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lib/main/STM32H7/Drivers/BSP/STM32H7B3I-EVAL/stm32h7b3i_eval_sdram.h

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+/**
+  ******************************************************************************
+  * @file    stm32h7b3i_eval_sdram.h
+  * @author  MCD Application Team
+  * @brief   This file contains the common defines and functions prototypes for
+  *          the stm32h7b3i_eval_sdram.c driver.
+  ******************************************************************************
+  * @attention
+  *
+  * Copyright (c) 2019 STMicroelectronics.
+  * All rights reserved.
+  *
+  * This software is licensed under terms that can be found in the LICENSE file
+  * in the root directory of this software component.
+  * If no LICENSE file comes with this software, it is provided AS-IS.
+  *
+  ******************************************************************************
+  */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef STM32H7B3I_EVAL_SDRAM_H
+#define STM32H7B3I_EVAL_SDRAM_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7b3i_eval_conf.h"
+#include "stm32h7b3i_eval_errno.h"
+#include "../Components/is42s32800j/is42s32800j.h"
+
+/** @addtogroup BSP
+  * @{
+  */
+
+/** @addtogroup STM32H7B3I_EVAL
+  * @{
+  */
+
+/** @defgroup STM32H7B3I_EVAL_SDRAM SDRAM
+  * @{
+  */
+
+/** @defgroup STM32H7B3I_EVAL_SDRAM_Exported_Types SDRAM Exported Types
+  * @{
+  */
+typedef enum
+{
+  SDRAM_DATA_LENGTH_16B,
+  SDRAM_DATA_LENGTH_32B
+} SDRAM_DataLength_t;
+
+#if (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1)
+typedef struct
+{
+  void (* pMspInitCb)(SDRAM_HandleTypeDef *);
+  void (* pMspDeInitCb)(SDRAM_HandleTypeDef *);
+} BSP_SDRAM_Cb_t;
+#endif /* (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1) */
+/**
+  * @}
+  */
+
+
+/** @defgroup STM32H7B3I_EVAL_SDRAM_Exported_Constants SDRAM Exported Constants
+  * @{
+  */
+#define SDRAM_INSTANCES_NBR       1U
+#define SDRAM_DEVICE_ADDR         0xD0000000U
+#define SDRAM_DEVICE_SIZE         0x02000000U  /* 32 MBytes */
+
+/* DMA definitions for SDRAM DMA transfer */
+#define SDRAM_MDMAx_CLK_ENABLE             __HAL_RCC_MDMA_CLK_ENABLE
+#define SDRAM_MDMAx_CLK_DISABLE            __HAL_RCC_MDMA_CLK_DISABLE
+#define SDRAM_MDMAx_CHANNEL                MDMA_Channel0
+#define SDRAM_MDMAx_IRQn                   MDMA_IRQn
+#define SDRAM_MDMA_IRQHandler              MDMA_IRQHandler
+
+
+/**
+  * @brief  FMC SDRAM Mode definition register defines
+  */
+#define SDRAM_MODEREG_BURST_LENGTH_1             0x0000U
+#define SDRAM_MODEREG_BURST_LENGTH_2             0x0001U
+#define SDRAM_MODEREG_BURST_LENGTH_4             0x0002U
+#define SDRAM_MODEREG_BURST_LENGTH_8             0x0004U
+#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL      0x0000U
+#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED     0x0008U
+#define SDRAM_MODEREG_CAS_LATENCY_2              0x0020U
+#define SDRAM_MODEREG_CAS_LATENCY_3              0x0030U
+#define SDRAM_MODEREG_OPERATING_MODE_STANDARD    0x0000U
+#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED 0x0000U
+#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE     0x0200U
+/**
+  * @}
+  */
+
+/** @addtogroup STM32H7B3I_EVAL_SDRAM_Exported_Variables
+  * @{
+  */
+extern SDRAM_HandleTypeDef hsdram[];
+/**
+  * @}
+  */
+/** @addtogroup STM32H7B3I_EVAL_SDRAM_Exported_Functions
+  * @{
+  */
+int32_t BSP_SDRAM_Init(uint32_t Instance);
+int32_t BSP_SDRAM_InitEx(uint32_t Instance, SDRAM_DataLength_t DataLength);
+int32_t BSP_SDRAM_DeInit(uint32_t Instance);
+#if (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1)
+int32_t BSP_SDRAM_RegisterDefaultMspCallbacks(uint32_t Instance);
+int32_t BSP_SDRAM_RegisterMspCallbacks(uint32_t Instance, BSP_SDRAM_Cb_t *CallBacks);
+#endif /* (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1)  */
+int32_t BSP_SDRAM_SendCmd(uint32_t Instance, FMC_SDRAM_CommandTypeDef *SdramCmd);
+void BSP_SDRAM_IRQHandler(uint32_t Instance);
+
+/* These functions can be modified in case the current settings need to be
+   changed for specific application needs */
+HAL_StatusTypeDef MX_SDRAM_BANK2_Init(SDRAM_HandleTypeDef *hSdram, uint32_t RowBitsNumber, uint32_t MemoryDataWidth);
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+/**
+  * @}
+  */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32H7B3I_EVAL_SDRAM_H */