fix LPC812 PWM
Fork of mbed-dev by
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash.c@129:2e517c56bcfb, 2016-05-16 (annotated)
- Committer:
- nameless129
- Date:
- Mon May 16 16:50:30 2016 +0000
- Revision:
- 129:2e517c56bcfb
- Parent:
- 113:b3775bf36a83
PWM Fix:Duty 0%??H???????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 0:9b334a45a8ff | 1 | /** |
bogdanm | 0:9b334a45a8ff | 2 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 3 | * @file stm32l0xx_hal_flash.c |
bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
mbed_official | 113:b3775bf36a83 | 5 | * @version V1.5.0 |
mbed_official | 113:b3775bf36a83 | 6 | * @date 8-January-2016 |
bogdanm | 0:9b334a45a8ff | 7 | * @brief FLASH HAL module driver. |
bogdanm | 0:9b334a45a8ff | 8 | * This file provides firmware functions to manage the following |
bogdanm | 0:9b334a45a8ff | 9 | * functionalities of the internal FLASH memory: |
bogdanm | 0:9b334a45a8ff | 10 | * + FLASH Interface configuration |
bogdanm | 0:9b334a45a8ff | 11 | * + FLASH Memory Programming |
bogdanm | 0:9b334a45a8ff | 12 | * + DATA EEPROM Programming |
bogdanm | 0:9b334a45a8ff | 13 | * + Option Bytes Programming |
bogdanm | 0:9b334a45a8ff | 14 | * + Interrupts and flags management |
bogdanm | 0:9b334a45a8ff | 15 | * |
bogdanm | 0:9b334a45a8ff | 16 | * @verbatim |
bogdanm | 0:9b334a45a8ff | 17 | |
bogdanm | 0:9b334a45a8ff | 18 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 19 | ##### FLASH peripheral features ##### |
bogdanm | 0:9b334a45a8ff | 20 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 21 | |
bogdanm | 0:9b334a45a8ff | 22 | [..] The Flash memory interface manages CPU AHB I-Code and D-Code accesses |
bogdanm | 0:9b334a45a8ff | 23 | to the Flash memory. It implements the erase and program Flash memory operations |
bogdanm | 0:9b334a45a8ff | 24 | and the read and write protection mechanisms. |
bogdanm | 0:9b334a45a8ff | 25 | |
bogdanm | 0:9b334a45a8ff | 26 | [..] The Flash memory interface accelerates code execution with a system of instruction prefetch. |
bogdanm | 0:9b334a45a8ff | 27 | |
bogdanm | 0:9b334a45a8ff | 28 | [..] The FLASH main features are: |
bogdanm | 0:9b334a45a8ff | 29 | (+) Flash memory read operations |
bogdanm | 0:9b334a45a8ff | 30 | (+) Flash memory program/erase operations |
bogdanm | 0:9b334a45a8ff | 31 | (+) Read / write protections |
bogdanm | 0:9b334a45a8ff | 32 | (+) Prefetch on I-Code |
bogdanm | 0:9b334a45a8ff | 33 | (+) Option Bytes programming |
bogdanm | 0:9b334a45a8ff | 34 | |
bogdanm | 0:9b334a45a8ff | 35 | ##### How to use this driver ##### |
bogdanm | 0:9b334a45a8ff | 36 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 37 | [..] This driver provides functions to configure and program the Flash |
bogdanm | 0:9b334a45a8ff | 38 | memory of all STM32L0xx devices. |
bogdanm | 0:9b334a45a8ff | 39 | |
bogdanm | 0:9b334a45a8ff | 40 | (#) FLASH Memory Programming functions: this group includes all |
bogdanm | 0:9b334a45a8ff | 41 | needed functions to erase and program the main memory: |
bogdanm | 0:9b334a45a8ff | 42 | (++) Lock and Unlock the Flash interface. |
bogdanm | 0:9b334a45a8ff | 43 | (++) Erase function: Erase Page. |
bogdanm | 0:9b334a45a8ff | 44 | (++) Program functions: Fast Word and Half Page(should be |
bogdanm | 0:9b334a45a8ff | 45 | executed from internal SRAM). |
bogdanm | 0:9b334a45a8ff | 46 | |
bogdanm | 0:9b334a45a8ff | 47 | (#) DATA EEPROM Programming functions: this group includes all |
bogdanm | 0:9b334a45a8ff | 48 | needed functions to erase and program the DATA EEPROM memory: |
bogdanm | 0:9b334a45a8ff | 49 | (++) Lock and Unlock the DATA EEPROM interface. |
bogdanm | 0:9b334a45a8ff | 50 | (++) Erase function: Erase Byte, erase HalfWord, erase Word, erase |
bogdanm | 0:9b334a45a8ff | 51 | Double Word (should be executed from internal SRAM). |
bogdanm | 0:9b334a45a8ff | 52 | (++) Program functions: Fast Program Byte, Fast Program Half-Word, |
bogdanm | 0:9b334a45a8ff | 53 | FastProgramWord, Program Byte, Program Half-Word, |
bogdanm | 0:9b334a45a8ff | 54 | Program Word and Program Double-Word (should be executed |
bogdanm | 0:9b334a45a8ff | 55 | from internal SRAM). |
bogdanm | 0:9b334a45a8ff | 56 | |
bogdanm | 0:9b334a45a8ff | 57 | (#) FLASH Option Bytes Programming functions: this group includes |
bogdanm | 0:9b334a45a8ff | 58 | all needed functions to: |
bogdanm | 0:9b334a45a8ff | 59 | (++) Lock and Unlock the Flash Option bytes. |
bogdanm | 0:9b334a45a8ff | 60 | (++) Set/Reset the write protection. |
bogdanm | 0:9b334a45a8ff | 61 | (++) Set the Read protection Level. |
bogdanm | 0:9b334a45a8ff | 62 | (++) Set the BOR level. |
bogdanm | 0:9b334a45a8ff | 63 | (++) Program the user option Bytes. |
bogdanm | 0:9b334a45a8ff | 64 | (++) Launch the Option Bytes loader. |
bogdanm | 0:9b334a45a8ff | 65 | (++) Get the Write protection. |
bogdanm | 0:9b334a45a8ff | 66 | (++) Get the read protection status. |
bogdanm | 0:9b334a45a8ff | 67 | (++) Get the BOR level. |
bogdanm | 0:9b334a45a8ff | 68 | (++) Get the user option bytes. |
bogdanm | 0:9b334a45a8ff | 69 | |
bogdanm | 0:9b334a45a8ff | 70 | (#) Interrupts and flags management functions : |
bogdanm | 0:9b334a45a8ff | 71 | (++) Handle FLASH interrupts by calling HAL_FLASH_IRQHandler() |
bogdanm | 0:9b334a45a8ff | 72 | (++) Wait for last FLASH operation according to its status |
bogdanm | 0:9b334a45a8ff | 73 | (++) Get error flag status by calling HAL_GetErrorCode() |
bogdanm | 0:9b334a45a8ff | 74 | |
bogdanm | 0:9b334a45a8ff | 75 | (#) FLASH Interface configuration functions: this group includes |
bogdanm | 0:9b334a45a8ff | 76 | the management of following features: |
bogdanm | 0:9b334a45a8ff | 77 | (++) Enable/Disable the RUN PowerDown mode. |
bogdanm | 0:9b334a45a8ff | 78 | (++) Enable/Disable the SLEEP PowerDown mode. |
bogdanm | 0:9b334a45a8ff | 79 | |
bogdanm | 0:9b334a45a8ff | 80 | (#) FLASH Peripheral State methods: this group includes |
bogdanm | 0:9b334a45a8ff | 81 | the management of following features: |
bogdanm | 0:9b334a45a8ff | 82 | (++) Wait for the FLASH operation |
bogdanm | 0:9b334a45a8ff | 83 | (++) Get the specific FLASH error flag |
bogdanm | 0:9b334a45a8ff | 84 | |
bogdanm | 0:9b334a45a8ff | 85 | [..] In addition to these function, this driver includes a set of macros allowing |
