__HAL_DMA_CLEAR_FLAG macro

Clear the DMA Stream pending flags.

Syntax

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Declaration

from stm32f4xx_hal_dma.h:559

#define __HAL_DMA_CLEAR_FLAG(__HANDLE__, __FLAG__) \ (((uint32_t)((__HANDLE__)->Instance) > (uint32_t)DMA2_Stream3)? (DMA2->HIFCR = (__FLAG__)) :\ ((uint32_t)((__HANDLE__)->Instance) > (uint32_t)DMA1_Stream7)? (DMA2->LIFCR = (__FLAG__)) :\ ((uint32_t)((__HANDLE__)->Instance) > (uint32_t)DMA1_Stream3)? (DMA1->HIFCR = (__FLAG__)) : (DMA1->LIFCR = (__FLAG__)))

Arguments

Argument

Description

__HANDLE__

DMA handle

__FLAG__

specifies the flag to clear. This parameter can be any combination of the following values: @arg DMA_FLAG_TCIFx: Transfer complete flag. @arg DMA_FLAG_HTIFx: Half transfer complete flag. @arg DMA_FLAG_TEIFx: Transfer error flag. @arg DMA_FLAG_DMEIFx: Direct mode error flag. @arg DMA_FLAG_FEIFx: FIFO error flag. Where x can be 0_4, 1_5, 2_6 or 3_7 to select the DMA Stream flag.

__HAL_DMA_CLEAR_FLAG macro

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