/* * 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 "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 BME280 instance using default i2c bus and // address. We use the BMP280 driver to do all of our work, since // the BMP280 and the BME280 are identical except for the fact // that the BME280 includes a humidity sensor. bmp280_context sensor = bmp280_init(BME280_DEFAULT_I2C_BUS, BME280_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(BME280_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", bmp280_get_altitude(sensor)); printf("Relative Humidity: %f %%\n\n", bmp280_get_humidity(sensor)); upm_delay(1); } //! [Interesting] printf("Exiting...\n"); bmp280_close(sensor); return 0; }