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targets/cmsis/TARGET_STM/TARGET_STM32F3/stm32f3xx_hal_sram.c@634:ac7d6880524d, 2015-09-28 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Sep 28 20:15:09 2015 +0100
- Revision:
- 634:ac7d6880524d
- Parent:
- 632:7687fb9c4f91
Synchronized with git revision 9b7d23d47153c298a6d24de9a415202705889d11
Full URL: https://github.com/mbedmicro/mbed/commit/9b7d23d47153c298a6d24de9a415202705889d11/
Revert "[NUCLEO_F303K8] add support of the STM32F303K8"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mbed_official | 330:c80ac197fa6a | 1 | /** |
mbed_official | 330:c80ac197fa6a | 2 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 3 | * @file stm32f3xx_hal_sram.c |
mbed_official | 330:c80ac197fa6a | 4 | * @author MCD Application Team |
mbed_official | 634:ac7d6880524d | 5 | * @version V1.1.0 |
mbed_official | 634:ac7d6880524d | 6 | * @date 12-Sept-2014 |
mbed_official | 330:c80ac197fa6a | 7 | * @brief SRAM HAL module driver. |
mbed_official | 330:c80ac197fa6a | 8 | * This file provides a generic firmware to drive SRAM memories |
mbed_official | 330:c80ac197fa6a | 9 | * mounted as external device. |
mbed_official | 330:c80ac197fa6a | 10 | * |
mbed_official | 330:c80ac197fa6a | 11 | @verbatim |
mbed_official | 330:c80ac197fa6a | 12 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 13 | ##### How to use this driver ##### |
mbed_official | 330:c80ac197fa6a | 14 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 15 | [..] |
mbed_official | 330:c80ac197fa6a | 16 | This driver is a generic layered driver which contains a set of APIs used to |
mbed_official | 330:c80ac197fa6a | 17 | control SRAM memories. It uses the FMC layer functions to interface |
mbed_official | 330:c80ac197fa6a | 18 | with SRAM devices. |
mbed_official | 330:c80ac197fa6a | 19 | The following sequence should be followed to configure the FMC/FSMC to interface |
mbed_official | 330:c80ac197fa6a | 20 | with SRAM/PSRAM memories: |
mbed_official | 330:c80ac197fa6a | 21 | |
mbed_official | 330:c80ac197fa6a | 22 | (#) Declare a SRAM_HandleTypeDef handle structure, for example: |
mbed_official | 330:c80ac197fa6a | 23 | SRAM_HandleTypeDef hsram; and: |
mbed_official | 330:c80ac197fa6a | 24 | |
mbed_official | 330:c80ac197fa6a | 25 | (++) Fill the SRAM_HandleTypeDef handle "Init" field with the allowed |
mbed_official | 330:c80ac197fa6a | 26 | values of the structure member. |
mbed_official | 330:c80ac197fa6a | 27 | |
mbed_official | 330:c80ac197fa6a | 28 | (++) Fill the SRAM_HandleTypeDef handle "Instance" field with a predefined |
mbed_official | 330:c80ac197fa6a | 29 | base register instance for NOR or SRAM device |
mbed_official | 330:c80ac197fa6a | 30 | |
mbed_official | 330:c80ac197fa6a | 31 | (++) Fill the SRAM_HandleTypeDef handle "Extended" field with a predefined |
mbed_official | 330:c80ac197fa6a | 32 | base register instance for NOR or SRAM extended mode |
mbed_official | 330:c80ac197fa6a | 33 | |
mbed_official | 330:c80ac197fa6a | 34 | (#) Declare two FMC_NORSRAM_TimingTypeDef structures, for both normal and extended |
mbed_official | 330:c80ac197fa6a | 35 | mode timings; for example: |
mbed_official | 330:c80ac197fa6a | 36 | FMC_NORSRAM_TimingTypeDef Timing and FMC_NORSRAM_TimingTypeDef ExTiming; |
mbed_official | 330:c80ac197fa6a | 37 | and fill its fields with the allowed values of the structure member. |
mbed_official | 330:c80ac197fa6a | 38 | |
mbed_official | 330:c80ac197fa6a | 39 | (#) Initialize the SRAM Controller by calling the function HAL_SRAM_Init(). This function |
mbed_official | 330:c80ac197fa6a | 40 | performs the following sequence: |
mbed_official | 330:c80ac197fa6a | 41 | |
mbed_official | 330:c80ac197fa6a | 42 | (##) MSP hardware layer configuration using the function HAL_SRAM_MspInit() |
mbed_official | 330:c80ac197fa6a | 43 | (##) Control register configuration using the FMC NORSRAM interface function |
mbed_official | 330:c80ac197fa6a | 44 | FMC_NORSRAM_Init() |
mbed_official | 330:c80ac197fa6a | 45 | (##) Timing register configuration using the FMC NORSRAM interface function |
mbed_official | 330:c80ac197fa6a | 46 | FMC_NORSRAM_Timing_Init() |
mbed_official | 330:c80ac197fa6a | 47 | (##) Extended mode Timing register configuration using the FMC NORSRAM interface function |
mbed_official | 330:c80ac197fa6a | 48 | FMC_NORSRAM_Extended_Timing_Init() |
mbed_official | 330:c80ac197fa6a | 49 | (##) Enable the SRAM device using the macro __FMC_NORSRAM_ENABLE() |
mbed_official | 330:c80ac197fa6a | 50 | |
mbed_official | 330:c80ac197fa6a | 51 | (#) At this stage you can perform read/write accesses from/to the memory connected |
mbed_official | 330:c80ac197fa6a | 52 | to the NOR/SRAM Bank. You can perform either polling or DMA transfer using the |
mbed_official | 330:c80ac197fa6a | 53 | following APIs: |
mbed_official | 330:c80ac197fa6a | 54 | (++) HAL_SRAM_Read()/HAL_SRAM_Write() for polling read/write access |
mbed_official | 330:c80ac197fa6a | 55 | (++) HAL_SRAM_Read_DMA()/HAL_SRAM_Write_DMA() for DMA read/write transfer |
mbed_official | 330:c80ac197fa6a | 56 | |
mbed_official | 330:c80ac197fa6a | 57 | (#) You can also control the SRAM device by calling the control APIs HAL_SRAM_WriteOperation_Enable()/ |
mbed_official | 330:c80ac197fa6a | 58 | HAL_SRAM_WriteOperation_Disable() to respectively enable/disable the SRAM write operation |
mbed_official | 330:c80ac197fa6a | 59 | |
mbed_official | 330:c80ac197fa6a | 60 | (#) You can continuously monitor the SRAM device HAL state by calling the function |
mbed_official | 330:c80ac197fa6a | 61 | HAL_SRAM_GetState() |
mbed_official | 330:c80ac197fa6a | 62 | |
