ref: 6de80f736dbaff57b01154597dd4776b031ec347
dir: /demos/stm32f429_disco/stm/stm32f429/stm32f429i_discovery_sdram.h/
/**
******************************************************************************
* @file stm32f429i_discovery_sdram.h
* @author MCD Application Team
* @version V2.0.1
* @date 26-February-2014
* @brief This file contains all the functions prototypes for the
* stm32F429I_DISCOVERY_sdram.c driver.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F429I_DISCOVERY_SDRAM_H
#define __STM32F429I_DISCOVERY_SDRAM_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f429i_discovery.h"
/** @addtogroup BSP
* @{
*/
/** @addtogroup STM32F429I_DISCOVERY
* @{
*/
/** @defgroup STM32F429I_DISCOVERY_SDRAM STM32F429I_DISCOVERY_SDRAM
* @{
*/
/* Exported types ------------------------------------------------------------*/
/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Types STM32F429I_DISCOVERY_SDRAM_Exported_Types
* @{
*/
/**
* @}
*/
/* Exported constants --------------------------------------------------------*/
/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Constants STM32F429I_DISCOVERY_SDRAM_Exported_Constants
* @{
*/
/**
* @brief FMC SDRAM Bank address
*/
#define SDRAM_DEVICE_ADDR ((uint32_t)0xD0000000)
#define SDRAM_DEVICE_SIZE ((uint32_t)0x800000) /* SDRAM device size in MBytes */
/**
* @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 __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)
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Macro STM32F429I_DISCOVERY_SDRAM_Exported_Macro
* @{
*/
/**
* @}
*/
/* Exported functions --------------------------------------------------------*/
/** @defgroup STM32F429I_DISCOVERY_SDRAM_Exported_Functions STM32F429I_DISCOVERY_SDRAM_Exported_Functions
* @{
*/
void BSP_SDRAM_Init(void);
void BSP_SDRAM_Initialization_sequence(uint32_t RefreshCount);
void BSP_SDRAM_ReadData(uint32_t uwStartAddress, uint32_t* pData, uint32_t uwDataSize);
void BSP_SDRAM_ReadData_DMA(uint32_t uwStartAddress, uint32_t* pData, uint32_t uwDataSize);
void BSP_SDRAM_WriteData(uint32_t uwStartAddress, uint32_t* pData, uint32_t uwDataSize);
void BSP_SDRAM_WriteData_DMA(uint32_t uwStartAddress, uint32_t* pData, uint32_t uwDataSize);
HAL_StatusTypeDef BSP_SDRAM_Sendcmd(FMC_SDRAM_CommandTypeDef *SdramCmd);
void BSP_SDRAM_DMA_IRQHandler(void);
#ifdef __cplusplus
}
#endif
#endif /* __STM32F429I_DISCOVERY_SDRAM_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/