mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

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targets/TARGET_STM/TARGET_STM32F0/device/stm32f0xx_hal_flash_ex.c@156:95d6b41a828b, 2017-01-16 (annotated)

Committer:
<>
Date:
Mon Jan 16 15:03:32 2017 +0000
Revision:
156:95d6b41a828b
Parent:
149:156823d33999
Child:
180:96ed750bd169
This updates the lib to the mbed lib v134

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
<> 156:95d6b41a828b 5 * @version V1.5.0
<> 156:95d6b41a828b 6 * @date 04-November-2016
<> 144:ef7eb2e8f9f7 7 * @brief Extended FLASH HAL module driver.
<> 144:ef7eb2e8f9f7 8 *
<> 144:ef7eb2e8f9f7 9 * This file provides firmware functions to manage the following
<> 144:ef7eb2e8f9f7 10 * functionalities of the FLASH peripheral:
<> 144:ef7eb2e8f9f7 11 * + Extended Initialization/de-initialization functions
<> 144:ef7eb2e8f9f7 12 * + Extended I/O operation functions
<> 144:ef7eb2e8f9f7 13 * + Extended Peripheral Control functions
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 @verbatim
<> 144:ef7eb2e8f9f7 16 ==============================================================================
<> 144:ef7eb2e8f9f7 17 ##### Flash peripheral extended features #####
<> 144:ef7eb2e8f9f7 18 ==============================================================================
<> 144:ef7eb2e8f9f7 19
<> 144:ef7eb2e8f9f7 20 ##### How to use this driver #####
<> 144:ef7eb2e8f9f7 21 ==============================================================================
<> 144:ef7eb2e8f9f7 22 [..] This driver provides functions to configure and program the FLASH memory
<> 144:ef7eb2e8f9f7 23 of all STM32F0xxx devices. It includes
<> 144:ef7eb2e8f9f7 24
<> 144:ef7eb2e8f9f7 25 (++) Set/Reset the write protection
<> 144:ef7eb2e8f9f7 26 (++) Program the user Option Bytes
<> 144:ef7eb2e8f9f7 27 (++) Get the Read protection Level
<> 144:ef7eb2e8f9f7 28
<> 144:ef7eb2e8f9f7 29 @endverbatim
<> 144:ef7eb2e8f9f7 30 ******************************************************************************
<> 144:ef7eb2e8f9f7 31 * @attention
<> 144:ef7eb2e8f9f7 32 *
<> 144:ef7eb2e8f9f7 33 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
<> 144:ef7eb2e8f9f7 34 *
<> 144:ef7eb2e8f9f7 35 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 36 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 37 * 1. Redistributions of source code must retain the above copyright notice,
<> 144:ef7eb2e8f9f7 38 * this list of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 39 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 144:ef7eb2e8f9f7 40 * this list of conditions and the following disclaimer in the documentation
<> 144:ef7eb2e8f9f7 41 * and/or other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 42 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 144:ef7eb2e8f9f7 43 * may be used to endorse or promote products derived from this software
<> 144:ef7eb2e8f9f7 44 * without specific prior written permission.
<> 144:ef7eb2e8f9f7 45 *
<> 144:ef7eb2e8f9f7 46 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 144:ef7eb2e8f9f7 47 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 144:ef7eb2e8f9f7 48 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 49 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 144:ef7eb2e8f9f7 50 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 144:ef7eb2e8f9f7 51 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 144:ef7eb2e8f9f7 52 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 144:ef7eb2e8f9f7 53 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 144:ef7eb2e8f9f7 54 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 144:ef7eb2e8f9f7 55 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 56 *
<> 144:ef7eb2e8f9f7 57 ******************************************************************************
<> 144:ef7eb2e8f9f7 58 */
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /* Includes ------------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 61 #include "stm32f0xx_hal.h"
<> 144:ef7eb2e8f9f7 62
<> 144:ef7eb2e8f9f7 63 /** @addtogroup STM32F0xx_HAL_Driver
<> 144:ef7eb2e8f9f7 64 * @{
<> 144:ef7eb2e8f9f7 65 */
<> 144:ef7eb2e8f9f7 66 #ifdef HAL_FLASH_MODULE_ENABLED
<> 144:ef7eb2e8f9f7 67
<> 144:ef7eb2e8f9f7 68 /** @addtogroup FLASH
<> 144:ef7eb2e8f9f7 69 * @{
<> 144:ef7eb2e8f9f7 70 */
<> 144:ef7eb2e8f9f7 71 /** @addtogroup FLASH_Private_Variables
<> 144:ef7eb2e8f9f7 72 * @{
<> 144:ef7eb2e8f9f7 73 */
<> 144:ef7eb2e8f9f7 74 /* Variables used for Erase pages under interruption*/
<> 144:ef7eb2e8f9f7 75 extern FLASH_ProcessTypeDef pFlash;
<> 144:ef7eb2e8f9f7 76 /**
<> 144:ef7eb2e8f9f7 77 * @}
<> 144:ef7eb2e8f9f7 78 */
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 /**
<> 144:ef7eb2e8f9f7 81 * @}
<> 144:ef7eb2e8f9f7 82 */
<> 144:ef7eb2e8f9f7 83
<> 144:ef7eb2e8f9f7 84 /** @defgroup FLASHEx FLASHEx
<> 144:ef7eb2e8f9f7 85 * @brief FLASH HAL Extension module driver
<> 144:ef7eb2e8f9f7 86 * @{
<> 144:ef7eb2e8f9f7 87 */
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 /* Private typedef -----------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 90 /* Private define ------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 91 /** @defgroup FLASHEx_Private_Constants FLASHEx Private Constants
<> 144:ef7eb2e8f9f7 92 * @{
<> 144:ef7eb2e8f9f7 93 */
<> 156:95d6b41a828b 94 #define FLASH_POSITION_IWDGSW_BIT 8U
<> 156:95d6b41a828b 95 #define FLASH_POSITION_OB_USERDATA0_BIT 16U
<> 156:95d6b41a828b 96 #define FLASH_POSITION_OB_USERDATA1_BIT 24U
<> 144:ef7eb2e8f9f7 97 /**
<> 144:ef7eb2e8f9f7 98 * @}
<> 144:ef7eb2e8f9f7 99 */
<> 144:ef7eb2e8f9f7 100
<> 144:ef7eb2e8f9f7 101 /* Private macro -------------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 102 /** @defgroup FLASHEx_Private_Macros FLASHEx Private Macros
<> 144:ef7eb2e8f9f7 103 * @{
<> 144:ef7eb2e8f9f7 104 */
<> 144:ef7eb2e8f9f7 105 /**
<> 144:ef7eb2e8f9f7 106 * @}
<> 144:ef7eb2e8f9f7 107 */
<> 144:ef7eb2e8f9f7 108
<> 144:ef7eb2e8f9f7 109 /* Private variables ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 110 /* Private function prototypes -----------------------------------------------*/
<> 144:ef7eb2e8f9f7 111 /** @defgroup FLASHEx_Private_Functions FLASHEx Private Functions
<> 144:ef7eb2e8f9f7 112 * @{
<> 144:ef7eb2e8f9f7 113 */
<> 144:ef7eb2e8f9f7 114 /* Erase operations */
<> 144:ef7eb2e8f9f7 115 static void FLASH_MassErase(void);
<> 144:ef7eb2e8f9f7 116 void FLASH_PageErase(uint32_t PageAddress);
<> 144:ef7eb2e8f9f7 117
<> 144:ef7eb2e8f9f7 118 /* Option bytes control */
<> 144:ef7eb2e8f9f7 119 static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage);
<> 144:ef7eb2e8f9f7 120 static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage);
<> 144:ef7eb2e8f9f7 121 static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel);
<> 144:ef7eb2e8f9f7 122 static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig);
<> 144:ef7eb2e8f9f7 123 static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data);
<> 144:ef7eb2e8f9f7 124 static uint32_t FLASH_OB_GetWRP(void);
<> 144:ef7eb2e8f9f7 125 static uint32_t FLASH_OB_GetRDP(void);
<> 144:ef7eb2e8f9f7 126 static uint8_t FLASH_OB_GetUser(void);
<> 144:ef7eb2e8f9f7 127
<> 144:ef7eb2e8f9f7 128 /**
<> 144:ef7eb2e8f9f7 129 * @}
<> 144:ef7eb2e8f9f7 130 */
<> 144:ef7eb2e8f9f7 131
<> 144:ef7eb2e8f9f7 132 /* Exported functions ---------------------------------------------------------*/
<> 144:ef7eb2e8f9f7 133 /** @defgroup FLASHEx_Exported_Functions FLASHEx Exported Functions
<> 144:ef7eb2e8f9f7 134 * @{
<> 144:ef7eb2e8f9f7 135 */
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 /** @defgroup FLASHEx_Exported_Functions_Group1 FLASHEx Memory Erasing functions
<> 144:ef7eb2e8f9f7 138 * @brief FLASH Memory Erasing functions
<> 144:ef7eb2e8f9f7 139 *
<> 144:ef7eb2e8f9f7 140 @verbatim
<> 144:ef7eb2e8f9f7 141 ==============================================================================
<> 144:ef7eb2e8f9f7 142 ##### FLASH Erasing Programming functions #####
<> 144:ef7eb2e8f9f7 143 ==============================================================================
<> 144:ef7eb2e8f9f7 144
<> 144:ef7eb2e8f9f7 145 [..] The FLASH Memory Erasing functions, includes the following functions:
<> 144:ef7eb2e8f9f7 146 (+) @ref HAL_FLASHEx_Erase: return only when erase has been done
<> 144:ef7eb2e8f9f7 147 (+) @ref HAL_FLASHEx_Erase_IT: end of erase is done when @ref HAL_FLASH_EndOfOperationCallback
<> 144:ef7eb2e8f9f7 148 is called with parameter 0xFFFFFFFF
<> 144:ef7eb2e8f9f7 149
<> 144:ef7eb2e8f9f7 150 [..] Any operation of erase should follow these steps:
<> 144:ef7eb2e8f9f7 151 (#) Call the @ref HAL_FLASH_Unlock() function to enable the flash control register and
<> 144:ef7eb2e8f9f7 152 program memory access.
