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targets/cmsis/TARGET_STM/TARGET_STM32L0/stm32l0xx_hal_flash_ramfunc.c@0:9b334a45a8ff, 2015-10-01 (annotated)
- Committer:
- bogdanm
- Date:
- Thu Oct 01 15:25:22 2015 +0300
- Revision:
- 0:9b334a45a8ff
- Child:
- 113:b3775bf36a83
Initial commit on mbed-dev
Replaces mbed-src (now inactive)
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_ramfunc.c |
| bogdanm | 0:9b334a45a8ff | 4 | * @author MCD Application Team |
| bogdanm | 0:9b334a45a8ff | 5 | * @version V1.2.0 |
| bogdanm | 0:9b334a45a8ff | 6 | * @date 06-February-2015 |
| bogdanm | 0:9b334a45a8ff | 7 | * @brief FLASH RAMFUNC driver. |
| bogdanm | 0:9b334a45a8ff | 8 | * This file provides a Flash firmware functions which should be |
| bogdanm | 0:9b334a45a8ff | 9 | * executed from internal SRAM |
| bogdanm | 0:9b334a45a8ff | 10 | * |
| bogdanm | 0:9b334a45a8ff | 11 | * @verbatim |
| bogdanm | 0:9b334a45a8ff | 12 | |
| bogdanm | 0:9b334a45a8ff | 13 | *** ARM Compiler *** |
| bogdanm | 0:9b334a45a8ff | 14 | -------------------- |
| bogdanm | 0:9b334a45a8ff | 15 | [..] RAM functions are defined using the toolchain options. |
| bogdanm | 0:9b334a45a8ff | 16 | Functions that are be executed in RAM should reside in a separate |
| bogdanm | 0:9b334a45a8ff | 17 | source module. Using the 'Options for File' dialog you can simply change |
| bogdanm | 0:9b334a45a8ff | 18 | the 'Code / Const' area of a module to a memory space in physical RAM. |
| bogdanm | 0:9b334a45a8ff | 19 | Available memory areas are declared in the 'Target' tab of the |
| bogdanm | 0:9b334a45a8ff | 20 | Options for Target' dialog. |
| bogdanm | 0:9b334a45a8ff | 21 | |
| bogdanm | 0:9b334a45a8ff | 22 | *** ICCARM Compiler *** |
| bogdanm | 0:9b334a45a8ff | 23 | ----------------------- |
| bogdanm | 0:9b334a45a8ff | 24 | [..] RAM functions are defined using a specific toolchain keyword "__ramfunc". |
| bogdanm | 0:9b334a45a8ff | 25 | |
| bogdanm | 0:9b334a45a8ff | 26 | *** GNU Compiler *** |
| bogdanm | 0:9b334a45a8ff | 27 | -------------------- |
| bogdanm | 0:9b334a45a8ff | 28 | [..] RAM functions are defined using a specific toolchain attribute |
| bogdanm | 0:9b334a45a8ff | 29 | "__attribute__((section(".RamFunc")))". |
| bogdanm | 0:9b334a45a8ff | 30 | |
| bogdanm | 0:9b334a45a8ff | 31 | @endverbatim |
| bogdanm | 0:9b334a45a8ff | 32 | ****************************************************************************** |
| bogdanm | 0:9b334a45a8ff | 33 | * @attention |
| bogdanm | 0:9b334a45a8ff | 34 | * |
| bogdanm | 0:9b334a45a8ff | 35 | * <h2><center>© COPYRIGHT(c) 2015 STMicroelectronics</center></h2> |
| bogdanm | 0:9b334a45a8ff | 36 | * |
| bogdanm | 0:9b334a45a8ff | 37 | * Redistribution and use in source and binary forms, with or without modification, |
| bogdanm | 0:9b334a45a8ff | 38 | * are permitted provided that the following conditions are met: |
| bogdanm | 0:9b334a45a8ff | 39 | * 1. Redistributions of source code must retain the above copyright notice, |
| bogdanm | 0:9b334a45a8ff | 40 | * this list of conditions and the following disclaimer. |
| bogdanm | 0:9b334a45a8ff | 41 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| bogdanm | 0:9b334a45a8ff | 42 | * this list of conditions and the following disclaimer in the documentation |
| bogdanm | 0:9b334a45a8ff | 43 | * and/or other materials provided with the distribution. |
| bogdanm | 0:9b334a45a8ff | 44 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
| bogdanm | 0:9b334a45a8ff | 45 | * may be used to endorse or promote products derived from this software |
| bogdanm | 0:9b334a45a8ff | 46 | * without specific prior written permission. |
| bogdanm | 0:9b334a45a8ff | 47 | * |
