STM32469I_EVAL BSP User Manual: STM32469I EVAL Exported Functions

STM32469I EVAL BSP Drivers

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STM32469I_EVAL BSP User Manual
Functions
STM32469I EVAL Exported Functions
STM32469I EVAL SRAM

Functions

uint8_t BSP_SRAM_Init (void)
 Initializes the SRAM device.
uint8_t BSP_SRAM_DeInit (void)
 DeInitializes the SRAM device.
uint8_t BSP_SRAM_ReadData (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the SRAM device in polling mode.
uint8_t BSP_SRAM_ReadData_DMA (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Reads an amount of data from the SRAM device in DMA mode.
uint8_t BSP_SRAM_WriteData (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Writes an amount of data from the SRAM device in polling mode.
uint8_t BSP_SRAM_WriteData_DMA (uint32_t uwStartAddress, uint16_t *pData, uint32_t uwDataSize)
 Writes an amount of data from the SRAM device in DMA mode.
void BSP_SRAM_DMA_IRQHandler (void)
 Handles SRAM DMA transfer interrupt request.
__weak void BSP_SRAM_MspInit (SRAM_HandleTypeDef *hsram, void *Params)
 Initializes SRAM MSP.
__weak void BSP_SRAM_MspDeInit (SRAM_HandleTypeDef *hsram, void *Params)
 DeInitializes SRAM MSP.

Function Documentation

uint8_t BSP_SRAM_DeInit ( void  )

DeInitializes the SRAM device.

Return values:
SRAMstatus : SRAM_OK or SRAM_ERROR.

Definition at line 188 of file stm32469i_eval_sram.c.

References BSP_SRAM_MspDeInit(), SRAM_ERROR, SRAM_OK, and sramHandle.

void BSP_SRAM_DMA_IRQHandler ( void  )

Handles SRAM DMA transfer interrupt request.

Definition at line 285 of file stm32469i_eval_sram.c.

References sramHandle.

uint8_t BSP_SRAM_Init ( void  )

Initializes the SRAM device.

Return values:
SRAMstatus

Definition at line 142 of file stm32469i_eval_sram.c.

References BSP_SRAM_MspInit(), CONTINUOUSCLOCK_FEATURE, SRAM_BURSTACCESS, SRAM_ERROR, SRAM_MEMORY_WIDTH, SRAM_OK, SRAM_WRITEBURST, sramHandle, and Timing.

void BSP_SRAM_MspDeInit ( SRAM_HandleTypeDef *  hsram,
void *  Params 
)

DeInitializes SRAM MSP.

Note:
This function can be surcharged by application code.
Parameters:
hsram: pointer on SRAM handle
Params,:pointer on additional configuration parameters, can be NULL.

Definition at line 381 of file stm32469i_eval_sram.c.

References SRAM_DMAx_IRQn, and SRAM_DMAx_STREAM.

Referenced by BSP_SRAM_DeInit().

void BSP_SRAM_MspInit ( SRAM_HandleTypeDef *  hsram,
void *  Params 
)

Initializes SRAM MSP.

Note:
This function can be surcharged by application code.
Parameters:
hsram: pointer on SRAM handle
Params: pointer on additional configuration parameters, can be NULL.

Definition at line 296 of file stm32469i_eval_sram.c.

References __SRAM_DMAx_CLK_ENABLE, SRAM_DMAx_CHANNEL, SRAM_DMAx_IRQn, and SRAM_DMAx_STREAM.

Referenced by BSP_SRAM_Init().

uint8_t BSP_SRAM_ReadData ( uint32_t  uwStartAddress,
uint16_t *  pData,
uint32_t  uwDataSize 
)

Reads an amount of data from the SRAM device in polling mode.

Parameters:
uwStartAddress,:Read start address
pData,:Pointer to data to be read
uwDataSize,:Size of read data from the memory
Return values:
SRAMstatus : SRAM_OK or SRAM_ERROR.

Definition at line 213 of file stm32469i_eval_sram.c.

References SRAM_ERROR, SRAM_OK, and sramHandle.

uint8_t BSP_SRAM_ReadData_DMA ( uint32_t  uwStartAddress,
uint16_t *  pData,
uint32_t  uwDataSize 
)

Reads an amount of data from the SRAM device in DMA mode.

Parameters:
uwStartAddress,:Read start address
pData,:Pointer to data to be read
uwDataSize,:Size of read data from the memory
Return values:
SRAMstatus : SRAM_OK or SRAM_ERROR.

Definition at line 232 of file stm32469i_eval_sram.c.

References SRAM_ERROR, SRAM_OK, and sramHandle.

uint8_t BSP_SRAM_WriteData ( uint32_t  uwStartAddress,
uint16_t *  pData,
uint32_t  uwDataSize 
)

Writes an amount of data from the SRAM device in polling mode.

Parameters:
uwStartAddress,:Write start address
pData,:Pointer to data to be written
uwDataSize,:Size of written data from the memory
Return values:
SRAMstatus : SRAM_OK or SRAM_ERROR.

Definition at line 251 of file stm32469i_eval_sram.c.

References SRAM_ERROR, SRAM_OK, and sramHandle.

uint8_t BSP_SRAM_WriteData_DMA ( uint32_t  uwStartAddress,
uint16_t *  pData,
uint32_t  uwDataSize 
)

Writes an amount of data from the SRAM device in DMA mode.

Parameters:
uwStartAddress,:Write start address
pData,:Pointer to data to be written
uwDataSize,:Size of written data from the memory
Return values:
SRAMstatus : SRAM_OK or SRAM_ERROR.

Definition at line 270 of file stm32469i_eval_sram.c.

References SRAM_ERROR, SRAM_OK, and sramHandle.

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