-
Notifications
You must be signed in to change notification settings - Fork 0
/
led.cc
40 lines (32 loc) · 1.16 KB
/
led.cc
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
/* Copyright (C) 2015 Goswin von Brederlow <[email protected]>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Activity LED on the Raspberry Pi
*/
#include "led.h"
#include "gpio.h"
namespace LED {
// configure GPIO pins for the LED
void init(void) {
// Disable pull up/down for pin 47
GPIO::set_pull_up_down(47, GPIO::OFF);
// configure GPIO pin 47 for output
GPIO::set_function(47, GPIO::OUTPUT);
}
// turn LED on or off
void set(bool state) {
// set or clear pin 47
GPIO::set(47, state);
}
}