mbed_official | 330:c80ac197fa6a | 63 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 64 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 65 | * @attention |
mbed_official | 330:c80ac197fa6a | 66 | * |
mbed_official | 634:ac7d6880524d | 67 | * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2> |
mbed_official | 330:c80ac197fa6a | 68 | * |
mbed_official | 330:c80ac197fa6a | 69 | * Redistribution and use in source and binary forms, with or without modification, |
mbed_official | 330:c80ac197fa6a | 70 | * are permitted provided that the following conditions are met: |
mbed_official | 330:c80ac197fa6a | 71 | * 1. Redistributions of source code must retain the above copyright notice, |
mbed_official | 330:c80ac197fa6a | 72 | * this list of conditions and the following disclaimer. |
mbed_official | 330:c80ac197fa6a | 73 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
mbed_official | 330:c80ac197fa6a | 74 | * this list of conditions and the following disclaimer in the documentation |
mbed_official | 330:c80ac197fa6a | 75 | * and/or other materials provided with the distribution. |
mbed_official | 330:c80ac197fa6a | 76 | * 3. Neither the name of STMicroelectronics nor the names of its contributors |
mbed_official | 330:c80ac197fa6a | 77 | * may be used to endorse or promote products derived from this software |
mbed_official | 330:c80ac197fa6a | 78 | * without specific prior written permission. |
mbed_official | 330:c80ac197fa6a | 79 | * |
mbed_official | 330:c80ac197fa6a | 80 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
mbed_official | 330:c80ac197fa6a | 81 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
mbed_official | 330:c80ac197fa6a | 82 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
mbed_official | 330:c80ac197fa6a | 83 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
mbed_official | 330:c80ac197fa6a | 84 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
mbed_official | 330:c80ac197fa6a | 85 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
mbed_official | 330:c80ac197fa6a | 86 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
mbed_official | 330:c80ac197fa6a | 87 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
mbed_official | 330:c80ac197fa6a | 88 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
mbed_official | 330:c80ac197fa6a | 89 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
mbed_official | 330:c80ac197fa6a | 90 | * |
mbed_official | 330:c80ac197fa6a | 91 | ****************************************************************************** |
mbed_official | 330:c80ac197fa6a | 92 | */ |
mbed_official | 330:c80ac197fa6a | 93 | |
mbed_official | 330:c80ac197fa6a | 94 | /* Includes ------------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 95 | #include "stm32f3xx_hal.h" |
mbed_official | 330:c80ac197fa6a | 96 | |
mbed_official | 330:c80ac197fa6a | 97 | /** @addtogroup STM32F3xx_HAL_Driver |
mbed_official | 330:c80ac197fa6a | 98 | * @{ |
mbed_official | 330:c80ac197fa6a | 99 | */ |
mbed_official | 330:c80ac197fa6a | 100 | |
mbed_official | 330:c80ac197fa6a | 101 | /** @defgroup SRAM SRAM HAL module driver. |
mbed_official | 330:c80ac197fa6a | 102 | * @brief SRAM HAL module driver. |
mbed_official | 330:c80ac197fa6a | 103 | * @{ |
mbed_official | 330:c80ac197fa6a | 104 | */ |
mbed_official | 330:c80ac197fa6a | 105 | #ifdef HAL_SRAM_MODULE_ENABLED |
mbed_official | 330:c80ac197fa6a | 106 | |
mbed_official | 330:c80ac197fa6a | 107 | #if defined(STM32F302xE) || defined(STM32F303xE) || defined(STM32F398xx) |
mbed_official | 330:c80ac197fa6a | 108 | |
mbed_official | 330:c80ac197fa6a | 109 | /* Private typedef -----------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 110 | /* Private define ------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 111 | /* Private macro -------------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 112 | /* Private variables ---------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 113 | /* Private function prototypes -----------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 114 | /* Exported functions ---------------------------------------------------------*/ |
mbed_official | 330:c80ac197fa6a | 115 | |
mbed_official | 330:c80ac197fa6a | 116 | /** @defgroup SRAM_Exported_Functions SRAM Exported Functions |
mbed_official | 330:c80ac197fa6a | 117 | * @{ |
mbed_official | 330:c80ac197fa6a | 118 | */ |
mbed_official | 330:c80ac197fa6a | 119 | |
mbed_official | 330:c80ac197fa6a | 120 | /** @defgroup SRAM_Exported_Functions_Group1 Initialization and de-initialization functions |
mbed_official | 330:c80ac197fa6a | 121 | * @brief Initialization and Configuration functions. |
mbed_official | 330:c80ac197fa6a | 122 | * |
mbed_official | 330:c80ac197fa6a | 123 | @verbatim |
mbed_official | 330:c80ac197fa6a | 124 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 125 | ##### SRAM Initialization and de_initialization functions ##### |
mbed_official | 330:c80ac197fa6a | 126 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 127 | [..] This section provides functions allowing to initialize/de-initialize |
mbed_official | 330:c80ac197fa6a | 128 | the SRAM memory |
mbed_official | 330:c80ac197fa6a | 129 | |
mbed_official | 330:c80ac197fa6a | 130 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 131 | * @{ |
mbed_official | 330:c80ac197fa6a | 132 | */ |
mbed_official | 330:c80ac197fa6a | 133 | |
mbed_official | 330:c80ac197fa6a | 134 | /** |
mbed_official | 330:c80ac197fa6a | 135 | * @brief Performs the SRAM device initialization sequence |
mbed_official | 330:c80ac197fa6a | 136 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 137 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 138 | * @param Timing: Pointer to SRAM control timing structure |
