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"

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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

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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

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Definition in file stm32l4r9i_discovery_psram.h.