28d1f895c6fe | 453 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 454 | the HAL_FLASH_EndOfOperationCallback could be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 455 | */ |
mbed_official | 340:28d1f895c6fe | 456 | } |
mbed_official | 340:28d1f895c6fe | 457 | |
mbed_official | 340:28d1f895c6fe | 458 | /** |
mbed_official | 340:28d1f895c6fe | 459 | * @brief FLASH operation error interrupt callback |
mbed_official | 340:28d1f895c6fe | 460 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
mbed_official | 340:28d1f895c6fe | 461 | * - Mass Erase: No return value expected |
mbed_official | 340:28d1f895c6fe | 462 | * - Pages Erase: Address of the page which returned an error |
mbed_official | 340:28d1f895c6fe | 463 | * - Program: Address which was selected for data program |
mbed_official | 340:28d1f895c6fe | 464 | * @retval none |
mbed_official | 340:28d1f895c6fe | 465 | */ |
mbed_official | 340:28d1f895c6fe | 466 | __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue) |
mbed_official | 340:28d1f895c6fe | 467 | { |
mbed_official | 340:28d1f895c6fe | 468 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 340:28d1f895c6fe | 469 | the HAL_FLASH_OperationErrorCallback could be implemented in the user file |
mbed_official | 340:28d1f895c6fe | 470 | */ |
mbed_official | 340:28d1f895c6fe | 471 | } |
mbed_official | 340:28d1f895c6fe | 472 | |
mbed_official | 340:28d1f895c6fe | 473 | /** |
mbed_official | 340:28d1f895c6fe | 474 | * @} |
mbed_official | 340:28d1f895c6fe | 475 | */ |
mbed_official | 340:28d1f895c6fe | 476 | |
mbed_official | 340:28d1f895c6fe | 477 | /** @defgroup FLASH_Exported_Functions_Group2 Peripheral Control functions |
mbed_official | 340:28d1f895c6fe | 478 | * @brief management functions |
mbed_official | 340:28d1f895c6fe | 479 | * |
mbed_official | 340:28d1f895c6fe | 480 | @verbatim |
mbed_official | 340:28d1f895c6fe | 481 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 482 | ##### Peripheral Control functions ##### |
mbed_official | 340:28d1f895c6fe | 483 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 484 | [..] |
mbed_official | 340:28d1f895c6fe | 485 | This subsection provides a set of functions allowing to control the FLASH |
mbed_official | 340:28d1f895c6fe | 486 | memory operations. |
mbed_official | 340:28d1f895c6fe | 487 | |
mbed_official | 340:28d1f895c6fe | 488 | @endverbatim |
mbed_official | 340:28d1f895c6fe | 489 | * @{ |
mbed_official | 340:28d1f895c6fe | 490 | */ |
mbed_official | 340:28d1f895c6fe | 491 | |
mbed_official | 340:28d1f895c6fe | 492 | /** |
mbed_official | 340:28d1f895c6fe | 493 | * @brief Unlock the FLASH control register access |
mbed_official | 340:28d1f895c6fe | 494 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 495 | */ |
mbed_official | 340:28d1f895c6fe | 496 | HAL_StatusTypeDef HAL_FLASH_Unlock(void) |
mbed_official | 340:28d1f895c6fe | 497 | { |
mbed_official | 340:28d1f895c6fe | 498 | if((READ_BIT(FLASH->CR, FLASH_CR_LOCK)) != RESET) |
mbed_official | 340:28d1f895c6fe | 499 | { |
mbed_official | 340:28d1f895c6fe | 500 | /* Authorize the FLASH Registers access */ |
mbed_official | 340:28d1f895c6fe | 501 | WRITE_REG(FLASH->KEYR, FLASH_FKEY1); |
mbed_official | 340:28d1f895c6fe | 502 | WRITE_REG(FLASH->KEYR, FLASH_FKEY2); |
mbed_official | 340:28d1f895c6fe | 503 | } |
mbed_official | 340:28d1f895c6fe | 504 | else |
