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stm32f429i_discovery_sdram.h
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stm32f429i_discovery_sdram.h
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/**
******************************************************************************
* @file stm32f429i_discovery_sdram.h
* @author MCD Application Team
* @version V1.0.1
* @date 28-October-2013
* @brief This file contains all the functions prototypes for the
* stm324x9i_disco_sdram.c driver.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32429I_DISCO_SDRAM_H
#define __STM32429I_DISCO_SDRAM_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup Utilities
* @{
*/
/** @addtogroup STM32F4_EVAL
* @{
*/
/** @addtogroup STM32F429I_DISCOVERY
* @{
*/
/** @addtogroup STM32F429I_DISCOVERY_SDRAM
* @{
*/
/** @defgroup STM32429I_DISCO_SDRAM_Private_Defines
* @{
*/
/**
* @brief FMC SDRAM Bank address
*/
#define SDRAM_BANK_ADDR ((uint32_t)0xD0000000)
/**
* @brief FMC SDRAM Memory Width
*/
/* #define SDRAM_MEMORY_WIDTH FMC_SDMemory_Width_8b */
#define SDRAM_MEMORY_WIDTH FMC_SDMemory_Width_16b
/**
* @brief FMC SDRAM CAS Latency
*/
/* #define SDRAM_CAS_LATENCY FMC_CAS_Latency_2 */
#define SDRAM_CAS_LATENCY FMC_CAS_Latency_3
/**
* @brief FMC SDRAM Memory clock period
*/
#define SDCLOCK_PERIOD FMC_SDClock_Period_2 /* Default configuration used with LCD */
/* #define SDCLOCK_PERIOD FMC_SDClock_Period_3 */
/**
* @brief FMC SDRAM Memory Read Burst feature
*/
#define SDRAM_READBURST FMC_Read_Burst_Disable /* Default configuration used with LCD */
/* #define SDRAM_READBURST FMC_Read_Burst_Enable */
/**
* @brief FMC SDRAM Bank Remap
*/
/* #define SDRAM_BANK_REMAP */
/**
* @brief Uncomment the line below if you want to use user defined Delay function
* (for precise timing), otherwise default _delay_ function defined within
* this driver is used (less precise timing).
*/
/* #define USE_Delay */
#ifdef USE_Delay
#define __Delay Delay /* User can provide more timing precise __Delay function
(with 10ms time base), using SysTick for example */
#else
#define __Delay delay /* Default __Delay function with less precise timing */
#endif
/**
* @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 STM32429I_DISCO_SDRAM_Exported_Functions
* @{
*/
void SDRAM_Init(void);
void SDRAM_GPIOConfig(void);
void SDRAM_InitSequence(void);
void SDRAM_WriteBuffer(uint32_t* pBuffer, uint32_t uwWriteAddress, uint32_t uwBufferSize);
void SDRAM_ReadBuffer(uint32_t* pBuffer, uint32_t uwReadAddress, uint32_t uwBufferSize);
#ifdef __cplusplus
}
#endif
#endif /* __STM32429I_DISCO_SDRAM_H */
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/