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136 lines
3.9 KiB
C
136 lines
3.9 KiB
C
/**
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******************************************************************************
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* @file stm32h7b3i_discovery_sdram.h
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* @author MCD Application Team
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* @brief This file contains the common defines and functions prototypes for
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* the stm32h7b3i_discovery_sdram.c driver.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2019 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef STM32H7B3I_DK_SDRAM_H
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#define STM32H7B3I_DK_SDRAM_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32h7b3i_discovery_conf.h"
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#include "stm32h7b3i_discovery_errno.h"
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#include "../Components/is42s16800j/is42s16800j.h"
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/** @addtogroup BSP
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* @{
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*/
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/** @addtogroup STM32H7B3I_DK
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* @{
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*/
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/** @defgroup STM32H7B3I_DK_SDRAM SDRAM
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* @{
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*/
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/** @defgroup STM32H7B3I_DK_SDRAM_Exported_Types Exported Types
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* @{
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*/
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#if (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1)
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typedef struct
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{
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void (* pMspInitCb)(SDRAM_HandleTypeDef *);
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void (* pMspDeInitCb)(SDRAM_HandleTypeDef *);
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} BSP_SDRAM_Cb_t;
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#endif /* (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1) */
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/**
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* @}
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*/
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/** @defgroup STM32H7B3I_DK_SDRAM_Exported_Constants Exported Constants
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* @{
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*/
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#define SDRAM_INSTANCES_NBR 1U
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#define SDRAM_DEVICE_ADDR 0xD0000000U
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#define SDRAM_DEVICE_SIZE 0x01000000U /* IS42S16800F (128Mb) = 2M x16 bit x4 Banks */
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/* MDMA definitions for SDRAM DMA transfer */
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#define SDRAM_MDMAx_CLK_ENABLE __HAL_RCC_MDMA_CLK_ENABLE
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#define SDRAM_MDMAx_CLK_DISABLE __HAL_RCC_MDMA_CLK_DISABLE
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#define SDRAM_MDMAx_CHANNEL MDMA_Channel0
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#define SDRAM_MDMAx_IRQn MDMA_IRQn
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#define SDRAM_MDMA_IRQHandler MDMA_IRQHandler
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/**
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* @brief FMC SDRAM Mode definition register defines
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*/
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#define SDRAM_MODEREG_BURST_LENGTH_1 0x0000U
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#define SDRAM_MODEREG_BURST_LENGTH_2 0x0001U
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#define SDRAM_MODEREG_BURST_LENGTH_4 0x0002U
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#define SDRAM_MODEREG_BURST_LENGTH_8 0x0004U
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#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL 0x0000U
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#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED 0x0008U
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#define SDRAM_MODEREG_CAS_LATENCY_2 0x0020U
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#define SDRAM_MODEREG_CAS_LATENCY_3 0x0030U
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#define SDRAM_MODEREG_OPERATING_MODE_STANDARD 0x0000U
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#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED 0x0000U
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#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE 0x0200U
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/**
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* @}
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*/
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/** @addtogroup STM32H7B3I_DK_SDRAM_Exported_Variables
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* @{
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*/
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extern SDRAM_HandleTypeDef hsdram[];
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/**
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* @}
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*/
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/** @defgroup STM32H7B3I_DK_SDRAM_Exported_FunctionsPrototypes Exported Functions Prototypes
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* @{
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*/
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int32_t BSP_SDRAM_Init(uint32_t Instance);
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int32_t BSP_SDRAM_DeInit(uint32_t Instance);
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#if (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1)
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int32_t BSP_SDRAM_RegisterDefaultMspCallbacks(uint32_t Instance);
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int32_t BSP_SDRAM_RegisterMspCallbacks(uint32_t Instance, BSP_SDRAM_Cb_t *CallBacks);
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#endif /* (USE_HAL_SDRAM_REGISTER_CALLBACKS == 1) */
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int32_t BSP_SDRAM_SendCmd(uint32_t Instance, FMC_SDRAM_CommandTypeDef *SdramCmd);
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/* These functions can be modified in case the current settings need to be
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changed for specific application needs */
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HAL_StatusTypeDef MX_SDRAM_BANK2_Init(SDRAM_HandleTypeDef *hsdram, uint32_t RowBitsNumber, uint32_t MemoryDataWidth);
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void BSP_SDRAM_IRQHandler(uint32_t Instance);
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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/**
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* @}
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* STM32H7B3I_DK_SDRAM_H */
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