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:

This graph shows which files directly or indirectly include this file:

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)

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Enumeration Type Documentation

◆ stm32_dma_data_alignment

enum stm32_dma_data_alignment

DMA Data alignment.

Enumerator
DATA_ALIGN_BYTE
DATA_ALIGN_HALF_WORD
DATA_ALIGN_WORD

◆ stm32_dma_mode

enum stm32_dma_mode

DMA Data Modes.

Enumerator
DMA_NORMAL_MODE
DMA_CIRCULAR_MODE

◆ stm32_dma_trig_mode

enum stm32_dma_trig_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

◆ stm32_dma_trig_pol

enum stm32_dma_trig_pol

DMA Trigger Polarity.

Enumerator
STM32_DMA_TRIG_MASKED
STM32_DMA_TRIG_RISING
STM32_DMA_TRIG_FALLING

Variable Documentation

◆ stm32_dma_ops

const struct no_os_dma_platform_ops stm32_dma_ops

extern

stm32 platform specific DMA platform ops structure

◆ stm32_gpdma_ops

const struct no_os_dma_platform_ops stm32_gpdma_ops