STM32L152D_EVAL BSP User Manual: stm32l152d_eval_sram.h Source File

00001 /**
00002   ******************************************************************************
00003   * @file    stm32l152d_eval_sram.h
00004   * @author  MCD Application Team
00005   * @brief   This file contains the common defines and functions prototypes for
00006   *          the stm32l152d_eval_sram.c driver.
00007   ******************************************************************************
00008   * @attention
00009   *
00010   * <h2><center>&copy; COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
00011   *
00012   * Redistribution and use in source and binary forms, with or without modification,
00013   * are permitted provided that the following conditions are met:
00014   *   1. Redistributions of source code must retain the above copyright notice,
00015   *      this list of conditions and the following disclaimer.
00016   *   2. Redistributions in binary form must reproduce the above copyright notice,
00017   *      this list of conditions and the following disclaimer in the documentation
00018   *      and/or other materials provided with the distribution.
00019   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00020   *      may be used to endorse or promote products derived from this software
00021   *      without specific prior written permission.
00022   *
00023   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00026   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00027   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00028   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00029   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00032   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033   *
00034   ******************************************************************************
00035   */ 
00036 
00037 /** @addtogroup BSP
00038   * @{
00039   */ 
00040 
00041 /** @addtogroup STM32L152D_EVAL
00042   * @{
00043   */
00044 
00045 /* Define to prevent recursive inclusion -------------------------------------*/
00046 #ifndef __STM32L152D_EVAL_SRAM_H
00047 #define __STM32L152D_EVAL_SRAM_H
00048 
00049 #ifdef __cplusplus
00050  extern "C" {
00051 #endif 
00052 
00053 /* Includes ------------------------------------------------------------------*/
00054 #include "stm32l1xx_hal.h"
00055 
00056 /** @addtogroup STM32L152D_EVAL_SRAM
00057   * @{
00058   */    
00059   
00060 
00061 /* Exported constants --------------------------------------------------------*/ 
00062 
00063 /** @defgroup STM32L152D_EVAL_SRAM_Exported_Constants Exported Constants
00064   * @{
00065   */
00066 
00067 /** 
00068   * @brief  SRAM status structure definition  
00069   */     
00070 #define   SRAM_OK         0x00
00071 #define   SRAM_ERROR      0x01
00072 
00073 #define SRAM_DEVICE_ADDR  ((uint32_t)0x68000000)
00074 #define SRAM_DEVICE_SIZE  ((uint32_t)0x200000)  /* SRAM device size in MBytes */  
00075   
00076 /* #define SRAM_MEMORY_WIDTH    FSMC_NORSRAM_MEM_BUS_WIDTH_8  */
00077 #define SRAM_MEMORY_WIDTH    FSMC_NORSRAM_MEM_BUS_WIDTH_16
00078 
00079 #define SRAM_BURSTACCESS    FSMC_BURST_ACCESS_MODE_DISABLE  
00080 /* #define SRAM_BURSTACCESS    FSMC_BURST_ACCESS_MODE_ENABLE*/
00081   
00082 #define SRAM_WRITEBURST    FSMC_WRITE_BURST_DISABLE  
00083 /* #define SRAM_WRITEBURST   FSMC_WRITE_BURST_ENABLE */
00084  
00085 /* DMA definitions for SRAM DMA transfer */
00086 #define SRAM_DMAx_CLK_ENABLE              __HAL_RCC_DMA1_CLK_ENABLE
00087 #define SRAM_DMAx_CHANNEL                 DMA1_Channel1
00088 #define SRAM_DMAx_IRQn                    DMA1_Channel1_IRQn
00089 #define SRAM_DMAx_IRQHandler              DMA1_Channel1_IRQHandler  
00090   
00091 /**
00092   * @}
00093   */ 
00094 
00095   
00096 /* Exported functions --------------------------------------------------------*/
00097 
00098 /** @addtogroup STM32L152D_EVAL_SRAM_Exported_Functions
00099   * @{
00100   */    
00101 uint8_t BSP_SRAM_Init(void);
00102 uint8_t BSP_SRAM_ReadData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00103 uint8_t BSP_SRAM_ReadData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00104 uint8_t BSP_SRAM_WriteData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00105 uint8_t BSP_SRAM_WriteData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00106 void BSP_SRAM_DMA_IRQHandler(void);
00107 
00108 /**
00109   * @}
00110   */ 
00111 
00112 /**
00113   * @}
00114   */ 
00115 
00116 #ifdef __cplusplus
00117 }
00118 #endif
00119 
00120 #endif /* __STM32L152D_EVAL_SRAM_H */
00121 
00122 /**
00123   * @}
00124   */ 
00125 
00126 /**
00127   * @}
00128   */ 
00129 
00130 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/