2 ******************************************************************************
3 * @file stm32l1xx_hal_sram.h
4 * @author MCD Application Team
6 * @date 5-September-2014
7 * @brief Header file of SRAM HAL module.
8 ******************************************************************************
11 * <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
13 * Redistribution and use in source and binary forms, with or without modification,
14 * are permitted provided that the following conditions are met:
15 * 1. Redistributions of source code must retain the above copyright notice,
16 * this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright notice,
18 * this list of conditions and the following disclaimer in the documentation
19 * and/or other materials provided with the distribution.
20 * 3. Neither the name of STMicroelectronics nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
24 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
25 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
27 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
30 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
31 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
33 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 ******************************************************************************
38 /* Define to prevent recursive inclusion -------------------------------------*/
39 #ifndef __STM32L1xx_HAL_SRAM_H
40 #define __STM32L1xx_HAL_SRAM_H
46 /* Includes ------------------------------------------------------------------*/
47 #include "stm32l1xx_ll_fsmc.h"
49 /** @addtogroup STM32L1xx_HAL_Driver
57 #if defined (STM32L151xD) || defined (STM32L152xD) || defined (STM32L162xD)
59 /* Exported typedef ----------------------------------------------------------*/
61 /** @defgroup SRAM_Exported_typedef SRAM Exported typedef
66 * @brief HAL SRAM State structures definition
70 HAL_SRAM_STATE_RESET = 0x00, /*!< SRAM not yet initialized or disabled */
71 HAL_SRAM_STATE_READY = 0x01, /*!< SRAM initialized and ready for use */
72 HAL_SRAM_STATE_BUSY = 0x02, /*!< SRAM internal process is ongoing */
73 HAL_SRAM_STATE_ERROR = 0x03, /*!< SRAM error state */
74 HAL_SRAM_STATE_PROTECTED = 0x04 /*!< SRAM peripheral NORSRAM device write protected */
76 }HAL_SRAM_StateTypeDef;
79 * @brief SRAM handle Structure definition
83 FSMC_NORSRAM_TYPEDEF *Instance; /*!< Register base address */
85 FSMC_NORSRAM_EXTENDED_TYPEDEF *Extended; /*!< Extended mode register base address */
87 FSMC_NORSRAM_InitTypeDef Init; /*!< SRAM device control configuration parameters */
89 HAL_LockTypeDef Lock; /*!< SRAM locking object */
91 __IO HAL_SRAM_StateTypeDef State; /*!< SRAM device access state */
93 DMA_HandleTypeDef *hdma; /*!< Pointer DMA handler */
101 /* Exported constants --------------------------------------------------------*/
102 /* Exported macro ------------------------------------------------------------*/
104 /** @defgroup SRAM_Exported_macro SRAM Exported macro
108 /** @brief Reset SRAM handle state
109 * @param __HANDLE__: SRAM handle
112 #define __HAL_SRAM_RESET_HANDLE_STATE(__HANDLE__) ((__HANDLE__)->State = HAL_SRAM_STATE_RESET)
118 /* Exported functions --------------------------------------------------------*/
120 /** @addtogroup SRAM_Exported_Functions
124 /** @addtogroup SRAM_Exported_Functions_Group1
128 /* Initialization/de-initialization functions **********************************/
129 HAL_StatusTypeDef HAL_SRAM_Init(SRAM_HandleTypeDef *hsram, FSMC_NORSRAM_TimingTypeDef *Timing, FSMC_NORSRAM_TimingTypeDef *ExtTiming);
130 HAL_StatusTypeDef HAL_SRAM_DeInit(SRAM_HandleTypeDef *hsram);
131 void HAL_SRAM_MspInit(SRAM_HandleTypeDef *hsram);
132 void HAL_SRAM_MspDeInit(SRAM_HandleTypeDef *hsram);
134 void HAL_SRAM_DMA_XferCpltCallback(DMA_HandleTypeDef *hdma);
135 void HAL_SRAM_DMA_XferErrorCallback(DMA_HandleTypeDef *hdma);
141 /** @addtogroup SRAM_Exported_Functions_Group2
145 /* I/O operation functions *****************************************************/
146 HAL_StatusTypeDef HAL_SRAM_Read_8b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint8_t *pDstBuffer, uint32_t BufferSize);
147 HAL_StatusTypeDef HAL_SRAM_Write_8b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint8_t *pSrcBuffer, uint32_t BufferSize);
148 HAL_StatusTypeDef HAL_SRAM_Read_16b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint16_t *pDstBuffer, uint32_t BufferSize);
149 HAL_StatusTypeDef HAL_SRAM_Write_16b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint16_t *pSrcBuffer, uint32_t BufferSize);
150 HAL_StatusTypeDef HAL_SRAM_Read_32b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize);
151 HAL_StatusTypeDef HAL_SRAM_Write_32b(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize);
152 HAL_StatusTypeDef HAL_SRAM_Read_DMA(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pDstBuffer, uint32_t BufferSize);
153 HAL_StatusTypeDef HAL_SRAM_Write_DMA(SRAM_HandleTypeDef *hsram, uint32_t *pAddress, uint32_t *pSrcBuffer, uint32_t BufferSize);
159 /** @addtogroup SRAM_Exported_Functions_Group3
163 /* SRAM Control functions ******************************************************/
164 HAL_StatusTypeDef HAL_SRAM_WriteOperation_Enable(SRAM_HandleTypeDef *hsram);
165 HAL_StatusTypeDef HAL_SRAM_WriteOperation_Disable(SRAM_HandleTypeDef *hsram);
171 /** @addtogroup SRAM_Exported_Functions_Group4
175 /* SRAM State functions *********************************************************/
176 HAL_SRAM_StateTypeDef HAL_SRAM_GetState(SRAM_HandleTypeDef *hsram);
186 #endif /* STM32L151xD || STM32L152xD || STM32L162xD */
200 #endif /* __STM32L1xx_HAL_SRAM_H */
202 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/