/* * 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 "bmm150.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] #if defined(CONFIG_BOARD_ARDUINO_101_SSS) // ARDUINO_101_SSS (ARC core) must use I2C // Instantiate a BMM150 instance using default i2c bus and address bmm150_context sensor = bmm150_init(BMM150_DEFAULT_I2C_BUS, BMM150_DEFAULT_ADDR, -1); #elif defined(CONFIG_BOARD_ARDUINO_101) // ARDUINO_101 (Quark core) where you must use SPI // Instantiate a BMM150 instance using default SPI bus and pin 10 as CS bmm150_context sensor = bmm150_init(BMM150_DEFAULT_SPI_BUS, -1, 10); #else // everything else use I2C by default // Instantiate a BMM150 instance using default i2c bus and address bmm150_context sensor = bmm150_init(BMM150_DEFAULT_I2C_BUS, BMM150_DEFAULT_ADDR, -1); #endif if (!sensor) { printf("bmm150_init() failed.\n"); return 1; } // now output data every 250 milliseconds while (shouldRun) { float x, y, z; if (bmm150_update(sensor)) { printf("bmm150_update() failed\n"); return 1; } bmm150_get_magnetometer(sensor, &x, &y, &z); printf("Magnetometer x: %f y: %f z: %f uT\n", x, y, z); upm_delay_ms(250); } printf("Exiting...\n"); bmm150_close(sensor); //! [Interesting] return 0; }