mbed_official | 340:28d1f895c6fe | 505 | { |
mbed_official | 340:28d1f895c6fe | 506 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 507 | } |
mbed_official | 340:28d1f895c6fe | 508 | |
mbed_official | 340:28d1f895c6fe | 509 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 510 | } |
mbed_official | 340:28d1f895c6fe | 511 | |
mbed_official | 340:28d1f895c6fe | 512 | /** |
mbed_official | 340:28d1f895c6fe | 513 | * @brief Locks the FLASH control register access |
mbed_official | 340:28d1f895c6fe | 514 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 515 | */ |
mbed_official | 340:28d1f895c6fe | 516 | HAL_StatusTypeDef HAL_FLASH_Lock(void) |
mbed_official | 340:28d1f895c6fe | 517 | { |
mbed_official | 340:28d1f895c6fe | 518 | /* Set the LOCK Bit to lock the FLASH Registers access */ |
mbed_official | 340:28d1f895c6fe | 519 | SET_BIT(FLASH->CR, FLASH_CR_LOCK); |
mbed_official | 340:28d1f895c6fe | 520 | |
mbed_official | 340:28d1f895c6fe | 521 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 522 | } |
mbed_official | 340:28d1f895c6fe | 523 | |
mbed_official | 340:28d1f895c6fe | 524 | |
mbed_official | 340:28d1f895c6fe | 525 | /** |
mbed_official | 340:28d1f895c6fe | 526 | * @brief Unlock the FLASH Option Control Registers access. |
mbed_official | 340:28d1f895c6fe | 527 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 528 | */ |
mbed_official | 340:28d1f895c6fe | 529 | HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) |
mbed_official | 340:28d1f895c6fe | 530 | { |
mbed_official | 340:28d1f895c6fe | 531 | if((READ_BIT(FLASH->CR, FLASH_CR_OPTWRE)) == RESET) |
mbed_official | 340:28d1f895c6fe | 532 | { |
mbed_official | 340:28d1f895c6fe | 533 | /* Authorizes the Option Byte register programming */ |
mbed_official | 340:28d1f895c6fe | 534 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY1); |
mbed_official | 340:28d1f895c6fe | 535 | WRITE_REG(FLASH->OPTKEYR, FLASH_OPTKEY2); |
mbed_official | 340:28d1f895c6fe | 536 | } |
mbed_official | 340:28d1f895c6fe | 537 | else |
mbed_official | 340:28d1f895c6fe | 538 | { |
mbed_official | 340:28d1f895c6fe | 539 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 540 | } |
mbed_official | 340:28d1f895c6fe | 541 | |
mbed_official | 340:28d1f895c6fe | 542 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 543 | } |
mbed_official | 340:28d1f895c6fe | 544 | |
mbed_official | 340:28d1f895c6fe | 545 | /** |
mbed_official | 340:28d1f895c6fe | 546 | * @brief Lock the FLASH Option Control Registers access. |
mbed_official | 340:28d1f895c6fe | 547 | * @retval HAL Status |
mbed_official | 340:28d1f895c6fe | 548 | */ |
mbed_official | 340:28d1f895c6fe | 549 | HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) |
mbed_official | 340:28d1f895c6fe | 550 | { |
mbed_official | 340:28d1f895c6fe | 551 | /* Clear the OPTWRE Bit to lock the FLASH Option Byte Registers access */ |
mbed_official | 340:28d1f895c6fe | 552 | CLEAR_BIT(FLASH->CR, FLASH_CR_OPTWRE); |
mbed_official | 340:28d1f895c6fe | 553 | |
mbed_official | 340:28d1f895c6fe | 554 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 555 | } |
mbed_official | 340:28d1f895c6fe | 556 | |
mbed_official | 340:28d1f895c6fe | 557 | /** |
mbed_official | 340:28d1f895c6fe | 558 | * @brief Launch the option byte loading. |
mbed_official | 340:28d1f895c6fe | 559 | * @retval HAL status |
mbed_official | 340:28d1f895c6fe | 560 | */ |