| bogdanm | 0:9b334a45a8ff | 48 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| bogdanm | 0:9b334a45a8ff | 49 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| bogdanm | 0:9b334a45a8ff | 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| bogdanm | 0:9b334a45a8ff | 51 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| bogdanm | 0:9b334a45a8ff | 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| bogdanm | 0:9b334a45a8ff | 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| bogdanm | 0:9b334a45a8ff | 54 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| bogdanm | 0:9b334a45a8ff | 55 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| bogdanm | 0:9b334a45a8ff | 56 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| bogdanm | 0:9b334a45a8ff | 57 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| bogdanm | 0:9b334a45a8ff | 58 | * |
| bogdanm | 0:9b334a45a8ff | 59 | ****************************************************************************** |
| bogdanm | 0:9b334a45a8ff | 60 | */ |
| bogdanm | 0:9b334a45a8ff | 61 | |
| bogdanm | 0:9b334a45a8ff | 62 | /* Includes ------------------------------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 63 | #include "stm32l0xx_hal.h" |
| bogdanm | 0:9b334a45a8ff | 64 | |
| bogdanm | 0:9b334a45a8ff | 65 | #ifdef HAL_FLASH_MODULE_ENABLED |
| bogdanm | 0:9b334a45a8ff | 66 | /** @addtogroup STM32L0xx_HAL_Driver |
| bogdanm | 0:9b334a45a8ff | 67 | * @{ |
| bogdanm | 0:9b334a45a8ff | 68 | */ |
| bogdanm | 0:9b334a45a8ff | 69 | |
| bogdanm | 0:9b334a45a8ff | 70 | /** @addtogroup FLASHRamfunc |
| bogdanm | 0:9b334a45a8ff | 71 | * @brief FLASH functions executed from RAM |
| bogdanm | 0:9b334a45a8ff | 72 | * @{ |
| bogdanm | 0:9b334a45a8ff | 73 | */ |
| bogdanm | 0:9b334a45a8ff | 74 | |
| bogdanm | 0:9b334a45a8ff | 75 | /* Private typedef -----------------------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 76 | /* Private define ------------------------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 77 | /* Private macro -------------------------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 78 | /* Private variables ---------------------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 79 | /* Private function prototypes -----------------------------------------------*/ |
| bogdanm | 0:9b334a45a8ff | 80 | static __RAM_FUNC FLASHRAM_WaitForLastOperation(uint32_t Timeout); |
| bogdanm | 0:9b334a45a8ff | 81 | static __RAM_FUNC FLASHRAM_SetErrorCode(void); |
| bogdanm | 0:9b334a45a8ff | 82 | |
| bogdanm | 0:9b334a45a8ff | 83 | |
| bogdanm | 0:9b334a45a8ff | 84 | /** @addtogroup FLASHRamfunc_Exported_Functions |
| bogdanm | 0:9b334a45a8ff | 85 | * |
| bogdanm | 0:9b334a45a8ff | 86 | @verbatim |
| bogdanm | 0:9b334a45a8ff | 87 | =============================================================================== |
| bogdanm | 0:9b334a45a8ff | 88 | ##### ramfunc functions ##### |
| bogdanm | 0:9b334a45a8ff | 89 | =============================================================================== |
| bogdanm | 0:9b334a45a8ff | 90 | [..] |
| bogdanm | 0:9b334a45a8ff | 91 | This subsection provides a set of functions that should be executed from RAM |
| bogdanm | 0:9b334a45a8ff | 92 | transfers. |
| bogdanm | 0:9b334a45a8ff | 93 | |
| bogdanm | 0:9b334a45a8ff | 94 | @endverbatim |
| bogdanm | 0:9b334a45a8ff | 95 | * @{ |
| bogdanm | 0:9b334a45a8ff | 96 | */ |
| bogdanm | 0:9b334a45a8ff | 97 | |
| bogdanm | 0:9b334a45a8ff | 98 | /** @addtogroup FLASHRamfunc_Exported_Functions_Group1 |
| bogdanm | 0:9b334a45a8ff | 99 | * @{ |
| bogdanm | 0:9b334a45a8ff | 100 | */ |
| bogdanm | 0:9b334a45a8ff | 101 | |
| bogdanm | 0:9b334a45a8ff | 102 | /** |
| bogdanm | 0:9b334a45a8ff | 103 | * @brief Enable the power down mode during RUN mode. |
| bogdanm | 0:9b334a45a8ff | 104 | * @note This function can be used only when the user code is running from Internal SRAM. |
| bogdanm | 0:9b334a45a8ff | 105 | * @param None |
| bogdanm | 0:9b334a45a8ff | 106 | * @retval None |
| bogdanm | 0:9b334a45a8ff | 107 | */ |
| bogdanm | 0:9b334a45a8ff | 108 | __RAM_FUNC HAL_FLASHEx_EnableRunPowerDown(void) |
| bogdanm | 0:9b334a45a8ff | 109 | { |
| bogdanm | 0:9b334a45a8ff | 110 | /* Enable the Power Down in Run mode*/ |
| bogdanm | 0:9b334a45a8ff | 111 | __HAL_FLASH_POWER_DOWN_ENABLE(); |
