upm  1.7.1
Sensor/Actuator repository for libmraa (v2.0.0)
ttp223.h
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1 /*
2  * Author: Sarah Knepper <sarah.knepper@intel.com>
3  * Abhishek Malik <abhishek.malik@intel.com>
4  * Copyright (c) 2015 Intel Corporation.
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining
7  * a copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sublicense, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice shall be
15  * included in all copies or substantial portions of the Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
20  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
21  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24  */
25 
26 #ifndef TTP223_H_
27 #define TTP223_H_
28 
29 #include <stdlib.h>
30 #include <unistd.h>
31 #include <string.h>
32 
33 #include "upm.h"
34 #include "mraa/gpio.h"
35 
47 typedef struct _ttp223_context {
48  mraa_gpio_context gpio;
49  bool isr_installed;
51 
59 
66 
74 upm_result_t ttp223_is_pressed(ttp223_context dev, bool* value);
75 
87 upm_result_t ttp223_install_isr(ttp223_context dev,
88  mraa_gpio_edge_t edge_level,
89  void (*isr)(void *), void *arg);
90 
97 upm_result_t ttp223_uninstall_isr(ttp223_context dev);
98 
99 #endif /* TTP223_H_ */
ttp223_context ttp223_init(int pin)
Definition: ttp223.c:28
struct _ttp223_context * ttp223_context
upm_result_t ttp223_install_isr(ttp223_context dev, mraa_gpio_edge_t edge_level, void(*isr)(void *), void *arg)
Definition: ttp223.h:47
void ttp223_close(ttp223_context dev)
Definition: ttp223.c:52
upm_result_t ttp223_uninstall_isr(ttp223_context dev)
Definition: ttp223.c:79
upm_result_t ttp223_is_pressed(ttp223_context dev, bool *value)
Definition: ttp223.c:57