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Last commit 20 Feb 2019 by 
mbed official
targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash_ramfunc.c@579:53297373a894, 2015-07-01 (annotated)
- Committer:
- mbed_official
- Date:
- Wed Jul 01 09:45:11 2015 +0100
- Revision:
- 579:53297373a894
- Parent:
- 489:119543c9f674
Synchronized with git revision d5b4d2ab9c47edb4dc5776e7177b0c2263459081
Full URL: https://github.com/mbedmicro/mbed/commit/d5b4d2ab9c47edb4dc5776e7177b0c2263459081/
Initial version of drivers for SAMR21
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| mbed_official | 376:cb4d9db17537 | 1 | /** |
| mbed_official | 376:cb4d9db17537 | 2 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 3 | * @file stm32l0xx_hal_flash_ramfunc.c |
| mbed_official | 376:cb4d9db17537 | 4 | * @author MCD Application Team |
| mbed_official | 489:119543c9f674 | 5 | * @version V1.2.0 |
| mbed_official | 489:119543c9f674 | 6 | * @date 06-February-2015 |
| mbed_official | 376:cb4d9db17537 | 7 | * @brief FLASH RAMFUNC driver. |
| mbed_official | 376:cb4d9db17537 | 8 | * This file provides a Flash firmware functions which should be |
| mbed_official | 376:cb4d9db17537 | 9 | * executed from internal SRAM |
| mbed_official | 376:cb4d9db17537 | 10 | * |
| mbed_official | 376:cb4d9db17537 | 11 | * @verbatim |
| mbed_official | 376:cb4d9db17537 | 12 | |
| mbed_official | 376:cb4d9db17537 | 13 | *** ARM Compiler *** |
| mbed_official | 376:cb4d9db17537 | 14 | -------------------- |
| mbed_official | 376:cb4d9db17537 | 15 | [..] RAM functions are defined using the toolchain options. |
| mbed_official | 376:cb4d9db17537 | 16 | Functions that are be executed in RAM should reside in a separate |
| mbed_official | 376:cb4d9db17537 | 17 | source module. Using the 'Options for File' dialog you can simply change |
| mbed_official | 376:cb4d9db17537 | 18 | the 'Code / Const' area of a module to a memory space in physical RAM. |
| mbed_official | 376:cb4d9db17537 | 19 | Available memory areas are declared in the 'Target' tab of the |
| mbed_official | 376:cb4d9db17537 | 20 | Options for Target' dialog. |
| mbed_official | 376:cb4d9db17537 | 21 | |
| mbed_official | 376:cb4d9db17537 | 22 | *** ICCARM Compiler *** |
| mbed_official | 376:cb4d9db17537 | 23 | ----------------------- |
| mbed_official | 376:cb4d9db17537 | 24 | [..] RAM functions are defined using a specific toolchain keyword "__ramfunc". |
| mbed_official | 376:cb4d9db17537 | 25 | |
| mbed_official | 376:cb4d9db17537 | 26 | *** GNU Compiler *** |
| mbed_official | 376:cb4d9db17537 | 27 | -------------------- |
| mbed_official | 376:cb4d9db17537 | 28 | [..] RAM functions are defined using a specific toolchain attribute |
| mbed_official | 376:cb4d9db17537 | 29 | "__attribute__((section(".RamFunc")))". |
| mbed_official | 489:119543c9f674 | 30 | |
| mbed_official | 489:119543c9f674 | 31 | @endverbatim |
| mbed_official | 376:cb4d9db17537 | 32 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 33 | * @attention |
| mbed_official | 376:cb4d9db17537 | 34 | * |
| mbed_official | 489:119543c9f674 | 35 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
| mbed_official | 376:cb4d9db17537 | 36 | * |
| mbed_official | 376:cb4d9db17537 | 37 | * Redistribution and use in source and binary forms, with or without modification, |
| mbed_official | 376:cb4d9db17537 | 38 | * are permitted provided that the following conditions are met: |
| mbed_official | 376:cb4d9db17537 | 39 | * 1. Redistributions of source code must retain the above copyright notice, |
| mbed_official | 376:cb4d9db17537 | 40 | * this list of conditions and the following disclaimer. |
| mbed_official | 376:cb4d9db17537 | 41 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| mbed_official | 376:cb4d9db17537 | 42 | * this list of conditions and the following disclaimer in the documentation |
| mbed_official | 376:cb4d9db17537 | 43 | * and/or other materials provided with the distribution. |
| mbed_official | 376:cb4d9db17537 | 44 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| mbed_official | 376:cb4d9db17537 | 45 | * may be used to endorse or promote products derived from this software |
| mbed_official | 376:cb4d9db17537 | 46 | * without specific prior written permission. |
| mbed_official | 376:cb4d9db17537 | 47 | * |
