/* * The MIT License (MIT) * * Author: Assam Boudjelthia * Copyright (c) 2018 Rohm Semiconductor. * * 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 "kxtj3.h" #define SENSOR_ADDR 0x0f #define I2C_BUS 0 #define SAMPLE_COUNT 10 bool isStopped = false; void signal_int_handler(int signo) { if (signo == SIGINT) isStopped = true; } void print_acceleration_data(kxtj3_context dev) { float wait_time = kxtj3_get_acceleration_sampling_period(dev) * SECOND_IN_MICRO_S; uint8_t sample_counter = 0; float x, y, z; while (sample_counter < SAMPLE_COUNT && !isStopped) { kxtj3_get_acceleration_data(dev, &x, &y, &z); printf("%.02f | %.02f | %.02f\n", x, y, z); usleep(wait_time); sample_counter++; } } int main(int argc, char **argv) { signal(SIGINT, signal_int_handler); printf("Sensor init\n"); kxtj3_context dev = kxtj3_init(I2C_BUS, SENSOR_ADDR); if (!dev) { printf("kxtj3_init() failed.\n"); return -1; } printf("Setting settings:\nODR: 25 Hz\nResolution: High\nAcceleration range: 16g with 14bits"); kxtj3_sensor_init(dev, KXTJ3_ODR_25, HIGH_RES, KXTJ3_RANGE_16G_14); printf("Showing acceleration data:\n"); print_acceleration_data(dev); printf("Closing sensor\n"); kxtj3_close(dev); return 0; }