mbed_official | 330:c80ac197fa6a | 139 | * @param ExtTiming: Pointer to SRAM extended mode timing structure |
mbed_official | 330:c80ac197fa6a | 140 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 141 | */ |
mbed_official | 330:c80ac197fa6a | 142 | HAL_StatusTypeDef HAL_SRAM_Init(SRAM_HandleTypeDef *hsram, FMC_NORSRAM_TimingTypeDef *Timing, FMC_NORSRAM_TimingTypeDef *ExtTiming) |
mbed_official | 330:c80ac197fa6a | 143 | { |
mbed_official | 330:c80ac197fa6a | 144 | /* Check the SRAM handle parameter */ |
mbed_official | 634:ac7d6880524d | 145 | if(hsram == HAL_NULL) |
mbed_official | 330:c80ac197fa6a | 146 | { |
mbed_official | 330:c80ac197fa6a | 147 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 148 | } |
mbed_official | 330:c80ac197fa6a | 149 | |
mbed_official | 330:c80ac197fa6a | 150 | if(hsram->State == HAL_SRAM_STATE_RESET) |
mbed_official | 330:c80ac197fa6a | 151 | { |
mbed_official | 330:c80ac197fa6a | 152 | /* Initialize the low level hardware (MSP) */ |
mbed_official | 330:c80ac197fa6a | 153 | HAL_SRAM_MspInit(hsram); |
mbed_official | 330:c80ac197fa6a | 154 | } |
mbed_official | 330:c80ac197fa6a | 155 | |
mbed_official | 330:c80ac197fa6a | 156 | /* Initialize SRAM control Interface */ |
mbed_official | 330:c80ac197fa6a | 157 | FMC_NORSRAM_Init(hsram->Instance, &(hsram->Init)); |
mbed_official | 330:c80ac197fa6a | 158 | |
mbed_official | 330:c80ac197fa6a | 159 | /* Initialize SRAM timing Interface */ |
mbed_official | 330:c80ac197fa6a | 160 | FMC_NORSRAM_Timing_Init(hsram->Instance, Timing, hsram->Init.NSBank); |
mbed_official | 330:c80ac197fa6a | 161 | |
mbed_official | 330:c80ac197fa6a | 162 | /* Initialize SRAM extended mode timing Interface */ |
mbed_official | 330:c80ac197fa6a | 163 | FMC_NORSRAM_Extended_Timing_Init(hsram->Extended, ExtTiming, hsram->Init.NSBank, hsram->Init.ExtendedMode); |
mbed_official | 330:c80ac197fa6a | 164 | |
mbed_official | 330:c80ac197fa6a | 165 | /* Enable the NORSRAM device */ |
mbed_official | 330:c80ac197fa6a | 166 | __FMC_NORSRAM_ENABLE(hsram->Instance, hsram->Init.NSBank); |
mbed_official | 330:c80ac197fa6a | 167 | |
mbed_official | 330:c80ac197fa6a | 168 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 169 | } |
mbed_official | 330:c80ac197fa6a | 170 | |
mbed_official | 330:c80ac197fa6a | 171 | /** |
mbed_official | 330:c80ac197fa6a | 172 | * @brief Performs the SRAM device De-initialization sequence. |
mbed_official | 330:c80ac197fa6a | 173 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 174 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 175 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 176 | */ |
mbed_official | 330:c80ac197fa6a | 177 | HAL_StatusTypeDef HAL_SRAM_DeInit(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 178 | { |
mbed_official | 330:c80ac197fa6a | 179 | /* De-Initialize the low level hardware (MSP) */ |
mbed_official | 330:c80ac197fa6a | 180 | HAL_SRAM_MspDeInit(hsram); |
mbed_official | 330:c80ac197fa6a | 181 | |
mbed_official | 330:c80ac197fa6a | 182 | /* Configure the SRAM registers with their reset values */ |
mbed_official | 330:c80ac197fa6a | 183 | FMC_NORSRAM_DeInit(hsram->Instance, hsram->Extended, hsram->Init.NSBank); |
mbed_official | 330:c80ac197fa6a | 184 | |
mbed_official | 330:c80ac197fa6a | 185 | hsram->State = HAL_SRAM_STATE_RESET; |
mbed_official | 330:c80ac197fa6a | 186 | |
mbed_official | 330:c80ac197fa6a | 187 | /* Release Lock */ |
mbed_official | 330:c80ac197fa6a | 188 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 189 | |
mbed_official | 330:c80ac197fa6a | 190 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 191 | } |
mbed_official | 330:c80ac197fa6a | 192 | |
mbed_official | 330:c80ac197fa6a | 193 | /** |
mbed_official | 330:c80ac197fa6a | 194 | * @brief SRAM MSP Init. |
mbed_official | 330:c80ac197fa6a | 195 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 196 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 197 | * @retval None |
mbed_official | 330:c80ac197fa6a | 198 | */ |
mbed_official | 330:c80ac197fa6a | 199 | __weak void HAL_SRAM_MspInit(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 200 | { |
mbed_official | 330:c80ac197fa6a | 201 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 330:c80ac197fa6a | 202 | the HAL_SRAM_MspInit could be implemented in the user file |
mbed_official | 330:c80ac197fa6a | 203 | */ |
mbed_official | 330:c80ac197fa6a | 204 | } |
mbed_official | 330:c80ac197fa6a | 205 | |
mbed_official | 330:c80ac197fa6a | 206 | /** |
mbed_official | 330:c80ac197fa6a | 207 | * @brief SRAM MSP DeInit. |
mbed_official | 330:c80ac197fa6a | 208 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 209 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 210 | * @retval None |
mbed_official | 330:c80ac197fa6a | 211 | */ |
mbed_official | 330:c80ac197fa6a | 212 | __weak void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 213 | { |
mbed_official | 330:c80ac197fa6a | 214 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 330:c80ac197fa6a | 215 | the HAL_SRAM_MspDeInit could be implemented in the user file |
mbed_official | 330:c80ac197fa6a | 216 | */ |
mbed_official | 330:c80ac197fa6a | 217 | } |
mbed_official | 330:c80ac197fa6a | 218 | |
mbed_official | 330:c80ac197fa6a | 219 | /** |
mbed_official | 330:c80ac197fa6a | 220 | * @brief DMA transfer complete callback. |
mbed_official | 330:c80ac197fa6a | 221 | * @param hdma: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 222 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 223 | * @retval None |
mbed_official | 330:c80ac197fa6a | 224 | */ |