| mbed_official | 376:cb4d9db17537 | 48 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| mbed_official | 376:cb4d9db17537 | 49 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| mbed_official | 376:cb4d9db17537 | 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| mbed_official | 376:cb4d9db17537 | 51 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| mbed_official | 376:cb4d9db17537 | 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| mbed_official | 376:cb4d9db17537 | 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| mbed_official | 376:cb4d9db17537 | 54 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| mbed_official | 376:cb4d9db17537 | 55 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| mbed_official | 376:cb4d9db17537 | 56 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| mbed_official | 376:cb4d9db17537 | 57 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| mbed_official | 376:cb4d9db17537 | 58 | * |
| mbed_official | 376:cb4d9db17537 | 59 | ****************************************************************************** |
| mbed_official | 376:cb4d9db17537 | 60 | */ |
| mbed_official | 376:cb4d9db17537 | 61 | |
| mbed_official | 376:cb4d9db17537 | 62 | /* Includes ------------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 63 | #include "stm32l0xx_hal.h" |
| mbed_official | 489:119543c9f674 | 64 | |
| mbed_official | 489:119543c9f674 | 65 | #ifdef HAL_FLASH_MODULE_ENABLED |
| mbed_official | 489:119543c9f674 | 66 | /** @addtogroup STM32L0xx_HAL_Driver |
| mbed_official | 376:cb4d9db17537 | 67 | * @{ |
| mbed_official | 376:cb4d9db17537 | 68 | */ |
| mbed_official | 376:cb4d9db17537 | 69 | |
| mbed_official | 489:119543c9f674 | 70 | /** @addtogroup FLASHRamfunc |
| mbed_official | 376:cb4d9db17537 | 71 | * @brief FLASH functions executed from RAM |
| mbed_official | 376:cb4d9db17537 | 72 | * @{ |
| mbed_official | 376:cb4d9db17537 | 73 | */ |
| mbed_official | 376:cb4d9db17537 | 74 | |
| mbed_official | 376:cb4d9db17537 | 75 | /* Private typedef -----------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 76 | /* Private define ------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 77 | /* Private macro -------------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 78 | /* Private variables ---------------------------------------------------------*/ |
| mbed_official | 376:cb4d9db17537 | 79 | /* Private function prototypes -----------------------------------------------*/ |
| mbed_official | 489:119543c9f674 | 80 | static __RAM_FUNC FLASHRAM_WaitForLastOperation(uint32_t Timeout); |
| mbed_official | 489:119543c9f674 | 81 | static __RAM_FUNC FLASHRAM_SetErrorCode(void); |
| mbed_official | 376:cb4d9db17537 | 82 | |
| mbed_official | 376:cb4d9db17537 | 83 | |
| mbed_official | 489:119543c9f674 | 84 | /** @addtogroup FLASHRamfunc_Exported_Functions |
| mbed_official | 376:cb4d9db17537 | 85 | * |
| mbed_official | 376:cb4d9db17537 | 86 | @verbatim |
| mbed_official | 376:cb4d9db17537 | 87 | =============================================================================== |
| mbed_official | 376:cb4d9db17537 | 88 | ##### ramfunc functions ##### |
| mbed_official | 376:cb4d9db17537 | 89 | =============================================================================== |
| mbed_official | 376:cb4d9db17537 | 90 | [..] |
| mbed_official | 376:cb4d9db17537 | 91 | This subsection provides a set of functions that should be executed from RAM |
| mbed_official | 376:cb4d9db17537 | 92 | transfers. |
| mbed_official | 376:cb4d9db17537 | 93 | |
| mbed_official | 376:cb4d9db17537 | 94 | @endverbatim |
| mbed_official | 376:cb4d9db17537 | 95 | * @{ |
| mbed_official | 376:cb4d9db17537 | 96 | */ |
| mbed_official | 376:cb4d9db17537 | 97 | |
| mbed_official | 489:119543c9f674 | 98 | /** @addtogroup FLASHRamfunc_Exported_Functions_Group1 |
| mbed_official | 489:119543c9f674 | 99 | * @{ |
| mbed_official | 489:119543c9f674 | 100 | */ |
| mbed_official | 489:119543c9f674 | 101 | |
| mbed_official | 376:cb4d9db17537 | 102 | /** |
| mbed_official | 489:119543c9f674 | 103 | * @brief Enable the power down mode during RUN mode. |
| mbed_official | 489:119543c9f674 | 104 | * @note This function can be used only when the user code is running from Internal SRAM. |
| mbed_official | 489:119543c9f674 | 105 | * @param None |
| mbed_official | 489:119543c9f674 | 106 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 107 | */ |
| mbed_official | 489:119543c9f674 | 108 | __RAM_FUNC HAL_FLASHEx_EnableRunPowerDown(void) |
| mbed_official | 376:cb4d9db17537 | 109 | { |
