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mbed library sources. Supersedes mbed-src.

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targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_flash_ex.c@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
180:96ed750bd169 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /**
<> 144:ef7eb2e8f9f7 2 ******************************************************************************
<> 144:ef7eb2e8f9f7 3 * @file stm32f0xx_hal_flash_ex.c
<> 144:ef7eb2e8f9f7 4 * @author MCD Application Team
<> 144:ef7eb2e8f9f7 5 * @brief Extended FLASH HAL module driver.
<> 144:ef7eb2e8f9f7 6 *
<> 144:ef7eb2e8f9f7 7 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 8 * functionalities of the FLASH peripheral:
<> 144:ef7eb2e8f9f7 9 * + Extended Initialization/de-initialization functions
<> 144:ef7eb2e8f9f7 10 * + Extended I/O operation functions
<> 144:ef7eb2e8f9f7 11 * + Extended Peripheral Control functions
<> 144:ef7eb2e8f9f7 12 *
<> 144:ef7eb2e8f9f7 13 @verbatim
<> 144:ef7eb2e8f9f7 14 ==============================================================================
<> 144:ef7eb2e8f9f7 15 ##### Flash peripheral extended features #####
<> 144:ef7eb2e8f9f7 16 ==============================================================================
<> 144:ef7eb2e8f9f7 17
<> 144:ef7eb2e8f9f7 18 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 19 ==============================================================================
<> 144:ef7eb2e8f9f7 20 [..] This driver provides functions to configure and program the FLASH memory
<> 144:ef7eb2e8f9f7 21 of all STM32F0xxx devices. It includes
<> 144:ef7eb2e8f9f7 22
<> 144:ef7eb2e8f9f7 23 (++) Set/Reset the write protection
<> 144:ef7eb2e8f9f7 24 (++) Program the user Option Bytes
<> 144:ef7eb2e8f9f7 25 (++) Get the Read protection Level
<> 144:ef7eb2e8f9f7 26
<> 144:ef7eb2e8f9f7 27 @endverbatim
<> 144:ef7eb2e8f9f7 28 ******************************************************************************
<> 144:ef7eb2e8f9f7 29 * @attention
<> 144:ef7eb2e8f9f7 30 *
<> 144:ef7eb2e8f9f7 31 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 32 *
<> 144:ef7eb2e8f9f7 33 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 34 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 35 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 36 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 37 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 38 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 39 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 40 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 41 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 42 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 43 *
<> 144:ef7eb2e8f9f7 44 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 45 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 46 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 47 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 48 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 49 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 50 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 51 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 52 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 54 *
<> 144:ef7eb2e8f9f7 55 ******************************************************************************
<> 144:ef7eb2e8f9f7 56 */
<> 144:ef7eb2e8f9f7 57
<> 144:ef7eb2e8f9f7 58 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 59 #include "stm32f0xx_hal.h"
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 /** @addtogroup STM32F0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 62 * @{
<> 144:ef7eb2e8f9f7 63 */
<> 144:ef7eb2e8f9f7 64 #ifdef HAL_FLASH_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 65
<> 144:ef7eb2e8f9f7 66 /** @addtogroup FLASH
<> 144:ef7eb2e8f9f7 67 * @{
<> 144:ef7eb2e8f9f7 68 */
<> 144:ef7eb2e8f9f7 69 /** @addtogroup FLASH_Private_Variables
<> 144:ef7eb2e8f9f7 70 * @{
<> 144:ef7eb2e8f9f7 71 */
<> 144:ef7eb2e8f9f7 72 /* Variables used for Erase pages under interruption*/
<> 144:ef7eb2e8f9f7 73 extern FLASH_ProcessTypeDef pFlash;
<> 144:ef7eb2e8f9f7 74 /**
<> 144:ef7eb2e8f9f7 75 * @}
<> 144:ef7eb2e8f9f7 76 */
<> 144:ef7eb2e8f9f7 77
<> 144:ef7eb2e8f9f7 78 /**
<> 144:ef7eb2e8f9f7 79 * @}
<> 144:ef7eb2e8f9f7 80 */
<> 144:ef7eb2e8f9f7 81
<> 144:ef7eb2e8f9f7 82 /** @defgroup FLASHEx FLASHEx
<> 144:ef7eb2e8f9f7 83 * @brief FLASH HAL Extension module driver
<> 144:ef7eb2e8f9f7 84 * @{
<> 144:ef7eb2e8f9f7 85 */
<> 144:ef7eb2e8f9f7 86
<> 144:ef7eb2e8f9f7 87 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 88 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 89 /** @defgroup FLASHEx_Private_Constants FLASHEx Private Constants
<> 144:ef7eb2e8f9f7 90 * @{
<> 144:ef7eb2e8f9f7 91 */
<> 156:95d6b41a828b 92 #define FLASH_POSITION_IWDGSW_BIT 8U
<> 156:95d6b41a828b 93 #define FLASH_POSITION_OB_USERDATA0_BIT 16U
<> 156:95d6b41a828b 94 #define FLASH_POSITION_OB_USERDATA1_BIT 24U
<> 144:ef7eb2e8f9f7 95 /**
<> 144:ef7eb2e8f9f7 96 * @}
<> 144:ef7eb2e8f9f7 97 */
<> 144:ef7eb2e8f9f7 98
<> 144:ef7eb2e8f9f7 99 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 100 /** @defgroup FLASHEx_Private_Macros FLASHEx Private Macros
<> 144:ef7eb2e8f9f7 101 * @{
<> 144:ef7eb2e8f9f7 102 */
<> 144:ef7eb2e8f9f7 103 /**
<> 144:ef7eb2e8f9f7 104 * @}
<> 144:ef7eb2e8f9f7 105 */
<> 144:ef7eb2e8f9f7 106
<> 144:ef7eb2e8f9f7 107 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 108 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 109 /** @defgroup FLASHEx_Private_Functions FLASHEx Private Functions
<> 144:ef7eb2e8f9f7 110 * @{
<> 144:ef7eb2e8f9f7 111 */
<> 144:ef7eb2e8f9f7 112 /* Erase operations */
<> 144:ef7eb2e8f9f7 113 static void FLASH_MassErase(void);
<> 144:ef7eb2e8f9f7 114 void FLASH_PageErase(uint32_t PageAddress);
<> 144:ef7eb2e8f9f7 115
<> 144:ef7eb2e8f9f7 116 /* Option bytes control */
<> 144:ef7eb2e8f9f7 117 static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage);
<> 144:ef7eb2e8f9f7 118 static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage);
<> 144:ef7eb2e8f9f7 119 static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel);
<> 144:ef7eb2e8f9f7 120 static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig);
<> 144:ef7eb2e8f9f7 121 static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
<> 144:ef7eb2e8f9f7 122 static uint32_t FLASH_OB_GetWRP(void);
<> 144:ef7eb2e8f9f7 123 static uint32_t FLASH_OB_GetRDP(void);
<> 144:ef7eb2e8f9f7 124 static uint8_t FLASH_OB_GetUser(void);
<> 144:ef7eb2e8f9f7 125
<> 144:ef7eb2e8f9f7 126 /**
<> 144:ef7eb2e8f9f7 127 * @}
<> 144:ef7eb2e8f9f7 128 */
<> 144:ef7eb2e8f9f7 129
<> 144:ef7eb2e8f9f7 130 /* Exported functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 131 /** @defgroup FLASHEx_Exported_Functions FLASHEx Exported Functions
<> 144:ef7eb2e8f9f7 132 * @{
<> 144:ef7eb2e8f9f7 133 */
<> 144:ef7eb2e8f9f7 134
<> 144:ef7eb2e8f9f7 135 /** @defgroup FLASHEx_Exported_Functions_Group1 FLASHEx Memory Erasing functions
<> 144:ef7eb2e8f9f7 136 * @brief FLASH Memory Erasing functions
<> 144:ef7eb2e8f9f7 137 *
<> 144:ef7eb2e8f9f7 138 @verbatim
<> 144:ef7eb2e8f9f7 139 ==============================================================================
<> 144:ef7eb2e8f9f7 140 ##### FLASH Erasing Programming functions #####
<> 144:ef7eb2e8f9f7 141 ==============================================================================
<> 144:ef7eb2e8f9f7 142
<> 144:ef7eb2e8f9f7 143 [..] The FLASH Memory Erasing functions, includes the following functions:
<> 144:ef7eb2e8f9f7 144 (+) @ref HAL_FLASHEx_Erase: return only when erase has been done
<> 144:ef7eb2e8f9f7 145 (+) @ref HAL_FLASHEx_Erase_IT: end of erase is done when @ref HAL_FLASH_EndOfOperationCallback
<> 144:ef7eb2e8f9f7 146 is called with parameter 0xFFFFFFFF
<> 144:ef7eb2e8f9f7 147
<> 144:ef7eb2e8f9f7 148 [..] Any operation of erase should follow these steps:
<> 144:ef7eb2e8f9f7 149 (#) Call the @ref HAL_FLASH_Unlock() function to enable the flash control register and
<> 144:ef7eb2e8f9f7 150 program memory access.
