Platform independent function definitions and data types for the DMA API. More...

#include "no_os_dma.h"
#include "stm32_hal.h"

Include dependency graph for stm32_dma.h:

Classes
struct	stm32_dma_trigger
	Trigger descriptor for triggering a DMA transfer. More...

struct	stm32_dma_channel
	STM32 DMA Channels. More...

struct	stm32_dma_init_param

struct	stm32_dma_desc

Enumerations
enum	stm32_dma_data_alignment { DATA_ALIGN_BYTE = 0 , DATA_ALIGN_HALF_WORD = 1 , DATA_ALIGN_WORD = 2 }
	DMA Data alignment. More...

enum	stm32_dma_mode { DMA_NORMAL_MODE = 0 , DMA_CIRCULAR_MODE = 1 }
	DMA Data Modes. More...

enum	stm32_dma_trig_mode { STM32_DMA_BLOCK_XFER_MODE , STM32_DMA_REP_BLOCK_XFER_MODE , STM32_DMA_LLI_LINK_XFER_MODE , STM32_DMA_SINGLE_BURST_MODE }
	DMA Trigger Modes. More...

enum	stm32_dma_trig_pol { STM32_DMA_TRIG_MASKED , STM32_DMA_TRIG_RISING , STM32_DMA_TRIG_FALLING }
	DMA Trigger Polarity. More...

Variables
const struct no_os_dma_platform_ops	stm32_dma_ops
	stm32 platform specific DMA platform ops structure

const struct no_os_dma_platform_ops	stm32_gpdma_ops
	stm32 platform specific General Purpose DMA platform ops structure

Detailed Description

Platform independent function definitions and data types for the DMA API.

Author: Janani Sunil (janan.nosp@m.i.su.nosp@m.nil@a.nosp@m.nalo.nosp@m.g.com)

SPDX-License-Identifier: BSD-3-Clause

Enumeration Type Documentation

DMA Data alignment.

DMA Data Modes.

Enumerator
DMA_NORMAL_MODE
DMA_CIRCULAR_MODE

DMA Trigger Modes.

Enumerator
STM32_DMA_BLOCK_XFER_MODE	A Block Transfer is conditioned by trigger
STM32_DMA_REP_BLOCK_XFER_MODE	A Repeated Block Transfer is conditioned by trigger
STM32_DMA_LLI_LINK_XFER_MODE	A LLI Link Transfer is conditioned by trigger
STM32_DMA_SINGLE_BURST_MODE	A Single/Burst Transfer is conditioned by trigger

DMA Trigger Polarity.

const struct no_os_dma_platform_ops stm32_dma_ops

extern

stm32 platform specific DMA platform ops structure

const struct no_os_dma_platform_ops stm32_gpdma_ops

extern

stm32 platform specific General Purpose DMA platform ops structure