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
|
/************************************************************************************
* arch/arm/src/kl/kl_pwm.h
*
* Copyright (C) 2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
* Alan Carvalho de Assis <acassis@gmail.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 3. Neither the name NuttX 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 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 OWNER 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 __ARCH_ARM_SRC_KL_KINETIS_PWM_H
#define __ARCH_ARM_SRC_KL_KINETIS_PWM_H
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include "chip.h"
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/* Configuration ********************************************************************/
/* Timer devices may be used for different purposes. One special purpose is
* to generate modulated outputs for such things as motor control. If CONFIG_KL_TPMn
* is defined then the CONFIG_KL_TPMn_PWM must also be defined to indicate that
* timer "n" is intended to be used for pulsed output signal generation.
*/
#ifndef CONFIG_KL_TPM0
# undef CONFIG_KL_TPM0_PWM
#endif
#ifndef CONFIG_KL_TPM1
# undef CONFIG_KL_TPM1_PWM
#endif
#ifndef CONFIG_KL_TPM2
# undef CONFIG_KL_TPM2_PWM
#endif
/* Check if PWM support for any channel is enabled. */
#if defined(CONFIG_KL_TPM0_PWM) || defined(CONFIG_KL_TPM1_PWM) || \
defined(CONFIG_KL_TPM2_PWM)
#include <arch/board/board.h>
#include "chip/kl_pinmux.h"
/* For each timer that is enabled for PWM usage, we need the following additional
* configuration settings:
*
* CONFIG_KL_TPMx_CHANNEL - Specifies the timer output channel {1,..,4}
* PWM_TPMx_CHn - One of the values defined in chip/kl*_pinmap.h. In the case
* where there are multiple pin selections, the correct setting must be provided
* in the arch/board/board.h file.
*/
#ifdef CONFIG_KL_TPM0_PWM
# if !defined(CONFIG_KL_TPM0_CHANNEL)
# error "CONFIG_KL_TPM0_CHANNEL must be provided"
# elif CONFIG_KL_TPM0_CHANNEL == 0
# define PWM_TPM0_PINCFG GPIO_TPM0_CH0OUT
# elif CONFIG_KL_TPM0_CHANNEL == 1
# define PWM_TPM0_PINCFG GPIO_TPM0_CH1OUT
# elif CONFIG_KL_TPM0_CHANNEL == 2
# define PWM_TPM0_PINCFG GPIO_TPM1_CH2OUT
# elif CONFIG_KL_TPM0_CHANNEL == 3
# define PWM_TPM0_PINCFG GPIO_TPM1_CH3OUT
# elif CONFIG_KL_TPM0_CHANNEL == 4
# define PWM_TPM0_PINCFG GPIO_TPM1_CH4OUT
# elif CONFIG_KL_TPM0_CHANNEL == 5
# define PWM_TPM0_PINCFG GPIO_TPM1_CH5OUT
# else
# error "Unsupported value of CONFIG_KL_TPM1_CHANNEL"
# endif
#endif
#ifdef CONFIG_KL_TPM1_PWM
# if !defined(CONFIG_KL_TPM1_CHANNEL)
# error "CONFIG_KL_TPM1_CHANNEL must be provided"
# elif CONFIG_KL_TPM1_CHANNEL == 0
# define PWM_TPM1_PINCFG GPIO_TPM1_CH0OUT
# elif CONFIG_KL_TPM1_CHANNEL == 1
# define PWM_TPM1_PINCFG GPIO_TPM1_CH1OUT
# elif CONFIG_KL_TPM1_CHANNEL == 2
# define PWM_TPM1_PINCFG GPIO_TPM1_CH2OUT
# elif CONFIG_KL_TPM1_CHANNEL == 3
# define PWM_TPM1_PINCFG GPIO_TPM1_CH3OUT
# elif CONFIG_KL_TPM1_CHANNEL == 4
# define PWM_TPM1_PINCFG GPIO_TPM1_CH4OUT
# elif CONFIG_KL_TPM1_CHANNEL == 5
# define PWM_TPM1_PINCFG GPIO_TPM1_CH5OUT
# else
# error "Unsupported value of CONFIG_KL_TPM2_CHANNEL"
# endif
#endif
#ifdef CONFIG_KL_TPM2_PWM
# if !defined(CONFIG_KL_TPM2_CHANNEL)
# error "CONFIG_KL_TPM2_CHANNEL must be provided"
# elif CONFIG_KL_TPM2_CHANNEL == 0
# define PWM_TPM2_PINCFG GPIO_TPM2_CH0OUT
# elif CONFIG_KL_TPM2_CHANNEL == 1
# define PWM_TPM2_PINCFG GPIO_TPM2_CH1OUT
# elif CONFIG_KL_TPM2_CHANNEL == 2
# define PWM_TPM2_PINCFG GPIO_TPM2_CH2OUT
# elif CONFIG_KL_TPM2_CHANNEL == 3
# define PWM_TPM2_PINCFG GPIO_TPM2_CH3OUT
# elif CONFIG_KL_TPM2_CHANNEL == 4
# define PWM_TPM2_PINCFG GPIO_TPM2_CH4OUT
# elif CONFIG_KL_TPM2_CHANNEL == 5
# define PWM_TPM2_PINCFG GPIO_TPM2_CH5OUT
# else
# error "Unsupported value of CONFIG_KL_TPM3_CHANNEL"
# endif
#endif
/************************************************************************************
* Public Types
************************************************************************************/
/************************************************************************************
* Public Data
************************************************************************************/
#ifndef __ASSEMBLY__
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: kl_pwminitialize
*
* Description:
* Initialize one timer for use with the upper_level PWM driver.
*
* Input Parameters:
* timer - A number identifying the timer use.
*
* Returned Value:
* On success, a pointer to the KL lower half PWM driver is returned.
* NULL is returned on any failure.
*
************************************************************************************/
FAR struct pwm_lowerhalf_s *kl_pwminitialize(int timer);
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_KL_TPMx_PWM */
#endif /* __ARCH_ARM_SRC_KL_KINETIS_PWM_H */
|
