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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
|
/*
* The Clear BSD License
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* Copyright 2016-2017 NXP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted (subject to the limitations in the disclaimer below) provided
* that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o 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.
*
* o Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE.
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
*/
#ifndef _FSL_DMAMUX_H_
#define _FSL_DMAMUX_H_
#include "fsl_common.h"
/*!
* @addtogroup dmamux
* @{
*/
/*******************************************************************************
* Definitions
******************************************************************************/
/*! @name Driver version */
/*@{*/
/*! @brief DMAMUX driver version 2.0.2. */
#define FSL_DMAMUX_DRIVER_VERSION (MAKE_VERSION(2, 0, 2))
/*@}*/
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
/*!
* @name DMAMUX Initialization and de-initialization
* @{
*/
/*!
* @brief Initializes the DMAMUX peripheral.
*
* This function ungates the DMAMUX clock.
*
* @param base DMAMUX peripheral base address.
*
*/
void DMAMUX_Init(DMAMUX_Type *base);
/*!
* @brief Deinitializes the DMAMUX peripheral.
*
* This function gates the DMAMUX clock.
*
* @param base DMAMUX peripheral base address.
*/
void DMAMUX_Deinit(DMAMUX_Type *base);
/* @} */
/*!
* @name DMAMUX Channel Operation
* @{
*/
/*!
* @brief Enables the DMAMUX channel.
*
* This function enables the DMAMUX channel.
*
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
*/
static inline void DMAMUX_EnableChannel(DMAMUX_Type *base, uint32_t channel)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
base->CHCFG[channel] |= DMAMUX_CHCFG_ENBL_MASK;
}
/*!
* @brief Disables the DMAMUX channel.
*
* This function disables the DMAMUX channel.
*
* @note The user must disable the DMAMUX channel before configuring it.
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
*/
static inline void DMAMUX_DisableChannel(DMAMUX_Type *base, uint32_t channel)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
base->CHCFG[channel] &= ~DMAMUX_CHCFG_ENBL_MASK;
}
/*!
* @brief Configures the DMAMUX channel source.
*
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
* @param source Channel source, which is used to trigger the DMA transfer.
*/
static inline void DMAMUX_SetSource(DMAMUX_Type *base, uint32_t channel, uint32_t source)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
base->CHCFG[channel] = ((base->CHCFG[channel] & ~DMAMUX_CHCFG_SOURCE_MASK) | DMAMUX_CHCFG_SOURCE(source));
}
#if defined(FSL_FEATURE_DMAMUX_HAS_TRIG) && FSL_FEATURE_DMAMUX_HAS_TRIG > 0U
/*!
* @brief Enables the DMAMUX period trigger.
*
* This function enables the DMAMUX period trigger feature.
*
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
*/
static inline void DMAMUX_EnablePeriodTrigger(DMAMUX_Type *base, uint32_t channel)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
base->CHCFG[channel] |= DMAMUX_CHCFG_TRIG_MASK;
}
/*!
* @brief Disables the DMAMUX period trigger.
*
* This function disables the DMAMUX period trigger.
*
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
*/
static inline void DMAMUX_DisablePeriodTrigger(DMAMUX_Type *base, uint32_t channel)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
base->CHCFG[channel] &= ~DMAMUX_CHCFG_TRIG_MASK;
}
#endif /* FSL_FEATURE_DMAMUX_HAS_TRIG */
#if (defined(FSL_FEATURE_DMAMUX_HAS_A_ON) && FSL_FEATURE_DMAMUX_HAS_A_ON)
/*!
* @brief Enables the DMA channel to be always ON.
*
* This function enables the DMAMUX channel always ON feature.
*
* @param base DMAMUX peripheral base address.
* @param channel DMAMUX channel number.
* @param enable Switcher of the always ON feature. "true" means enabled, "false" means disabled.
*/
static inline void DMAMUX_EnableAlwaysOn(DMAMUX_Type *base, uint32_t channel, bool enable)
{
assert(channel < FSL_FEATURE_DMAMUX_MODULE_CHANNEL);
if (enable)
{
base->CHCFG[channel] |= DMAMUX_CHCFG_A_ON_MASK;
}
else
{
base->CHCFG[channel] &= ~DMAMUX_CHCFG_A_ON_MASK;
}
}
#endif /* FSL_FEATURE_DMAMUX_HAS_A_ON */
/* @} */
#if defined(__cplusplus)
}
#endif /* __cplusplus */
/* @} */
#endif /* _FSL_DMAMUX_H_ */
|