| bogdanm | 0:9b334a45a8ff | 112 | return HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 113 | } |
| bogdanm | 0:9b334a45a8ff | 114 | |
| bogdanm | 0:9b334a45a8ff | 115 | /** |
| bogdanm | 0:9b334a45a8ff | 116 | * @brief Disable the power down mode during RUN mode. |
| bogdanm | 0:9b334a45a8ff | 117 | * @note This function can be used only when the user code is running from Internal SRAM. |
| bogdanm | 0:9b334a45a8ff | 118 | * @param None |
| bogdanm | 0:9b334a45a8ff | 119 | * @retval None |
| bogdanm | 0:9b334a45a8ff | 120 | */ |
| bogdanm | 0:9b334a45a8ff | 121 | __RAM_FUNC HAL_FLASHEx_DisableRunPowerDown(void) |
| bogdanm | 0:9b334a45a8ff | 122 | { |
| bogdanm | 0:9b334a45a8ff | 123 | /* Disable the Power Down in Run mode*/ |
| bogdanm | 0:9b334a45a8ff | 124 | __HAL_FLASH_POWER_DOWN_DISABLE(); |
| bogdanm | 0:9b334a45a8ff | 125 | return HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 126 | } |
| bogdanm | 0:9b334a45a8ff | 127 | |
| bogdanm | 0:9b334a45a8ff | 128 | /** |
| bogdanm | 0:9b334a45a8ff | 129 | * @} |
| bogdanm | 0:9b334a45a8ff | 130 | */ |
| bogdanm | 0:9b334a45a8ff | 131 | |
| bogdanm | 0:9b334a45a8ff | 132 | /** @addtogroup FLASHRamfunc_Exported_Functions_Group2 |
| bogdanm | 0:9b334a45a8ff | 133 | * |
| bogdanm | 0:9b334a45a8ff | 134 | @verbatim |
| bogdanm | 0:9b334a45a8ff | 135 | @endverbatim |
| bogdanm | 0:9b334a45a8ff | 136 | * @{ |
| bogdanm | 0:9b334a45a8ff | 137 | */ |
| bogdanm | 0:9b334a45a8ff | 138 | |
| bogdanm | 0:9b334a45a8ff | 139 | #if defined(STM32L071xx) || defined(STM32L072xx) || defined(STM32L073xx) || defined(STM32L081xx) || defined(STM32L082xx) || defined(STM32L083xx) |
| bogdanm | 0:9b334a45a8ff | 140 | /** |
| bogdanm | 0:9b334a45a8ff | 141 | * @brief Erases a specified 2 pages in program memory in parallel. |
| bogdanm | 0:9b334a45a8ff | 142 | * @note This function can be used only for STM32L07xxx/STM32L08xxx devices. |
| bogdanm | 0:9b334a45a8ff | 143 | * To correctly run this function, the HAL_FLASH_Unlock() function |
| bogdanm | 0:9b334a45a8ff | 144 | * must be called before. |
| bogdanm | 0:9b334a45a8ff | 145 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| bogdanm | 0:9b334a45a8ff | 146 | * (recommended to protect the FLASH memory against possible unwanted operation). |
| bogdanm | 0:9b334a45a8ff | 147 | * @param Page_Address1: The page address in program memory to be erased in |
| bogdanm | 0:9b334a45a8ff | 148 | * the first Bank (BANK1). This parameter should be between FLASH_BASE |
| bogdanm | 0:9b334a45a8ff | 149 | * and FLASH_BANK1_END. |
| bogdanm | 0:9b334a45a8ff | 150 | * @param Page_Address2: The page address in program memory to be erased in |
| bogdanm | 0:9b334a45a8ff | 151 | * the second Bank (BANK2). This parameter should be between FLASH_BANK2_BASE |
| bogdanm | 0:9b334a45a8ff | 152 | * and FLASH_BANK2_END. |
| bogdanm | 0:9b334a45a8ff | 153 | * @note A Page is erased in the Program memory only if the address to load |
| bogdanm | 0:9b334a45a8ff | 154 | * is the start address of a page (multiple of 128 bytes). |
| bogdanm | 0:9b334a45a8ff | 155 | * @retval HAL Status: The returned value can be: |
| bogdanm | 0:9b334a45a8ff | 156 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| bogdanm | 0:9b334a45a8ff | 157 | */ |
| bogdanm | 0:9b334a45a8ff | 158 | __RAM_FUNC HAL_FLASHEx_EraseParallelPage(uint32_t Page_Address1, uint32_t Page_Address2) |
| bogdanm | 0:9b334a45a8ff | 159 | { |
| bogdanm | 0:9b334a45a8ff | 160 | HAL_StatusTypeDef status = HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 161 | |
| bogdanm | 0:9b334a45a8ff | 162 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 163 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 164 | |
| bogdanm | 0:9b334a45a8ff | 165 | if(status == HAL_OK) |
| bogdanm | 0:9b334a45a8ff | 166 | { |
| bogdanm | 0:9b334a45a8ff | 167 | /* Proceed to erase the page */ |
| bogdanm | 0:9b334a45a8ff | 168 | SET_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| bogdanm | 0:9b334a45a8ff | 169 | SET_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