bogdanm | 0:9b334a45a8ff | 86 | to handle the following operations: |
bogdanm | 0:9b334a45a8ff | 87 | |
bogdanm | 0:9b334a45a8ff | 88 | (+) Set/Get the latency |
bogdanm | 0:9b334a45a8ff | 89 | (+) Enable/Disable the prefetch buffer |
bogdanm | 0:9b334a45a8ff | 90 | (+) Enable/Disable the preread buffer |
bogdanm | 0:9b334a45a8ff | 91 | (+) Enable/Disable the Flash power-down |
bogdanm | 0:9b334a45a8ff | 92 | (+) Enable/Disable the FLASH interrupts |
bogdanm | 0:9b334a45a8ff | 93 | (+) Monitor the FLASH flags status |
bogdanm | 0:9b334a45a8ff | 94 | |
bogdanm | 0:9b334a45a8ff | 95 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 96 | ##### Programming operation functions ##### |
bogdanm | 0:9b334a45a8ff | 97 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 98 | [..] |
bogdanm | 0:9b334a45a8ff | 99 | This subsection provides a set of functions allowing to manage the FLASH |
bogdanm | 0:9b334a45a8ff | 100 | program operations. |
bogdanm | 0:9b334a45a8ff | 101 | |
bogdanm | 0:9b334a45a8ff | 102 | [..] The FLASH Memory Programming functions, includes the following functions: |
bogdanm | 0:9b334a45a8ff | 103 | (+) HAL_FLASH_Unlock(void); |
bogdanm | 0:9b334a45a8ff | 104 | (+) HAL_FLASH_Lock(void); |
bogdanm | 0:9b334a45a8ff | 105 | (+) HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 106 | (+) HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 107 | |
bogdanm | 0:9b334a45a8ff | 108 | [..] Any operation of erase or program should follow these steps: |
bogdanm | 0:9b334a45a8ff | 109 | (#) Call the HAL_FLASH_Unlock() function to enable the flash control register and |
bogdanm | 0:9b334a45a8ff | 110 | program memory access. |
bogdanm | 0:9b334a45a8ff | 111 | (#) Call the desired function to erase page or program data. |
bogdanm | 0:9b334a45a8ff | 112 | (#) Call the HAL_FLASH_Lock() to disable the flash program memory access |
bogdanm | 0:9b334a45a8ff | 113 | (recommended to protect the FLASH memory against possible unwanted operation). |
bogdanm | 0:9b334a45a8ff | 114 | |
bogdanm | 0:9b334a45a8ff | 115 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 116 | ##### Option Bytes Programming functions ##### |
bogdanm | 0:9b334a45a8ff | 117 | ============================================================================== |
bogdanm | 0:9b334a45a8ff | 118 | |
bogdanm | 0:9b334a45a8ff | 119 | [..] The FLASH_Option Bytes Programming_functions, includes the following functions: |
bogdanm | 0:9b334a45a8ff | 120 | (+) HAL_FLASH_OB_Unlock(void); |
bogdanm | 0:9b334a45a8ff | 121 | (+) HAL_FLASH_OB_Lock(void); |
bogdanm | 0:9b334a45a8ff | 122 | (+) HAL_FLASH_OB_Launch(void); |
bogdanm | 0:9b334a45a8ff | 123 | (+) HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit); |
bogdanm | 0:9b334a45a8ff | 124 | (+) HAL_FLASHEx_OBGetConfig(FLASH_OBProgramInitTypeDef *pOBInit); |
bogdanm | 0:9b334a45a8ff | 125 | |
bogdanm | 0:9b334a45a8ff | 126 | [..] Any operation of erase or program should follow these steps: |
bogdanm | 0:9b334a45a8ff | 127 | (#) Call the HAL_FLASH_OB_Unlock() function to enable the Flash option control |
bogdanm | 0:9b334a45a8ff | 128 | register access. |
bogdanm | 0:9b334a45a8ff | 129 | (#) Call the following functions to program the desired option bytes. |
bogdanm | 0:9b334a45a8ff | 130 | (++) HAL_FLASHEx_OBProgram(FLASH_OBProgramInitTypeDef *pOBInit); |
bogdanm | 0:9b334a45a8ff | 131 | (#) Once all needed option bytes to be programmed are correctly written, call the |
bogdanm | 0:9b334a45a8ff | 132 | HAL_FLASH_OB_Launch(void) function to launch the Option Bytes programming process. |
bogdanm | 0:9b334a45a8ff | 133 | (#) Call the HAL_FLASH_OB_Lock() to disable the Flash option control register access (recommended |
bogdanm | 0:9b334a45a8ff | 134 | to protect the option Bytes against possible unwanted operations). |
bogdanm | 0:9b334a45a8ff | 135 | |
bogdanm | 0:9b334a45a8ff | 136 | [..] Proprietary code Read Out Protection (PcROP): |
bogdanm | 0:9b334a45a8ff | 137 | (#) The PcROP sector is selected by using the same option bytes as the Write |
bogdanm | 0:9b334a45a8ff | 138 | protection. As a result, these 2 options are exclusive each other. |
bogdanm | 0:9b334a45a8ff | 139 | (#) To activate PCROP mode for Flash sectors(s), you need to follow the sequence below: |
bogdanm | 0:9b334a45a8ff | 140 | (++) Use this function HAL_FLASHEx_AdvOBProgram with PCROPState = OB_PCROP_STATE_ENABLE. |
bogdanm | 0:9b334a45a8ff | 141 | |
bogdanm | 0:9b334a45a8ff | 142 | * @endverbatim |
bogdanm | 0:9b334a45a8ff | 143 | * |
bogdanm | 0:9b334a45a8ff | 144 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 145 | * @attention |
bogdanm | 0:9b334a45a8ff | 146 | * |
mbed_official | 113:b3775bf36a83 | 147 | * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> |
bogdanm | 0:9b334a45a8ff | 148 | * |
bogdanm | 0:9b334a45a8ff | 149 | * Redistribution and use in source and binary forms, with or without modification, |
bogdanm | 0:9b334a45a8ff | 150 | * are permitted provided that the following conditions are met: |
bogdanm | 0:9b334a45a8ff | 151 | * 1. Redistributions of source code must retain the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 152 | * this list of conditions and the following disclaimer. |
bogdanm | 0:9b334a45a8ff | 153 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
bogdanm | 0:9b334a45a8ff | 154 | * this list of conditions and the following disclaimer in the documentation |
bogdanm | 0:9b334a45a8ff | 155 | * and/or other materials provided with the distribution. |
bogdanm | 0:9b334a45a8ff | 156 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
bogdanm | 0:9b334a45a8ff | 157 | * may be used to endorse or promote products derived from this software |
bogdanm | 0:9b334a45a8ff | 158 | * without specific prior written permission. |
bogdanm | 0:9b334a45a8ff | 159 | * |
bogdanm | 0:9b334a45a8ff | 160 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
bogdanm | 0:9b334a45a8ff | 161 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
bogdanm | 0:9b334a45a8ff | 162 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
bogdanm | 0:9b334a45a8ff | 163 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
bogdanm | 0:9b334a45a8ff | 164 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
bogdanm | 0:9b334a45a8ff | 165 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
