STM32L4R9I-Discovery BSP User Manual: stm32l4r9i_discovery_psram.h File Reference

STM32L4R9I-Discovery BSP

stm32l4r9i_discovery_psram.h File Reference

This file contains the common defines and functions prototypes for the stm32l4r9i_discovery_psram.c driver. More...

#include "stm32l4xx_hal.h"

Go to the source code of this file.

Defines

#define PSRAM_OK   ((uint8_t)0x00)
 PSRAM status structure definition.
#define PSRAM_ERROR   ((uint8_t)0x01)
#define PSRAM_DEVICE_ADDR   ((uint32_t)0x60000000)
#define PSRAM_DEVICE_SIZE   ((uint32_t)0x400000) /* PSRAM device size in Bytes */
#define PSRAM_MEMORY_WIDTH   FMC_NORSRAM_MEM_BUS_WIDTH_16
#define PSRAM_BURSTACCESS   FMC_BURST_ACCESS_MODE_DISABLE
#define PSRAM_WRITEBURST   FMC_WRITE_BURST_DISABLE
#define CONTINUOUSCLOCK_FEATURE   FMC_CONTINUOUS_CLOCK_SYNC_ONLY
#define __PSRAM_DMAx_CLK_ENABLE   __HAL_RCC_DMA2_CLK_ENABLE
#define __PSRAM_DMAx_CLK_DISABLE   __HAL_RCC_DMA2_CLK_DISABLE
#define PSRAM_DMAx_INSTANCE   DMA2_Channel3
#define PSRAM_DMAx_IRQn   DMA2_Channel3_IRQn
#define BSP_PSRAM_DMA_IRQHandler   DMA2_Channel3_IRQHandler

Functions

uint8_t BSP_PSRAM_Init (void)
 Initializes the PSRAM device.
uint8_t BSP_PSRAM_DeInit (void)
 DeInitializes the PSRAM device.
uint8_t BSP_PSRAM_ReadData (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the PSRAM device in polling mode.
uint8_t BSP_PSRAM_ReadData_DMA (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the PSRAM device in DMA mode.
uint8_t BSP_PSRAM_WriteData (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Writes an amount of data from the PSRAM device in polling mode.
uint8_t BSP_PSRAM_WriteData_DMA (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Writes an amount of data from the PSRAM device in DMA mode.
void BSP_PSRAM_MspInit (SRAM_HandleTypeDef *hsram, void *Params)
 Initializes PSRAM MSP.
void BSP_PSRAM_MspDeInit (SRAM_HandleTypeDef *hsram, void *Params)
 DeInitializes SRAM MSP.

Variables

SRAM_HandleTypeDef psramHandle

Detailed Description

This file contains the common defines and functions prototypes for the stm32l4r9i_discovery_psram.c driver.

Author:
MCD Application Team
Attention:

© COPYRIGHT(c) 2016 STMicroelectronics

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.

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Definition in file stm32l4r9i_discovery_psram.h.

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