<> 144:ef7eb2e8f9f7 153 (#) Call the desired function to erase page.
<> 144:ef7eb2e8f9f7 154 (#) Call the @ref HAL_FLASH_Lock() to disable the flash program memory access
<> 144:ef7eb2e8f9f7 155 (recommended to protect the FLASH memory against possible unwanted operation).
<> 144:ef7eb2e8f9f7 156
<> 144:ef7eb2e8f9f7 157 @endverbatim
<> 144:ef7eb2e8f9f7 158 * @{
<> 144:ef7eb2e8f9f7 159 */
<> 144:ef7eb2e8f9f7 160
<> 144:ef7eb2e8f9f7 161
<> 144:ef7eb2e8f9f7 162 /**
<> 144:ef7eb2e8f9f7 163 * @brief Perform a mass erase or erase the specified FLASH memory pages
<> 144:ef7eb2e8f9f7 164 * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function
<> 144:ef7eb2e8f9f7 165 * must be called before.
<> 144:ef7eb2e8f9f7 166 * Call the @ref HAL_FLASH_Lock() to disable the flash memory access
<> 144:ef7eb2e8f9f7 167 * (recommended to protect the FLASH memory against possible unwanted operation)
<> 144:ef7eb2e8f9f7 168 * @param[in] pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
<> 144:ef7eb2e8f9f7 169 * contains the configuration information for the erasing.
<> 144:ef7eb2e8f9f7 170 *
<> 144:ef7eb2e8f9f7 171 * @param[out] PageError pointer to variable that
<> 144:ef7eb2e8f9f7 172 * contains the configuration information on faulty page in case of error
<> 144:ef7eb2e8f9f7 173 * (0xFFFFFFFF means that all the pages have been correctly erased)
<> 144:ef7eb2e8f9f7 174 *
<> 144:ef7eb2e8f9f7 175 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 176 */
<> 144:ef7eb2e8f9f7 177 HAL_StatusTypeDef HAL_FLASHEx_Erase(FLASH_EraseInitTypeDef *pEraseInit, uint32_t *PageError)
<> 144:ef7eb2e8f9f7 178 {
<> 144:ef7eb2e8f9f7 179 HAL_StatusTypeDef status = HAL_ERROR;
<> 156:95d6b41a828b 180 uint32_t address = 0U;
<> 144:ef7eb2e8f9f7 181
<> 144:ef7eb2e8f9f7 182 /* Process Locked */
<> 144:ef7eb2e8f9f7 183 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 184
<> 144:ef7eb2e8f9f7 185 /* Check the parameters */
<> 144:ef7eb2e8f9f7 186 assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
<> 144:ef7eb2e8f9f7 187
<> 144:ef7eb2e8f9f7 188 if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
<> 144:ef7eb2e8f9f7 189 {
<> 144:ef7eb2e8f9f7 190 /* Mass Erase requested for Bank1 */
<> 144:ef7eb2e8f9f7 191 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 192 if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
<> 144:ef7eb2e8f9f7 193 {
<> 144:ef7eb2e8f9f7 194 /*Mass erase to be done*/
<> 144:ef7eb2e8f9f7 195 FLASH_MassErase();
<> 144:ef7eb2e8f9f7 196
<> 144:ef7eb2e8f9f7 197 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 198 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 199
<> 144:ef7eb2e8f9f7 200 /* If the erase operation is completed, disable the MER Bit */
<> 144:ef7eb2e8f9f7 201 CLEAR_BIT(FLASH->CR, FLASH_CR_MER);
<> 144:ef7eb2e8f9f7 202 }
<> 144:ef7eb2e8f9f7 203 }
<> 144:ef7eb2e8f9f7 204 else
<> 144:ef7eb2e8f9f7 205 {
<> 144:ef7eb2e8f9f7 206 /* Page Erase is requested */
<> 144:ef7eb2e8f9f7 207 /* Check the parameters */
<> 144:ef7eb2e8f9f7 208 assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
<> 144:ef7eb2e8f9f7 209 assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
<> 144:ef7eb2e8f9f7 210
<> 144:ef7eb2e8f9f7 211 /* Page Erase requested on address located on bank1 */
<> 144:ef7eb2e8f9f7 212 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 213 if (FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE) == HAL_OK)
<> 144:ef7eb2e8f9f7 214 {
<> 144:ef7eb2e8f9f7 215 /*Initialization of PageError variable*/
<> 144:ef7eb2e8f9f7 216 *PageError = 0xFFFFFFFFU;
<> 144:ef7eb2e8f9f7 217
<> 144:ef7eb2e8f9f7 218 /* Erase page by page to be done*/
<> 144:ef7eb2e8f9f7 219 for(address = pEraseInit->PageAddress;
<> 144:ef7eb2e8f9f7 220 address < ((pEraseInit->NbPages * FLASH_PAGE_SIZE) + pEraseInit->PageAddress);
<> 144:ef7eb2e8f9f7 221 address += FLASH_PAGE_SIZE)
<> 144:ef7eb2e8f9f7 222 {
<> 144:ef7eb2e8f9f7 223 FLASH_PageErase(address);
<> 144:ef7eb2e8f9f7 224
<> 144:ef7eb2e8f9f7 225 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 226 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 227
<> 144:ef7eb2e8f9f7 228 /* If the erase operation is completed, disable the PER Bit */
<> 144:ef7eb2e8f9f7 229 CLEAR_BIT(FLASH->CR, FLASH_CR_PER);
<> 144:ef7eb2e8f9f7 230
<> 144:ef7eb2e8f9f7 231 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 232 {
<> 144:ef7eb2e8f9f7 233 /* In case of error, stop erase procedure and return the faulty address */
<> 144:ef7eb2e8f9f7 234 *PageError = address;
<> 144:ef7eb2e8f9f7 235 break;
<> 144:ef7eb2e8f9f7 236 }
<> 144:ef7eb2e8f9f7 237 }
<> 144:ef7eb2e8f9f7 238 }
<> 144:ef7eb2e8f9f7 239 }
<> 144:ef7eb2e8f9f7 240
<> 144:ef7eb2e8f9f7 241 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 242 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 243
<> 144:ef7eb2e8f9f7 244 return status;
<> 144:ef7eb2e8f9f7 245 }
<> 144:ef7eb2e8f9f7 246
<> 144:ef7eb2e8f9f7 247 /**
<> 144:ef7eb2e8f9f7 248 * @brief Perform a mass erase or erase the specified FLASH memory pages with interrupt enabled
<> 144:ef7eb2e8f9f7 249 * @note To correctly run this function, the @ref HAL_FLASH_Unlock() function
<> 144:ef7eb2e8f9f7 250 * must be called before.