bogdanm | 0:9b334a45a8ff | 166 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
bogdanm | 0:9b334a45a8ff | 167 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
bogdanm | 0:9b334a45a8ff | 168 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
bogdanm | 0:9b334a45a8ff | 169 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
bogdanm | 0:9b334a45a8ff | 170 | * |
bogdanm | 0:9b334a45a8ff | 171 | ****************************************************************************** |
bogdanm | 0:9b334a45a8ff | 172 | */ |
bogdanm | 0:9b334a45a8ff | 173 | |
bogdanm | 0:9b334a45a8ff | 174 | /* Includes ------------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 175 | #include "stm32l0xx_hal.h" |
bogdanm | 0:9b334a45a8ff | 176 | |
bogdanm | 0:9b334a45a8ff | 177 | /** @addtogroup STM32L0xx_HAL_Driver |
bogdanm | 0:9b334a45a8ff | 178 | * @{ |
bogdanm | 0:9b334a45a8ff | 179 | */ |
bogdanm | 0:9b334a45a8ff | 180 | |
bogdanm | 0:9b334a45a8ff | 181 | #ifdef HAL_FLASH_MODULE_ENABLED |
bogdanm | 0:9b334a45a8ff | 182 | |
bogdanm | 0:9b334a45a8ff | 183 | /** @addtogroup FLASH FLASH |
bogdanm | 0:9b334a45a8ff | 184 | * @brief FLASH driver modules |
bogdanm | 0:9b334a45a8ff | 185 | * @{ |
bogdanm | 0:9b334a45a8ff | 186 | */ |
bogdanm | 0:9b334a45a8ff | 187 | |
mbed_official | 113:b3775bf36a83 | 188 | |
bogdanm | 0:9b334a45a8ff | 189 | /* Private typedef -----------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 190 | /* Private define ------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 191 | /* Private macro -------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 192 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 113:b3775bf36a83 | 193 | /** @addtogroup FLASH_Private |
bogdanm | 0:9b334a45a8ff | 194 | * @{ |
bogdanm | 0:9b334a45a8ff | 195 | */ |
bogdanm | 0:9b334a45a8ff | 196 | |
bogdanm | 0:9b334a45a8ff | 197 | /** |
bogdanm | 0:9b334a45a8ff | 198 | * @brief Variable used for Program/Erase sectors under interruption |
bogdanm | 0:9b334a45a8ff | 199 | */ |
bogdanm | 0:9b334a45a8ff | 200 | FLASH_ProcessTypeDef ProcFlash; |
bogdanm | 0:9b334a45a8ff | 201 | |
mbed_official | 113:b3775bf36a83 | 202 | |
mbed_official | 113:b3775bf36a83 | 203 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 113:b3775bf36a83 | 204 | static void FLASH_SetErrorCode(void); |
mbed_official | 113:b3775bf36a83 | 205 | static void FLASH_Program_Word(uint32_t Address, uint32_t Data); |
mbed_official | 113:b3775bf36a83 | 206 | |
bogdanm | 0:9b334a45a8ff | 207 | /** |
bogdanm | 0:9b334a45a8ff | 208 | * @} |
mbed_official | 113:b3775bf36a83 | 209 | */ |
mbed_official | 113:b3775bf36a83 | 210 | |
bogdanm | 0:9b334a45a8ff | 211 | /* functions -----------------------------------------------------------------*/ |
bogdanm | 0:9b334a45a8ff | 212 | |
mbed_official | 113:b3775bf36a83 | 213 | /** @addtogroup FLASH_Exported_Functions |
bogdanm | 0:9b334a45a8ff | 214 | * @{ |
bogdanm | 0:9b334a45a8ff | 215 | */ |
bogdanm | 0:9b334a45a8ff | 216 | |
bogdanm | 0:9b334a45a8ff | 217 | /** @addtogroup FLASH_Exported_Functions_Group1 |
bogdanm | 0:9b334a45a8ff | 218 | * @brief Programming operation functions |
bogdanm | 0:9b334a45a8ff | 219 | * |
bogdanm | 0:9b334a45a8ff | 220 | @verbatim |
bogdanm | 0:9b334a45a8ff | 221 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 222 | * @{ |
bogdanm | 0:9b334a45a8ff | 223 | */ |
bogdanm | 0:9b334a45a8ff | 224 | /** |
bogdanm | 0:9b334a45a8ff | 225 | * @brief Program word at a specified address |
bogdanm | 0:9b334a45a8ff | 226 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
bogdanm | 0:9b334a45a8ff | 227 | * must be called before. |
bogdanm | 0:9b334a45a8ff | 228 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
bogdanm | 0:9b334a45a8ff | 229 | * (recommended to protect the FLASH memory against possible unwanted operation). |
bogdanm | 0:9b334a45a8ff | 230 | * @param TypeProgram: Indicate the way to program at a specified address. |
bogdanm | 0:9b334a45a8ff | 231 | * This parameter can be a value of @ref FLASH_Type_Program |
bogdanm | 0:9b334a45a8ff | 232 | * @param Address: specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 233 | * @param Data: specifies the data to be programmed |
bogdanm | 0:9b334a45a8ff | 234 | * |
bogdanm | 0:9b334a45a8ff | 235 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 236 | */ |
bogdanm | 0:9b334a45a8ff | 237 | HAL_StatusTypeDef HAL_FLASH_Program(uint32_t TypeProgram, uint32_t Address, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 238 | { |
bogdanm | 0:9b334a45a8ff | 239 | HAL_StatusTypeDef status = HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 240 | |
bogdanm | 0:9b334a45a8ff | 241 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 242 | __HAL_LOCK(&ProcFlash); |
bogdanm | 0:9b334a45a8ff | 243 | |
bogdanm | 0:9b334a45a8ff | 244 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 245 | assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); |
bogdanm | 0:9b334a45a8ff | 246 | |
bogdanm | 0:9b334a45a8ff | 247 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 248 | status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
bogdanm | 0:9b334a45a8ff | 249 | |
bogdanm | 0:9b334a45a8ff | 250 | if(status == HAL_OK) |
bogdanm | 0:9b334a45a8ff | 251 | { |
bogdanm | 0:9b334a45a8ff | 252 | /* Program word (32-bit) at a specified address */ |
bogdanm | 0:9b334a45a8ff | 253 | FLASH_Program_Word(Address, (uint32_t) Data); |
bogdanm | 0:9b334a45a8ff | 254 | |
bogdanm | 0:9b334a45a8ff | 255 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 256 | status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
bogdanm | 0:9b334a45a8ff | 257 | } |
bogdanm | 0:9b334a45a8ff | 258 | |
bogdanm | 0:9b334a45a8ff | 259 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 260 | __HAL_UNLOCK(&ProcFlash); |
bogdanm | 0:9b334a45a8ff | 261 | |
bogdanm | 0:9b334a45a8ff | 262 | return status; |
bogdanm | 0:9b334a45a8ff | 263 | } |
bogdanm | 0:9b334a45a8ff | 264 | |
bogdanm | 0:9b334a45a8ff | 265 | /** |
bogdanm | 0:9b334a45a8ff | 266 | * @brief Program word at a specified address with interrupt enabled. |
bogdanm | 0:9b334a45a8ff | 267 | * @param TypeProgram: Indicate the way to program at a specified address. |
bogdanm | 0:9b334a45a8ff | 268 | * This parameter can be a value of @ref FLASH_Type_Program |
