STM32469I_EVAL BSP User Manual: stm32469i_eval_sram.h Source File

00001 /**
00002   ******************************************************************************
00003   * @file    stm32469i_eval_sram.h
00004   * @author  MCD Application Team
00005   * @version V1.0.2
00006   * @date    12-January-2016
00007   * @brief   This file contains the common defines and functions prototypes for
00008   *          the stm32469i_eval_sram.c driver.
00009   ******************************************************************************
00010   * @attention
00011   *
00012   * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
00013   *
00014   * Redistribution and use in source and binary forms, with or without modification,
00015   * are permitted provided that the following conditions are met:
00016   *   1. Redistributions of source code must retain the above copyright notice,
00017   *      this list of conditions and the following disclaimer.
00018   *   2. Redistributions in binary form must reproduce the above copyright notice,
00019   *      this list of conditions and the following disclaimer in the documentation
00020   *      and/or other materials provided with the distribution.
00021   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00022   *      may be used to endorse or promote products derived from this software
00023   *      without specific prior written permission.
00024   *
00025   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00026   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00027   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00028   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00029   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00030   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00031   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00032   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00033   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00034   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00035   *
00036   ******************************************************************************
00037   */
00038 
00039 /* Define to prevent recursive inclusion -------------------------------------*/
00040 #ifndef __STM32469I_EVAL_SRAM_H
00041 #define __STM32469I_EVAL_SRAM_H
00042 
00043 #ifdef __cplusplus
00044  extern "C" {
00045 #endif
00046 
00047 /* Includes ------------------------------------------------------------------*/
00048 #include "stm32f4xx_hal.h"
00049 
00050 /** @addtogroup BSP
00051   * @{
00052   */
00053 
00054 /** @addtogroup STM32469I_EVAL
00055   * @{
00056   */
00057 
00058 /** @addtogroup STM32469I-EVAL_SRAM
00059   * @{
00060   */
00061 
00062 /** @defgroup STM32469I-EVAL_SRAM_Exported_Types STM32469I EVAL SRAM Exported Types
00063   * @{
00064   */
00065 /**
00066   * @}
00067   */
00068 
00069 /** @defgroup STM32469I-EVAL_SRAM_Exported_Constants STM32469I EVAL SRAM Exported Constants
00070   * @{
00071   */
00072 
00073 #define SRAM_OK                ((uint8_t)0x00)
00074 #define SRAM_ERROR             ((uint8_t)0x01)
00075 
00076 #define SRAM_DEVICE_ADDR       ((uint32_t)0x64000000)
00077 
00078  /* SRAM device size in MBytes */
00079 #define SRAM_DEVICE_SIZE       ((uint32_t)0x200000)
00080 
00081 #define SRAM_MEMORY_WIDTH       FMC_NORSRAM_MEM_BUS_WIDTH_16
00082 #define SRAM_BURSTACCESS        FMC_BURST_ACCESS_MODE_DISABLE
00083 #define SRAM_WRITEBURST         FMC_WRITE_BURST_DISABLE
00084 #define CONTINUOUSCLOCK_FEATURE FMC_CONTINUOUS_CLOCK_SYNC_ONLY
00085 
00086 /* DMA definitions for SRAM DMA transfer */
00087 #define __SRAM_DMAx_CLK_ENABLE   __HAL_RCC_DMA2_CLK_ENABLE
00088 #define __SRAM_DMAx_CLK_DISABLE  __HAL_RCC_DMA2_CLK_DISABLE
00089 #define SRAM_DMAx_CHANNEL        DMA_CHANNEL_0
00090 #define SRAM_DMAx_STREAM         DMA2_Stream4
00091 #define SRAM_DMAx_IRQn           DMA2_Stream4_IRQn
00092 #define SRAM_DMAx_IRQHandler     DMA2_Stream4_IRQHandler
00093 /**
00094   * @}
00095   */
00096 
00097 /** @defgroup STM32469I-EVAL_SRAM_Exported_Macro STM32469I EVAL SRAM Exported Macro
00098   * @{
00099   */
00100 /**
00101   * @}
00102   */
00103 
00104 /** @addtogroup STM32469I-EVAL_SRAM_Exported_Functions
00105   * @{
00106   */
00107 uint8_t BSP_SRAM_Init(void);
00108 uint8_t BSP_SRAM_DeInit(void);
00109 uint8_t BSP_SRAM_ReadData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00110 uint8_t BSP_SRAM_ReadData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00111 uint8_t BSP_SRAM_WriteData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00112 uint8_t BSP_SRAM_WriteData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00113 void    BSP_SRAM_DMA_IRQHandler(void);
00114 
00115 /* These function can be modified in case the current settings (e.g. DMA stream)
00116    need to be changed for specific application needs */
00117 void    BSP_SRAM_MspInit(SRAM_HandleTypeDef *hsram, void *Params);
00118 void    BSP_SRAM_MspDeInit(SRAM_HandleTypeDef *hsram, void *Params);
00119 
00120 /**
00121   * @}
00122   */
00123 
00124 /**
00125   * @}
00126   */
00127 
00128 /**
00129   * @}
00130   */
00131 
00132 /**
00133   * @}
00134   */
00135 
00136 
00137 #ifdef __cplusplus
00138 }
00139 #endif
00140 
00141 #endif /* __STM32469I_EVAL_SRAM_H */
00142 
00143 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/