| mbed_official | 489:119543c9f674 | 110 | /* Enable the Power Down in Run mode*/ |
| mbed_official | 489:119543c9f674 | 111 | __HAL_FLASH_POWER_DOWN_ENABLE(); |
| mbed_official | 489:119543c9f674 | 112 | return HAL_OK; |
| mbed_official | 376:cb4d9db17537 | 113 | } |
| mbed_official | 376:cb4d9db17537 | 114 | |
| mbed_official | 376:cb4d9db17537 | 115 | /** |
| mbed_official | 489:119543c9f674 | 116 | * @brief Disable the power down mode during RUN mode. |
| mbed_official | 489:119543c9f674 | 117 | * @note This function can be used only when the user code is running from Internal SRAM. |
| mbed_official | 376:cb4d9db17537 | 118 | * @param None |
| mbed_official | 376:cb4d9db17537 | 119 | * @retval None |
| mbed_official | 376:cb4d9db17537 | 120 | */ |
| mbed_official | 489:119543c9f674 | 121 | __RAM_FUNC HAL_FLASHEx_DisableRunPowerDown(void) |
| mbed_official | 376:cb4d9db17537 | 122 | { |
| mbed_official | 376:cb4d9db17537 | 123 | /* Disable the Power Down in Run mode*/ |
| mbed_official | 376:cb4d9db17537 | 124 | __HAL_FLASH_POWER_DOWN_DISABLE(); |
| mbed_official | 376:cb4d9db17537 | 125 | return HAL_OK; |
| mbed_official | 376:cb4d9db17537 | 126 | } |
| mbed_official | 376:cb4d9db17537 | 127 | |
| mbed_official | 376:cb4d9db17537 | 128 | /** |
| mbed_official | 376:cb4d9db17537 | 129 | * @} |
| mbed_official | 376:cb4d9db17537 | 130 | */ |
| mbed_official | 376:cb4d9db17537 | 131 | |
| mbed_official | 489:119543c9f674 | 132 | /** @addtogroup FLASHRamfunc_Exported_Functions_Group2 |
| mbed_official | 489:119543c9f674 | 133 | * |
| mbed_official | 489:119543c9f674 | 134 | @verbatim |
| mbed_official | 489:119543c9f674 | 135 | @endverbatim |
| mbed_official | 489:119543c9f674 | 136 | * @{ |
| mbed_official | 489:119543c9f674 | 137 | */ |
| mbed_official | 489:119543c9f674 | 138 | |
| mbed_official | 489:119543c9f674 | 139 | #if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx) |
| mbed_official | 376:cb4d9db17537 | 140 | /** |
| mbed_official | 489:119543c9f674 | 141 | * @brief Erases a specified 2 pages in program memory in parallel. |
| mbed_official | 489:119543c9f674 | 142 | * @note This function can be used only for STM32L07xxx/STM32L08xxx devices. |
| mbed_official | 489:119543c9f674 | 143 | * To correctly run this function, the HAL_FLASH_Unlock() function |
| mbed_official | 489:119543c9f674 | 144 | * must be called before. |
| mbed_official | 489:119543c9f674 | 145 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| mbed_official | 489:119543c9f674 | 146 | * (recommended to protect the FLASH memory against possible unwanted operation). |
| mbed_official | 489:119543c9f674 | 147 | * @param Page_Address1: The page address in program memory to be erased in |
| mbed_official | 489:119543c9f674 | 148 | * the first Bank (BANK1). This parameter should be between FLASH_BASE |
| mbed_official | 489:119543c9f674 | 149 | * and FLASH_BANK1_END. |
| mbed_official | 489:119543c9f674 | 150 | * @param Page_Address2: The page address in program memory to be erased in |
| mbed_official | 489:119543c9f674 | 151 | * the second Bank (BANK2). This parameter should be between FLASH_BANK2_BASE |
| mbed_official | 489:119543c9f674 | 152 | * and FLASH_BANK2_END. |
| mbed_official | 489:119543c9f674 | 153 | * @note A Page is erased in the Program memory only if the address to load |
| mbed_official | 489:119543c9f674 | 154 | * is the start address of a page (multiple of 128 bytes). |
| mbed_official | 489:119543c9f674 | 155 | * @retval HAL Status: The returned value can be: |
| mbed_official | 489:119543c9f674 | 156 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| mbed_official | 376:cb4d9db17537 | 157 | */ |
| mbed_official | 489:119543c9f674 | 158 | __RAM_FUNC HAL_FLASHEx_EraseParallelPage(uint32_t Page_Address1, uint32_t Page_Address2) |
| mbed_official | 376:cb4d9db17537 | 159 | { |
| mbed_official | 376:cb4d9db17537 | 160 | HAL_StatusTypeDef status = HAL_OK; |
| mbed_official | 489:119543c9f674 | 161 | |
| mbed_official | 489:119543c9f674 | 162 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 163 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 376:cb4d9db17537 | 164 | |
| mbed_official | 489:119543c9f674 | 165 | if(status == HAL_OK) |
| mbed_official | 489:119543c9f674 | 166 | { |
| mbed_official | 489:119543c9f674 | 167 | /* Proceed to erase the page */ |
| mbed_official | 489:119543c9f674 | 168 | SET_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| mbed_official | 489:119543c9f674 | 169 | SET_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