mbed_official | 340:28d1f895c6fe | 561 | HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) |
mbed_official | 340:28d1f895c6fe | 562 | { |
mbed_official | 441:d2c15dda23c1 | 563 | /* Clean the error context */ |
mbed_official | 441:d2c15dda23c1 | 564 | pFlash.ErrorCode = FLASH_ERROR_NONE; |
mbed_official | 441:d2c15dda23c1 | 565 | |
mbed_official | 340:28d1f895c6fe | 566 | /* Set the bit to force the option byte reloading */ |
mbed_official | 340:28d1f895c6fe | 567 | SET_BIT(FLASH->CR, FLASH_CR_OBL_LAUNCH); |
mbed_official | 340:28d1f895c6fe | 568 | |
mbed_official | 340:28d1f895c6fe | 569 | /* Wait for last operation to be completed */ |
mbed_official | 340:28d1f895c6fe | 570 | return(FLASH_WaitForLastOperation((uint32_t)HAL_FLASH_TIMEOUT_VALUE)); |
mbed_official | 340:28d1f895c6fe | 571 | } |
mbed_official | 340:28d1f895c6fe | 572 | |
mbed_official | 340:28d1f895c6fe | 573 | /** |
mbed_official | 340:28d1f895c6fe | 574 | * @} |
mbed_official | 340:28d1f895c6fe | 575 | */ |
mbed_official | 340:28d1f895c6fe | 576 | |
mbed_official | 340:28d1f895c6fe | 577 | /** @defgroup FLASH_Exported_Functions_Group3 Peripheral State and Errors functions |
mbed_official | 340:28d1f895c6fe | 578 | * @brief Peripheral Errors functions |
mbed_official | 340:28d1f895c6fe | 579 | * |
mbed_official | 340:28d1f895c6fe | 580 | @verbatim |
mbed_official | 340:28d1f895c6fe | 581 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 582 | ##### Peripheral Errors functions ##### |
mbed_official | 340:28d1f895c6fe | 583 | =============================================================================== |
mbed_official | 340:28d1f895c6fe | 584 | [..] |
mbed_official | 340:28d1f895c6fe | 585 | This subsection permit to get in run-time Errors of the FLASH peripheral. |
mbed_official | 340:28d1f895c6fe | 586 | |
mbed_official | 340:28d1f895c6fe | 587 | @endverbatim |
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 | * @brief Get the specific FLASH error flag. |
mbed_official | 340:28d1f895c6fe | 593 | * @retval FLASH_ErrorCode: The returned value can be: |
mbed_official | 340:28d1f895c6fe | 594 | * @arg FLASH_ERROR_PG: FLASH Programming error flag |
mbed_official | 340:28d1f895c6fe | 595 | * @arg FLASH_ERROR_WRP: FLASH Write protected error flag |
mbed_official | 340:28d1f895c6fe | 596 | */ |
mbed_official | 441:d2c15dda23c1 | 597 | uint32_t HAL_FLASH_GetError(void) |
mbed_official | 340:28d1f895c6fe | 598 | { |
mbed_official | 340:28d1f895c6fe | 599 | return pFlash.ErrorCode; |
mbed_official | 441:d2c15dda23c1 | 600 | } |
mbed_official | 340:28d1f895c6fe | 601 | /** |
mbed_official | 340:28d1f895c6fe | 602 | * @} |
mbed_official | 340:28d1f895c6fe | 603 | */ |
mbed_official | 340:28d1f895c6fe | 604 | |
mbed_official | 340:28d1f895c6fe | 605 | /** |
mbed_official | 340:28d1f895c6fe | 606 | * @} |
mbed_official | 340:28d1f895c6fe | 607 | */ |
mbed_official | 340:28d1f895c6fe | 608 | |
mbed_official | 340:28d1f895c6fe | 609 | /** @addtogroup FLASH_Private_Functions |
mbed_official | 340:28d1f895c6fe | 610 | * @{ |
mbed_official | 340:28d1f895c6fe | 611 | */ |
mbed_official | 340:28d1f895c6fe | 612 | /** |
mbed_official | 340:28d1f895c6fe | 613 | * @brief Erase the specified FLASH memory page |
mbed_official | 340:28d1f895c6fe | 614 | * @param PageAddress: FLASH page to erase |
mbed_official | 340:28d1f895c6fe | 615 | * The value of this parameter depend on device used within the same series |