bogdanm | 0:9b334a45a8ff | 269 | * @param Address: specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 270 | * @param Data: specifies the data to be programmed |
bogdanm | 0:9b334a45a8ff | 271 | * |
bogdanm | 0:9b334a45a8ff | 272 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 273 | */ |
bogdanm | 0:9b334a45a8ff | 274 | HAL_StatusTypeDef HAL_FLASH_Program_IT(uint32_t TypeProgram, uint32_t Address, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 275 | { |
bogdanm | 0:9b334a45a8ff | 276 | HAL_StatusTypeDef status = HAL_OK; |
bogdanm | 0:9b334a45a8ff | 277 | |
bogdanm | 0:9b334a45a8ff | 278 | /* Process Locked */ |
bogdanm | 0:9b334a45a8ff | 279 | __HAL_LOCK(&ProcFlash); |
bogdanm | 0:9b334a45a8ff | 280 | |
bogdanm | 0:9b334a45a8ff | 281 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 282 | assert_param(IS_FLASH_TYPEPROGRAM(TypeProgram)); |
bogdanm | 0:9b334a45a8ff | 283 | |
mbed_official | 113:b3775bf36a83 | 284 | /* Wait for last operation to be completed */ |
mbed_official | 113:b3775bf36a83 | 285 | status = FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
bogdanm | 0:9b334a45a8ff | 286 | |
mbed_official | 113:b3775bf36a83 | 287 | if(status == HAL_OK) |
bogdanm | 0:9b334a45a8ff | 288 | { |
mbed_official | 113:b3775bf36a83 | 289 | /* Enable End of FLASH Operation interrupt */ |
mbed_official | 113:b3775bf36a83 | 290 | __HAL_FLASH_ENABLE_IT(FLASH_IT_EOP); |
mbed_official | 113:b3775bf36a83 | 291 | |
mbed_official | 113:b3775bf36a83 | 292 | /* Enable Error source interrupt */ |
mbed_official | 113:b3775bf36a83 | 293 | __HAL_FLASH_ENABLE_IT(FLASH_IT_ERR); |
mbed_official | 113:b3775bf36a83 | 294 | |
mbed_official | 113:b3775bf36a83 | 295 | ProcFlash.ProcedureOnGoing = FLASH_PROC_PROGRAM; |
mbed_official | 113:b3775bf36a83 | 296 | ProcFlash.Address = Address; |
mbed_official | 113:b3775bf36a83 | 297 | |
mbed_official | 113:b3775bf36a83 | 298 | if(TypeProgram == FLASH_TYPEPROGRAM_WORD) |
mbed_official | 113:b3775bf36a83 | 299 | { |
mbed_official | 113:b3775bf36a83 | 300 | /* Program word (32-bit) at a specified address */ |
mbed_official | 113:b3775bf36a83 | 301 | FLASH_Program_Word(Address, (uint32_t) Data); |
mbed_official | 113:b3775bf36a83 | 302 | } |
mbed_official | 113:b3775bf36a83 | 303 | } |
bogdanm | 0:9b334a45a8ff | 304 | return status; |
bogdanm | 0:9b334a45a8ff | 305 | } |
bogdanm | 0:9b334a45a8ff | 306 | |
bogdanm | 0:9b334a45a8ff | 307 | /** |
bogdanm | 0:9b334a45a8ff | 308 | * @brief This function handles FLASH interrupt request. |
bogdanm | 0:9b334a45a8ff | 309 | * @retval None |
bogdanm | 0:9b334a45a8ff | 310 | */ |
bogdanm | 0:9b334a45a8ff | 311 | void HAL_FLASH_IRQHandler(void) |
bogdanm | 0:9b334a45a8ff | 312 | { |
bogdanm | 0:9b334a45a8ff | 313 | uint32_t temp; |
bogdanm | 0:9b334a45a8ff | 314 | |
bogdanm | 0:9b334a45a8ff | 315 | /* Check FLASH operation error flags */ |
mbed_official | 113:b3775bf36a83 | 316 | |
mbed_official | 113:b3775bf36a83 | 317 | /* WARNING : On the first cut of STM32L031xx and STM32L041xx devices, |
mbed_official | 113:b3775bf36a83 | 318 | * (RevID = 0x1000) the FLASH_FLAG_OPTVERR bit was not behaving |
mbed_official | 113:b3775bf36a83 | 319 | * as expected. If the user run an application using the first |
mbed_official | 113:b3775bf36a83 | 320 | * cut of the STM32L031xx device or the first cut of the STM32L041xx |
mbed_official | 113:b3775bf36a83 | 321 | * device, the check on the FLASH_FLAG_OPTVERR bit should be ignored. |
mbed_official | 113:b3775bf36a83 | 322 | * |
mbed_official | 113:b3775bf36a83 | 323 | * Note :The RevID of the device can be retrieved via the HAL_GetREVID() |
mbed_official | 113:b3775bf36a83 | 324 | * function. |
mbed_official | 113:b3775bf36a83 | 325 | * |
mbed_official | 113:b3775bf36a83 | 326 | */ |
mbed_official | 113:b3775bf36a83 | 327 | |
bogdanm | 0:9b334a45a8ff | 328 | if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR | FLASH_FLAG_OPTVERR | \ |
bogdanm | 0:9b334a45a8ff | 329 | FLASH_FLAG_RDERR | FLASH_FLAG_FWWERR | FLASH_FLAG_NOTZEROERR) != RESET) |
bogdanm | 0:9b334a45a8ff | 330 | { |
bogdanm | 0:9b334a45a8ff | 331 | if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) |
bogdanm | 0:9b334a45a8ff | 332 | { |
bogdanm | 0:9b334a45a8ff | 333 | /* Return the faulty sector */ |
bogdanm | 0:9b334a45a8ff | 334 | temp = ProcFlash.Page; |
bogdanm | 0:9b334a45a8ff | 335 | ProcFlash.Page = 0xFFFFFFFF; |
bogdanm | 0:9b334a45a8ff | 336 | } |
bogdanm | 0:9b334a45a8ff | 337 | else |
bogdanm | 0:9b334a45a8ff | 338 | { |
bogdanm | 0:9b334a45a8ff | 339 | /* Return the faulty address */ |
bogdanm | 0:9b334a45a8ff | 340 | temp = ProcFlash.Address; |
bogdanm | 0:9b334a45a8ff | 341 | } |
bogdanm | 0:9b334a45a8ff | 342 | |
bogdanm | 0:9b334a45a8ff | 343 | /* Save the Error code */ |
bogdanm | 0:9b334a45a8ff | 344 | FLASH_SetErrorCode(); |
bogdanm | 0:9b334a45a8ff | 345 | |
bogdanm | 0:9b334a45a8ff | 346 | /* FLASH error interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 347 | HAL_FLASH_OperationErrorCallback(temp); |
bogdanm | 0:9b334a45a8ff | 348 | |
bogdanm | 0:9b334a45a8ff | 349 | /* Stop the procedure ongoing */ |
bogdanm | 0:9b334a45a8ff | 350 | ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 351 | } |
bogdanm | 0:9b334a45a8ff | 352 | |
bogdanm | 0:9b334a45a8ff | 353 | /* Check FLASH End of Operation flag */ |
bogdanm | 0:9b334a45a8ff | 354 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP) != RESET) |
bogdanm | 0:9b334a45a8ff | 355 | { |
bogdanm | 0:9b334a45a8ff | 356 | /* Clear FLASH End of Operation pending bit */ |
bogdanm | 0:9b334a45a8ff | 357 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
bogdanm | 0:9b334a45a8ff | 358 | |
bogdanm | 0:9b334a45a8ff | 359 | /* Process can continue only if no error detected */ |
bogdanm | 0:9b334a45a8ff | 360 | if(ProcFlash.ProcedureOnGoing != FLASH_PROC_NONE) |
bogdanm | 0:9b334a45a8ff | 361 | { |
bogdanm | 0:9b334a45a8ff | 362 | if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PAGEERASE) |
bogdanm | 0:9b334a45a8ff | 363 | { |
bogdanm | 0:9b334a45a8ff | 364 | /* Nb of sector to erased can be decreased */ |
bogdanm | 0:9b334a45a8ff | 365 | ProcFlash.NbPagesToErase--; |
bogdanm | 0:9b334a45a8ff | 366 | |
bogdanm | 0:9b334a45a8ff | 367 | /* Check if there are still sectors to erase */ |
