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Input and Output operation functions
[DMA Exported Functions]
Input and Output operation functions. More...
Functions | |
| HAL_StatusTypeDef | HAL_DMA_Start (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) |
| Start the DMA Transfer. | |
| HAL_StatusTypeDef | HAL_DMA_Start_IT (DMA_HandleTypeDef *hdma, uint32_t SrcAddress, uint32_t DstAddress, uint32_t DataLength) |
| Start the DMA Transfer with interrupt enabled. | |
| HAL_StatusTypeDef | HAL_DMA_Abort (DMA_HandleTypeDef *hdma) |
| Abort the DMA Transfer. | |
| HAL_StatusTypeDef | HAL_DMA_Abort_IT (DMA_HandleTypeDef *hdma) |
| Aborts the DMA Transfer in Interrupt mode. | |
| HAL_StatusTypeDef | HAL_DMA_PollForTransfer (DMA_HandleTypeDef *hdma, uint32_t CompleteLevel, uint32_t Timeout) |
| Polling for transfer complete. | |
| void | HAL_DMA_IRQHandler (DMA_HandleTypeDef *hdma) |
| Handle DMA interrupt request. | |
| HAL_StatusTypeDef | HAL_DMA_RegisterCallback (DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID, void(*pCallback)(DMA_HandleTypeDef *_hdma)) |
| Register callbacks. | |
| HAL_StatusTypeDef | HAL_DMA_UnRegisterCallback (DMA_HandleTypeDef *hdma, HAL_DMA_CallbackIDTypeDef CallbackID) |
| UnRegister callbacks. | |
Detailed Description
Input and Output operation functions.
===============================================================================
##### IO operation functions #####
===============================================================================
[..] This section provides functions allowing to:
(+) Configure the source, destination address and data length and Start DMA transfer
(+) Configure the source, destination address and data length and
Start DMA transfer with interrupt
(+) Abort DMA transfer
(+) Poll for transfer complete
(+) Handle DMA interrupt request
Function Documentation
| HAL_StatusTypeDef HAL_DMA_Abort | ( | DMA_HandleTypeDef * | hdma ) |
Abort the DMA Transfer.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
- Return values:
-
HAL status
Definition at line 453 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_Abort_IT | ( | DMA_HandleTypeDef * | hdma ) |
Aborts the DMA Transfer in Interrupt mode.
- Parameters:
-
hdma : pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Stream.
- Return values:
-
HAL status
Definition at line 490 of file stm32l4xx_hal_dma.c.
| void HAL_DMA_IRQHandler | ( | DMA_HandleTypeDef * | hdma ) |
Handle DMA interrupt request.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel.
- Return values:
-
None
Definition at line 636 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_PollForTransfer | ( | DMA_HandleTypeDef * | hdma, |
| uint32_t | CompleteLevel, | ||
| uint32_t | Timeout | ||
| ) |
Polling for transfer complete.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel. CompleteLevel,: Specifies the DMA level complete. Timeout,: Timeout duration.
- Return values:
-
HAL status
Definition at line 535 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_RegisterCallback | ( | DMA_HandleTypeDef * | hdma, |
| HAL_DMA_CallbackIDTypeDef | CallbackID, | ||
| void(*)(DMA_HandleTypeDef *_hdma) | pCallback | ||
| ) |
Register callbacks.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Stream. CallbackID,: User Callback identifer a HAL_DMA_CallbackIDTypeDef ENUM as parameter. pCallback,: pointer to private callbacsk function which has pointer to a DMA_HandleTypeDef structure as parameter.
- Return values:
-
HAL status
Definition at line 726 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_Start | ( | DMA_HandleTypeDef * | hdma, |
| uint32_t | SrcAddress, | ||
| uint32_t | DstAddress, | ||
| uint32_t | DataLength | ||
| ) |
Start the DMA Transfer.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel. SrcAddress,: The source memory Buffer address DstAddress,: The destination memory Buffer address DataLength,: The length of data to be transferred from source to destination
- Return values:
-
HAL status
Definition at line 356 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_Start_IT | ( | DMA_HandleTypeDef * | hdma, |
| uint32_t | SrcAddress, | ||
| uint32_t | DstAddress, | ||
| uint32_t | DataLength | ||
| ) |
Start the DMA Transfer with interrupt enabled.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Channel. SrcAddress,: The source memory Buffer address DstAddress,: The destination memory Buffer address DataLength,: The length of data to be transferred from source to destination
- Return values:
-
HAL status
Definition at line 399 of file stm32l4xx_hal_dma.c.
| HAL_StatusTypeDef HAL_DMA_UnRegisterCallback | ( | DMA_HandleTypeDef * | hdma, |
| HAL_DMA_CallbackIDTypeDef | CallbackID | ||
| ) |
UnRegister callbacks.
- Parameters:
-
hdma,: pointer to a DMA_HandleTypeDef structure that contains the configuration information for the specified DMA Stream. CallbackID,: User Callback identifer a HAL_DMA_CallbackIDTypeDef ENUM as parameter.
- Return values:
-
HAL status
Definition at line 777 of file stm32l4xx_hal_dma.c.
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