ST STM32F2 User Manual

UM1940
HAL DMA Generic Driver
DocID028236 Rev 2
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contains the configuration information for the specified DMA
Stream.
CallbackID: User Callback identifer a
HAL_DMA_CallbackIDTypeDef ENUM as parameter.
Return values
HAL: status
HAL_DMA_GetState
Function name
HAL_DMA_StateTypeDef HAL_DMA_GetState
(DMA_HandleTypeDef * hdma)
Function description
Returns the DMA state.
Parameters
hdma: pointer to a DMA_HandleTypeDef structure that
contains the configuration information for the specified DMA
Stream.
Return values
HAL: state
HAL_DMA_GetError
Function name
uint32_t HAL_DMA_GetError (DMA_HandleTypeDef * hdma)
Function description
Return the DMA error code.
Parameters
hdma: : pointer to a DMA_HandleTypeDef structure that
contains the configuration information for the specified DMA
Stream.
Return values
DMA: Error Code
15.3 DMA Firmware driver defines
15.3.1 DMA
DMA Channel selection
DMA_CHANNEL_0
DMA Channel 0
DMA_CHANNEL_1
DMA Channel 1
DMA_CHANNEL_2
DMA Channel 2
DMA_CHANNEL_3
DMA Channel 3
DMA_CHANNEL_4
DMA Channel 4
DMA_CHANNEL_5
DMA Channel 5
DMA_CHANNEL_6
DMA Channel 6
DMA_CHANNEL_7
DMA Channel 7
DMA Data transfer direction
DMA_PERIPH_TO_MEMORY
Peripheral to memory direction
DMA_MEMORY_TO_PERIPH
Memory to peripheral direction
DMA_MEMORY_TO_MEMORY
Memory to memory direction
DMA Error Code

ST STM32F2 Specifications

General

Brand	ST
Model	STM32F2
Category	Microcontrollers
Language	English