/**
 ******************************************************************************
 * @file    stm32f429i_discovery_sdram.h
 * @author  MCD Application Team
 * @brief   This file contains all the functions prototypes for the
 *          stm32f429i_discovery_sdram.c driver.
 ******************************************************************************
 * @attention
 *
 * Copyright (c) 2017 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 __STM32F429I_DISCOVERY_SDRAM_H
#define __STM32F429I_DISCOVERY_SDRAM_H

#ifdef __cplusplus
extern "C" {
#endif

#include STM32_HAL_H

/** @addtogroup BSP
 * @{
 */

/** @addtogroup STM32F429I_DISCOVERY
 * @{
 */

/** @addtogroup STM32F429I_DISCOVERY_SDRAM
 * @{
 */

/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Types STM32F429I DISCOVERY
 * SDRAM Exported Types
 * @{
 */
/**
 * @}
 */

/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Constants STM32F429I DISCOVERY
 * SDRAM Exported Constants
 * @{
 */

/**
 * @brief  SDRAM status structure definition
 */
#define SDRAM_OK ((uint8_t)0x00)
#define SDRAM_ERROR ((uint8_t)0x01)

/**
 * @brief  FMC SDRAM Bank address
 */
#define SDRAM_DEVICE_ADDR ((uint32_t)0xD0000000)
#define SDRAM_DEVICE_SIZE                            \
  ((uint32_t)0x800000) /* SDRAM device size in Bytes \
                        */

/**
 * @brief  FMC SDRAM Memory Width
 */
/* #define SDRAM_MEMORY_WIDTH   FMC_SDRAM_MEM_BUS_WIDTH_8 */
#define SDRAM_MEMORY_WIDTH FMC_SDRAM_MEM_BUS_WIDTH_16

/**
 * @brief  FMC SDRAM CAS Latency
 */
/* #define SDRAM_CAS_LATENCY    FMC_SDRAM_CAS_LATENCY_2 */
#define SDRAM_CAS_LATENCY FMC_SDRAM_CAS_LATENCY_3

/**
 * @brief  FMC SDRAM Memory clock period
 */
#define SDCLOCK_PERIOD \
  FMC_SDRAM_CLOCK_PERIOD_2 /* Default configuration used with LCD */
/* #define SDCLOCK_PERIOD       FMC_SDRAM_CLOCK_PERIOD_3 */

/**
 * @brief  FMC SDRAM Memory Read Burst feature
 */
#define SDRAM_READBURST \
  FMC_SDRAM_RBURST_DISABLE /* Default configuration used with LCD */
/* #define SDRAM_READBURST      FMC_SDRAM_RBURST_ENABLE */

/**
 * @brief  FMC SDRAM Bank Remap
 */
/* #define SDRAM_BANK_REMAP */

/* Set the refresh rate counter */
/* (15.62 us x Freq) - 20 */
#define REFRESH_COUNT ((uint32_t)1386) /* SDRAM refresh counter */
#define SDRAM_TIMEOUT ((uint32_t)0xFFFF)

/* DMA definitions for SDRAM DMA transfer */
#define __DMAx_CLK_ENABLE __HAL_RCC_DMA2_CLK_ENABLE
#define SDRAM_DMAx_CHANNEL DMA_CHANNEL_0
#define SDRAM_DMAx_STREAM DMA2_Stream0
#define SDRAM_DMAx_IRQn DMA2_Stream0_IRQn
#define SDRAM_DMAx_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 STM32F429I_DISCOVERY_SDRAM_Exported_Macro STM32F429I DISCOVERY
 * SDRAM Exported Macro
 * @{
 */
/**
 * @}
 */

/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Functions STM32F429I DISCOVERY
 * SDRAM Exported Functions
 * @{
 */
uint8_t BSP_SDRAM_Init(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);
void BSP_SDRAM_DMA_IRQHandler(void);

void sdram_init(void);

/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */

/**
 * @}
 */

#ifdef __cplusplus
}
#endif

#endif /* __STM32F429I_DISCOVERY_SDRAM_H */