STM32F723E-Discovery BSP User Manual: stm32f723e_discovery_psram.h Source File

00001 /**
00002   ******************************************************************************
00003   * @file    stm32f723e_discovery_psram.h
00004   * @author  MCD Application Team
00005   * @version V1.0.0
00006   * @date    30-December-2016
00007   * @brief   This file contains the common defines and functions prototypes for
00008   *          the stm32f723e_discovery_psram.c driver.
00009   ******************************************************************************
00010   * @attention
00011   *
00012   * <h2><center>&copy; COPYRIGHT(c) 2016 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 __STM32F723E_DISCOVERY_PSRAM_H
00041 #define __STM32F723E_DISCOVERY_PSRAM_H
00042 
00043 #ifdef __cplusplus
00044  extern "C" {
00045 #endif 
00046 
00047 /* Includes ------------------------------------------------------------------*/
00048 #include "stm32f7xx_hal.h"
00049 
00050 /** @addtogroup BSP
00051   * @{
00052   */ 
00053 
00054 /** @addtogroup STM32F723E_DISCOVERY
00055   * @{
00056   */
00057     
00058 /** @addtogroup STM32F723E_DISCOVERY_PSRAM
00059   * @{
00060   */    
00061 
00062 /** @defgroup STM32F723E_DISCOVERY_PSRAM_Exported_Types PSRAM Exported Types
00063   * @{
00064   */
00065 
00066 /** 
00067   * @brief  PSRAM status structure definition  
00068   */     
00069 #define   PSRAM_OK         ((uint8_t)0x00)
00070 #define   PSRAM_ERROR      ((uint8_t)0x01)
00071 
00072 #define PSRAM_DEVICE_ADDR  ((uint32_t)0x60000000)
00073 #define PSRAM_DEVICE_SIZE  ((uint32_t)0x80000)  /* SRAM device size in Bytes */  
00074   
00075 /* #define SRAM_MEMORY_WIDTH    FMC_NORSRAM_MEM_BUS_WIDTH_8*/
00076 #define PSRAM_MEMORY_WIDTH    FMC_NORSRAM_MEM_BUS_WIDTH_16
00077 
00078 #define PSRAM_BURSTACCESS     FMC_BURST_ACCESS_MODE_DISABLE
00079 /* #define PSRAM_BURSTACCESS     FMC_BURST_ACCESS_MODE_ENABLE*/
00080   
00081 #define PSRAM_WRITEBURST      FMC_WRITE_BURST_DISABLE
00082 /* #define PSRAM_WRITEBURST     FMC_WRITE_BURST_ENABLE */
00083  
00084 #define CONTINUOUSCLOCK_FEATURE    FMC_CONTINUOUS_CLOCK_SYNC_ONLY 
00085 /* #define CONTINUOUSCLOCK_FEATURE     FMC_CONTINUOUS_CLOCK_SYNC_ASYNC */ 
00086 
00087 /* DMA definitions for SRAM DMA transfer */
00088 #define __PSRAM_DMAx_CLK_ENABLE            __HAL_RCC_DMA2_CLK_ENABLE
00089 #define __PSRAM_DMAx_CLK_DISABLE           __HAL_RCC_DMA2_CLK_DISABLE
00090 #define PSRAM_DMAx_CHANNEL                 DMA_CHANNEL_0
00091 #define PSRAM_DMAx_STREAM                  DMA2_Stream5  
00092 #define PSRAM_DMAx_IRQn                    DMA2_Stream5_IRQn
00093 #define BSP_PSRAM_DMA_IRQHandler           DMA2_Stream5_IRQHandler   
00094   
00095 /** @defgroup STM32F723E_DISCOVERY_PSRAM_Exported_Macro PSRAM Exported Macro
00096   * @{
00097   */  
00098 /**
00099   * @}
00100   */ 
00101    
00102 /** @defgroup STM32F723E_DISCOVERY_PSRAM_Exported_Functions PSRAM Exported Functions
00103   * @{
00104   */  
00105 uint8_t BSP_PSRAM_Init(void);
00106 uint8_t BSP_PSRAM_DeInit(void);
00107 uint8_t BSP_PSRAM_ReadData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00108 uint8_t BSP_PSRAM_ReadData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00109 uint8_t BSP_PSRAM_WriteData(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00110 uint8_t BSP_PSRAM_WriteData_DMA(uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize);
00111    
00112 /* These functions can be modified in case the current settings (e.g. DMA stream)
00113    need to be changed for specific application needs */
00114 void    BSP_PSRAM_MspInit(SRAM_HandleTypeDef  *hsram, void *Params);
00115 void    BSP_PSRAM_MspDeInit(SRAM_HandleTypeDef  *hsram, void *Params);
00116 /**
00117   * @}
00118   */ 
00119 
00120 /**
00121   * @}
00122   */ 
00123 
00124 /**
00125   * @}
00126   */ 
00127 
00128 /**
00129   * @}
00130   */ 
00131 
00132 /**
00133   * @}
00134   */
00135 
00136 #ifdef __cplusplus
00137 }
00138 #endif
00139 
00140 #endif /* __STM32F723E_DISCOVERY_PSRAM_H */
00141 
00142 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/