1 /* 2 * Author: Mihai Tudor Panu <mihai.tudor.panu (at) 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 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