| mbed_official | 489:119543c9f674 | 170 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 376:cb4d9db17537 | 171 | |
| mbed_official | 489:119543c9f674 | 172 | /* Write 00000000h to the first word of the first program page to erase */ |
| mbed_official | 489:119543c9f674 | 173 | *(__IO uint32_t *)Page_Address1 = 0x00000000; |
| mbed_official | 489:119543c9f674 | 174 | /* Write 00000000h to the first word of the second program page to erase */ |
| mbed_official | 489:119543c9f674 | 175 | *(__IO uint32_t *)Page_Address2 = 0x00000000; |
| mbed_official | 489:119543c9f674 | 176 | |
| mbed_official | 489:119543c9f674 | 177 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 178 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 376:cb4d9db17537 | 179 | |
| mbed_official | 489:119543c9f674 | 180 | /* If the erase operation is completed, disable the ERASE, PROG and PARALLBANK bits */ |
| mbed_official | 489:119543c9f674 | 181 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 489:119543c9f674 | 182 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
| mbed_official | 489:119543c9f674 | 183 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| mbed_official | 489:119543c9f674 | 184 | } |
| mbed_official | 489:119543c9f674 | 185 | /* Return the erasesStatus */ |
| mbed_official | 376:cb4d9db17537 | 186 | return status; |
| mbed_official | 376:cb4d9db17537 | 187 | } |
| mbed_official | 376:cb4d9db17537 | 188 | |
| mbed_official | 376:cb4d9db17537 | 189 | /** |
| mbed_official | 489:119543c9f674 | 190 | * @brief Programs 2 half pages in program memory in parallel. The half page size is 16 Words. |
| mbed_official | 489:119543c9f674 | 191 | * @note This function can be used only for STM32L07xxx/STM32L08xxx devices. |
| mbed_official | 489:119543c9f674 | 192 | * @param Address1: specifies the first address to be written in the first bank |
| mbed_official | 489:119543c9f674 | 193 | * (BANK1). This parameter should be between FLASH_BASE and (FLASH_BANK1_END - FLASH_PAGE_SIZE). |
| mbed_official | 489:119543c9f674 | 194 | * @param pBuffer1: pointer to the buffer containing the data to be written |
| mbed_official | 489:119543c9f674 | 195 | * to the first half page in the first bank. |
| mbed_official | 489:119543c9f674 | 196 | * @param Address2: specifies the second address to be written in the second bank |
| mbed_official | 489:119543c9f674 | 197 | * (BANK2). This parameter should be between FLASH_BANK2_BASE and (FLASH_BANK2_END - FLASH_PAGE_SIZE). |
| mbed_official | 489:119543c9f674 | 198 | * @param pBuffer2: pointer to the buffer containing the data to be written |
| mbed_official | 489:119543c9f674 | 199 | * to the second half page in the second bank. |
| mbed_official | 489:119543c9f674 | 200 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
| mbed_official | 489:119543c9f674 | 201 | * must be called before. |
| mbed_official | 489:119543c9f674 | 202 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| mbed_official | 489:119543c9f674 | 203 | * (recommended to protect the FLASH memory against possible unwanted operation). |
| mbed_official | 489:119543c9f674 | 204 | * @note Half page write is possible only from SRAM. |
| mbed_official | 489:119543c9f674 | 205 | * @note A half page is written to the program memory only if the first |
| mbed_official | 489:119543c9f674 | 206 | * address to load is the start address of a half page (multiple of 64 |
| mbed_official | 489:119543c9f674 | 207 | * bytes) and the 15 remaining words to load are in the same half page. |
| mbed_official | 489:119543c9f674 | 208 | * @note During the Program memory half page write all read operations are |
| mbed_official | 489:119543c9f674 | 209 | * forbidden (this includes DMA read operations and debugger read |
| mbed_official | 489:119543c9f674 | 210 | * operations such as breakpoints, periodic updates, etc.). |
| mbed_official | 489:119543c9f674 | 211 | * @note If a PGAERR is set during a Program memory half page write, the |
| mbed_official | 489:119543c9f674 | 212 | * complete write operation is aborted. Software should then reset the |
| mbed_official | 489:119543c9f674 | 213 | * FPRG and PROG/DATA bits and restart the write operation from the |
| mbed_official | 489:119543c9f674 | 214 | * beginning. |
| mbed_official | 489:119543c9f674 | 215 | * @retval HAL Status: The returned value can be: |