<> 144:ef7eb2e8f9f7 151 (#) Call the desired function to erase page.
<> 144:ef7eb2e8f9f7 152 (#) Call the @ref HAL_FLASH_Lock() to disable the flash program memory access
<> 144:ef7eb2e8f9f7 153 (recommended to protect the FLASH memory against possible unwanted operation).
<> 144:ef7eb2e8f9f7 154
<> 144:ef7eb2e8f9f7 155 @endverbatim
<> 144:ef7eb2e8f9f7 156 * @{
<> 144:ef7eb2e8f9f7 157 */
<> 144:ef7eb2e8f9f7 158
<> 144:ef7eb2e8f9f7 159
<> 144:ef7eb2e8f9f7 160 /**
<> 144:ef7eb2e8f9f7 161 * @brief Perform a mass erase or erase the specified FLASH memory pages
<> 144:ef7eb2e8f9f7 162 * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function
<> 144:ef7eb2e8f9f7 163 * must be called before.
<> 144:ef7eb2e8f9f7 164 * Call the @ref HAL_FLASH_Lock() to disable the flash memory access
<> 144:ef7eb2e8f9f7 165 * (recommended to protect the FLASH memory against possible unwanted operation)
<> 144:ef7eb2e8f9f7 166 * @param[in] pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
<> 144:ef7eb2e8f9f7 167 * contains the configuration information for the erasing.
<> 144:ef7eb2e8f9f7 168 *
<> 144:ef7eb2e8f9f7 169 * @param[out] PageError pointer to variable that
<> 144:ef7eb2e8f9f7 170 * contains the configuration information on faulty page in case of error
<> 144:ef7eb2e8f9f7 171 * (0xFFFFFFFF means that all the pages have been correctly erased)
<> 144:ef7eb2e8f9f7 172 *
<> 144:ef7eb2e8f9f7 173 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 174 */
<> 144:ef7eb2e8f9f7 175 HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *PageError)
<> 144:ef7eb2e8f9f7 176 {
<> 144:ef7eb2e8f9f7 177 HAL_StatusTypeDef status = HAL_ERROR;
<> 156:95d6b41a828b 178 uint32_t address = 0U;
<> 144:ef7eb2e8f9f7 179
<> 144:ef7eb2e8f9f7 180 /* Process Locked */
<> 144:ef7eb2e8f9f7 181 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 182
<> 144:ef7eb2e8f9f7 183 /* Check the parameters */
<> 144:ef7eb2e8f9f7 184 assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
<> 144:ef7eb2e8f9f7 185
<> 144:ef7eb2e8f9f7 186 if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
<> 144:ef7eb2e8f9f7 187 {
<> 144:ef7eb2e8f9f7 188 /* Mass Erase requested for Bank1 */
<> 144:ef7eb2e8f9f7 189 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 190 if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
<> 144:ef7eb2e8f9f7 191 {
<> 144:ef7eb2e8f9f7 192 /*Mass erase to be done*/
<> 144:ef7eb2e8f9f7 193 FLASH_MassErase();
<> 144:ef7eb2e8f9f7 194
<> 144:ef7eb2e8f9f7 195 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 196 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 197
<> 144:ef7eb2e8f9f7 198 /* If the erase operation is completed, disable the MER Bit */
<> 144:ef7eb2e8f9f7 199 CLEAR_BIT(FLASH->CR, FLASH_CR_MER);
<> 144:ef7eb2e8f9f7 200 }
<> 144:ef7eb2e8f9f7 201 }
<> 144:ef7eb2e8f9f7 202 else
<> 144:ef7eb2e8f9f7 203 {
<> 144:ef7eb2e8f9f7 204 /* Page Erase is requested */
<> 144:ef7eb2e8f9f7 205 /* Check the parameters */
<> 144:ef7eb2e8f9f7 206 assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
<> 144:ef7eb2e8f9f7 207 assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
<> 144:ef7eb2e8f9f7 208
<> 144:ef7eb2e8f9f7 209 /* Page Erase requested on address located on bank1 */
<> 144:ef7eb2e8f9f7 210 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 211 if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
<> 144:ef7eb2e8f9f7 212 {
<> 144:ef7eb2e8f9f7 213 /*Initialization of PageError variable*/
<> 144:ef7eb2e8f9f7 214 *PageError = 0xFFFFFFFFU;
<> 144:ef7eb2e8f9f7 215
<> 144:ef7eb2e8f9f7 216 /* Erase page by page to be done*/
<> 144:ef7eb2e8f9f7 217 for(address = pEraseInit->PageAddress;
<> 144:ef7eb2e8f9f7 218 address < ((pEraseInit->NbPages * FLASH_PAGE_SIZE) + pEraseInit->PageAddress);
<> 144:ef7eb2e8f9f7 219 address += FLASH_PAGE_SIZE)
<> 144:ef7eb2e8f9f7 220 {
<> 144:ef7eb2e8f9f7 221 FLASH_PageErase(address);
<> 144:ef7eb2e8f9f7 222
<> 144:ef7eb2e8f9f7 223 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 224 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 225
<> 144:ef7eb2e8f9f7 226 /* If the erase operation is completed, disable the PER Bit */
<> 144:ef7eb2e8f9f7 227 CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
<> 144:ef7eb2e8f9f7 228
<> 144:ef7eb2e8f9f7 229 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 230 {
<> 144:ef7eb2e8f9f7 231 /* In case of error, stop erase procedure and return the faulty address */
<> 144:ef7eb2e8f9f7 232 *PageError = address;
<> 144:ef7eb2e8f9f7 233 break;
<> 144:ef7eb2e8f9f7 234 }
<> 144:ef7eb2e8f9f7 235 }
<> 144:ef7eb2e8f9f7 236 }
<> 144:ef7eb2e8f9f7 237 }
<> 144:ef7eb2e8f9f7 238
<> 144:ef7eb2e8f9f7 239 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 240 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 241
<> 144:ef7eb2e8f9f7 242 return status;
<> 144:ef7eb2e8f9f7 243 }
<> 144:ef7eb2e8f9f7 244
<> 144:ef7eb2e8f9f7 245 /**
<> 144:ef7eb2e8f9f7 246 * @brief Perform a mass erase or erase the specified FLASH memory pages with interrupt enabled
<> 144:ef7eb2e8f9f7 247 * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function
<> 144:ef7eb2e8f9f7 248 * must be called before.