bogdanm | 0:9b334a45a8ff | 368 | if(ProcFlash.NbPagesToErase != 0) |
bogdanm | 0:9b334a45a8ff | 369 | { |
bogdanm | 0:9b334a45a8ff | 370 | temp = ProcFlash.Page; |
bogdanm | 0:9b334a45a8ff | 371 | /* Indicate user which sector has been erased */ |
bogdanm | 0:9b334a45a8ff | 372 | HAL_FLASH_EndOfOperationCallback(temp); |
bogdanm | 0:9b334a45a8ff | 373 | |
bogdanm | 0:9b334a45a8ff | 374 | /* Increment sector number */ |
bogdanm | 0:9b334a45a8ff | 375 | temp = ProcFlash.Page + FLASH_PAGE_SIZE; |
bogdanm | 0:9b334a45a8ff | 376 | ProcFlash.Page = ProcFlash.Page + FLASH_PAGE_SIZE; |
bogdanm | 0:9b334a45a8ff | 377 | |
bogdanm | 0:9b334a45a8ff | 378 | /* If the erase operation is completed, disable the ERASE Bit */ |
bogdanm | 0:9b334a45a8ff | 379 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
bogdanm | 0:9b334a45a8ff | 380 | |
bogdanm | 0:9b334a45a8ff | 381 | FLASH_ErasePage(temp); |
bogdanm | 0:9b334a45a8ff | 382 | } |
bogdanm | 0:9b334a45a8ff | 383 | else |
bogdanm | 0:9b334a45a8ff | 384 | { |
bogdanm | 0:9b334a45a8ff | 385 | /* No more sectors to Erase, user callback can be called */ |
bogdanm | 0:9b334a45a8ff | 386 | /* Reset Sector and stop Erase sectors procedure */ |
bogdanm | 0:9b334a45a8ff | 387 | ProcFlash.Page = temp = 0xFFFFFFFF; |
bogdanm | 0:9b334a45a8ff | 388 | ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 389 | /* FLASH EOP interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 390 | HAL_FLASH_EndOfOperationCallback(temp); |
bogdanm | 0:9b334a45a8ff | 391 | } |
bogdanm | 0:9b334a45a8ff | 392 | } |
bogdanm | 0:9b334a45a8ff | 393 | else |
bogdanm | 0:9b334a45a8ff | 394 | { |
bogdanm | 0:9b334a45a8ff | 395 | if(ProcFlash.ProcedureOnGoing == FLASH_PROC_PROGRAM) |
bogdanm | 0:9b334a45a8ff | 396 | { |
bogdanm | 0:9b334a45a8ff | 397 | /* If the program operation is completed, disable the PROG Bit */ |
bogdanm | 0:9b334a45a8ff | 398 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
bogdanm | 0:9b334a45a8ff | 399 | /* Program ended. Return the selected address */ |
bogdanm | 0:9b334a45a8ff | 400 | /* FLASH EOP interrupt user callback */ |
bogdanm | 0:9b334a45a8ff | 401 | HAL_FLASH_EndOfOperationCallback(ProcFlash.Address); |
bogdanm | 0:9b334a45a8ff | 402 | } |
bogdanm | 0:9b334a45a8ff | 403 | ProcFlash.ProcedureOnGoing = FLASH_PROC_NONE; |
bogdanm | 0:9b334a45a8ff | 404 | } |
bogdanm | 0:9b334a45a8ff | 405 | } |
bogdanm | 0:9b334a45a8ff | 406 | } |
bogdanm | 0:9b334a45a8ff | 407 | |
bogdanm | 0:9b334a45a8ff | 408 | if(ProcFlash.ProcedureOnGoing == FLASH_PROC_NONE) |
bogdanm | 0:9b334a45a8ff | 409 | { |
bogdanm | 0:9b334a45a8ff | 410 | /* Operation is completed, disable the PG and PER Bits */ |
bogdanm | 0:9b334a45a8ff | 411 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE | FLASH_PECR_PROG); |
bogdanm | 0:9b334a45a8ff | 412 | |
bogdanm | 0:9b334a45a8ff | 413 | /* Disable End of FLASH Operation interrupt */ |
bogdanm | 0:9b334a45a8ff | 414 | __HAL_FLASH_DISABLE_IT(FLASH_IT_EOP); |
bogdanm | 0:9b334a45a8ff | 415 | |
bogdanm | 0:9b334a45a8ff | 416 | /* Disable Error source interrupt */ |
bogdanm | 0:9b334a45a8ff | 417 | __HAL_FLASH_DISABLE_IT(FLASH_IT_ERR); |
bogdanm | 0:9b334a45a8ff | 418 | |
bogdanm | 0:9b334a45a8ff | 419 | /* Process Unlocked */ |
bogdanm | 0:9b334a45a8ff | 420 | __HAL_UNLOCK(&ProcFlash); |
bogdanm | 0:9b334a45a8ff | 421 | } |
bogdanm | 0:9b334a45a8ff | 422 | |
bogdanm | 0:9b334a45a8ff | 423 | } |
bogdanm | 0:9b334a45a8ff | 424 | |
bogdanm | 0:9b334a45a8ff | 425 | /** |
bogdanm | 0:9b334a45a8ff | 426 | * @brief FLASH end of operation interrupt callback |
bogdanm | 0:9b334a45a8ff | 427 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
bogdanm | 0:9b334a45a8ff | 428 | * - Pages Erase: Sector which has been erased |
bogdanm | 0:9b334a45a8ff | 429 | * (if 0xFFFFFFFF, it means that all the selected sectors have been erased) |
bogdanm | 0:9b334a45a8ff | 430 | * - Program: Address which was selected for data program |
bogdanm | 0:9b334a45a8ff | 431 | * @retval none |
bogdanm | 0:9b334a45a8ff | 432 | */ |
bogdanm | 0:9b334a45a8ff | 433 | __weak void HAL_FLASH_EndOfOperationCallback(uint32_t ReturnValue) |
bogdanm | 0:9b334a45a8ff | 434 | { |
mbed_official | 113:b3775bf36a83 | 435 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 436 | UNUSED(ReturnValue); |
mbed_official | 113:b3775bf36a83 | 437 | |
bogdanm | 0:9b334a45a8ff | 438 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 439 | the HAL_FLASH_EndOfOperationCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 440 | */ |
bogdanm | 0:9b334a45a8ff | 441 | } |
bogdanm | 0:9b334a45a8ff | 442 | |
bogdanm | 0:9b334a45a8ff | 443 | /** |
bogdanm | 0:9b334a45a8ff | 444 | * @brief FLASH operation error interrupt callback |
bogdanm | 0:9b334a45a8ff | 445 | * @param ReturnValue: The value saved in this parameter depends on the ongoing procedure |
bogdanm | 0:9b334a45a8ff | 446 | * - Pagess Erase: Sector number which returned an error |
bogdanm | 0:9b334a45a8ff | 447 | * - Program: Address which was selected for data program |
bogdanm | 0:9b334a45a8ff | 448 | * @retval none |
bogdanm | 0:9b334a45a8ff | 449 | */ |
bogdanm | 0:9b334a45a8ff | 450 | __weak void HAL_FLASH_OperationErrorCallback(uint32_t ReturnValue) |
bogdanm | 0:9b334a45a8ff | 451 | { |
mbed_official | 113:b3775bf36a83 | 452 | /* Prevent unused argument(s) compilation warning */ |
mbed_official | 113:b3775bf36a83 | 453 | UNUSED(ReturnValue); |
mbed_official | 113:b3775bf36a83 | 454 | |
bogdanm | 0:9b334a45a8ff | 455 | /* NOTE : This function Should not be modified, when the callback is needed, |
bogdanm | 0:9b334a45a8ff | 456 | the HAL_FLASH_OperationErrorCallback could be implemented in the user file |
bogdanm | 0:9b334a45a8ff | 457 | */ |
bogdanm | 0:9b334a45a8ff | 458 | } |
bogdanm | 0:9b334a45a8ff | 459 | |
bogdanm | 0:9b334a45a8ff | 460 | /** |
bogdanm | 0:9b334a45a8ff | 461 | * @} |
bogdanm | 0:9b334a45a8ff | 462 | */ |
bogdanm | 0:9b334a45a8ff | 463 | |
bogdanm | 0:9b334a45a8ff | 464 | /** @addtogroup FLASH_Exported_Functions_Group2 |
bogdanm | 0:9b334a45a8ff | 465 | * @brief management functions |
bogdanm | 0:9b334a45a8ff | 466 | * |
bogdanm | 0:9b334a45a8ff | 467 | @verbatim |
bogdanm | 0:9b334a45a8ff | 468 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 469 | ##### Peripheral Control functions ##### |