| mbed_official | 489:119543c9f674 | 216 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| mbed_official | 489:119543c9f674 | 217 | */ |
| mbed_official | 489:119543c9f674 | 218 | __RAM_FUNC HAL_FLASHEx_ProgramParallelHalfPage(uint32_t Address1, uint32_t* pBuffer1, uint32_t Address2, uint32_t* pBuffer2) |
| mbed_official | 489:119543c9f674 | 219 | { |
| mbed_official | 489:119543c9f674 | 220 | uint32_t count; |
| mbed_official | 489:119543c9f674 | 221 | HAL_StatusTypeDef status; |
| mbed_official | 489:119543c9f674 | 222 | |
| mbed_official | 489:119543c9f674 | 223 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 224 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 489:119543c9f674 | 225 | |
| mbed_official | 489:119543c9f674 | 226 | if(status == HAL_OK) |
| mbed_official | 489:119543c9f674 | 227 | { |
| mbed_official | 489:119543c9f674 | 228 | /* Proceed to program the new half page */ |
| mbed_official | 489:119543c9f674 | 229 | SET_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| mbed_official | 489:119543c9f674 | 230 | SET_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| mbed_official | 489:119543c9f674 | 231 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 489:119543c9f674 | 232 | |
| mbed_official | 489:119543c9f674 | 233 | |
| mbed_official | 489:119543c9f674 | 234 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 235 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 489:119543c9f674 | 236 | |
| mbed_official | 489:119543c9f674 | 237 | if(status == HAL_OK) |
| mbed_official | 489:119543c9f674 | 238 | { |
| mbed_official | 489:119543c9f674 | 239 | /* Write one half page, |
| mbed_official | 489:119543c9f674 | 240 | Address1 doesn't need to be increased */ |
| mbed_official | 489:119543c9f674 | 241 | count = 0; |
| mbed_official | 489:119543c9f674 | 242 | |
| mbed_official | 489:119543c9f674 | 243 | /* Disable all IRQs */ |
| mbed_official | 489:119543c9f674 | 244 | __disable_irq(); |
| mbed_official | 489:119543c9f674 | 245 | |
| mbed_official | 489:119543c9f674 | 246 | while(count < 16) |
| mbed_official | 489:119543c9f674 | 247 | { |
| mbed_official | 489:119543c9f674 | 248 | *(__IO uint32_t*) Address1 = *pBuffer1; |
| mbed_official | 489:119543c9f674 | 249 | pBuffer1++; |
| mbed_official | 489:119543c9f674 | 250 | count++; |
| mbed_official | 489:119543c9f674 | 251 | } |
| mbed_official | 489:119543c9f674 | 252 | |
| mbed_official | 489:119543c9f674 | 253 | /* Write the second half page, |
| mbed_official | 489:119543c9f674 | 254 | Address2 doesn't need to be increased */ |
| mbed_official | 489:119543c9f674 | 255 | count = 0; |
| mbed_official | 489:119543c9f674 | 256 | while(count < 16) |
| mbed_official | 489:119543c9f674 | 257 | { |
| mbed_official | 489:119543c9f674 | 258 | *(__IO uint32_t*) Address2 = *pBuffer2; |
| mbed_official | 489:119543c9f674 | 259 | pBuffer2++; |
| mbed_official | 489:119543c9f674 | 260 | count++; |
| mbed_official | 489:119543c9f674 | 261 | } |
| mbed_official | 489:119543c9f674 | 262 | |
| mbed_official | 489:119543c9f674 | 263 | /* Enable IRQs */ |
| mbed_official | 489:119543c9f674 | 264 | __enable_irq(); |
| mbed_official | 489:119543c9f674 | 265 | |
| mbed_official | 489:119543c9f674 | 266 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 267 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 489:119543c9f674 | 268 | } |
| mbed_official | 489:119543c9f674 | 269 | /* if the write operation is completed, disable the PROG, FPRG and PARALLBANK bits */ |
| mbed_official | 489:119543c9f674 | 270 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 489:119543c9f674 | 271 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| mbed_official | 489:119543c9f674 | 272 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| mbed_official | 489:119543c9f674 | 273 | } |
| mbed_official | 489:119543c9f674 | 274 | /* Return the Write Status */ |
| mbed_official | 489:119543c9f674 | 275 | return status; |
| mbed_official | 489:119543c9f674 | 276 | } |
| mbed_official | 489:119543c9f674 | 277 | #endif /* STM32L071xx || STM32L072xx || STM32L073xx || STM32L081xx || STM32L082xx || STM32L083xx */ |
| mbed_official | 489:119543c9f674 | 278 | |
| mbed_official | 489:119543c9f674 | 279 | /** |
| mbed_official | 489:119543c9f674 | 280 | * @brief Program a half page in program memory. |
| mbed_official | 489:119543c9f674 | 281 | * @param Address: specifies the address to be written. |
