/* * Author: Jon Trulson * Copyright (c) 2017 Intel Corporation. * * The MIT License * * 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 #include "upm_utilities.h" #include "bmpx8x.h" bool shouldRun = true; void sig_handler(int signo) { if (signo == SIGINT) shouldRun = false; } int main(int argc, char **argv) { signal(SIGINT, sig_handler); //! [Interesting] // Instantiate a BMPX8X instance using default i2c bus and address bmpx8x_context sensor = bmpx8x_init(BMPX8X_DEFAULT_I2C_BUS, BMPX8X_DEFAULT_I2C_ADDR); if (!sensor) { printf("bmpx8x_init() failed.\n"); return 1; } // Print the pressure, altitude, sea level, and // temperature values every 0.5 seconds while (shouldRun) { if (bmpx8x_update(sensor)) { printf("bmpx8x_update() failed\n"); bmpx8x_close(sensor); return 1; } // assume sea level pressure is 101325 Pa. float altitude = bmpx8x_get_altitude(sensor, 101325); int sealevel = bmpx8x_get_sealevel_pressure(sensor, altitude); printf("Pressure: %d Pa, Temperature: %f C, " "Altitude %f m, Sea level %d Pa\n", bmpx8x_get_pressure(sensor), bmpx8x_get_temperature(sensor), altitude, sealevel); upm_delay_ms(500); } printf("Exiting...\n"); bmpx8x_close(sensor); //! [Interesting] return 0; }