<> 144:ef7eb2e8f9f7 251 * Call the @ref HAL_FLASH_Lock() to disable the flash memory access
<> 144:ef7eb2e8f9f7 252 * (recommended to protect the FLASH memory against possible unwanted operation)
<> 144:ef7eb2e8f9f7 253 * @param pEraseInit pointer to an FLASH_EraseInitTypeDef structure that
<> 144:ef7eb2e8f9f7 254 * contains the configuration information for the erasing.
<> 144:ef7eb2e8f9f7 255 *
<> 144:ef7eb2e8f9f7 256 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 257 */
<> 144:ef7eb2e8f9f7 258 HAL_StatusTypeDef HAL_FLASHEx_Erase_IT(FLASH_EraseInitTypeDef *pEraseInit)
<> 144:ef7eb2e8f9f7 259 {
<> 144:ef7eb2e8f9f7 260 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 261
<> 144:ef7eb2e8f9f7 262 /* Process Locked */
<> 144:ef7eb2e8f9f7 263 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 264
<> 144:ef7eb2e8f9f7 265 /* If procedure already ongoing, reject the next one */
<> 144:ef7eb2e8f9f7 266 if (pFlash.ProcedureOnGoing != FLASH_PROC_NONE)
<> 144:ef7eb2e8f9f7 267 {
<> 144:ef7eb2e8f9f7 268 return HAL_ERROR;
<> 144:ef7eb2e8f9f7 269 }
<> 144:ef7eb2e8f9f7 270
<> 144:ef7eb2e8f9f7 271 /* Check the parameters */
<> 144:ef7eb2e8f9f7 272 assert_param(IS_FLASH_TYPEERASE(pEraseInit->TypeErase));
<> 144:ef7eb2e8f9f7 273
<> 144:ef7eb2e8f9f7 274 /* Enable End of FLASH Operation and Error source interrupts */
<> 144:ef7eb2e8f9f7 275 __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP | FLASH_IT_ERR);
<> 144:ef7eb2e8f9f7 276
<> 144:ef7eb2e8f9f7 277 if (pEraseInit->TypeErase == FLASH_TYPEERASE_MASSERASE)
<> 144:ef7eb2e8f9f7 278 {
<> 144:ef7eb2e8f9f7 279 /*Mass erase to be done*/
<> 144:ef7eb2e8f9f7 280 pFlash.ProcedureOnGoing = FLASH_PROC_MASSERASE;
<> 144:ef7eb2e8f9f7 281 FLASH_MassErase();
<> 144:ef7eb2e8f9f7 282 }
<> 144:ef7eb2e8f9f7 283 else
<> 144:ef7eb2e8f9f7 284 {
<> 144:ef7eb2e8f9f7 285 /* Erase by page to be done*/
<> 144:ef7eb2e8f9f7 286
<> 144:ef7eb2e8f9f7 287 /* Check the parameters */
<> 144:ef7eb2e8f9f7 288 assert_param(IS_FLASH_PROGRAM_ADDRESS(pEraseInit->PageAddress));
<> 144:ef7eb2e8f9f7 289 assert_param(IS_FLASH_NB_PAGES(pEraseInit->PageAddress, pEraseInit->NbPages));
<> 144:ef7eb2e8f9f7 290
<> 144:ef7eb2e8f9f7 291 pFlash.ProcedureOnGoing = FLASH_PROC_PAGEERASE;
<> 144:ef7eb2e8f9f7 292 pFlash.DataRemaining = pEraseInit->NbPages;
<> 144:ef7eb2e8f9f7 293 pFlash.Address = pEraseInit->PageAddress;
<> 144:ef7eb2e8f9f7 294
<> 144:ef7eb2e8f9f7 295 /*Erase 1st page and wait for IT*/
<> 144:ef7eb2e8f9f7 296 FLASH_PageErase(pEraseInit->PageAddress);
<> 144:ef7eb2e8f9f7 297 }
<> 144:ef7eb2e8f9f7 298
<> 144:ef7eb2e8f9f7 299 return status;
<> 144:ef7eb2e8f9f7 300 }
<> 144:ef7eb2e8f9f7 301
<> 144:ef7eb2e8f9f7 302 /**
<> 144:ef7eb2e8f9f7 303 * @}
<> 144:ef7eb2e8f9f7 304 */
<> 144:ef7eb2e8f9f7 305
<> 144:ef7eb2e8f9f7 306 /** @defgroup FLASHEx_Exported_Functions_Group2 Option Bytes Programming functions
<> 144:ef7eb2e8f9f7 307 * @brief Option Bytes Programming functions
<> 144:ef7eb2e8f9f7 308 *
<> 144:ef7eb2e8f9f7 309 @verbatim
<> 144:ef7eb2e8f9f7 310 ==============================================================================
<> 144:ef7eb2e8f9f7 311 ##### Option Bytes Programming functions #####
<> 144:ef7eb2e8f9f7 312 ==============================================================================
<> 144:ef7eb2e8f9f7 313 [..]
<> 144:ef7eb2e8f9f7 314 This subsection provides a set of functions allowing to control the FLASH
<> 144:ef7eb2e8f9f7 315 option bytes operations.
<> 144:ef7eb2e8f9f7 316
<> 144:ef7eb2e8f9f7 317 @endverbatim
<> 144:ef7eb2e8f9f7 318 * @{
<> 144:ef7eb2e8f9f7 319 */
<> 144:ef7eb2e8f9f7 320
<> 144:ef7eb2e8f9f7 321 /**
<> 144:ef7eb2e8f9f7 322 * @brief Erases the FLASH option bytes.
<> 144:ef7eb2e8f9f7 323 * @note This functions erases all option bytes except the Read protection (RDP).
<> 144:ef7eb2e8f9f7 324 * The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 325 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 326 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 327 * (system reset will occur)
<> 144:ef7eb2e8f9f7 328 * @retval HAL status
<> 144:ef7eb2e8f9f7 329 */
<> 144:ef7eb2e8f9f7 330
<> 144:ef7eb2e8f9f7 331 HAL_StatusTypeDef HAL_FLASHEx_OBErase(void)
<> 144:ef7eb2e8f9f7 332 {
<> 144:ef7eb2e8f9f7 333 uint8_t rdptmp = OB_RDP_LEVEL_0;
<> 144:ef7eb2e8f9f7 334 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 335
<> 144:ef7eb2e8f9f7 336 /* Get the actual read protection Option Byte value */
<> 144:ef7eb2e8f9f7 337 rdptmp = FLASH_OB_GetRDP();
<> 144:ef7eb2e8f9f7 338
<> 144:ef7eb2e8f9f7 339 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 340 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 341
<> 144:ef7eb2e8f9f7 342 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 343 {
<> 144:ef7eb2e8f9f7 344 /* Clean the error context */
<> 144:ef7eb2e8f9f7 345 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 346
<> 144:ef7eb2e8f9f7 347 /* If the previous operation is completed, proceed to erase the option bytes */
<> 144:ef7eb2e8f9f7 348 SET_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 349 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 350
<> 144:ef7eb2e8f9f7 351 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 352 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 353
<> 144:ef7eb2e8f9f7 354 /* If the erase operation is completed, disable the OPTER Bit */
<> 144:ef7eb2e8f9f7 355 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 356
<> 144:ef7eb2e8f9f7 357 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 358 {
<> 144:ef7eb2e8f9f7 359 /* Restore the last read protection Option Byte value */
<> 144:ef7eb2e8f9f7 360 status = FLASH_OB_RDP_LevelConfig(rdptmp);
<> 144:ef7eb2e8f9f7 361 }
<> 144:ef7eb2e8f9f7 362 }
<> 144:ef7eb2e8f9f7 363
<> 144:ef7eb2e8f9f7 364 /* Return the erase status */
<> 144:ef7eb2e8f9f7 365 return status;
<> 144:ef7eb2e8f9f7 366 }
<> 144:ef7eb2e8f9f7 367
<> 144:ef7eb2e8f9f7 368 /**
<> 144:ef7eb2e8f9f7 369 * @brief Program option bytes
<> 144:ef7eb2e8f9f7 370 * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 371 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 372 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 373 * (system reset will occur)
<> 144:ef7eb2e8f9f7 374 *
<> 144:ef7eb2e8f9f7 375 * @param pOBInit pointer to an FLASH_OBInitStruct structure that
<> 144:ef7eb2e8f9f7 376 * contains the configuration information for the programming.