| mbed_official | 489:119543c9f674 | 282 | * @param pBuffer: pointer to the buffer containing the data to be written to |
| mbed_official | 489:119543c9f674 | 283 | * the half page. |
| mbed_official | 489:119543c9f674 | 284 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
| mbed_official | 489:119543c9f674 | 285 | * must be called before. |
| mbed_official | 489:119543c9f674 | 286 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| mbed_official | 489:119543c9f674 | 287 | * (recommended to protect the FLASH memory against possible unwanted operation) |
| mbed_official | 489:119543c9f674 | 288 | * @note Half page write is possible only from SRAM. |
| mbed_official | 489:119543c9f674 | 289 | * @note A half page is written to the program memory only if the first |
| mbed_official | 489:119543c9f674 | 290 | * address to load is the start address of a half page (multiple of 64 |
| mbed_official | 489:119543c9f674 | 291 | * bytes) and the 15 remaining words to load are in the same half page. |
| mbed_official | 489:119543c9f674 | 292 | * @note During the Program memory half page write all read operations are |
| mbed_official | 489:119543c9f674 | 293 | * forbidden (this includes DMA read operations and debugger read |
| mbed_official | 489:119543c9f674 | 294 | * operations such as breakpoints, periodic updates, etc.). |
| mbed_official | 489:119543c9f674 | 295 | * @note If a PGAERR is set during a Program memory half page write, the |
| mbed_official | 489:119543c9f674 | 296 | * complete write operation is aborted. Software should then reset the |
| mbed_official | 489:119543c9f674 | 297 | * FPRG and PROG/DATA bits and restart the write operation from the |
| mbed_official | 489:119543c9f674 | 298 | * beginning. |
| mbed_official | 489:119543c9f674 | 299 | * @retval HAL Status: The returned value can be: |
| mbed_official | 489:119543c9f674 | 300 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| mbed_official | 489:119543c9f674 | 301 | */ |
| mbed_official | 489:119543c9f674 | 302 | __RAM_FUNC HAL_FLASHEx_HalfPageProgram(uint32_t Address, uint32_t *pBuffer) |
| mbed_official | 489:119543c9f674 | 303 | { |
| mbed_official | 489:119543c9f674 | 304 | uint32_t count; |
| mbed_official | 489:119543c9f674 | 305 | HAL_StatusTypeDef status; |
| mbed_official | 489:119543c9f674 | 306 | |
| mbed_official | 489:119543c9f674 | 307 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 308 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 489:119543c9f674 | 309 | |
| mbed_official | 489:119543c9f674 | 310 | if(status == HAL_OK) |
| mbed_official | 489:119543c9f674 | 311 | { |
| mbed_official | 489:119543c9f674 | 312 | /* Proceed to program the new half page */ |
| mbed_official | 489:119543c9f674 | 313 | SET_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| mbed_official | 489:119543c9f674 | 314 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 376:cb4d9db17537 | 315 | |
| mbed_official | 376:cb4d9db17537 | 316 | |
| mbed_official | 489:119543c9f674 | 317 | count = 0; |
| mbed_official | 489:119543c9f674 | 318 | /* Write one half page, |
| mbed_official | 489:119543c9f674 | 319 | Address doesn't need to be increased */ |
| mbed_official | 489:119543c9f674 | 320 | |
| mbed_official | 489:119543c9f674 | 321 | /* Disable all IRQs */ |
| mbed_official | 489:119543c9f674 | 322 | __disable_irq(); |
| mbed_official | 489:119543c9f674 | 323 | |
| mbed_official | 489:119543c9f674 | 324 | while(count < 16) |
| mbed_official | 489:119543c9f674 | 325 | { |
| mbed_official | 489:119543c9f674 | 326 | *(__IO uint32_t*) Address = *pBuffer; |
| mbed_official | 489:119543c9f674 | 327 | pBuffer++; |
| mbed_official | 489:119543c9f674 | 328 | count++; |
| mbed_official | 489:119543c9f674 | 329 | } |
| mbed_official | 489:119543c9f674 | 330 | |
| mbed_official | 489:119543c9f674 | 331 | /* Enable IRQs */ |
| mbed_official | 489:119543c9f674 | 332 | __enable_irq(); |
| mbed_official | 376:cb4d9db17537 | 333 | |
| mbed_official | 489:119543c9f674 | 334 | /* Wait for last operation to be completed */ |
| mbed_official | 489:119543c9f674 | 335 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| mbed_official | 489:119543c9f674 | 336 | |
| mbed_official | 489:119543c9f674 | 337 | /* If the write operation is completed, disable the PROG and FPRG bits */ |
| mbed_official | 489:119543c9f674 | 338 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| mbed_official | 489:119543c9f674 | 339 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| mbed_official | 489:119543c9f674 | 340 | } |
