1 /*
2 * Author: Jon Trulson <jtrulson@ics.com>
3 * Copyright (c) 2015 Intel Corporation.
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 #include <unistd.h>
26 #include <iostream>
27 #include "rgbringcoder.h"
28 #include <signal.h>
29
30 using namespace std;
31
32 int shouldRun = true;
33
sig_handler(int signo)34 void sig_handler(int signo)
35 {
36 if (signo == SIGINT)
37 shouldRun = false;
38 }
39
40
main(int argc,char ** argv)41 int main(int argc, char **argv)
42 {
43 signal(SIGINT, sig_handler);
44
45 //! [Interesting]
46
47 // There are a lot of pins to hook up. These pins are valid for the
48 // Edison board, but may need to be adjusted for other platforms.
49
50 // In order:
51 // enable - 4
52 // latch - 10
53 // clear - 11
54 // clock - 2
55 // data - 9
56 // switch - 7
57
58 // red pwm - 3
59 // green pwm - 5
60 // blue pwm - 6
61
62 // encA - 12
63 // encB - 13
64
65 upm::RGBRingCoder *ringCoder =
66 new upm::RGBRingCoder(4, 10, 11, 2, 9, 7, 12, 13, 3, 5, 6);
67
68 uint16_t spin = 0x0001;
69 bool oldState = false;
70 int oldPos = 0;
71
72 // Lets go green
73 ringCoder->setRGBLED(0.99, 0.01, 0.99);
74
75 while (shouldRun)
76 {
77 // you spin me round...
78 if (spin == 0)
79 spin = 0x0001;
80
81 ringCoder->setRingLEDS(spin);
82 spin <<= 1;
83
84 // check button state
85 bool bstate = ringCoder->getButtonState();
86 if (bstate != oldState)
87 {
88 cout << "Button state changed from " << oldState << " to "
89 << bstate << endl;
90 oldState = bstate;
91 }
92
93 // check encoder position
94 int epos = ringCoder->getEncoderPosition();
95 if (epos != oldPos)
96 {
97 cout << "Encoder position changed from " << oldPos << " to "
98 << epos << endl;
99 oldPos = epos;
100 }
101
102 usleep(100000);
103 }
104
105 //! [Interesting]
106
107 delete ringCoder;
108
109 return 0;
110 }
111