<> 144:ef7eb2e8f9f7 249 * Call the @ref HAL_FLASH_Lock() to disable the flash memory access
<> 144:ef7eb2e8f9f7 250 * (recommended to protect the FLASH memory against possible unwanted operation)
<> 144:ef7eb2e8f9f7 251 * @param pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
<> 144:ef7eb2e8f9f7 252 * contains the configuration information for the erasing.
<> 144:ef7eb2e8f9f7 253 *
<> 144:ef7eb2e8f9f7 254 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 255 */
<> 144:ef7eb2e8f9f7 256 HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit)
<> 144:ef7eb2e8f9f7 257 {
<> 144:ef7eb2e8f9f7 258 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 259
<> 144:ef7eb2e8f9f7 260 /* Process Locked */
<> 144:ef7eb2e8f9f7 261 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 262
<> 144:ef7eb2e8f9f7 263 /* If procedure already ongoing, reject the next one */
<> 144:ef7eb2e8f9f7 264 if (pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
<> 144:ef7eb2e8f9f7 265 {
<> 144:ef7eb2e8f9f7 266 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 267 }
<> 144:ef7eb2e8f9f7 268
<> 144:ef7eb2e8f9f7 269 /* Check the parameters */
<> 144:ef7eb2e8f9f7 270 assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
<> 144:ef7eb2e8f9f7 271
<> 144:ef7eb2e8f9f7 272 /* Enable End of FLASH Operation and Error source interrupts */
<> 144:ef7eb2e8f9f7 273 __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
<> 144:ef7eb2e8f9f7 274
<> 144:ef7eb2e8f9f7 275 if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
<> 144:ef7eb2e8f9f7 276 {
<> 144:ef7eb2e8f9f7 277 /*Mass erase to be done*/
<> 144:ef7eb2e8f9f7 278 pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE;
<> 144:ef7eb2e8f9f7 279 FLASH_MassErase();
<> 144:ef7eb2e8f9f7 280 }
<> 144:ef7eb2e8f9f7 281 else
<> 144:ef7eb2e8f9f7 282 {
<> 144:ef7eb2e8f9f7 283 /* Erase by page to be done*/
<> 144:ef7eb2e8f9f7 284
<> 144:ef7eb2e8f9f7 285 /* Check the parameters */
<> 144:ef7eb2e8f9f7 286 assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
<> 144:ef7eb2e8f9f7 287 assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
<> 144:ef7eb2e8f9f7 288
<> 144:ef7eb2e8f9f7 289 pFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE;
<> 144:ef7eb2e8f9f7 290 pFlash.DataRemaining = pEraseInit->NbPages;
<> 144:ef7eb2e8f9f7 291 pFlash.Address = pEraseInit->PageAddress;
<> 144:ef7eb2e8f9f7 292
<> 144:ef7eb2e8f9f7 293 /*Erase 1st page and wait for IT*/
<> 144:ef7eb2e8f9f7 294 FLASH_PageErase(pEraseInit->PageAddress);
<> 144:ef7eb2e8f9f7 295 }
<> 144:ef7eb2e8f9f7 296
<> 144:ef7eb2e8f9f7 297 return status;
<> 144:ef7eb2e8f9f7 298 }
<> 144:ef7eb2e8f9f7 299
<> 144:ef7eb2e8f9f7 300 /**
<> 144:ef7eb2e8f9f7 301 * @}
<> 144:ef7eb2e8f9f7 302 */
<> 144:ef7eb2e8f9f7 303
<> 144:ef7eb2e8f9f7 304 /** @defgroup FLASHEx_Exported_Functions_Group2 Option Bytes Programming functions
<> 144:ef7eb2e8f9f7 305 * @brief Option Bytes Programming functions
<> 144:ef7eb2e8f9f7 306 *
<> 144:ef7eb2e8f9f7 307 @verbatim
<> 144:ef7eb2e8f9f7 308 ==============================================================================
<> 144:ef7eb2e8f9f7 309 ##### Option Bytes Programming functions #####
<> 144:ef7eb2e8f9f7 310 ==============================================================================
<> 144:ef7eb2e8f9f7 311 [..]
<> 144:ef7eb2e8f9f7 312 This subsection provides a set of functions allowing to control the FLASH
<> 144:ef7eb2e8f9f7 313 option bytes operations.
<> 144:ef7eb2e8f9f7 314
<> 144:ef7eb2e8f9f7 315 @endverbatim
<> 144:ef7eb2e8f9f7 316 * @{
<> 144:ef7eb2e8f9f7 317 */
<> 144:ef7eb2e8f9f7 318
<> 144:ef7eb2e8f9f7 319 /**
<> 144:ef7eb2e8f9f7 320 * @brief Erases the FLASH option bytes.
<> 144:ef7eb2e8f9f7 321 * @note This functions erases all option bytes except the Read protection (RDP).
<> 144:ef7eb2e8f9f7 322 * The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 323 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 324 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 325 * (system reset will occur)
<> 144:ef7eb2e8f9f7 326 * @retval HAL status
<> 144:ef7eb2e8f9f7 327 */
<> 144:ef7eb2e8f9f7 328
<> 144:ef7eb2e8f9f7 329 HAL_StatusTypeDef HAL_FLASHEx_OBErase(void)
<> 144:ef7eb2e8f9f7 330 {
<> 144:ef7eb2e8f9f7 331 uint8_t rdptmp = OB_RDP_LEVEL_0;
<> 144:ef7eb2e8f9f7 332 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 333
<> 144:ef7eb2e8f9f7 334 /* Get the actual read protection Option Byte value */
<> 144:ef7eb2e8f9f7 335 rdptmp = FLASH_OB_GetRDP();
<> 144:ef7eb2e8f9f7 336
<> 144:ef7eb2e8f9f7 337 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 338 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 339
<> 144:ef7eb2e8f9f7 340 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 341 {
<> 144:ef7eb2e8f9f7 342 /* Clean the error context */
<> 144:ef7eb2e8f9f7 343 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 344
<> 144:ef7eb2e8f9f7 345 /* If the previous operation is completed, proceed to erase the option bytes */
<> 144:ef7eb2e8f9f7 346 SET_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 347 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 348
<> 144:ef7eb2e8f9f7 349 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 350 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 351
<> 144:ef7eb2e8f9f7 352 /* If the erase operation is completed, disable the OPTER Bit */
<> 144:ef7eb2e8f9f7 353 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 354
<> 144:ef7eb2e8f9f7 355 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 356 {
<> 144:ef7eb2e8f9f7 357 /* Restore the last read protection Option Byte value */
<> 144:ef7eb2e8f9f7 358 status = FLASH_OB_RDP_LevelConfig(rdptmp);
<> 144:ef7eb2e8f9f7 359 }
<> 144:ef7eb2e8f9f7 360 }
<> 144:ef7eb2e8f9f7 361
<> 144:ef7eb2e8f9f7 362 /* Return the erase status */
<> 144:ef7eb2e8f9f7 363 return status;
<> 144:ef7eb2e8f9f7 364 }
<> 144:ef7eb2e8f9f7 365
<> 144:ef7eb2e8f9f7 366 /**
<> 144:ef7eb2e8f9f7 367 * @brief Program option bytes
<> 144:ef7eb2e8f9f7 368 * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 369 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 370 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 371 * (system reset will occur)
<> 144:ef7eb2e8f9f7 372 *
<> 144:ef7eb2e8f9f7 373 * @param pOBInit pointer to an FLASH_OBInitStruct structure that
<> 144:ef7eb2e8f9f7 374 * contains the configuration information for the programming.
