mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/cmsis/TARGET_STM/TARGET_NUCLEO_L053R8/stm32l0xx_hal_flash_ramfunc.c@323:9e901b0a5aa1, 2014-09-13 (annotated)
- Committer:
- shaoziyang
- Date:
- Sat Sep 13 14:25:46 2014 +0000
- Revision:
- 323:9e901b0a5aa1
- Parent:
- 181:a4cbdfbbd2f4
test with CLOCK_SETUP = 0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 181:a4cbdfbbd2f4 | 1 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 2 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 3 | * @file stm32l0xx_hal_flash_ramfunc.c |
mbed_official | 181:a4cbdfbbd2f4 | 4 | * @author MCD Application Team |
mbed_official | 181:a4cbdfbbd2f4 | 5 | * @version V1.0.0 |
mbed_official | 181:a4cbdfbbd2f4 | 6 | * @date 22-April-2014 |
mbed_official | 181:a4cbdfbbd2f4 | 7 | * @brief FLASH RAMFUNC driver. |
mbed_official | 181:a4cbdfbbd2f4 | 8 | * This file provides a Flash firmware functions which should be |
mbed_official | 181:a4cbdfbbd2f4 | 9 | * executed from internal SRAM |
mbed_official | 181:a4cbdfbbd2f4 | 10 | * + FLASH HalfPage Programming |
mbed_official | 181:a4cbdfbbd2f4 | 11 | * + FLASH Power Down in Run mode |
mbed_official | 181:a4cbdfbbd2f4 | 12 | * |
mbed_official | 181:a4cbdfbbd2f4 | 13 | * @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 14 | |
mbed_official | 181:a4cbdfbbd2f4 | 15 | *** ARM Compiler *** |
mbed_official | 181:a4cbdfbbd2f4 | 16 | -------------------- |
mbed_official | 181:a4cbdfbbd2f4 | 17 | [..] RAM functions are defined using the toolchain options. |
mbed_official | 181:a4cbdfbbd2f4 | 18 | Functions that are be executed in RAM should reside in a separate |
mbed_official | 181:a4cbdfbbd2f4 | 19 | source module. Using the 'Options for File' dialog you can simply change |
mbed_official | 181:a4cbdfbbd2f4 | 20 | the 'Code / Const' area of a module to a memory space in physical RAM. |
mbed_official | 181:a4cbdfbbd2f4 | 21 | Available memory areas are declared in the 'Target' tab of the |
mbed_official | 181:a4cbdfbbd2f4 | 22 | Options for Target' dialog. |
mbed_official | 181:a4cbdfbbd2f4 | 23 | |
mbed_official | 181:a4cbdfbbd2f4 | 24 | *** ICCARM Compiler *** |
mbed_official | 181:a4cbdfbbd2f4 | 25 | ----------------------- |
mbed_official | 181:a4cbdfbbd2f4 | 26 | [..] RAM functions are defined using a specific toolchain keyword "__ramfunc". |
mbed_official | 181:a4cbdfbbd2f4 | 27 | |
mbed_official | 181:a4cbdfbbd2f4 | 28 | *** GNU Compiler *** |
mbed_official | 181:a4cbdfbbd2f4 | 29 | -------------------- |
mbed_official | 181:a4cbdfbbd2f4 | 30 | [..] RAM functions are defined using a specific toolchain attribute |
mbed_official | 181:a4cbdfbbd2f4 | 31 | "__attribute__((section(".RamFunc")))". |
mbed_official | 181:a4cbdfbbd2f4 | 32 | |
mbed_official | 181:a4cbdfbbd2f4 | 33 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 34 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 35 | * @attention |
mbed_official | 181:a4cbdfbbd2f4 | 36 | * |
mbed_official | 181:a4cbdfbbd2f4 | 37 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 181:a4cbdfbbd2f4 | 38 | * |
mbed_official | 181:a4cbdfbbd2f4 | 39 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 181:a4cbdfbbd2f4 | 40 | * are permitted provided that the following conditions are met: |
mbed_official | 181:a4cbdfbbd2f4 | 41 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 181:a4cbdfbbd2f4 | 42 | * this list of conditions and the following disclaimer. |
mbed_official | 181:a4cbdfbbd2f4 | 43 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 181:a4cbdfbbd2f4 | 44 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 181:a4cbdfbbd2f4 | 45 | * and/or other materials provided with the distribution. |