| bogdanm | 0:9b334a45a8ff | 170 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 171 | |
| bogdanm | 0:9b334a45a8ff | 172 | /* Write 00000000h to the first word of the first program page to erase */ |
| bogdanm | 0:9b334a45a8ff | 173 | *(__IO uint32_t *)Page_Address1 = 0x00000000; |
| bogdanm | 0:9b334a45a8ff | 174 | /* Write 00000000h to the first word of the second program page to erase */ |
| bogdanm | 0:9b334a45a8ff | 175 | *(__IO uint32_t *)Page_Address2 = 0x00000000; |
| bogdanm | 0:9b334a45a8ff | 176 | |
| bogdanm | 0:9b334a45a8ff | 177 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 178 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 179 | |
| bogdanm | 0:9b334a45a8ff | 180 | /* If the erase operation is completed, disable the ERASE, PROG and PARALLBANK bits */ |
| bogdanm | 0:9b334a45a8ff | 181 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 182 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_ERASE); |
| bogdanm | 0:9b334a45a8ff | 183 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| bogdanm | 0:9b334a45a8ff | 184 | } |
| bogdanm | 0:9b334a45a8ff | 185 | /* Return the erasesStatus */ |
| bogdanm | 0:9b334a45a8ff | 186 | return status; |
| bogdanm | 0:9b334a45a8ff | 187 | } |
| bogdanm | 0:9b334a45a8ff | 188 | |
| bogdanm | 0:9b334a45a8ff | 189 | /** |
| bogdanm | 0:9b334a45a8ff | 190 | * @brief Programs 2 half pages in program memory in parallel. The half page size is 16 Words. |
| bogdanm | 0:9b334a45a8ff | 191 | * @note This function can be used only for STM32L07xxx/STM32L08xxx devices. |
| bogdanm | 0:9b334a45a8ff | 192 | * @param Address1: specifies the first address to be written in the first bank |
| bogdanm | 0:9b334a45a8ff | 193 | * (BANK1). This parameter should be between FLASH_BASE and (FLASH_BANK1_END - FLASH_PAGE_SIZE). |
| bogdanm | 0:9b334a45a8ff | 194 | * @param pBuffer1: pointer to the buffer containing the data to be written |
| bogdanm | 0:9b334a45a8ff | 195 | * to the first half page in the first bank. |
| bogdanm | 0:9b334a45a8ff | 196 | * @param Address2: specifies the second address to be written in the second bank |
| bogdanm | 0:9b334a45a8ff | 197 | * (BANK2). This parameter should be between FLASH_BANK2_BASE and (FLASH_BANK2_END - FLASH_PAGE_SIZE). |
| bogdanm | 0:9b334a45a8ff | 198 | * @param pBuffer2: pointer to the buffer containing the data to be written |
| bogdanm | 0:9b334a45a8ff | 199 | * to the second half page in the second bank. |
| bogdanm | 0:9b334a45a8ff | 200 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
| bogdanm | 0:9b334a45a8ff | 201 | * must be called before. |
| bogdanm | 0:9b334a45a8ff | 202 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| bogdanm | 0:9b334a45a8ff | 203 | * (recommended to protect the FLASH memory against possible unwanted operation). |
| bogdanm | 0:9b334a45a8ff | 204 | * @note Half page write is possible only from SRAM. |
| bogdanm | 0:9b334a45a8ff | 205 | * @note A half page is written to the program memory only if the first |
| bogdanm | 0:9b334a45a8ff | 206 | * address to load is the start address of a half page (multiple of 64 |
| bogdanm | 0:9b334a45a8ff | 207 | * bytes) and the 15 remaining words to load are in the same half page. |
| bogdanm | 0:9b334a45a8ff | 208 | * @note During the Program memory half page write all read operations are |
| bogdanm | 0:9b334a45a8ff | 209 | * forbidden (this includes DMA read operations and debugger read |
| bogdanm | 0:9b334a45a8ff | 210 | * operations such as breakpoints, periodic updates, etc.). |
| bogdanm | 0:9b334a45a8ff | 211 | * @note If a PGAERR is set during a Program memory half page write, the |
| bogdanm | 0:9b334a45a8ff | 212 | * complete write operation is aborted. Software should then reset the |
| bogdanm | 0:9b334a45a8ff | 213 | * FPRG and PROG/DATA bits and restart the write operation from the |
| bogdanm | 0:9b334a45a8ff | 214 | * beginning. |