mbed_official | 330:c80ac197fa6a | 225 | __weak void HAL_SRAM_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma) |
mbed_official | 330:c80ac197fa6a | 226 | { |
mbed_official | 330:c80ac197fa6a | 227 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 330:c80ac197fa6a | 228 | the HAL_SRAM_DMA_XferCpltCallback could be implemented in the user file |
mbed_official | 330:c80ac197fa6a | 229 | */ |
mbed_official | 330:c80ac197fa6a | 230 | } |
mbed_official | 330:c80ac197fa6a | 231 | |
mbed_official | 330:c80ac197fa6a | 232 | /** |
mbed_official | 330:c80ac197fa6a | 233 | * @brief DMA transfer complete error callback. |
mbed_official | 330:c80ac197fa6a | 234 | * @param hdma: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 235 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 236 | * @retval None |
mbed_official | 330:c80ac197fa6a | 237 | */ |
mbed_official | 330:c80ac197fa6a | 238 | __weak void HAL_SRAM_DMA_XferErrorCallback(DMA_HandleTypeDef *hdma) |
mbed_official | 330:c80ac197fa6a | 239 | { |
mbed_official | 330:c80ac197fa6a | 240 | /* NOTE : This function Should not be modified, when the callback is needed, |
mbed_official | 330:c80ac197fa6a | 241 | the HAL_SRAM_DMA_XferErrorCallback could be implemented in the user file |
mbed_official | 330:c80ac197fa6a | 242 | */ |
mbed_official | 330:c80ac197fa6a | 243 | } |
mbed_official | 330:c80ac197fa6a | 244 | |
mbed_official | 330:c80ac197fa6a | 245 | /** |
mbed_official | 330:c80ac197fa6a | 246 | * @} |
mbed_official | 330:c80ac197fa6a | 247 | */ |
mbed_official | 330:c80ac197fa6a | 248 | |
mbed_official | 330:c80ac197fa6a | 249 | /** @defgroup SRAM_Exported_Functions_Group2 Input Output and memory control functions |
mbed_official | 330:c80ac197fa6a | 250 | * @brief Input Output and memory control functions |
mbed_official | 330:c80ac197fa6a | 251 | * |
mbed_official | 330:c80ac197fa6a | 252 | @verbatim |
mbed_official | 330:c80ac197fa6a | 253 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 254 | ##### SRAM Input and Output functions ##### |
mbed_official | 330:c80ac197fa6a | 255 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 256 | [..] |
mbed_official | 330:c80ac197fa6a | 257 | This section provides functions allowing to use and control the SRAM memory |
mbed_official | 330:c80ac197fa6a | 258 | |
mbed_official | 330:c80ac197fa6a | 259 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 260 | * @{ |
mbed_official | 330:c80ac197fa6a | 261 | */ |
mbed_official | 330:c80ac197fa6a | 262 | |
mbed_official | 330:c80ac197fa6a | 263 | /** |
mbed_official | 330:c80ac197fa6a | 264 | * @brief Reads 8-bit buffer from SRAM memory. |
mbed_official | 330:c80ac197fa6a | 265 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 266 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 267 | * @param pAddress: Pointer to read start address |
mbed_official | 330:c80ac197fa6a | 268 | * @param pDstBuffer: Pointer to destination buffer |
mbed_official | 330:c80ac197fa6a | 269 | * @param BufferSize: Size of the buffer to read from memory |
mbed_official | 330:c80ac197fa6a | 270 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 271 | */ |
mbed_official | 330:c80ac197fa6a | 272 | HAL_StatusTypeDef HAL_SRAM_Read_8b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint8_t *pDstBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 273 | { |
mbed_official | 330:c80ac197fa6a | 274 | __IO uint8_t * psramaddress = (uint8_t *)pAddress; |
mbed_official | 330:c80ac197fa6a | 275 | |
mbed_official | 330:c80ac197fa6a | 276 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 277 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 278 | |
mbed_official | 330:c80ac197fa6a | 279 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 280 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 281 | |
mbed_official | 330:c80ac197fa6a | 282 | /* Read data from memory */ |
mbed_official | 330:c80ac197fa6a | 283 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 284 | { |
mbed_official | 330:c80ac197fa6a | 285 | *pDstBuffer = *(__IO uint8_t *)psramaddress; |
mbed_official | 330:c80ac197fa6a | 286 | pDstBuffer++; |
mbed_official | 330:c80ac197fa6a | 287 | psramaddress++; |
mbed_official | 330:c80ac197fa6a | 288 | } |
mbed_official | 330:c80ac197fa6a | 289 | |
mbed_official | 330:c80ac197fa6a | 290 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 291 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 292 | |
mbed_official | 330:c80ac197fa6a | 293 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 294 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 295 | |
mbed_official | 330:c80ac197fa6a | 296 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 297 | } |
mbed_official | 330:c80ac197fa6a | 298 | |
mbed_official | 330:c80ac197fa6a | 299 | /** |
mbed_official | 330:c80ac197fa6a | 300 | * @brief Writes 8-bit buffer to SRAM memory. |
mbed_official | 330:c80ac197fa6a | 301 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 302 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 303 | * @param pAddress: Pointer to write start address |
mbed_official | 330:c80ac197fa6a | 304 | * @param pSrcBuffer: Pointer to source buffer to write |
mbed_official | 330:c80ac197fa6a | 305 | * @param BufferSize: Size of the buffer to write to memory |
mbed_official | 330:c80ac197fa6a | 306 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 307 | */ |
mbed_official | 330:c80ac197fa6a | 308 | HAL_StatusTypeDef HAL_SRAM_Write_8b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint8_t *pSrcBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 309 | { |
mbed_official | 330:c80ac197fa6a | 310 | __IO uint8_t * psramaddress = (uint8_t *)pAddress; |