<> 144:ef7eb2e8f9f7 377 *
<> 144:ef7eb2e8f9f7 378 * @retval HAL_StatusTypeDef HAL Status
<> 144:ef7eb2e8f9f7 379 */
<> 144:ef7eb2e8f9f7 380 HAL_StatusTypeDef HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit)
<> 144:ef7eb2e8f9f7 381 {
<> 144:ef7eb2e8f9f7 382 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 383
<> 144:ef7eb2e8f9f7 384 /* Process Locked */
<> 144:ef7eb2e8f9f7 385 __HAL_LOCK(&pFlash);
<> 144:ef7eb2e8f9f7 386
<> 144:ef7eb2e8f9f7 387 /* Check the parameters */
<> 144:ef7eb2e8f9f7 388 assert_param(IS_OPTIONBYTE(pOBInit->OptionType));
<> 144:ef7eb2e8f9f7 389
<> 144:ef7eb2e8f9f7 390 /* Write protection configuration */
<> 144:ef7eb2e8f9f7 391 if((pOBInit->OptionType & OPTIONBYTE_WRP) == OPTIONBYTE_WRP)
<> 144:ef7eb2e8f9f7 392 {
<> 144:ef7eb2e8f9f7 393 assert_param(IS_WRPSTATE(pOBInit->WRPState));
<> 144:ef7eb2e8f9f7 394 if (pOBInit->WRPState == OB_WRPSTATE_ENABLE)
<> 144:ef7eb2e8f9f7 395 {
<> 144:ef7eb2e8f9f7 396 /* Enable of Write protection on the selected page */
<> 144:ef7eb2e8f9f7 397 status = FLASH_OB_EnableWRP(pOBInit->WRPPage);
<> 144:ef7eb2e8f9f7 398 }
<> 144:ef7eb2e8f9f7 399 else
<> 144:ef7eb2e8f9f7 400 {
<> 144:ef7eb2e8f9f7 401 /* Disable of Write protection on the selected page */
<> 144:ef7eb2e8f9f7 402 status = FLASH_OB_DisableWRP(pOBInit->WRPPage);
<> 144:ef7eb2e8f9f7 403 }
<> 144:ef7eb2e8f9f7 404 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 405 {
<> 144:ef7eb2e8f9f7 406 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 407 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 408 return status;
<> 144:ef7eb2e8f9f7 409 }
<> 144:ef7eb2e8f9f7 410 }
<> 144:ef7eb2e8f9f7 411
<> 144:ef7eb2e8f9f7 412 /* Read protection configuration */
<> 144:ef7eb2e8f9f7 413 if((pOBInit->OptionType & OPTIONBYTE_RDP) == OPTIONBYTE_RDP)
<> 144:ef7eb2e8f9f7 414 {
<> 144:ef7eb2e8f9f7 415 status = FLASH_OB_RDP_LevelConfig(pOBInit->RDPLevel);
<> 144:ef7eb2e8f9f7 416 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 417 {
<> 144:ef7eb2e8f9f7 418 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 419 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 420 return status;
<> 144:ef7eb2e8f9f7 421 }
<> 144:ef7eb2e8f9f7 422 }
<> 144:ef7eb2e8f9f7 423
<> 144:ef7eb2e8f9f7 424 /* USER configuration */
<> 144:ef7eb2e8f9f7 425 if((pOBInit->OptionType & OPTIONBYTE_USER) == OPTIONBYTE_USER)
<> 144:ef7eb2e8f9f7 426 {
<> 144:ef7eb2e8f9f7 427 status = FLASH_OB_UserConfig(pOBInit->USERConfig);
<> 144:ef7eb2e8f9f7 428 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 429 {
<> 144:ef7eb2e8f9f7 430 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 431 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 432 return status;
<> 144:ef7eb2e8f9f7 433 }
<> 144:ef7eb2e8f9f7 434 }
<> 144:ef7eb2e8f9f7 435
<> 144:ef7eb2e8f9f7 436 /* DATA configuration*/
<> 144:ef7eb2e8f9f7 437 if((pOBInit->OptionType & OPTIONBYTE_DATA) == OPTIONBYTE_DATA)
<> 144:ef7eb2e8f9f7 438 {
<> 144:ef7eb2e8f9f7 439 status = FLASH_OB_ProgramData(pOBInit->DATAAddress, pOBInit->DATAData);
<> 144:ef7eb2e8f9f7 440 if (status != HAL_OK)
<> 144:ef7eb2e8f9f7 441 {
<> 144:ef7eb2e8f9f7 442 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 443 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 444 return status;
<> 144:ef7eb2e8f9f7 445 }
<> 144:ef7eb2e8f9f7 446 }
<> 144:ef7eb2e8f9f7 447
<> 144:ef7eb2e8f9f7 448 /* Process Unlocked */
<> 144:ef7eb2e8f9f7 449 __HAL_UNLOCK(&pFlash);
<> 144:ef7eb2e8f9f7 450
<> 144:ef7eb2e8f9f7 451 return status;
<> 144:ef7eb2e8f9f7 452 }
<> 144:ef7eb2e8f9f7 453
<> 144:ef7eb2e8f9f7 454 /**
<> 144:ef7eb2e8f9f7 455 * @brief Get the Option byte configuration
<> 144:ef7eb2e8f9f7 456 * @param pOBInit pointer to an FLASH_OBInitStruct structure that
<> 144:ef7eb2e8f9f7 457 * contains the configuration information for the programming.
<> 144:ef7eb2e8f9f7 458 *
<> 144:ef7eb2e8f9f7 459 * @retval None
<> 144:ef7eb2e8f9f7 460 */
<> 144:ef7eb2e8f9f7 461 void HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit)
<> 144:ef7eb2e8f9f7 462 {
<> 144:ef7eb2e8f9f7 463 pOBInit->OptionType = OPTIONBYTE_WRP | OPTIONBYTE_RDP | OPTIONBYTE_USER;
<> 144:ef7eb2e8f9f7 464
<> 144:ef7eb2e8f9f7 465 /*Get WRP*/
<> 144:ef7eb2e8f9f7 466 pOBInit->WRPPage = FLASH_OB_GetWRP();
<> 144:ef7eb2e8f9f7 467
<> 144:ef7eb2e8f9f7 468 /*Get RDP Level*/
<> 144:ef7eb2e8f9f7 469 pOBInit->RDPLevel = FLASH_OB_GetRDP();
<> 144:ef7eb2e8f9f7 470
<> 144:ef7eb2e8f9f7 471 /*Get USER*/
<> 144:ef7eb2e8f9f7 472 pOBInit->USERConfig = FLASH_OB_GetUser();
<> 144:ef7eb2e8f9f7 473 }
<> 144:ef7eb2e8f9f7 474
<> 144:ef7eb2e8f9f7 475 /**
<> 144:ef7eb2e8f9f7 476 * @brief Get the Option byte user data
<> 144:ef7eb2e8f9f7 477 * @param DATAAdress Address of the option byte DATA
<> 144:ef7eb2e8f9f7 478 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 479 * @arg @ref OB_DATA_ADDRESS_DATA0
<> 144:ef7eb2e8f9f7 480 * @arg @ref OB_DATA_ADDRESS_DATA1
<> 144:ef7eb2e8f9f7 481 * @retval Value programmed in USER data
<> 144:ef7eb2e8f9f7 482 */
<> 144:ef7eb2e8f9f7 483 uint32_t HAL_FLASHEx_OBGetUserData(uint32_t DATAAdress)
<> 144:ef7eb2e8f9f7 484 {
<> 156:95d6b41a828b 485 uint32_t value = 0U;
<> 144:ef7eb2e8f9f7 486
<> 144:ef7eb2e8f9f7 487 if (DATAAdress == OB_DATA_ADDRESS_DATA0)
<> 144:ef7eb2e8f9f7 488 {
<> 144:ef7eb2e8f9f7 489 /* Get value programmed in OB USER Data0 */
<> 144:ef7eb2e8f9f7 490 value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA0) >> FLASH_POSITION_OB_USERDATA0_BIT;
<> 144:ef7eb2e8f9f7 491 }
<> 144:ef7eb2e8f9f7 492 else
<> 144:ef7eb2e8f9f7 493 {
<> 144:ef7eb2e8f9f7 494 /* Get value programmed in OB USER Data1 */
<> 144:ef7eb2e8f9f7 495 value = READ_BIT(FLASH->OBR, FLASH_OBR_DATA1) >> FLASH_POSITION_OB_USERDATA1_BIT;
<> 144:ef7eb2e8f9f7 496 }
<> 144:ef7eb2e8f9f7 497
<> 144:ef7eb2e8f9f7 498 return value;
<> 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 */
<> 144:ef7eb2e8f9f7 508
<> 144:ef7eb2e8f9f7 509 /** @addtogroup FLASHEx_Private_Functions
<> 144:ef7eb2e8f9f7 510 * @{
<> 144:ef7eb2e8f9f7 511 */
<> 144:ef7eb2e8f9f7 512
<> 144:ef7eb2e8f9f7 513 /**
<> 144:ef7eb2e8f9f7 514 * @brief Full erase of FLASH memory Bank
<> 144:ef7eb2e8f9f7 515 *
<> 144:ef7eb2e8f9f7 516 * @retval None
<> 144:ef7eb2e8f9f7 517 */
<> 144:ef7eb2e8f9f7 518 static void FLASH_MassErase(void)
<> 144:ef7eb2e8f9f7 519 {
<> 144:ef7eb2e8f9f7 520 /* Clean the error context */
<> 144:ef7eb2e8f9f7 521 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 522
<> 144:ef7eb2e8f9f7 523 /* Only bank1 will be erased*/
<> 144:ef7eb2e8f9f7 524 SET_BIT(FLASH->CR, FLASH_CR_MER);
<> 144:ef7eb2e8f9f7 525 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 526 }
<> 144:ef7eb2e8f9f7 527
<> 144:ef7eb2e8f9f7 528 /**
<> 144:ef7eb2e8f9f7 529 * @brief Enable the write protection of the desired pages
<> 144:ef7eb2e8f9f7 530 * @note An option byte erase is done automatically in this function.
