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stm32f7508_discovery_sdram.h
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/**
******************************************************************************
* @file stm32f7508_discovery_sdram.h
* @author MCD Application Team
* @brief This file contains the common defines and functions prototypes for
* the stm32f7508_discovery_sdram.c driver.
******************************************************************************
* @attention
*
* Copyright (c) 2018 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 __STM32F7508_DISCOVERY_SDRAM_H
#define __STM32F7508_DISCOVERY_SDRAM_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f7xx_hal.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32F7508_DISCOVERY
* @{
*/
/** @addtogroup STM32F7508_DISCOVERY_SDRAM
* @{
*/
/** @defgroup STM32F7508_DISCOVERY_SDRAM_Exported_Types STM32F7508_DISCOVERY_SDRAM Exported Types
* @{
*/
/**
* @brief SDRAM status structure definition
*/
#define SDRAM_OK ((uint8_t)0x00)
#define SDRAM_ERROR ((uint8_t)0x01)
/** @defgroup STM32F7508_DISCOVERY_SDRAM_Exported_Constants STM32F7508_DISCOVERY_SDRAM Exported Constants
* @{
*/
#define SDRAM_DEVICE_ADDR ((uint32_t)0xC0000000)
#define SDRAM_DEVICE_SIZE ((uint32_t)0x800000) /* SDRAM device size in MBytes */
/* #define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_8 */
#define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_16
#define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_2
/* #define SDCLOCK_PERIOD FMC_SDRAM_CLOCK_PERIOD_3 */
#define REFRESH_COUNT ((uint32_t)0x0603) /* SDRAM refresh counter (100Mhz SD clock) */
#define SDRAM_TIMEOUT ((uint32_t)0xFFFF)
/* DMA definitions for SDRAM DMA transfer */
#define __DMAx_CLK_ENABLE __HAL_RCC_DMA2_CLK_ENABLE
#define __DMAx_CLK_DISABLE __HAL_RCC_DMA2_CLK_DISABLE
#define SDRAM_DMAx_CHANNEL DMA_CHANNEL_0
#define SDRAM_DMAx_STREAM DMA2_Stream0
#define SDRAM_DMAx_IRQn DMA2_Stream0_IRQn
#define BSP_SDRAM_DMA_IRQHandler DMA2_Stream0_IRQHandler
/**
* @}
*/
/**
* @brief FMC SDRAM Mode definition register defines
*/
#define SDRAM_MODEREG_BURST_LENGTH_1 ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_LENGTH_2 ((uint16_t)0x0001)
#define SDRAM_MODEREG_BURST_LENGTH_4 ((uint16_t)0x0002)
#define SDRAM_MODEREG_BURST_LENGTH_8 ((uint16_t)0x0004)
#define SDRAM_MODEREG_BURST_TYPE_SEQUENTIAL ((uint16_t)0x0000)
#define SDRAM_MODEREG_BURST_TYPE_INTERLEAVED ((uint16_t)0x0008)
#define SDRAM_MODEREG_CAS_LATENCY_2 ((uint16_t)0x0020)
#define SDRAM_MODEREG_CAS_LATENCY_3 ((uint16_t)0x0030)
#define SDRAM_MODEREG_OPERATING_MODE_STANDARD ((uint16_t)0x0000)
#define SDRAM_MODEREG_WRITEBURST_MODE_PROGRAMMED ((uint16_t)0x0000)
#define SDRAM_MODEREG_WRITEBURST_MODE_SINGLE ((uint16_t)0x0200)
/**
* @}
*/
/** @defgroup STM32F7508_DISCOVERY_SDRAM_Exported_Macro STM32F7508_DISCOVERY_SDRAM Exported Macro
* @{
*/
/**
* @}
*/
/** @addtogroup STM32F7508_DISCOVERY_SDRAM_Exported_Functions
* @{
*/
uint8_t BSP_SDRAM_Init(void);
uint8_t BSP_SDRAM_DeInit(void);
void BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount);
uint8_t BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
uint8_t BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
uint8_t BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
uint8_t BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize);
uint8_t BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd);
/* These functions can be modified in case the current settings (e.g. DMA stream)
need to be changed for specific application needs */
void BSP_SDRAM_MspInit(SDRAM_HandleTypeDef *hsdram, void *Params);
void BSP_SDRAM_MspDeInit(SDRAM_HandleTypeDef *hsdram, void *Params);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __STM32F7508_DISCOVERY_SDRAM_H */