mbed_official | 330:c80ac197fa6a | 311 | |
mbed_official | 330:c80ac197fa6a | 312 | /* Check the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 313 | if(hsram->State == HAL_SRAM_STATE_PROTECTED) |
mbed_official | 330:c80ac197fa6a | 314 | { |
mbed_official | 330:c80ac197fa6a | 315 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 316 | } |
mbed_official | 330:c80ac197fa6a | 317 | |
mbed_official | 330:c80ac197fa6a | 318 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 319 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 320 | |
mbed_official | 330:c80ac197fa6a | 321 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 322 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 323 | |
mbed_official | 330:c80ac197fa6a | 324 | /* Write data to memory */ |
mbed_official | 330:c80ac197fa6a | 325 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 326 | { |
mbed_official | 330:c80ac197fa6a | 327 | *(__IO uint8_t *)psramaddress = *pSrcBuffer; |
mbed_official | 330:c80ac197fa6a | 328 | pSrcBuffer++; |
mbed_official | 330:c80ac197fa6a | 329 | psramaddress++; |
mbed_official | 330:c80ac197fa6a | 330 | } |
mbed_official | 330:c80ac197fa6a | 331 | |
mbed_official | 330:c80ac197fa6a | 332 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 333 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 334 | |
mbed_official | 330:c80ac197fa6a | 335 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 336 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 337 | |
mbed_official | 330:c80ac197fa6a | 338 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 339 | } |
mbed_official | 330:c80ac197fa6a | 340 | |
mbed_official | 330:c80ac197fa6a | 341 | /** |
mbed_official | 330:c80ac197fa6a | 342 | * @brief Reads 16-bit buffer from SRAM memory. |
mbed_official | 330:c80ac197fa6a | 343 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 344 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 345 | * @param pAddress: Pointer to read start address |
mbed_official | 330:c80ac197fa6a | 346 | * @param pDstBuffer: Pointer to destination buffer |
mbed_official | 330:c80ac197fa6a | 347 | * @param BufferSize: Size of the buffer to read from memory |
mbed_official | 330:c80ac197fa6a | 348 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 349 | */ |
mbed_official | 330:c80ac197fa6a | 350 | HAL_StatusTypeDef HAL_SRAM_Read_16b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint16_t *pDstBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 351 | { |
mbed_official | 330:c80ac197fa6a | 352 | __IO uint16_t * psramaddress = (uint16_t *)pAddress; |
mbed_official | 330:c80ac197fa6a | 353 | |
mbed_official | 330:c80ac197fa6a | 354 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 355 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 356 | |
mbed_official | 330:c80ac197fa6a | 357 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 358 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 359 | |
mbed_official | 330:c80ac197fa6a | 360 | /* Read data from memory */ |
mbed_official | 330:c80ac197fa6a | 361 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 362 | { |
mbed_official | 330:c80ac197fa6a | 363 | *pDstBuffer = *(__IO uint16_t *)psramaddress; |
mbed_official | 330:c80ac197fa6a | 364 | pDstBuffer++; |
mbed_official | 330:c80ac197fa6a | 365 | psramaddress++; |
mbed_official | 330:c80ac197fa6a | 366 | } |
mbed_official | 330:c80ac197fa6a | 367 | |
mbed_official | 330:c80ac197fa6a | 368 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 369 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 370 | |
mbed_official | 330:c80ac197fa6a | 371 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 372 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 373 | |
mbed_official | 330:c80ac197fa6a | 374 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 375 | } |
mbed_official | 330:c80ac197fa6a | 376 | |
mbed_official | 330:c80ac197fa6a | 377 | /** |
mbed_official | 330:c80ac197fa6a | 378 | * @brief Writes 16-bit buffer to SRAM memory. |
mbed_official | 330:c80ac197fa6a | 379 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 380 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 381 | * @param pAddress: Pointer to write start address |
mbed_official | 330:c80ac197fa6a | 382 | * @param pSrcBuffer: Pointer to source buffer to write |
mbed_official | 330:c80ac197fa6a | 383 | * @param BufferSize: Size of the buffer to write to memory |
mbed_official | 330:c80ac197fa6a | 384 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 385 | */ |
mbed_official | 330:c80ac197fa6a | 386 | HAL_StatusTypeDef HAL_SRAM_Write_16b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint16_t *pSrcBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 387 | { |
mbed_official | 330:c80ac197fa6a | 388 | __IO uint16_t * psramaddress = (uint16_t *)pAddress; |
mbed_official | 330:c80ac197fa6a | 389 | |
mbed_official | 330:c80ac197fa6a | 390 | /* Check the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 391 | if(hsram->State == HAL_SRAM_STATE_PROTECTED) |
mbed_official | 330:c80ac197fa6a | 392 | { |
mbed_official | 330:c80ac197fa6a | 393 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 394 | } |
mbed_official | 330:c80ac197fa6a | 395 | |
mbed_official | 330:c80ac197fa6a | 396 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 397 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 398 | |
mbed_official | 330:c80ac197fa6a | 399 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 400 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 401 | |
mbed_official | 330:c80ac197fa6a | 402 | /* Write data to memory */ |
mbed_official | 330:c80ac197fa6a | 403 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 404 | { |