<> 144:ef7eb2e8f9f7 531 * @note When the memory read protection level is selected (RDP level = 1),
<> 144:ef7eb2e8f9f7 532 * it is not possible to program or erase the flash page i if
<> 144:ef7eb2e8f9f7 533 * debug features are connected or boot code is executed in RAM, even if nWRPi = 1
<> 144:ef7eb2e8f9f7 534 *
<> 144:ef7eb2e8f9f7 535 * @param WriteProtectPage specifies the page(s) to be write protected.
<> 144:ef7eb2e8f9f7 536 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 537 * @retval HAL status
<> 144:ef7eb2e8f9f7 538 */
<> 144:ef7eb2e8f9f7 539 static HAL_StatusTypeDef FLASH_OB_EnableWRP(uint32_t WriteProtectPage)
<> 144:ef7eb2e8f9f7 540 {
<> 144:ef7eb2e8f9f7 541 HAL_StatusTypeDef status = HAL_OK;
<> 156:95d6b41a828b 542 uint16_t WRP0_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 543 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 544 uint16_t WRP1_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 545 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 546 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 547 uint16_t WRP2_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 548 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 549 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 550 uint16_t WRP3_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 551 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 552
<> 144:ef7eb2e8f9f7 553 /* Check the parameters */
<> 144:ef7eb2e8f9f7 554 assert_param(IS_OB_WRP(WriteProtectPage));
<> 144:ef7eb2e8f9f7 555
<> 144:ef7eb2e8f9f7 556 /* Get current write protected pages and the new pages to be protected ******/
<> 144:ef7eb2e8f9f7 557 WriteProtectPage = (uint32_t)(~((~FLASH_OB_GetWRP()) | WriteProtectPage));
<> 144:ef7eb2e8f9f7 558
<> 144:ef7eb2e8f9f7 559 #if defined(OB_WRP_PAGES0TO15MASK)
<> 144:ef7eb2e8f9f7 560 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK);
<> 144:ef7eb2e8f9f7 561 #elif defined(OB_WRP_PAGES0TO31MASK)
<> 144:ef7eb2e8f9f7 562 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK);
<> 144:ef7eb2e8f9f7 563 #endif /* OB_WRP_PAGES0TO31MASK */
<> 144:ef7eb2e8f9f7 564
<> 144:ef7eb2e8f9f7 565 #if defined(OB_WRP_PAGES16TO31MASK)
<> 156:95d6b41a828b 566 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8U);
<> 144:ef7eb2e8f9f7 567 #elif defined(OB_WRP_PAGES32TO63MASK)
<> 156:95d6b41a828b 568 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8U);
<> 144:ef7eb2e8f9f7 569 #endif /* OB_WRP_PAGES32TO63MASK */
<> 144:ef7eb2e8f9f7 570
<> 144:ef7eb2e8f9f7 571 #if defined(OB_WRP_PAGES32TO47MASK)
<> 156:95d6b41a828b 572 WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16U);
<> 144:ef7eb2e8f9f7 573 #endif /* OB_WRP_PAGES32TO47MASK */
<> 144:ef7eb2e8f9f7 574
<> 144:ef7eb2e8f9f7 575 #if defined(OB_WRP_PAGES48TO63MASK)
<> 156:95d6b41a828b 576 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO63MASK) >> 24U);
<> 144:ef7eb2e8f9f7 577 #elif defined(OB_WRP_PAGES48TO127MASK)
<> 156:95d6b41a828b 578 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24U);
<> 144:ef7eb2e8f9f7 579 #endif /* OB_WRP_PAGES48TO63MASK */
<> 144:ef7eb2e8f9f7 580
<> 144:ef7eb2e8f9f7 581 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 582 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 583
<> 144:ef7eb2e8f9f7 584 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 585 {
<> 144:ef7eb2e8f9f7 586 /* Clean the error context */
<> 144:ef7eb2e8f9f7 587 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 588
<> 144:ef7eb2e8f9f7 589 /* To be able to write again option byte, need to perform a option byte erase */
<> 144:ef7eb2e8f9f7 590 status = HAL_FLASHEx_OBErase();
<> 144:ef7eb2e8f9f7 591 if (status == HAL_OK)
<> 144:ef7eb2e8f9f7 592 {
<> 144:ef7eb2e8f9f7 593 /* Enable write protection */
<> 144:ef7eb2e8f9f7 594 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 595
<> 144:ef7eb2e8f9f7 596 #if defined(OB_WRP0_WRP0)
<> 156:95d6b41a828b 597 if(WRP0_Data != 0xFFU)
<> 144:ef7eb2e8f9f7 598 {
<> 144:ef7eb2e8f9f7 599 OB->WRP0 &= WRP0_Data;
<> 144:ef7eb2e8f9f7 600
<> 144:ef7eb2e8f9f7 601 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 602 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 603 }
<> 144:ef7eb2e8f9f7 604 #endif /* OB_WRP0_WRP0 */
<> 144:ef7eb2e8f9f7 605
<> 144:ef7eb2e8f9f7 606 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 607 if((status == HAL_OK) && (WRP1_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 608 {
<> 144:ef7eb2e8f9f7 609 OB->WRP1 &= WRP1_Data;
<> 144:ef7eb2e8f9f7 610
<> 144:ef7eb2e8f9f7 611 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 612 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 613 }
<> 144:ef7eb2e8f9f7 614 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 615
<> 144:ef7eb2e8f9f7 616 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 617 if((status == HAL_OK) && (WRP2_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 618 {
<> 144:ef7eb2e8f9f7 619 OB->WRP2 &= WRP2_Data;
<> 144:ef7eb2e8f9f7 620
<> 144:ef7eb2e8f9f7 621 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 622 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 623 }
<> 144:ef7eb2e8f9f7 624 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 625
<> 144:ef7eb2e8f9f7 626 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 627 if((status == HAL_OK) && (WRP3_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 628 {
<> 144:ef7eb2e8f9f7 629 OB->WRP3 &= WRP3_Data;
<> 144:ef7eb2e8f9f7 630
<> 144:ef7eb2e8f9f7 631 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 632 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 633 }
<> 144:ef7eb2e8f9f7 634 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 635
<> 144:ef7eb2e8f9f7 636 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 637 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 638 }
<> 144:ef7eb2e8f9f7 639 }
<> 144:ef7eb2e8f9f7 640
<> 144:ef7eb2e8f9f7 641 return status;
<> 144:ef7eb2e8f9f7 642 }
<> 144:ef7eb2e8f9f7 643
<> 144:ef7eb2e8f9f7 644 /**
<> 144:ef7eb2e8f9f7 645 * @brief Disable the write protection of the desired pages
<> 144:ef7eb2e8f9f7 646 * @note An option byte erase is done automatically in this function.