mbed_official | 340:28d1f895c6fe | 616 | * |
mbed_official | 340:28d1f895c6fe | 617 | * @retval None |
mbed_official | 340:28d1f895c6fe | 618 | */ |
mbed_official | 340:28d1f895c6fe | 619 | void FLASH_PageErase(uint32_t PageAddress) |
mbed_official | 340:28d1f895c6fe | 620 | { |
mbed_official | 441:d2c15dda23c1 | 621 | /* Clean the error context */ |
mbed_official | 441:d2c15dda23c1 | 622 | pFlash.ErrorCode = FLASH_ERROR_NONE; |
mbed_official | 340:28d1f895c6fe | 623 | |
mbed_official | 340:28d1f895c6fe | 624 | /* Proceed to erase the page */ |
mbed_official | 340:28d1f895c6fe | 625 | SET_BIT(FLASH->CR, FLASH_CR_PER); |
mbed_official | 340:28d1f895c6fe | 626 | WRITE_REG(FLASH->AR, PageAddress); |
mbed_official | 340:28d1f895c6fe | 627 | SET_BIT(FLASH->CR, FLASH_CR_STRT); |
mbed_official | 340:28d1f895c6fe | 628 | } |
mbed_official | 340:28d1f895c6fe | 629 | |
mbed_official | 340:28d1f895c6fe | 630 | /** |
mbed_official | 340:28d1f895c6fe | 631 | * @brief Program a half-word (16-bit) at a specified address. |
mbed_official | 340:28d1f895c6fe | 632 | * @param Address: specifies the address to be programmed. |
mbed_official | 340:28d1f895c6fe | 633 | * @param Data: specifies the data to be programmed. |
mbed_official | 340:28d1f895c6fe | 634 | * @retval None |
mbed_official | 340:28d1f895c6fe | 635 | */ |
mbed_official | 340:28d1f895c6fe | 636 | static void FLASH_Program_HalfWord(uint32_t Address, uint16_t Data) |
mbed_official | 340:28d1f895c6fe | 637 | { |
mbed_official | 441:d2c15dda23c1 | 638 | /* Clean the error context */ |
mbed_official | 441:d2c15dda23c1 | 639 | pFlash.ErrorCode = FLASH_ERROR_NONE; |
mbed_official | 441:d2c15dda23c1 | 640 | |
mbed_official | 340:28d1f895c6fe | 641 | /* Proceed to program the new data */ |
mbed_official | 340:28d1f895c6fe | 642 | SET_BIT(FLASH->CR, FLASH_CR_PG); |
mbed_official | 340:28d1f895c6fe | 643 | |
mbed_official | 340:28d1f895c6fe | 644 | *(__IO uint16_t*)Address = Data; |
mbed_official | 340:28d1f895c6fe | 645 | } |
mbed_official | 340:28d1f895c6fe | 646 | |
mbed_official | 340:28d1f895c6fe | 647 | /** |
mbed_official | 340:28d1f895c6fe | 648 | * @brief Wait for a FLASH operation to complete. |
mbed_official | 340:28d1f895c6fe | 649 | * @param Timeout: maximum flash operationtimeout |
mbed_official | 340:28d1f895c6fe | 650 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 340:28d1f895c6fe | 651 | */ |
mbed_official | 340:28d1f895c6fe | 652 | HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) |
mbed_official | 340:28d1f895c6fe | 653 | { |
mbed_official | 340:28d1f895c6fe | 654 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
mbed_official | 340:28d1f895c6fe | 655 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
mbed_official | 340:28d1f895c6fe | 656 | flag will be set */ |
mbed_official | 340:28d1f895c6fe | 657 | |
mbed_official | 340:28d1f895c6fe | 658 | uint32_t tickstart = HAL_GetTick(); |
mbed_official | 340:28d1f895c6fe | 659 | |
mbed_official | 340:28d1f895c6fe | 660 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY)) |
mbed_official | 340:28d1f895c6fe | 661 | { |
mbed_official | 340:28d1f895c6fe | 662 | if(Timeout != HAL_MAX_DELAY) |
mbed_official | 340:28d1f895c6fe | 663 | { |
mbed_official | 340:28d1f895c6fe | 664 | if((Timeout == 0) || ((HAL_GetTick() - tickstart) > Timeout)) |
mbed_official | 340:28d1f895c6fe | 665 | { |
