/* * Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com> * Copyright (c) 2014 Intel Corporation. * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include <unistd.h> #include <iostream> #include <iomanip> #include "grove.h" using namespace std; int main () { //! [Interesting] // Instantiate a rotary sensor on analog pin A0 upm::GroveRotary* knob = new upm::GroveRotary(0); // Print sensor name to confirm it initialized properly cout << knob->name() << endl; while(true) { float abs_value = knob->abs_value(); // Absolute raw value float abs_deg = knob->abs_deg(); // Absolute degrees float abs_rad = knob->abs_rad(); // Absolute radians float rel_value = knob->rel_value(); // Relative raw value float rel_deg = knob->rel_deg(); // Relative degrees float rel_rad = knob->rel_rad(); // Relative radians fprintf(stdout, "Absolute: %4d raw %5.2f deg = %3.2f rad Relative: %4d raw %5.2f deg %3.2f rad\n", (int16_t)abs_value, abs_deg, abs_rad, (int16_t)rel_value, rel_deg, rel_rad); usleep(2500000); // Sleep for 2.5s } //! [Interesting] delete knob; return 0; }