<> 144:ef7eb2e8f9f7 375 *
<> 144:ef7eb2e8f9f7 376 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 377 */
<> 144:ef7eb2e8f9f7 378 HAL_StatusTypeDef HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit)
<> 144:ef7eb2e8f9f7 379 {
<> 144:ef7eb2e8f9f7 380 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 381
<> 144:ef7eb2e8f9f7 382 /* Process Locked */
<> 144:ef7eb2e8f9f7 383 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 384
<> 144:ef7eb2e8f9f7 385 /* Check the parameters */
<> 144:ef7eb2e8f9f7 386 assert_param(IS_OPTIONBYTE(pOBInit->OptionType));
<> 144:ef7eb2e8f9f7 387
<> 144:ef7eb2e8f9f7 388 /* Write protection configuration */
<> 144:ef7eb2e8f9f7 389 if((pOBInit->OptionType & OPTIONBYTE_WRP) == OPTIONBYTE_WRP)
<> 144:ef7eb2e8f9f7 390 {
<> 144:ef7eb2e8f9f7 391 assert_param(IS_WRPSTATE(pOBInit->WRPState));
<> 144:ef7eb2e8f9f7 392 if (pOBInit->WRPState == OB_WRPSTATE_ENABLE)
<> 144:ef7eb2e8f9f7 393 {
<> 144:ef7eb2e8f9f7 394 /* Enable of Write protection on the selected page */
<> 144:ef7eb2e8f9f7 395 status = FLASH_OB_EnableWRP(pOBInit->WRPPage);
<> 144:ef7eb2e8f9f7 396 }
<> 144:ef7eb2e8f9f7 397 else
<> 144:ef7eb2e8f9f7 398 {
<> 144:ef7eb2e8f9f7 399 /* Disable of Write protection on the selected page */
<> 144:ef7eb2e8f9f7 400 status = FLASH_OB_DisableWRP(pOBInit->WRPPage);
<> 144:ef7eb2e8f9f7 401 }
<> 144:ef7eb2e8f9f7 402 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 403 {
<> 144:ef7eb2e8f9f7 404 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 405 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 406 return status;
<> 144:ef7eb2e8f9f7 407 }
<> 144:ef7eb2e8f9f7 408 }
<> 144:ef7eb2e8f9f7 409
<> 144:ef7eb2e8f9f7 410 /* Read protection configuration */
<> 144:ef7eb2e8f9f7 411 if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP)
<> 144:ef7eb2e8f9f7 412 {
<> 144:ef7eb2e8f9f7 413 status = FLASH_OB_RDP_LevelConfig(pOBInit->RDPLevel);
<> 144:ef7eb2e8f9f7 414 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 415 {
<> 144:ef7eb2e8f9f7 416 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 417 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 418 return status;
<> 144:ef7eb2e8f9f7 419 }
<> 144:ef7eb2e8f9f7 420 }
<> 144:ef7eb2e8f9f7 421
<> 144:ef7eb2e8f9f7 422 /* USER configuration */
<> 144:ef7eb2e8f9f7 423 if((pOBInit->OptionType & OPTIONBYTE_USER) == OPTIONBYTE_USER)
<> 144:ef7eb2e8f9f7 424 {
<> 144:ef7eb2e8f9f7 425 status = FLASH_OB_UserConfig(pOBInit->USERConfig);
<> 144:ef7eb2e8f9f7 426 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 427 {
<> 144:ef7eb2e8f9f7 428 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 429 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 430 return status;
<> 144:ef7eb2e8f9f7 431 }
<> 144:ef7eb2e8f9f7 432 }
<> 144:ef7eb2e8f9f7 433
<> 144:ef7eb2e8f9f7 434 /* DATA configuration*/
<> 144:ef7eb2e8f9f7 435 if((pOBInit->OptionType & OPTIONBYTE_DATA) == OPTIONBYTE_DATA)
<> 144:ef7eb2e8f9f7 436 {
<> 144:ef7eb2e8f9f7 437 status = FLASH_OB_ProgramData(pOBInit->DATAAddress, pOBInit->DATAData);
<> 144:ef7eb2e8f9f7 438 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 439 {
<> 144:ef7eb2e8f9f7 440 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 441 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 442 return status;
<> 144:ef7eb2e8f9f7 443 }
<> 144:ef7eb2e8f9f7 444 }
<> 144:ef7eb2e8f9f7 445
<> 144:ef7eb2e8f9f7 446 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 447 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 448
<> 144:ef7eb2e8f9f7 449 return status;
<> 144:ef7eb2e8f9f7 450 }
<> 144:ef7eb2e8f9f7 451
<> 144:ef7eb2e8f9f7 452 /**
<> 144:ef7eb2e8f9f7 453 * @brief Get the Option byte configuration
<> 144:ef7eb2e8f9f7 454 * @param pOBInit pointer to an FLASH_OBInitStruct structure that
<> 144:ef7eb2e8f9f7 455 * contains the configuration information for the programming.
<> 144:ef7eb2e8f9f7 456 *
<> 144:ef7eb2e8f9f7 457 * @retval None
<> 144:ef7eb2e8f9f7 458 */
<> 144:ef7eb2e8f9f7 459 void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit)
<> 144:ef7eb2e8f9f7 460 {
<> 144:ef7eb2e8f9f7 461 pOBInit->OptionType = OPTIONBYTE_WRP | OPTIONBYTE_RDP | OPTIONBYTE_USER;
<> 144:ef7eb2e8f9f7 462
<> 144:ef7eb2e8f9f7 463 /*Get WRP*/
<> 144:ef7eb2e8f9f7 464 pOBInit->WRPPage = FLASH_OB_GetWRP();
<> 144:ef7eb2e8f9f7 465
<> 144:ef7eb2e8f9f7 466 /*Get RDP Level*/
<> 144:ef7eb2e8f9f7 467 pOBInit->RDPLevel = FLASH_OB_GetRDP();
<> 144:ef7eb2e8f9f7 468
<> 144:ef7eb2e8f9f7 469 /*Get USER*/
<> 144:ef7eb2e8f9f7 470 pOBInit->USERConfig = FLASH_OB_GetUser();
<> 144:ef7eb2e8f9f7 471 }
<> 144:ef7eb2e8f9f7 472
<> 144:ef7eb2e8f9f7 473 /**
<> 144:ef7eb2e8f9f7 474 * @brief Get the Option byte user data
<> 144:ef7eb2e8f9f7 475 * @param DATAAdress Address of the option byte DATA
<> 144:ef7eb2e8f9f7 476 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 477 * @arg @ref OB_DATA_ADDRESS_DATA0
<> 144:ef7eb2e8f9f7 478 * @arg @ref OB_DATA_ADDRESS_DATA1
<> 144:ef7eb2e8f9f7 479 * @retval Value programmed in USER data
<> 144:ef7eb2e8f9f7 480 */
<> 144:ef7eb2e8f9f7 481 uint32_t HAL_FLASHEx_OBGetUserData(uint32_t DATAAdress)
<> 144:ef7eb2e8f9f7 482 {
<> 156:95d6b41a828b 483 uint32_t value = 0U;
<> 144:ef7eb2e8f9f7 484
<> 144:ef7eb2e8f9f7 485 if (DATAAdress == OB_DATA_ADDRESS_DATA0)
<> 144:ef7eb2e8f9f7 486 {
<> 144:ef7eb2e8f9f7 487 /* Get value programmed in OB USER Data0 */
<> 144:ef7eb2e8f9f7 488 value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA0) >> FLASH_POSITION_OB_USERDATA0_BIT;
<> 144:ef7eb2e8f9f7 489 }
<> 144:ef7eb2e8f9f7 490 else
<> 144:ef7eb2e8f9f7 491 {
<> 144:ef7eb2e8f9f7 492 /* Get value programmed in OB USER Data1 */
<> 144:ef7eb2e8f9f7 493 value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA1) >> FLASH_POSITION_OB_USERDATA1_BIT;
<> 144:ef7eb2e8f9f7 494 }
<> 144:ef7eb2e8f9f7 495
<> 144:ef7eb2e8f9f7 496 return value;
<> 144:ef7eb2e8f9f7 497 }
<> 144:ef7eb2e8f9f7 498
<> 144:ef7eb2e8f9f7 499 /**
<> 144:ef7eb2e8f9f7 500 * @}
<> 144:ef7eb2e8f9f7 501 */
<> 144:ef7eb2e8f9f7 502
<> 144:ef7eb2e8f9f7 503 /**
<> 144:ef7eb2e8f9f7 504 * @}
<> 144:ef7eb2e8f9f7 505 */
<> 144:ef7eb2e8f9f7 506
<> 144:ef7eb2e8f9f7 507 /** @addtogroup FLASHEx_Private_Functions
<> 144:ef7eb2e8f9f7 508 * @{
<> 144:ef7eb2e8f9f7 509 */
<> 144:ef7eb2e8f9f7 510
<> 144:ef7eb2e8f9f7 511 /**
<> 144:ef7eb2e8f9f7 512 * @brief Full erase of FLASH memory Bank
<> 144:ef7eb2e8f9f7 513 *
<> 144:ef7eb2e8f9f7 514 * @retval None
<> 144:ef7eb2e8f9f7 515 */
<> 144:ef7eb2e8f9f7 516 static void FLASH_MassErase(void)
<> 144:ef7eb2e8f9f7 517 {
<> 144:ef7eb2e8f9f7 518 /* Clean the error context */
<> 144:ef7eb2e8f9f7 519 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 520
<> 144:ef7eb2e8f9f7 521 /* Only bank1 will be erased*/
<> 144:ef7eb2e8f9f7 522 SET_BIT(FLASH->CR, FLASH_CR_MER);
<> 144:ef7eb2e8f9f7 523 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 524 }
<> 144:ef7eb2e8f9f7 525
<> 144:ef7eb2e8f9f7 526 /**
<> 144:ef7eb2e8f9f7 527 * @brief Enable the write protection of the desired pages
<> 144:ef7eb2e8f9f7 528 * @note An option byte erase is done automatically in this function.
