STM32769I_EVAL BSP User Manual: stm32f769i_eval_sdram.h File Reference

STM32769I_EVAL BSP

stm32f769i_eval_sdram.h File Reference

This file contains the common defines and functions prototypes for the stm32f769i_eval_sdram.c driver. More...

#include "stm32f7xx_hal.h"

Go to the source code of this file.

Defines

#define SDRAM_OK   ((uint8_t)0x00)
 SDRAM status structure definition.
#define SDRAM_ERROR   ((uint8_t)0x01)
#define SDRAM_DEVICE_ADDR   ((uint32_t)0xC0000000)
#define SDRAM_DEVICE_SIZE   ((uint32_t)0x2000000) /* SDRAM device size in MBytes */
#define SDRAM_MEMORY_WIDTH   FMC_SDRAM_MEM_BUS_WIDTH_32
#define SDCLOCK_PERIOD   FMC_SDRAM_CLOCK_PERIOD_2
#define REFRESH_COUNT   ((uint32_t)0x0603) /* SDRAM refresh counter (100Mhz SD clock) */
#define SDRAM_TIMEOUT   ((uint32_t)0xFFFF)
#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
#define SDRAM_MODEREG_BURST_LENGTH_1   ((uint16_t)0x0000)
 FMC SDRAM Mode definition register defines.
#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)

Functions

uint8_t BSP_SDRAM_Init (void)
 Initializes the SDRAM device.
uint8_t BSP_SDRAM_DeInit (void)
 DeInitializes the SDRAM device.
void BSP_SDRAM_Initialization_sequence (uint32_t RefreshCount)
 Programs the SDRAM device.
uint8_t BSP_SDRAM_ReadData (uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the SDRAM memory in polling mode.
uint8_t BSP_SDRAM_ReadData_DMA (uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the SDRAM memory in DMA mode.
uint8_t BSP_SDRAM_WriteData (uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
 Writes an amount of data to the SDRAM memory in polling mode.
uint8_t BSP_SDRAM_WriteData_DMA (uint32_t uwStartAddress, uint32_t *pData, uint32_t uwDataSize)
 Writes an amount of data to the SDRAM memory in DMA mode.
uint8_t BSP_SDRAM_Sendcmd (FMC_SDRAM_CommandTypeDef *SdramCmd)
 Sends command to the SDRAM bank.
void BSP_SDRAM_MspInit (SDRAM_HandleTypeDef *hsdram, void *Params)
 Initializes SDRAM MSP.
void BSP_SDRAM_MspDeInit (SDRAM_HandleTypeDef *hsdram, void *Params)
 DeInitializes SDRAM MSP.

Detailed Description

This file contains the common defines and functions prototypes for the stm32f769i_eval_sdram.c driver.

Author:
MCD Application Team
Version:
V2.0.1
Date:
06-April-2017
Attention:

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Definition in file stm32f769i_eval_sdram.h.

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