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 26 #include <unistd.h> 27 #include <iostream> 28 #include <iomanip> 29 #include "grove.h" 30 31 using namespace std; 32 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