<> 144:ef7eb2e8f9f7 529 * @note When the memory read protection level is selected (RDP level = 1),
<> 144:ef7eb2e8f9f7 530 * it is not possible to program or erase the flash page i if
<> 144:ef7eb2e8f9f7 531 * debug features are connected or boot code is executed in RAM, even if nWRPi = 1
<> 144:ef7eb2e8f9f7 532 *
<> 144:ef7eb2e8f9f7 533 * @param WriteProtectPage specifies the page(s) to be write protected.
<> 144:ef7eb2e8f9f7 534 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 535 * @retval HAL status
<> 144:ef7eb2e8f9f7 536 */
<> 144:ef7eb2e8f9f7 537 static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage)
<> 144:ef7eb2e8f9f7 538 {
<> 144:ef7eb2e8f9f7 539 HAL_StatusTypeDef status = HAL_OK;
<> 156:95d6b41a828b 540 uint16_t WRP0_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 541 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 542 uint16_t WRP1_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 543 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 544 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 545 uint16_t WRP2_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 546 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 547 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 548 uint16_t WRP3_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 549 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 550
<> 144:ef7eb2e8f9f7 551 /* Check the parameters */
<> 144:ef7eb2e8f9f7 552 assert_param(IS_OB_WRP(WriteProtectPage));
<> 144:ef7eb2e8f9f7 553
<> 144:ef7eb2e8f9f7 554 /* Get current write protected pages and the new pages to be protected ******/
<> 144:ef7eb2e8f9f7 555 WriteProtectPage = (uint32_t)(~((~FLASH_OB_GetWRP()) | WriteProtectPage));
<> 144:ef7eb2e8f9f7 556
<> 144:ef7eb2e8f9f7 557 #if defined(OB_WRP_PAGES0TO15MASK)
<> 144:ef7eb2e8f9f7 558 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK);
<> 144:ef7eb2e8f9f7 559 #elif defined(OB_WRP_PAGES0TO31MASK)
<> 144:ef7eb2e8f9f7 560 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK);
<> 144:ef7eb2e8f9f7 561 #endif /* OB_WRP_PAGES0TO31MASK */
<> 144:ef7eb2e8f9f7 562
<> 144:ef7eb2e8f9f7 563 #if defined(OB_WRP_PAGES16TO31MASK)
<> 156:95d6b41a828b 564 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8U);
<> 144:ef7eb2e8f9f7 565 #elif defined(OB_WRP_PAGES32TO63MASK)
<> 156:95d6b41a828b 566 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8U);
<> 144:ef7eb2e8f9f7 567 #endif /* OB_WRP_PAGES32TO63MASK */
<> 144:ef7eb2e8f9f7 568
<> 144:ef7eb2e8f9f7 569 #if defined(OB_WRP_PAGES32TO47MASK)
<> 156:95d6b41a828b 570 WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16U);
<> 144:ef7eb2e8f9f7 571 #endif /* OB_WRP_PAGES32TO47MASK */
<> 144:ef7eb2e8f9f7 572
<> 144:ef7eb2e8f9f7 573 #if defined(OB_WRP_PAGES48TO63MASK)
<> 156:95d6b41a828b 574 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO63MASK) >> 24U);
<> 144:ef7eb2e8f9f7 575 #elif defined(OB_WRP_PAGES48TO127MASK)
<> 156:95d6b41a828b 576 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24U);
<> 144:ef7eb2e8f9f7 577 #endif /* OB_WRP_PAGES48TO63MASK */
<> 144:ef7eb2e8f9f7 578
<> 144:ef7eb2e8f9f7 579 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 580 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 581
<> 144:ef7eb2e8f9f7 582 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 583 {
<> 144:ef7eb2e8f9f7 584 /* Clean the error context */
<> 144:ef7eb2e8f9f7 585 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 586
<> 144:ef7eb2e8f9f7 587 /* To be able to write again option byte, need to perform a option byte erase */
<> 144:ef7eb2e8f9f7 588 status = HAL_FLASHEx_OBErase();
<> 144:ef7eb2e8f9f7 589 if (status == HAL_OK)
<> 144:ef7eb2e8f9f7 590 {
<> 144:ef7eb2e8f9f7 591 /* Enable write protection */
<> 144:ef7eb2e8f9f7 592 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 593
<> 144:ef7eb2e8f9f7 594 #if defined(OB_WRP0_WRP0)
<> 156:95d6b41a828b 595 if(WRP0_Data != 0xFFU)
<> 144:ef7eb2e8f9f7 596 {
<> 144:ef7eb2e8f9f7 597 OB->WRP0 &= WRP0_Data;
<> 144:ef7eb2e8f9f7 598
<> 144:ef7eb2e8f9f7 599 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 600 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 601 }
<> 144:ef7eb2e8f9f7 602 #endif /* OB_WRP0_WRP0 */
<> 144:ef7eb2e8f9f7 603
<> 144:ef7eb2e8f9f7 604 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 605 if((status == HAL_OK) && (WRP1_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 606 {
<> 144:ef7eb2e8f9f7 607 OB->WRP1 &= WRP1_Data;
<> 144:ef7eb2e8f9f7 608
<> 144:ef7eb2e8f9f7 609 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 610 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 611 }
<> 144:ef7eb2e8f9f7 612 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 613
<> 144:ef7eb2e8f9f7 614 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 615 if((status == HAL_OK) && (WRP2_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 616 {
<> 144:ef7eb2e8f9f7 617 OB->WRP2 &= WRP2_Data;
<> 144:ef7eb2e8f9f7 618
<> 144:ef7eb2e8f9f7 619 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 620 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 621 }
<> 144:ef7eb2e8f9f7 622 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 623
<> 144:ef7eb2e8f9f7 624 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 625 if((status == HAL_OK) && (WRP3_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 626 {
<> 144:ef7eb2e8f9f7 627 OB->WRP3 &= WRP3_Data;
<> 144:ef7eb2e8f9f7 628
<> 144:ef7eb2e8f9f7 629 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 630 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 631 }
<> 144:ef7eb2e8f9f7 632 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 633
<> 144:ef7eb2e8f9f7 634 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 635 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 636 }
<> 144:ef7eb2e8f9f7 637 }
<> 144:ef7eb2e8f9f7 638
<> 144:ef7eb2e8f9f7 639 return status;
<> 144:ef7eb2e8f9f7 640 }
<> 144:ef7eb2e8f9f7 641
<> 144:ef7eb2e8f9f7 642 /**
<> 144:ef7eb2e8f9f7 643 * @brief Disable the write protection of the desired pages
<> 144:ef7eb2e8f9f7 644 * @note An option byte erase is done automatically in this function.
