Statistics
| Branch: | Tag: | Revision:

amiro-lld / drivers / button / v1 / alld_button.h @ df051abd

History | View | Annotate | Download (3.224 KB)

1
/*
2
AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
3
Copyright (C) 2016..2019  Thomas Schöpping et al.
4

5
This program is free software: you can redistribute it and/or modify
6
it under the terms of the GNU Lesser General Public License as published by
7
the Free Software Foundation, either version 3 of the License, or
8
(at your option) any later version.
9

10
This program is distributed in the hope that it will be useful,
11
but WITHOUT ANY WARRANTY; without even the implied warranty of
12
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13
GNU Lesser General Public License for more details.
14

15
You should have received a copy of the GNU Lesser General Public License
16
along with this program.  If not, see <http://www.gnu.org/licenses/>.
17
*/
18

    
19
/**
20
 * @file    alld_button.h
21
 * @brief   Button macros and structures.
22
 *
23
 * @addtogroup lld_button
24
 * @{
25
 */
26

    
27
#ifndef AMIROLLD_BUTTON_H
28
#define AMIROLLD_BUTTON_H
29

    
30
#include <amiro-lld.h>
31

    
32
/******************************************************************************/
33
/* CONSTANTS                                                                  */
34
/******************************************************************************/
35

    
36
/******************************************************************************/
37
/* SETTINGS                                                                   */
38
/******************************************************************************/
39

    
40
/******************************************************************************/
41
/* CHECKS                                                                     */
42
/******************************************************************************/
43

    
44
/******************************************************************************/
45
/* DATA STRUCTURES AND TYPES                                                  */
46
/******************************************************************************/
47

    
48
/**
49
 * @brief Button driver data structure.
50
 */
51
typedef struct {
52
  const apalControlGpio_t* gpio;  /**< @brief The identifier of the GPIO.  */
53
} ButtonDriver;
54

    
55
/**
56
 * @brief The state of the button.
57
 */
58
typedef enum {
59
  BUTTON_LLD_STATE_RELEASED = 0x00,   /**< 'released' state of the button */
60
  BUTTON_LLD_STATE_PRESSED  = 0x01,   /**< 'pressed' state of the button */
61
} button_lld_state_t;
62

    
63
/******************************************************************************/
64
/* MACROS                                                                     */
65
/******************************************************************************/
66

    
67
/******************************************************************************/
68
/* EXTERN DECLARATIONS                                                        */
69
/******************************************************************************/
70

    
71
#ifdef __cplusplus
72
extern "C" {
73
#endif
74
  apalExitStatus_t button_lld_get(const ButtonDriver* const button, button_lld_state_t* const state);
75
#ifdef __cplusplus
76
}
77
#endif
78

    
79
/******************************************************************************/
80
/* INLINE FUNCTIONS                                                           */
81
/******************************************************************************/
82

    
83
#endif /* AMIROLLD_BUTTON_H */
84

    
85
/** @} */
86