<> 144:ef7eb2e8f9f7 647 * @note When the memory read protection level is selected (RDP level = 1),
<> 144:ef7eb2e8f9f7 648 * it is not possible to program or erase the flash page i if
<> 144:ef7eb2e8f9f7 649 * debug features are connected or boot code is executed in RAM, even if nWRPi = 1
<> 144:ef7eb2e8f9f7 650 *
<> 144:ef7eb2e8f9f7 651 * @param WriteProtectPage specifies the page(s) to be write unprotected.
<> 144:ef7eb2e8f9f7 652 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 653 * @retval HAL status
<> 144:ef7eb2e8f9f7 654 */
<> 144:ef7eb2e8f9f7 655 static HAL_StatusTypeDef FLASH_OB_DisableWRP(uint32_t WriteProtectPage)
<> 144:ef7eb2e8f9f7 656 {
<> 144:ef7eb2e8f9f7 657 HAL_StatusTypeDef status = HAL_OK;
<> 156:95d6b41a828b 658 uint16_t WRP0_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 659 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 660 uint16_t WRP1_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 661 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 662 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 663 uint16_t WRP2_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 664 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 665 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 666 uint16_t WRP3_Data = 0xFFFFU;
<> 144:ef7eb2e8f9f7 667 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 668
<> 144:ef7eb2e8f9f7 669 /* Check the parameters */
<> 144:ef7eb2e8f9f7 670 assert_param(IS_OB_WRP(WriteProtectPage));
<> 144:ef7eb2e8f9f7 671
<> 144:ef7eb2e8f9f7 672 /* Get current write protected pages and the new pages to be unprotected ******/
<> 144:ef7eb2e8f9f7 673 WriteProtectPage = (FLASH_OB_GetWRP() | WriteProtectPage);
<> 144:ef7eb2e8f9f7 674
<> 144:ef7eb2e8f9f7 675 #if defined(OB_WRP_PAGES0TO15MASK)
<> 144:ef7eb2e8f9f7 676 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO15MASK);
<> 144:ef7eb2e8f9f7 677 #elif defined(OB_WRP_PAGES0TO31MASK)
<> 144:ef7eb2e8f9f7 678 WRP0_Data = (uint16_t)(WriteProtectPage & OB_WRP_PAGES0TO31MASK);
<> 144:ef7eb2e8f9f7 679 #endif /* OB_WRP_PAGES0TO31MASK */
<> 144:ef7eb2e8f9f7 680
<> 144:ef7eb2e8f9f7 681 #if defined(OB_WRP_PAGES16TO31MASK)
<> 156:95d6b41a828b 682 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES16TO31MASK) >> 8U);
<> 144:ef7eb2e8f9f7 683 #elif defined(OB_WRP_PAGES32TO63MASK)
<> 156:95d6b41a828b 684 WRP1_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO63MASK) >> 8U);
<> 144:ef7eb2e8f9f7 685 #endif /* OB_WRP_PAGES32TO63MASK */
<> 144:ef7eb2e8f9f7 686
<> 144:ef7eb2e8f9f7 687 #if defined(OB_WRP_PAGES32TO47MASK)
<> 156:95d6b41a828b 688 WRP2_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES32TO47MASK) >> 16U);
<> 144:ef7eb2e8f9f7 689 #endif /* OB_WRP_PAGES32TO47MASK */
<> 144:ef7eb2e8f9f7 690
<> 144:ef7eb2e8f9f7 691 #if defined(OB_WRP_PAGES48TO63MASK)
<> 156:95d6b41a828b 692 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO63MASK) >> 24U);
<> 144:ef7eb2e8f9f7 693 #elif defined(OB_WRP_PAGES48TO127MASK)
<> 156:95d6b41a828b 694 WRP3_Data = (uint16_t)((WriteProtectPage & OB_WRP_PAGES48TO127MASK) >> 24U);
<> 144:ef7eb2e8f9f7 695 #endif /* OB_WRP_PAGES48TO63MASK */
<> 144:ef7eb2e8f9f7 696
<> 144:ef7eb2e8f9f7 697
<> 144:ef7eb2e8f9f7 698 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 699 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 700
<> 144:ef7eb2e8f9f7 701 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 702 {
<> 144:ef7eb2e8f9f7 703 /* Clean the error context */
<> 144:ef7eb2e8f9f7 704 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 705
<> 144:ef7eb2e8f9f7 706 /* To be able to write again option byte, need to perform a option byte erase */
<> 144:ef7eb2e8f9f7 707 status = HAL_FLASHEx_OBErase();
<> 144:ef7eb2e8f9f7 708 if (status == HAL_OK)
<> 144:ef7eb2e8f9f7 709 {
<> 144:ef7eb2e8f9f7 710 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 711
<> 144:ef7eb2e8f9f7 712 #if defined(OB_WRP0_WRP0)
<> 156:95d6b41a828b 713 if(WRP0_Data != 0xFFU)
<> 144:ef7eb2e8f9f7 714 {
<> 144:ef7eb2e8f9f7 715 OB->WRP0 |= WRP0_Data;
<> 144:ef7eb2e8f9f7 716
<> 144:ef7eb2e8f9f7 717 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 718 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 719 }
<> 144:ef7eb2e8f9f7 720 #endif /* OB_WRP0_WRP0 */
<> 144:ef7eb2e8f9f7 721
<> 144:ef7eb2e8f9f7 722 #if defined(OB_WRP1_WRP1)
<> 156:95d6b41a828b 723 if((status == HAL_OK) && (WRP1_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 724 {
<> 144:ef7eb2e8f9f7 725 OB->WRP1 |= WRP1_Data;
<> 144:ef7eb2e8f9f7 726
<> 144:ef7eb2e8f9f7 727 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 728 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 729 }
<> 144:ef7eb2e8f9f7 730 #endif /* OB_WRP1_WRP1 */
<> 144:ef7eb2e8f9f7 731
<> 144:ef7eb2e8f9f7 732 #if defined(OB_WRP2_WRP2)
<> 156:95d6b41a828b 733 if((status == HAL_OK) && (WRP2_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 734 {
<> 144:ef7eb2e8f9f7 735 OB->WRP2 |= WRP2_Data;
<> 144:ef7eb2e8f9f7 736
<> 144:ef7eb2e8f9f7 737 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 738 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 739 }
<> 144:ef7eb2e8f9f7 740 #endif /* OB_WRP2_WRP2 */
<> 144:ef7eb2e8f9f7 741
<> 144:ef7eb2e8f9f7 742 #if defined(OB_WRP3_WRP3)
<> 156:95d6b41a828b 743 if((status == HAL_OK) && (WRP3_Data != 0xFFU))
<> 144:ef7eb2e8f9f7 744 {
<> 144:ef7eb2e8f9f7 745 OB->WRP3 |= WRP3_Data;
<> 144:ef7eb2e8f9f7 746
<> 144:ef7eb2e8f9f7 747 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 748 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 749 }
<> 144:ef7eb2e8f9f7 750 #endif /* OB_WRP3_WRP3 */
<> 144:ef7eb2e8f9f7 751
<> 144:ef7eb2e8f9f7 752 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 753 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 754 }
<> 144:ef7eb2e8f9f7 755 }
<> 144:ef7eb2e8f9f7 756 return status;
<> 144:ef7eb2e8f9f7 757 }
<> 144:ef7eb2e8f9f7 758
<> 144:ef7eb2e8f9f7 759 /**
<> 144:ef7eb2e8f9f7 760 * @brief Set the read protection level.
<> 144:ef7eb2e8f9f7 761 * @param ReadProtectLevel specifies the read protection level.
