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 
26 #include <unistd.h>
27 #include <iostream>
28 #include <iomanip>
29 #include "grove.h"
30 
31 using namespace std;
32 
main()33 int main ()
34 {
35 //! [Interesting]
36     upm::GroveSlide* slide = new upm::GroveSlide(0);    // Instantiate new grove slide potentiometer on analog pin A0
37 
38     cout << slide->name() << endl;
39 
40     while(true) {
41         float adc_value = slide->raw_value();       // Read raw value
42         float volts = slide->voltage_value();    // Read voltage, board reference set at 5.0V
43         fprintf(stdout, "%4d = %.2f V\n", (uint16_t)adc_value, volts);
44 
45         usleep(2500000);    // Sleep for 2.5s
46     }
47 //! [Interesting]
48     delete slide;
49     return 0;
50 }
51