1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012,2013 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file SPC5xx/edma.h
* @brief EDMA helper driver header.
*
* @addtogroup SPC5xx_EDMA
* @{
*/
#ifndef _EDMA_H_
#define _EDMA_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief XXX driver enable switch.
* @details If set to @p TRUE the support for XXX1 is included.
*/
#if !defined(PLATFORM_XXX_USE_XXX1) || defined(__DOXYGEN__)
#define PLATFORM_XXX_USE_XXX1 FALSE
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of an EDMA TCD.
*/
typedef struct {
uint32_t word[8];
} edma_tcd_t;
/**
* @brief DMA ISR function type.
*
* @param[in] tcd pointer to the TCD associated to this ISR
* @param[in] p parameter for the registered function
*/
typedef void (*edma_isr_t)(edma_tcd_t *tcd, void *p);
typedef struct {
stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */
void *dma_param; /**< @brief DMA callback parameter. */
} edma_channel_descriptor;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void edmaInit(void);
edma_tcd_t *edmaAllocChannel(uint32_t periph_id, edma_isr_t isr);
void edmaReleaseChannel(edma_tcd_t *tcd);
#ifdef __cplusplus
}
#endif
#endif /* _EDMA_H_ */
/** @} */
|