mbed_official | 330:c80ac197fa6a | 405 | *(__IO uint16_t *)psramaddress = *pSrcBuffer; |
mbed_official | 330:c80ac197fa6a | 406 | pSrcBuffer++; |
mbed_official | 330:c80ac197fa6a | 407 | psramaddress++; |
mbed_official | 330:c80ac197fa6a | 408 | } |
mbed_official | 330:c80ac197fa6a | 409 | |
mbed_official | 330:c80ac197fa6a | 410 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 411 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 412 | |
mbed_official | 330:c80ac197fa6a | 413 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 414 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 415 | |
mbed_official | 330:c80ac197fa6a | 416 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 417 | } |
mbed_official | 330:c80ac197fa6a | 418 | |
mbed_official | 330:c80ac197fa6a | 419 | /** |
mbed_official | 330:c80ac197fa6a | 420 | * @brief Reads 32-bit buffer from SRAM memory. |
mbed_official | 330:c80ac197fa6a | 421 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 422 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 423 | * @param pAddress: Pointer to read start address |
mbed_official | 330:c80ac197fa6a | 424 | * @param pDstBuffer: Pointer to destination buffer |
mbed_official | 330:c80ac197fa6a | 425 | * @param BufferSize: Size of the buffer to read from memory |
mbed_official | 330:c80ac197fa6a | 426 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 427 | */ |
mbed_official | 330:c80ac197fa6a | 428 | HAL_StatusTypeDef HAL_SRAM_Read_32b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 429 | { |
mbed_official | 330:c80ac197fa6a | 430 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 431 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 432 | |
mbed_official | 330:c80ac197fa6a | 433 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 434 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 435 | |
mbed_official | 330:c80ac197fa6a | 436 | /* Read data from memory */ |
mbed_official | 330:c80ac197fa6a | 437 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 438 | { |
mbed_official | 330:c80ac197fa6a | 439 | *pDstBuffer = *(__IO uint32_t *)pAddress; |
mbed_official | 330:c80ac197fa6a | 440 | pDstBuffer++; |
mbed_official | 330:c80ac197fa6a | 441 | pAddress++; |
mbed_official | 330:c80ac197fa6a | 442 | } |
mbed_official | 330:c80ac197fa6a | 443 | |
mbed_official | 330:c80ac197fa6a | 444 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 445 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 446 | |
mbed_official | 330:c80ac197fa6a | 447 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 448 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 449 | |
mbed_official | 330:c80ac197fa6a | 450 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 451 | } |
mbed_official | 330:c80ac197fa6a | 452 | |
mbed_official | 330:c80ac197fa6a | 453 | /** |
mbed_official | 330:c80ac197fa6a | 454 | * @brief Writes 32-bit buffer to SRAM memory. |
mbed_official | 330:c80ac197fa6a | 455 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 456 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 457 | * @param pAddress: Pointer to write start address |
mbed_official | 330:c80ac197fa6a | 458 | * @param pSrcBuffer: Pointer to source buffer to write |
mbed_official | 330:c80ac197fa6a | 459 | * @param BufferSize: Size of the buffer to write to memory |
mbed_official | 330:c80ac197fa6a | 460 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 461 | */ |
mbed_official | 330:c80ac197fa6a | 462 | HAL_StatusTypeDef HAL_SRAM_Write_32b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 463 | { |
mbed_official | 330:c80ac197fa6a | 464 | /* Check the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 465 | if(hsram->State == HAL_SRAM_STATE_PROTECTED) |
mbed_official | 330:c80ac197fa6a | 466 | { |
mbed_official | 330:c80ac197fa6a | 467 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 468 | } |
mbed_official | 330:c80ac197fa6a | 469 | |
mbed_official | 330:c80ac197fa6a | 470 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 471 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 472 | |
mbed_official | 330:c80ac197fa6a | 473 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 474 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 475 | |
mbed_official | 330:c80ac197fa6a | 476 | /* Write data to memory */ |
mbed_official | 330:c80ac197fa6a | 477 | for(; BufferSize != 0; BufferSize--) |
mbed_official | 330:c80ac197fa6a | 478 | { |
mbed_official | 330:c80ac197fa6a | 479 | *(__IO uint32_t *)pAddress = *pSrcBuffer; |
mbed_official | 330:c80ac197fa6a | 480 | pSrcBuffer++; |
mbed_official | 330:c80ac197fa6a | 481 | pAddress++; |
mbed_official | 330:c80ac197fa6a | 482 | } |
mbed_official | 330:c80ac197fa6a | 483 | |
mbed_official | 330:c80ac197fa6a | 484 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 485 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 486 | |
mbed_official | 330:c80ac197fa6a | 487 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 488 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 489 | |
mbed_official | 330:c80ac197fa6a | 490 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 491 | } |
mbed_official | 330:c80ac197fa6a | 492 | |
mbed_official | 330:c80ac197fa6a | 493 | /** |
mbed_official | 330:c80ac197fa6a | 494 | * @brief Reads a Words data from the SRAM memory using DMA transfer. |
mbed_official | 330:c80ac197fa6a | 495 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 496 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 497 | * @param pAddress: Pointer to read start address |
mbed_official | 330:c80ac197fa6a | 498 | * @param pDstBuffer: Pointer to destination buffer |