mbed_official | 181:a4cbdfbbd2f4 | 46 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 181:a4cbdfbbd2f4 | 47 | * may be used to endorse or promote products derived from this software |
mbed_official | 181:a4cbdfbbd2f4 | 48 | * without specific prior written permission. |
mbed_official | 181:a4cbdfbbd2f4 | 49 | * |
mbed_official | 181:a4cbdfbbd2f4 | 50 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 181:a4cbdfbbd2f4 | 51 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 181:a4cbdfbbd2f4 | 52 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 181:a4cbdfbbd2f4 | 53 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 181:a4cbdfbbd2f4 | 54 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 181:a4cbdfbbd2f4 | 55 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 181:a4cbdfbbd2f4 | 56 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 181:a4cbdfbbd2f4 | 57 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 181:a4cbdfbbd2f4 | 58 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 181:a4cbdfbbd2f4 | 59 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 181:a4cbdfbbd2f4 | 60 | * |
mbed_official | 181:a4cbdfbbd2f4 | 61 | ****************************************************************************** |
mbed_official | 181:a4cbdfbbd2f4 | 62 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 63 | |
mbed_official | 181:a4cbdfbbd2f4 | 64 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 65 | #include "stm32l0xx_hal.h" |
mbed_official | 181:a4cbdfbbd2f4 | 66 | /** @addtogroup STM32L0XX_HAL_Driver |
mbed_official | 181:a4cbdfbbd2f4 | 67 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 68 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 69 | |
mbed_official | 181:a4cbdfbbd2f4 | 70 | /** @defgroup FLASH_RAMFUNC Driver |
mbed_official | 181:a4cbdfbbd2f4 | 71 | * @brief FLASH functions executed from RAM |
mbed_official | 181:a4cbdfbbd2f4 | 72 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 73 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 74 | |
mbed_official | 181:a4cbdfbbd2f4 | 75 | #ifdef HAL_FLASH_MODULE_ENABLED |
mbed_official | 181:a4cbdfbbd2f4 | 76 | |
mbed_official | 181:a4cbdfbbd2f4 | 77 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 78 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 79 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 80 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 81 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 82 | static __RAM_FUNC FLASH_Program_HalfPage(uint32_t Address, uint32_t *Data); |
mbed_official | 181:a4cbdfbbd2f4 | 83 | |
mbed_official | 181:a4cbdfbbd2f4 | 84 | /* Private functions ---------------------------------------------------------*/ |
mbed_official | 181:a4cbdfbbd2f4 | 85 | |
mbed_official | 181:a4cbdfbbd2f4 | 86 | /** @defgroup FLASH_RAMFUNC_Private_Functions |
mbed_official | 181:a4cbdfbbd2f4 | 87 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 88 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 89 | |
mbed_official | 181:a4cbdfbbd2f4 | 90 | /** @defgroup FLASH_RAMFUNC_Group1 Peripheral features functions |
mbed_official | 181:a4cbdfbbd2f4 | 91 | * @brief Data transfers functions |
mbed_official | 181:a4cbdfbbd2f4 | 92 | * |
mbed_official | 181:a4cbdfbbd2f4 | 93 | @verbatim |
mbed_official | 181:a4cbdfbbd2f4 | 94 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 95 | ##### ramfunc functions ##### |
mbed_official | 181:a4cbdfbbd2f4 | 96 | =============================================================================== |
mbed_official | 181:a4cbdfbbd2f4 | 97 | [..] |
