1 /*
2 * Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
3 * Copyright (c) 2014 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 <iomanip>
28 #include "grove.h"
29
30 using namespace std;
31
main()32 int main ()
33 {
34 //! [Interesting]
35 // Instantiate a rotary sensor on analog pin A0
36 upm::GroveRotary* knob = new upm::GroveRotary(0);
37
38 // Print sensor name to confirm it initialized properly
39 cout << knob->name() << endl;
40
41 while(true) {
42 float abs_value = knob->abs_value(); // Absolute raw value
43 float abs_deg = knob->abs_deg(); // Absolute degrees
44 float abs_rad = knob->abs_rad(); // Absolute radians
45 float rel_value = knob->rel_value(); // Relative raw value
46 float rel_deg = knob->rel_deg(); // Relative degrees
47 float rel_rad = knob->rel_rad(); // Relative radians
48
49 fprintf(stdout, "Absolute: %4d raw %5.2f deg = %3.2f rad Relative: %4d raw %5.2f deg %3.2f rad\n",
50 (int16_t)abs_value, abs_deg, abs_rad, (int16_t)rel_value, rel_deg, rel_rad);
51
52 usleep(2500000); // Sleep for 2.5s
53 }
54 //! [Interesting]
55 delete knob;
56 return 0;
57 }
58