bogdanm | 0:9b334a45a8ff | 470 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 471 | [..] |
bogdanm | 0:9b334a45a8ff | 472 | This subsection provides a set of functions allowing to control the FLASH |
bogdanm | 0:9b334a45a8ff | 473 | memory operations. |
bogdanm | 0:9b334a45a8ff | 474 | |
bogdanm | 0:9b334a45a8ff | 475 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 476 | * @{ |
bogdanm | 0:9b334a45a8ff | 477 | */ |
bogdanm | 0:9b334a45a8ff | 478 | |
bogdanm | 0:9b334a45a8ff | 479 | /** |
bogdanm | 0:9b334a45a8ff | 480 | * @brief Unlock the FLASH control register access |
bogdanm | 0:9b334a45a8ff | 481 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 482 | */ |
bogdanm | 0:9b334a45a8ff | 483 | HAL_StatusTypeDef HAL_FLASH_Unlock(void) |
bogdanm | 0:9b334a45a8ff | 484 | { |
bogdanm | 0:9b334a45a8ff | 485 | if((FLASH->PECR & FLASH_PECR_PRGLOCK) != RESET) |
bogdanm | 0:9b334a45a8ff | 486 | { |
bogdanm | 0:9b334a45a8ff | 487 | /* Unlocking FLASH_PECR register access */ |
bogdanm | 0:9b334a45a8ff | 488 | if((FLASH->PECR & FLASH_PECR_PELOCK) != RESET) |
bogdanm | 0:9b334a45a8ff | 489 | { |
bogdanm | 0:9b334a45a8ff | 490 | FLASH->PEKEYR = FLASH_PEKEY1; |
bogdanm | 0:9b334a45a8ff | 491 | FLASH->PEKEYR = FLASH_PEKEY2; |
bogdanm | 0:9b334a45a8ff | 492 | } |
bogdanm | 0:9b334a45a8ff | 493 | |
bogdanm | 0:9b334a45a8ff | 494 | /* Unlocking the program memory access */ |
bogdanm | 0:9b334a45a8ff | 495 | FLASH->PRGKEYR = FLASH_PRGKEY1; |
bogdanm | 0:9b334a45a8ff | 496 | FLASH->PRGKEYR = FLASH_PRGKEY2; |
bogdanm | 0:9b334a45a8ff | 497 | } |
bogdanm | 0:9b334a45a8ff | 498 | else |
bogdanm | 0:9b334a45a8ff | 499 | { |
bogdanm | 0:9b334a45a8ff | 500 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 501 | } |
bogdanm | 0:9b334a45a8ff | 502 | |
bogdanm | 0:9b334a45a8ff | 503 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 504 | } |
bogdanm | 0:9b334a45a8ff | 505 | |
bogdanm | 0:9b334a45a8ff | 506 | /** |
bogdanm | 0:9b334a45a8ff | 507 | * @brief Locks the FLASH control register access |
bogdanm | 0:9b334a45a8ff | 508 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 509 | */ |
bogdanm | 0:9b334a45a8ff | 510 | HAL_StatusTypeDef HAL_FLASH_Lock(void) |
bogdanm | 0:9b334a45a8ff | 511 | { |
bogdanm | 0:9b334a45a8ff | 512 | /* Set the PRGLOCK Bit to lock the program memory access */ |
bogdanm | 0:9b334a45a8ff | 513 | SET_BIT(FLASH->PECR, FLASH_PECR_PRGLOCK); |
bogdanm | 0:9b334a45a8ff | 514 | |
bogdanm | 0:9b334a45a8ff | 515 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 516 | } |
bogdanm | 0:9b334a45a8ff | 517 | |
bogdanm | 0:9b334a45a8ff | 518 | /** |
bogdanm | 0:9b334a45a8ff | 519 | * @brief Unlock the FLASH Option Control Registers access. |
bogdanm | 0:9b334a45a8ff | 520 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 521 | */ |
bogdanm | 0:9b334a45a8ff | 522 | HAL_StatusTypeDef HAL_FLASH_OB_Unlock(void) |
bogdanm | 0:9b334a45a8ff | 523 | { |
bogdanm | 0:9b334a45a8ff | 524 | if((FLASH->PECR & FLASH_PECR_OPTLOCK) != RESET) |
bogdanm | 0:9b334a45a8ff | 525 | { |
bogdanm | 0:9b334a45a8ff | 526 | /* Unlocking FLASH_PECR register access */ |
bogdanm | 0:9b334a45a8ff | 527 | if((FLASH->PECR & FLASH_PECR_PELOCK) != RESET) |
bogdanm | 0:9b334a45a8ff | 528 | { |
bogdanm | 0:9b334a45a8ff | 529 | FLASH->PEKEYR = FLASH_PEKEY1; |
bogdanm | 0:9b334a45a8ff | 530 | FLASH->PEKEYR = FLASH_PEKEY2; |
bogdanm | 0:9b334a45a8ff | 531 | } |
bogdanm | 0:9b334a45a8ff | 532 | |
bogdanm | 0:9b334a45a8ff | 533 | /* Unlocking the option bytes block access */ |
bogdanm | 0:9b334a45a8ff | 534 | FLASH->OPTKEYR = FLASH_OPTKEY1; |
bogdanm | 0:9b334a45a8ff | 535 | FLASH->OPTKEYR = FLASH_OPTKEY2; |
bogdanm | 0:9b334a45a8ff | 536 | } |
bogdanm | 0:9b334a45a8ff | 537 | else |
bogdanm | 0:9b334a45a8ff | 538 | { |
bogdanm | 0:9b334a45a8ff | 539 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 540 | } |
bogdanm | 0:9b334a45a8ff | 541 | |
bogdanm | 0:9b334a45a8ff | 542 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 543 | } |
bogdanm | 0:9b334a45a8ff | 544 | |
bogdanm | 0:9b334a45a8ff | 545 | /** |
bogdanm | 0:9b334a45a8ff | 546 | * @brief Lock the FLASH Option Control Registers access. |
bogdanm | 0:9b334a45a8ff | 547 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 548 | */ |
bogdanm | 0:9b334a45a8ff | 549 | HAL_StatusTypeDef HAL_FLASH_OB_Lock(void) |
bogdanm | 0:9b334a45a8ff | 550 | { |
bogdanm | 0:9b334a45a8ff | 551 | /* Set the OPTLOCK Bit to lock the option bytes block access */ |
bogdanm | 0:9b334a45a8ff | 552 | SET_BIT(FLASH->PECR, FLASH_PECR_OPTLOCK); |
bogdanm | 0:9b334a45a8ff | 553 | |
bogdanm | 0:9b334a45a8ff | 554 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 555 | } |
bogdanm | 0:9b334a45a8ff | 556 | |
bogdanm | 0:9b334a45a8ff | 557 | /** |
bogdanm | 0:9b334a45a8ff | 558 | * @brief Launch the option byte loading. |
bogdanm | 0:9b334a45a8ff | 559 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 560 | */ |
bogdanm | 0:9b334a45a8ff | 561 | HAL_StatusTypeDef HAL_FLASH_OB_Launch(void) |
bogdanm | 0:9b334a45a8ff | 562 | { |
bogdanm | 0:9b334a45a8ff | 563 | /* Clean the error context */ |
bogdanm | 0:9b334a45a8ff | 564 | ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 565 | |
bogdanm | 0:9b334a45a8ff | 566 | /* Set the OBL_Launch bit to lauch the option byte loading */ |
bogdanm | 0:9b334a45a8ff | 567 | SET_BIT(FLASH->PECR, FLASH_PECR_OBL_LAUNCH); |
bogdanm | 0:9b334a45a8ff | 568 | |
bogdanm | 0:9b334a45a8ff | 569 | /* Wait for last operation to be completed */ |
bogdanm | 0:9b334a45a8ff | 570 | return(FLASH_WaitForLastOperation(FLASH_TIMEOUT_VALUE |
bogdanm | 0:9b334a45a8ff | 571 | )); |
bogdanm | 0:9b334a45a8ff | 572 | } |
bogdanm | 0:9b334a45a8ff | 573 | |
bogdanm | 0:9b334a45a8ff | 574 | /** |
bogdanm | 0:9b334a45a8ff | 575 | * @} |
bogdanm | 0:9b334a45a8ff | 576 | */ |
bogdanm | 0:9b334a45a8ff | 577 | |
bogdanm | 0:9b334a45a8ff | 578 | /** @addtogroup FLASH_Exported_Functions_Group3 |
bogdanm | 0:9b334a45a8ff | 579 | * @brief Peripheral Errors functions |
bogdanm | 0:9b334a45a8ff | 580 | * |
bogdanm | 0:9b334a45a8ff | 581 | @verbatim |
bogdanm | 0:9b334a45a8ff | 582 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 583 | ##### Peripheral Errors functions ##### |