mbed_official | 181:a4cbdfbbd2f4 | 98 | This subsection provides a set of functions that should be executed from RAM |
mbed_official | 181:a4cbdfbbd2f4 | 99 | transfers. |
mbed_official | 181:a4cbdfbbd2f4 | 100 | |
mbed_official | 181:a4cbdfbbd2f4 | 101 | @endverbatim |
mbed_official | 181:a4cbdfbbd2f4 | 102 | * @{ |
mbed_official | 181:a4cbdfbbd2f4 | 103 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 104 | |
mbed_official | 181:a4cbdfbbd2f4 | 105 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 106 | * @brief Program a half page word at a specified address, |
mbed_official | 181:a4cbdfbbd2f4 | 107 | * @note This function should be executed from RAM |
mbed_official | 181:a4cbdfbbd2f4 | 108 | * @param Address: specifies the address to be programmed, |
mbed_official | 181:a4cbdfbbd2f4 | 109 | * the address should be half page aligned. |
mbed_official | 181:a4cbdfbbd2f4 | 110 | * @param *Data: specifies the buffer of data to be programmed, |
mbed_official | 181:a4cbdfbbd2f4 | 111 | * the size of the buffer is 16 words. |
mbed_official | 181:a4cbdfbbd2f4 | 112 | * |
mbed_official | 181:a4cbdfbbd2f4 | 113 | * @retval HAL_StatusTypeDef HAL Status |
mbed_official | 181:a4cbdfbbd2f4 | 114 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 115 | __RAM_FUNC FLASH_HalfPageProgram(uint32_t Address, uint32_t *Data) |
mbed_official | 181:a4cbdfbbd2f4 | 116 | { |
mbed_official | 181:a4cbdfbbd2f4 | 117 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 118 | uint32_t timeout = 0xFFFFFFFF; |
mbed_official | 181:a4cbdfbbd2f4 | 119 | /*Program word (32-bit) at a specified address.*/ |
mbed_official | 181:a4cbdfbbd2f4 | 120 | FLASH_Program_HalfPage(Address, Data); |
mbed_official | 181:a4cbdfbbd2f4 | 121 | |
mbed_official | 181:a4cbdfbbd2f4 | 122 | /* Wait for a FLASH operation to complete or a TIMEOUT to occur */ |
mbed_official | 181:a4cbdfbbd2f4 | 123 | while(((FLASH->SR & FLASH_FLAG_BSY) != 0x00) && (timeout != 0x00)) |
mbed_official | 181:a4cbdfbbd2f4 | 124 | { |
mbed_official | 181:a4cbdfbbd2f4 | 125 | timeout--; |
mbed_official | 181:a4cbdfbbd2f4 | 126 | } |
mbed_official | 181:a4cbdfbbd2f4 | 127 | |
mbed_official | 181:a4cbdfbbd2f4 | 128 | /* Reset PROG bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 129 | FLASH->PECR &= ~FLASH_PECR_PROG; |
mbed_official | 181:a4cbdfbbd2f4 | 130 | FLASH->PECR &= ~FLASH_PECR_FPRG; |
mbed_official | 181:a4cbdfbbd2f4 | 131 | return status; |
mbed_official | 181:a4cbdfbbd2f4 | 132 | } |
mbed_official | 181:a4cbdfbbd2f4 | 133 | |
mbed_official | 181:a4cbdfbbd2f4 | 134 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 135 | * @brief Program a half page in program memory. |
mbed_official | 181:a4cbdfbbd2f4 | 136 | * @param Address: The Half page address in program memory to be written. |
mbed_official | 181:a4cbdfbbd2f4 | 137 | * @param Data: |
mbed_official | 181:a4cbdfbbd2f4 | 138 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 139 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 140 | static __RAM_FUNC FLASH_Program_HalfPage(uint32_t Address, uint32_t *Data) |
mbed_official | 181:a4cbdfbbd2f4 | 141 | { |
mbed_official | 181:a4cbdfbbd2f4 | 142 | HAL_StatusTypeDef status = HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 143 | uint32_t i =0; |
mbed_official | 181:a4cbdfbbd2f4 | 144 | |
mbed_official | 181:a4cbdfbbd2f4 | 145 | /* Set PROG bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 146 | FLASH->PECR |= FLASH_PECR_PROG; |
mbed_official | 181:a4cbdfbbd2f4 | 147 | |
mbed_official | 181:a4cbdfbbd2f4 | 148 | /* Set FPRG bit */ |
mbed_official | 181:a4cbdfbbd2f4 | 149 | FLASH->PECR |= FLASH_PECR_FPRG; |
mbed_official | 181:a4cbdfbbd2f4 | 150 | |