| mbed_official | 489:119543c9f674 | 341 | /* Return the write status */ |
| mbed_official | 489:119543c9f674 | 342 | return status; |
| mbed_official | 489:119543c9f674 | 343 | } |
| mbed_official | 489:119543c9f674 | 344 | |
| mbed_official | 489:119543c9f674 | 345 | /** |
| mbed_official | 489:119543c9f674 | 346 | * @brief Get the specific FLASH errors flag. |
| mbed_official | 489:119543c9f674 | 347 | * @param error pointer is the error value. It can be a mixed of : |
| mbed_official | 489:119543c9f674 | 348 | * @arg HAL_FLASH_ERROR_RD: FLASH Read Protection error flag (PCROP) |
| mbed_official | 489:119543c9f674 | 349 | * @arg HAL_FLASH_ERROR_SIZE: FLASH Programming Parallelism error flag |
| mbed_official | 489:119543c9f674 | 350 | * @arg HAL_FLASH_ERROR_PGA: FLASH Programming Alignment error flag |
| mbed_official | 489:119543c9f674 | 351 | * @arg HAL_FLASH_ERROR_WRP: FLASH Write protected error flag |
| mbed_official | 489:119543c9f674 | 352 | * @arg HAL_FLASH_ERROR_OPTV: FLASH Option valid error flag |
| mbed_official | 489:119543c9f674 | 353 | * @arg HAL_FLASH_ERROR_FWWERR: FLASH Write or Errase operation aborted |
| mbed_official | 489:119543c9f674 | 354 | * @arg HAL_FLASH_ERROR_NOTZERO: FLASH Write operation is done in a not-erased region |
| mbed_official | 489:119543c9f674 | 355 | */ |
| mbed_official | 489:119543c9f674 | 356 | __RAM_FUNC HAL_FLASHRAM_GetError(uint32_t * error) |
| mbed_official | 489:119543c9f674 | 357 | { |
| mbed_official | 489:119543c9f674 | 358 | *error = ProcFlash.ErrorCode; |
| mbed_official | 489:119543c9f674 | 359 | return HAL_OK; |
| mbed_official | 489:119543c9f674 | 360 | } |
| mbed_official | 489:119543c9f674 | 361 | |
| mbed_official | 489:119543c9f674 | 362 | |
| mbed_official | 489:119543c9f674 | 363 | |
| mbed_official | 376:cb4d9db17537 | 364 | /** |
| mbed_official | 376:cb4d9db17537 | 365 | * @} |
| mbed_official | 376:cb4d9db17537 | 366 | */ |
| mbed_official | 376:cb4d9db17537 | 367 | |
| mbed_official | 376:cb4d9db17537 | 368 | /** |
| mbed_official | 376:cb4d9db17537 | 369 | * @} |
| mbed_official | 376:cb4d9db17537 | 370 | */ |
| mbed_official | 376:cb4d9db17537 | 371 | |
| mbed_official | 489:119543c9f674 | 372 | /** @defgroup FLASHRamfunc_Private_Functions FLASH RAM Private Functions |
| mbed_official | 489:119543c9f674 | 373 | * @{ |
| mbed_official | 489:119543c9f674 | 374 | */ |
| mbed_official | 489:119543c9f674 | 375 | |
| mbed_official | 489:119543c9f674 | 376 | /** |
| mbed_official | 489:119543c9f674 | 377 | * @brief Set the specific FLASH error flag. |
| mbed_official | 489:119543c9f674 | 378 | * @param None |
| mbed_official | 489:119543c9f674 | 379 | * @retval None |
| mbed_official | 489:119543c9f674 | 380 | */ |
| mbed_official | 489:119543c9f674 | 381 | static __RAM_FUNC FLASHRAM_SetErrorCode(void) |
| mbed_official | 489:119543c9f674 | 382 | { |
| mbed_official | 489:119543c9f674 | 383 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
| mbed_official | 489:119543c9f674 | 384 | { |
| mbed_official | 489:119543c9f674 | 385 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; |
| mbed_official | 489:119543c9f674 | 386 | } |
| mbed_official | 489:119543c9f674 | 387 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR)) |
| mbed_official | 489:119543c9f674 | 388 | { |
| mbed_official | 489:119543c9f674 | 389 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_PGA; |
| mbed_official | 489:119543c9f674 | 390 | } |
| mbed_official | 489:119543c9f674 | 391 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR)) |
| mbed_official | 489:119543c9f674 | 392 | { |
| mbed_official | 489:119543c9f674 | 393 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_SIZE; |
| mbed_official | 489:119543c9f674 | 394 | } |
| mbed_official | 489:119543c9f674 | 395 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR)) |
| mbed_official | 489:119543c9f674 | 396 | { |
| mbed_official | 489:119543c9f674 | 397 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_OPTV; |
| mbed_official | 489:119543c9f674 | 398 | } |
| mbed_official | 489:119543c9f674 | 399 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR)) |
| mbed_official | 489:119543c9f674 | 400 | { |
| mbed_official | 489:119543c9f674 | 401 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_RD; |
| mbed_official | 489:119543c9f674 | 402 | } |