mbed_official | 340:28d1f895c6fe | 666 | return HAL_TIMEOUT; |
mbed_official | 340:28d1f895c6fe | 667 | } |
mbed_official | 340:28d1f895c6fe | 668 | } |
mbed_official | 340:28d1f895c6fe | 669 | } |
mbed_official | 340:28d1f895c6fe | 670 | |
mbed_official | 441:d2c15dda23c1 | 671 | /* Check FLASH End of Operation flag */ |
mbed_official | 441:d2c15dda23c1 | 672 | if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
mbed_official | 441:d2c15dda23c1 | 673 | { |
mbed_official | 441:d2c15dda23c1 | 674 | /* Clear FLASH End of Operation pending bit */ |
mbed_official | 441:d2c15dda23c1 | 675 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
mbed_official | 441:d2c15dda23c1 | 676 | } |
mbed_official | 441:d2c15dda23c1 | 677 | |
mbed_official | 340:28d1f895c6fe | 678 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) || __HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 340:28d1f895c6fe | 679 | { |
mbed_official | 340:28d1f895c6fe | 680 | /*Save the error code*/ |
mbed_official | 340:28d1f895c6fe | 681 | FLASH_SetErrorCode(); |
mbed_official | 340:28d1f895c6fe | 682 | return HAL_ERROR; |
mbed_official | 340:28d1f895c6fe | 683 | } |
mbed_official | 340:28d1f895c6fe | 684 | |
mbed_official | 441:d2c15dda23c1 | 685 | /* If there is no error flag set */ |
mbed_official | 340:28d1f895c6fe | 686 | return HAL_OK; |
mbed_official | 340:28d1f895c6fe | 687 | |
mbed_official | 340:28d1f895c6fe | 688 | } |
mbed_official | 340:28d1f895c6fe | 689 | |
mbed_official | 340:28d1f895c6fe | 690 | /** |
mbed_official | 340:28d1f895c6fe | 691 | * @brief Set the specific FLASH error flag. |
mbed_official | 340:28d1f895c6fe | 692 | * @retval None |
mbed_official | 340:28d1f895c6fe | 693 | */ |
mbed_official | 340:28d1f895c6fe | 694 | static void FLASH_SetErrorCode(void) |
mbed_official | 441:d2c15dda23c1 | 695 | { |
mbed_official | 340:28d1f895c6fe | 696 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
mbed_official | 340:28d1f895c6fe | 697 | { |
mbed_official | 441:d2c15dda23c1 | 698 | pFlash.ErrorCode |= FLASH_ERROR_WRP; |
mbed_official | 340:28d1f895c6fe | 699 | } |
mbed_official | 340:28d1f895c6fe | 700 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGERR)) |
mbed_official | 340:28d1f895c6fe | 701 | { |
mbed_official | 340:28d1f895c6fe | 702 | pFlash.ErrorCode |= FLASH_ERROR_PG; |
mbed_official | 340:28d1f895c6fe | 703 | } |
mbed_official | 441:d2c15dda23c1 | 704 | |
mbed_official | 441:d2c15dda23c1 | 705 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGERR); |
mbed_official | 441:d2c15dda23c1 | 706 | } |
mbed_official | 340:28d1f895c6fe | 707 | |
mbed_official | 340:28d1f895c6fe | 708 | /** |
mbed_official | 340:28d1f895c6fe | 709 | * @} |
mbed_official | 340:28d1f895c6fe | 710 | */ |
mbed_official | 340:28d1f895c6fe | 711 | |
mbed_official | 340:28d1f895c6fe | 712 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
mbed_official | 340:28d1f895c6fe | 713 | |
mbed_official | 340:28d1f895c6fe | 714 | /** |
mbed_official | 340:28d1f895c6fe | 715 | * @} |
mbed_official | 340:28d1f895c6fe | 716 | */ |
mbed_official | 340:28d1f895c6fe | 717 | |
mbed_official | 340:28d1f895c6fe | 718 | /** |
mbed_official | 340:28d1f895c6fe | 719 | * @} |
mbed_official | 340:28d1f895c6fe | 720 | */ |
mbed_official | 340:28d1f895c6fe | 721 | |
mbed_official | 340:28d1f895c6fe | 722 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |