/* * Author: Jon Trulson * 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 "mma7361.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 MMA7361 sensor on analog pins A0 (X), A1 (Y) A2 // (Z), selftest pin on D2, sleep pin on D3 nd an analog reference // value of 5.0. The freefall pin and the range pin are unused // (-1). mma7361_context sensor = mma7361_init(0, 1, 2, 2, 3, -1, -1, 5.0); if (!sensor) { printf("mma7361_init() failed.\n"); return(1); } // 1.5g (true = 6g) mma7361_set_range(sensor, false); // Every 10th of a second, update and print values while (shouldRun) { mma7361_update(sensor); float x, y, z; mma7361_get_acceleration(sensor, &x, &y, &z); printf("Acceleration x = %f y = %f z = %f\n", x, y, z); mma7361_get_volts(sensor, &x, &y, &z); printf("Volts x = %f y = %f z = %f\n\n", x, y, z); upm_delay_ms(500); } //! [Interesting] printf("Exiting...\n"); mma7361_close(sensor); return 0; }