bogdanm | 0:9b334a45a8ff | 584 | =============================================================================== |
bogdanm | 0:9b334a45a8ff | 585 | [..] |
bogdanm | 0:9b334a45a8ff | 586 | This subsection permit to get in run-time Errors of the FLASH peripheral. |
bogdanm | 0:9b334a45a8ff | 587 | |
bogdanm | 0:9b334a45a8ff | 588 | @endverbatim |
bogdanm | 0:9b334a45a8ff | 589 | * @{ |
bogdanm | 0:9b334a45a8ff | 590 | */ |
bogdanm | 0:9b334a45a8ff | 591 | |
bogdanm | 0:9b334a45a8ff | 592 | /** |
bogdanm | 0:9b334a45a8ff | 593 | * @brief Get the specific FLASH error flag. |
bogdanm | 0:9b334a45a8ff | 594 | * @retval uint32_t: The returned value can be a mixed of : |
bogdanm | 0:9b334a45a8ff | 595 | * @arg HAL_FLASH_ERROR_RD: FLASH Read Protection error flag (PCROP) |
bogdanm | 0:9b334a45a8ff | 596 | * @arg HAL_FLASH_ERROR_SIZE: FLASH Programming Parallelism error flag |
bogdanm | 0:9b334a45a8ff | 597 | * @arg HAL_FLASH_ERROR_PGA: FLASH Programming Alignment error flag |
bogdanm | 0:9b334a45a8ff | 598 | * @arg HAL_FLASH_ERROR_WRP: FLASH Write protected error flag |
bogdanm | 0:9b334a45a8ff | 599 | * @arg HAL_FLASH_ERROR_OPTV: FLASH Option valid error flag |
bogdanm | 0:9b334a45a8ff | 600 | * @arg HAL_FLASH_ERROR_FWWERR: FLASH Write or Errase operation aborted |
bogdanm | 0:9b334a45a8ff | 601 | * @arg HAL_FLASH_ERROR_NOTZERO: FLASH Write operation is done in a not-erased region |
bogdanm | 0:9b334a45a8ff | 602 | */ |
bogdanm | 0:9b334a45a8ff | 603 | uint32_t HAL_FLASH_GetError(void) |
bogdanm | 0:9b334a45a8ff | 604 | { |
bogdanm | 0:9b334a45a8ff | 605 | return ProcFlash.ErrorCode; |
bogdanm | 0:9b334a45a8ff | 606 | } |
bogdanm | 0:9b334a45a8ff | 607 | |
bogdanm | 0:9b334a45a8ff | 608 | /** |
bogdanm | 0:9b334a45a8ff | 609 | * @} |
bogdanm | 0:9b334a45a8ff | 610 | */ |
bogdanm | 0:9b334a45a8ff | 611 | |
bogdanm | 0:9b334a45a8ff | 612 | /** |
bogdanm | 0:9b334a45a8ff | 613 | * @} |
bogdanm | 0:9b334a45a8ff | 614 | */ |
bogdanm | 0:9b334a45a8ff | 615 | |
mbed_official | 113:b3775bf36a83 | 616 | /** @addtogroup FLASH_Private |
bogdanm | 0:9b334a45a8ff | 617 | * @{ |
bogdanm | 0:9b334a45a8ff | 618 | */ |
bogdanm | 0:9b334a45a8ff | 619 | |
bogdanm | 0:9b334a45a8ff | 620 | /** |
bogdanm | 0:9b334a45a8ff | 621 | * @brief Wait for a FLASH operation to complete. |
bogdanm | 0:9b334a45a8ff | 622 | * @param Timeout: maximum flash operationtimeout |
bogdanm | 0:9b334a45a8ff | 623 | * @retval HAL status |
bogdanm | 0:9b334a45a8ff | 624 | */ |
bogdanm | 0:9b334a45a8ff | 625 | HAL_StatusTypeDef FLASH_WaitForLastOperation(uint32_t Timeout) |
bogdanm | 0:9b334a45a8ff | 626 | { |
bogdanm | 0:9b334a45a8ff | 627 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
bogdanm | 0:9b334a45a8ff | 628 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
bogdanm | 0:9b334a45a8ff | 629 | flag will be set */ |
bogdanm | 0:9b334a45a8ff | 630 | |
bogdanm | 0:9b334a45a8ff | 631 | uint32_t tickstart = HAL_GetTick(); |
bogdanm | 0:9b334a45a8ff | 632 | |
bogdanm | 0:9b334a45a8ff | 633 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) != RESET) |
bogdanm | 0:9b334a45a8ff | 634 | { |
bogdanm | 0:9b334a45a8ff | 635 | if(Timeout != HAL_MAX_DELAY) |
bogdanm | 0:9b334a45a8ff | 636 | { |
bogdanm | 0:9b334a45a8ff | 637 | if((Timeout == 0)||((HAL_GetTick() - tickstart ) > Timeout)) |
bogdanm | 0:9b334a45a8ff | 638 | { |
bogdanm | 0:9b334a45a8ff | 639 | return HAL_TIMEOUT; |
bogdanm | 0:9b334a45a8ff | 640 | } |
bogdanm | 0:9b334a45a8ff | 641 | } |
bogdanm | 0:9b334a45a8ff | 642 | } |
mbed_official | 113:b3775bf36a83 | 643 | |
mbed_official | 113:b3775bf36a83 | 644 | /* Check FLASH End of Operation flag */ |
mbed_official | 113:b3775bf36a83 | 645 | if (__HAL_FLASH_GET_FLAG(FLASH_FLAG_EOP)) |
mbed_official | 113:b3775bf36a83 | 646 | { |
mbed_official | 113:b3775bf36a83 | 647 | /* Clear FLASH End of Operation pending bit */ |
mbed_official | 113:b3775bf36a83 | 648 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_EOP); |
mbed_official | 113:b3775bf36a83 | 649 | } |
mbed_official | 113:b3775bf36a83 | 650 | |
mbed_official | 113:b3775bf36a83 | 651 | |
bogdanm | 0:9b334a45a8ff | 652 | if((__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) || \ |
bogdanm | 0:9b334a45a8ff | 653 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) || \ |
bogdanm | 0:9b334a45a8ff | 654 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) || (__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR) != RESET) || \ |
bogdanm | 0:9b334a45a8ff | 655 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR) != RESET)) |
bogdanm | 0:9b334a45a8ff | 656 | { |
bogdanm | 0:9b334a45a8ff | 657 | /* Save the error code */ |
mbed_official | 113:b3775bf36a83 | 658 | |
mbed_official | 113:b3775bf36a83 | 659 | /* WARNING : On the first cut of STM32L031xx and STM32L041xx devices, |
mbed_official | 113:b3775bf36a83 | 660 | * (RefID = 0x1000) the FLASH_FLAG_OPTVERR bit was not behaving |
mbed_official | 113:b3775bf36a83 | 661 | * as expected. If the user run an application using the first |
mbed_official | 113:b3775bf36a83 | 662 | * cut of the STM32L031xx device or the first cut of the STM32L041xx |
mbed_official | 113:b3775bf36a83 | 663 | * device, this error should be ignored. The revId of the device |
mbed_official | 113:b3775bf36a83 | 664 | * can be retrieved via the HAL_GetREVID() function. |
mbed_official | 113:b3775bf36a83 | 665 | * |
mbed_official | 113:b3775bf36a83 | 666 | */ |
bogdanm | 0:9b334a45a8ff | 667 | FLASH_SetErrorCode(); |
bogdanm | 0:9b334a45a8ff | 668 | return HAL_ERROR; |
bogdanm | 0:9b334a45a8ff | 669 | } |
bogdanm | 0:9b334a45a8ff | 670 | |
bogdanm | 0:9b334a45a8ff | 671 | /* There is no error flag set */ |
bogdanm | 0:9b334a45a8ff | 672 | return HAL_OK; |
bogdanm | 0:9b334a45a8ff | 673 | } |
bogdanm | 0:9b334a45a8ff | 674 | |
bogdanm | 0:9b334a45a8ff | 675 | /** |
bogdanm | 0:9b334a45a8ff | 676 | * @brief Set the specific FLASH error flag. |
bogdanm | 0:9b334a45a8ff | 677 | * @retval None |
bogdanm | 0:9b334a45a8ff | 678 | */ |
bogdanm | 0:9b334a45a8ff | 679 | static void FLASH_SetErrorCode(void) |
bogdanm | 0:9b334a45a8ff | 680 | { |
bogdanm | 0:9b334a45a8ff | 681 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
bogdanm | 0:9b334a45a8ff | 682 | { |
bogdanm | 0:9b334a45a8ff | 683 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; |