| bogdanm | 0:9b334a45a8ff | 215 | * @retval HAL Status: The returned value can be: |
| bogdanm | 0:9b334a45a8ff | 216 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| bogdanm | 0:9b334a45a8ff | 217 | */ |
| bogdanm | 0:9b334a45a8ff | 218 | __RAM_FUNC HAL_FLASHEx_ProgramParallelHalfPage(uint32_t Address1, uint32_t* pBuffer1, uint32_t Address2, uint32_t* pBuffer2) |
| bogdanm | 0:9b334a45a8ff | 219 | { |
| bogdanm | 0:9b334a45a8ff | 220 | uint32_t count; |
| bogdanm | 0:9b334a45a8ff | 221 | HAL_StatusTypeDef status; |
| bogdanm | 0:9b334a45a8ff | 222 | |
| bogdanm | 0:9b334a45a8ff | 223 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 224 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 225 | |
| bogdanm | 0:9b334a45a8ff | 226 | if(status == HAL_OK) |
| bogdanm | 0:9b334a45a8ff | 227 | { |
| bogdanm | 0:9b334a45a8ff | 228 | /* Proceed to program the new half page */ |
| bogdanm | 0:9b334a45a8ff | 229 | SET_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| bogdanm | 0:9b334a45a8ff | 230 | SET_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| bogdanm | 0:9b334a45a8ff | 231 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 232 | |
| bogdanm | 0:9b334a45a8ff | 233 | |
| bogdanm | 0:9b334a45a8ff | 234 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 235 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 236 | |
| bogdanm | 0:9b334a45a8ff | 237 | if(status == HAL_OK) |
| bogdanm | 0:9b334a45a8ff | 238 | { |
| bogdanm | 0:9b334a45a8ff | 239 | /* Write one half page, |
| bogdanm | 0:9b334a45a8ff | 240 | Address1 doesn't need to be increased */ |
| bogdanm | 0:9b334a45a8ff | 241 | count = 0; |
| bogdanm | 0:9b334a45a8ff | 242 | |
| bogdanm | 0:9b334a45a8ff | 243 | /* Disable all IRQs */ |
| bogdanm | 0:9b334a45a8ff | 244 | __disable_irq(); |
| bogdanm | 0:9b334a45a8ff | 245 | |
| bogdanm | 0:9b334a45a8ff | 246 | while(count < 16) |
| bogdanm | 0:9b334a45a8ff | 247 | { |
| bogdanm | 0:9b334a45a8ff | 248 | *(__IO uint32_t*) Address1 = *pBuffer1; |
| bogdanm | 0:9b334a45a8ff | 249 | pBuffer1++; |
| bogdanm | 0:9b334a45a8ff | 250 | count++; |
| bogdanm | 0:9b334a45a8ff | 251 | } |
| bogdanm | 0:9b334a45a8ff | 252 | |
| bogdanm | 0:9b334a45a8ff | 253 | /* Write the second half page, |
| bogdanm | 0:9b334a45a8ff | 254 | Address2 doesn't need to be increased */ |
| bogdanm | 0:9b334a45a8ff | 255 | count = 0; |
| bogdanm | 0:9b334a45a8ff | 256 | while(count < 16) |
| bogdanm | 0:9b334a45a8ff | 257 | { |
| bogdanm | 0:9b334a45a8ff | 258 | *(__IO uint32_t*) Address2 = *pBuffer2; |
| bogdanm | 0:9b334a45a8ff | 259 | pBuffer2++; |
| bogdanm | 0:9b334a45a8ff | 260 | count++; |
| bogdanm | 0:9b334a45a8ff | 261 | } |
| bogdanm | 0:9b334a45a8ff | 262 | |
| bogdanm | 0:9b334a45a8ff | 263 | /* Enable IRQs */ |
| bogdanm | 0:9b334a45a8ff | 264 | __enable_irq(); |
| bogdanm | 0:9b334a45a8ff | 265 | |
| bogdanm | 0:9b334a45a8ff | 266 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 267 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 268 | } |
| bogdanm | 0:9b334a45a8ff | 269 | /* if the write operation is completed, disable the PROG, FPRG and PARALLBANK bits */ |
| bogdanm | 0:9b334a45a8ff | 270 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 271 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| bogdanm | 0:9b334a45a8ff | 272 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PARALLBANK); |
| bogdanm | 0:9b334a45a8ff | 273 | } |
| bogdanm | 0:9b334a45a8ff | 274 | /* Return the Write Status */ |
| bogdanm | 0:9b334a45a8ff | 275 | return status; |
| bogdanm | 0:9b334a45a8ff | 276 | } |
| bogdanm | 0:9b334a45a8ff | 277 | #endif /* STM32L071xx || STM32L072xx || STM32L073xx || STM32L081xx || STM32L082xx || STM32L083xx */ |
| bogdanm | 0:9b334a45a8ff | 278 | |
| bogdanm | 0:9b334a45a8ff | 279 | /** |
| bogdanm | 0:9b334a45a8ff | 280 | * @brief Program a half page in program memory. |
| bogdanm | 0:9b334a45a8ff | 281 | * @param Address: specifies the address to be written. |
| bogdanm | 0:9b334a45a8ff | 282 | * @param pBuffer: pointer to the buffer containing the data to be written to |
