mraa  1.8.0
Low Level Skeleton Library for Communication on GNU/Linux platforms
led.h
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1 /*
2  * Author: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
3  * Copyright (c) 2017 Linaro Ltd.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining
6  * a copy of this software and associated documentation files (the
7  * "Software"), to deal in the Software without restriction, including
8  * without limitation the rights to use, copy, modify, merge, publish,
9  * distribute, sublicense, and/or sell copies of the Software, and to
10  * permit persons to whom the Software is furnished to do so, subject to
11  * the following conditions:
12  *
13  * The above copyright notice and this permission notice shall be
14  * included in all copies or substantial portions of the Software.
15  *
16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23  */
24 
25 #pragma once
26 
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40 
41 #include "common.h"
42 #include <stdio.h>
43 
47 typedef struct _led* mraa_led_context;
48 
58 mraa_led_context mraa_led_init(const char* led);
59 
67 mraa_result_t mraa_led_set_brightness(mraa_led_context dev, int value);
68 
75 int mraa_led_read_brightness(mraa_led_context dev);
76 
83 int mraa_led_read_max_brightness(mraa_led_context dev);
84 
92 mraa_result_t mraa_led_set_trigger(mraa_led_context dev, const char* trigger);
93 
100 mraa_result_t mraa_led_clear_trigger(mraa_led_context dev);
101 
108 mraa_result_t mraa_led_close(mraa_led_context dev);
109 
110 #ifdef __cplusplus
111 }
112 #endif
mraa_result_t mraa_led_set_brightness(mraa_led_context dev, int value)
struct _led * mraa_led_context
Definition: led.h:47
int mraa_led_read_max_brightness(mraa_led_context dev)
mraa_led_context mraa_led_init(const char *led)
mraa_result_t mraa_led_set_trigger(mraa_led_context dev, const char *trigger)
int mraa_led_read_brightness(mraa_led_context dev)
mraa_result_t
Definition: types.h:208
mraa_result_t mraa_led_clear_trigger(mraa_led_context dev)
mraa_result_t mraa_led_close(mraa_led_context dev)