mbed_official | 330:c80ac197fa6a | 499 | * @param BufferSize: Size of the buffer to read from memory |
mbed_official | 330:c80ac197fa6a | 500 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 501 | */ |
mbed_official | 330:c80ac197fa6a | 502 | HAL_StatusTypeDef HAL_SRAM_Read_DMA(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 503 | { |
mbed_official | 330:c80ac197fa6a | 504 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 505 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 506 | |
mbed_official | 330:c80ac197fa6a | 507 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 508 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 509 | |
mbed_official | 330:c80ac197fa6a | 510 | /* Configure DMA user callbacks */ |
mbed_official | 330:c80ac197fa6a | 511 | hsram->hdma->XferCpltCallback = HAL_SRAM_DMA_XferCpltCallback; |
mbed_official | 330:c80ac197fa6a | 512 | hsram->hdma->XferErrorCallback = HAL_SRAM_DMA_XferErrorCallback; |
mbed_official | 330:c80ac197fa6a | 513 | |
mbed_official | 330:c80ac197fa6a | 514 | /* Enable the DMA Stream */ |
mbed_official | 330:c80ac197fa6a | 515 | HAL_DMA_Start_IT(hsram->hdma, (uint32_t)pAddress, (uint32_t)pDstBuffer, (uint32_t)BufferSize); |
mbed_official | 330:c80ac197fa6a | 516 | |
mbed_official | 330:c80ac197fa6a | 517 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 518 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 519 | |
mbed_official | 330:c80ac197fa6a | 520 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 521 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 522 | |
mbed_official | 330:c80ac197fa6a | 523 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 524 | } |
mbed_official | 330:c80ac197fa6a | 525 | |
mbed_official | 330:c80ac197fa6a | 526 | /** |
mbed_official | 330:c80ac197fa6a | 527 | * @brief Writes a Words data buffer to SRAM memory using DMA transfer. |
mbed_official | 330:c80ac197fa6a | 528 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 529 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 530 | * @param pAddress: Pointer to write start address |
mbed_official | 330:c80ac197fa6a | 531 | * @param pSrcBuffer: Pointer to source buffer to write |
mbed_official | 330:c80ac197fa6a | 532 | * @param BufferSize: Size of the buffer to write to memory |
mbed_official | 330:c80ac197fa6a | 533 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 534 | */ |
mbed_official | 330:c80ac197fa6a | 535 | HAL_StatusTypeDef HAL_SRAM_Write_DMA(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize) |
mbed_official | 330:c80ac197fa6a | 536 | { |
mbed_official | 330:c80ac197fa6a | 537 | /* Check the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 538 | if(hsram->State == HAL_SRAM_STATE_PROTECTED) |
mbed_official | 330:c80ac197fa6a | 539 | { |
mbed_official | 330:c80ac197fa6a | 540 | return HAL_ERROR; |
mbed_official | 330:c80ac197fa6a | 541 | } |
mbed_official | 330:c80ac197fa6a | 542 | |
mbed_official | 330:c80ac197fa6a | 543 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 544 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 545 | |
mbed_official | 330:c80ac197fa6a | 546 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 547 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 548 | |
mbed_official | 330:c80ac197fa6a | 549 | /* Configure DMA user callbacks */ |
mbed_official | 330:c80ac197fa6a | 550 | hsram->hdma->XferCpltCallback = HAL_SRAM_DMA_XferCpltCallback; |
mbed_official | 330:c80ac197fa6a | 551 | hsram->hdma->XferErrorCallback = HAL_SRAM_DMA_XferErrorCallback; |
mbed_official | 330:c80ac197fa6a | 552 | |
mbed_official | 330:c80ac197fa6a | 553 | /* Enable the DMA Stream */ |
mbed_official | 330:c80ac197fa6a | 554 | HAL_DMA_Start_IT(hsram->hdma, (uint32_t)pSrcBuffer, (uint32_t)pAddress, (uint32_t)BufferSize); |
mbed_official | 330:c80ac197fa6a | 555 | |
mbed_official | 330:c80ac197fa6a | 556 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 557 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 558 | |
mbed_official | 330:c80ac197fa6a | 559 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 560 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 561 | |
mbed_official | 330:c80ac197fa6a | 562 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 563 | } |
mbed_official | 330:c80ac197fa6a | 564 | |
mbed_official | 330:c80ac197fa6a | 565 | /** |
mbed_official | 330:c80ac197fa6a | 566 | * @} |
mbed_official | 330:c80ac197fa6a | 567 | */ |
mbed_official | 330:c80ac197fa6a | 568 | |
mbed_official | 330:c80ac197fa6a | 569 | /** @defgroup SRAM_Exported_Functions_Group3 Control functions |
mbed_official | 330:c80ac197fa6a | 570 | * @brief Control functions |
mbed_official | 330:c80ac197fa6a | 571 | * |
mbed_official | 330:c80ac197fa6a | 572 | @verbatim |
mbed_official | 330:c80ac197fa6a | 573 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 574 | ##### SRAM Control functions ##### |
mbed_official | 330:c80ac197fa6a | 575 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 576 | [..] |
mbed_official | 330:c80ac197fa6a | 577 | This subsection provides a set of functions allowing to control dynamically |
mbed_official | 330:c80ac197fa6a | 578 | the SRAM interface. |
mbed_official | 330:c80ac197fa6a | 579 | |
mbed_official | 330:c80ac197fa6a | 580 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 581 | * @{ |
mbed_official | 330:c80ac197fa6a | 582 | */ |
mbed_official | 330:c80ac197fa6a | 583 | |
mbed_official | 330:c80ac197fa6a | 584 | /** |
mbed_official | 330:c80ac197fa6a | 585 | * @brief Enables dynamically SRAM write operation. |
mbed_official | 330:c80ac197fa6a | 586 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 587 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 588 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 589 | */ |