mbed_official | 181:a4cbdfbbd2f4 | 151 | *(__IO uint32_t*)Address = Data[0]; |
mbed_official | 181:a4cbdfbbd2f4 | 152 | |
mbed_official | 181:a4cbdfbbd2f4 | 153 | for(i = 1; i <= 15; i++) |
mbed_official | 181:a4cbdfbbd2f4 | 154 | { |
mbed_official | 181:a4cbdfbbd2f4 | 155 | *(__IO uint32_t*)(Address + 4) = Data[i]; |
mbed_official | 181:a4cbdfbbd2f4 | 156 | } |
mbed_official | 181:a4cbdfbbd2f4 | 157 | return status; |
mbed_official | 181:a4cbdfbbd2f4 | 158 | } |
mbed_official | 181:a4cbdfbbd2f4 | 159 | |
mbed_official | 181:a4cbdfbbd2f4 | 160 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 161 | * @brief Enable the Power down in Run Mode |
mbed_official | 181:a4cbdfbbd2f4 | 162 | * @note This fuction should be called and executed from SRAM memory |
mbed_official | 181:a4cbdfbbd2f4 | 163 | * @param None |
mbed_official | 181:a4cbdfbbd2f4 | 164 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 165 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 166 | __RAM_FUNC FLASH_EnableRunPowerDown(void) |
mbed_official | 181:a4cbdfbbd2f4 | 167 | { |
mbed_official | 181:a4cbdfbbd2f4 | 168 | /* Enable the Power Down in Run mode*/ |
mbed_official | 181:a4cbdfbbd2f4 | 169 | __HAL_FLASH_POWER_DOWN_ENABLE(); |
mbed_official | 181:a4cbdfbbd2f4 | 170 | |
mbed_official | 181:a4cbdfbbd2f4 | 171 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 172 | |
mbed_official | 181:a4cbdfbbd2f4 | 173 | } |
mbed_official | 181:a4cbdfbbd2f4 | 174 | |
mbed_official | 181:a4cbdfbbd2f4 | 175 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 176 | * @brief Disable the Power down in Run Mode |
mbed_official | 181:a4cbdfbbd2f4 | 177 | * @note This fuction should be called and executed from SRAM memory |
mbed_official | 181:a4cbdfbbd2f4 | 178 | * @param None |
mbed_official | 181:a4cbdfbbd2f4 | 179 | * @retval None |
mbed_official | 181:a4cbdfbbd2f4 | 180 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 181 | __RAM_FUNC FLASH_DisableRunPowerDown(void) |
mbed_official | 181:a4cbdfbbd2f4 | 182 | { |
mbed_official | 181:a4cbdfbbd2f4 | 183 | /* Disable the Power Down in Run mode*/ |
mbed_official | 181:a4cbdfbbd2f4 | 184 | __HAL_FLASH_POWER_DOWN_DISABLE(); |
mbed_official | 181:a4cbdfbbd2f4 | 185 | |
mbed_official | 181:a4cbdfbbd2f4 | 186 | return HAL_OK; |
mbed_official | 181:a4cbdfbbd2f4 | 187 | } |
mbed_official | 181:a4cbdfbbd2f4 | 188 | |
mbed_official | 181:a4cbdfbbd2f4 | 189 | |
mbed_official | 181:a4cbdfbbd2f4 | 190 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 191 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 192 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 193 | |
mbed_official | 181:a4cbdfbbd2f4 | 194 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 195 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 196 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 197 | #endif /* HAL_FLASH_MODULE_ENABLED */ |
mbed_official | 181:a4cbdfbbd2f4 | 198 | |
mbed_official | 181:a4cbdfbbd2f4 | 199 | |
mbed_official | 181:a4cbdfbbd2f4 | 200 | |
mbed_official | 181:a4cbdfbbd2f4 | 201 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 202 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 203 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 204 | |
mbed_official | 181:a4cbdfbbd2f4 | 205 | /** |
mbed_official | 181:a4cbdfbbd2f4 | 206 | * @} |
mbed_official | 181:a4cbdfbbd2f4 | 207 | */ |
mbed_official | 181:a4cbdfbbd2f4 | 208 | |
mbed_official | 181:a4cbdfbbd2f4 | 209 | |
mbed_official | 181:a4cbdfbbd2f4 | 210 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |
mbed_official | 181:a4cbdfbbd2f4 | 211 | |
mbed_official | 181:a4cbdfbbd2f4 | 212 |