<> 144:ef7eb2e8f9f7 762 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 763 * @arg @ref OB_RDP_LEVEL_0 No protection
<> 144:ef7eb2e8f9f7 764 * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory
<> 144:ef7eb2e8f9f7 765 * @arg @ref OB_RDP_LEVEL_2 Full chip protection
<> 144:ef7eb2e8f9f7 766 * @note Warning: When enabling OB_RDP level 2 it's no more possible to go back to level 1 or 0
<> 144:ef7eb2e8f9f7 767 * @retval HAL status
<> 144:ef7eb2e8f9f7 768 */
<> 144:ef7eb2e8f9f7 769 static HAL_StatusTypeDef FLASH_OB_RDP_LevelConfig(uint8_t ReadProtectLevel)
<> 144:ef7eb2e8f9f7 770 {
<> 144:ef7eb2e8f9f7 771 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 772
<> 144:ef7eb2e8f9f7 773 /* Check the parameters */
<> 144:ef7eb2e8f9f7 774 assert_param(IS_OB_RDP_LEVEL(ReadProtectLevel));
<> 144:ef7eb2e8f9f7 775
<> 144:ef7eb2e8f9f7 776 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 777 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 778
<> 144:ef7eb2e8f9f7 779 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 780 {
<> 144:ef7eb2e8f9f7 781 /* Clean the error context */
<> 144:ef7eb2e8f9f7 782 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 783
<> 144:ef7eb2e8f9f7 784 /* If the previous operation is completed, proceed to erase the option bytes */
<> 144:ef7eb2e8f9f7 785 SET_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 786 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 787
<> 144:ef7eb2e8f9f7 788 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 789 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 790
<> 144:ef7eb2e8f9f7 791 /* If the erase operation is completed, disable the OPTER Bit */
<> 144:ef7eb2e8f9f7 792 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTER);
<> 144:ef7eb2e8f9f7 793
<> 144:ef7eb2e8f9f7 794 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 795 {
<> 144:ef7eb2e8f9f7 796 /* Enable the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 797 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 798
<> 144:ef7eb2e8f9f7 799 WRITE_REG(OB->RDP, ReadProtectLevel);
<> 144:ef7eb2e8f9f7 800
<> 144:ef7eb2e8f9f7 801 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 802 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 803
<> 144:ef7eb2e8f9f7 804 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 805 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 806 }
<> 144:ef7eb2e8f9f7 807 }
<> 144:ef7eb2e8f9f7 808
<> 144:ef7eb2e8f9f7 809 return status;
<> 144:ef7eb2e8f9f7 810 }
<> 144:ef7eb2e8f9f7 811
<> 144:ef7eb2e8f9f7 812 /**
<> 144:ef7eb2e8f9f7 813 * @brief Program the FLASH User Option Byte.
<> 144:ef7eb2e8f9f7 814 * @note Programming of the OB should be performed only after an erase (otherwise PGERR occurs)
<> 144:ef7eb2e8f9f7 815 * @param UserConfig The FLASH User Option Bytes values: IWDG_SW(Bit0), RST_STOP(Bit1), RST_STDBY(Bit2), nBOOT1(Bit4),
<> 144:ef7eb2e8f9f7 816 * VDDA_Analog_Monitoring(Bit5) and SRAM_Parity_Enable(Bit6).
<> 144:ef7eb2e8f9f7 817 * For few devices, following option bytes are available: nBOOT0(Bit3) & BOOT_SEL(Bit7).
<> 144:ef7eb2e8f9f7 818 * @retval HAL status
<> 144:ef7eb2e8f9f7 819 */
<> 144:ef7eb2e8f9f7 820 static HAL_StatusTypeDef FLASH_OB_UserConfig(uint8_t UserConfig)
<> 144:ef7eb2e8f9f7 821 {
<> 144:ef7eb2e8f9f7 822 HAL_StatusTypeDef status = HAL_OK;
<> 144:ef7eb2e8f9f7 823
<> 144:ef7eb2e8f9f7 824 /* Check the parameters */
<> 144:ef7eb2e8f9f7 825 assert_param(IS_OB_IWDG_SOURCE((UserConfig&OB_IWDG_SW)));
<> 144:ef7eb2e8f9f7 826 assert_param(IS_OB_STOP_SOURCE((UserConfig&OB_STOP_NO_RST)));
<> 144:ef7eb2e8f9f7 827 assert_param(IS_OB_STDBY_SOURCE((UserConfig&OB_STDBY_NO_RST)));
<> 144:ef7eb2e8f9f7 828 assert_param(IS_OB_BOOT1((UserConfig&OB_BOOT1_SET)));
<> 144:ef7eb2e8f9f7 829 assert_param(IS_OB_VDDA_ANALOG((UserConfig&OB_VDDA_ANALOG_ON)));
<> 144:ef7eb2e8f9f7 830 assert_param(IS_OB_SRAM_PARITY((UserConfig&OB_SRAM_PARITY_RESET)));
<> 144:ef7eb2e8f9f7 831 #if defined(FLASH_OBR_BOOT_SEL)
<> 144:ef7eb2e8f9f7 832 assert_param(IS_OB_BOOT_SEL((UserConfig&OB_BOOT_SEL_SET)));
<> 144:ef7eb2e8f9f7 833 assert_param(IS_OB_BOOT0((UserConfig&OB_BOOT0_SET)));
<> 144:ef7eb2e8f9f7 834 #endif /* FLASH_OBR_BOOT_SEL */
<> 144:ef7eb2e8f9f7 835
<> 144:ef7eb2e8f9f7 836 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 837 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 838
<> 144:ef7eb2e8f9f7 839 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 840 {
<> 144:ef7eb2e8f9f7 841 /* Clean the error context */
<> 144:ef7eb2e8f9f7 842 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 843
<> 144:ef7eb2e8f9f7 844 /* Enable the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 845 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 846
<> 144:ef7eb2e8f9f7 847 #if defined(FLASH_OBR_BOOT_SEL)
<> 144:ef7eb2e8f9f7 848 OB->USER = UserConfig;
<> 144:ef7eb2e8f9f7 849 #else
<> 156:95d6b41a828b 850 OB->USER = (UserConfig | 0x88U);
<> 144:ef7eb2e8f9f7 851 #endif
<> 144:ef7eb2e8f9f7 852
<> 144:ef7eb2e8f9f7 853 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 854 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 855
<> 144:ef7eb2e8f9f7 856 /* if the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 857 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 858 }
<> 144:ef7eb2e8f9f7 859
<> 144:ef7eb2e8f9f7 860 return status;
<> 144:ef7eb2e8f9f7 861 }
<> 144:ef7eb2e8f9f7 862
<> 144:ef7eb2e8f9f7 863 /**
<> 144:ef7eb2e8f9f7 864 * @brief Programs a half word at a specified Option Byte Data address.
<> 144:ef7eb2e8f9f7 865 * @note The function @ref HAL_FLASH_Unlock() should be called before to unlock the FLASH interface
<> 144:ef7eb2e8f9f7 866 * The function @ref HAL_FLASH_OB_Unlock() should be called before to unlock the options bytes
<> 144:ef7eb2e8f9f7 867 * The function @ref HAL_FLASH_OB_Launch() should be called after to force the reload of the options bytes
<> 144:ef7eb2e8f9f7 868 * (system reset will occur)
<> 144:ef7eb2e8f9f7 869 * Programming of the OB should be performed only after an erase (otherwise PGERR occurs)
<> 144:ef7eb2e8f9f7 870 * @param Address specifies the address to be programmed.
<> 144:ef7eb2e8f9f7 871 * This parameter can be 0x1FFFF804 or 0x1FFFF806.
<> 144:ef7eb2e8f9f7 872 * @param Data specifies the data to be programmed.
<> 144:ef7eb2e8f9f7 873 * @retval HAL status
<> 144:ef7eb2e8f9f7 874 */
<> 144:ef7eb2e8f9f7 875 static HAL_StatusTypeDef FLASH_OB_ProgramData(uint32_t Address, uint8_t Data)
<> 144:ef7eb2e8f9f7 876 {
<> 144:ef7eb2e8f9f7 877 HAL_StatusTypeDef status = HAL_ERROR;
<> 144:ef7eb2e8f9f7 878
<> 144:ef7eb2e8f9f7 879 /* Check the parameters */
<> 144:ef7eb2e8f9f7 880 assert_param(IS_OB_DATA_ADDRESS(Address));
<> 144:ef7eb2e8f9f7 881
<> 144:ef7eb2e8f9f7 882 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 883 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 884
<> 144:ef7eb2e8f9f7 885 if(status == HAL_OK)
<> 144:ef7eb2e8f9f7 886 {
<> 144:ef7eb2e8f9f7 887 /* Clean the error context */
<> 144:ef7eb2e8f9f7 888 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 889
<> 144:ef7eb2e8f9f7 890 /* Enables the Option Bytes Programming operation */
<> 144:ef7eb2e8f9f7 891 SET_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 892 *(__IO uint16_t*)Address = Data;
<> 144:ef7eb2e8f9f7 893
<> 144:ef7eb2e8f9f7 894 /* Wait for last operation to be completed */
<> 144:ef7eb2e8f9f7 895 status = FLASH_WaitForLastOperation((uint32_t)FLASH_TIMEOUT_VALUE);
<> 144:ef7eb2e8f9f7 896
<> 144:ef7eb2e8f9f7 897 /* If the program operation is completed, disable the OPTPG Bit */
<> 144:ef7eb2e8f9f7 898 CLEAR_BIT(FLASH->CR, FLASH_CR_OPTPG);
<> 144:ef7eb2e8f9f7 899 }
<> 144:ef7eb2e8f9f7 900 /* Return the Option Byte Data Program Status */
<> 144:ef7eb2e8f9f7 901 return status;
<> 144:ef7eb2e8f9f7 902 }
<> 144:ef7eb2e8f9f7 903
<> 144:ef7eb2e8f9f7 904 /**
<> 144:ef7eb2e8f9f7 905 * @brief Return the FLASH Write Protection Option Bytes value.