| mbed_official | 489:119543c9f674 | 403 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR)) |
| mbed_official | 489:119543c9f674 | 404 | { |
| mbed_official | 489:119543c9f674 | 405 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_FWWERR; |
| mbed_official | 489:119543c9f674 | 406 | } |
| mbed_official | 489:119543c9f674 | 407 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR)) |
| mbed_official | 489:119543c9f674 | 408 | { |
| mbed_official | 489:119543c9f674 | 409 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_NOTZERO; |
| mbed_official | 489:119543c9f674 | 410 | } |
| mbed_official | 489:119543c9f674 | 411 | |
| mbed_official | 489:119543c9f674 | 412 | /* Errors are now stored, clear errors flags */ |
| mbed_official | 489:119543c9f674 | 413 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR | |
| mbed_official | 489:119543c9f674 | 414 | FLASH_FLAG_OPTVERR | FLASH_FLAG_RDERR | FLASH_FLAG_FWWERR | |
| mbed_official | 489:119543c9f674 | 415 | FLASH_FLAG_NOTZEROERR); |
| mbed_official | 489:119543c9f674 | 416 | return HAL_OK; |
| mbed_official | 489:119543c9f674 | 417 | } |
| mbed_official | 489:119543c9f674 | 418 | |
| mbed_official | 489:119543c9f674 | 419 | |
| mbed_official | 489:119543c9f674 | 420 | /** |
| mbed_official | 489:119543c9f674 | 421 | * @brief Wait for a FLASH operation to complete. |
| mbed_official | 489:119543c9f674 | 422 | * @param Timeout: maximum flash operationtimeout |
| mbed_official | 489:119543c9f674 | 423 | * @retval HAL status |
| mbed_official | 489:119543c9f674 | 424 | */ |
| mbed_official | 489:119543c9f674 | 425 | static __RAM_FUNC FLASHRAM_WaitForLastOperation(uint32_t Timeout) |
| mbed_official | 489:119543c9f674 | 426 | { |
| mbed_official | 489:119543c9f674 | 427 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
| mbed_official | 489:119543c9f674 | 428 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
| mbed_official | 489:119543c9f674 | 429 | flag will be set */ |
| mbed_official | 489:119543c9f674 | 430 | |
| mbed_official | 489:119543c9f674 | 431 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) && (Timeout != 0x00)) |
| mbed_official | 489:119543c9f674 | 432 | { |
| mbed_official | 489:119543c9f674 | 433 | Timeout--; |
| mbed_official | 489:119543c9f674 | 434 | } |
| mbed_official | 489:119543c9f674 | 435 | |
| mbed_official | 489:119543c9f674 | 436 | if(Timeout == 0x00 ) |
| mbed_official | 489:119543c9f674 | 437 | { |
| mbed_official | 489:119543c9f674 | 438 | return HAL_TIMEOUT; |
| mbed_official | 489:119543c9f674 | 439 | } |
| mbed_official | 489:119543c9f674 | 440 | |
| mbed_official | 489:119543c9f674 | 441 | if( (__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 442 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 443 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 444 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 445 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 446 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR) != RESET) || |
| mbed_official | 489:119543c9f674 | 447 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR) != RESET) ) |
| mbed_official | 489:119543c9f674 | 448 | { |
| mbed_official | 489:119543c9f674 | 449 | /*Save the error code*/ |
| mbed_official | 489:119543c9f674 | 450 | FLASHRAM_SetErrorCode(); |
| mbed_official | 489:119543c9f674 | 451 | return HAL_ERROR; |
| mbed_official | 489:119543c9f674 | 452 | } |
| mbed_official | 489:119543c9f674 | 453 | |
| mbed_official | 489:119543c9f674 | 454 | /* If there is an error flag set */ |
| mbed_official | 489:119543c9f674 | 455 | return HAL_OK; |
| mbed_official | 489:119543c9f674 | 456 | } |
| mbed_official | 489:119543c9f674 | 457 | |
| mbed_official | 489:119543c9f674 | 458 | /** |
| mbed_official | 489:119543c9f674 | 459 | * @} |
| mbed_official | 489:119543c9f674 | 460 | */ |
| mbed_official | 489:119543c9f674 | 461 | |
| mbed_official | 489:119543c9f674 | 462 | /** |
| mbed_official | 489:119543c9f674 | 463 | * @} |
| mbed_official | 489:119543c9f674 | 464 | */ |
| mbed_official | 489:119543c9f674 | 465 | |
| mbed_official | 489:119543c9f674 | 466 | /** |
| mbed_official | 489:119543c9f674 | 467 | * @} |
| mbed_official | 489:119543c9f674 | 468 | */ |
| mbed_official | 489:119543c9f674 | 469 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
| mbed_official | 489:119543c9f674 | 470 | |
| mbed_official | 376:cb4d9db17537 | 471 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
| mbed_official | 376:cb4d9db17537 | 472 |