| bogdanm | 0:9b334a45a8ff | 283 | * the half page. |
| bogdanm | 0:9b334a45a8ff | 284 | * @note To correctly run this function, the HAL_FLASH_Unlock() function |
| bogdanm | 0:9b334a45a8ff | 285 | * must be called before. |
| bogdanm | 0:9b334a45a8ff | 286 | * Call the HAL_FLASH_Lock() to disable the flash memory access |
| bogdanm | 0:9b334a45a8ff | 287 | * (recommended to protect the FLASH memory against possible unwanted operation) |
| bogdanm | 0:9b334a45a8ff | 288 | * @note Half page write is possible only from SRAM. |
| bogdanm | 0:9b334a45a8ff | 289 | * @note A half page is written to the program memory only if the first |
| bogdanm | 0:9b334a45a8ff | 290 | * address to load is the start address of a half page (multiple of 64 |
| bogdanm | 0:9b334a45a8ff | 291 | * bytes) and the 15 remaining words to load are in the same half page. |
| bogdanm | 0:9b334a45a8ff | 292 | * @note During the Program memory half page write all read operations are |
| bogdanm | 0:9b334a45a8ff | 293 | * forbidden (this includes DMA read operations and debugger read |
| bogdanm | 0:9b334a45a8ff | 294 | * operations such as breakpoints, periodic updates, etc.). |
| bogdanm | 0:9b334a45a8ff | 295 | * @note If a PGAERR is set during a Program memory half page write, the |
| bogdanm | 0:9b334a45a8ff | 296 | * complete write operation is aborted. Software should then reset the |
| bogdanm | 0:9b334a45a8ff | 297 | * FPRG and PROG/DATA bits and restart the write operation from the |
| bogdanm | 0:9b334a45a8ff | 298 | * beginning. |
| bogdanm | 0:9b334a45a8ff | 299 | * @retval HAL Status: The returned value can be: |
| bogdanm | 0:9b334a45a8ff | 300 | * HAL_ERROR, HAL_OK or HAL_TIMEOUT. |
| bogdanm | 0:9b334a45a8ff | 301 | */ |
| bogdanm | 0:9b334a45a8ff | 302 | __RAM_FUNC HAL_FLASHEx_HalfPageProgram(uint32_t Address, uint32_t *pBuffer) |
| bogdanm | 0:9b334a45a8ff | 303 | { |
| bogdanm | 0:9b334a45a8ff | 304 | uint32_t count; |
| bogdanm | 0:9b334a45a8ff | 305 | HAL_StatusTypeDef status; |
| bogdanm | 0:9b334a45a8ff | 306 | |
| bogdanm | 0:9b334a45a8ff | 307 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 308 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 309 | |
| bogdanm | 0:9b334a45a8ff | 310 | if(status == HAL_OK) |
| bogdanm | 0:9b334a45a8ff | 311 | { |
| bogdanm | 0:9b334a45a8ff | 312 | /* Proceed to program the new half page */ |
| bogdanm | 0:9b334a45a8ff | 313 | SET_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| bogdanm | 0:9b334a45a8ff | 314 | SET_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 315 | |
| bogdanm | 0:9b334a45a8ff | 316 | |
| bogdanm | 0:9b334a45a8ff | 317 | count = 0; |
| bogdanm | 0:9b334a45a8ff | 318 | /* Write one half page, |
| bogdanm | 0:9b334a45a8ff | 319 | Address doesn't need to be increased */ |
| bogdanm | 0:9b334a45a8ff | 320 | |
| bogdanm | 0:9b334a45a8ff | 321 | /* Disable all IRQs */ |
| bogdanm | 0:9b334a45a8ff | 322 | __disable_irq(); |
| bogdanm | 0:9b334a45a8ff | 323 | |
| bogdanm | 0:9b334a45a8ff | 324 | while(count < 16) |
| bogdanm | 0:9b334a45a8ff | 325 | { |
| bogdanm | 0:9b334a45a8ff | 326 | *(__IO uint32_t*) Address = *pBuffer; |
| bogdanm | 0:9b334a45a8ff | 327 | pBuffer++; |
| bogdanm | 0:9b334a45a8ff | 328 | count++; |
| bogdanm | 0:9b334a45a8ff | 329 | } |
| bogdanm | 0:9b334a45a8ff | 330 | |
| bogdanm | 0:9b334a45a8ff | 331 | /* Enable IRQs */ |
| bogdanm | 0:9b334a45a8ff | 332 | __enable_irq(); |
| bogdanm | 0:9b334a45a8ff | 333 | |
| bogdanm | 0:9b334a45a8ff | 334 | /* Wait for last operation to be completed */ |
| bogdanm | 0:9b334a45a8ff | 335 | status = FLASHRAM_WaitForLastOperation(FLASH_TIMEOUT_VALUE); |
| bogdanm | 0:9b334a45a8ff | 336 | |
| bogdanm | 0:9b334a45a8ff | 337 | /* If the write operation is completed, disable the PROG and FPRG bits */ |
| bogdanm | 0:9b334a45a8ff | 338 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_PROG); |
| bogdanm | 0:9b334a45a8ff | 339 | CLEAR_BIT(FLASH->PECR, FLASH_PECR_FPRG); |