<> 144:ef7eb2e8f9f7 906 * @retval The FLASH Write Protection Option Bytes value
<> 144:ef7eb2e8f9f7 907 */
<> 144:ef7eb2e8f9f7 908 static uint32_t FLASH_OB_GetWRP(void)
<> 144:ef7eb2e8f9f7 909 {
<> 144:ef7eb2e8f9f7 910 /* Return the FLASH write protection Register value */
<> 144:ef7eb2e8f9f7 911 return (uint32_t)(READ_REG(FLASH->WRPR));
<> 144:ef7eb2e8f9f7 912 }
<> 144:ef7eb2e8f9f7 913
<> 144:ef7eb2e8f9f7 914 /**
<> 144:ef7eb2e8f9f7 915 * @brief Returns the FLASH Read Protection level.
<> 144:ef7eb2e8f9f7 916 * @retval FLASH RDP level
<> 144:ef7eb2e8f9f7 917 * This parameter can be one of the following values:
<> 144:ef7eb2e8f9f7 918 * @arg @ref OB_RDP_LEVEL_0 No protection
<> 144:ef7eb2e8f9f7 919 * @arg @ref OB_RDP_LEVEL_1 Read protection of the memory
<> 144:ef7eb2e8f9f7 920 * @arg @ref OB_RDP_LEVEL_2 Full chip protection
<> 144:ef7eb2e8f9f7 921 */
<> 144:ef7eb2e8f9f7 922 static uint32_t FLASH_OB_GetRDP(void)
<> 144:ef7eb2e8f9f7 923 {
<> 144:ef7eb2e8f9f7 924 uint32_t readstatus = OB_RDP_LEVEL_0;
<> 144:ef7eb2e8f9f7 925 uint32_t tmp_reg = 0;
<> 144:ef7eb2e8f9f7 926
<> 144:ef7eb2e8f9f7 927 /* Read RDP level bits */
<> 144:ef7eb2e8f9f7 928 tmp_reg = READ_BIT(FLASH->OBR, (FLASH_OBR_RDPRT1 | FLASH_OBR_RDPRT2));
<> 144:ef7eb2e8f9f7 929
<> 144:ef7eb2e8f9f7 930 if (tmp_reg == FLASH_OBR_RDPRT1)
<> 144:ef7eb2e8f9f7 931 {
<> 144:ef7eb2e8f9f7 932 readstatus = OB_RDP_LEVEL_1;
<> 144:ef7eb2e8f9f7 933 }
<> 144:ef7eb2e8f9f7 934 else if (tmp_reg == FLASH_OBR_RDPRT2)
<> 144:ef7eb2e8f9f7 935 {
<> 144:ef7eb2e8f9f7 936 readstatus = OB_RDP_LEVEL_2;
<> 144:ef7eb2e8f9f7 937 }
<> 144:ef7eb2e8f9f7 938 else
<> 144:ef7eb2e8f9f7 939 {
<> 144:ef7eb2e8f9f7 940 readstatus = OB_RDP_LEVEL_0;
<> 144:ef7eb2e8f9f7 941 }
<> 144:ef7eb2e8f9f7 942
<> 144:ef7eb2e8f9f7 943 return readstatus;
<> 144:ef7eb2e8f9f7 944 }
<> 144:ef7eb2e8f9f7 945
<> 144:ef7eb2e8f9f7 946 /**
<> 144:ef7eb2e8f9f7 947 * @brief Return the FLASH User Option Byte value.
<> 144:ef7eb2e8f9f7 948 * @retval The FLASH User Option Bytes values: IWDG_SW(Bit0), RST_STOP(Bit1), RST_STDBY(Bit2), nBOOT1(Bit4),
<> 144:ef7eb2e8f9f7 949 * VDDA_Analog_Monitoring(Bit5) and SRAM_Parity_Enable(Bit6).
<> 144:ef7eb2e8f9f7 950 * For few devices, following option bytes are available: nBOOT0(Bit3) & BOOT_SEL(Bit7).
<> 144:ef7eb2e8f9f7 951 */
<> 144:ef7eb2e8f9f7 952 static uint8_t FLASH_OB_GetUser(void)
<> 144:ef7eb2e8f9f7 953 {
<> 144:ef7eb2e8f9f7 954 /* Return the User Option Byte */
<> 144:ef7eb2e8f9f7 955 return (uint8_t)((READ_REG(FLASH->OBR) & FLASH_OBR_USER) >> FLASH_POSITION_IWDGSW_BIT);
<> 144:ef7eb2e8f9f7 956 }
<> 144:ef7eb2e8f9f7 957
<> 144:ef7eb2e8f9f7 958 /**
<> 144:ef7eb2e8f9f7 959 * @}
<> 144:ef7eb2e8f9f7 960 */
<> 144:ef7eb2e8f9f7 961
<> 144:ef7eb2e8f9f7 962 /**
<> 144:ef7eb2e8f9f7 963 * @}
<> 144:ef7eb2e8f9f7 964 */
<> 144:ef7eb2e8f9f7 965
<> 144:ef7eb2e8f9f7 966 /** @addtogroup FLASH
<> 144:ef7eb2e8f9f7 967 * @{
<> 144:ef7eb2e8f9f7 968 */
<> 144:ef7eb2e8f9f7 969
<> 144:ef7eb2e8f9f7 970 /** @addtogroup FLASH_Private_Functions
<> 144:ef7eb2e8f9f7 971 * @{
<> 144:ef7eb2e8f9f7 972 */
<> 144:ef7eb2e8f9f7 973
<> 144:ef7eb2e8f9f7 974 /**
<> 144:ef7eb2e8f9f7 975 * @brief Erase the specified FLASH memory page
<> 144:ef7eb2e8f9f7 976 * @param PageAddress FLASH page to erase
<> 144:ef7eb2e8f9f7 977 * The value of this parameter depend on device used within the same series
<> 144:ef7eb2e8f9f7 978 *
<> 144:ef7eb2e8f9f7 979 * @retval None
<> 144:ef7eb2e8f9f7 980 */
<> 144:ef7eb2e8f9f7 981 void FLASH_PageErase(uint32_t PageAddress)
<> 144:ef7eb2e8f9f7 982 {
<> 144:ef7eb2e8f9f7 983 /* Clean the error context */
<> 144:ef7eb2e8f9f7 984 pFlash.ErrorCode = HAL_FLASH_ERROR_NONE;
<> 144:ef7eb2e8f9f7 985
<> 144:ef7eb2e8f9f7 986 /* Proceed to erase the page */
<> 144:ef7eb2e8f9f7 987 SET_BIT(FLASH->CR, FLASH_CR_PER);
<> 144:ef7eb2e8f9f7 988 WRITE_REG(FLASH->AR, PageAddress);
<> 144:ef7eb2e8f9f7 989 SET_BIT(FLASH->CR, FLASH_CR_STRT);
<> 144:ef7eb2e8f9f7 990 }
<> 144:ef7eb2e8f9f7 991
<> 144:ef7eb2e8f9f7 992 /**
<> 144:ef7eb2e8f9f7 993 * @}
<> 144:ef7eb2e8f9f7 994 */
<> 144:ef7eb2e8f9f7 995
<> 144:ef7eb2e8f9f7 996 /**
<> 144:ef7eb2e8f9f7 997 * @}
<> 144:ef7eb2e8f9f7 998 */
<> 144:ef7eb2e8f9f7 999
<> 144:ef7eb2e8f9f7 1000 #endif /* HAL_FLASH_MODULE_ENABLED */
<> 144:ef7eb2e8f9f7 1001 /**
<> 144:ef7eb2e8f9f7 1002 * @}
<> 144:ef7eb2e8f9f7 1003 */
<> 144:ef7eb2e8f9f7 1004
<> 144:ef7eb2e8f9f7 1005 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/