<> 144:ef7eb2e8f9f7 645 * @note When the memory read protection level is selected (RDP level = 1),
<> 144:ef7eb2e8f9f7 646 * it is not possible to program or erase the flash page i if
<> 144:ef7eb2e8f9f7 647 * debug features are connected or boot code is executed in RAM, even if nWRPi = 1
<> 144:ef7eb2e8f9f7 648 *
<> 144:ef7eb2e8f9f7 649 * @param WriteProtectPage specifies the page(s) to be write unprotected.
<> 144:ef7eb2e8f9f7 650 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 651 * @retval HAL status
<> 144:ef7eb2e8f9f7 652 */
<> 144:ef7eb2e8f9f7 653 static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage)
<> 144:ef7eb2e8f9f7 654 {
<> 144:ef7eb2e8f9f7 655 HAL_StatusTypeDef status = HAL_OK;
<> 156:95d6b41a828b 656 uint16_t WRP0_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 657 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 658 uint16_t WRP1_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 659 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 660 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 661 uint16_t WRP2_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 662 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 663 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 664 uint16_t WRP3_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 665 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 666
<> 144:ef7eb2e8f9f7 667 /* Check the parameters */
<> 144:ef7eb2e8f9f7 668 assert_param(IS_OB_WRP(WriteProtectPage));
<> 144:ef7eb2e8f9f7 669
<> 144:ef7eb2e8f9f7 670 /* Get current write protected pages and the new pages to be unprotected ******/
<> 144:ef7eb2e8f9f7 671 WriteProtectPage = (FLASH_OB_GetWRP() | WriteProtectPage);
<> 144:ef7eb2e8f9f7 672
<> 144:ef7eb2e8f9f7 673 #if defined(OB_WRP_PAGES0TO15MASK)
<> 144:ef7eb2e8f9f7 674 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK);
<> 144:ef7eb2e8f9f7 675 #elif defined(OB_WRP_PAGES0TO31MASK)
<> 144:ef7eb2e8f9f7 676 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK);
<> 144:ef7eb2e8f9f7 677 #endif /* OB_WRP_PAGES0TO31MASK */
<> 144:ef7eb2e8f9f7 678
<> 144:ef7eb2e8f9f7 679 #if defined(OB_WRP_PAGES16TO31MASK)
<> 156:95d6b41a828b 680 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8U);
<> 144:ef7eb2e8f9f7 681 #elif defined(OB_WRP_PAGES32TO63MASK)
<> 156:95d6b41a828b 682 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8U);
<> 144:ef7eb2e8f9f7 683 #endif /* OB_WRP_PAGES32TO63MASK */
<> 144:ef7eb2e8f9f7 684
<> 144:ef7eb2e8f9f7 685 #if defined(OB_WRP_PAGES32TO47MASK)
<> 156:95d6b41a828b 686 WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16U);
<> 144:ef7eb2e8f9f7 687 #endif /* OB_WRP_PAGES32TO47MASK */
<> 144:ef7eb2e8f9f7 688
<> 144:ef7eb2e8f9f7 689 #if defined(OB_WRP_PAGES48TO63MASK)
<> 156:95d6b41a828b 690 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO63MASK) >> 24U);
<> 144:ef7eb2e8f9f7 691 #elif defined(OB_WRP_PAGES48TO127MASK)
<> 156:95d6b41a828b 692 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24U);
<> 144:ef7eb2e8f9f7 693 #endif /* OB_WRP_PAGES48TO63MASK */
<> 144:ef7eb2e8f9f7 694
<> 144:ef7eb2e8f9f7 695
<> 144:ef7eb2e8f9f7 696 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 697 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 698
<> 144:ef7eb2e8f9f7 699 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 700 {
<> 144:ef7eb2e8f9f7 701 /* Clean the error context */
<> 144:ef7eb2e8f9f7 702 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 703
<> 144:ef7eb2e8f9f7 704 /* To be able to write again option byte, need to perform a option byte erase */
<> 144:ef7eb2e8f9f7 705 status = HAL_FLASHEx_OBErase();
<> 144:ef7eb2e8f9f7 706 if (status == HAL_OK)
<> 144:ef7eb2e8f9f7 707 {
<> 144:ef7eb2e8f9f7 708 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 709
<> 144:ef7eb2e8f9f7 710 #if defined(OB_WRP0_WRP0)
<> 156:95d6b41a828b 711 if(WRP0_Data != 0xFFU)
<> 144:ef7eb2e8f9f7 712 {
<> 144:ef7eb2e8f9f7 713 OB->WRP0 |= WRP0_Data;
<> 144:ef7eb2e8f9f7 714
<> 144:ef7eb2e8f9f7 715 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 716 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 717 }
<> 144:ef7eb2e8f9f7 718 #endif /* OB_WRP0_WRP0 */
<> 144:ef7eb2e8f9f7 719
<> 144:ef7eb2e8f9f7 720 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 721 if((status == HAL_OK) && (WRP1_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 722 {
<> 144:ef7eb2e8f9f7 723 OB->WRP1 |= WRP1_Data;
<> 144:ef7eb2e8f9f7 724
<> 144:ef7eb2e8f9f7 725 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 726 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 727 }
<> 144:ef7eb2e8f9f7 728 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 729
<> 144:ef7eb2e8f9f7 730 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 731 if((status == HAL_OK) && (WRP2_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 732 {
<> 144:ef7eb2e8f9f7 733 OB->WRP2 |= WRP2_Data;
<> 144:ef7eb2e8f9f7 734
<> 144:ef7eb2e8f9f7 735 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 736 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 737 }
<> 144:ef7eb2e8f9f7 738 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 739
<> 144:ef7eb2e8f9f7 740 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 741 if((status == HAL_OK) && (WRP3_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 742 {
<> 144:ef7eb2e8f9f7 743 OB->WRP3 |= WRP3_Data;
<> 144:ef7eb2e8f9f7 744
<> 144:ef7eb2e8f9f7 745 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 746 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 747 }
<> 144:ef7eb2e8f9f7 748 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 749
<> 144:ef7eb2e8f9f7 750 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 751 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 752 }
<> 144:ef7eb2e8f9f7 753 }
<> 144:ef7eb2e8f9f7 754 return status;
<> 144:ef7eb2e8f9f7 755 }
<> 144:ef7eb2e8f9f7 756
<> 144:ef7eb2e8f9f7 757 /**
<> 144:ef7eb2e8f9f7 758 * @brief Set the read protection level.
<> 144:ef7eb2e8f9f7 759 * @param ReadProtectLevel specifies the read protection level.