| bogdanm | 0:9b334a45a8ff | 340 | } |
| bogdanm | 0:9b334a45a8ff | 341 | /* Return the write status */ |
| bogdanm | 0:9b334a45a8ff | 342 | return status; |
| bogdanm | 0:9b334a45a8ff | 343 | } |
| bogdanm | 0:9b334a45a8ff | 344 | |
| bogdanm | 0:9b334a45a8ff | 345 | /** |
| bogdanm | 0:9b334a45a8ff | 346 | * @brief Get the specific FLASH errors flag. |
| bogdanm | 0:9b334a45a8ff | 347 | * @param error pointer is the error value. It can be a mixed of : |
| bogdanm | 0:9b334a45a8ff | 348 | * @arg HAL_FLASH_ERROR_RD: FLASH Read Protection error flag (PCROP) |
| bogdanm | 0:9b334a45a8ff | 349 | * @arg HAL_FLASH_ERROR_SIZE: FLASH Programming Parallelism error flag |
| bogdanm | 0:9b334a45a8ff | 350 | * @arg HAL_FLASH_ERROR_PGA: FLASH Programming Alignment error flag |
| bogdanm | 0:9b334a45a8ff | 351 | * @arg HAL_FLASH_ERROR_WRP: FLASH Write protected error flag |
| bogdanm | 0:9b334a45a8ff | 352 | * @arg HAL_FLASH_ERROR_OPTV: FLASH Option valid error flag |
| bogdanm | 0:9b334a45a8ff | 353 | * @arg HAL_FLASH_ERROR_FWWERR: FLASH Write or Errase operation aborted |
| bogdanm | 0:9b334a45a8ff | 354 | * @arg HAL_FLASH_ERROR_NOTZERO: FLASH Write operation is done in a not-erased region |
| bogdanm | 0:9b334a45a8ff | 355 | */ |
| bogdanm | 0:9b334a45a8ff | 356 | __RAM_FUNC HAL_FLASHRAM_GetError(uint32_t * error) |
| bogdanm | 0:9b334a45a8ff | 357 | { |
| bogdanm | 0:9b334a45a8ff | 358 | *error = ProcFlash.ErrorCode; |
| bogdanm | 0:9b334a45a8ff | 359 | return HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 360 | } |
| bogdanm | 0:9b334a45a8ff | 361 | |
| bogdanm | 0:9b334a45a8ff | 362 | |
| bogdanm | 0:9b334a45a8ff | 363 | |
| bogdanm | 0:9b334a45a8ff | 364 | /** |
| bogdanm | 0:9b334a45a8ff | 365 | * @} |
| bogdanm | 0:9b334a45a8ff | 366 | */ |
| bogdanm | 0:9b334a45a8ff | 367 | |
| bogdanm | 0:9b334a45a8ff | 368 | /** |
| bogdanm | 0:9b334a45a8ff | 369 | * @} |
| bogdanm | 0:9b334a45a8ff | 370 | */ |
| bogdanm | 0:9b334a45a8ff | 371 | |
| bogdanm | 0:9b334a45a8ff | 372 | /** @defgroup FLASHRamfunc_Private_Functions FLASH RAM Private Functions |
| bogdanm | 0:9b334a45a8ff | 373 | * @{ |
| bogdanm | 0:9b334a45a8ff | 374 | */ |
| bogdanm | 0:9b334a45a8ff | 375 | |
| bogdanm | 0:9b334a45a8ff | 376 | /** |
| bogdanm | 0:9b334a45a8ff | 377 | * @brief Set the specific FLASH error flag. |
| bogdanm | 0:9b334a45a8ff | 378 | * @param None |
| bogdanm | 0:9b334a45a8ff | 379 | * @retval None |
| bogdanm | 0:9b334a45a8ff | 380 | */ |
| bogdanm | 0:9b334a45a8ff | 381 | static __RAM_FUNC FLASHRAM_SetErrorCode(void) |
| bogdanm | 0:9b334a45a8ff | 382 | { |
| bogdanm | 0:9b334a45a8ff | 383 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR)) |
| bogdanm | 0:9b334a45a8ff | 384 | { |
| bogdanm | 0:9b334a45a8ff | 385 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_WRP; |
| bogdanm | 0:9b334a45a8ff | 386 | } |
| bogdanm | 0:9b334a45a8ff | 387 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR)) |
| bogdanm | 0:9b334a45a8ff | 388 | { |
| bogdanm | 0:9b334a45a8ff | 389 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_PGA; |
| bogdanm | 0:9b334a45a8ff | 390 | } |
| bogdanm | 0:9b334a45a8ff | 391 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR)) |
| bogdanm | 0:9b334a45a8ff | 392 | { |
| bogdanm | 0:9b334a45a8ff | 393 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_SIZE; |
| bogdanm | 0:9b334a45a8ff | 394 | } |
| bogdanm | 0:9b334a45a8ff | 395 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR)) |
| bogdanm | 0:9b334a45a8ff | 396 | { |
| bogdanm | 0:9b334a45a8ff | 397 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_OPTV; |
| bogdanm | 0:9b334a45a8ff | 398 | } |
| bogdanm | 0:9b334a45a8ff | 399 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR)) |
| bogdanm | 0:9b334a45a8ff | 400 | { |
| bogdanm | 0:9b334a45a8ff | 401 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_RD; |
| bogdanm | 0:9b334a45a8ff | 402 | } |
| bogdanm | 0:9b334a45a8ff | 403 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR)) |