mbed_official | 330:c80ac197fa6a | 590 | HAL_StatusTypeDef HAL_SRAM_WriteOperation_Enable(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 591 | { |
mbed_official | 330:c80ac197fa6a | 592 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 593 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 594 | |
mbed_official | 330:c80ac197fa6a | 595 | /* Enable write operation */ |
mbed_official | 330:c80ac197fa6a | 596 | FMC_NORSRAM_WriteOperation_Enable(hsram->Instance, hsram->Init.NSBank); |
mbed_official | 330:c80ac197fa6a | 597 | |
mbed_official | 330:c80ac197fa6a | 598 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 599 | hsram->State = HAL_SRAM_STATE_READY; |
mbed_official | 330:c80ac197fa6a | 600 | |
mbed_official | 330:c80ac197fa6a | 601 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 602 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 603 | |
mbed_official | 330:c80ac197fa6a | 604 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 605 | } |
mbed_official | 330:c80ac197fa6a | 606 | |
mbed_official | 330:c80ac197fa6a | 607 | /** |
mbed_official | 330:c80ac197fa6a | 608 | * @brief Disables dynamically SRAM write operation. |
mbed_official | 330:c80ac197fa6a | 609 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 610 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 611 | * @retval HAL status |
mbed_official | 330:c80ac197fa6a | 612 | */ |
mbed_official | 330:c80ac197fa6a | 613 | HAL_StatusTypeDef HAL_SRAM_WriteOperation_Disable(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 614 | { |
mbed_official | 330:c80ac197fa6a | 615 | /* Process Locked */ |
mbed_official | 330:c80ac197fa6a | 616 | __HAL_LOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 617 | |
mbed_official | 330:c80ac197fa6a | 618 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 619 | hsram->State = HAL_SRAM_STATE_BUSY; |
mbed_official | 330:c80ac197fa6a | 620 | |
mbed_official | 330:c80ac197fa6a | 621 | /* Disable write operation */ |
mbed_official | 330:c80ac197fa6a | 622 | FMC_NORSRAM_WriteOperation_Disable(hsram->Instance, hsram->Init.NSBank); |
mbed_official | 330:c80ac197fa6a | 623 | |
mbed_official | 330:c80ac197fa6a | 624 | /* Update the SRAM controller state */ |
mbed_official | 330:c80ac197fa6a | 625 | hsram->State = HAL_SRAM_STATE_PROTECTED; |
mbed_official | 330:c80ac197fa6a | 626 | |
mbed_official | 330:c80ac197fa6a | 627 | /* Process unlocked */ |
mbed_official | 330:c80ac197fa6a | 628 | __HAL_UNLOCK(hsram); |
mbed_official | 330:c80ac197fa6a | 629 | |
mbed_official | 330:c80ac197fa6a | 630 | return HAL_OK; |
mbed_official | 330:c80ac197fa6a | 631 | } |
mbed_official | 330:c80ac197fa6a | 632 | |
mbed_official | 330:c80ac197fa6a | 633 | /** |
mbed_official | 330:c80ac197fa6a | 634 | * @} |
mbed_official | 330:c80ac197fa6a | 635 | */ |
mbed_official | 330:c80ac197fa6a | 636 | |
mbed_official | 330:c80ac197fa6a | 637 | /** @defgroup SRAM_Exported_Functions_Group4 Peripheral State functions |
mbed_official | 330:c80ac197fa6a | 638 | * @brief Peripheral State functions |
mbed_official | 330:c80ac197fa6a | 639 | * |
mbed_official | 330:c80ac197fa6a | 640 | @verbatim |
mbed_official | 330:c80ac197fa6a | 641 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 642 | ##### SRAM State functions ##### |
mbed_official | 330:c80ac197fa6a | 643 | ============================================================================== |
mbed_official | 330:c80ac197fa6a | 644 | [..] |
mbed_official | 330:c80ac197fa6a | 645 | This subsection permits to get in run-time the status of the SRAM controller |
mbed_official | 330:c80ac197fa6a | 646 | and the data flow. |
mbed_official | 330:c80ac197fa6a | 647 | |
mbed_official | 330:c80ac197fa6a | 648 | @endverbatim |
mbed_official | 330:c80ac197fa6a | 649 | * @{ |
mbed_official | 330:c80ac197fa6a | 650 | */ |
mbed_official | 330:c80ac197fa6a | 651 | |
mbed_official | 330:c80ac197fa6a | 652 | /** |
mbed_official | 330:c80ac197fa6a | 653 | * @brief Returns the SRAM controller state |
mbed_official | 330:c80ac197fa6a | 654 | * @param hsram: pointer to a SRAM_HandleTypeDef structure that contains |
mbed_official | 330:c80ac197fa6a | 655 | * the configuration information for SRAM module. |
mbed_official | 330:c80ac197fa6a | 656 | * @retval HAL state |
mbed_official | 330:c80ac197fa6a | 657 | */ |
mbed_official | 330:c80ac197fa6a | 658 | HAL_SRAM_StateTypeDef HAL_SRAM_GetState(SRAM_HandleTypeDef *hsram) |
mbed_official | 330:c80ac197fa6a | 659 | { |
mbed_official | 330:c80ac197fa6a | 660 | return hsram->State; |
mbed_official | 330:c80ac197fa6a | 661 | } |
mbed_official | 330:c80ac197fa6a | 662 | |
mbed_official | 330:c80ac197fa6a | 663 | /** |
mbed_official | 330:c80ac197fa6a | 664 | * @} |
mbed_official | 330:c80ac197fa6a | 665 | */ |
mbed_official | 330:c80ac197fa6a | 666 | |
mbed_official | 330:c80ac197fa6a | 667 | /** |
mbed_official | 330:c80ac197fa6a | 668 | * @} |
mbed_official | 330:c80ac197fa6a | 669 | */ |
mbed_official | 330:c80ac197fa6a | 670 | #endif /* STM32F302xE || STM32F303xE || STM32F398xx */ |
mbed_official | 330:c80ac197fa6a | 671 | #endif /* HAL_SRAM_MODULE_ENABLED */ |
mbed_official | 330:c80ac197fa6a | 672 | /** |
mbed_official | 330:c80ac197fa6a | 673 | * @} |
mbed_official | 330:c80ac197fa6a | 674 | */ |
mbed_official | 330:c80ac197fa6a | 675 | |
mbed_official | 330:c80ac197fa6a | 676 | /** |
mbed_official | 330:c80ac197fa6a | 677 | * @} |
mbed_official | 330:c80ac197fa6a | 678 | */ |
mbed_official | 330:c80ac197fa6a | 679 | |
mbed_official | 330:c80ac197fa6a | 680 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |