103 lines
3.5 KiB
C
103 lines
3.5 KiB
C
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file SPC5xx/edma.h
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* @brief EDMA helper driver header.
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*
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* @addtogroup SPC5xx_EDMA
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* @{
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*/
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#ifndef _EDMA_H_
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#define _EDMA_H_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @name Configuration options
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* @{
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*/
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/**
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* @brief XXX driver enable switch.
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* @details If set to @p TRUE the support for XXX1 is included.
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*/
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#if !defined(PLATFORM_XXX_USE_XXX1) || defined(__DOXYGEN__)
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#define PLATFORM_XXX_USE_XXX1 FALSE
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#endif
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/** @} */
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Type of an EDMA TCD.
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*/
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typedef struct {
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uint32_t word[8];
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} edma_tcd_t;
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/**
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* @brief DMA ISR function type.
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*
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* @param[in] tcd pointer to the TCD associated to this ISR
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* @param[in] p parameter for the registered function
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*/
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typedef void (*edma_isr_t)(edma_tcd_t *tcd, void *p);
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typedef struct {
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stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
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void *dma_param; /**< @brief DMA callback parameter. */
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} edma_channel_descriptor;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void edmaInit(void);
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edma_tcd_t *edmaAllocChannel(uint32_t periph_id, edma_isr_t isr);
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void edmaReleaseChannel(edma_tcd_t *tcd);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _EDMA_H_ */
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/** @} */
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