bogdanm | 0:9b334a45a8ff | 684 | } |
bogdanm | 0:9b334a45a8ff | 685 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR)) |
bogdanm | 0:9b334a45a8ff | 686 | { |
bogdanm | 0:9b334a45a8ff | 687 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_PGA; |
bogdanm | 0:9b334a45a8ff | 688 | } |
bogdanm | 0:9b334a45a8ff | 689 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR)) |
bogdanm | 0:9b334a45a8ff | 690 | { |
bogdanm | 0:9b334a45a8ff | 691 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_SIZE; |
bogdanm | 0:9b334a45a8ff | 692 | } |
bogdanm | 0:9b334a45a8ff | 693 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR)) |
bogdanm | 0:9b334a45a8ff | 694 | { |
mbed_official | 113:b3775bf36a83 | 695 | /* WARNING : On the first cut of STM32L031xx and STM32L041xx devices, |
mbed_official | 113:b3775bf36a83 | 696 | * (RefID = 0x1000) the FLASH_FLAG_OPTVERR bit was not behaving |
mbed_official | 113:b3775bf36a83 | 697 | * as expected. If the user run an application using the first |
mbed_official | 113:b3775bf36a83 | 698 | * cut of the STM32L031xx device or the first cut of the STM32L041xx |
mbed_official | 113:b3775bf36a83 | 699 | * device, this error should be ignored. The revId of the device |
mbed_official | 113:b3775bf36a83 | 700 | * can be retrieved via the HAL_GetREVID() function. |
mbed_official | 113:b3775bf36a83 | 701 | * |
mbed_official | 113:b3775bf36a83 | 702 | */ |
bogdanm | 0:9b334a45a8ff | 703 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_OPTV; |
bogdanm | 0:9b334a45a8ff | 704 | } |
bogdanm | 0:9b334a45a8ff | 705 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR)) |
bogdanm | 0:9b334a45a8ff | 706 | { |
bogdanm | 0:9b334a45a8ff | 707 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_RD; |
bogdanm | 0:9b334a45a8ff | 708 | } |
bogdanm | 0:9b334a45a8ff | 709 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR)) |
bogdanm | 0:9b334a45a8ff | 710 | { |
bogdanm | 0:9b334a45a8ff | 711 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_FWWERR; |
bogdanm | 0:9b334a45a8ff | 712 | } |
bogdanm | 0:9b334a45a8ff | 713 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR)) |
bogdanm | 0:9b334a45a8ff | 714 | { |
bogdanm | 0:9b334a45a8ff | 715 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_NOTZERO; |
bogdanm | 0:9b334a45a8ff | 716 | } |
bogdanm | 0:9b334a45a8ff | 717 | |
bogdanm | 0:9b334a45a8ff | 718 | /* Errors are now stored, clear errors flags */ |
mbed_official | 113:b3775bf36a83 | 719 | |
bogdanm | 0:9b334a45a8ff | 720 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR | |
bogdanm | 0:9b334a45a8ff | 721 | FLASH_FLAG_OPTVERR | FLASH_FLAG_RDERR | FLASH_FLAG_FWWERR | |
bogdanm | 0:9b334a45a8ff | 722 | FLASH_FLAG_NOTZEROERR); |
bogdanm | 0:9b334a45a8ff | 723 | } |
bogdanm | 0:9b334a45a8ff | 724 | |
bogdanm | 0:9b334a45a8ff | 725 | /** |
bogdanm | 0:9b334a45a8ff | 726 | * @brief Erases a specified page in program memory. |
bogdanm | 0:9b334a45a8ff | 727 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
bogdanm | 0:9b334a45a8ff | 728 | * must be called before. |
bogdanm | 0:9b334a45a8ff | 729 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
bogdanm | 0:9b334a45a8ff | 730 | * (recommended to protect the FLASH memory against possible unwanted operation) |
bogdanm | 0:9b334a45a8ff | 731 | * @param Page_Address: The page address in program memory to be erased. |
bogdanm | 0:9b334a45a8ff | 732 | * @note A Page is erased in the Program memory only if the address to load |
bogdanm | 0:9b334a45a8ff | 733 | * is the start address of a page (multiple of 128 bytes). |
bogdanm | 0:9b334a45a8ff | 734 | * @retval HAL_StatusTypeDef HAL Status |
bogdanm | 0:9b334a45a8ff | 735 | */ |
bogdanm | 0:9b334a45a8ff | 736 | void FLASH_ErasePage(uint32_t Page_Address) |
bogdanm | 0:9b334a45a8ff | 737 | { |
bogdanm | 0:9b334a45a8ff | 738 | /* Clean the error context */ |
bogdanm | 0:9b334a45a8ff | 739 | ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 740 | |
bogdanm | 0:9b334a45a8ff | 741 | /* Set the ERASE bit */ |
bogdanm | 0:9b334a45a8ff | 742 | SET_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
bogdanm | 0:9b334a45a8ff | 743 | |
bogdanm | 0:9b334a45a8ff | 744 | /* Set PROG bit */ |
bogdanm | 0:9b334a45a8ff | 745 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
bogdanm | 0:9b334a45a8ff | 746 | |
bogdanm | 0:9b334a45a8ff | 747 | /* Write 00000000h to the first word of the program page to erase */ |
bogdanm | 0:9b334a45a8ff | 748 | *(__IO uint32_t *)Page_Address = 0x00000000; |
bogdanm | 0:9b334a45a8ff | 749 | } |
bogdanm | 0:9b334a45a8ff | 750 | |
bogdanm | 0:9b334a45a8ff | 751 | /** |
bogdanm | 0:9b334a45a8ff | 752 | * @brief Program word (32-bit) at a specified address. |
bogdanm | 0:9b334a45a8ff | 753 | * @param Address: specifies the address to be programmed. |
bogdanm | 0:9b334a45a8ff | 754 | * @param Data: specifies the data to be programmed. |
bogdanm | 0:9b334a45a8ff | 755 | * @retval None |
bogdanm | 0:9b334a45a8ff | 756 | */ |
bogdanm | 0:9b334a45a8ff | 757 | static void FLASH_Program_Word(uint32_t Address, uint32_t Data) |
bogdanm | 0:9b334a45a8ff | 758 | { |
bogdanm | 0:9b334a45a8ff | 759 | /* Check the parameters */ |
bogdanm | 0:9b334a45a8ff | 760 | assert_param(IS_FLASH_PROGRAM_ADDRESS(Address)); |
bogdanm | 0:9b334a45a8ff | 761 | |
bogdanm | 0:9b334a45a8ff | 762 | /* Clean the error context */ |
bogdanm | 0:9b334a45a8ff | 763 | ProcFlash.ErrorCode = HAL_FLASH_ERROR_NONE; |
bogdanm | 0:9b334a45a8ff | 764 | |
bogdanm | 0:9b334a45a8ff | 765 | *(__IO uint32_t*)Address = Data; |
bogdanm | 0:9b334a45a8ff | 766 | } |
bogdanm | 0:9b334a45a8ff | 767 | |
bogdanm | 0:9b334a45a8ff | 768 | /** |
bogdanm | 0:9b334a45a8ff | 769 | * @} |
bogdanm | 0:9b334a45a8ff | 770 | */ |
bogdanm | 0:9b334a45a8ff | 771 | |
bogdanm | 0:9b334a45a8ff | 772 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
bogdanm | 0:9b334a45a8ff | 773 | |
bogdanm | 0:9b334a45a8ff | 774 | /** |
bogdanm | 0:9b334a45a8ff | 775 | * @} |
bogdanm | 0:9b334a45a8ff | 776 | */ |
bogdanm | 0:9b334a45a8ff | 777 | |
bogdanm | 0:9b334a45a8ff | 778 | /** |
bogdanm | 0:9b334a45a8ff | 779 | * @} |
bogdanm | 0:9b334a45a8ff | 780 | */ |
bogdanm | 0:9b334a45a8ff | 781 | |
bogdanm | 0:9b334a45a8ff | 782 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
bogdanm | 0:9b334a45a8ff | 783 |