<> 144:ef7eb2e8f9f7 760 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 761 * @arg @ref OB_RDP_LEVEL_0 No protection
<> 144:ef7eb2e8f9f7 762 * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory
<> 144:ef7eb2e8f9f7 763 * @arg @ref OB_RDP_LEVEL_2 Full chip protection
<> 144:ef7eb2e8f9f7 764 * @note Warning: When enabling OB_RDP level 2 it's no more possible to go back to level 1 or 0
<> 144:ef7eb2e8f9f7 765 * @retval HAL status
<> 144:ef7eb2e8f9f7 766 */
<> 144:ef7eb2e8f9f7 767 static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel)
<> 144:ef7eb2e8f9f7 768 {
<> 144:ef7eb2e8f9f7 769 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 770
<> 144:ef7eb2e8f9f7 771 /* Check the parameters */
<> 144:ef7eb2e8f9f7 772 assert_param(IS_OB_RDP_LEVEL(ReadProtectLevel));
<> 144:ef7eb2e8f9f7 773
<> 144:ef7eb2e8f9f7 774 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 775 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 776
<> 144:ef7eb2e8f9f7 777 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 778 {
<> 144:ef7eb2e8f9f7 779 /* Clean the error context */
<> 144:ef7eb2e8f9f7 780 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 781
<> 144:ef7eb2e8f9f7 782 /* If the previous operation is completed, proceed to erase the option bytes */
<> 144:ef7eb2e8f9f7 783 SET_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 784 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 785
<> 144:ef7eb2e8f9f7 786 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 787 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 788
<> 144:ef7eb2e8f9f7 789 /* If the erase operation is completed, disable the OPTER Bit */
<> 144:ef7eb2e8f9f7 790 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 791
<> 144:ef7eb2e8f9f7 792 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 793 {
<> 144:ef7eb2e8f9f7 794 /* Enable the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 795 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 796
<> 144:ef7eb2e8f9f7 797 WRITE_REG(OB->RDP, ReadProtectLevel);
<> 144:ef7eb2e8f9f7 798
<> 144:ef7eb2e8f9f7 799 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 800 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 801
<> 144:ef7eb2e8f9f7 802 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 803 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 804 }
<> 144:ef7eb2e8f9f7 805 }
<> 144:ef7eb2e8f9f7 806
<> 144:ef7eb2e8f9f7 807 return status;
<> 144:ef7eb2e8f9f7 808 }
<> 144:ef7eb2e8f9f7 809
<> 144:ef7eb2e8f9f7 810 /**
<> 144:ef7eb2e8f9f7 811 * @brief Program the FLASH User Option Byte.
<> 144:ef7eb2e8f9f7 812 * @note Programming of the OB should be performed only after an erase (otherwise PGERR occurs)
<> 144:ef7eb2e8f9f7 813 * @param UserConfig The FLASH User Option Bytes values: IWDG_SW(Bit0), RST_STOP(Bit1), RST_STDBY(Bit2), nBOOT1(Bit4),
<> 144:ef7eb2e8f9f7 814 * VDDA_Analog_Monitoring(Bit5) and SRAM_Parity_Enable(Bit6).
<> 144:ef7eb2e8f9f7 815 * For few devices, following option bytes are available: nBOOT0(Bit3) & BOOT_SEL(Bit7).
<> 144:ef7eb2e8f9f7 816 * @retval HAL status
<> 144:ef7eb2e8f9f7 817 */
<> 144:ef7eb2e8f9f7 818 static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig)
<> 144:ef7eb2e8f9f7 819 {
<> 144:ef7eb2e8f9f7 820 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 821
<> 144:ef7eb2e8f9f7 822 /* Check the parameters */
<> 144:ef7eb2e8f9f7 823 assert_param(IS_OB_IWDG_SOURCE((UserConfig&OB_IWDG_SW)));
<> 144:ef7eb2e8f9f7 824 assert_param(IS_OB_STOP_SOURCE((UserConfig&OB_STOP_NO_RST)));
<> 144:ef7eb2e8f9f7 825 assert_param(IS_OB_STDBY_SOURCE((UserConfig&OB_STDBY_NO_RST)));
<> 144:ef7eb2e8f9f7 826 assert_param(IS_OB_BOOT1((UserConfig&OB_BOOT1_SET)));
<> 144:ef7eb2e8f9f7 827 assert_param(IS_OB_VDDA_ANALOG((UserConfig&OB_VDDA_ANALOG_ON)));
<> 144:ef7eb2e8f9f7 828 assert_param(IS_OB_SRAM_PARITY((UserConfig&OB_SRAM_PARITY_RESET)));
<> 144:ef7eb2e8f9f7 829 #if defined(FLASH_OBR_BOOT_SEL)
<> 144:ef7eb2e8f9f7 830 assert_param(IS_OB_BOOT_SEL((UserConfig&OB_BOOT_SEL_SET)));
<> 144:ef7eb2e8f9f7 831 assert_param(IS_OB_BOOT0((UserConfig&OB_BOOT0_SET)));
<> 144:ef7eb2e8f9f7 832 #endif /* FLASH_OBR_BOOT_SEL */
<> 144:ef7eb2e8f9f7 833
<> 144:ef7eb2e8f9f7 834 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 835 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 836
<> 144:ef7eb2e8f9f7 837 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 838 {
<> 144:ef7eb2e8f9f7 839 /* Clean the error context */
<> 144:ef7eb2e8f9f7 840 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 841
<> 144:ef7eb2e8f9f7 842 /* Enable the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 843 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 844
<> 144:ef7eb2e8f9f7 845 #if defined(FLASH_OBR_BOOT_SEL)
<> 144:ef7eb2e8f9f7 846 OB->USER = UserConfig;
<> 144:ef7eb2e8f9f7 847 #else
<> 156:95d6b41a828b 848 OB->USER = (UserConfig | 0x88U);
<> 144:ef7eb2e8f9f7 849 #endif
<> 144:ef7eb2e8f9f7 850
<> 144:ef7eb2e8f9f7 851 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 852 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 853
<> 144:ef7eb2e8f9f7 854 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 855 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 856 }
<> 144:ef7eb2e8f9f7 857
<> 144:ef7eb2e8f9f7 858 return status;
<> 144:ef7eb2e8f9f7 859 }
<> 144:ef7eb2e8f9f7 860
<> 144:ef7eb2e8f9f7 861 /**
<> 144:ef7eb2e8f9f7 862 * @brief Programs a half word at a specified Option Byte Data address.
<> 144:ef7eb2e8f9f7 863 * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 864 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 865 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 866 * (system reset will occur)
<> 144:ef7eb2e8f9f7 867 * Programming of the OB should be performed only after an erase (otherwise PGERR occurs)
<> 144:ef7eb2e8f9f7 868 * @param Address specifies the address to be programmed.
<> 144:ef7eb2e8f9f7 869 * This parameter can be 0x1FFFF804 or 0x1FFFF806.
<> 144:ef7eb2e8f9f7 870 * @param Data specifies the data to be programmed.
<> 144:ef7eb2e8f9f7 871 * @retval HAL status
<> 144:ef7eb2e8f9f7 872 */
<> 144:ef7eb2e8f9f7 873 static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data)
<> 144:ef7eb2e8f9f7 874 {
<> 144:ef7eb2e8f9f7 875 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 876
<> 144:ef7eb2e8f9f7 877 /* Check the parameters */
<> 144:ef7eb2e8f9f7 878 assert_param(IS_OB_DATA_ADDRESS(Address));
<> 144:ef7eb2e8f9f7 879
<> 144:ef7eb2e8f9f7 880 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 881 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 882
<> 144:ef7eb2e8f9f7 883 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 884 {
<> 144:ef7eb2e8f9f7 885 /* Clean the error context */
<> 144:ef7eb2e8f9f7 886 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 887
<> 144:ef7eb2e8f9f7 888 /* Enables the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 889 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 890 *(__IO uint16_t*)Address = Data;
<> 144:ef7eb2e8f9f7 891
<> 144:ef7eb2e8f9f7 892 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 893 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 894
<> 144:ef7eb2e8f9f7 895 /* If the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 896 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 897 }
<> 144:ef7eb2e8f9f7 898 /* Return the Option Byte Data Program Status */
<> 144:ef7eb2e8f9f7 899 return status;
<> 144:ef7eb2e8f9f7 900 }
<> 144:ef7eb2e8f9f7 901
<> 144:ef7eb2e8f9f7 902 /**
<> 144:ef7eb2e8f9f7 903 * @brief Return the FLASH Write Protection Option Bytes value.