| bogdanm | 0:9b334a45a8ff | 404 | { |
| bogdanm | 0:9b334a45a8ff | 405 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_FWWERR; |
| bogdanm | 0:9b334a45a8ff | 406 | } |
| bogdanm | 0:9b334a45a8ff | 407 | if(__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR)) |
| bogdanm | 0:9b334a45a8ff | 408 | { |
| bogdanm | 0:9b334a45a8ff | 409 | ProcFlash.ErrorCode |= HAL_FLASH_ERROR_NOTZERO; |
| bogdanm | 0:9b334a45a8ff | 410 | } |
| bogdanm | 0:9b334a45a8ff | 411 | |
| bogdanm | 0:9b334a45a8ff | 412 | /* Errors are now stored, clear errors flags */ |
| bogdanm | 0:9b334a45a8ff | 413 | __HAL_FLASH_CLEAR_FLAG(FLASH_FLAG_WRPERR | FLASH_FLAG_PGAERR | FLASH_FLAG_SIZERR | |
| bogdanm | 0:9b334a45a8ff | 414 | FLASH_FLAG_OPTVERR | FLASH_FLAG_RDERR | FLASH_FLAG_FWWERR | |
| bogdanm | 0:9b334a45a8ff | 415 | FLASH_FLAG_NOTZEROERR); |
| bogdanm | 0:9b334a45a8ff | 416 | return HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 417 | } |
| bogdanm | 0:9b334a45a8ff | 418 | |
| bogdanm | 0:9b334a45a8ff | 419 | |
| bogdanm | 0:9b334a45a8ff | 420 | /** |
| bogdanm | 0:9b334a45a8ff | 421 | * @brief Wait for a FLASH operation to complete. |
| bogdanm | 0:9b334a45a8ff | 422 | * @param Timeout: maximum flash operationtimeout |
| bogdanm | 0:9b334a45a8ff | 423 | * @retval HAL status |
| bogdanm | 0:9b334a45a8ff | 424 | */ |
| bogdanm | 0:9b334a45a8ff | 425 | static __RAM_FUNC FLASHRAM_WaitForLastOperation(uint32_t Timeout) |
| bogdanm | 0:9b334a45a8ff | 426 | { |
| bogdanm | 0:9b334a45a8ff | 427 | /* Wait for the FLASH operation to complete by polling on BUSY flag to be reset. |
| bogdanm | 0:9b334a45a8ff | 428 | Even if the FLASH operation fails, the BUSY flag will be reset and an error |
| bogdanm | 0:9b334a45a8ff | 429 | flag will be set */ |
| bogdanm | 0:9b334a45a8ff | 430 | |
| bogdanm | 0:9b334a45a8ff | 431 | while(__HAL_FLASH_GET_FLAG(FLASH_FLAG_BSY) && (Timeout != 0x00)) |
| bogdanm | 0:9b334a45a8ff | 432 | { |
| bogdanm | 0:9b334a45a8ff | 433 | Timeout--; |
| bogdanm | 0:9b334a45a8ff | 434 | } |
| bogdanm | 0:9b334a45a8ff | 435 | |
| bogdanm | 0:9b334a45a8ff | 436 | if(Timeout == 0x00 ) |
| bogdanm | 0:9b334a45a8ff | 437 | { |
| bogdanm | 0:9b334a45a8ff | 438 | return HAL_TIMEOUT; |
| bogdanm | 0:9b334a45a8ff | 439 | } |
| bogdanm | 0:9b334a45a8ff | 440 | |
| bogdanm | 0:9b334a45a8ff | 441 | if( (__HAL_FLASH_GET_FLAG(FLASH_FLAG_RDERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 442 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_WRPERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 443 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_PGAERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 444 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_OPTVERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 445 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_SIZERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 446 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_FWWERR) != RESET) || |
| bogdanm | 0:9b334a45a8ff | 447 | (__HAL_FLASH_GET_FLAG(FLASH_FLAG_NOTZEROERR) != RESET) ) |
| bogdanm | 0:9b334a45a8ff | 448 | { |
| bogdanm | 0:9b334a45a8ff | 449 | /*Save the error code*/ |
| bogdanm | 0:9b334a45a8ff | 450 | FLASHRAM_SetErrorCode(); |
| bogdanm | 0:9b334a45a8ff | 451 | return HAL_ERROR; |
| bogdanm | 0:9b334a45a8ff | 452 | } |
| bogdanm | 0:9b334a45a8ff | 453 | |
| bogdanm | 0:9b334a45a8ff | 454 | /* If there is an error flag set */ |
| bogdanm | 0:9b334a45a8ff | 455 | return HAL_OK; |
| bogdanm | 0:9b334a45a8ff | 456 | } |
| 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 | */ |
| bogdanm | 0:9b334a45a8ff | 465 | |
| bogdanm | 0:9b334a45a8ff | 466 | /** |
| bogdanm | 0:9b334a45a8ff | 467 | * @} |
| bogdanm | 0:9b334a45a8ff | 468 | */ |
| bogdanm | 0:9b334a45a8ff | 469 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
| bogdanm | 0:9b334a45a8ff | 470 | |
| bogdanm | 0:9b334a45a8ff | 471 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
| bogdanm | 0:9b334a45a8ff | 472 |