/* * Author: Jon Trulson * Copyright (c) 2017 Intel Corporation. * * The MIT License * * This program and the accompanying materials are made available under the * terms of the The MIT License which is available at * https://opensource.org/licenses/MIT. * * SPDX-License-Identifier: MIT */ #include #include #include #include "upm_utilities.h" #include "bmp280.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 BMP280 instance using default i2c bus and address bmp280_context sensor = bmp280_init(BMP280_DEFAULT_I2C_BUS, BMP280_DEFAULT_ADDR, -1); if (!sensor) { printf("bmp280_init() failed\n"); return 1; } // For SPI, bus 0, you would pass -1 as the address, and a valid pin for CS: // bmp280_init(BMP280_DEFAULT_SPI_BUS, // -1, 10) while (shouldRun) { // update our values from the sensor if (bmp280_update(sensor)) { printf("bmp280_update() failed\n"); bmp280_close(sensor); return 1; } printf("Compensation Temperature: %f C\n", bmp280_get_temperature(sensor)); printf("Pressure: %f Pa\n", bmp280_get_pressure(sensor)); printf("Computed Altitude: %f m\n\n", bmp280_get_altitude(sensor)); upm_delay(1); } printf("Exiting...\n"); bmp280_close(sensor); //! [Interesting] return 0; }