/* * Author: Noel Eck * Copyright (c) 2016 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 #include #include "vdiv.h" #include "upm_utilities.h" bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main() { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a sensor on analog pin A0 vdiv_context sensor = vdiv_init(0, 5); if (!sensor) { printf("vdiv_init() failed.\n"); return(1); } // Every half a second, sample the sensor output while (shouldRun) { float raw_volts = 0.0, computed_volts = 0.0; vdiv_get_raw_volts(sensor, &raw_volts); vdiv_get_computed_volts(sensor, &computed_volts); printf("Divide SW: %d ADC voltage: %0.03f Sensor voltage: %0.03f\n", vdiv_get_divsw(sensor), raw_volts, computed_volts); upm_delay_ms(500); } //! [Interesting] printf("Exiting\n"); vdiv_close(sensor); return 0; }