<> 144:ef7eb2e8f9f7 904 * @retval The FLASH Write Protection Option Bytes value
<> 144:ef7eb2e8f9f7 905 */
<> 144:ef7eb2e8f9f7 906 static uint32_t FLASH_OB_GetWRP(void)
<> 144:ef7eb2e8f9f7 907 {
<> 144:ef7eb2e8f9f7 908 /* Return the FLASH write protection Register value */
<> 144:ef7eb2e8f9f7 909 return (uint32_t)(READ_REG(FLASH->WRPR));
<> 144:ef7eb2e8f9f7 910 }
<> 144:ef7eb2e8f9f7 911
<> 144:ef7eb2e8f9f7 912 /**
<> 144:ef7eb2e8f9f7 913 * @brief Returns the FLASH Read Protection level.
<> 144:ef7eb2e8f9f7 914 * @retval FLASH RDP level
<> 144:ef7eb2e8f9f7 915 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 916 * @arg @ref OB_RDP_LEVEL_0 No protection
<> 144:ef7eb2e8f9f7 917 * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory
<> 144:ef7eb2e8f9f7 918 * @arg @ref OB_RDP_LEVEL_2 Full chip protection
<> 144:ef7eb2e8f9f7 919 */
<> 144:ef7eb2e8f9f7 920 static uint32_t FLASH_OB_GetRDP(void)
<> 144:ef7eb2e8f9f7 921 {
Anna Bridge 180:96ed750bd169 922 uint32_t tmp_reg = 0U;
<> 144:ef7eb2e8f9f7 923
<> 144:ef7eb2e8f9f7 924 /* Read RDP level bits */
<> 144:ef7eb2e8f9f7 925 tmp_reg = READ_BIT(FLASH->OBR, (FLASH_OBR_RDPRT1 | FLASH_OBR_RDPRT2));
<> 144:ef7eb2e8f9f7 926
<> 144:ef7eb2e8f9f7 927 if (tmp_reg == FLASH_OBR_RDPRT1)
<> 144:ef7eb2e8f9f7 928 {
Anna Bridge 180:96ed750bd169 929 return OB_RDP_LEVEL_1;
<> 144:ef7eb2e8f9f7 930 }
<> 144:ef7eb2e8f9f7 931 else if (tmp_reg == FLASH_OBR_RDPRT2)
<> 144:ef7eb2e8f9f7 932 {
Anna Bridge 180:96ed750bd169 933 return OB_RDP_LEVEL_2;
<> 144:ef7eb2e8f9f7 934 }
<> 144:ef7eb2e8f9f7 935 else
<> 144:ef7eb2e8f9f7 936 {
Anna Bridge 180:96ed750bd169 937 return OB_RDP_LEVEL_0;
<> 144:ef7eb2e8f9f7 938 }
<> 144:ef7eb2e8f9f7 939 }
<> 144:ef7eb2e8f9f7 940
<> 144:ef7eb2e8f9f7 941 /**
<> 144:ef7eb2e8f9f7 942 * @brief Return the FLASH User Option Byte value.
<> 144:ef7eb2e8f9f7 943 * @retval The FLASH User Option Bytes values: IWDG_SW(Bit0), RST_STOP(Bit1), RST_STDBY(Bit2), nBOOT1(Bit4),
<> 144:ef7eb2e8f9f7 944 * VDDA_Analog_Monitoring(Bit5) and SRAM_Parity_Enable(Bit6).
<> 144:ef7eb2e8f9f7 945 * For few devices, following option bytes are available: nBOOT0(Bit3) & BOOT_SEL(Bit7).
<> 144:ef7eb2e8f9f7 946 */
<> 144:ef7eb2e8f9f7 947 static uint8_t FLASH_OB_GetUser(void)
<> 144:ef7eb2e8f9f7 948 {
<> 144:ef7eb2e8f9f7 949 /* Return the User Option Byte */
<> 144:ef7eb2e8f9f7 950 return (uint8_t)((READ_REG(FLASH->OBR) & FLASH_OBR_USER) >> FLASH_POSITION_IWDGSW_BIT);
<> 144:ef7eb2e8f9f7 951 }
<> 144:ef7eb2e8f9f7 952
<> 144:ef7eb2e8f9f7 953 /**
<> 144:ef7eb2e8f9f7 954 * @}
<> 144:ef7eb2e8f9f7 955 */
<> 144:ef7eb2e8f9f7 956
<> 144:ef7eb2e8f9f7 957 /**
<> 144:ef7eb2e8f9f7 958 * @}
<> 144:ef7eb2e8f9f7 959 */
<> 144:ef7eb2e8f9f7 960
<> 144:ef7eb2e8f9f7 961 /** @addtogroup FLASH
<> 144:ef7eb2e8f9f7 962 * @{
<> 144:ef7eb2e8f9f7 963 */
<> 144:ef7eb2e8f9f7 964
<> 144:ef7eb2e8f9f7 965 /** @addtogroup FLASH_Private_Functions
<> 144:ef7eb2e8f9f7 966 * @{
<> 144:ef7eb2e8f9f7 967 */
<> 144:ef7eb2e8f9f7 968
<> 144:ef7eb2e8f9f7 969 /**
<> 144:ef7eb2e8f9f7 970 * @brief Erase the specified FLASH memory page
<> 144:ef7eb2e8f9f7 971 * @param PageAddress FLASH page to erase
<> 144:ef7eb2e8f9f7 972 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 973 *
<> 144:ef7eb2e8f9f7 974 * @retval None
<> 144:ef7eb2e8f9f7 975 */
<> 144:ef7eb2e8f9f7 976 void FLASH_PageErase(uint32_t PageAddress)
<> 144:ef7eb2e8f9f7 977 {
<> 144:ef7eb2e8f9f7 978 /* Clean the error context */
<> 144:ef7eb2e8f9f7 979 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 980
<> 144:ef7eb2e8f9f7 981 /* Proceed to erase the page */
<> 144:ef7eb2e8f9f7 982 SET_BIT(FLASH->CR, FLASH_CR_PER);
<> 144:ef7eb2e8f9f7 983 WRITE_REG(FLASH->AR, PageAddress);
<> 144:ef7eb2e8f9f7 984 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 985 }
<> 144:ef7eb2e8f9f7 986
<> 144:ef7eb2e8f9f7 987 /**
<> 144:ef7eb2e8f9f7 988 * @}
<> 144:ef7eb2e8f9f7 989 */
<> 144:ef7eb2e8f9f7 990
<> 144:ef7eb2e8f9f7 991 /**
<> 144:ef7eb2e8f9f7 992 * @}
<> 144:ef7eb2e8f9f7 993 */
<> 144:ef7eb2e8f9f7 994
<> 144:ef7eb2e8f9f7 995 #endif /* HAL_FLASH_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 996 /**
<> 144:ef7eb2e8f9f7 997 * @}
<> 144:ef7eb2e8f9f7 998 */
<> 144:ef7eb2e8f9f7 999
<> 144:ef7eb2e8f9f7 1000 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/